+/* A Bison parser, made by GNU Bison 3.0.5. */
-/* A Bison parser, made from /usr/homes/chet/src/bash/src/parse.y
- by GNU Bison version 1.25
- */
+/* Bison implementation for Yacc-like parsers in C
+
+ Copyright (C) 1984, 1989-1990, 2000-2015, 2018 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* As a special exception, you may create a larger work that contains
+ part or all of the Bison parser skeleton and distribute that work
+ under terms of your choice, so long as that work isn't itself a
+ parser generator using the skeleton or a modified version thereof
+ as a parser skeleton. Alternatively, if you modify or redistribute
+ the parser skeleton itself, you may (at your option) remove this
+ special exception, which will cause the skeleton and the resulting
+ Bison output files to be licensed under the GNU General Public
+ License without this special exception.
+
+ This special exception was added by the Free Software Foundation in
+ version 2.2 of Bison. */
+
+/* C LALR(1) parser skeleton written by Richard Stallman, by
+ simplifying the original so-called "semantic" parser. */
+
+/* All symbols defined below should begin with yy or YY, to avoid
+ infringing on user name space. This should be done even for local
+ variables, as they might otherwise be expanded by user macros.
+ There are some unavoidable exceptions within include files to
+ define necessary library symbols; they are noted "INFRINGES ON
+ USER NAME SPACE" below. */
+
+/* Identify Bison output. */
+#define YYBISON 1
-#define YYBISON 1 /* Identify Bison output. */
-
-#define IF 258
-#define THEN 259
-#define ELSE 260
-#define ELIF 261
-#define FI 262
-#define CASE 263
-#define ESAC 264
-#define FOR 265
-#define SELECT 266
-#define WHILE 267
-#define UNTIL 268
-#define DO 269
-#define DONE 270
-#define FUNCTION 271
-#define COND_START 272
-#define COND_END 273
-#define COND_ERROR 274
-#define IN 275
-#define BANG 276
-#define TIME 277
-#define TIMEOPT 278
-#define WORD 279
-#define ASSIGNMENT_WORD 280
-#define NUMBER 281
-#define ARITH_CMD 282
-#define ARITH_FOR_EXPRS 283
-#define COND_CMD 284
-#define AND_AND 285
-#define OR_OR 286
-#define GREATER_GREATER 287
-#define LESS_LESS 288
-#define LESS_AND 289
-#define GREATER_AND 290
-#define SEMI_SEMI 291
-#define LESS_LESS_MINUS 292
-#define AND_GREATER 293
-#define LESS_GREATER 294
-#define GREATER_BAR 295
-#define yacc_EOF 296
-
-#line 21 "/usr/homes/chet/src/bash/src/parse.y"
+/* Bison version. */
+#define YYBISON_VERSION "3.0.5"
+
+/* Skeleton name. */
+#define YYSKELETON_NAME "yacc.c"
+
+/* Pure parsers. */
+#define YYPURE 0
+
+/* Push parsers. */
+#define YYPUSH 0
+
+/* Pull parsers. */
+#define YYPULL 1
+
+
+
+
+/* Copy the first part of user declarations. */
+#line 21 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:339 */
#include "config.h"
#include "bashtypes.h"
#include "bashansi.h"
+#include "filecntl.h"
+
#if defined (HAVE_UNISTD_H)
# include <unistd.h>
#endif
#endif
#include <stdio.h>
+#include "chartypes.h"
#include <signal.h>
#include "memalloc.h"
+#include "bashintl.h"
+
+#define NEED_STRFTIME_DECL /* used in externs.h */
+
#include "shell.h"
+#include "execute_cmd.h"
+#include "typemax.h" /* SIZE_MAX if needed */
#include "trap.h"
#include "flags.h"
#include "parser.h"
#include "mailcheck.h"
+#include "test.h"
+#include "builtins.h"
#include "builtins/common.h"
#include "builtins/builtext.h"
+#include "shmbutil.h"
+
#if defined (READLINE)
# include "bashline.h"
# include <readline/readline.h>
#if defined (JOB_CONTROL)
# include "jobs.h"
+#else
+extern int cleanup_dead_jobs __P((void));
#endif /* JOB_CONTROL */
#if defined (ALIAS)
# include "alias.h"
+#else
+typedef void *alias_t;
#endif /* ALIAS */
#if defined (PROMPT_STRING_DECODE)
# include <sys/param.h>
# endif
# include <time.h>
+# if defined (TM_IN_SYS_TIME)
+# include <sys/types.h>
+# include <sys/time.h>
+# endif /* TM_IN_SYS_TIME */
# include "maxpath.h"
#endif /* PROMPT_STRING_DECODE */
#define RE_READ_TOKEN -99
#define NO_EXPANSION -100
-#define YYDEBUG 0
+#define END_ALIAS -2
-#if defined (EXTENDED_GLOB)
-#define PATTERN_CHAR(c) \
- ((c) == '@' || (c) == '*' || (c) == '+' || (c) == '?' || (c) == '!')
+#ifdef DEBUG
+# define YYDEBUG 1
+#else
+# define YYDEBUG 0
+#endif
+
+#if defined (HANDLE_MULTIBYTE)
+# define last_shell_getc_is_singlebyte \
+ ((shell_input_line_index > 1) \
+ ? shell_input_line_property[shell_input_line_index - 1] \
+ : 1)
+# define MBTEST(x) ((x) && last_shell_getc_is_singlebyte)
+#else
+# define last_shell_getc_is_singlebyte 1
+# define MBTEST(x) ((x))
+#endif
+#if defined (EXTENDED_GLOB)
extern int extended_glob;
#endif
-extern int eof_encountered;
-extern int no_line_editing, running_under_emacs;
-extern int current_command_number;
-extern int interactive, interactive_shell, login_shell;
-extern int sourcelevel;
-extern int posixly_correct;
-extern int last_command_exit_value;
-extern int interrupt_immediately;
-extern char *shell_name, *current_host_name;
-extern char *dist_version;
-extern int patch_level;
extern int dump_translatable_strings, dump_po_strings;
-extern Function *last_shell_builtin, *this_shell_builtin;
-#if defined (BUFFERED_INPUT)
-extern int bash_input_fd_changed;
-#endif
+#if !defined (errno)
extern int errno;
+#endif
+
/* **************************************************************** */
/* */
/* "Forward" declarations */
/* */
/* **************************************************************** */
-static char *ansiexpand ();
-static char *localeexpand ();
-static int reserved_word_acceptable ();
-static int read_token ();
-static int yylex ();
-static int parse_arith_cmd ();
+#ifdef DEBUG
+static void debug_parser __P((int));
+#endif
+
+static int yy_getc __P((void));
+static int yy_ungetc __P((int));
+
+#if defined (READLINE)
+static int yy_readline_get __P((void));
+static int yy_readline_unget __P((int));
+#endif
+
+static int yy_string_get __P((void));
+static int yy_string_unget __P((int));
+static void rewind_input_string __P((void));
+static int yy_stream_get __P((void));
+static int yy_stream_unget __P((int));
+
+static int shell_getc __P((int));
+static void shell_ungetc __P((int));
+static void discard_until __P((int));
+
+#if defined (ALIAS) || defined (DPAREN_ARITHMETIC)
+static void push_string __P((char *, int, alias_t *));
+static void pop_string __P((void));
+static void free_string_list __P((void));
+#endif
+
+static char *read_a_line __P((int));
+
+static int reserved_word_acceptable __P((int));
+static int yylex __P((void));
+
+static void push_heredoc __P((REDIRECT *));
+static char *mk_alexpansion __P((char *));
+static int alias_expand_token __P((char *));
+static int time_command_acceptable __P((void));
+static int special_case_tokens __P((char *));
+static int read_token __P((int));
+static char *parse_matched_pair __P((int, int, int, int *, int));
+static char *parse_comsub __P((int, int, int, int *, int));
+#if defined (ARRAY_VARS)
+static char *parse_compound_assignment __P((int *));
+#endif
+#if defined (DPAREN_ARITHMETIC) || defined (ARITH_FOR_COMMAND)
+static int parse_dparen __P((int));
+static int parse_arith_cmd __P((char **, int));
+#endif
#if defined (COND_COMMAND)
-static COMMAND *parse_cond_command ();
+static void cond_error __P((void));
+static COND_COM *cond_expr __P((void));
+static COND_COM *cond_or __P((void));
+static COND_COM *cond_and __P((void));
+static COND_COM *cond_term __P((void));
+static int cond_skip_newlines __P((void));
+static COMMAND *parse_cond_command __P((void));
+#endif
+#if defined (ARRAY_VARS)
+static int token_is_assignment __P((char *, int));
+static int token_is_ident __P((char *, int));
#endif
-static int read_token_word ();
-static void discard_parser_constructs ();
+static int read_token_word __P((int));
+static void discard_parser_constructs __P((int));
+
+static char *error_token_from_token __P((int));
+static char *error_token_from_text __P((void));
+static void print_offending_line __P((void));
+static void report_syntax_error __P((char *));
-static void report_syntax_error ();
-static void handle_eof_input_unit ();
-static void prompt_again ();
+static void handle_eof_input_unit __P((void));
+static void prompt_again __P((void));
#if 0
-static void reset_readline_prompt ();
+static void reset_readline_prompt __P((void));
+#endif
+static void print_prompt __P((void));
+
+#if defined (HANDLE_MULTIBYTE)
+static void set_line_mbstate __P((void));
+static char *shell_input_line_property = NULL;
+static size_t shell_input_line_propsize = 0;
+#else
+# define set_line_mbstate()
#endif
-static void print_prompt ();
-extern int yyerror ();
+extern int yyerror __P((const char *));
+
+#ifdef DEBUG
+extern int yydebug;
+#endif
/* Default prompt strings */
char *primary_prompt = PPROMPT;
/* PROMPT_STRING_POINTER points to one of these, never to an actual string. */
char *ps1_prompt, *ps2_prompt;
+/* Displayed after reading a command but before executing it in an interactive shell */
+char *ps0_prompt;
+
/* Handle on the current prompt string. Indirectly points through
ps1_ or ps2_prompt. */
char **prompt_string_pointer = (char **)NULL;
decode_prompt_string. */
int promptvars = 1;
-/* The decoded prompt string. Used if READLINE is not defined or if
- editing is turned off. Analogous to current_readline_prompt. */
-static char *current_decoded_prompt;
+/* If non-zero, $'...' and $"..." are expanded when they appear within
+ a ${...} expansion, even when the expansion appears within double
+ quotes. */
+int extended_quote = 1;
/* The number of lines read from input while creating the current command. */
int current_command_line_count;
+/* The number of lines in a command saved while we run parse_and_execute */
+int saved_command_line_count;
+
+/* The token that currently denotes the end of parse. */
+int shell_eof_token;
+
+/* The token currently being read. */
+int current_token;
+
+/* The current parser state. */
+int parser_state;
+
/* Variables to manage the task of reading here documents, because we need to
defer the reading until after a complete command has been collected. */
-static REDIRECT *redir_stack[10];
+static REDIRECT *redir_stack[HEREDOC_MAX];
int need_here_doc;
/* Where shell input comes from. History expansion is performed on each
line when the shell is interactive. */
static char *shell_input_line = (char *)NULL;
-static int shell_input_line_index;
-static int shell_input_line_size; /* Amount allocated for shell_input_line. */
-static int shell_input_line_len; /* strlen (shell_input_line) */
+static size_t shell_input_line_index;
+static size_t shell_input_line_size; /* Amount allocated for shell_input_line. */
+static size_t shell_input_line_len; /* strlen (shell_input_line) */
/* Either zero or EOF. */
static int shell_input_line_terminator;
/* The line number in a script at which an arithmetic for command starts. */
static int arith_for_lineno;
+/* The decoded prompt string. Used if READLINE is not defined or if
+ editing is turned off. Analogous to current_readline_prompt. */
+static char *current_decoded_prompt;
+
+/* The last read token, or NULL. read_token () uses this for context
+ checking. */
+static int last_read_token;
+
+/* The token read prior to last_read_token. */
+static int token_before_that;
+
+/* The token read prior to token_before_that. */
+static int two_tokens_ago;
+
+static int global_extglob;
+
+/* The line number in a script where the word in a `case WORD', `select WORD'
+ or `for WORD' begins. This is a nested command maximum, since the array
+ index is decremented after a case, select, or for command is parsed. */
+#define MAX_CASE_NEST 128
+static int word_lineno[MAX_CASE_NEST+1];
+static int word_top = -1;
+
+/* If non-zero, it is the token that we want read_token to return
+ regardless of what text is (or isn't) present to be read. This
+ is reset by read_token. If token_to_read == WORD or
+ ASSIGNMENT_WORD, yylval.word should be set to word_desc_to_read. */
+static int token_to_read;
+static WORD_DESC *word_desc_to_read;
+
+static REDIRECTEE source;
static REDIRECTEE redir;
-#line 187 "/usr/homes/chet/src/bash/src/parse.y"
-typedef union {
+static FILE *yyoutstream;
+static FILE *yyerrstream;
+
+#line 373 "y.tab.c" /* yacc.c:339 */
+
+# ifndef YY_NULLPTR
+# if defined __cplusplus && 201103L <= __cplusplus
+# define YY_NULLPTR nullptr
+# else
+# define YY_NULLPTR 0
+# endif
+# endif
+
+/* Enabling verbose error messages. */
+#ifdef YYERROR_VERBOSE
+# undef YYERROR_VERBOSE
+# define YYERROR_VERBOSE 1
+#else
+# define YYERROR_VERBOSE 0
+#endif
+
+/* In a future release of Bison, this section will be replaced
+ by #include "y.tab.h". */
+#ifndef YY_YY_Y_TAB_H_INCLUDED
+# define YY_YY_Y_TAB_H_INCLUDED
+/* Debug traces. */
+#ifndef YYDEBUG
+# define YYDEBUG 0
+#endif
+#if YYDEBUG
+extern int yydebug;
+#endif
+
+/* Token type. */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+ enum yytokentype
+ {
+ IF = 258,
+ THEN = 259,
+ ELSE = 260,
+ ELIF = 261,
+ FI = 262,
+ CASE = 263,
+ ESAC = 264,
+ FOR = 265,
+ SELECT = 266,
+ WHILE = 267,
+ UNTIL = 268,
+ DO = 269,
+ DONE = 270,
+ FUNCTION = 271,
+ COPROC = 272,
+ COND_START = 273,
+ COND_END = 274,
+ COND_ERROR = 275,
+ IN = 276,
+ BANG = 277,
+ TIME = 278,
+ TIMEOPT = 279,
+ TIMEIGN = 280,
+ WORD = 281,
+ ASSIGNMENT_WORD = 282,
+ REDIR_WORD = 283,
+ NUMBER = 284,
+ ARITH_CMD = 285,
+ ARITH_FOR_EXPRS = 286,
+ COND_CMD = 287,
+ AND_AND = 288,
+ OR_OR = 289,
+ GREATER_GREATER = 290,
+ LESS_LESS = 291,
+ LESS_AND = 292,
+ LESS_LESS_LESS = 293,
+ GREATER_AND = 294,
+ SEMI_SEMI = 295,
+ SEMI_AND = 296,
+ SEMI_SEMI_AND = 297,
+ LESS_LESS_MINUS = 298,
+ AND_GREATER = 299,
+ AND_GREATER_GREATER = 300,
+ LESS_GREATER = 301,
+ GREATER_BAR = 302,
+ BAR_AND = 303,
+ yacc_EOF = 304
+ };
+#endif
+/* Tokens. */
+#define IF 258
+#define THEN 259
+#define ELSE 260
+#define ELIF 261
+#define FI 262
+#define CASE 263
+#define ESAC 264
+#define FOR 265
+#define SELECT 266
+#define WHILE 267
+#define UNTIL 268
+#define DO 269
+#define DONE 270
+#define FUNCTION 271
+#define COPROC 272
+#define COND_START 273
+#define COND_END 274
+#define COND_ERROR 275
+#define IN 276
+#define BANG 277
+#define TIME 278
+#define TIMEOPT 279
+#define TIMEIGN 280
+#define WORD 281
+#define ASSIGNMENT_WORD 282
+#define REDIR_WORD 283
+#define NUMBER 284
+#define ARITH_CMD 285
+#define ARITH_FOR_EXPRS 286
+#define COND_CMD 287
+#define AND_AND 288
+#define OR_OR 289
+#define GREATER_GREATER 290
+#define LESS_LESS 291
+#define LESS_AND 292
+#define LESS_LESS_LESS 293
+#define GREATER_AND 294
+#define SEMI_SEMI 295
+#define SEMI_AND 296
+#define SEMI_SEMI_AND 297
+#define LESS_LESS_MINUS 298
+#define AND_GREATER 299
+#define AND_GREATER_GREATER 300
+#define LESS_GREATER 301
+#define GREATER_BAR 302
+#define BAR_AND 303
+#define yacc_EOF 304
+
+/* Value type. */
+#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
+
+union YYSTYPE
+{
+#line 328 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:355 */
+
WORD_DESC *word; /* the word that we read. */
int number; /* the number that we read. */
WORD_LIST *word_list;
REDIRECT *redirect;
ELEMENT element;
PATTERN_LIST *pattern;
-} YYSTYPE;
-#include <stdio.h>
-#ifndef __cplusplus
-#ifndef __STDC__
-#define const
+#line 521 "y.tab.c" /* yacc.c:355 */
+};
+
+typedef union YYSTYPE YYSTYPE;
+# define YYSTYPE_IS_TRIVIAL 1
+# define YYSTYPE_IS_DECLARED 1
+#endif
+
+
+extern YYSTYPE yylval;
+
+int yyparse (void);
+
+#endif /* !YY_YY_Y_TAB_H_INCLUDED */
+
+/* Copy the second part of user declarations. */
+
+#line 538 "y.tab.c" /* yacc.c:358 */
+
+#ifdef short
+# undef short
+#endif
+
+#ifdef YYTYPE_UINT8
+typedef YYTYPE_UINT8 yytype_uint8;
+#else
+typedef unsigned char yytype_uint8;
#endif
+
+#ifdef YYTYPE_INT8
+typedef YYTYPE_INT8 yytype_int8;
+#else
+typedef signed char yytype_int8;
#endif
+#ifdef YYTYPE_UINT16
+typedef YYTYPE_UINT16 yytype_uint16;
+#else
+typedef unsigned short int yytype_uint16;
+#endif
+#ifdef YYTYPE_INT16
+typedef YYTYPE_INT16 yytype_int16;
+#else
+typedef short int yytype_int16;
+#endif
-#define YYFINAL 279
-#define YYFLAG -32768
-#define YYNTBASE 53
-
-#define YYTRANSLATE(x) ((unsigned)(x) <= 296 ? yytranslate[x] : 87)
-
-static const char yytranslate[] = { 0,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 43,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 41, 2, 51,
- 52, 2, 2, 2, 48, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 42, 47,
- 2, 46, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 49, 45, 50, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 1, 2, 3, 4, 5,
- 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
- 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
- 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
- 36, 37, 38, 39, 40, 44
-};
+#ifndef YYSIZE_T
+# ifdef __SIZE_TYPE__
+# define YYSIZE_T __SIZE_TYPE__
+# elif defined size_t
+# define YYSIZE_T size_t
+# elif ! defined YYSIZE_T
+# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
+# define YYSIZE_T size_t
+# else
+# define YYSIZE_T unsigned int
+# endif
+#endif
-#if YYDEBUG != 0
-static const short yyprhs[] = { 0,
- 0, 3, 5, 8, 10, 12, 15, 18, 21, 25,
- 29, 32, 36, 39, 43, 46, 50, 53, 57, 60,
- 64, 67, 71, 74, 78, 81, 85, 88, 92, 95,
- 99, 102, 105, 109, 111, 113, 115, 117, 120, 122,
- 125, 127, 129, 132, 134, 136, 142, 148, 150, 152,
- 154, 156, 158, 160, 162, 164, 171, 178, 186, 194,
- 205, 216, 224, 232, 239, 246, 254, 262, 273, 284,
- 291, 299, 306, 312, 319, 324, 328, 334, 342, 349,
- 353, 355, 359, 364, 371, 377, 379, 382, 387, 392,
- 398, 404, 407, 411, 413, 417, 420, 422, 425, 429,
- 433, 437, 442, 447, 452, 457, 462, 464, 466, 468,
- 470, 471, 474, 476, 479, 482, 487, 492, 496, 500,
- 502, 504, 507, 510, 514, 518, 523, 525, 527
-};
+#define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
-static const short yyrhs[] = { 82,
- 43, 0, 43, 0, 1, 43, 0, 44, 0, 24,
- 0, 54, 24, 0, 46, 24, 0, 47, 24, 0,
- 26, 46, 24, 0, 26, 47, 24, 0, 32, 24,
- 0, 26, 32, 24, 0, 33, 24, 0, 26, 33,
- 24, 0, 34, 26, 0, 26, 34, 26, 0, 35,
- 26, 0, 26, 35, 26, 0, 34, 24, 0, 26,
- 34, 24, 0, 35, 24, 0, 26, 35, 24, 0,
- 37, 24, 0, 26, 37, 24, 0, 35, 48, 0,
- 26, 35, 48, 0, 34, 48, 0, 26, 34, 48,
- 0, 38, 24, 0, 26, 39, 24, 0, 39, 24,
- 0, 40, 24, 0, 26, 40, 24, 0, 24, 0,
- 25, 0, 55, 0, 55, 0, 57, 55, 0, 56,
- 0, 58, 56, 0, 58, 0, 60, 0, 60, 57,
- 0, 61, 0, 64, 0, 12, 77, 14, 77, 15,
- 0, 13, 77, 14, 77, 15, 0, 63, 0, 67,
- 0, 66, 0, 68, 0, 69, 0, 70, 0, 62,
- 0, 65, 0, 10, 24, 81, 14, 77, 15, 0,
- 10, 24, 81, 49, 77, 50, 0, 10, 24, 42,
- 81, 14, 77, 15, 0, 10, 24, 42, 81, 49,
- 77, 50, 0, 10, 24, 81, 20, 54, 80, 81,
- 14, 77, 15, 0, 10, 24, 81, 20, 54, 80,
- 81, 49, 77, 50, 0, 10, 28, 80, 81, 14,
- 77, 15, 0, 10, 28, 80, 81, 49, 77, 50,
- 0, 11, 24, 81, 14, 76, 15, 0, 11, 24,
- 81, 49, 76, 50, 0, 11, 24, 42, 81, 14,
- 76, 15, 0, 11, 24, 42, 81, 49, 76, 50,
- 0, 11, 24, 81, 20, 54, 80, 81, 14, 76,
- 15, 0, 11, 24, 81, 20, 54, 80, 81, 49,
- 76, 50, 0, 8, 24, 81, 20, 81, 9, 0,
- 8, 24, 81, 20, 74, 81, 9, 0, 8, 24,
- 81, 20, 72, 9, 0, 24, 51, 52, 81, 68,
- 0, 16, 24, 51, 52, 81, 68, 0, 16, 24,
- 81, 68, 0, 51, 77, 52, 0, 3, 77, 4,
- 77, 7, 0, 3, 77, 4, 77, 5, 77, 7,
- 0, 3, 77, 4, 77, 71, 7, 0, 49, 76,
- 50, 0, 27, 0, 17, 29, 18, 0, 6, 77,
- 4, 77, 0, 6, 77, 4, 77, 5, 77, 0,
- 6, 77, 4, 77, 71, 0, 73, 0, 74, 73,
- 0, 81, 75, 52, 77, 0, 81, 75, 52, 81,
- 0, 81, 51, 75, 52, 77, 0, 81, 51, 75,
- 52, 81, 0, 73, 36, 0, 74, 73, 36, 0,
- 24, 0, 75, 45, 24, 0, 81, 78, 0, 76,
- 0, 81, 79, 0, 79, 43, 81, 0, 79, 41,
- 81, 0, 79, 42, 81, 0, 79, 30, 81, 79,
- 0, 79, 31, 81, 79, 0, 79, 41, 81, 79,
- 0, 79, 42, 81, 79, 0, 79, 43, 81, 79,
- 0, 84, 0, 43, 0, 42, 0, 44, 0, 0,
- 81, 43, 0, 83, 0, 83, 41, 0, 83, 42,
- 0, 83, 30, 81, 83, 0, 83, 31, 81, 83,
- 0, 83, 41, 83, 0, 83, 42, 83, 0, 84,
- 0, 85, 0, 21, 85, 0, 86, 85, 0, 86,
- 21, 85, 0, 21, 86, 85, 0, 85, 45, 81,
- 85, 0, 59, 0, 22, 0, 22, 23, 0
-};
+#ifndef YY_
+# if defined YYENABLE_NLS && YYENABLE_NLS
+# if ENABLE_NLS
+# include <libintl.h> /* INFRINGES ON USER NAME SPACE */
+# define YY_(Msgid) dgettext ("bison-runtime", Msgid)
+# endif
+# endif
+# ifndef YY_
+# define YY_(Msgid) Msgid
+# endif
+#endif
+#ifndef YY_ATTRIBUTE
+# if (defined __GNUC__ \
+ && (2 < __GNUC__ || (__GNUC__ == 2 && 96 <= __GNUC_MINOR__))) \
+ || defined __SUNPRO_C && 0x5110 <= __SUNPRO_C
+# define YY_ATTRIBUTE(Spec) __attribute__(Spec)
+# else
+# define YY_ATTRIBUTE(Spec) /* empty */
+# endif
#endif
-#if YYDEBUG != 0
-static const short yyrline[] = { 0,
- 237, 246, 253, 268, 278, 280, 284, 289, 294, 299,
- 304, 309, 314, 320, 326, 331, 336, 341, 346, 351,
- 356, 361, 366, 373, 380, 385, 390, 395, 400, 405,
- 410, 415, 420, 427, 429, 431, 435, 439, 450, 452,
- 456, 458, 460, 497, 499, 501, 503, 505, 507, 509,
- 511, 513, 515, 517, 519, 523, 525, 527, 529, 531,
- 533, 537, 539, 542, 546, 550, 554, 558, 562, 568,
- 570, 572, 576, 580, 583, 587, 594, 596, 598, 603,
- 607, 611, 615, 617, 619, 623, 624, 628, 630, 632,
- 634, 638, 639, 643, 645, 654, 662, 663, 669, 670,
- 677, 681, 683, 685, 692, 694, 696, 700, 701, 702,
- 705, 706, 715, 721, 730, 738, 740, 742, 749, 752,
- 756, 758, 763, 768, 773, 780, 783, 787, 789
-};
+#ifndef YY_ATTRIBUTE_PURE
+# define YY_ATTRIBUTE_PURE YY_ATTRIBUTE ((__pure__))
#endif
+#ifndef YY_ATTRIBUTE_UNUSED
+# define YY_ATTRIBUTE_UNUSED YY_ATTRIBUTE ((__unused__))
+#endif
+
+#if !defined _Noreturn \
+ && (!defined __STDC_VERSION__ || __STDC_VERSION__ < 201112)
+# if defined _MSC_VER && 1200 <= _MSC_VER
+# define _Noreturn __declspec (noreturn)
+# else
+# define _Noreturn YY_ATTRIBUTE ((__noreturn__))
+# endif
+#endif
+
+/* Suppress unused-variable warnings by "using" E. */
+#if ! defined lint || defined __GNUC__
+# define YYUSE(E) ((void) (E))
+#else
+# define YYUSE(E) /* empty */
+#endif
+
+#if defined __GNUC__ && 407 <= __GNUC__ * 100 + __GNUC_MINOR__
+/* Suppress an incorrect diagnostic about yylval being uninitialized. */
+# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \
+ _Pragma ("GCC diagnostic push") \
+ _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")\
+ _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"")
+# define YY_IGNORE_MAYBE_UNINITIALIZED_END \
+ _Pragma ("GCC diagnostic pop")
+#else
+# define YY_INITIAL_VALUE(Value) Value
+#endif
+#ifndef YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+# define YY_IGNORE_MAYBE_UNINITIALIZED_END
+#endif
+#ifndef YY_INITIAL_VALUE
+# define YY_INITIAL_VALUE(Value) /* Nothing. */
+#endif
+
+
+#if ! defined yyoverflow || YYERROR_VERBOSE
+
+/* The parser invokes alloca or malloc; define the necessary symbols. */
+
+# ifdef YYSTACK_USE_ALLOCA
+# if YYSTACK_USE_ALLOCA
+# ifdef __GNUC__
+# define YYSTACK_ALLOC __builtin_alloca
+# elif defined __BUILTIN_VA_ARG_INCR
+# include <alloca.h> /* INFRINGES ON USER NAME SPACE */
+# elif defined _AIX
+# define YYSTACK_ALLOC __alloca
+# elif defined _MSC_VER
+# include <malloc.h> /* INFRINGES ON USER NAME SPACE */
+# define alloca _alloca
+# else
+# define YYSTACK_ALLOC alloca
+# if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS
+# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+ /* Use EXIT_SUCCESS as a witness for stdlib.h. */
+# ifndef EXIT_SUCCESS
+# define EXIT_SUCCESS 0
+# endif
+# endif
+# endif
+# endif
+# endif
+
+# ifdef YYSTACK_ALLOC
+ /* Pacify GCC's 'empty if-body' warning. */
+# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
+# ifndef YYSTACK_ALLOC_MAXIMUM
+ /* The OS might guarantee only one guard page at the bottom of the stack,
+ and a page size can be as small as 4096 bytes. So we cannot safely
+ invoke alloca (N) if N exceeds 4096. Use a slightly smaller number
+ to allow for a few compiler-allocated temporary stack slots. */
+# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
+# endif
+# else
+# define YYSTACK_ALLOC YYMALLOC
+# define YYSTACK_FREE YYFREE
+# ifndef YYSTACK_ALLOC_MAXIMUM
+# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
+# endif
+# if (defined __cplusplus && ! defined EXIT_SUCCESS \
+ && ! ((defined YYMALLOC || defined malloc) \
+ && (defined YYFREE || defined free)))
+# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+# ifndef EXIT_SUCCESS
+# define EXIT_SUCCESS 0
+# endif
+# endif
+# ifndef YYMALLOC
+# define YYMALLOC malloc
+# if ! defined malloc && ! defined EXIT_SUCCESS
+void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
+# endif
+# endif
+# ifndef YYFREE
+# define YYFREE free
+# if ! defined free && ! defined EXIT_SUCCESS
+void free (void *); /* INFRINGES ON USER NAME SPACE */
+# endif
+# endif
+# endif
+#endif /* ! defined yyoverflow || YYERROR_VERBOSE */
+
-#if YYDEBUG != 0 || defined (YYERROR_VERBOSE)
-
-static const char * const yytname[] = { "$","error","$undefined.","IF","THEN",
-"ELSE","ELIF","FI","CASE","ESAC","FOR","SELECT","WHILE","UNTIL","DO","DONE",
-"FUNCTION","COND_START","COND_END","COND_ERROR","IN","BANG","TIME","TIMEOPT",
-"WORD","ASSIGNMENT_WORD","NUMBER","ARITH_CMD","ARITH_FOR_EXPRS","COND_CMD","AND_AND",
-"OR_OR","GREATER_GREATER","LESS_LESS","LESS_AND","GREATER_AND","SEMI_SEMI","LESS_LESS_MINUS",
-"AND_GREATER","LESS_GREATER","GREATER_BAR","'&'","';'","'\\n'","yacc_EOF","'|'",
-"'>'","'<'","'-'","'{'","'}'","'('","')'","inputunit","word_list","redirection",
-"simple_command_element","redirection_list","simple_command","command","shell_command",
-"for_command","arith_for_command","select_command","case_command","function_def",
-"subshell","if_command","group_command","arith_command","cond_command","elif_clause",
-"case_clause","pattern_list","case_clause_sequence","pattern","list","compound_list",
-"list0","list1","list_terminator","newline_list","simple_list","simple_list1",
-"pipeline_command","pipeline","timespec", NULL
+#if (! defined yyoverflow \
+ && (! defined __cplusplus \
+ || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
+
+/* A type that is properly aligned for any stack member. */
+union yyalloc
+{
+ yytype_int16 yyss_alloc;
+ YYSTYPE yyvs_alloc;
};
+
+/* The size of the maximum gap between one aligned stack and the next. */
+# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
+
+/* The size of an array large to enough to hold all stacks, each with
+ N elements. */
+# define YYSTACK_BYTES(N) \
+ ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \
+ + YYSTACK_GAP_MAXIMUM)
+
+# define YYCOPY_NEEDED 1
+
+/* Relocate STACK from its old location to the new one. The
+ local variables YYSIZE and YYSTACKSIZE give the old and new number of
+ elements in the stack, and YYPTR gives the new location of the
+ stack. Advance YYPTR to a properly aligned location for the next
+ stack. */
+# define YYSTACK_RELOCATE(Stack_alloc, Stack) \
+ do \
+ { \
+ YYSIZE_T yynewbytes; \
+ YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \
+ Stack = &yyptr->Stack_alloc; \
+ yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
+ yyptr += yynewbytes / sizeof (*yyptr); \
+ } \
+ while (0)
+
#endif
-static const short yyr1[] = { 0,
- 53, 53, 53, 53, 54, 54, 55, 55, 55, 55,
- 55, 55, 55, 55, 55, 55, 55, 55, 55, 55,
- 55, 55, 55, 55, 55, 55, 55, 55, 55, 55,
- 55, 55, 55, 56, 56, 56, 57, 57, 58, 58,
- 59, 59, 59, 60, 60, 60, 60, 60, 60, 60,
- 60, 60, 60, 60, 60, 61, 61, 61, 61, 61,
- 61, 62, 62, 63, 63, 63, 63, 63, 63, 64,
- 64, 64, 65, 65, 65, 66, 67, 67, 67, 68,
- 69, 70, 71, 71, 71, 72, 72, 73, 73, 73,
- 73, 74, 74, 75, 75, 76, 77, 77, 78, 78,
- 78, 79, 79, 79, 79, 79, 79, 80, 80, 80,
- 81, 81, 82, 82, 82, 83, 83, 83, 83, 83,
- 84, 84, 84, 84, 84, 85, 85, 86, 86
+#if defined YYCOPY_NEEDED && YYCOPY_NEEDED
+/* Copy COUNT objects from SRC to DST. The source and destination do
+ not overlap. */
+# ifndef YYCOPY
+# if defined __GNUC__ && 1 < __GNUC__
+# define YYCOPY(Dst, Src, Count) \
+ __builtin_memcpy (Dst, Src, (Count) * sizeof (*(Src)))
+# else
+# define YYCOPY(Dst, Src, Count) \
+ do \
+ { \
+ YYSIZE_T yyi; \
+ for (yyi = 0; yyi < (Count); yyi++) \
+ (Dst)[yyi] = (Src)[yyi]; \
+ } \
+ while (0)
+# endif
+# endif
+#endif /* !YYCOPY_NEEDED */
+
+/* YYFINAL -- State number of the termination state. */
+#define YYFINAL 117
+/* YYLAST -- Last index in YYTABLE. */
+#define YYLAST 669
+
+/* YYNTOKENS -- Number of terminals. */
+#define YYNTOKENS 61
+/* YYNNTS -- Number of nonterminals. */
+#define YYNNTS 38
+/* YYNRULES -- Number of rules. */
+#define YYNRULES 170
+/* YYNSTATES -- Number of states. */
+#define YYNSTATES 343
+
+/* YYTRANSLATE[YYX] -- Symbol number corresponding to YYX as returned
+ by yylex, with out-of-bounds checking. */
+#define YYUNDEFTOK 2
+#define YYMAXUTOK 304
+
+#define YYTRANSLATE(YYX) \
+ ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
+
+/* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM
+ as returned by yylex, without out-of-bounds checking. */
+static const yytype_uint8 yytranslate[] =
+{
+ 0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 51, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 49, 2,
+ 59, 60, 2, 2, 2, 56, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 50,
+ 55, 2, 54, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 57, 53, 58, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 1, 2, 3, 4,
+ 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
+ 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
+ 25, 26, 27, 28, 29, 30, 31, 32, 33, 34,
+ 35, 36, 37, 38, 39, 40, 41, 42, 43, 44,
+ 45, 46, 47, 48, 52
};
-static const short yyr2[] = { 0,
- 2, 1, 2, 1, 1, 2, 2, 2, 3, 3,
- 2, 3, 2, 3, 2, 3, 2, 3, 2, 3,
- 2, 3, 2, 3, 2, 3, 2, 3, 2, 3,
- 2, 2, 3, 1, 1, 1, 1, 2, 1, 2,
- 1, 1, 2, 1, 1, 5, 5, 1, 1, 1,
- 1, 1, 1, 1, 1, 6, 6, 7, 7, 10,
- 10, 7, 7, 6, 6, 7, 7, 10, 10, 6,
- 7, 6, 5, 6, 4, 3, 5, 7, 6, 3,
- 1, 3, 4, 6, 5, 1, 2, 4, 4, 5,
- 5, 2, 3, 1, 3, 2, 1, 2, 3, 3,
- 3, 4, 4, 4, 4, 4, 1, 1, 1, 1,
- 0, 2, 1, 2, 2, 4, 4, 3, 3, 1,
- 1, 2, 2, 3, 3, 4, 1, 1, 2
+#if YYDEBUG
+ /* YYRLINE[YYN] -- Source line where rule number YYN was defined. */
+static const yytype_uint16 yyrline[] =
+{
+ 0, 381, 381, 392, 401, 416, 433, 443, 445, 449,
+ 455, 461, 467, 473, 479, 485, 491, 497, 503, 509,
+ 515, 521, 527, 533, 539, 546, 553, 560, 567, 574,
+ 581, 587, 593, 599, 605, 611, 617, 623, 629, 635,
+ 641, 647, 653, 659, 665, 671, 677, 683, 689, 695,
+ 701, 707, 713, 721, 723, 725, 729, 733, 744, 746,
+ 750, 752, 754, 770, 772, 776, 778, 780, 782, 784,
+ 786, 788, 790, 792, 794, 796, 800, 805, 810, 815,
+ 820, 825, 830, 835, 842, 848, 854, 860, 868, 873,
+ 878, 883, 888, 893, 898, 903, 910, 915, 920, 927,
+ 930, 933, 937, 939, 970, 977, 982, 999, 1004, 1021,
+ 1028, 1030, 1032, 1037, 1041, 1045, 1049, 1051, 1053, 1057,
+ 1058, 1062, 1064, 1066, 1068, 1072, 1074, 1076, 1078, 1080,
+ 1082, 1086, 1088, 1097, 1105, 1106, 1112, 1113, 1120, 1124,
+ 1126, 1128, 1135, 1137, 1139, 1143, 1144, 1147, 1149, 1151,
+ 1155, 1156, 1165, 1178, 1194, 1209, 1211, 1213, 1220, 1223,
+ 1227, 1229, 1235, 1241, 1261, 1284, 1286, 1309, 1313, 1315,
+ 1317
};
+#endif
-static const short yydefact[] = { 0,
- 0, 111, 0, 0, 0, 111, 111, 0, 0, 0,
- 128, 34, 35, 0, 81, 0, 0, 0, 0, 0,
- 0, 0, 0, 2, 4, 0, 0, 111, 111, 36,
- 39, 41, 127, 42, 44, 54, 48, 45, 55, 50,
- 49, 51, 52, 53, 0, 113, 120, 121, 0, 3,
- 97, 0, 0, 111, 111, 0, 111, 0, 0, 111,
- 0, 122, 0, 129, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 11, 13, 19, 15, 27, 21,
- 17, 25, 23, 29, 31, 32, 7, 8, 0, 0,
- 0, 34, 40, 37, 43, 1, 111, 111, 114, 115,
- 111, 0, 123, 111, 112, 96, 98, 107, 0, 111,
- 0, 109, 108, 110, 111, 111, 0, 111, 111, 0,
- 0, 82, 125, 111, 12, 14, 20, 16, 28, 22,
- 18, 26, 24, 30, 33, 9, 10, 80, 0, 76,
- 38, 0, 0, 118, 119, 0, 124, 0, 111, 111,
- 111, 111, 111, 111, 0, 111, 0, 111, 0, 0,
- 111, 0, 111, 0, 0, 111, 75, 0, 116, 117,
- 0, 0, 126, 111, 111, 77, 0, 0, 0, 100,
- 101, 99, 0, 86, 111, 0, 111, 111, 0, 5,
- 0, 0, 111, 111, 111, 111, 0, 0, 0, 46,
- 47, 0, 73, 0, 0, 79, 102, 103, 104, 105,
- 106, 72, 92, 87, 0, 70, 94, 0, 0, 0,
- 0, 56, 6, 111, 57, 0, 0, 0, 0, 64,
- 111, 65, 74, 78, 111, 111, 111, 111, 93, 71,
- 0, 0, 111, 58, 59, 0, 62, 63, 66, 67,
- 0, 83, 0, 0, 0, 111, 95, 88, 89, 111,
- 111, 111, 111, 111, 85, 90, 91, 0, 0, 0,
- 0, 84, 60, 61, 68, 69, 0, 0, 0
+#if YYDEBUG || YYERROR_VERBOSE || 0
+/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
+ First, the terminals, then, starting at YYNTOKENS, nonterminals. */
+static const char *const yytname[] =
+{
+ "$end", "error", "$undefined", "IF", "THEN", "ELSE", "ELIF", "FI",
+ "CASE", "ESAC", "FOR", "SELECT", "WHILE", "UNTIL", "DO", "DONE",
+ "FUNCTION", "COPROC", "COND_START", "COND_END", "COND_ERROR", "IN",
+ "BANG", "TIME", "TIMEOPT", "TIMEIGN", "WORD", "ASSIGNMENT_WORD",
+ "REDIR_WORD", "NUMBER", "ARITH_CMD", "ARITH_FOR_EXPRS", "COND_CMD",
+ "AND_AND", "OR_OR", "GREATER_GREATER", "LESS_LESS", "LESS_AND",
+ "LESS_LESS_LESS", "GREATER_AND", "SEMI_SEMI", "SEMI_AND",
+ "SEMI_SEMI_AND", "LESS_LESS_MINUS", "AND_GREATER", "AND_GREATER_GREATER",
+ "LESS_GREATER", "GREATER_BAR", "BAR_AND", "'&'", "';'", "'\\n'",
+ "yacc_EOF", "'|'", "'>'", "'<'", "'-'", "'{'", "'}'", "'('", "')'",
+ "$accept", "inputunit", "word_list", "redirection",
+ "simple_command_element", "redirection_list", "simple_command",
+ "command", "shell_command", "for_command", "arith_for_command",
+ "select_command", "case_command", "function_def", "function_body",
+ "subshell", "coproc", "if_command", "group_command", "arith_command",
+ "cond_command", "elif_clause", "case_clause", "pattern_list",
+ "case_clause_sequence", "pattern", "list", "compound_list", "list0",
+ "list1", "simple_list_terminator", "list_terminator", "newline_list",
+ "simple_list", "simple_list1", "pipeline_command", "pipeline",
+ "timespec", YY_NULLPTR
};
+#endif
-static const short yydefgoto[] = { 277,
- 191, 30, 31, 95, 32, 33, 34, 35, 36, 37,
- 38, 39, 40, 41, 42, 43, 44, 177, 183, 184,
- 185, 219, 51, 52, 106, 107, 115, 53, 45, 144,
- 108, 48, 49
+# ifdef YYPRINT
+/* YYTOKNUM[NUM] -- (External) token number corresponding to the
+ (internal) symbol number NUM (which must be that of a token). */
+static const yytype_uint16 yytoknum[] =
+{
+ 0, 256, 257, 258, 259, 260, 261, 262, 263, 264,
+ 265, 266, 267, 268, 269, 270, 271, 272, 273, 274,
+ 275, 276, 277, 278, 279, 280, 281, 282, 283, 284,
+ 285, 286, 287, 288, 289, 290, 291, 292, 293, 294,
+ 295, 296, 297, 298, 299, 300, 301, 302, 303, 38,
+ 59, 10, 304, 124, 62, 60, 45, 123, 125, 40,
+ 41
};
+# endif
+
+#define YYPACT_NINF -204
-static const short yypact[] = { 256,
- -9,-32768, 28, 54, 31,-32768,-32768, 38, -14, 382,
- 49, 24,-32768, 188,-32768, 41, 56, 35, 42, 61,
- 73, 75, 100,-32768,-32768, 111, 112,-32768,-32768,-32768,
--32768, 171,-32768, 530,-32768,-32768,-32768,-32768,-32768,-32768,
--32768,-32768,-32768,-32768, 95, 124,-32768, 59, 424,-32768,
--32768, 136, 298,-32768, 104, 64, 107, 137, 142, 106,
- 140, 59, 508,-32768, 108, 135, 138, 45, 55, 139,
- 143, 146, 154, 155,-32768,-32768,-32768,-32768,-32768,-32768,
--32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768, 114, 298,
- 131,-32768,-32768,-32768, 530,-32768,-32768,-32768, 340, 340,
--32768, 508, 59,-32768,-32768,-32768, 80,-32768, -8,-32768,
- -4,-32768,-32768,-32768,-32768,-32768, -1,-32768,-32768, 132,
- -11,-32768, 59,-32768,-32768,-32768,-32768,-32768,-32768,-32768,
--32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768, 80,-32768,
--32768, 298, 298, 89, 89, 466, 59, 82,-32768,-32768,
--32768,-32768,-32768,-32768, -3,-32768, 156,-32768, 4, 11,
--32768, 156,-32768, 170, 177,-32768,-32768, -11,-32768,-32768,
- 340, 340, 59,-32768,-32768,-32768, 179, 298, 298, 298,
- 298, 298, 184, 158,-32768, -2,-32768,-32768, 183,-32768,
- 52, 149,-32768,-32768,-32768,-32768, 186, 52, 152,-32768,
--32768, -11,-32768, 208, 212,-32768,-32768,-32768, 101, 101,
- 101,-32768,-32768, 190, 0,-32768,-32768, 200, -31, 215,
- 181,-32768,-32768,-32768,-32768, 218, 191, 221, 194,-32768,
--32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,
- -25, 216,-32768,-32768,-32768, 14,-32768,-32768,-32768,-32768,
- 15, 128, 298, 298, 298,-32768,-32768,-32768, 298,-32768,
--32768,-32768,-32768,-32768,-32768,-32768, 298, 230, 196, 232,
- 198,-32768,-32768,-32768,-32768,-32768, 249, 251,-32768
+#define yypact_value_is_default(Yystate) \
+ (!!((Yystate) == (-204)))
+
+#define YYTABLE_NINF -1
+
+#define yytable_value_is_error(Yytable_value) \
+ 0
+
+ /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
+ STATE-NUM. */
+static const yytype_int16 yypact[] =
+{
+ 306, -13, -204, -14, 68, 5, -204, -204, 22, 556,
+ -12, 356, 21, 4, -204, 601, 614, -204, 43, 58,
+ 139, 60, 143, 79, 90, 98, 100, 102, -204, -204,
+ 104, 111, -204, -204, 154, -204, -204, 234, -204, 588,
+ -204, -204, -204, -204, -204, -204, -204, -204, -204, -204,
+ -204, 70, 192, -204, 65, 356, -204, -204, -204, 135,
+ 406, -204, 93, 23, 107, 153, 162, 124, 99, 234,
+ 588, 167, -204, -204, -204, -204, -204, 165, 133, 178,
+ 206, 144, 210, 145, 213, 225, 229, 232, 233, 238,
+ 239, 149, 241, 156, 242, 250, 256, 257, 258, -204,
+ -204, -204, -204, -204, -204, -204, -204, -204, -204, -204,
+ -204, -204, -204, -204, -204, 169, 170, -204, -204, -204,
+ -204, 588, -204, -204, -204, -204, -204, 456, 456, -204,
+ -204, -204, -204, -204, -204, -204, 184, -204, -10, -204,
+ 7, -204, -204, -204, -204, 19, -204, -204, 226, 41,
+ 588, 588, -204, -204, -204, -204, -204, -204, -204, -204,
+ -204, -204, -204, -204, -204, -204, -204, -204, -204, -204,
+ -204, -204, -204, -204, -204, -204, -204, -204, -204, -204,
+ -204, -204, -204, -204, -204, -204, 406, 406, 147, 147,
+ 506, 506, 201, -204, -204, -204, -204, -204, -204, 11,
+ -204, 82, -204, 270, 235, 32, 36, -204, 82, -204,
+ 275, 276, -204, 588, -204, 588, 41, -204, -204, 65,
+ 65, -204, -204, -204, 285, 406, 406, 406, 406, 406,
+ 286, 204, -204, -4, -204, -204, 281, -204, 137, -204,
+ 243, -204, -204, -204, -204, -204, -204, 282, 406, 137,
+ -204, 244, -204, -204, 41, 588, -204, 293, 299, -204,
+ -204, -204, 180, 180, 180, -204, -204, -204, -204, 208,
+ 6, -204, -204, 278, -30, 295, 253, -204, -204, -204,
+ 46, -204, 300, 263, 310, 268, -204, 184, -204, 74,
+ -204, -204, -204, -204, -204, -204, -204, -204, -24, 301,
+ -204, -204, -204, 87, -204, -204, -204, -204, -204, -204,
+ 109, -204, -204, 248, -204, -204, -204, 406, -204, -204,
+ 315, 273, -204, -204, 322, 280, -204, -204, -204, 406,
+ 324, 288, -204, -204, 325, 289, -204, -204, -204, -204,
+ -204, -204, -204
};
-static const short yypgoto[] = {-32768,
- 90, -28, 224,-32768,-32768,-32768,-32768,-32768,-32768,-32768,
--32768,-32768,-32768,-32768, -118,-32768,-32768, 1,-32768, 76,
--32768, 44, -20, -6,-32768, -64, -154, -24,-32768, 5,
- 2, 7, 250
+ /* YYDEFACT[STATE-NUM] -- Default reduction number in state STATE-NUM.
+ Performed when YYTABLE does not specify something else to do. Zero
+ means the default is an error. */
+static const yytype_uint8 yydefact[] =
+{
+ 0, 0, 150, 0, 0, 0, 150, 150, 0, 0,
+ 0, 0, 168, 53, 54, 0, 0, 114, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 3, 6,
+ 0, 0, 150, 150, 0, 55, 58, 60, 167, 61,
+ 65, 75, 69, 66, 63, 71, 64, 70, 72, 73,
+ 74, 0, 152, 159, 160, 0, 4, 5, 134, 0,
+ 0, 150, 150, 0, 150, 0, 0, 150, 53, 109,
+ 105, 0, 148, 147, 149, 164, 161, 169, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 15,
+ 24, 39, 33, 48, 30, 42, 36, 45, 27, 51,
+ 52, 21, 18, 9, 10, 0, 0, 1, 53, 59,
+ 56, 62, 145, 146, 2, 150, 150, 153, 154, 150,
+ 150, 163, 162, 150, 151, 133, 135, 144, 0, 150,
+ 0, 150, 150, 150, 150, 0, 150, 150, 0, 0,
+ 107, 106, 115, 170, 150, 17, 26, 41, 35, 50,
+ 32, 44, 38, 47, 29, 23, 20, 13, 14, 16,
+ 25, 40, 34, 49, 31, 43, 37, 46, 28, 22,
+ 19, 11, 12, 113, 104, 57, 0, 0, 157, 158,
+ 0, 0, 0, 150, 150, 150, 150, 150, 150, 0,
+ 150, 0, 150, 0, 0, 0, 0, 150, 0, 150,
+ 0, 0, 150, 102, 101, 108, 0, 155, 156, 166,
+ 165, 150, 150, 110, 0, 0, 0, 137, 138, 136,
+ 0, 119, 150, 0, 150, 150, 0, 7, 0, 150,
+ 0, 86, 87, 150, 150, 150, 150, 0, 0, 0,
+ 150, 0, 67, 68, 0, 103, 99, 0, 0, 112,
+ 139, 140, 141, 142, 143, 98, 125, 127, 129, 120,
+ 0, 96, 131, 0, 0, 0, 0, 76, 8, 150,
+ 0, 77, 0, 0, 0, 0, 88, 0, 150, 0,
+ 89, 100, 111, 150, 126, 128, 130, 97, 0, 0,
+ 150, 78, 79, 0, 150, 150, 84, 85, 90, 91,
+ 0, 150, 150, 116, 150, 132, 121, 122, 150, 150,
+ 0, 0, 150, 150, 0, 0, 150, 118, 123, 124,
+ 0, 0, 82, 83, 0, 0, 94, 95, 117, 80,
+ 81, 92, 93
};
+ /* YYPGOTO[NTERM-NUM]. */
+static const yytype_int16 yypgoto[] =
+{
+ -204, -204, 140, -36, 35, -60, 345, -204, -7, -204,
+ -204, -204, -204, -204, -198, -204, -204, -204, -204, -204,
+ -204, 42, -204, 130, -204, 83, -203, -6, -204, -5,
+ -204, -46, -48, -204, -120, 24, 66, -204
+};
-#define YYLAST 577
-
-
-static const short yytable[] = { 58,
- 59, 47, 167, 90, 46, 94, 216, 89, 240, 156,
- 187, 154, 161, 242, 61, 157, 62, 193, 162, 242,
- 243, 217, 91, 217, 195, 139, 256, 260, 262, 109,
- 111, 105, 117, 50, 105, 121, 224, 28, 105, 105,
- 105, 105, 105, 231, 158, 188, 105, 163, 218, 203,
- 218, 54, 194, 105, 57, 103, 105, 105, 77, 196,
- 78, 60, 261, 263, 75, 80, 141, 81, 127, 123,
- 128, 64, 142, 143, 65, 223, 146, 55, 130, 76,
- 131, 56, 79, 233, 83, 155, 174, 175, 176, 82,
- 159, 160, 129, 112, 113, 114, 84, 148, 85, 168,
- 47, 47, 132, 101, 145, 112, 113, 114, 147, 149,
- 150, 164, 165, 207, 208, 209, 210, 211, 97, 98,
- 151, 152, 153, 86, 178, 179, 180, 181, 182, 186,
- 149, 150, 264, 175, 87, 88, 90, 96, 90, 104,
- 197, 202, 199, 47, 47, 110, 169, 170, 116, 189,
- 118, 192, 173, 97, 98, 119, 120, 122, 125, 124,
- 215, 126, 133, 138, 99, 100, 134, 204, 205, 135,
- 90, 90, 47, 47, 228, 229, 145, 136, 137, 190,
- 220, 221, 140, 166, 200, 206, 226, 227, 209, 210,
- 211, 201, 212, 213, 92, 13, 14, 222, 225, 246,
- 230, 232, 16, 17, 18, 19, 251, 20, 21, 22,
- 23, 253, 254, 255, 234, 235, 26, 27, 259, 66,
- 67, 68, 69, 217, 70, 239, 71, 72, 252, 244,
- 245, 267, 247, 73, 74, 249, 258, 90, 90, 257,
- 248, 270, 271, 250, 273, 274, 275, 276, 278, 266,
- 279, 198, 265, 268, 269, 93, 1, 272, 2, 63,
- 214, 241, 0, 3, 0, 4, 5, 6, 7, 0,
- 0, 8, 9, 0, 0, 0, 10, 11, 0, 12,
- 13, 14, 15, 0, 0, 0, 0, 16, 17, 18,
- 19, 0, 20, 21, 22, 23, 0, 0, 24, 25,
- 2, 26, 27, 0, 28, 3, 29, 4, 5, 6,
- 7, 0, 0, 8, 9, 0, 0, 0, 10, 11,
- 0, 12, 13, 14, 15, 0, 0, 0, 0, 16,
- 17, 18, 19, 0, 20, 21, 22, 23, 0, 0,
- 105, 0, 2, 26, 27, 0, 28, 3, 29, 4,
- 5, 6, 7, 0, 0, 8, 9, 0, 0, 0,
- 10, 11, 0, 12, 13, 14, 15, 0, 0, 0,
- 0, 16, 17, 18, 19, 0, 20, 21, 22, 23,
- 0, 0, 0, 0, 2, 26, 27, 0, 28, 3,
- 29, 4, 5, 6, 7, 0, 0, 8, 9, 0,
- 0, 0, 0, 11, 0, 12, 13, 14, 15, 0,
- 0, 0, 0, 16, 17, 18, 19, 0, 20, 21,
- 22, 23, 0, 0, 0, 0, 2, 26, 27, 0,
- 28, 3, 29, 4, 5, 6, 7, 0, 0, 8,
- 9, 0, 0, 0, 102, 0, 0, 12, 13, 14,
- 15, 0, 0, 0, 0, 16, 17, 18, 19, 0,
- 20, 21, 22, 23, 0, 0, 0, 0, 2, 26,
- 27, 0, 28, 3, 29, 4, 5, 6, 7, 0,
- 0, 8, 9, 0, 0, 0, 0, 0, 0, 12,
- 13, 14, 15, 0, 0, 0, 0, 16, 17, 18,
- 19, 0, 20, 21, 22, 23, 0, 0, 105, 0,
- 2, 26, 27, 0, 28, 3, 29, 4, 5, 6,
- 7, 0, 0, 8, 9, 0, 0, 0, 0, 0,
- 0, 12, 13, 14, 15, 0, 0, 0, 0, 16,
- 17, 18, 19, 0, 20, 21, 22, 23, 0, 0,
- 0, 0, 0, 26, 27, 14, 28, 0, 29, 0,
- 0, 16, 17, 18, 19, 0, 20, 21, 22, 23,
- 0, 0, 0, 0, 0, 26, 27
+ /* YYDEFGOTO[NTERM-NUM]. */
+static const yytype_int16 yydefgoto[] =
+{
+ -1, 34, 238, 35, 36, 121, 37, 38, 39, 40,
+ 41, 42, 43, 44, 214, 45, 46, 47, 48, 49,
+ 50, 224, 230, 231, 232, 274, 58, 59, 135, 136,
+ 124, 75, 60, 51, 52, 137, 54, 55
};
-static const short yycheck[] = { 6,
- 7, 0, 121, 28, 0, 34, 9, 28, 9, 14,
- 14, 20, 14, 45, 29, 20, 10, 14, 20, 45,
- 52, 24, 29, 24, 14, 90, 52, 14, 14, 54,
- 55, 43, 57, 43, 43, 60, 191, 49, 43, 43,
- 43, 43, 43, 198, 49, 49, 43, 49, 51, 168,
- 51, 24, 49, 43, 24, 49, 43, 43, 24, 49,
- 26, 24, 49, 49, 24, 24, 95, 26, 24, 63,
- 26, 23, 97, 98, 51, 24, 101, 24, 24, 24,
- 26, 28, 48, 202, 24, 110, 5, 6, 7, 48,
- 115, 116, 48, 42, 43, 44, 24, 104, 24, 124,
- 99, 100, 48, 45, 100, 42, 43, 44, 102, 30,
- 31, 118, 119, 178, 179, 180, 181, 182, 30, 31,
- 41, 42, 43, 24, 149, 150, 151, 152, 153, 154,
- 30, 31, 5, 6, 24, 24, 161, 43, 163, 4,
- 161, 166, 163, 142, 143, 42, 142, 143, 42, 156,
- 14, 158, 146, 30, 31, 14, 51, 18, 24, 52,
- 185, 24, 24, 50, 41, 42, 24, 174, 175, 24,
- 195, 196, 171, 172, 195, 196, 172, 24, 24, 24,
- 187, 188, 52, 52, 15, 7, 193, 194, 253, 254,
- 255, 15, 9, 36, 24, 25, 26, 15, 50, 224,
- 15, 50, 32, 33, 34, 35, 231, 37, 38, 39,
- 40, 236, 237, 238, 7, 4, 46, 47, 243, 32,
- 33, 34, 35, 24, 37, 36, 39, 40, 235, 15,
- 50, 256, 15, 46, 47, 15, 243, 262, 263, 24,
- 50, 262, 263, 50, 15, 50, 15, 50, 0, 256,
- 0, 162, 252, 260, 261, 32, 1, 264, 3, 10,
- 185, 218, -1, 8, -1, 10, 11, 12, 13, -1,
- -1, 16, 17, -1, -1, -1, 21, 22, -1, 24,
- 25, 26, 27, -1, -1, -1, -1, 32, 33, 34,
- 35, -1, 37, 38, 39, 40, -1, -1, 43, 44,
- 3, 46, 47, -1, 49, 8, 51, 10, 11, 12,
- 13, -1, -1, 16, 17, -1, -1, -1, 21, 22,
- -1, 24, 25, 26, 27, -1, -1, -1, -1, 32,
- 33, 34, 35, -1, 37, 38, 39, 40, -1, -1,
- 43, -1, 3, 46, 47, -1, 49, 8, 51, 10,
- 11, 12, 13, -1, -1, 16, 17, -1, -1, -1,
- 21, 22, -1, 24, 25, 26, 27, -1, -1, -1,
- -1, 32, 33, 34, 35, -1, 37, 38, 39, 40,
- -1, -1, -1, -1, 3, 46, 47, -1, 49, 8,
- 51, 10, 11, 12, 13, -1, -1, 16, 17, -1,
- -1, -1, -1, 22, -1, 24, 25, 26, 27, -1,
- -1, -1, -1, 32, 33, 34, 35, -1, 37, 38,
- 39, 40, -1, -1, -1, -1, 3, 46, 47, -1,
- 49, 8, 51, 10, 11, 12, 13, -1, -1, 16,
- 17, -1, -1, -1, 21, -1, -1, 24, 25, 26,
- 27, -1, -1, -1, -1, 32, 33, 34, 35, -1,
- 37, 38, 39, 40, -1, -1, -1, -1, 3, 46,
- 47, -1, 49, 8, 51, 10, 11, 12, 13, -1,
- -1, 16, 17, -1, -1, -1, -1, -1, -1, 24,
- 25, 26, 27, -1, -1, -1, -1, 32, 33, 34,
- 35, -1, 37, 38, 39, 40, -1, -1, 43, -1,
- 3, 46, 47, -1, 49, 8, 51, 10, 11, 12,
- 13, -1, -1, 16, 17, -1, -1, -1, -1, -1,
- -1, 24, 25, 26, 27, -1, -1, -1, -1, 32,
- 33, 34, 35, -1, 37, 38, 39, 40, -1, -1,
- -1, -1, -1, 46, 47, 26, 49, -1, 51, -1,
- -1, 32, 33, 34, 35, -1, 37, 38, 39, 40,
- -1, -1, -1, -1, -1, 46, 47
+ /* YYTABLE[YYPACT[STATE-NUM]] -- What to do in state STATE-NUM. If
+ positive, shift that token. If negative, reduce the rule whose
+ number is the opposite. If YYTABLE_NINF, syntax error. */
+static const yytype_uint16 yytable[] =
+{
+ 65, 66, 70, 120, 247, 271, 251, 188, 189, 131,
+ 151, 198, 61, 138, 140, 297, 145, 143, 256, 149,
+ 71, 200, 272, 299, 53, 234, 115, 116, 201, 299,
+ 300, 64, 272, 207, 120, 76, 314, 141, 56, 57,
+ 208, 134, 284, 285, 2, 77, 243, 134, 67, 3,
+ 245, 4, 5, 6, 7, 273, 291, 134, 134, 10,
+ 304, 150, 134, 78, 202, 273, 217, 218, 235, 99,
+ 134, 17, 119, 72, 73, 74, 209, 186, 187, 132,
+ 142, 190, 191, 134, 100, 185, 104, 134, 311, 244,
+ 215, 199, 134, 246, 62, 205, 206, 134, 32, 63,
+ 33, 318, 2, 305, 119, 108, 216, 3, 237, 4,
+ 5, 6, 7, 129, 120, 185, 109, 10, 130, 334,
+ 335, 122, 123, 322, 110, 134, 111, 192, 112, 17,
+ 113, 312, 72, 73, 74, 203, 204, 114, 134, 133,
+ 210, 211, 213, 139, 319, 225, 226, 227, 228, 229,
+ 233, 53, 53, 255, 117, 239, 32, 144, 33, 248,
+ 134, 248, 250, 278, 254, 101, 323, 146, 102, 105,
+ 157, 161, 106, 158, 162, 171, 147, 120, 172, 185,
+ 125, 126, 175, 148, 270, 176, 152, 72, 73, 74,
+ 153, 280, 279, 154, 236, 103, 240, 248, 248, 107,
+ 159, 163, 289, 288, 155, 173, 221, 222, 223, 213,
+ 53, 53, 177, 193, 194, 257, 258, 193, 194, 185,
+ 260, 261, 262, 263, 264, 125, 126, 183, 275, 276,
+ 184, 303, 156, 195, 196, 197, 160, 282, 283, 164,
+ 310, 127, 128, 287, 266, 267, 268, 213, 294, 295,
+ 296, 165, 317, 326, 222, 166, 219, 220, 167, 168,
+ 118, 14, 15, 16, 169, 170, 329, 174, 178, 18,
+ 19, 20, 21, 22, 248, 248, 179, 23, 24, 25,
+ 26, 27, 180, 181, 182, 241, 212, 313, 30, 31,
+ 252, 253, 259, 242, 316, 265, 277, 286, 320, 321,
+ 292, 281, 290, 293, 272, 324, 325, 1, 328, 2,
+ 301, 302, 330, 331, 3, 306, 4, 5, 6, 7,
+ 338, 307, 8, 9, 10, 308, 309, 315, 11, 12,
+ 332, 333, 13, 14, 15, 16, 17, 336, 337, 339,
+ 341, 18, 19, 20, 21, 22, 340, 342, 249, 23,
+ 24, 25, 26, 27, 69, 327, 298, 28, 29, 2,
+ 30, 31, 269, 32, 3, 33, 4, 5, 6, 7,
+ 0, 0, 8, 9, 10, 0, 0, 0, 11, 12,
+ 0, 0, 13, 14, 15, 16, 17, 0, 0, 0,
+ 0, 18, 19, 20, 21, 22, 0, 0, 0, 23,
+ 24, 25, 26, 27, 0, 0, 72, 73, 74, 2,
+ 30, 31, 0, 32, 3, 33, 4, 5, 6, 7,
+ 0, 0, 8, 9, 10, 0, 0, 0, 11, 12,
+ 0, 0, 13, 14, 15, 16, 17, 0, 0, 0,
+ 0, 18, 19, 20, 21, 22, 0, 0, 0, 23,
+ 24, 25, 26, 27, 0, 0, 0, 134, 0, 2,
+ 30, 31, 0, 32, 3, 33, 4, 5, 6, 7,
+ 0, 0, 8, 9, 10, 0, 0, 0, 11, 12,
+ 0, 0, 13, 14, 15, 16, 17, 0, 0, 0,
+ 0, 18, 19, 20, 21, 22, 0, 0, 0, 23,
+ 24, 25, 26, 27, 0, 0, 0, 0, 0, 2,
+ 30, 31, 0, 32, 3, 33, 4, 5, 6, 7,
+ 0, 0, 8, 9, 10, 0, 0, 0, 0, 0,
+ 0, 0, 13, 14, 15, 16, 17, 0, 0, 0,
+ 0, 18, 19, 20, 21, 22, 0, 0, 0, 23,
+ 24, 25, 26, 27, 0, 0, 0, 134, 0, 2,
+ 30, 31, 0, 32, 3, 33, 4, 5, 6, 7,
+ 0, 0, 0, 0, 10, 0, 0, 0, 0, 0,
+ 0, 0, 68, 14, 15, 16, 17, 0, 0, 0,
+ 0, 18, 19, 20, 21, 22, 0, 0, 0, 23,
+ 24, 25, 26, 27, 0, 0, 0, 0, 0, 0,
+ 30, 31, 0, 32, 0, 33, 15, 16, 0, 0,
+ 0, 0, 0, 18, 19, 20, 21, 22, 0, 0,
+ 0, 23, 24, 25, 26, 27, 79, 80, 81, 82,
+ 83, 0, 30, 31, 84, 0, 0, 85, 86, 89,
+ 90, 91, 92, 93, 0, 87, 88, 94, 0, 0,
+ 95, 96, 0, 0, 0, 0, 0, 0, 97, 98
};
-/* -*-C-*- Note some compilers choke on comments on `#line' lines. */
-#line 3 "/usr/share/misc/bison.simple"
-/* Skeleton output parser for bison,
- Copyright (C) 1984, 1989, 1990 Free Software Foundation, Inc.
+static const yytype_int16 yycheck[] =
+{
+ 6, 7, 9, 39, 207, 9, 209, 127, 128, 55,
+ 70, 21, 26, 61, 62, 9, 64, 63, 216, 67,
+ 32, 14, 26, 53, 0, 14, 32, 33, 21, 53,
+ 60, 26, 26, 14, 70, 11, 60, 14, 51, 52,
+ 21, 51, 245, 246, 3, 24, 14, 51, 26, 8,
+ 14, 10, 11, 12, 13, 59, 254, 51, 51, 18,
+ 14, 68, 51, 59, 57, 59, 186, 187, 57, 26,
+ 51, 30, 37, 50, 51, 52, 57, 125, 126, 55,
+ 57, 129, 130, 51, 26, 121, 26, 51, 14, 57,
+ 150, 139, 51, 57, 26, 143, 144, 51, 57, 31,
+ 59, 14, 3, 57, 69, 26, 154, 8, 26, 10,
+ 11, 12, 13, 48, 150, 151, 26, 18, 53, 322,
+ 323, 51, 52, 14, 26, 51, 26, 133, 26, 30,
+ 26, 57, 50, 51, 52, 141, 142, 26, 51, 4,
+ 146, 147, 149, 50, 57, 193, 194, 195, 196, 197,
+ 198, 127, 128, 213, 0, 201, 57, 50, 59, 207,
+ 51, 209, 208, 26, 212, 26, 57, 14, 29, 26,
+ 26, 26, 29, 29, 29, 26, 14, 213, 29, 215,
+ 33, 34, 26, 59, 232, 29, 19, 50, 51, 52,
+ 25, 239, 238, 60, 200, 56, 202, 245, 246, 56,
+ 56, 56, 250, 249, 26, 56, 5, 6, 7, 216,
+ 186, 187, 56, 33, 34, 221, 222, 33, 34, 255,
+ 225, 226, 227, 228, 229, 33, 34, 58, 234, 235,
+ 60, 279, 26, 49, 50, 51, 26, 243, 244, 26,
+ 288, 49, 50, 248, 40, 41, 42, 254, 40, 41,
+ 42, 26, 300, 5, 6, 26, 190, 191, 26, 26,
+ 26, 27, 28, 29, 26, 26, 314, 26, 26, 35,
+ 36, 37, 38, 39, 322, 323, 26, 43, 44, 45,
+ 46, 47, 26, 26, 26, 15, 60, 293, 54, 55,
+ 15, 15, 7, 58, 300, 9, 15, 15, 304, 305,
+ 7, 58, 58, 4, 26, 311, 312, 1, 314, 3,
+ 15, 58, 318, 319, 8, 15, 10, 11, 12, 13,
+ 326, 58, 16, 17, 18, 15, 58, 26, 22, 23,
+ 15, 58, 26, 27, 28, 29, 30, 15, 58, 15,
+ 15, 35, 36, 37, 38, 39, 58, 58, 208, 43,
+ 44, 45, 46, 47, 9, 313, 273, 51, 52, 3,
+ 54, 55, 232, 57, 8, 59, 10, 11, 12, 13,
+ -1, -1, 16, 17, 18, -1, -1, -1, 22, 23,
+ -1, -1, 26, 27, 28, 29, 30, -1, -1, -1,
+ -1, 35, 36, 37, 38, 39, -1, -1, -1, 43,
+ 44, 45, 46, 47, -1, -1, 50, 51, 52, 3,
+ 54, 55, -1, 57, 8, 59, 10, 11, 12, 13,
+ -1, -1, 16, 17, 18, -1, -1, -1, 22, 23,
+ -1, -1, 26, 27, 28, 29, 30, -1, -1, -1,
+ -1, 35, 36, 37, 38, 39, -1, -1, -1, 43,
+ 44, 45, 46, 47, -1, -1, -1, 51, -1, 3,
+ 54, 55, -1, 57, 8, 59, 10, 11, 12, 13,
+ -1, -1, 16, 17, 18, -1, -1, -1, 22, 23,
+ -1, -1, 26, 27, 28, 29, 30, -1, -1, -1,
+ -1, 35, 36, 37, 38, 39, -1, -1, -1, 43,
+ 44, 45, 46, 47, -1, -1, -1, -1, -1, 3,
+ 54, 55, -1, 57, 8, 59, 10, 11, 12, 13,
+ -1, -1, 16, 17, 18, -1, -1, -1, -1, -1,
+ -1, -1, 26, 27, 28, 29, 30, -1, -1, -1,
+ -1, 35, 36, 37, 38, 39, -1, -1, -1, 43,
+ 44, 45, 46, 47, -1, -1, -1, 51, -1, 3,
+ 54, 55, -1, 57, 8, 59, 10, 11, 12, 13,
+ -1, -1, -1, -1, 18, -1, -1, -1, -1, -1,
+ -1, -1, 26, 27, 28, 29, 30, -1, -1, -1,
+ -1, 35, 36, 37, 38, 39, -1, -1, -1, 43,
+ 44, 45, 46, 47, -1, -1, -1, -1, -1, -1,
+ 54, 55, -1, 57, -1, 59, 28, 29, -1, -1,
+ -1, -1, -1, 35, 36, 37, 38, 39, -1, -1,
+ -1, 43, 44, 45, 46, 47, 35, 36, 37, 38,
+ 39, -1, 54, 55, 43, -1, -1, 46, 47, 35,
+ 36, 37, 38, 39, -1, 54, 55, 43, -1, -1,
+ 46, 47, -1, -1, -1, -1, -1, -1, 54, 55
+};
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
+ /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
+ symbol of state STATE-NUM. */
+static const yytype_uint8 yystos[] =
+{
+ 0, 1, 3, 8, 10, 11, 12, 13, 16, 17,
+ 18, 22, 23, 26, 27, 28, 29, 30, 35, 36,
+ 37, 38, 39, 43, 44, 45, 46, 47, 51, 52,
+ 54, 55, 57, 59, 62, 64, 65, 67, 68, 69,
+ 70, 71, 72, 73, 74, 76, 77, 78, 79, 80,
+ 81, 94, 95, 96, 97, 98, 51, 52, 87, 88,
+ 93, 26, 26, 31, 26, 88, 88, 26, 26, 67,
+ 69, 32, 50, 51, 52, 92, 96, 24, 59, 35,
+ 36, 37, 38, 39, 43, 46, 47, 54, 55, 35,
+ 36, 37, 38, 39, 43, 46, 47, 54, 55, 26,
+ 26, 26, 29, 56, 26, 26, 29, 56, 26, 26,
+ 26, 26, 26, 26, 26, 88, 88, 0, 26, 65,
+ 64, 66, 51, 52, 91, 33, 34, 49, 50, 48,
+ 53, 92, 96, 4, 51, 89, 90, 96, 93, 50,
+ 93, 14, 57, 92, 50, 93, 14, 14, 59, 93,
+ 69, 66, 19, 25, 60, 26, 26, 26, 29, 56,
+ 26, 26, 29, 56, 26, 26, 26, 26, 26, 26,
+ 26, 26, 29, 56, 26, 26, 29, 56, 26, 26,
+ 26, 26, 26, 58, 60, 64, 93, 93, 95, 95,
+ 93, 93, 88, 33, 34, 49, 50, 51, 21, 93,
+ 14, 21, 57, 88, 88, 93, 93, 14, 21, 57,
+ 88, 88, 60, 69, 75, 66, 93, 95, 95, 97,
+ 97, 5, 6, 7, 82, 93, 93, 93, 93, 93,
+ 83, 84, 85, 93, 14, 57, 88, 26, 63, 92,
+ 88, 15, 58, 14, 57, 14, 57, 87, 93, 63,
+ 92, 87, 15, 15, 93, 66, 75, 88, 88, 7,
+ 90, 90, 90, 90, 90, 9, 40, 41, 42, 84,
+ 93, 9, 26, 59, 86, 88, 88, 15, 26, 92,
+ 93, 58, 88, 88, 87, 87, 15, 90, 92, 93,
+ 58, 75, 7, 4, 40, 41, 42, 9, 86, 53,
+ 60, 15, 58, 93, 14, 57, 15, 58, 15, 58,
+ 93, 14, 57, 88, 60, 26, 88, 93, 14, 57,
+ 88, 88, 14, 57, 88, 88, 5, 82, 88, 93,
+ 88, 88, 15, 58, 87, 87, 15, 58, 88, 15,
+ 58, 15, 58
+};
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
+ /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
+static const yytype_uint8 yyr1[] =
+{
+ 0, 61, 62, 62, 62, 62, 62, 63, 63, 64,
+ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+ 64, 64, 64, 65, 65, 65, 66, 66, 67, 67,
+ 68, 68, 68, 68, 68, 69, 69, 69, 69, 69,
+ 69, 69, 69, 69, 69, 69, 70, 70, 70, 70,
+ 70, 70, 70, 70, 71, 71, 71, 71, 72, 72,
+ 72, 72, 72, 72, 72, 72, 73, 73, 73, 74,
+ 74, 74, 75, 75, 76, 77, 77, 77, 77, 77,
+ 78, 78, 78, 79, 80, 81, 82, 82, 82, 83,
+ 83, 84, 84, 84, 84, 85, 85, 85, 85, 85,
+ 85, 86, 86, 87, 88, 88, 89, 89, 89, 90,
+ 90, 90, 90, 90, 90, 91, 91, 92, 92, 92,
+ 93, 93, 94, 94, 94, 95, 95, 95, 95, 95,
+ 96, 96, 96, 96, 96, 97, 97, 97, 98, 98,
+ 98
+};
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-/* As a special exception, when this file is copied by Bison into a
- Bison output file, you may use that output file without restriction.
- This special exception was added by the Free Software Foundation
- in version 1.24 of Bison. */
-
-#ifndef alloca
-#ifdef __GNUC__
-#define alloca __builtin_alloca
-#else /* not GNU C. */
-#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi)
-#include <alloca.h>
-#else /* not sparc */
-#if defined (MSDOS) && !defined (__TURBOC__)
-#include <malloc.h>
-#else /* not MSDOS, or __TURBOC__ */
-#if defined(_AIX)
-#include <malloc.h>
- #pragma alloca
-#else /* not MSDOS, __TURBOC__, or _AIX */
-#ifdef __hpux
-#ifdef __cplusplus
-extern "C" {
-void *alloca (unsigned int);
+ /* YYR2[YYN] -- Number of symbols on the right hand side of rule YYN. */
+static const yytype_uint8 yyr2[] =
+{
+ 0, 2, 2, 1, 2, 2, 1, 1, 2, 2,
+ 2, 3, 3, 3, 3, 2, 3, 3, 2, 3,
+ 3, 2, 3, 3, 2, 3, 3, 2, 3, 3,
+ 2, 3, 3, 2, 3, 3, 2, 3, 3, 2,
+ 3, 3, 2, 3, 3, 2, 3, 3, 2, 3,
+ 3, 2, 2, 1, 1, 1, 1, 2, 1, 2,
+ 1, 1, 2, 1, 1, 1, 1, 5, 5, 1,
+ 1, 1, 1, 1, 1, 1, 6, 6, 7, 7,
+ 10, 10, 9, 9, 7, 7, 5, 5, 6, 6,
+ 7, 7, 10, 10, 9, 9, 6, 7, 6, 5,
+ 6, 4, 1, 2, 3, 2, 3, 3, 4, 2,
+ 5, 7, 6, 3, 1, 3, 4, 6, 5, 1,
+ 2, 4, 4, 5, 5, 2, 3, 2, 3, 2,
+ 3, 1, 3, 2, 1, 2, 3, 3, 3, 4,
+ 4, 4, 4, 4, 1, 1, 1, 1, 1, 1,
+ 0, 2, 1, 2, 2, 4, 4, 3, 3, 1,
+ 1, 2, 2, 2, 2, 4, 4, 1, 1, 2,
+ 3
};
-#else /* not __cplusplus */
-void *alloca ();
-#endif /* not __cplusplus */
-#endif /* __hpux */
-#endif /* not _AIX */
-#endif /* not MSDOS, or __TURBOC__ */
-#endif /* not sparc. */
-#endif /* not GNU C. */
-#endif /* alloca not defined. */
-
-/* This is the parser code that is written into each bison parser
- when the %semantic_parser declaration is not specified in the grammar.
- It was written by Richard Stallman by simplifying the hairy parser
- used when %semantic_parser is specified. */
-
-/* Note: there must be only one dollar sign in this file.
- It is replaced by the list of actions, each action
- as one case of the switch. */
-
-#define yyerrok (yyerrstatus = 0)
-#define yyclearin (yychar = YYEMPTY)
-#define YYEMPTY -2
-#define YYEOF 0
-#define YYACCEPT return(0)
-#define YYABORT return(1)
-#define YYERROR goto yyerrlab1
-/* Like YYERROR except do call yyerror.
- This remains here temporarily to ease the
- transition to the new meaning of YYERROR, for GCC.
- Once GCC version 2 has supplanted version 1, this can go. */
-#define YYFAIL goto yyerrlab
-#define YYRECOVERING() (!!yyerrstatus)
-#define YYBACKUP(token, value) \
-do \
- if (yychar == YYEMPTY && yylen == 1) \
- { yychar = (token), yylval = (value); \
- yychar1 = YYTRANSLATE (yychar); \
- YYPOPSTACK; \
- goto yybackup; \
- } \
- else \
- { yyerror ("syntax error: cannot back up"); YYERROR; } \
-while (0)
-#define YYTERROR 1
-#define YYERRCODE 256
-#ifndef YYPURE
-#define YYLEX yylex()
-#endif
+#define yyerrok (yyerrstatus = 0)
+#define yyclearin (yychar = YYEMPTY)
+#define YYEMPTY (-2)
+#define YYEOF 0
+
+#define YYACCEPT goto yyacceptlab
+#define YYABORT goto yyabortlab
+#define YYERROR goto yyerrorlab
-#ifdef YYPURE
-#ifdef YYLSP_NEEDED
-#ifdef YYLEX_PARAM
-#define YYLEX yylex(&yylval, &yylloc, YYLEX_PARAM)
-#else
-#define YYLEX yylex(&yylval, &yylloc)
-#endif
-#else /* not YYLSP_NEEDED */
-#ifdef YYLEX_PARAM
-#define YYLEX yylex(&yylval, YYLEX_PARAM)
-#else
-#define YYLEX yylex(&yylval)
-#endif
-#endif /* not YYLSP_NEEDED */
-#endif
-/* If nonreentrant, generate the variables here */
+#define YYRECOVERING() (!!yyerrstatus)
-#ifndef YYPURE
+#define YYBACKUP(Token, Value) \
+do \
+ if (yychar == YYEMPTY) \
+ { \
+ yychar = (Token); \
+ yylval = (Value); \
+ YYPOPSTACK (yylen); \
+ yystate = *yyssp; \
+ goto yybackup; \
+ } \
+ else \
+ { \
+ yyerror (YY_("syntax error: cannot back up")); \
+ YYERROR; \
+ } \
+while (0)
-int yychar; /* the lookahead symbol */
-YYSTYPE yylval; /* the semantic value of the */
- /* lookahead symbol */
+/* Error token number */
+#define YYTERROR 1
+#define YYERRCODE 256
-#ifdef YYLSP_NEEDED
-YYLTYPE yylloc; /* location data for the lookahead */
- /* symbol */
-#endif
-int yynerrs; /* number of parse errors so far */
-#endif /* not YYPURE */
-#if YYDEBUG != 0
-int yydebug; /* nonzero means print parse trace */
-/* Since this is uninitialized, it does not stop multiple parsers
- from coexisting. */
-#endif
+/* Enable debugging if requested. */
+#if YYDEBUG
+
+# ifndef YYFPRINTF
+# include <stdio.h> /* INFRINGES ON USER NAME SPACE */
+# define YYFPRINTF fprintf
+# endif
-/* YYINITDEPTH indicates the initial size of the parser's stacks */
+# define YYDPRINTF(Args) \
+do { \
+ if (yydebug) \
+ YYFPRINTF Args; \
+} while (0)
-#ifndef YYINITDEPTH
-#define YYINITDEPTH 200
+/* This macro is provided for backward compatibility. */
+#ifndef YY_LOCATION_PRINT
+# define YY_LOCATION_PRINT(File, Loc) ((void) 0)
#endif
-/* YYMAXDEPTH is the maximum size the stacks can grow to
- (effective only if the built-in stack extension method is used). */
-#if YYMAXDEPTH == 0
-#undef YYMAXDEPTH
-#endif
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \
+do { \
+ if (yydebug) \
+ { \
+ YYFPRINTF (stderr, "%s ", Title); \
+ yy_symbol_print (stderr, \
+ Type, Value); \
+ YYFPRINTF (stderr, "\n"); \
+ } \
+} while (0)
-#ifndef YYMAXDEPTH
-#define YYMAXDEPTH 10000
-#endif
-/* Prevent warning if -Wstrict-prototypes. */
-#ifdef __GNUC__
-int yyparse (void);
-#endif
-\f
-#if __GNUC__ > 1 /* GNU C and GNU C++ define this. */
-#define __yy_memcpy(TO,FROM,COUNT) __builtin_memcpy(TO,FROM,COUNT)
-#else /* not GNU C or C++ */
-#ifndef __cplusplus
-
-/* This is the most reliable way to avoid incompatibilities
- in available built-in functions on various systems. */
+/*----------------------------------------.
+| Print this symbol's value on YYOUTPUT. |
+`----------------------------------------*/
+
static void
-__yy_memcpy (to, from, count)
- char *to;
- char *from;
- int count;
+yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep)
{
- register char *f = from;
- register char *t = to;
- register int i = count;
-
- while (i-- > 0)
- *t++ = *f++;
+ FILE *yyo = yyoutput;
+ YYUSE (yyo);
+ if (!yyvaluep)
+ return;
+# ifdef YYPRINT
+ if (yytype < YYNTOKENS)
+ YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
+# endif
+ YYUSE (yytype);
}
-#else /* __cplusplus */
-/* This is the most reliable way to avoid incompatibilities
- in available built-in functions on various systems. */
+/*--------------------------------.
+| Print this symbol on YYOUTPUT. |
+`--------------------------------*/
+
static void
-__yy_memcpy (char *to, char *from, int count)
+yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep)
{
- register char *f = from;
- register char *t = to;
- register int i = count;
+ YYFPRINTF (yyoutput, "%s %s (",
+ yytype < YYNTOKENS ? "token" : "nterm", yytname[yytype]);
- while (i-- > 0)
- *t++ = *f++;
+ yy_symbol_value_print (yyoutput, yytype, yyvaluep);
+ YYFPRINTF (yyoutput, ")");
}
-#endif
-#endif
-\f
-#line 196 "/usr/share/misc/bison.simple"
-
-/* The user can define YYPARSE_PARAM as the name of an argument to be passed
- into yyparse. The argument should have type void *.
- It should actually point to an object.
- Grammar actions can access the variable by casting it
- to the proper pointer type. */
-
-#ifdef YYPARSE_PARAM
-#ifdef __cplusplus
-#define YYPARSE_PARAM_ARG void *YYPARSE_PARAM
-#define YYPARSE_PARAM_DECL
-#else /* not __cplusplus */
-#define YYPARSE_PARAM_ARG YYPARSE_PARAM
-#define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
-#endif /* not __cplusplus */
-#else /* not YYPARSE_PARAM */
-#define YYPARSE_PARAM_ARG
-#define YYPARSE_PARAM_DECL
-#endif /* not YYPARSE_PARAM */
+/*------------------------------------------------------------------.
+| yy_stack_print -- Print the state stack from its BOTTOM up to its |
+| TOP (included). |
+`------------------------------------------------------------------*/
-int
-yyparse(YYPARSE_PARAM_ARG)
- YYPARSE_PARAM_DECL
+static void
+yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop)
{
- register int yystate;
- register int yyn;
- register short *yyssp;
- register YYSTYPE *yyvsp;
- int yyerrstatus; /* number of tokens to shift before error messages enabled */
- int yychar1 = 0; /* lookahead token as an internal (translated) token number */
-
- short yyssa[YYINITDEPTH]; /* the state stack */
- YYSTYPE yyvsa[YYINITDEPTH]; /* the semantic value stack */
+ YYFPRINTF (stderr, "Stack now");
+ for (; yybottom <= yytop; yybottom++)
+ {
+ int yybot = *yybottom;
+ YYFPRINTF (stderr, " %d", yybot);
+ }
+ YYFPRINTF (stderr, "\n");
+}
- short *yyss = yyssa; /* refer to the stacks thru separate pointers */
- YYSTYPE *yyvs = yyvsa; /* to allow yyoverflow to reallocate them elsewhere */
+# define YY_STACK_PRINT(Bottom, Top) \
+do { \
+ if (yydebug) \
+ yy_stack_print ((Bottom), (Top)); \
+} while (0)
-#ifdef YYLSP_NEEDED
- YYLTYPE yylsa[YYINITDEPTH]; /* the location stack */
- YYLTYPE *yyls = yylsa;
- YYLTYPE *yylsp;
-#define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
-#else
-#define YYPOPSTACK (yyvsp--, yyssp--)
-#endif
+/*------------------------------------------------.
+| Report that the YYRULE is going to be reduced. |
+`------------------------------------------------*/
- int yystacksize = YYINITDEPTH;
+static void
+yy_reduce_print (yytype_int16 *yyssp, YYSTYPE *yyvsp, int yyrule)
+{
+ unsigned long int yylno = yyrline[yyrule];
+ int yynrhs = yyr2[yyrule];
+ int yyi;
+ YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",
+ yyrule - 1, yylno);
+ /* The symbols being reduced. */
+ for (yyi = 0; yyi < yynrhs; yyi++)
+ {
+ YYFPRINTF (stderr, " $%d = ", yyi + 1);
+ yy_symbol_print (stderr,
+ yystos[yyssp[yyi + 1 - yynrhs]],
+ &(yyvsp[(yyi + 1) - (yynrhs)])
+ );
+ YYFPRINTF (stderr, "\n");
+ }
+}
-#ifdef YYPURE
- int yychar;
- YYSTYPE yylval;
- int yynerrs;
-#ifdef YYLSP_NEEDED
- YYLTYPE yylloc;
-#endif
+# define YY_REDUCE_PRINT(Rule) \
+do { \
+ if (yydebug) \
+ yy_reduce_print (yyssp, yyvsp, Rule); \
+} while (0)
+
+/* Nonzero means print parse trace. It is left uninitialized so that
+ multiple parsers can coexist. */
+int yydebug;
+#else /* !YYDEBUG */
+# define YYDPRINTF(Args)
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location)
+# define YY_STACK_PRINT(Bottom, Top)
+# define YY_REDUCE_PRINT(Rule)
+#endif /* !YYDEBUG */
+
+
+/* YYINITDEPTH -- initial size of the parser's stacks. */
+#ifndef YYINITDEPTH
+# define YYINITDEPTH 200
#endif
- YYSTYPE yyval; /* the variable used to return */
- /* semantic values from the action */
- /* routines */
+/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
+ if the built-in stack extension method is used).
- int yylen;
+ Do not make this value too large; the results are undefined if
+ YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
+ evaluated with infinite-precision integer arithmetic. */
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Starting parse\n");
+#ifndef YYMAXDEPTH
+# define YYMAXDEPTH 10000
#endif
- yystate = 0;
- yyerrstatus = 0;
- yynerrs = 0;
- yychar = YYEMPTY; /* Cause a token to be read. */
-
- /* Initialize stack pointers.
- Waste one element of value and location stack
- so that they stay on the same level as the state stack.
- The wasted elements are never initialized. */
- yyssp = yyss - 1;
- yyvsp = yyvs;
-#ifdef YYLSP_NEEDED
- yylsp = yyls;
-#endif
+#if YYERROR_VERBOSE
-/* Push a new state, which is found in yystate . */
-/* In all cases, when you get here, the value and location stacks
- have just been pushed. so pushing a state here evens the stacks. */
-yynewstate:
+# ifndef yystrlen
+# if defined __GLIBC__ && defined _STRING_H
+# define yystrlen strlen
+# else
+/* Return the length of YYSTR. */
+static YYSIZE_T
+yystrlen (const char *yystr)
+{
+ YYSIZE_T yylen;
+ for (yylen = 0; yystr[yylen]; yylen++)
+ continue;
+ return yylen;
+}
+# endif
+# endif
+
+# ifndef yystpcpy
+# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE
+# define yystpcpy stpcpy
+# else
+/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
+ YYDEST. */
+static char *
+yystpcpy (char *yydest, const char *yysrc)
+{
+ char *yyd = yydest;
+ const char *yys = yysrc;
- *++yyssp = yystate;
+ while ((*yyd++ = *yys++) != '\0')
+ continue;
- if (yyssp >= yyss + yystacksize - 1)
+ return yyd - 1;
+}
+# endif
+# endif
+
+# ifndef yytnamerr
+/* Copy to YYRES the contents of YYSTR after stripping away unnecessary
+ quotes and backslashes, so that it's suitable for yyerror. The
+ heuristic is that double-quoting is unnecessary unless the string
+ contains an apostrophe, a comma, or backslash (other than
+ backslash-backslash). YYSTR is taken from yytname. If YYRES is
+ null, do not copy; instead, return the length of what the result
+ would have been. */
+static YYSIZE_T
+yytnamerr (char *yyres, const char *yystr)
+{
+ if (*yystr == '"')
{
- /* Give user a chance to reallocate the stack */
- /* Use copies of these so that the &'s don't force the real ones into memory. */
- YYSTYPE *yyvs1 = yyvs;
- short *yyss1 = yyss;
-#ifdef YYLSP_NEEDED
- YYLTYPE *yyls1 = yyls;
-#endif
+ YYSIZE_T yyn = 0;
+ char const *yyp = yystr;
+
+ for (;;)
+ switch (*++yyp)
+ {
+ case '\'':
+ case ',':
+ goto do_not_strip_quotes;
+
+ case '\\':
+ if (*++yyp != '\\')
+ goto do_not_strip_quotes;
+ /* Fall through. */
+ default:
+ if (yyres)
+ yyres[yyn] = *yyp;
+ yyn++;
+ break;
+
+ case '"':
+ if (yyres)
+ yyres[yyn] = '\0';
+ return yyn;
+ }
+ do_not_strip_quotes: ;
+ }
- /* Get the current used size of the three stacks, in elements. */
- int size = yyssp - yyss + 1;
+ if (! yyres)
+ return yystrlen (yystr);
-#ifdef yyoverflow
- /* Each stack pointer address is followed by the size of
- the data in use in that stack, in bytes. */
-#ifdef YYLSP_NEEDED
- /* This used to be a conditional around just the two extra args,
- but that might be undefined if yyoverflow is a macro. */
- yyoverflow("parser stack overflow",
- &yyss1, size * sizeof (*yyssp),
- &yyvs1, size * sizeof (*yyvsp),
- &yyls1, size * sizeof (*yylsp),
- &yystacksize);
-#else
- yyoverflow("parser stack overflow",
- &yyss1, size * sizeof (*yyssp),
- &yyvs1, size * sizeof (*yyvsp),
- &yystacksize);
-#endif
+ return yystpcpy (yyres, yystr) - yyres;
+}
+# endif
+
+/* Copy into *YYMSG, which is of size *YYMSG_ALLOC, an error message
+ about the unexpected token YYTOKEN for the state stack whose top is
+ YYSSP.
+
+ Return 0 if *YYMSG was successfully written. Return 1 if *YYMSG is
+ not large enough to hold the message. In that case, also set
+ *YYMSG_ALLOC to the required number of bytes. Return 2 if the
+ required number of bytes is too large to store. */
+static int
+yysyntax_error (YYSIZE_T *yymsg_alloc, char **yymsg,
+ yytype_int16 *yyssp, int yytoken)
+{
+ YYSIZE_T yysize0 = yytnamerr (YY_NULLPTR, yytname[yytoken]);
+ YYSIZE_T yysize = yysize0;
+ enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
+ /* Internationalized format string. */
+ const char *yyformat = YY_NULLPTR;
+ /* Arguments of yyformat. */
+ char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
+ /* Number of reported tokens (one for the "unexpected", one per
+ "expected"). */
+ int yycount = 0;
+
+ /* There are many possibilities here to consider:
+ - If this state is a consistent state with a default action, then
+ the only way this function was invoked is if the default action
+ is an error action. In that case, don't check for expected
+ tokens because there are none.
+ - The only way there can be no lookahead present (in yychar) is if
+ this state is a consistent state with a default action. Thus,
+ detecting the absence of a lookahead is sufficient to determine
+ that there is no unexpected or expected token to report. In that
+ case, just report a simple "syntax error".
+ - Don't assume there isn't a lookahead just because this state is a
+ consistent state with a default action. There might have been a
+ previous inconsistent state, consistent state with a non-default
+ action, or user semantic action that manipulated yychar.
+ - Of course, the expected token list depends on states to have
+ correct lookahead information, and it depends on the parser not
+ to perform extra reductions after fetching a lookahead from the
+ scanner and before detecting a syntax error. Thus, state merging
+ (from LALR or IELR) and default reductions corrupt the expected
+ token list. However, the list is correct for canonical LR with
+ one exception: it will still contain any token that will not be
+ accepted due to an error action in a later state.
+ */
+ if (yytoken != YYEMPTY)
+ {
+ int yyn = yypact[*yyssp];
+ yyarg[yycount++] = yytname[yytoken];
+ if (!yypact_value_is_default (yyn))
+ {
+ /* Start YYX at -YYN if negative to avoid negative indexes in
+ YYCHECK. In other words, skip the first -YYN actions for
+ this state because they are default actions. */
+ int yyxbegin = yyn < 0 ? -yyn : 0;
+ /* Stay within bounds of both yycheck and yytname. */
+ int yychecklim = YYLAST - yyn + 1;
+ int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
+ int yyx;
+
+ for (yyx = yyxbegin; yyx < yyxend; ++yyx)
+ if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR
+ && !yytable_value_is_error (yytable[yyx + yyn]))
+ {
+ if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
+ {
+ yycount = 1;
+ yysize = yysize0;
+ break;
+ }
+ yyarg[yycount++] = yytname[yyx];
+ {
+ YYSIZE_T yysize1 = yysize + yytnamerr (YY_NULLPTR, yytname[yyx]);
+ if (! (yysize <= yysize1
+ && yysize1 <= YYSTACK_ALLOC_MAXIMUM))
+ return 2;
+ yysize = yysize1;
+ }
+ }
+ }
+ }
+
+ switch (yycount)
+ {
+# define YYCASE_(N, S) \
+ case N: \
+ yyformat = S; \
+ break
+ default: /* Avoid compiler warnings. */
+ YYCASE_(0, YY_("syntax error"));
+ YYCASE_(1, YY_("syntax error, unexpected %s"));
+ YYCASE_(2, YY_("syntax error, unexpected %s, expecting %s"));
+ YYCASE_(3, YY_("syntax error, unexpected %s, expecting %s or %s"));
+ YYCASE_(4, YY_("syntax error, unexpected %s, expecting %s or %s or %s"));
+ YYCASE_(5, YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s"));
+# undef YYCASE_
+ }
+
+ {
+ YYSIZE_T yysize1 = yysize + yystrlen (yyformat);
+ if (! (yysize <= yysize1 && yysize1 <= YYSTACK_ALLOC_MAXIMUM))
+ return 2;
+ yysize = yysize1;
+ }
+
+ if (*yymsg_alloc < yysize)
+ {
+ *yymsg_alloc = 2 * yysize;
+ if (! (yysize <= *yymsg_alloc
+ && *yymsg_alloc <= YYSTACK_ALLOC_MAXIMUM))
+ *yymsg_alloc = YYSTACK_ALLOC_MAXIMUM;
+ return 1;
+ }
+
+ /* Avoid sprintf, as that infringes on the user's name space.
+ Don't have undefined behavior even if the translation
+ produced a string with the wrong number of "%s"s. */
+ {
+ char *yyp = *yymsg;
+ int yyi = 0;
+ while ((*yyp = *yyformat) != '\0')
+ if (*yyp == '%' && yyformat[1] == 's' && yyi < yycount)
+ {
+ yyp += yytnamerr (yyp, yyarg[yyi++]);
+ yyformat += 2;
+ }
+ else
+ {
+ yyp++;
+ yyformat++;
+ }
+ }
+ return 0;
+}
+#endif /* YYERROR_VERBOSE */
+
+/*-----------------------------------------------.
+| Release the memory associated to this symbol. |
+`-----------------------------------------------*/
- yyss = yyss1; yyvs = yyvs1;
-#ifdef YYLSP_NEEDED
- yyls = yyls1;
+static void
+yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep)
+{
+ YYUSE (yyvaluep);
+ if (!yymsg)
+ yymsg = "Deleting";
+ YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
+
+ YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+ YYUSE (yytype);
+ YY_IGNORE_MAYBE_UNINITIALIZED_END
+}
+
+
+
+
+/* The lookahead symbol. */
+int yychar;
+
+/* The semantic value of the lookahead symbol. */
+YYSTYPE yylval;
+/* Number of syntax errors so far. */
+int yynerrs;
+
+
+/*----------.
+| yyparse. |
+`----------*/
+
+int
+yyparse (void)
+{
+ int yystate;
+ /* Number of tokens to shift before error messages enabled. */
+ int yyerrstatus;
+
+ /* The stacks and their tools:
+ 'yyss': related to states.
+ 'yyvs': related to semantic values.
+
+ Refer to the stacks through separate pointers, to allow yyoverflow
+ to reallocate them elsewhere. */
+
+ /* The state stack. */
+ yytype_int16 yyssa[YYINITDEPTH];
+ yytype_int16 *yyss;
+ yytype_int16 *yyssp;
+
+ /* The semantic value stack. */
+ YYSTYPE yyvsa[YYINITDEPTH];
+ YYSTYPE *yyvs;
+ YYSTYPE *yyvsp;
+
+ YYSIZE_T yystacksize;
+
+ int yyn;
+ int yyresult;
+ /* Lookahead token as an internal (translated) token number. */
+ int yytoken = 0;
+ /* The variables used to return semantic value and location from the
+ action routines. */
+ YYSTYPE yyval;
+
+#if YYERROR_VERBOSE
+ /* Buffer for error messages, and its allocated size. */
+ char yymsgbuf[128];
+ char *yymsg = yymsgbuf;
+ YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
#endif
+
+#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N))
+
+ /* The number of symbols on the RHS of the reduced rule.
+ Keep to zero when no symbol should be popped. */
+ int yylen = 0;
+
+ yyssp = yyss = yyssa;
+ yyvsp = yyvs = yyvsa;
+ yystacksize = YYINITDEPTH;
+
+ YYDPRINTF ((stderr, "Starting parse\n"));
+
+ yystate = 0;
+ yyerrstatus = 0;
+ yynerrs = 0;
+ yychar = YYEMPTY; /* Cause a token to be read. */
+ goto yysetstate;
+
+/*------------------------------------------------------------.
+| yynewstate -- Push a new state, which is found in yystate. |
+`------------------------------------------------------------*/
+ yynewstate:
+ /* In all cases, when you get here, the value and location stacks
+ have just been pushed. So pushing a state here evens the stacks. */
+ yyssp++;
+
+ yysetstate:
+ *yyssp = yystate;
+
+ if (yyss + yystacksize - 1 <= yyssp)
+ {
+ /* Get the current used size of the three stacks, in elements. */
+ YYSIZE_T yysize = yyssp - yyss + 1;
+
+#ifdef yyoverflow
+ {
+ /* Give user a chance to reallocate the stack. Use copies of
+ these so that the &'s don't force the real ones into
+ memory. */
+ YYSTYPE *yyvs1 = yyvs;
+ yytype_int16 *yyss1 = yyss;
+
+ /* Each stack pointer address is followed by the size of the
+ data in use in that stack, in bytes. This used to be a
+ conditional around just the two extra args, but that might
+ be undefined if yyoverflow is a macro. */
+ yyoverflow (YY_("memory exhausted"),
+ &yyss1, yysize * sizeof (*yyssp),
+ &yyvs1, yysize * sizeof (*yyvsp),
+ &yystacksize);
+
+ yyss = yyss1;
+ yyvs = yyvs1;
+ }
#else /* no yyoverflow */
+# ifndef YYSTACK_RELOCATE
+ goto yyexhaustedlab;
+# else
/* Extend the stack our own way. */
- if (yystacksize >= YYMAXDEPTH)
- {
- yyerror("parser stack overflow");
- return 2;
- }
+ if (YYMAXDEPTH <= yystacksize)
+ goto yyexhaustedlab;
yystacksize *= 2;
- if (yystacksize > YYMAXDEPTH)
- yystacksize = YYMAXDEPTH;
- yyss = (short *) alloca (yystacksize * sizeof (*yyssp));
- __yy_memcpy ((char *)yyss, (char *)yyss1, size * sizeof (*yyssp));
- yyvs = (YYSTYPE *) alloca (yystacksize * sizeof (*yyvsp));
- __yy_memcpy ((char *)yyvs, (char *)yyvs1, size * sizeof (*yyvsp));
-#ifdef YYLSP_NEEDED
- yyls = (YYLTYPE *) alloca (yystacksize * sizeof (*yylsp));
- __yy_memcpy ((char *)yyls, (char *)yyls1, size * sizeof (*yylsp));
-#endif
+ if (YYMAXDEPTH < yystacksize)
+ yystacksize = YYMAXDEPTH;
+
+ {
+ yytype_int16 *yyss1 = yyss;
+ union yyalloc *yyptr =
+ (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
+ if (! yyptr)
+ goto yyexhaustedlab;
+ YYSTACK_RELOCATE (yyss_alloc, yyss);
+ YYSTACK_RELOCATE (yyvs_alloc, yyvs);
+# undef YYSTACK_RELOCATE
+ if (yyss1 != yyssa)
+ YYSTACK_FREE (yyss1);
+ }
+# endif
#endif /* no yyoverflow */
- yyssp = yyss + size - 1;
- yyvsp = yyvs + size - 1;
-#ifdef YYLSP_NEEDED
- yylsp = yyls + size - 1;
-#endif
+ yyssp = yyss + yysize - 1;
+ yyvsp = yyvs + yysize - 1;
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Stack size increased to %d\n", yystacksize);
-#endif
+ YYDPRINTF ((stderr, "Stack size increased to %lu\n",
+ (unsigned long int) yystacksize));
- if (yyssp >= yyss + yystacksize - 1)
- YYABORT;
+ if (yyss + yystacksize - 1 <= yyssp)
+ YYABORT;
}
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Entering state %d\n", yystate);
-#endif
+ YYDPRINTF ((stderr, "Entering state %d\n", yystate));
+
+ if (yystate == YYFINAL)
+ YYACCEPT;
goto yybackup;
- yybackup:
-/* Do appropriate processing given the current state. */
-/* Read a lookahead token if we need one and don't already have one. */
-/* yyresume: */
+/*-----------.
+| yybackup. |
+`-----------*/
+yybackup:
- /* First try to decide what to do without reference to lookahead token. */
+ /* Do appropriate processing given the current state. Read a
+ lookahead token if we need one and don't already have one. */
+ /* First try to decide what to do without reference to lookahead token. */
yyn = yypact[yystate];
- if (yyn == YYFLAG)
+ if (yypact_value_is_default (yyn))
goto yydefault;
/* Not known => get a lookahead token if don't already have one. */
- /* yychar is either YYEMPTY or YYEOF
- or a valid token in external form. */
-
+ /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */
if (yychar == YYEMPTY)
{
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Reading a token: ");
-#endif
- yychar = YYLEX;
+ YYDPRINTF ((stderr, "Reading a token: "));
+ yychar = yylex ();
}
- /* Convert token to internal form (in yychar1) for indexing tables with */
-
- if (yychar <= 0) /* This means end of input. */
+ if (yychar <= YYEOF)
{
- yychar1 = 0;
- yychar = YYEOF; /* Don't call YYLEX any more */
-
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Now at end of input.\n");
-#endif
+ yychar = yytoken = YYEOF;
+ YYDPRINTF ((stderr, "Now at end of input.\n"));
}
else
{
- yychar1 = YYTRANSLATE(yychar);
-
-#if YYDEBUG != 0
- if (yydebug)
- {
- fprintf (stderr, "Next token is %d (%s", yychar, yytname[yychar1]);
- /* Give the individual parser a way to print the precise meaning
- of a token, for further debugging info. */
-#ifdef YYPRINT
- YYPRINT (stderr, yychar, yylval);
-#endif
- fprintf (stderr, ")\n");
- }
-#endif
+ yytoken = YYTRANSLATE (yychar);
+ YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
}
- yyn += yychar1;
- if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1)
+ /* If the proper action on seeing token YYTOKEN is to reduce or to
+ detect an error, take that action. */
+ yyn += yytoken;
+ if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
goto yydefault;
-
yyn = yytable[yyn];
-
- /* yyn is what to do for this token type in this state.
- Negative => reduce, -yyn is rule number.
- Positive => shift, yyn is new state.
- New state is final state => don't bother to shift,
- just return success.
- 0, or most negative number => error. */
-
- if (yyn < 0)
+ if (yyn <= 0)
{
- if (yyn == YYFLAG)
- goto yyerrlab;
+ if (yytable_value_is_error (yyn))
+ goto yyerrlab;
yyn = -yyn;
goto yyreduce;
}
- else if (yyn == 0)
- goto yyerrlab;
- if (yyn == YYFINAL)
- YYACCEPT;
+ /* Count tokens shifted since error; after three, turn off error
+ status. */
+ if (yyerrstatus)
+ yyerrstatus--;
/* Shift the lookahead token. */
+ YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]);
-#endif
-
- /* Discard the token being shifted unless it is eof. */
- if (yychar != YYEOF)
- yychar = YYEMPTY;
+ /* Discard the shifted token. */
+ yychar = YYEMPTY;
+ yystate = yyn;
+ YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
*++yyvsp = yylval;
-#ifdef YYLSP_NEEDED
- *++yylsp = yylloc;
-#endif
+ YY_IGNORE_MAYBE_UNINITIALIZED_END
- /* count tokens shifted since error; after three, turn off error status. */
- if (yyerrstatus) yyerrstatus--;
-
- yystate = yyn;
goto yynewstate;
-/* Do the default action for the current state. */
-yydefault:
+/*-----------------------------------------------------------.
+| yydefault -- do the default action for the current state. |
+`-----------------------------------------------------------*/
+yydefault:
yyn = yydefact[yystate];
if (yyn == 0)
goto yyerrlab;
+ goto yyreduce;
-/* Do a reduction. yyn is the number of a rule to reduce with. */
+
+/*-----------------------------.
+| yyreduce -- Do a reduction. |
+`-----------------------------*/
yyreduce:
+ /* yyn is the number of a rule to reduce with. */
yylen = yyr2[yyn];
- if (yylen > 0)
- yyval = yyvsp[1-yylen]; /* implement default value of the action */
-
-#if YYDEBUG != 0
- if (yydebug)
- {
- int i;
- fprintf (stderr, "Reducing via rule %d (line %d), ",
- yyn, yyrline[yyn]);
+ /* If YYLEN is nonzero, implement the default value of the action:
+ '$$ = $1'.
- /* Print the symbols being reduced, and their result. */
- for (i = yyprhs[yyn]; yyrhs[i] > 0; i++)
- fprintf (stderr, "%s ", yytname[yyrhs[i]]);
- fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]);
- }
-#endif
+ Otherwise, the following line sets YYVAL to garbage.
+ This behavior is undocumented and Bison
+ users should not rely upon it. Assigning to YYVAL
+ unconditionally makes the parser a bit smaller, and it avoids a
+ GCC warning that YYVAL may be used uninitialized. */
+ yyval = yyvsp[1-yylen];
- switch (yyn) {
-
-case 1:
-#line 238 "/usr/homes/chet/src/bash/src/parse.y"
-{
+ YY_REDUCE_PRINT (yyn);
+ switch (yyn)
+ {
+ case 2:
+#line 382 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
/* Case of regular command. Discard the error
safety net,and return the command just parsed. */
- global_command = yyvsp[-1].command;
+ global_command = (yyvsp[-1].command);
eof_encountered = 0;
- discard_parser_constructs (0);
+ /* discard_parser_constructs (0); */
+ if (parser_state & PST_CMDSUBST)
+ parser_state |= PST_EOFTOKEN;
YYACCEPT;
- ;
- break;}
-case 2:
-#line 247 "/usr/homes/chet/src/bash/src/parse.y"
-{
+ }
+#line 1933 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 3:
+#line 393 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
/* Case of regular command, but not a very
interesting one. Return a NULL command. */
global_command = (COMMAND *)NULL;
+ if (parser_state & PST_CMDSUBST)
+ parser_state |= PST_EOFTOKEN;
YYACCEPT;
- ;
- break;}
-case 3:
-#line 254 "/usr/homes/chet/src/bash/src/parse.y"
-{
+ }
+#line 1946 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 4:
+#line 402 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
/* Error during parsing. Return NULL command. */
global_command = (COMMAND *)NULL;
eof_encountered = 0;
- discard_parser_constructs (1);
- if (interactive)
+ /* discard_parser_constructs (1); */
+ if (interactive && parse_and_execute_level == 0)
{
YYACCEPT;
}
{
YYABORT;
}
- ;
- break;}
-case 4:
-#line 269 "/usr/homes/chet/src/bash/src/parse.y"
-{
+ }
+#line 1965 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 5:
+#line 417 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ /* EOF after an error. Do ignoreeof or not. Really
+ only interesting in non-interactive shells */
+ global_command = (COMMAND *)NULL;
+ if (last_command_exit_value == 0)
+ last_command_exit_value = EX_BADUSAGE; /* force error return */
+ handle_eof_input_unit ();
+ if (interactive && parse_and_execute_level == 0)
+ {
+ YYACCEPT;
+ }
+ else
+ {
+ YYABORT;
+ }
+ }
+#line 1986 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 6:
+#line 434 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
/* Case of EOF seen by itself. Do ignoreeof or
not. */
global_command = (COMMAND *)NULL;
handle_eof_input_unit ();
YYACCEPT;
- ;
- break;}
-case 5:
-#line 279 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.word_list = make_word_list (yyvsp[0].word, (WORD_LIST *)NULL); ;
- break;}
-case 6:
-#line 281 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.word_list = make_word_list (yyvsp[0].word, yyvsp[-1].word_list); ;
- break;}
-case 7:
-#line 285 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (1, r_output_direction, redir);
- ;
- break;}
-case 8:
-#line 290 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (0, r_input_direction, redir);
- ;
- break;}
-case 9:
-#line 295 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_output_direction, redir);
- ;
- break;}
-case 10:
-#line 300 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_input_direction, redir);
- ;
- break;}
-case 11:
-#line 305 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (1, r_appending_to, redir);
- ;
- break;}
-case 12:
-#line 310 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_appending_to, redir);
- ;
- break;}
-case 13:
-#line 315 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (0, r_reading_until, redir);
- redir_stack[need_here_doc++] = yyval.redirect;
- ;
- break;}
-case 14:
-#line 321 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_reading_until, redir);
- redir_stack[need_here_doc++] = yyval.redirect;
- ;
- break;}
-case 15:
-#line 327 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.dest = yyvsp[0].number;
- yyval.redirect = make_redirection (0, r_duplicating_input, redir);
- ;
- break;}
-case 16:
-#line 332 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.dest = yyvsp[0].number;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_duplicating_input, redir);
- ;
- break;}
-case 17:
-#line 337 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.dest = yyvsp[0].number;
- yyval.redirect = make_redirection (1, r_duplicating_output, redir);
- ;
- break;}
-case 18:
-#line 342 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.dest = yyvsp[0].number;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_duplicating_output, redir);
- ;
- break;}
-case 19:
-#line 347 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (0, r_duplicating_input_word, redir);
- ;
- break;}
-case 20:
-#line 352 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_duplicating_input_word, redir);
- ;
- break;}
-case 21:
-#line 357 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (1, r_duplicating_output_word, redir);
- ;
- break;}
-case 22:
-#line 362 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_duplicating_output_word, redir);
- ;
- break;}
-case 23:
-#line 367 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection
- (0, r_deblank_reading_until, redir);
- redir_stack[need_here_doc++] = yyval.redirect;
- ;
- break;}
-case 24:
-#line 374 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection
- (yyvsp[-2].number, r_deblank_reading_until, redir);
- redir_stack[need_here_doc++] = yyval.redirect;
- ;
- break;}
-case 25:
-#line 381 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.dest = 0L;
- yyval.redirect = make_redirection (1, r_close_this, redir);
- ;
- break;}
-case 26:
-#line 386 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.dest = 0L;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_close_this, redir);
- ;
- break;}
-case 27:
-#line 391 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.dest = 0L;
- yyval.redirect = make_redirection (0, r_close_this, redir);
- ;
- break;}
-case 28:
-#line 396 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.dest = 0L;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_close_this, redir);
- ;
- break;}
-case 29:
-#line 401 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (1, r_err_and_out, redir);
- ;
- break;}
-case 30:
-#line 406 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_input_output, redir);
- ;
- break;}
-case 31:
-#line 411 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (0, r_input_output, redir);
- ;
- break;}
-case 32:
-#line 416 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (1, r_output_force, redir);
- ;
- break;}
-case 33:
-#line 421 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_output_force, redir);
- ;
- break;}
-case 34:
-#line 428 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.element.word = yyvsp[0].word; yyval.element.redirect = 0; ;
- break;}
-case 35:
-#line 430 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.element.word = yyvsp[0].word; yyval.element.redirect = 0; ;
- break;}
-case 36:
-#line 432 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.element.redirect = yyvsp[0].redirect; yyval.element.word = 0; ;
- break;}
-case 37:
-#line 436 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyval.redirect = yyvsp[0].redirect;
- ;
- break;}
-case 38:
-#line 440 "/usr/homes/chet/src/bash/src/parse.y"
-{
+ }
+#line 1998 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 7:
+#line 444 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.word_list) = make_word_list ((yyvsp[0].word), (WORD_LIST *)NULL); }
+#line 2004 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 8:
+#line 446 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.word_list) = make_word_list ((yyvsp[0].word), (yyvsp[-1].word_list)); }
+#line 2010 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 9:
+#line 450 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = 1;
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_output_direction, redir, 0);
+ }
+#line 2020 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 10:
+#line 456 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = 0;
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_input_direction, redir, 0);
+ }
+#line 2030 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 11:
+#line 462 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = (yyvsp[-2].number);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_output_direction, redir, 0);
+ }
+#line 2040 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 12:
+#line 468 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = (yyvsp[-2].number);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_input_direction, redir, 0);
+ }
+#line 2050 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 13:
+#line 474 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.filename = (yyvsp[-2].word);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_output_direction, redir, REDIR_VARASSIGN);
+ }
+#line 2060 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 14:
+#line 480 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.filename = (yyvsp[-2].word);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_input_direction, redir, REDIR_VARASSIGN);
+ }
+#line 2070 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 15:
+#line 486 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = 1;
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_appending_to, redir, 0);
+ }
+#line 2080 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 16:
+#line 492 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = (yyvsp[-2].number);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_appending_to, redir, 0);
+ }
+#line 2090 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 17:
+#line 498 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.filename = (yyvsp[-2].word);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_appending_to, redir, REDIR_VARASSIGN);
+ }
+#line 2100 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 18:
+#line 504 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = 1;
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_output_force, redir, 0);
+ }
+#line 2110 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 19:
+#line 510 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = (yyvsp[-2].number);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_output_force, redir, 0);
+ }
+#line 2120 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 20:
+#line 516 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.filename = (yyvsp[-2].word);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_output_force, redir, REDIR_VARASSIGN);
+ }
+#line 2130 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 21:
+#line 522 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = 0;
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_input_output, redir, 0);
+ }
+#line 2140 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 22:
+#line 528 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = (yyvsp[-2].number);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_input_output, redir, 0);
+ }
+#line 2150 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 23:
+#line 534 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.filename = (yyvsp[-2].word);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_input_output, redir, REDIR_VARASSIGN);
+ }
+#line 2160 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 24:
+#line 540 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = 0;
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_reading_until, redir, 0);
+ push_heredoc ((yyval.redirect));
+ }
+#line 2171 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 25:
+#line 547 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = (yyvsp[-2].number);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_reading_until, redir, 0);
+ push_heredoc ((yyval.redirect));
+ }
+#line 2182 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 26:
+#line 554 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.filename = (yyvsp[-2].word);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_reading_until, redir, REDIR_VARASSIGN);
+ push_heredoc ((yyval.redirect));
+ }
+#line 2193 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 27:
+#line 561 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = 0;
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_deblank_reading_until, redir, 0);
+ push_heredoc ((yyval.redirect));
+ }
+#line 2204 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 28:
+#line 568 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = (yyvsp[-2].number);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_deblank_reading_until, redir, 0);
+ push_heredoc ((yyval.redirect));
+ }
+#line 2215 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 29:
+#line 575 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.filename = (yyvsp[-2].word);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_deblank_reading_until, redir, REDIR_VARASSIGN);
+ push_heredoc ((yyval.redirect));
+ }
+#line 2226 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 30:
+#line 582 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = 0;
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_reading_string, redir, 0);
+ }
+#line 2236 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 31:
+#line 588 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = (yyvsp[-2].number);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_reading_string, redir, 0);
+ }
+#line 2246 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 32:
+#line 594 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.filename = (yyvsp[-2].word);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_reading_string, redir, REDIR_VARASSIGN);
+ }
+#line 2256 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 33:
+#line 600 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = 0;
+ redir.dest = (yyvsp[0].number);
+ (yyval.redirect) = make_redirection (source, r_duplicating_input, redir, 0);
+ }
+#line 2266 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 34:
+#line 606 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = (yyvsp[-2].number);
+ redir.dest = (yyvsp[0].number);
+ (yyval.redirect) = make_redirection (source, r_duplicating_input, redir, 0);
+ }
+#line 2276 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 35:
+#line 612 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.filename = (yyvsp[-2].word);
+ redir.dest = (yyvsp[0].number);
+ (yyval.redirect) = make_redirection (source, r_duplicating_input, redir, REDIR_VARASSIGN);
+ }
+#line 2286 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 36:
+#line 618 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = 1;
+ redir.dest = (yyvsp[0].number);
+ (yyval.redirect) = make_redirection (source, r_duplicating_output, redir, 0);
+ }
+#line 2296 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 37:
+#line 624 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = (yyvsp[-2].number);
+ redir.dest = (yyvsp[0].number);
+ (yyval.redirect) = make_redirection (source, r_duplicating_output, redir, 0);
+ }
+#line 2306 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 38:
+#line 630 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.filename = (yyvsp[-2].word);
+ redir.dest = (yyvsp[0].number);
+ (yyval.redirect) = make_redirection (source, r_duplicating_output, redir, REDIR_VARASSIGN);
+ }
+#line 2316 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 39:
+#line 636 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = 0;
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_duplicating_input_word, redir, 0);
+ }
+#line 2326 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 40:
+#line 642 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = (yyvsp[-2].number);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_duplicating_input_word, redir, 0);
+ }
+#line 2336 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 41:
+#line 648 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.filename = (yyvsp[-2].word);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_duplicating_input_word, redir, REDIR_VARASSIGN);
+ }
+#line 2346 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 42:
+#line 654 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = 1;
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_duplicating_output_word, redir, 0);
+ }
+#line 2356 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 43:
+#line 660 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = (yyvsp[-2].number);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_duplicating_output_word, redir, 0);
+ }
+#line 2366 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 44:
+#line 666 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.filename = (yyvsp[-2].word);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_duplicating_output_word, redir, REDIR_VARASSIGN);
+ }
+#line 2376 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 45:
+#line 672 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = 1;
+ redir.dest = 0;
+ (yyval.redirect) = make_redirection (source, r_close_this, redir, 0);
+ }
+#line 2386 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 46:
+#line 678 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = (yyvsp[-2].number);
+ redir.dest = 0;
+ (yyval.redirect) = make_redirection (source, r_close_this, redir, 0);
+ }
+#line 2396 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 47:
+#line 684 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.filename = (yyvsp[-2].word);
+ redir.dest = 0;
+ (yyval.redirect) = make_redirection (source, r_close_this, redir, REDIR_VARASSIGN);
+ }
+#line 2406 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 48:
+#line 690 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = 0;
+ redir.dest = 0;
+ (yyval.redirect) = make_redirection (source, r_close_this, redir, 0);
+ }
+#line 2416 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 49:
+#line 696 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = (yyvsp[-2].number);
+ redir.dest = 0;
+ (yyval.redirect) = make_redirection (source, r_close_this, redir, 0);
+ }
+#line 2426 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 50:
+#line 702 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.filename = (yyvsp[-2].word);
+ redir.dest = 0;
+ (yyval.redirect) = make_redirection (source, r_close_this, redir, REDIR_VARASSIGN);
+ }
+#line 2436 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 51:
+#line 708 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = 1;
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_err_and_out, redir, 0);
+ }
+#line 2446 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 52:
+#line 714 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ source.dest = 1;
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_append_err_and_out, redir, 0);
+ }
+#line 2456 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 53:
+#line 722 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.element).word = (yyvsp[0].word); (yyval.element).redirect = 0; }
+#line 2462 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 54:
+#line 724 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.element).word = (yyvsp[0].word); (yyval.element).redirect = 0; }
+#line 2468 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 55:
+#line 726 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.element).redirect = (yyvsp[0].redirect); (yyval.element).word = 0; }
+#line 2474 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 56:
+#line 730 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.redirect) = (yyvsp[0].redirect);
+ }
+#line 2482 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 57:
+#line 734 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
register REDIRECT *t;
- for (t = yyvsp[-1].redirect; t->next; t = t->next)
+ for (t = (yyvsp[-1].redirect); t->next; t = t->next)
;
- t->next = yyvsp[0].redirect;
- yyval.redirect = yyvsp[-1].redirect;
- ;
- break;}
-case 39:
-#line 451 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_simple_command (yyvsp[0].element, (COMMAND *)NULL); ;
- break;}
-case 40:
-#line 453 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_simple_command (yyvsp[0].element, yyvsp[-1].command); ;
- break;}
-case 41:
-#line 457 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = clean_simple_command (yyvsp[0].command); ;
- break;}
-case 42:
-#line 459 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 43:
-#line 461 "/usr/homes/chet/src/bash/src/parse.y"
-{
+ t->next = (yyvsp[0].redirect);
+ (yyval.redirect) = (yyvsp[-1].redirect);
+ }
+#line 2495 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 58:
+#line 745 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = make_simple_command ((yyvsp[0].element), (COMMAND *)NULL); }
+#line 2501 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 59:
+#line 747 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = make_simple_command ((yyvsp[0].element), (yyvsp[-1].command)); }
+#line 2507 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 60:
+#line 751 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = clean_simple_command ((yyvsp[0].command)); }
+#line 2513 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 61:
+#line 753 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = (yyvsp[0].command); }
+#line 2519 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 62:
+#line 755 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ COMMAND *tc;
+
+ tc = (yyvsp[-1].command);
+ if (tc && tc->redirects)
+ {
+ register REDIRECT *t;
+ for (t = tc->redirects; t->next; t = t->next)
+ ;
+ t->next = (yyvsp[0].redirect);
+ }
+ else if (tc)
+ tc->redirects = (yyvsp[0].redirect);
+ (yyval.command) = (yyvsp[-1].command);
+ }
+#line 2539 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 63:
+#line 771 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = (yyvsp[0].command); }
+#line 2545 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 64:
+#line 773 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = (yyvsp[0].command); }
+#line 2551 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 65:
+#line 777 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = (yyvsp[0].command); }
+#line 2557 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 66:
+#line 779 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = (yyvsp[0].command); }
+#line 2563 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 67:
+#line 781 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = make_while_command ((yyvsp[-3].command), (yyvsp[-1].command)); }
+#line 2569 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 68:
+#line 783 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = make_until_command ((yyvsp[-3].command), (yyvsp[-1].command)); }
+#line 2575 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 69:
+#line 785 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = (yyvsp[0].command); }
+#line 2581 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 70:
+#line 787 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = (yyvsp[0].command); }
+#line 2587 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 71:
+#line 789 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = (yyvsp[0].command); }
+#line 2593 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 72:
+#line 791 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = (yyvsp[0].command); }
+#line 2599 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 73:
+#line 793 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = (yyvsp[0].command); }
+#line 2605 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 74:
+#line 795 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = (yyvsp[0].command); }
+#line 2611 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 75:
+#line 797 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = (yyvsp[0].command); }
+#line 2617 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 76:
+#line 801 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = make_for_command ((yyvsp[-4].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[-1].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+#line 2626 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 77:
+#line 806 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = make_for_command ((yyvsp[-4].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[-1].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+#line 2635 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 78:
+#line 811 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = make_for_command ((yyvsp[-5].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[-1].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+#line 2644 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 79:
+#line 816 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = make_for_command ((yyvsp[-5].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[-1].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+#line 2653 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 80:
+#line 821 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = make_for_command ((yyvsp[-8].word), REVERSE_LIST ((yyvsp[-5].word_list), WORD_LIST *), (yyvsp[-1].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+#line 2662 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 81:
+#line 826 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = make_for_command ((yyvsp[-8].word), REVERSE_LIST ((yyvsp[-5].word_list), WORD_LIST *), (yyvsp[-1].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+#line 2671 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 82:
+#line 831 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = make_for_command ((yyvsp[-7].word), (WORD_LIST *)NULL, (yyvsp[-1].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+#line 2680 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 83:
+#line 836 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = make_for_command ((yyvsp[-7].word), (WORD_LIST *)NULL, (yyvsp[-1].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+#line 2689 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 84:
+#line 843 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = make_arith_for_command ((yyvsp[-5].word_list), (yyvsp[-1].command), arith_for_lineno);
+ if ((yyval.command) == 0) YYERROR;
+ if (word_top > 0) word_top--;
+ }
+#line 2699 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 85:
+#line 849 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = make_arith_for_command ((yyvsp[-5].word_list), (yyvsp[-1].command), arith_for_lineno);
+ if ((yyval.command) == 0) YYERROR;
+ if (word_top > 0) word_top--;
+ }
+#line 2709 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 86:
+#line 855 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = make_arith_for_command ((yyvsp[-3].word_list), (yyvsp[-1].command), arith_for_lineno);
+ if ((yyval.command) == 0) YYERROR;
+ if (word_top > 0) word_top--;
+ }
+#line 2719 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 87:
+#line 861 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = make_arith_for_command ((yyvsp[-3].word_list), (yyvsp[-1].command), arith_for_lineno);
+ if ((yyval.command) == 0) YYERROR;
+ if (word_top > 0) word_top--;
+ }
+#line 2729 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 88:
+#line 869 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = make_select_command ((yyvsp[-4].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[-1].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+#line 2738 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 89:
+#line 874 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = make_select_command ((yyvsp[-4].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[-1].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+#line 2747 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 90:
+#line 879 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = make_select_command ((yyvsp[-5].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[-1].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+#line 2756 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 91:
+#line 884 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = make_select_command ((yyvsp[-5].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[-1].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+#line 2765 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 92:
+#line 889 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = make_select_command ((yyvsp[-8].word), REVERSE_LIST ((yyvsp[-5].word_list), WORD_LIST *), (yyvsp[-1].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+#line 2774 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 93:
+#line 894 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = make_select_command ((yyvsp[-8].word), REVERSE_LIST ((yyvsp[-5].word_list), WORD_LIST *), (yyvsp[-1].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+#line 2783 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 94:
+#line 899 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = make_select_command ((yyvsp[-7].word), (WORD_LIST *)NULL, (yyvsp[-1].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+#line 2792 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 95:
+#line 904 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = make_select_command ((yyvsp[-7].word), (WORD_LIST *)NULL, (yyvsp[-1].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+#line 2801 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 96:
+#line 911 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = make_case_command ((yyvsp[-4].word), (PATTERN_LIST *)NULL, word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+#line 2810 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 97:
+#line 916 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = make_case_command ((yyvsp[-5].word), (yyvsp[-2].pattern), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+#line 2819 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 98:
+#line 921 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = make_case_command ((yyvsp[-4].word), (yyvsp[-1].pattern), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+#line 2828 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 99:
+#line 928 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = make_function_def ((yyvsp[-4].word), (yyvsp[0].command), function_dstart, function_bstart); }
+#line 2834 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 100:
+#line 931 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = make_function_def ((yyvsp[-4].word), (yyvsp[0].command), function_dstart, function_bstart); }
+#line 2840 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 101:
+#line 934 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = make_function_def ((yyvsp[-2].word), (yyvsp[0].command), function_dstart, function_bstart); }
+#line 2846 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 102:
+#line 938 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = (yyvsp[0].command); }
+#line 2852 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 103:
+#line 940 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
COMMAND *tc;
- tc = yyvsp[-1].command;
+ tc = (yyvsp[-1].command);
/* According to Posix.2 3.9.5, redirections
specified after the body of a function should
be attached to the function and performed when
redirection. The two are semantically equivalent,
though -- the only difference is in how the
command printing code displays the redirections. */
- if (tc->type == cm_function_def)
+ if (tc && tc->redirects)
{
- tc = tc->value.Function_def->command;
- if (tc->type == cm_group)
- tc = tc->value.Group->command;
+ register REDIRECT *t;
+ for (t = tc->redirects; t->next; t = t->next)
+ ;
+ t->next = (yyvsp[0].redirect);
}
- if (tc->redirects)
+ else if (tc)
+ tc->redirects = (yyvsp[0].redirect);
+ (yyval.command) = (yyvsp[-1].command);
+ }
+#line 2885 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 104:
+#line 971 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = make_subshell_command ((yyvsp[-1].command));
+ (yyval.command)->flags |= CMD_WANT_SUBSHELL;
+ }
+#line 2894 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 105:
+#line 978 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = make_coproc_command ("COPROC", (yyvsp[0].command));
+ (yyval.command)->flags |= CMD_WANT_SUBSHELL|CMD_COPROC_SUBSHELL;
+ }
+#line 2903 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 106:
+#line 983 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ COMMAND *tc;
+
+ tc = (yyvsp[-1].command);
+ if (tc && tc->redirects)
{
register REDIRECT *t;
for (t = tc->redirects; t->next; t = t->next)
;
- t->next = yyvsp[0].redirect;
+ t->next = (yyvsp[0].redirect);
}
- else
- tc->redirects = yyvsp[0].redirect;
- yyval.command = yyvsp[-1].command;
- ;
- break;}
-case 44:
-#line 498 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 45:
-#line 500 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 46:
-#line 502 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_while_command (yyvsp[-3].command, yyvsp[-1].command); ;
- break;}
-case 47:
-#line 504 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_until_command (yyvsp[-3].command, yyvsp[-1].command); ;
- break;}
-case 48:
-#line 506 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 49:
-#line 508 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 50:
-#line 510 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 51:
-#line 512 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 52:
-#line 514 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 53:
-#line 516 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 54:
-#line 518 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 55:
-#line 520 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 56:
-#line 524 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_for_command (yyvsp[-4].word, add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), yyvsp[-1].command); ;
- break;}
-case 57:
-#line 526 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_for_command (yyvsp[-4].word, add_string_to_list ("$@", (WORD_LIST *)NULL), yyvsp[-1].command); ;
- break;}
-case 58:
-#line 528 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_for_command (yyvsp[-5].word, add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), yyvsp[-1].command); ;
- break;}
-case 59:
-#line 530 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_for_command (yyvsp[-5].word, add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), yyvsp[-1].command); ;
- break;}
-case 60:
-#line 532 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_for_command (yyvsp[-8].word, REVERSE_LIST (yyvsp[-5].word_list, WORD_LIST *), yyvsp[-1].command); ;
- break;}
-case 61:
-#line 534 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_for_command (yyvsp[-8].word, REVERSE_LIST (yyvsp[-5].word_list, WORD_LIST *), yyvsp[-1].command); ;
- break;}
-case 62:
-#line 538 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_arith_for_command (yyvsp[-5].word_list, yyvsp[-1].command, arith_for_lineno); ;
- break;}
-case 63:
-#line 540 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_arith_for_command (yyvsp[-5].word_list, yyvsp[-1].command, arith_for_lineno); ;
- break;}
-case 64:
-#line 543 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyval.command = make_select_command (yyvsp[-4].word, add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), yyvsp[-1].command);
- ;
- break;}
-case 65:
-#line 547 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyval.command = make_select_command (yyvsp[-4].word, add_string_to_list ("$@", (WORD_LIST *)NULL), yyvsp[-1].command);
- ;
- break;}
-case 66:
-#line 551 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyval.command = make_select_command (yyvsp[-5].word, add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), yyvsp[-1].command);
- ;
- break;}
-case 67:
-#line 555 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyval.command = make_select_command (yyvsp[-5].word, add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), yyvsp[-1].command);
- ;
- break;}
-case 68:
-#line 559 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyval.command = make_select_command (yyvsp[-8].word, (WORD_LIST *)reverse_list (yyvsp[-5].word_list), yyvsp[-1].command);
- ;
- break;}
-case 69:
-#line 563 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyval.command = make_select_command (yyvsp[-8].word, (WORD_LIST *)reverse_list (yyvsp[-5].word_list), yyvsp[-1].command);
- ;
- break;}
-case 70:
-#line 569 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_case_command (yyvsp[-4].word, (PATTERN_LIST *)NULL); ;
- break;}
-case 71:
-#line 571 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_case_command (yyvsp[-5].word, yyvsp[-2].pattern); ;
- break;}
-case 72:
-#line 573 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_case_command (yyvsp[-4].word, yyvsp[-1].pattern); ;
- break;}
-case 73:
-#line 577 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_function_def (yyvsp[-4].word, yyvsp[0].command, function_dstart, function_bstart); ;
- break;}
-case 74:
-#line 581 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_function_def (yyvsp[-4].word, yyvsp[0].command, function_dstart, function_bstart); ;
- break;}
-case 75:
-#line 584 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_function_def (yyvsp[-2].word, yyvsp[0].command, function_dstart, function_bstart); ;
- break;}
-case 76:
-#line 588 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyval.command = make_subshell_command (yyvsp[-1].command);
- yyval.command->flags |= CMD_WANT_SUBSHELL;
- ;
- break;}
-case 77:
-#line 595 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_if_command (yyvsp[-3].command, yyvsp[-1].command, (COMMAND *)NULL); ;
- break;}
-case 78:
-#line 597 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_if_command (yyvsp[-5].command, yyvsp[-3].command, yyvsp[-1].command); ;
- break;}
-case 79:
-#line 599 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_if_command (yyvsp[-4].command, yyvsp[-2].command, yyvsp[-1].command); ;
- break;}
-case 80:
-#line 604 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_group_command (yyvsp[-1].command); ;
- break;}
-case 81:
-#line 608 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_arith_command (yyvsp[0].word_list); ;
- break;}
-case 82:
-#line 612 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[-1].command; ;
- break;}
-case 83:
-#line 616 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_if_command (yyvsp[-2].command, yyvsp[0].command, (COMMAND *)NULL); ;
- break;}
-case 84:
-#line 618 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_if_command (yyvsp[-4].command, yyvsp[-2].command, yyvsp[0].command); ;
- break;}
-case 85:
-#line 620 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_if_command (yyvsp[-3].command, yyvsp[-1].command, yyvsp[0].command); ;
- break;}
-case 87:
-#line 625 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyvsp[0].pattern->next = yyvsp[-1].pattern; yyval.pattern = yyvsp[0].pattern; ;
- break;}
-case 88:
-#line 629 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.pattern = make_pattern_list (yyvsp[-2].word_list, yyvsp[0].command); ;
- break;}
-case 89:
-#line 631 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.pattern = make_pattern_list (yyvsp[-2].word_list, (COMMAND *)NULL); ;
- break;}
-case 90:
-#line 633 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.pattern = make_pattern_list (yyvsp[-2].word_list, yyvsp[0].command); ;
- break;}
-case 91:
-#line 635 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.pattern = make_pattern_list (yyvsp[-2].word_list, (COMMAND *)NULL); ;
- break;}
-case 93:
-#line 640 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyvsp[-1].pattern->next = yyvsp[-2].pattern; yyval.pattern = yyvsp[-1].pattern; ;
- break;}
-case 94:
-#line 644 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.word_list = make_word_list (yyvsp[0].word, (WORD_LIST *)NULL); ;
- break;}
-case 95:
-#line 646 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.word_list = make_word_list (yyvsp[0].word, yyvsp[-2].word_list); ;
- break;}
-case 96:
-#line 655 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyval.command = yyvsp[0].command;
+ else if (tc)
+ tc->redirects = (yyvsp[0].redirect);
+ (yyval.command) = make_coproc_command ("COPROC", (yyvsp[-1].command));
+ (yyval.command)->flags |= CMD_WANT_SUBSHELL|CMD_COPROC_SUBSHELL;
+ }
+#line 2924 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 107:
+#line 1000 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = make_coproc_command ((yyvsp[-1].word)->word, (yyvsp[0].command));
+ (yyval.command)->flags |= CMD_WANT_SUBSHELL|CMD_COPROC_SUBSHELL;
+ }
+#line 2933 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 108:
+#line 1005 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ COMMAND *tc;
+
+ tc = (yyvsp[-1].command);
+ if (tc && tc->redirects)
+ {
+ register REDIRECT *t;
+ for (t = tc->redirects; t->next; t = t->next)
+ ;
+ t->next = (yyvsp[0].redirect);
+ }
+ else if (tc)
+ tc->redirects = (yyvsp[0].redirect);
+ (yyval.command) = make_coproc_command ((yyvsp[-2].word)->word, (yyvsp[-1].command));
+ (yyval.command)->flags |= CMD_WANT_SUBSHELL|CMD_COPROC_SUBSHELL;
+ }
+#line 2954 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 109:
+#line 1022 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = make_coproc_command ("COPROC", clean_simple_command ((yyvsp[0].command)));
+ (yyval.command)->flags |= CMD_WANT_SUBSHELL|CMD_COPROC_SUBSHELL;
+ }
+#line 2963 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 110:
+#line 1029 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = make_if_command ((yyvsp[-3].command), (yyvsp[-1].command), (COMMAND *)NULL); }
+#line 2969 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 111:
+#line 1031 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = make_if_command ((yyvsp[-5].command), (yyvsp[-3].command), (yyvsp[-1].command)); }
+#line 2975 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 112:
+#line 1033 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = make_if_command ((yyvsp[-4].command), (yyvsp[-2].command), (yyvsp[-1].command)); }
+#line 2981 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 113:
+#line 1038 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = make_group_command ((yyvsp[-1].command)); }
+#line 2987 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 114:
+#line 1042 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = make_arith_command ((yyvsp[0].word_list)); }
+#line 2993 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 115:
+#line 1046 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = (yyvsp[-1].command); }
+#line 2999 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 116:
+#line 1050 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = make_if_command ((yyvsp[-2].command), (yyvsp[0].command), (COMMAND *)NULL); }
+#line 3005 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 117:
+#line 1052 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = make_if_command ((yyvsp[-4].command), (yyvsp[-2].command), (yyvsp[0].command)); }
+#line 3011 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 118:
+#line 1054 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = make_if_command ((yyvsp[-3].command), (yyvsp[-1].command), (yyvsp[0].command)); }
+#line 3017 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 120:
+#line 1059 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyvsp[0].pattern)->next = (yyvsp[-1].pattern); (yyval.pattern) = (yyvsp[0].pattern); }
+#line 3023 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 121:
+#line 1063 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.pattern) = make_pattern_list ((yyvsp[-2].word_list), (yyvsp[0].command)); }
+#line 3029 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 122:
+#line 1065 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.pattern) = make_pattern_list ((yyvsp[-2].word_list), (COMMAND *)NULL); }
+#line 3035 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 123:
+#line 1067 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.pattern) = make_pattern_list ((yyvsp[-2].word_list), (yyvsp[0].command)); }
+#line 3041 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 124:
+#line 1069 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.pattern) = make_pattern_list ((yyvsp[-2].word_list), (COMMAND *)NULL); }
+#line 3047 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 125:
+#line 1073 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.pattern) = (yyvsp[-1].pattern); }
+#line 3053 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 126:
+#line 1075 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyvsp[-1].pattern)->next = (yyvsp[-2].pattern); (yyval.pattern) = (yyvsp[-1].pattern); }
+#line 3059 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 127:
+#line 1077 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyvsp[-1].pattern)->flags |= CASEPAT_FALLTHROUGH; (yyval.pattern) = (yyvsp[-1].pattern); }
+#line 3065 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 128:
+#line 1079 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyvsp[-1].pattern)->flags |= CASEPAT_FALLTHROUGH; (yyvsp[-1].pattern)->next = (yyvsp[-2].pattern); (yyval.pattern) = (yyvsp[-1].pattern); }
+#line 3071 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 129:
+#line 1081 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyvsp[-1].pattern)->flags |= CASEPAT_TESTNEXT; (yyval.pattern) = (yyvsp[-1].pattern); }
+#line 3077 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 130:
+#line 1083 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyvsp[-1].pattern)->flags |= CASEPAT_TESTNEXT; (yyvsp[-1].pattern)->next = (yyvsp[-2].pattern); (yyval.pattern) = (yyvsp[-1].pattern); }
+#line 3083 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 131:
+#line 1087 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.word_list) = make_word_list ((yyvsp[0].word), (WORD_LIST *)NULL); }
+#line 3089 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 132:
+#line 1089 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.word_list) = make_word_list ((yyvsp[0].word), (yyvsp[-2].word_list)); }
+#line 3095 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 133:
+#line 1098 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = (yyvsp[0].command);
if (need_here_doc)
gather_here_documents ();
- ;
- break;}
-case 98:
-#line 664 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyval.command = yyvsp[0].command;
- ;
- break;}
-case 100:
-#line 671 "/usr/homes/chet/src/bash/src/parse.y"
-{
- if (yyvsp[-2].command->type == cm_connection)
- yyval.command = connect_async_list (yyvsp[-2].command, (COMMAND *)NULL, '&');
+ }
+#line 3105 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 135:
+#line 1107 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = (yyvsp[0].command);
+ }
+#line 3113 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 137:
+#line 1114 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ if ((yyvsp[-2].command)->type == cm_connection)
+ (yyval.command) = connect_async_list ((yyvsp[-2].command), (COMMAND *)NULL, '&');
else
- yyval.command = command_connect (yyvsp[-2].command, (COMMAND *)NULL, '&');
- ;
- break;}
-case 102:
-#line 682 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = command_connect (yyvsp[-3].command, yyvsp[0].command, AND_AND); ;
- break;}
-case 103:
-#line 684 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = command_connect (yyvsp[-3].command, yyvsp[0].command, OR_OR); ;
- break;}
-case 104:
-#line 686 "/usr/homes/chet/src/bash/src/parse.y"
-{
- if (yyvsp[-3].command->type == cm_connection)
- yyval.command = connect_async_list (yyvsp[-3].command, yyvsp[0].command, '&');
+ (yyval.command) = command_connect ((yyvsp[-2].command), (COMMAND *)NULL, '&');
+ }
+#line 3124 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 139:
+#line 1125 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = command_connect ((yyvsp[-3].command), (yyvsp[0].command), AND_AND); }
+#line 3130 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 140:
+#line 1127 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = command_connect ((yyvsp[-3].command), (yyvsp[0].command), OR_OR); }
+#line 3136 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 141:
+#line 1129 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ if ((yyvsp[-3].command)->type == cm_connection)
+ (yyval.command) = connect_async_list ((yyvsp[-3].command), (yyvsp[0].command), '&');
else
- yyval.command = command_connect (yyvsp[-3].command, yyvsp[0].command, '&');
- ;
- break;}
-case 105:
-#line 693 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = command_connect (yyvsp[-3].command, yyvsp[0].command, ';'); ;
- break;}
-case 106:
-#line 695 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = command_connect (yyvsp[-3].command, yyvsp[0].command, ';'); ;
- break;}
-case 107:
-#line 697 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 113:
-#line 716 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyval.command = yyvsp[0].command;
+ (yyval.command) = command_connect ((yyvsp[-3].command), (yyvsp[0].command), '&');
+ }
+#line 3147 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 142:
+#line 1136 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = command_connect ((yyvsp[-3].command), (yyvsp[0].command), ';'); }
+#line 3153 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 143:
+#line 1138 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = command_connect ((yyvsp[-3].command), (yyvsp[0].command), ';'); }
+#line 3159 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 144:
+#line 1140 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = (yyvsp[0].command); }
+#line 3165 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 147:
+#line 1148 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.number) = '\n'; }
+#line 3171 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 148:
+#line 1150 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.number) = ';'; }
+#line 3177 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 149:
+#line 1152 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.number) = yacc_EOF; }
+#line 3183 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 152:
+#line 1166 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = (yyvsp[0].command);
if (need_here_doc)
gather_here_documents ();
- ;
- break;}
-case 114:
-#line 722 "/usr/homes/chet/src/bash/src/parse.y"
-{
- if (yyvsp[-1].command->type == cm_connection)
- yyval.command = connect_async_list (yyvsp[-1].command, (COMMAND *)NULL, '&');
+ if ((parser_state & PST_CMDSUBST) && current_token == shell_eof_token)
+ {
+ global_command = (yyvsp[0].command);
+ eof_encountered = 0;
+ rewind_input_string ();
+ YYACCEPT;
+ }
+ }
+#line 3200 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 153:
+#line 1179 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ if ((yyvsp[-1].command)->type == cm_connection)
+ (yyval.command) = connect_async_list ((yyvsp[-1].command), (COMMAND *)NULL, '&');
else
- yyval.command = command_connect (yyvsp[-1].command, (COMMAND *)NULL, '&');
+ (yyval.command) = command_connect ((yyvsp[-1].command), (COMMAND *)NULL, '&');
if (need_here_doc)
gather_here_documents ();
- ;
- break;}
-case 115:
-#line 731 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyval.command = yyvsp[-1].command;
+ if ((parser_state & PST_CMDSUBST) && current_token == shell_eof_token)
+ {
+ global_command = (yyvsp[-1].command);
+ eof_encountered = 0;
+ rewind_input_string ();
+ YYACCEPT;
+ }
+ }
+#line 3220 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 154:
+#line 1195 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ (yyval.command) = (yyvsp[-1].command);
if (need_here_doc)
gather_here_documents ();
- ;
- break;}
-case 116:
-#line 739 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = command_connect (yyvsp[-3].command, yyvsp[0].command, AND_AND); ;
- break;}
-case 117:
-#line 741 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = command_connect (yyvsp[-3].command, yyvsp[0].command, OR_OR); ;
- break;}
-case 118:
-#line 743 "/usr/homes/chet/src/bash/src/parse.y"
-{
- if (yyvsp[-2].command->type == cm_connection)
- yyval.command = connect_async_list (yyvsp[-2].command, yyvsp[0].command, '&');
+ if ((parser_state & PST_CMDSUBST) && current_token == shell_eof_token)
+ {
+ global_command = (yyvsp[-1].command);
+ eof_encountered = 0;
+ rewind_input_string ();
+ YYACCEPT;
+ }
+ }
+#line 3237 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 155:
+#line 1210 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = command_connect ((yyvsp[-3].command), (yyvsp[0].command), AND_AND); }
+#line 3243 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 156:
+#line 1212 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = command_connect ((yyvsp[-3].command), (yyvsp[0].command), OR_OR); }
+#line 3249 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 157:
+#line 1214 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ if ((yyvsp[-2].command)->type == cm_connection)
+ (yyval.command) = connect_async_list ((yyvsp[-2].command), (yyvsp[0].command), '&');
else
- yyval.command = command_connect (yyvsp[-2].command, yyvsp[0].command, '&');
- ;
- break;}
-case 119:
-#line 750 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = command_connect (yyvsp[-2].command, yyvsp[0].command, ';'); ;
- break;}
-case 120:
-#line 753 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 121:
-#line 757 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 122:
-#line 759 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyvsp[0].command->flags |= CMD_INVERT_RETURN;
- yyval.command = yyvsp[0].command;
- ;
- break;}
-case 123:
-#line 764 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyvsp[0].command->flags |= yyvsp[-1].number;
- yyval.command = yyvsp[0].command;
- ;
- break;}
-case 124:
-#line 769 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyvsp[0].command->flags |= yyvsp[-2].number|CMD_INVERT_RETURN;
- yyval.command = yyvsp[0].command;
- ;
- break;}
-case 125:
-#line 774 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyvsp[0].command->flags |= yyvsp[-1].number|CMD_INVERT_RETURN;
- yyval.command = yyvsp[0].command;
- ;
- break;}
-case 126:
-#line 782 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = command_connect (yyvsp[-3].command, yyvsp[0].command, '|'); ;
- break;}
-case 127:
-#line 784 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 128:
-#line 788 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.number = CMD_TIME_PIPELINE; ;
- break;}
-case 129:
-#line 790 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.number = CMD_TIME_PIPELINE|CMD_TIME_POSIX; ;
- break;}
-}
- /* the action file gets copied in in place of this dollarsign */
-#line 498 "/usr/share/misc/bison.simple"
-\f
- yyvsp -= yylen;
- yyssp -= yylen;
-#ifdef YYLSP_NEEDED
- yylsp -= yylen;
-#endif
-
-#if YYDEBUG != 0
- if (yydebug)
+ (yyval.command) = command_connect ((yyvsp[-2].command), (yyvsp[0].command), '&');
+ }
+#line 3260 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 158:
+#line 1221 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = command_connect ((yyvsp[-2].command), (yyvsp[0].command), ';'); }
+#line 3266 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 159:
+#line 1224 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = (yyvsp[0].command); }
+#line 3272 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 160:
+#line 1228 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = (yyvsp[0].command); }
+#line 3278 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 161:
+#line 1230 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
{
- short *ssp1 = yyss - 1;
- fprintf (stderr, "state stack now");
- while (ssp1 != yyssp)
- fprintf (stderr, " %d", *++ssp1);
- fprintf (stderr, "\n");
- }
-#endif
-
- *++yyvsp = yyval;
-
-#ifdef YYLSP_NEEDED
- yylsp++;
- if (yylen == 0)
+ if ((yyvsp[0].command))
+ (yyvsp[0].command)->flags ^= CMD_INVERT_RETURN; /* toggle */
+ (yyval.command) = (yyvsp[0].command);
+ }
+#line 3288 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 162:
+#line 1236 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
{
- yylsp->first_line = yylloc.first_line;
- yylsp->first_column = yylloc.first_column;
- yylsp->last_line = (yylsp-1)->last_line;
- yylsp->last_column = (yylsp-1)->last_column;
- yylsp->text = 0;
- }
- else
+ if ((yyvsp[0].command))
+ (yyvsp[0].command)->flags |= (yyvsp[-1].number);
+ (yyval.command) = (yyvsp[0].command);
+ }
+#line 3298 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 163:
+#line 1242 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ ELEMENT x;
+
+ /* Boy, this is unclean. `time' by itself can
+ time a null command. We cheat and push a
+ newline back if the list_terminator was a newline
+ to avoid the double-newline problem (one to
+ terminate this, one to terminate the command) */
+ x.word = 0;
+ x.redirect = 0;
+ (yyval.command) = make_simple_command (x, (COMMAND *)NULL);
+ (yyval.command)->flags |= (yyvsp[-1].number);
+ /* XXX - let's cheat and push a newline back */
+ if ((yyvsp[0].number) == '\n')
+ token_to_read = '\n';
+ else if ((yyvsp[0].number) == ';')
+ token_to_read = ';';
+ parser_state &= ~PST_REDIRLIST; /* make_simple_command sets this */
+ }
+#line 3322 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 164:
+#line 1262 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ {
+ ELEMENT x;
+
+ /* This is just as unclean. Posix says that `!'
+ by itself should be equivalent to `false'.
+ We cheat and push a
+ newline back if the list_terminator was a newline
+ to avoid the double-newline problem (one to
+ terminate this, one to terminate the command) */
+ x.word = 0;
+ x.redirect = 0;
+ (yyval.command) = make_simple_command (x, (COMMAND *)NULL);
+ (yyval.command)->flags |= CMD_INVERT_RETURN;
+ /* XXX - let's cheat and push a newline back */
+ if ((yyvsp[0].number) == '\n')
+ token_to_read = '\n';
+ if ((yyvsp[0].number) == ';')
+ token_to_read = ';';
+ parser_state &= ~PST_REDIRLIST; /* make_simple_command sets this */
+ }
+#line 3347 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 165:
+#line 1285 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = command_connect ((yyvsp[-3].command), (yyvsp[0].command), '|'); }
+#line 3353 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 166:
+#line 1287 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
{
- yylsp->last_line = (yylsp+yylen-1)->last_line;
- yylsp->last_column = (yylsp+yylen-1)->last_column;
+ /* Make cmd1 |& cmd2 equivalent to cmd1 2>&1 | cmd2 */
+ COMMAND *tc;
+ REDIRECTEE rd, sd;
+ REDIRECT *r;
+
+ tc = (yyvsp[-3].command)->type == cm_simple ? (COMMAND *)(yyvsp[-3].command)->value.Simple : (yyvsp[-3].command);
+ sd.dest = 2;
+ rd.dest = 1;
+ r = make_redirection (sd, r_duplicating_output, rd, 0);
+ if (tc->redirects)
+ {
+ register REDIRECT *t;
+ for (t = tc->redirects; t->next; t = t->next)
+ ;
+ t->next = r;
+ }
+ else
+ tc->redirects = r;
+
+ (yyval.command) = command_connect ((yyvsp[-3].command), (yyvsp[0].command), '|');
+ }
+#line 3380 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 167:
+#line 1310 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.command) = (yyvsp[0].command); }
+#line 3386 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 168:
+#line 1314 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.number) = CMD_TIME_PIPELINE; }
+#line 3392 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 169:
+#line 1316 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.number) = CMD_TIME_PIPELINE|CMD_TIME_POSIX; }
+#line 3398 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+ case 170:
+#line 1318 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1648 */
+ { (yyval.number) = CMD_TIME_PIPELINE|CMD_TIME_POSIX; }
+#line 3404 "y.tab.c" /* yacc.c:1648 */
+ break;
+
+
+#line 3408 "y.tab.c" /* yacc.c:1648 */
+ default: break;
}
-#endif
+ /* User semantic actions sometimes alter yychar, and that requires
+ that yytoken be updated with the new translation. We take the
+ approach of translating immediately before every use of yytoken.
+ One alternative is translating here after every semantic action,
+ but that translation would be missed if the semantic action invokes
+ YYABORT, YYACCEPT, or YYERROR immediately after altering yychar or
+ if it invokes YYBACKUP. In the case of YYABORT or YYACCEPT, an
+ incorrect destructor might then be invoked immediately. In the
+ case of YYERROR or YYBACKUP, subsequent parser actions might lead
+ to an incorrect destructor call or verbose syntax error message
+ before the lookahead is translated. */
+ YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
+
+ YYPOPSTACK (yylen);
+ yylen = 0;
+ YY_STACK_PRINT (yyss, yyssp);
+
+ *++yyvsp = yyval;
- /* Now "shift" the result of the reduction.
- Determine what state that goes to,
- based on the state we popped back to
- and the rule number reduced by. */
+ /* Now 'shift' the result of the reduction. Determine what state
+ that goes to, based on the state we popped back to and the rule
+ number reduced by. */
yyn = yyr1[yyn];
- yystate = yypgoto[yyn - YYNTBASE] + *yyssp;
- if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
+ yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
+ if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
yystate = yytable[yystate];
else
- yystate = yydefgoto[yyn - YYNTBASE];
+ yystate = yydefgoto[yyn - YYNTOKENS];
goto yynewstate;
-yyerrlab: /* here on detecting error */
- if (! yyerrstatus)
- /* If not already recovering from an error, report this error. */
+/*--------------------------------------.
+| yyerrlab -- here on detecting error. |
+`--------------------------------------*/
+yyerrlab:
+ /* Make sure we have latest lookahead translation. See comments at
+ user semantic actions for why this is necessary. */
+ yytoken = yychar == YYEMPTY ? YYEMPTY : YYTRANSLATE (yychar);
+
+ /* If not already recovering from an error, report this error. */
+ if (!yyerrstatus)
{
++yynerrs;
+#if ! YYERROR_VERBOSE
+ yyerror (YY_("syntax error"));
+#else
+# define YYSYNTAX_ERROR yysyntax_error (&yymsg_alloc, &yymsg, \
+ yyssp, yytoken)
+ {
+ char const *yymsgp = YY_("syntax error");
+ int yysyntax_error_status;
+ yysyntax_error_status = YYSYNTAX_ERROR;
+ if (yysyntax_error_status == 0)
+ yymsgp = yymsg;
+ else if (yysyntax_error_status == 1)
+ {
+ if (yymsg != yymsgbuf)
+ YYSTACK_FREE (yymsg);
+ yymsg = (char *) YYSTACK_ALLOC (yymsg_alloc);
+ if (!yymsg)
+ {
+ yymsg = yymsgbuf;
+ yymsg_alloc = sizeof yymsgbuf;
+ yysyntax_error_status = 2;
+ }
+ else
+ {
+ yysyntax_error_status = YYSYNTAX_ERROR;
+ yymsgp = yymsg;
+ }
+ }
+ yyerror (yymsgp);
+ if (yysyntax_error_status == 2)
+ goto yyexhaustedlab;
+ }
+# undef YYSYNTAX_ERROR
+#endif
+ }
-#ifdef YYERROR_VERBOSE
- yyn = yypact[yystate];
- if (yyn > YYFLAG && yyn < YYLAST)
- {
- int size = 0;
- char *msg;
- int x, count;
-
- count = 0;
- /* Start X at -yyn if nec to avoid negative indexes in yycheck. */
- for (x = (yyn < 0 ? -yyn : 0);
- x < (sizeof(yytname) / sizeof(char *)); x++)
- if (yycheck[x + yyn] == x)
- size += strlen(yytname[x]) + 15, count++;
- msg = (char *) malloc(size + 15);
- if (msg != 0)
- {
- strcpy(msg, "parse error");
- if (count < 5)
- {
- count = 0;
- for (x = (yyn < 0 ? -yyn : 0);
- x < (sizeof(yytname) / sizeof(char *)); x++)
- if (yycheck[x + yyn] == x)
- {
- strcat(msg, count == 0 ? ", expecting `" : " or `");
- strcat(msg, yytname[x]);
- strcat(msg, "'");
- count++;
- }
- }
- yyerror(msg);
- free(msg);
- }
- else
- yyerror ("parse error; also virtual memory exceeded");
- }
+ if (yyerrstatus == 3)
+ {
+ /* If just tried and failed to reuse lookahead token after an
+ error, discard it. */
+
+ if (yychar <= YYEOF)
+ {
+ /* Return failure if at end of input. */
+ if (yychar == YYEOF)
+ YYABORT;
+ }
else
-#endif /* YYERROR_VERBOSE */
- yyerror("parse error");
+ {
+ yydestruct ("Error: discarding",
+ yytoken, &yylval);
+ yychar = YYEMPTY;
+ }
}
+ /* Else will try to reuse lookahead token after shifting the error
+ token. */
goto yyerrlab1;
-yyerrlab1: /* here on error raised explicitly by an action */
-
- if (yyerrstatus == 3)
- {
- /* if just tried and failed to reuse lookahead token after an error, discard it. */
- /* return failure if at end of input */
- if (yychar == YYEOF)
- YYABORT;
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]);
-#endif
-
- yychar = YYEMPTY;
- }
+/*---------------------------------------------------.
+| yyerrorlab -- error raised explicitly by YYERROR. |
+`---------------------------------------------------*/
+yyerrorlab:
- /* Else will try to reuse lookahead token
- after shifting the error token. */
+ /* Pacify compilers like GCC when the user code never invokes
+ YYERROR and the label yyerrorlab therefore never appears in user
+ code. */
+ if (/*CONSTCOND*/ 0)
+ goto yyerrorlab;
- yyerrstatus = 3; /* Each real token shifted decrements this */
+ /* Do not reclaim the symbols of the rule whose action triggered
+ this YYERROR. */
+ YYPOPSTACK (yylen);
+ yylen = 0;
+ YY_STACK_PRINT (yyss, yyssp);
+ yystate = *yyssp;
+ goto yyerrlab1;
- goto yyerrhandle;
-yyerrdefault: /* current state does not do anything special for the error token. */
+/*-------------------------------------------------------------.
+| yyerrlab1 -- common code for both syntax error and YYERROR. |
+`-------------------------------------------------------------*/
+yyerrlab1:
+ yyerrstatus = 3; /* Each real token shifted decrements this. */
-#if 0
- /* This is wrong; only states that explicitly want error tokens
- should shift them. */
- yyn = yydefact[yystate]; /* If its default is to accept any token, ok. Otherwise pop it.*/
- if (yyn) goto yydefault;
-#endif
+ for (;;)
+ {
+ yyn = yypact[yystate];
+ if (!yypact_value_is_default (yyn))
+ {
+ yyn += YYTERROR;
+ if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
+ {
+ yyn = yytable[yyn];
+ if (0 < yyn)
+ break;
+ }
+ }
-yyerrpop: /* pop the current state because it cannot handle the error token */
+ /* Pop the current state because it cannot handle the error token. */
+ if (yyssp == yyss)
+ YYABORT;
- if (yyssp == yyss) YYABORT;
- yyvsp--;
- yystate = *--yyssp;
-#ifdef YYLSP_NEEDED
- yylsp--;
-#endif
-#if YYDEBUG != 0
- if (yydebug)
- {
- short *ssp1 = yyss - 1;
- fprintf (stderr, "Error: state stack now");
- while (ssp1 != yyssp)
- fprintf (stderr, " %d", *++ssp1);
- fprintf (stderr, "\n");
+ yydestruct ("Error: popping",
+ yystos[yystate], yyvsp);
+ YYPOPSTACK (1);
+ yystate = *yyssp;
+ YY_STACK_PRINT (yyss, yyssp);
}
-#endif
-yyerrhandle:
+ YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+ *++yyvsp = yylval;
+ YY_IGNORE_MAYBE_UNINITIALIZED_END
- yyn = yypact[yystate];
- if (yyn == YYFLAG)
- goto yyerrdefault;
- yyn += YYTERROR;
- if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR)
- goto yyerrdefault;
+ /* Shift the error token. */
+ YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);
- yyn = yytable[yyn];
- if (yyn < 0)
- {
- if (yyn == YYFLAG)
- goto yyerrpop;
- yyn = -yyn;
- goto yyreduce;
- }
- else if (yyn == 0)
- goto yyerrpop;
+ yystate = yyn;
+ goto yynewstate;
- if (yyn == YYFINAL)
- YYACCEPT;
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Shifting error token, ");
+/*-------------------------------------.
+| yyacceptlab -- YYACCEPT comes here. |
+`-------------------------------------*/
+yyacceptlab:
+ yyresult = 0;
+ goto yyreturn;
+
+/*-----------------------------------.
+| yyabortlab -- YYABORT comes here. |
+`-----------------------------------*/
+yyabortlab:
+ yyresult = 1;
+ goto yyreturn;
+
+#if !defined yyoverflow || YYERROR_VERBOSE
+/*-------------------------------------------------.
+| yyexhaustedlab -- memory exhaustion comes here. |
+`-------------------------------------------------*/
+yyexhaustedlab:
+ yyerror (YY_("memory exhausted"));
+ yyresult = 2;
+ /* Fall through. */
#endif
- *++yyvsp = yylval;
-#ifdef YYLSP_NEEDED
- *++yylsp = yylloc;
+yyreturn:
+ if (yychar != YYEMPTY)
+ {
+ /* Make sure we have latest lookahead translation. See comments at
+ user semantic actions for why this is necessary. */
+ yytoken = YYTRANSLATE (yychar);
+ yydestruct ("Cleanup: discarding lookahead",
+ yytoken, &yylval);
+ }
+ /* Do not reclaim the symbols of the rule whose action triggered
+ this YYABORT or YYACCEPT. */
+ YYPOPSTACK (yylen);
+ YY_STACK_PRINT (yyss, yyssp);
+ while (yyssp != yyss)
+ {
+ yydestruct ("Cleanup: popping",
+ yystos[*yyssp], yyvsp);
+ YYPOPSTACK (1);
+ }
+#ifndef yyoverflow
+ if (yyss != yyssa)
+ YYSTACK_FREE (yyss);
#endif
-
- yystate = yyn;
- goto yynewstate;
+#if YYERROR_VERBOSE
+ if (yymsg != yymsgbuf)
+ YYSTACK_FREE (yymsg);
+#endif
+ return yyresult;
}
-#line 792 "/usr/homes/chet/src/bash/src/parse.y"
-
-
-/* Possible states for the parser that require it to do special things. */
-#define PST_CASEPAT 0x001 /* in a case pattern list */
-#define PST_ALEXPNEXT 0x002 /* expand next word for aliases */
-#define PST_ALLOWOPNBRC 0x004 /* allow open brace for function def */
-#define PST_NEEDCLOSBRC 0x008 /* need close brace */
-#define PST_DBLPAREN 0x010 /* double-paren parsing */
-#define PST_SUBSHELL 0x020 /* ( ... ) subshell */
-#define PST_CMDSUBST 0x040 /* $( ... ) command substitution */
-#define PST_CASESTMT 0x080 /* parsing a case statement */
-#define PST_CONDCMD 0x100 /* parsing a [[...]] command */
-#define PST_CONDEXPR 0x200 /* parsing the guts of [[...]] */
-#define PST_ARITHFOR 0x400 /* parsing an arithmetic for command */
+#line 1320 "/usr/homes/chet/src/bash/src/parse.y" /* yacc.c:1907 */
+
/* Initial size to allocate for tokens, and the
amount to grow them by. */
#define TOKEN_DEFAULT_INITIAL_SIZE 496
#define TOKEN_DEFAULT_GROW_SIZE 512
-/* Shell meta-characters that, when unquoted, separate words. */
-#define shellmeta(c) (strchr (shell_meta_chars, (c)) != 0)
-#define shellbreak(c) (strchr (shell_break_chars, (c)) != 0)
-#define shellquote(c) ((c) == '"' || (c) == '`' || (c) == '\'')
-#define shellexp(c) ((c) == '$' || (c) == '<' || (c) == '>')
-
-char *shell_meta_chars = "()<>;&|";
-char *shell_break_chars = "()<>;&| \t\n";
-
-/* The token currently being read. */
-static int current_token;
-
-/* The last read token, or NULL. read_token () uses this for context
- checking. */
-static int last_read_token;
-
-/* The token read prior to last_read_token. */
-static int token_before_that;
-
-/* The token read prior to token_before_that. */
-static int two_tokens_ago;
-
-/* If non-zero, it is the token that we want read_token to return
- regardless of what text is (or isn't) present to be read. This
- is reset by read_token. If token_to_read == WORD or
- ASSIGNMENT_WORD, yylval.word should be set to word_desc_to_read. */
-static int token_to_read;
-static WORD_DESC *word_desc_to_read;
+/* Should we call prompt_again? */
+#define SHOULD_PROMPT() \
+ (interactive && (bash_input.type == st_stdin || bash_input.type == st_stream))
-/* The current parser state. */
-static int parser_state;
+#if defined (ALIAS)
+# define expanding_alias() (pushed_string_list && pushed_string_list->expander)
+#else
+# define expanding_alias() 0
+#endif
/* Global var is non-zero when end of file has been reached. */
int EOF_Reached = 0;
-void
+#ifdef DEBUG
+static void
debug_parser (i)
int i;
{
#if YYDEBUG != 0
yydebug = i;
+ yyoutstream = stdout;
+ yyerrstream = stderr;
#endif
}
+#endif
/* yy_getc () returns the next available character from input or EOF.
yy_ungetc (c) makes `c' the next character to read.
bash_input.name = (char *)NULL;
bash_input.location.file = (FILE *)NULL;
bash_input.location.string = (char *)NULL;
- bash_input.getter = (Function *)NULL;
- bash_input.ungetter = (Function *)NULL;
+ bash_input.getter = (sh_cget_func_t *)NULL;
+ bash_input.ungetter = (sh_cunget_func_t *)NULL;
}
/* Set the contents of the current bash input stream from
GET, UNGET, TYPE, NAME, and LOCATION. */
void
init_yy_io (get, unget, type, name, location)
- Function *get, *unget;
+ sh_cget_func_t *get;
+ sh_cunget_func_t *unget;
enum stream_type type;
- char *name;
+ const char *name;
INPUT_STREAM location;
{
bash_input.type = type;
bash_input.ungetter = unget;
}
+char *
+yy_input_name ()
+{
+ return (bash_input.name ? bash_input.name : "stdin");
+}
+
/* Call this to get the next character of input. */
-int
+static int
yy_getc ()
{
return (*(bash_input.getter)) ();
/* Call this to unget C. That is, to make C the next character
to be read. */
-int
+static int
yy_ungetc (c)
int c;
{
}
#if defined (BUFFERED_INPUT)
+#ifdef INCLUDE_UNUSED
int
input_file_descriptor ()
{
return (fileno (stdin));
}
}
+#endif
#endif /* BUFFERED_INPUT */
/* **************************************************************** */
yy_readline_get ()
{
SigHandler *old_sigint;
- int line_len, c;
+ int line_len;
+ unsigned char c;
- if (!current_readline_line)
+ if (current_readline_line == 0)
{
- if (!bash_readline_initialized)
+ if (bash_readline_initialized == 0)
initialize_readline ();
#if defined (JOB_CONTROL)
if (job_control)
- give_terminal_to (shell_pgrp);
+ give_terminal_to (shell_pgrp, 0);
#endif /* JOB_CONTROL */
+ old_sigint = IMPOSSIBLE_TRAP_HANDLER;
if (signal_is_ignored (SIGINT) == 0)
{
+ /* interrupt_immediately++; */
old_sigint = (SigHandler *)set_signal_handler (SIGINT, sigint_sighandler);
- interrupt_immediately++;
}
+ sh_unset_nodelay_mode (fileno (rl_instream)); /* just in case */
current_readline_line = readline (current_readline_prompt ?
current_readline_prompt : "");
+ CHECK_TERMSIG;
if (signal_is_ignored (SIGINT) == 0)
{
- interrupt_immediately--;
- set_signal_handler (SIGINT, old_sigint);
+ /* interrupt_immediately--; */
+ if (old_sigint != IMPOSSIBLE_TRAP_HANDLER)
+ set_signal_handler (SIGINT, old_sigint);
}
#if 0
current_readline_line_index = 0;
line_len = strlen (current_readline_line);
- current_readline_line = xrealloc (current_readline_line, 2 + line_len);
+ current_readline_line = (char *)xrealloc (current_readline_line, 2 + line_len);
current_readline_line[line_len++] = '\n';
current_readline_line[line_len] = '\0';
}
}
else
{
- c = (unsigned char)current_readline_line[current_readline_line_index++];
+ c = current_readline_line[current_readline_line_index++];
return (c);
}
}
yy_string_get ()
{
register char *string;
- register int c;
+ register unsigned char c;
string = bash_input.location.string;
- c = EOF;
/* If the string doesn't exist, or is empty, EOF found. */
if (string && *string)
{
- c = *(unsigned char *)string++;
+ c = *string++;
bash_input.location.string = string;
+ return (c);
}
- return (c);
+ else
+ return (EOF);
}
static int
void
with_input_from_string (string, name)
- char *string, *name;
+ char *string;
+ const char *name;
{
INPUT_STREAM location;
init_yy_io (yy_string_get, yy_string_unget, st_string, name, location);
}
+/* Count the number of characters we've consumed from bash_input.location.string
+ and read into shell_input_line, but have not returned from shell_getc.
+ That is the true input location. Rewind bash_input.location.string by
+ that number of characters, so it points to the last character actually
+ consumed by the parser. */
+static void
+rewind_input_string ()
+{
+ int xchars;
+
+ /* number of unconsumed characters in the input -- XXX need to take newlines
+ into account, e.g., $(...\n) */
+ xchars = shell_input_line_len - shell_input_line_index;
+ if (bash_input.location.string[-1] == '\n')
+ xchars++;
+
+ /* XXX - how to reflect bash_input.location.string back to string passed to
+ parse_and_execute or xparse_dolparen? xparse_dolparen needs to know how
+ far into the string we parsed. parse_and_execute knows where bash_input.
+ location.string is, and how far from orig_string that is -- that's the
+ number of characters the command consumed. */
+
+ /* bash_input.location.string - xchars should be where we parsed to */
+ /* need to do more validation on xchars value for sanity -- test cases. */
+ bash_input.location.string -= xchars;
+}
+
/* **************************************************************** */
/* */
/* Let input come from STREAM. */
result = EOF;
if (bash_input.location.file)
- result = getc_with_restart (bash_input.location.file);
-
+ {
+ /* XXX - don't need terminate_immediately; getc_with_restart checks
+ for terminating signals itself if read returns < 0 */
+ result = getc_with_restart (bash_input.location.file);
+ }
return (result);
}
void
with_input_from_stream (stream, name)
FILE *stream;
- char *name;
+ const char *name;
{
INPUT_STREAM location;
/* The globally known line number. */
int line_number = 0;
+/* The line number offset set by assigning to LINENO. Not currently used. */
+int line_number_base = 0;
+
#if defined (COND_COMMAND)
static int cond_lineno;
static int cond_token;
save stack, update the buffered fd to the new file descriptor and
re-establish the buffer <-> bash_input fd correspondence. */
if (bash_input.type == st_bstream && bash_input.location.buffered_fd >= 0)
- {
- if (bash_input_fd_changed)
+ {
+ if (bash_input_fd_changed)
{
bash_input_fd_changed = 0;
if (default_buffered_input >= 0)
{
bash_input.location.buffered_fd = default_buffered_input;
saver->bstream->b_fd = default_buffered_input;
+ SET_CLOSE_ON_EXEC (default_buffered_input);
}
}
+ /* XXX could free buffered stream returned as result here. */
set_buffered_stream (bash_input.location.buffered_fd, saver->bstream);
- }
+ }
#endif /* BUFFERED_INPUT */
line_number = saver->line;
{
int *ret;
- ret = (int *)xmalloc (3 * sizeof (int));
+ ret = (int *)xmalloc (4 * sizeof (int));
ret[0] = last_read_token;
ret[1] = token_before_that;
ret[2] = two_tokens_ago;
+ ret[3] = current_token;
return ret;
}
last_read_token = ts[0];
token_before_that = ts[1];
two_tokens_ago = ts[2];
+ current_token = ts[3];
}
/*
#if defined (ALIAS) || defined (DPAREN_ARITHMETIC)
-#if !defined (ALIAS)
-typedef void *alias_t;
-#endif
-
#define END_OF_ALIAS 0
/*
* implement alias expansion on a per-token basis.
*/
+#define PSH_ALIAS 0x01
+#define PSH_DPAREN 0x02
+#define PSH_SOURCE 0x04
+
typedef struct string_saver {
struct string_saver *next;
int expand_alias; /* Value to set expand_alias to when string is popped. */
#if defined (ALIAS)
alias_t *expander; /* alias that caused this line to be pushed. */
#endif
- int saved_line_size, saved_line_index, saved_line_terminator;
+ size_t saved_line_size, saved_line_index;
+ int saved_line_terminator;
+ int flags;
} STRING_SAVER;
STRING_SAVER *pushed_string_list = (STRING_SAVER *)NULL;
int expand;
alias_t *ap;
{
- STRING_SAVER *temp = (STRING_SAVER *) xmalloc (sizeof (STRING_SAVER));
+ STRING_SAVER *temp = (STRING_SAVER *)xmalloc (sizeof (STRING_SAVER));
temp->expand_alias = expand;
temp->saved_line = shell_input_line;
temp->saved_line_size = shell_input_line_size;
temp->saved_line_index = shell_input_line_index;
temp->saved_line_terminator = shell_input_line_terminator;
+ temp->flags = 0;
#if defined (ALIAS)
temp->expander = ap;
+ if (ap)
+ temp->flags = PSH_ALIAS;
#endif
temp->next = pushed_string_list;
pushed_string_list = temp;
#endif
shell_input_line = s;
- shell_input_line_size = strlen (s);
+ shell_input_line_size = STRLEN (s);
shell_input_line_index = 0;
shell_input_line_terminator = '\0';
- parser_state &= ~PST_ALEXPNEXT;
+#if 0
+ parser_state &= ~PST_ALEXPNEXT; /* XXX */
+#endif
+
+ set_line_mbstate ();
}
/*
#endif
free ((char *)t);
+
+ set_line_mbstate ();
}
static void
#endif /* ALIAS || DPAREN_ARITHMETIC */
+void
+free_pushed_string_input ()
+{
+#if defined (ALIAS) || defined (DPAREN_ARITHMETIC)
+ free_string_list ();
+#endif
+}
+
+int
+parser_expanding_alias ()
+{
+ return (expanding_alias ());
+}
+
+void
+parser_save_alias ()
+{
+#if defined (ALIAS) || defined (DPAREN_ARITHMETIC)
+ push_string ((char *)NULL, 0, (alias_t *)NULL);
+ pushed_string_list->flags = PSH_SOURCE; /* XXX - for now */
+#else
+ ;
+#endif
+}
+
+void
+parser_restore_alias ()
+{
+#if defined (ALIAS) || defined (DPAREN_ARITHMETIC)
+ if (pushed_string_list)
+ pop_string ();
+#else
+ ;
+#endif
+}
+
+#if defined (ALIAS)
+/* Before freeing AP, make sure that there aren't any cases of pointer
+ aliasing that could cause us to reference freed memory later on. */
+void
+clear_string_list_expander (ap)
+ alias_t *ap;
+{
+ register STRING_SAVER *t;
+
+ for (t = pushed_string_list; t; t = t->next)
+ {
+ if (t->expander && t->expander == ap)
+ t->expander = 0;
+ }
+}
+#endif
+
+void
+clear_shell_input_line ()
+{
+ if (shell_input_line)
+ shell_input_line[shell_input_line_index = 0] = '\0';
+}
+
/* Return a line of text, taken from wherever yylex () reads input.
If there is no more input, then we return NULL. If REMOVE_QUOTED_NEWLINE
is non-zero, we remove unquoted \<newline> pairs. This is used by
{
static char *line_buffer = (char *)NULL;
static int buffer_size = 0;
- int indx = 0, c, peekc, pass_next;
+ int indx, c, peekc, pass_next;
#if defined (READLINE)
- if (interactive && bash_input.type != st_string && no_line_editing)
+ if (no_line_editing && SHOULD_PROMPT ())
#else
- if (interactive && bash_input.type != st_string)
+ if (SHOULD_PROMPT ())
#endif
print_prompt ();
- pass_next = 0;
+ pass_next = indx = 0;
while (1)
{
- c = yy_getc ();
-
/* Allow immediate exit if interrupted during input. */
QUIT;
+ c = yy_getc ();
+
+ /* Ignore null bytes in input. */
if (c == 0)
- continue;
+ {
+#if 0
+ internal_warning ("read_a_line: ignored null byte in input");
+#endif
+ continue;
+ }
/* If there is no more input, then we return NULL. */
if (c == EOF)
c = '\n';
}
- /* `+2' in case the final character in the buffer is a newline. */
+ /* `+2' in case the final character in the buffer is a newline or we
+ have to handle CTLESC or CTLNUL. */
RESIZE_MALLOCED_BUFFER (line_buffer, indx, 2, buffer_size, 128);
/* IF REMOVE_QUOTED_NEWLINES is non-zero, we are reading a
need to treat the backslash specially only if a backslash
quoting a backslash-newline pair appears in the line. */
if (pass_next)
- {
+ {
line_buffer[indx++] = c;
pass_next = 0;
- }
+ }
else if (c == '\\' && remove_quoted_newline)
{
+ QUIT;
peekc = yy_getc ();
if (peekc == '\n')
- continue; /* Make the unquoted \<newline> pair disappear. */
+ {
+ line_number++;
+ continue; /* Make the unquoted \<newline> pair disappear. */
+ }
else
{
yy_ungetc (peekc);
}
}
else
- line_buffer[indx++] = c;
-
+ {
+ /* remove_quoted_newline is non-zero if the here-document delimiter
+ is unquoted. In this case, we will be expanding the lines and
+ need to make sure CTLESC and CTLNUL in the input are quoted. */
+ if (remove_quoted_newline && (c == CTLESC || c == CTLNUL))
+ line_buffer[indx++] = CTLESC;
+ line_buffer[indx++] = c;
+ }
+
if (c == '\n')
{
line_buffer[indx] = '\0';
read_secondary_line (remove_quoted_newline)
int remove_quoted_newline;
{
+ char *ret;
+ int n, c;
+
prompt_string_pointer = &ps2_prompt;
- prompt_again ();
- return (read_a_line (remove_quoted_newline));
+ if (SHOULD_PROMPT())
+ prompt_again ();
+ ret = read_a_line (remove_quoted_newline);
+#if defined (HISTORY)
+ if (ret && remember_on_history && (parser_state & PST_HEREDOC))
+ {
+ /* To make adding the here-document body right, we need to rely on
+ history_delimiting_chars() returning \n for the first line of the
+ here-document body and the null string for the second and subsequent
+ lines, so we avoid double newlines.
+ current_command_line_count == 2 for the first line of the body. */
+
+ current_command_line_count++;
+ maybe_add_history (ret);
+ }
+#endif /* HISTORY */
+ return ret;
}
/* **************************************************************** */
{ "[[", COND_START },
{ "]]", COND_END },
#endif
+#if defined (COPROCESS_SUPPORT)
+ { "coproc", COPROC },
+#endif
+ { (char *)NULL, 0}
+};
+
+/* other tokens that can be returned by read_token() */
+STRING_INT_ALIST other_token_alist[] = {
+ /* Multiple-character tokens with special values */
+ { "--", TIMEIGN },
+ { "-p", TIMEOPT },
+ { "&&", AND_AND },
+ { "||", OR_OR },
+ { ">>", GREATER_GREATER },
+ { "<<", LESS_LESS },
+ { "<&", LESS_AND },
+ { ">&", GREATER_AND },
+ { ";;", SEMI_SEMI },
+ { ";&", SEMI_AND },
+ { ";;&", SEMI_SEMI_AND },
+ { "<<-", LESS_LESS_MINUS },
+ { "<<<", LESS_LESS_LESS },
+ { "&>", AND_GREATER },
+ { "&>>", AND_GREATER_GREATER },
+ { "<>", LESS_GREATER },
+ { ">|", GREATER_BAR },
+ { "|&", BAR_AND },
+ { "EOF", yacc_EOF },
+ /* Tokens whose value is the character itself */
+ { ">", '>' },
+ { "<", '<' },
+ { "-", '-' },
+ { "{", '{' },
+ { "}", '}' },
+ { ";", ';' },
+ { "(", '(' },
+ { ")", ')' },
+ { "|", '|' },
+ { "&", '&' },
+ { "newline", '\n' },
{ (char *)NULL, 0}
};
-/* XXX - we should also have an alist with strings for other tokens, so we
- can give more descriptive error messages. Look at y.tab.h for the
- other tokens. */
+/* others not listed here:
+ WORD look at yylval.word
+ ASSIGNMENT_WORD look at yylval.word
+ NUMBER look at yylval.number
+ ARITH_CMD look at yylval.word_list
+ ARITH_FOR_EXPRS look at yylval.word_list
+ COND_CMD look at yylval.command
+*/
/* These are used by read_token_word, but appear up here so that shell_getc
can use them to decide when to add otherwise blank lines to the history. */
do \
{ \
if (ds.delimiter_depth + 2 > ds.delimiter_space) \
- ds.delimiters = xrealloc \
+ ds.delimiters = (char *)xrealloc \
(ds.delimiters, (ds.delimiter_space += 10) * sizeof (char)); \
ds.delimiters[ds.delimiter_depth] = character; \
ds.delimiter_depth++; \
read the next line. This is called by read_token when the shell is
processing normal command input. */
+/* This implements one-character lookahead/lookbehind across physical input
+ lines, to avoid something being lost because it's pushed back with
+ shell_ungetc when we're at the start of a line. */
+static int eol_ungetc_lookahead = 0;
+
static int
shell_getc (remove_quoted_newline)
int remove_quoted_newline;
{
register int i;
- int c;
- static int mustpop = 0;
+ int c, truncating, last_was_backslash;
+ unsigned char uc;
QUIT;
+ last_was_backslash = 0;
+ if (sigwinch_received)
+ {
+ sigwinch_received = 0;
+ get_new_window_size (0, (int *)0, (int *)0);
+ }
+
+ if (eol_ungetc_lookahead)
+ {
+ c = eol_ungetc_lookahead;
+ eol_ungetc_lookahead = 0;
+ return (c);
+ }
+
#if defined (ALIAS) || defined (DPAREN_ARITHMETIC)
/* If shell_input_line[shell_input_line_index] == 0, but there is
something on the pushed list of strings, then we don't want to go
{
line_number++;
+ /* Let's not let one really really long line blow up memory allocation */
+ if (shell_input_line && shell_input_line_size >= 32768)
+ {
+ free (shell_input_line);
+ shell_input_line = 0;
+ shell_input_line_size = 0;
+ }
+
restart_read:
/* Allow immediate exit if interrupted during input. */
QUIT;
- i = 0;
+ i = truncating = 0;
shell_input_line_terminator = 0;
+ /* If the shell is interatctive, but not currently printing a prompt
+ (interactive_shell && interactive == 0), we don't want to print
+ notifies or cleanup the jobs -- we want to defer it until we do
+ print the next prompt. */
+ if (interactive_shell == 0 || SHOULD_PROMPT())
+ {
#if defined (JOB_CONTROL)
/* This can cause a problem when reading a command as the result
of a trap, when the trap is called from flush_child. This call
had better not cause jobs to disappear from the job table in
that case, or we will have big trouble. */
- notify_and_cleanup ();
+ notify_and_cleanup ();
#else /* !JOB_CONTROL */
- cleanup_dead_jobs ();
+ cleanup_dead_jobs ();
#endif /* !JOB_CONTROL */
+ }
#if defined (READLINE)
- if (interactive && bash_input.type != st_string && no_line_editing)
+ if (no_line_editing && SHOULD_PROMPT())
#else
- if (interactive && bash_input.type != st_string)
+ if (SHOULD_PROMPT())
#endif
print_prompt ();
if (bash_input.type == st_stream)
clearerr (stdin);
- while (c = yy_getc ())
+ while (1)
{
+ c = yy_getc ();
+
/* Allow immediate exit if interrupted during input. */
QUIT;
- RESIZE_MALLOCED_BUFFER (shell_input_line, i, 2, shell_input_line_size, 256);
+ if (c == '\0')
+ {
+#if 0
+ internal_warning ("shell_getc: ignored null byte in input");
+#endif
+ /* If we get EOS while parsing a string, treat it as EOF so we
+ don't just keep looping. Happens very rarely */
+ if (bash_input.type == st_string)
+ {
+ if (i == 0)
+ shell_input_line_terminator = EOF;
+ shell_input_line[i] = '\0';
+ c = EOF;
+ break;
+ }
+ continue;
+ }
+
+ /* Theoretical overflow */
+ /* If we can't put 256 bytes more into the buffer, allocate
+ everything we can and fill it as full as we can. */
+ /* XXX - we ignore rest of line using `truncating' flag */
+ if (shell_input_line_size > (SIZE_MAX - 256))
+ {
+ size_t n;
+
+ n = SIZE_MAX - i; /* how much more can we put into the buffer? */
+ if (n <= 2) /* we have to save 1 for the newline added below */
+ {
+ if (truncating == 0)
+ internal_warning(_("shell_getc: shell_input_line_size (%zu) exceeds SIZE_MAX (%lu): line truncated"), shell_input_line_size, (unsigned long)SIZE_MAX);
+ shell_input_line[i] = '\0';
+ truncating = 1;
+ }
+ if (shell_input_line_size < SIZE_MAX)
+ {
+ shell_input_line_size = SIZE_MAX;
+ shell_input_line = xrealloc (shell_input_line, shell_input_line_size);
+ }
+ }
+ else
+ RESIZE_MALLOCED_BUFFER (shell_input_line, i, 2, shell_input_line_size, 256);
if (c == EOF)
{
break;
}
- shell_input_line[i++] = c;
+ if (truncating == 0 || c == '\n')
+ shell_input_line[i++] = c;
if (c == '\n')
{
current_command_line_count++;
break;
}
+
+ last_was_backslash = last_was_backslash == 0 && c == '\\';
}
+
shell_input_line_index = 0;
shell_input_line_len = i; /* == strlen (shell_input_line) */
+ set_line_mbstate ();
+
#if defined (HISTORY)
if (remember_on_history && shell_input_line && shell_input_line[0])
{
char *expansions;
# if defined (BANG_HISTORY)
- int old_hist;
-
/* If the current delimiter is a single quote, we should not be
performing history expansion, even if we're on a different
line from the original single quote. */
- old_hist = history_expansion_inhibited;
if (current_delimiter (dstack) == '\'')
- history_expansion_inhibited = 1;
+ history_quoting_state = '\'';
+ else if (current_delimiter (dstack) == '"')
+ history_quoting_state = '"';
+ else
+ history_quoting_state = 0;
# endif
+ /* Calling with a third argument of 1 allows remember_on_history to
+ determine whether or not the line is saved to the history list */
expansions = pre_process_line (shell_input_line, 1, 1);
# if defined (BANG_HISTORY)
- history_expansion_inhibited = old_hist;
+ history_quoting_state = 0;
# endif
if (expansions != shell_input_line)
{
shell_input_line = expansions;
shell_input_line_len = shell_input_line ?
strlen (shell_input_line) : 0;
- if (!shell_input_line_len)
+ if (shell_input_line_len == 0)
current_command_line_count--;
/* We have to force the xrealloc below because we don't know
- the true allocated size of shell_input_line anymore. */
+ the true allocated size of shell_input_line anymore. */
shell_input_line_size = shell_input_line_len;
+
+ set_line_mbstate ();
}
}
- /* XXX - this is grotesque */
+ /* Try to do something intelligent with blank lines encountered while
+ entering multi-line commands. XXX - this is grotesque */
else if (remember_on_history && shell_input_line &&
shell_input_line[0] == '\0' &&
- current_command_line_count > 1 && current_delimiter (dstack))
+ current_command_line_count > 1)
{
- /* We know shell_input_line[0] == 0 and we're reading some sort of
- quoted string. This means we've got a line consisting of only
- a newline in a quoted string. We want to make sure this line
- gets added to the history. */
- maybe_add_history (shell_input_line);
+ if (current_delimiter (dstack))
+ /* We know shell_input_line[0] == 0 and we're reading some sort of
+ quoted string. This means we've got a line consisting of only
+ a newline in a quoted string. We want to make sure this line
+ gets added to the history. */
+ maybe_add_history (shell_input_line);
+ else
+ {
+ char *hdcs;
+ hdcs = history_delimiting_chars (shell_input_line);
+ if (hdcs && hdcs[0] == ';')
+ maybe_add_history (shell_input_line);
+ }
}
#endif /* HISTORY */
if (shell_input_line)
{
/* Lines that signify the end of the shell's input should not be
- echoed. */
+ echoed. We should not echo lines while parsing command
+ substitutions with recursive calls into the parsing engine; those
+ should only be echoed once when we read the word. That is the
+ reason for the test against shell_eof_token, which is set to a
+ right paren when parsing the contents of command substitutions. */
if (echo_input_at_read && (shell_input_line[0] ||
- shell_input_line_terminator != EOF))
+ shell_input_line_terminator != EOF) &&
+ shell_eof_token == 0)
fprintf (stderr, "%s\n", shell_input_line);
}
else
{
shell_input_line_size = 0;
prompt_string_pointer = ¤t_prompt_string;
- prompt_again ();
+ if (SHOULD_PROMPT ())
+ prompt_again ();
goto restart_read;
}
not already end in an EOF character. */
if (shell_input_line_terminator != EOF)
{
- if (shell_input_line_len + 3 > shell_input_line_size)
- shell_input_line = xrealloc (shell_input_line,
+ if (shell_input_line_size < SIZE_MAX-3 && (shell_input_line_len+3 > shell_input_line_size))
+ shell_input_line = (char *)xrealloc (shell_input_line,
1 + (shell_input_line_size += 2));
- shell_input_line[shell_input_line_len] = '\n';
+ /* Don't add a newline to a string that ends with a backslash if we're
+ going to be removing quoted newlines, since that will eat the
+ backslash. Add another backslash instead (will be removed by
+ word expansion). */
+ if (bash_input.type == st_string && expanding_alias() == 0 && last_was_backslash && c == EOF && remove_quoted_newline)
+ shell_input_line[shell_input_line_len] = '\\';
+ else
+ shell_input_line[shell_input_line_len] = '\n';
shell_input_line[shell_input_line_len + 1] = '\0';
+
+ set_line_mbstate ();
}
}
- c = shell_input_line[shell_input_line_index];
+next_alias_char:
+ uc = shell_input_line[shell_input_line_index];
- if (c)
+ if (uc)
shell_input_line_index++;
- if (c == '\\' && remove_quoted_newline &&
- shell_input_line[shell_input_line_index] == '\n')
- {
- prompt_again ();
- line_number++;
- goto restart_read;
- }
-
#if defined (ALIAS) || defined (DPAREN_ARITHMETIC)
- /* If C is NULL, we have reached the end of the current input string. If
+ /* If UC is NULL, we have reached the end of the current input string. If
pushed_string_list is non-empty, it's time to pop to the previous string
because we have fully consumed the result of the last alias expansion.
Do it transparently; just return the next character of the string popped
to. */
- if (!c && (pushed_string_list != (STRING_SAVER *)NULL))
+ /* If pushed_string_list != 0 but pushed_string_list->expander == 0 (not
+ currently tested) and the flags value is not PSH_SOURCE, we are not
+ parsing an alias, we have just saved one (push_string, when called by
+ the parse_dparen code) In this case, just go on as well. The PSH_SOURCE
+ case is handled below. */
+
+ /* If we're at the end of an alias expansion add a space to make sure that
+ the alias remains marked as being in use while we expand its last word.
+ This makes sure that pop_string doesn't mark the alias as not in use
+ before the string resulting from the alias expansion is tokenized and
+ checked for alias expansion, preventing recursion. At this point, the
+ last character in shell_input_line is the last character of the alias
+ expansion. We test that last character to determine whether or not to
+ return the space that will delimit the token and postpone the pop_string.
+ This set of conditions duplicates what used to be in mk_alexpansion ()
+ below, with the addition that we don't add a space if we're currently
+ reading a quoted string or in a shell comment. */
+#ifndef OLD_ALIAS_HACK
+ if (uc == 0 && pushed_string_list && pushed_string_list->flags != PSH_SOURCE &&
+ pushed_string_list->flags != PSH_DPAREN &&
+ (parser_state & PST_COMMENT) == 0 &&
+ (parser_state & PST_ENDALIAS) == 0 && /* only once */
+ shell_input_line_index > 0 &&
+ shellblank (shell_input_line[shell_input_line_index-1]) == 0 &&
+ shell_input_line[shell_input_line_index-1] != '\n' &&
+ shellmeta (shell_input_line[shell_input_line_index-1]) == 0 &&
+ (current_delimiter (dstack) != '\'' && current_delimiter (dstack) != '"'))
{
- if (mustpop)
- {
- pop_string ();
- c = shell_input_line[shell_input_line_index];
- if (c)
- shell_input_line_index++;
- mustpop--;
- }
- else
- {
- mustpop++;
- c = ' ';
- }
+ parser_state |= PST_ENDALIAS;
+ return ' '; /* END_ALIAS */
+ }
+#endif
+
+pop_alias:
+ /* This case works for PSH_DPAREN as well */
+ if (uc == 0 && pushed_string_list && pushed_string_list->flags != PSH_SOURCE)
+ {
+ parser_state &= ~PST_ENDALIAS;
+ pop_string ();
+ uc = shell_input_line[shell_input_line_index];
+ if (uc)
+ shell_input_line_index++;
}
#endif /* ALIAS || DPAREN_ARITHMETIC */
- if (!c && shell_input_line_terminator == EOF)
+ if MBTEST(uc == '\\' && remove_quoted_newline && shell_input_line[shell_input_line_index] == '\n')
+ {
+ if (SHOULD_PROMPT ())
+ prompt_again ();
+ line_number++;
+ /* What do we do here if we're expanding an alias whose definition
+ includes an escaped newline? If that's the last character in the
+ alias expansion, we just pop the pushed string list (recall that
+ we inhibit the appending of a space if newline is the last
+ character). If it's not the last character, we need to consume the
+ quoted newline and move to the next character in the expansion. */
+#if defined (ALIAS)
+ if (expanding_alias () && shell_input_line[shell_input_line_index+1] == '\0')
+ {
+ uc = 0;
+ goto pop_alias;
+ }
+ else if (expanding_alias () && shell_input_line[shell_input_line_index+1] != '\0')
+ {
+ shell_input_line_index++; /* skip newline */
+ goto next_alias_char; /* and get next character */
+ }
+ else
+#endif
+ goto restart_read;
+ }
+
+ if (uc == 0 && shell_input_line_terminator == EOF)
return ((shell_input_line_index != 0) ? '\n' : EOF);
- return ((unsigned char)c);
+#if defined (ALIAS) || defined (DPAREN_ARITHMETIC)
+ /* We already know that we are not parsing an alias expansion because of the
+ check for expanding_alias() above. This knows how parse_and_execute
+ handles switching to st_string input while an alias is being expanded,
+ hence the check for pushed_string_list without pushed_string_list->expander
+ and the check for PSH_SOURCE as pushed_string_list->flags.
+ parse_and_execute and parse_string both change the input type to st_string
+ and place the string to be parsed and executed into location.string, so
+ we should not stop reading that until the pointer is '\0'.
+ The check for shell_input_line_terminator may be superfluous.
+
+ This solves the problem of `.' inside a multi-line alias with embedded
+ newlines executing things out of order. */
+ if (uc == 0 && bash_input.type == st_string && *bash_input.location.string &&
+ pushed_string_list && pushed_string_list->flags == PSH_SOURCE &&
+ shell_input_line_terminator == 0)
+ {
+ shell_input_line_index = 0;
+ goto restart_read;
+ }
+#endif
+
+ return (uc);
}
-/* Put C back into the input for the shell. */
+/* Put C back into the input for the shell. This might need changes for
+ HANDLE_MULTIBYTE around EOLs. Since we (currently) never push back a
+ character different than we read, shell_input_line_property doesn't need
+ to change when manipulating shell_input_line. The define for
+ last_shell_getc_is_singlebyte should take care of it, though. */
static void
shell_ungetc (c)
int c;
{
if (shell_input_line && shell_input_line_index)
shell_input_line[--shell_input_line_index] = c;
+ else
+ eol_ungetc_lookahead = c;
+}
+
+char *
+parser_remaining_input ()
+{
+ if (shell_input_line == 0)
+ return 0;
+ if ((int)shell_input_line_index < 0 || shell_input_line_index >= shell_input_line_len)
+ return ""; /* XXX */
+ return (shell_input_line + shell_input_line_index);
}
+#ifdef INCLUDE_UNUSED
+/* Back the input pointer up by one, effectively `ungetting' a character. */
static void
shell_ungetchar ()
{
if (shell_input_line && shell_input_line_index)
shell_input_line_index--;
}
+#endif
/* Discard input until CHARACTER is seen, then push that character back
onto the input stream. */
}
void
-execute_prompt_command (command)
- char *command;
+execute_variable_command (command, vname)
+ char *command, *vname;
{
- Function *temp_last, *temp_this;
char *last_lastarg;
- int temp_exit_value, temp_eof_encountered;
+ sh_parser_state_t ps;
- temp_last = last_shell_builtin;
- temp_this = this_shell_builtin;
- temp_exit_value = last_command_exit_value;
- temp_eof_encountered = eof_encountered;
+ save_parser_state (&ps);
last_lastarg = get_string_value ("_");
if (last_lastarg)
last_lastarg = savestring (last_lastarg);
- parse_and_execute (savestring (command), "PROMPT_COMMAND", SEVAL_NONINT|SEVAL_NOHIST);
+ parse_and_execute (savestring (command), vname, SEVAL_NONINT|SEVAL_NOHIST);
- last_shell_builtin = temp_last;
- this_shell_builtin = temp_this;
- last_command_exit_value = temp_exit_value;
- eof_encountered = temp_eof_encountered;
-
- bind_variable ("_", last_lastarg);
+ restore_parser_state (&ps);
+ bind_variable ("_", last_lastarg, 0);
FREE (last_lastarg);
if (token_to_read == '\n') /* reset_parser was called */
token_to_read = 0;
}
+void
+push_token (x)
+ int x;
+{
+ two_tokens_ago = token_before_that;
+ token_before_that = last_read_token;
+ last_read_token = current_token;
+
+ current_token = x;
+}
+
/* Place to remember the token. We try to keep the buffer
at a reasonable size, but it can grow. */
static char *token = (char *)NULL;
We do this only if it is time to do so. Notice that only here
is the mail alarm reset; nothing takes place in check_mail ()
except the checking of mail. Please don't change this. */
- if (prompt_is_ps1 && time_to_check_mail ())
+ if (prompt_is_ps1 && parse_and_execute_level == 0 && time_to_check_mail ())
{
check_mail ();
reset_mail_timer ();
/* Avoid printing a prompt if we're not going to read anything, e.g.
after resetting the parser with read_token (RESET). */
- if (token_to_read == 0 && interactive)
+ if (token_to_read == 0 && SHOULD_PROMPT ())
prompt_again ();
}
token_before_that = last_read_token;
last_read_token = current_token;
current_token = read_token (READ);
+
+ if ((parser_state & PST_EOFTOKEN) && current_token == shell_eof_token)
+ {
+ current_token = yacc_EOF;
+ if (bash_input.type == st_string)
+ rewind_input_string ();
+ }
+ parser_state &= ~PST_EOFTOKEN; /* ??? */
+
return (current_token);
}
which allow ESAC to be the next one read. */
static int esacs_needed_count;
+/* When non-zero, we can read IN as an acceptable token, regardless of how
+ many newlines we read. */
+static int expecting_in_token;
+
+static void
+push_heredoc (r)
+ REDIRECT *r;
+{
+ if (need_here_doc >= HEREDOC_MAX)
+ {
+ last_command_exit_value = EX_BADUSAGE;
+ need_here_doc = 0;
+ report_syntax_error (_("maximum here-document count exceeded"));
+ reset_parser ();
+ exit_shell (last_command_exit_value);
+ }
+ redir_stack[need_here_doc++] = r;
+}
+
void
gather_here_documents ()
{
- int r = 0;
- while (need_here_doc)
+ int r;
+
+ r = 0;
+ here_doc_first_line = 1;
+ while (need_here_doc > 0)
{
- make_here_document (redir_stack[r++]);
+ parser_state |= PST_HEREDOC;
+ make_here_document (redir_stack[r++], line_number);
+ parser_state &= ~PST_HEREDOC;
need_here_doc--;
+ redir_stack[r - 1] = 0; /* XXX */
}
+ here_doc_first_line = 0; /* just in case */
}
/* When non-zero, an open-brace used to create a group is awaiting a close
brace partner. */
static int open_brace_count;
+/* In the following three macros, `token' is always last_read_token */
+
+/* Are we in the middle of parsing a redirection where we are about to read
+ a word? This is used to make sure alias expansion doesn't happen in the
+ middle of a redirection, even though we're parsing a simple command. */
+#define parsing_redirection(token) \
+ (token == '<' || token == '>' || \
+ token == GREATER_GREATER || token == GREATER_BAR || \
+ token == LESS_GREATER || token == LESS_LESS_MINUS || \
+ token == LESS_LESS || token == LESS_LESS_LESS || \
+ token == LESS_AND || token == GREATER_AND || token == AND_GREATER)
+
+/* Is `token' one that will allow a WORD to be read in a command position?
+ We can read a simple command name on which we should attempt alias expansion
+ or we can read an assignment statement. */
#define command_token_position(token) \
(((token) == ASSIGNMENT_WORD) || \
- ((token) != SEMI_SEMI && reserved_word_acceptable(token)))
+ ((parser_state&PST_REDIRLIST) && parsing_redirection(token) == 0) || \
+ ((token) != SEMI_SEMI && (token) != SEMI_AND && (token) != SEMI_SEMI_AND && reserved_word_acceptable(token)))
-#define assignment_acceptable(token) command_token_position(token) && \
- ((parser_state & PST_CASEPAT) == 0)
+/* Are we in a position where we can read an assignment statement? */
+#define assignment_acceptable(token) \
+ (command_token_position(token) && ((parser_state & PST_CASEPAT) == 0))
/* Check to see if TOKEN is a reserved word and return the token
value if it is. */
{ \
if ((parser_state & PST_CASEPAT) && (word_token_alist[i].token != ESAC)) \
break; \
- if (word_token_alist[i].token == TIME) \
+ if (word_token_alist[i].token == TIME && time_command_acceptable () == 0) \
break; \
+ if ((parser_state & PST_CASEPAT) && last_read_token == '|' && word_token_alist[i].token == ESAC) \
+ break; /* Posix grammar rule 4 */ \
if (word_token_alist[i].token == ESAC) \
parser_state &= ~(PST_CASEPAT|PST_CASESTMT); \
else if (word_token_alist[i].token == CASE) \
/* OK, we have a token. Let's try to alias expand it, if (and only if)
it's eligible.
- It is eligible for expansion if the shell is in interactive mode, and
+ It is eligible for expansion if EXPAND_ALIASES is set, and
the token is unquoted and the last token read was a command
separator (or expand_next_token is set), and we are currently
processing an alias (pushed_string_list is non-empty) and this
Special cases that disqualify:
In a pattern list in a case statement (parser_state & PST_CASEPAT). */
+
+static char *
+mk_alexpansion (s)
+ char *s;
+{
+ int l;
+ char *r;
+
+ l = strlen (s);
+ r = xmalloc (l + 2);
+ strcpy (r, s);
+#ifdef OLD_ALIAS_HACK
+ /* If the last character in the alias is a newline, don't add a trailing
+ space to the expansion. Works with shell_getc above. */
+ /* Need to do something about the case where the alias expansion contains
+ an unmatched quoted string, since appending this space affects the
+ subsequent output. */
+ if (l > 0 && r[l - 1] != ' ' && r[l - 1] != '\n' && shellmeta(r[l - 1]) == 0)
+ r[l++] = ' ';
+#endif
+ r[l] = '\0';
+ return r;
+}
+
static int
-alias_expand_token (token)
- char *token;
+alias_expand_token (tokstr)
+ char *tokstr;
{
char *expanded;
alias_t *ap;
if (((parser_state & PST_ALEXPNEXT) || command_token_position (last_read_token)) &&
(parser_state & PST_CASEPAT) == 0)
{
- ap = find_alias (token);
+ ap = find_alias (tokstr);
/* Currently expanding this token. */
if (ap && (ap->flags & AL_BEINGEXPANDED))
return (NO_EXPANSION);
- expanded = ap ? savestring (ap->value) : (char *)NULL;
+#ifdef OLD_ALIAS_HACK
+ /* mk_alexpansion puts an extra space on the end of the alias expansion,
+ so the lookahead by the parser works right (the alias needs to remain
+ `in use' while parsing its last word to avoid alias recursion for
+ something like "alias echo=echo"). If this gets changed, make sure
+ the code in shell_getc that deals with reaching the end of an
+ expanded alias is changed with it. */
+#endif
+ expanded = ap ? mk_alexpansion (ap->value) : (char *)NULL;
+
if (expanded)
{
push_string (expanded, ap->flags & AL_EXPANDNEXT, ap);
time_command_acceptable ()
{
#if defined (COMMAND_TIMING)
+ int i;
+
+ if (posixly_correct && shell_compatibility_level > 41)
+ {
+ /* Quick check of the rest of the line to find the next token. If it
+ begins with a `-', Posix says to not return `time' as the token.
+ This was interp 267. */
+ i = shell_input_line_index;
+ while (i < shell_input_line_len && (shell_input_line[i] == ' ' || shell_input_line[i] == '\t'))
+ i++;
+ if (shell_input_line[i] == '-')
+ return 0;
+ }
+
switch (last_read_token)
{
case 0:
case ';':
case '\n':
+ if (token_before_that == '|')
+ return (0);
+ /* FALLTHROUGH */
case AND_AND:
case OR_OR:
case '&':
+ case WHILE:
case DO:
+ case UNTIL:
+ case IF:
case THEN:
+ case ELIF:
case ELSE:
- case '{':
- case '(':
+ case '{': /* } */
+ case '(': /* )( */
+ case ')': /* only valid in case statement */
+ case BANG: /* ! time pipeline */
+ case TIME: /* time time pipeline */
+ case TIMEOPT: /* time -p time pipeline */
+ case TIMEIGN: /* time -p -- ... */
return 1;
default:
return 0;
to be set
`{' is recognized if the last token as WORD and the token
- before that was FUNCTION.
+ before that was FUNCTION, or if we just parsed an arithmetic
+ `for' command.
- `}' is recognized if there is an unclosed `{' prsent.
+ `}' is recognized if there is an unclosed `{' present.
`-p' is returned as TIMEOPT if the last read token was TIME.
+ `--' is returned as TIMEIGN if the last read token was TIMEOPT.
']]' is returned as COND_END if the parser is currently parsing
a conditional expression ((parser_state & PST_CONDEXPR) != 0)
*/
static int
-special_case_tokens (token)
- char *token;
+special_case_tokens (tokstr)
+ char *tokstr;
{
+ /* Posix grammar rule 6 */
if ((last_read_token == WORD) &&
#if defined (SELECT_COMMAND)
((token_before_that == FOR) || (token_before_that == CASE) || (token_before_that == SELECT)) &&
#else
((token_before_that == FOR) || (token_before_that == CASE)) &&
#endif
- (token[0] == 'i' && token[1] == 'n' && token[2] == 0))
+ (tokstr[0] == 'i' && tokstr[1] == 'n' && tokstr[2] == 0))
{
if (token_before_that == CASE)
{
parser_state |= PST_CASEPAT;
esacs_needed_count++;
}
+ if (expecting_in_token)
+ expecting_in_token--;
+ return (IN);
+ }
+
+ /* XXX - leaving above code intact for now, but it should eventually be
+ removed in favor of this clause. */
+ /* Posix grammar rule 6 */
+ if (expecting_in_token && (last_read_token == WORD || last_read_token == '\n') &&
+ (tokstr[0] == 'i' && tokstr[1] == 'n' && tokstr[2] == 0))
+ {
+ if (parser_state & PST_CASESTMT)
+ {
+ parser_state |= PST_CASEPAT;
+ esacs_needed_count++;
+ }
+ expecting_in_token--;
return (IN);
}
+ /* Posix grammar rule 6, third word in FOR: for i; do command-list; done */
+ else if (expecting_in_token && (last_read_token == '\n' || last_read_token == ';') &&
+ (tokstr[0] == 'd' && tokstr[1] == 'o' && tokstr[2] == '\0'))
+ {
+ expecting_in_token--;
+ return (DO);
+ }
+ /* for i do; command-list; done */
if (last_read_token == WORD &&
#if defined (SELECT_COMMAND)
(token_before_that == FOR || token_before_that == SELECT) &&
#else
(token_before_that == FOR) &&
#endif
- (token[0] == 'd' && token[1] == 'o' && token[2] == '\0'))
- return (DO);
+ (tokstr[0] == 'd' && tokstr[1] == 'o' && tokstr[2] == '\0'))
+ {
+ if (expecting_in_token)
+ expecting_in_token--;
+ return (DO);
+ }
/* Ditto for ESAC in the CASE case.
Specifically, this handles "case word in esac", which is a legal
the designers disagree. */
if (esacs_needed_count)
{
- esacs_needed_count--;
- if (STREQ (token, "esac"))
+ if (last_read_token == IN && STREQ (tokstr, "esac"))
{
+ esacs_needed_count--;
parser_state &= ~PST_CASEPAT;
return (ESAC);
}
if (parser_state & PST_ALLOWOPNBRC)
{
parser_state &= ~PST_ALLOWOPNBRC;
- if (token[0] == '{' && token[1] == '\0') /* } */
+ if (tokstr[0] == '{' && tokstr[1] == '\0') /* } */
{
open_brace_count++;
function_bstart = line_number;
}
}
- if (open_brace_count && reserved_word_acceptable (last_read_token) && token[0] == '}' && !token[1])
+ /* We allow a `do' after a for ((...)) without an intervening
+ list_terminator */
+ if (last_read_token == ARITH_FOR_EXPRS && tokstr[0] == 'd' && tokstr[1] == 'o' && !tokstr[2])
+ return (DO);
+ if (last_read_token == ARITH_FOR_EXPRS && tokstr[0] == '{' && tokstr[1] == '\0') /* } */
+ {
+ open_brace_count++;
+ return ('{'); /* } */
+ }
+
+ if (open_brace_count && reserved_word_acceptable (last_read_token) && tokstr[0] == '}' && !tokstr[1])
{
open_brace_count--; /* { */
return ('}');
#if defined (COMMAND_TIMING)
/* Handle -p after `time'. */
- if (last_read_token == TIME && token[0] == '-' && token[1] == 'p' && !token[2])
+ if (last_read_token == TIME && tokstr[0] == '-' && tokstr[1] == 'p' && !tokstr[2])
return (TIMEOPT);
+ /* Handle -- after `time -p'. */
+ if (last_read_token == TIMEOPT && tokstr[0] == '-' && tokstr[1] == '-' && !tokstr[2])
+ return (TIMEIGN);
#endif
-#if defined (COMMAND_TIMING)
- if (STREQ (token, "time") && ((parser_state & PST_CASEPAT) == 0) && time_command_acceptable ())
- return (TIME);
-#endif /* COMMAND_TIMING */
-
#if defined (COND_COMMAND) /* [[ */
- if ((parser_state & PST_CONDEXPR) && token[0] == ']' && token[1] == ']' && token[2] == '\0')
+ if ((parser_state & PST_CONDEXPR) && tokstr[0] == ']' && tokstr[1] == ']' && tokstr[2] == '\0')
return (COND_END);
#endif
dstack.delimiter_depth = 0; /* No delimiters found so far. */
open_brace_count = 0;
+#if defined (EXTENDED_GLOB)
+ /* Reset to global value of extended glob */
+ if (parser_state & PST_EXTPAT)
+ extended_glob = global_extglob;
+#endif
+
parser_state = 0;
+ here_doc_first_line = 0;
#if defined (ALIAS) || defined (DPAREN_ARITHMETIC)
if (pushed_string_list)
free_string_list ();
#endif /* ALIAS || DPAREN_ARITHMETIC */
+ /* This is where we resynchronize to the next newline on error/reset */
if (shell_input_line)
{
free (shell_input_line);
FREE (word_desc_to_read);
word_desc_to_read = (WORD_DESC *)NULL;
+ eol_ungetc_lookahead = 0;
+
+ current_token = '\n'; /* XXX */
last_read_token = '\n';
token_to_read = '\n';
}
+void
+reset_readahead_token ()
+{
+ if (token_to_read == '\n')
+ token_to_read = 0;
+}
+
/* Read the next token. Command can be READ (normal operation) or
RESET (to normalize state). */
static int
yylval.command = parse_cond_command ();
if (cond_token != COND_END)
{
- if (EOF_Reached && cond_token != COND_ERROR) /* [[ */
- parser_error (cond_lineno, "unexpected EOF while looking for `]]'");
- else if (cond_token != COND_ERROR)
- parser_error (cond_lineno, "syntax error in conditional expression");
+ cond_error ();
return (-1);
}
token_to_read = COND_END;
#endif /* ALIAS */
/* Read a single word from input. Start by skipping blanks. */
- while ((character = shell_getc (1)) != EOF && whitespace (character))
+ while ((character = shell_getc (1)) != EOF && shellblank (character))
;
if (character == EOF)
return (yacc_EOF);
}
- if (character == '#' && (!interactive || interactive_comments))
+ /* If we hit the end of the string and we're not expanding an alias (e.g.,
+ we are eval'ing a string that is an incomplete command), return EOF */
+ if (character == '\0' && bash_input.type == st_string && expanding_alias() == 0)
+ {
+#if defined (DEBUG)
+itrace("shell_getc: bash_input.location.string = `%s'", bash_input.location.string);
+#endif
+ EOF_Reached = 1;
+ return (yacc_EOF);
+ }
+
+ if MBTEST(character == '#' && (!interactive || interactive_comments))
{
/* A comment. Discard until EOL or EOF, and then return a newline. */
+ parser_state |= PST_COMMENT;
discard_until ('\n');
shell_getc (0);
+ parser_state &= ~PST_COMMENT;
character = '\n'; /* this will take the next if statement and return. */
}
parser_state &= ~PST_ALEXPNEXT;
#endif /* ALIAS */
+ parser_state &= ~PST_ASSIGNOK;
+
return (character);
}
+ if (parser_state & PST_REGEXP)
+ goto tokword;
+
/* Shell meta-characters. */
- if (shellmeta (character) && ((parser_state & PST_DBLPAREN) == 0))
+ if MBTEST(shellmeta (character) && ((parser_state & PST_DBLPAREN) == 0))
{
#if defined (ALIAS)
/* Turn off alias tokenization iff this character sequence would
parser_state &= ~PST_ALEXPNEXT;
#endif /* ALIAS */
- peek_char = shell_getc (1);
+ parser_state &= ~PST_ASSIGNOK;
+
+ /* If we are parsing a command substitution and we have read a character
+ that marks the end of it, don't bother to skip over quoted newlines
+ when we read the next token. We're just interested in a character
+ that will turn this into a two-character token, so we let the higher
+ layers deal with quoted newlines following the command substitution. */
+ if ((parser_state & PST_CMDSUBST) && character == shell_eof_token)
+ peek_char = shell_getc (0);
+ else
+ peek_char = shell_getc (1);
+
if (character == peek_char)
{
switch (character)
/* If '<' then we could be at "<<" or at "<<-". We have to
look ahead one more character. */
peek_char = shell_getc (1);
- if (peek_char == '-')
+ if MBTEST(peek_char == '-')
return (LESS_LESS_MINUS);
+ else if MBTEST(peek_char == '<')
+ return (LESS_LESS_LESS);
else
{
shell_ungetc (peek_char);
#if defined (ALIAS)
parser_state &= ~PST_ALEXPNEXT;
#endif /* ALIAS */
- return (SEMI_SEMI);
+
+ peek_char = shell_getc (1);
+ if MBTEST(peek_char == '&')
+ return (SEMI_SEMI_AND);
+ else
+ {
+ shell_ungetc (peek_char);
+ return (SEMI_SEMI);
+ }
case '&':
return (AND_AND);
#if defined (DPAREN_ARITHMETIC) || defined (ARITH_FOR_COMMAND)
case '(': /* ) */
-# if defined (ARITH_FOR_COMMAND)
- if (last_read_token == FOR)
- {
- int cmdtyp, len;
- char *wval, *wv2;
- WORD_DESC *wd;
-
- arith_for_lineno = line_number;
- cmdtyp = parse_arith_cmd (&wval);
- if (cmdtyp == 1)
- {
- /* parse_arith_cmd adds quotes at the beginning and end
- of the string it returns; we need to take those out. */
- len = strlen (wval);
- wv2 = xmalloc (len);
- strncpy (wv2, wval + 1, len - 2);
- wv2[len - 2] = '\0';
- wd = make_word (wv2);
- yylval.word_list = make_word_list (wd, (WORD_LIST *)NULL);
- free (wval);
- free (wv2);
- return (ARITH_FOR_EXPRS);
- }
- else
- return -1; /* ERROR */
- }
-# endif
-# if defined (DPAREN_ARITHMETIC)
- if (reserved_word_acceptable (last_read_token))
- {
- int cmdtyp, sline;
- char *wval;
- WORD_DESC *wd;
-
- sline = line_number;
- cmdtyp = parse_arith_cmd (&wval);
- if (cmdtyp == 1) /* arithmetic command */
- {
- wd = make_word (wval);
- wd->flags = W_QUOTED;
- yylval.word_list = make_word_list (wd, (WORD_LIST *)NULL);
- free (wval); /* make_word copies it */
- return (ARITH_CMD);
- }
- else if (cmdtyp == 0) /* nested subshell */
- {
- push_string (wval, 0, (alias_t *)NULL);
- if ((parser_state & PST_CASEPAT) == 0)
- parser_state |= PST_SUBSHELL;
- return (character);
- }
- else /* ERROR */
- return -1;
- }
- break;
-# endif
+ result = parse_dparen (character);
+ if (result == -2)
+ break;
+ else
+ return result;
#endif
}
}
- else if (character == '<' && peek_char == '&')
+ else if MBTEST(character == '<' && peek_char == '&')
return (LESS_AND);
- else if (character == '>' && peek_char == '&')
+ else if MBTEST(character == '>' && peek_char == '&')
return (GREATER_AND);
- else if (character == '<' && peek_char == '>')
+ else if MBTEST(character == '<' && peek_char == '>')
return (LESS_GREATER);
- else if (character == '>' && peek_char == '|')
+ else if MBTEST(character == '>' && peek_char == '|')
return (GREATER_BAR);
- else if (peek_char == '>' && character == '&')
- return (AND_GREATER);
+ else if MBTEST(character == '&' && peek_char == '>')
+ {
+ peek_char = shell_getc (1);
+ if MBTEST(peek_char == '>')
+ return (AND_GREATER_GREATER);
+ else
+ {
+ shell_ungetc (peek_char);
+ return (AND_GREATER);
+ }
+ }
+ else if MBTEST(character == '|' && peek_char == '&')
+ return (BAR_AND);
+ else if MBTEST(character == ';' && peek_char == '&')
+ {
+ parser_state |= PST_CASEPAT;
+#if defined (ALIAS)
+ parser_state &= ~PST_ALEXPNEXT;
+#endif /* ALIAS */
+ return (SEMI_AND);
+ }
shell_ungetc (peek_char);
/* If we look like we are reading the start of a function
definition, then let the reader know about it so that
we will do the right thing with `{'. */
- if (character == ')' && last_read_token == '(' && token_before_that == WORD)
+ if MBTEST(character == ')' && last_read_token == '(' && token_before_that == WORD)
{
parser_state |= PST_ALLOWOPNBRC;
#if defined (ALIAS)
/* case pattern lists may be preceded by an optional left paren. If
we're not trying to parse a case pattern list, the left paren
indicates a subshell. */
- if (character == '(' && (parser_state & PST_CASEPAT) == 0) /* ) */
+ if MBTEST(character == '(' && (parser_state & PST_CASEPAT) == 0) /* ) */
parser_state |= PST_SUBSHELL;
/*(*/
- else if ((parser_state & PST_CASEPAT) && character == ')')
- parser_state &= ~PST_CASEPAT;
+ else if MBTEST((parser_state & PST_CASEPAT) && character == ')')
+ parser_state &= ~PST_CASEPAT;
/*(*/
- else if ((parser_state & PST_SUBSHELL) && character == ')')
+ else if MBTEST((parser_state & PST_SUBSHELL) && character == ')')
parser_state &= ~PST_SUBSHELL;
#if defined (PROCESS_SUBSTITUTION)
/* Check for the constructs which introduce process substitution.
Shells running in `posix mode' don't do process substitution. */
- if (posixly_correct ||
- ((character != '>' && character != '<') || peek_char != '('))
+ if MBTEST(posixly_correct || ((character != '>' && character != '<') || peek_char != '(')) /*)*/
#endif /* PROCESS_SUBSTITUTION */
return (character);
}
- /* Hack <&- (close stdin) case. */
- if (character == '-' && (last_read_token == LESS_AND || last_read_token == GREATER_AND))
+ /* Hack <&- (close stdin) case. Also <&N- (dup and close). */
+ if MBTEST(character == '-' && (last_read_token == LESS_AND || last_read_token == GREATER_AND))
return (character);
+tokword:
/* Okay, if we got this far, we have to read a word. Read one,
and then check it against the known ones. */
result = read_token_word (character);
return result;
}
-/* Match a $(...) or other grouping construct. This has to handle embedded
- quoted strings ('', ``, "") and nested constructs. It also must handle
- reprompting the user, if necessary, after reading a newline, and returning
- correct error values if it reads EOF. */
+/*
+ * Match a $(...) or other grouping construct. This has to handle embedded
+ * quoted strings ('', ``, "") and nested constructs. It also must handle
+ * reprompting the user, if necessary, after reading a newline, and returning
+ * correct error values if it reads EOF.
+ */
+#define P_FIRSTCLOSE 0x0001
+#define P_ALLOWESC 0x0002
+#define P_DQUOTE 0x0004
+#define P_COMMAND 0x0008 /* parsing a command, so look for comments */
+#define P_BACKQUOTE 0x0010 /* parsing a backquoted command substitution */
+#define P_ARRAYSUB 0x0020 /* parsing a [...] array subscript for assignment */
+#define P_DOLBRACE 0x0040 /* parsing a ${...} construct */
+
+/* Lexical state while parsing a grouping construct or $(...). */
+#define LEX_WASDOL 0x0001
+#define LEX_CKCOMMENT 0x0002
+#define LEX_INCOMMENT 0x0004
+#define LEX_PASSNEXT 0x0008
+#define LEX_RESWDOK 0x0010
+#define LEX_CKCASE 0x0020
+#define LEX_INCASE 0x0040
+#define LEX_INHEREDOC 0x0080
+#define LEX_HEREDELIM 0x0100 /* reading here-doc delimiter */
+#define LEX_STRIPDOC 0x0200 /* <<- strip tabs from here doc delim */
+#define LEX_QUOTEDDOC 0x0400 /* here doc with quoted delim */
+#define LEX_INWORD 0x0800
+#define LEX_GTLT 0x1000
+
+#define COMSUB_META(ch) ((ch) == ';' || (ch) == '&' || (ch) == '|')
+
+#define CHECK_NESTRET_ERROR() \
+ do { \
+ if (nestret == &matched_pair_error) \
+ { \
+ free (ret); \
+ return &matched_pair_error; \
+ } \
+ } while (0)
-#define P_FIRSTCLOSE 0x01
-#define P_ALLOWESC 0x02
+#define APPEND_NESTRET() \
+ do { \
+ if (nestlen) \
+ { \
+ RESIZE_MALLOCED_BUFFER (ret, retind, nestlen, retsize, 64); \
+ strcpy (ret + retind, nestret); \
+ retind += nestlen; \
+ } \
+ } while (0)
static char matched_pair_error;
+
static char *
parse_matched_pair (qc, open, close, lenp, flags)
int qc; /* `"' if this construct is within double quotes */
int open, close;
int *lenp, flags;
{
- int count, ch, was_dollar;
- int pass_next_character, nestlen, start_lineno;
- char *ret, *nestret;
- int retind, retsize;
+ int count, ch, prevch, tflags;
+ int nestlen, ttranslen, start_lineno;
+ char *ret, *nestret, *ttrans;
+ int retind, retsize, rflags;
+ int dolbrace_state;
+
+ dolbrace_state = (flags & P_DOLBRACE) ? DOLBRACE_PARAM : 0;
+/*itrace("parse_matched_pair[%d]: open = %c close = %c flags = %d", line_number, open, close, flags);*/
count = 1;
- pass_next_character = was_dollar = 0;
+ tflags = 0;
+
+ if ((flags & P_COMMAND) && qc != '`' && qc != '\'' && qc != '"' && (flags & P_DQUOTE) == 0)
+ tflags |= LEX_CKCOMMENT;
+
+ /* RFLAGS is the set of flags we want to pass to recursive calls. */
+ rflags = (qc == '"') ? P_DQUOTE : (flags & P_DQUOTE);
- ret = xmalloc (retsize = 64);
+ ret = (char *)xmalloc (retsize = 64);
retind = 0;
start_lineno = line_number;
+ ch = EOF; /* just in case */
while (count)
{
- ch = shell_getc ((qc != '\'' || (flags & P_ALLOWESC)) && pass_next_character == 0);
+ prevch = ch;
+ ch = shell_getc (qc != '\'' && (tflags & (LEX_PASSNEXT)) == 0);
+
if (ch == EOF)
{
free (ret);
- parser_error (start_lineno, "unexpected EOF while looking for matching `%c'", close);
+ parser_error (start_lineno, _("unexpected EOF while looking for matching `%c'"), close);
EOF_Reached = 1; /* XXX */
return (&matched_pair_error);
}
/* Possible reprompting. */
- if (ch == '\n' && interactive &&
- (bash_input.type == st_stdin || bash_input.type == st_stream))
+ if (ch == '\n' && SHOULD_PROMPT ())
prompt_again ();
- if (pass_next_character) /* last char was backslash */
+ /* Don't bother counting parens or doing anything else if in a comment
+ or part of a case statement */
+ if (tflags & LEX_INCOMMENT)
{
- pass_next_character = 0;
+ /* Add this character. */
+ RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64);
+ ret[retind++] = ch;
+
+ if (ch == '\n')
+ tflags &= ~LEX_INCOMMENT;
+
+ continue;
+ }
+
+ /* Not exactly right yet, should handle shell metacharacters, too. If
+ any changes are made to this test, make analogous changes to subst.c:
+ extract_delimited_string(). */
+ else if MBTEST((tflags & LEX_CKCOMMENT) && (tflags & LEX_INCOMMENT) == 0 && ch == '#' && (retind == 0 || ret[retind-1] == '\n' || shellblank (ret[retind - 1])))
+ tflags |= LEX_INCOMMENT;
+
+ if (tflags & LEX_PASSNEXT) /* last char was backslash */
+ {
+ tflags &= ~LEX_PASSNEXT;
if (qc != '\'' && ch == '\n') /* double-quoted \<newline> disappears. */
{
- if (retind > 0) retind--; /* swallow previously-added backslash */
+ if (retind > 0)
+ retind--; /* swallow previously-added backslash */
continue;
}
RESIZE_MALLOCED_BUFFER (ret, retind, 2, retsize, 64);
- if (ch == CTLESC || ch == CTLNUL)
+ if MBTEST(ch == CTLESC)
ret[retind++] = CTLESC;
ret[retind++] = ch;
continue;
}
- else if (ch == CTLESC || ch == CTLNUL) /* special shell escapes */
+ /* If we're reparsing the input (e.g., from parse_string_to_word_list),
+ we've already prepended CTLESC to single-quoted results of $'...'.
+ We may want to do this for other CTLESC-quoted characters in
+ reparse, too. */
+ else if MBTEST((parser_state & PST_REPARSE) && open == '\'' && (ch == CTLESC || ch == CTLNUL))
+ {
+ RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64);
+ ret[retind++] = ch;
+ continue;
+ }
+ else if MBTEST(ch == CTLESC || ch == CTLNUL) /* special shell escapes */
{
RESIZE_MALLOCED_BUFFER (ret, retind, 2, retsize, 64);
ret[retind++] = CTLESC;
ret[retind++] = ch;
continue;
}
- else if (ch == close) /* ending delimiter */
+ else if MBTEST(ch == close) /* ending delimiter */
count--;
-#if 1
/* handle nested ${...} specially. */
- else if (open != close && was_dollar && open == '{' && ch == open) /* } */
- count++;
-#endif
- else if (((flags & P_FIRSTCLOSE) == 0) && ch == open) /* nested begin */
+ else if MBTEST(open != close && (tflags & LEX_WASDOL) && open == '{' && ch == open) /* } */
+ count++;
+ else if MBTEST(((flags & P_FIRSTCLOSE) == 0) && ch == open) /* nested begin */
count++;
/* Add this character. */
RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64);
ret[retind++] = ch;
+ /* If we just read the ending character, don't bother continuing. */
+ if (count == 0)
+ break;
+
if (open == '\'') /* '' inside grouping construct */
{
- if ((flags & P_ALLOWESC) && ch == '\\')
- pass_next_character++;
+ if MBTEST((flags & P_ALLOWESC) && ch == '\\')
+ tflags |= LEX_PASSNEXT;
continue;
}
- if (ch == '\\') /* backslashes */
- pass_next_character++;
+ if MBTEST(ch == '\\') /* backslashes */
+ tflags |= LEX_PASSNEXT;
+
+ /* Based on which dolstate is currently in (param, op, or word),
+ decide what the op is. We're really only concerned if it's % or
+ #, so we can turn on a flag that says whether or not we should
+ treat single quotes as special when inside a double-quoted
+ ${...}. This logic must agree with subst.c:extract_dollar_brace_string
+ since they share the same defines. */
+ /* FLAG POSIX INTERP 221 */
+ if (flags & P_DOLBRACE)
+ {
+ /* ${param%[%]word} */
+ if MBTEST(dolbrace_state == DOLBRACE_PARAM && ch == '%' && retind > 1)
+ dolbrace_state = DOLBRACE_QUOTE;
+ /* ${param#[#]word} */
+ else if MBTEST(dolbrace_state == DOLBRACE_PARAM && ch == '#' && retind > 1)
+ dolbrace_state = DOLBRACE_QUOTE;
+ /* ${param/[/]pat/rep} */
+ else if MBTEST(dolbrace_state == DOLBRACE_PARAM && ch == '/' && retind > 1)
+ dolbrace_state = DOLBRACE_QUOTE2; /* XXX */
+ /* ${param^[^]pat} */
+ else if MBTEST(dolbrace_state == DOLBRACE_PARAM && ch == '^' && retind > 1)
+ dolbrace_state = DOLBRACE_QUOTE;
+ /* ${param,[,]pat} */
+ else if MBTEST(dolbrace_state == DOLBRACE_PARAM && ch == ',' && retind > 1)
+ dolbrace_state = DOLBRACE_QUOTE;
+ else if MBTEST(dolbrace_state == DOLBRACE_PARAM && strchr ("#%^,~:-=?+/", ch) != 0)
+ dolbrace_state = DOLBRACE_OP;
+ else if MBTEST(dolbrace_state == DOLBRACE_OP && strchr ("#%^,~:-=?+/", ch) == 0)
+ dolbrace_state = DOLBRACE_WORD;
+ }
+
+ /* The big hammer. Single quotes aren't special in double quotes. The
+ problem is that Posix used to say the single quotes are semi-special:
+ within a double-quoted ${...} construct "an even number of
+ unescaped double-quotes or single-quotes, if any, shall occur." */
+ /* This was changed in Austin Group Interp 221 */
+ if MBTEST(posixly_correct && shell_compatibility_level > 41 && dolbrace_state != DOLBRACE_QUOTE && dolbrace_state != DOLBRACE_QUOTE2 && (flags & P_DQUOTE) && (flags & P_DOLBRACE) && ch == '\'')
+ continue;
+ /* Could also check open == '`' if we want to parse grouping constructs
+ inside old-style command substitution. */
if (open != close) /* a grouping construct */
{
- if (shellquote (ch))
- {
- /* '', ``, or "" inside $(...) or other grouping construct. */
- push_delimiter (dstack, ch);
- nestret = parse_matched_pair (ch, ch, ch, &nestlen, 0);
- pop_delimiter (dstack);
- if (nestret == &matched_pair_error)
- {
- free (ret);
- return &matched_pair_error;
- }
- if (nestlen)
- {
- RESIZE_MALLOCED_BUFFER (ret, retind, nestlen, retsize, 64);
- strcpy (ret + retind, nestret);
- retind += nestlen;
- }
- FREE (nestret);
- }
+ if MBTEST(shellquote (ch))
+ {
+ /* '', ``, or "" inside $(...) or other grouping construct. */
+ push_delimiter (dstack, ch);
+ if MBTEST((tflags & LEX_WASDOL) && ch == '\'') /* $'...' inside group */
+ nestret = parse_matched_pair (ch, ch, ch, &nestlen, P_ALLOWESC|rflags);
+ else
+ nestret = parse_matched_pair (ch, ch, ch, &nestlen, rflags);
+ pop_delimiter (dstack);
+ CHECK_NESTRET_ERROR ();
+
+ if MBTEST((tflags & LEX_WASDOL) && ch == '\'' && (extended_quote || (rflags & P_DQUOTE) == 0))
+ {
+ /* Translate $'...' here. */
+ ttrans = ansiexpand (nestret, 0, nestlen - 1, &ttranslen);
+ free (nestret);
+
+ /* If we're parsing a double-quoted brace expansion and we are
+ not in a place where single quotes are treated specially,
+ make sure we single-quote the results of the ansi
+ expansion because quote removal should remove them later */
+ /* FLAG POSIX INTERP 221 */
+ if ((shell_compatibility_level > 42) && (rflags & P_DQUOTE) && (dolbrace_state == DOLBRACE_QUOTE2) && (flags & P_DOLBRACE))
+ {
+ nestret = sh_single_quote (ttrans);
+ free (ttrans);
+ nestlen = strlen (nestret);
+ }
+ else if ((rflags & P_DQUOTE) == 0)
+ {
+ nestret = sh_single_quote (ttrans);
+ free (ttrans);
+ nestlen = strlen (nestret);
+ }
+ else
+ {
+ nestret = ttrans;
+ nestlen = ttranslen;
+ }
+ retind -= 2; /* back up before the $' */
+ }
+ else if MBTEST((tflags & LEX_WASDOL) && ch == '"' && (extended_quote || (rflags & P_DQUOTE) == 0))
+ {
+ /* Locale expand $"..." here. */
+ ttrans = localeexpand (nestret, 0, nestlen - 1, start_lineno, &ttranslen);
+ free (nestret);
+
+ nestret = sh_mkdoublequoted (ttrans, ttranslen, 0);
+ free (ttrans);
+ nestlen = ttranslen + 2;
+ retind -= 2; /* back up before the $" */
+ }
+
+ APPEND_NESTRET ();
+ FREE (nestret);
+ }
+ else if ((flags & (P_ARRAYSUB|P_DOLBRACE)) && (tflags & LEX_WASDOL) && (ch == '(' || ch == '{' || ch == '[')) /* ) } ] */
+ goto parse_dollar_word;
+#if defined (PROCESS_SUBSTITUTION)
+ /* XXX - technically this should only be recognized at the start of
+ a word */
+ else if ((flags & (P_ARRAYSUB|P_DOLBRACE)) && (tflags & LEX_GTLT) && (ch == '(')) /* ) */
+ goto parse_dollar_word;
+#endif
+ }
+ /* Parse an old-style command substitution within double quotes as a
+ single word. */
+ /* XXX - sh and ksh93 don't do this - XXX */
+ else if MBTEST(open == '"' && ch == '`')
+ {
+ nestret = parse_matched_pair (0, '`', '`', &nestlen, rflags);
+
+ CHECK_NESTRET_ERROR ();
+ APPEND_NESTRET ();
+
+ FREE (nestret);
+ }
+ else if MBTEST(open != '`' && (tflags & LEX_WASDOL) && (ch == '(' || ch == '{' || ch == '[')) /* ) } ] */
+ /* check for $(), $[], or ${} inside quoted string. */
+ {
+parse_dollar_word:
+ if (open == ch) /* undo previous increment */
+ count--;
+ if (ch == '(') /* ) */
+ nestret = parse_comsub (0, '(', ')', &nestlen, (rflags|P_COMMAND) & ~P_DQUOTE);
+ else if (ch == '{') /* } */
+ nestret = parse_matched_pair (0, '{', '}', &nestlen, P_FIRSTCLOSE|P_DOLBRACE|rflags);
+ else if (ch == '[') /* ] */
+ nestret = parse_matched_pair (0, '[', ']', &nestlen, rflags);
+
+ CHECK_NESTRET_ERROR ();
+ APPEND_NESTRET ();
+
+ FREE (nestret);
+ }
+#if defined (PROCESS_SUBSTITUTION)
+ if MBTEST((ch == '<' || ch == '>') && (tflags & LEX_GTLT) == 0)
+ tflags |= LEX_GTLT;
+ else
+ tflags &= ~LEX_GTLT;
+#endif
+ if MBTEST(ch == '$' && (tflags & LEX_WASDOL) == 0)
+ tflags |= LEX_WASDOL;
+ else
+ tflags &= ~LEX_WASDOL;
+ }
+
+ ret[retind] = '\0';
+ if (lenp)
+ *lenp = retind;
+/*itrace("parse_matched_pair[%d]: returning %s", line_number, ret);*/
+ return ret;
+}
+
+#if defined (DEBUG)
+static void
+dump_tflags (flags)
+ int flags;
+{
+ int f;
+
+ f = flags;
+ fprintf (stderr, "%d -> ", f);
+ if (f & LEX_WASDOL)
+ {
+ f &= ~LEX_WASDOL;
+ fprintf (stderr, "LEX_WASDOL%s", f ? "|" : "");
+ }
+ if (f & LEX_CKCOMMENT)
+ {
+ f &= ~LEX_CKCOMMENT;
+ fprintf (stderr, "LEX_CKCOMMENT%s", f ? "|" : "");
+ }
+ if (f & LEX_INCOMMENT)
+ {
+ f &= ~LEX_INCOMMENT;
+ fprintf (stderr, "LEX_INCOMMENT%s", f ? "|" : "");
+ }
+ if (f & LEX_PASSNEXT)
+ {
+ f &= ~LEX_PASSNEXT;
+ fprintf (stderr, "LEX_PASSNEXT%s", f ? "|" : "");
+ }
+ if (f & LEX_RESWDOK)
+ {
+ f &= ~LEX_RESWDOK;
+ fprintf (stderr, "LEX_RESWDOK%s", f ? "|" : "");
+ }
+ if (f & LEX_CKCASE)
+ {
+ f &= ~LEX_CKCASE;
+ fprintf (stderr, "LEX_CKCASE%s", f ? "|" : "");
+ }
+ if (f & LEX_INCASE)
+ {
+ f &= ~LEX_INCASE;
+ fprintf (stderr, "LEX_INCASE%s", f ? "|" : "");
+ }
+ if (f & LEX_INHEREDOC)
+ {
+ f &= ~LEX_INHEREDOC;
+ fprintf (stderr, "LEX_INHEREDOC%s", f ? "|" : "");
+ }
+ if (f & LEX_HEREDELIM)
+ {
+ f &= ~LEX_HEREDELIM;
+ fprintf (stderr, "LEX_HEREDELIM%s", f ? "|" : "");
+ }
+ if (f & LEX_STRIPDOC)
+ {
+ f &= ~LEX_STRIPDOC;
+ fprintf (stderr, "LEX_WASDOL%s", f ? "|" : "");
+ }
+ if (f & LEX_QUOTEDDOC)
+ {
+ f &= ~LEX_QUOTEDDOC;
+ fprintf (stderr, "LEX_QUOTEDDOC%s", f ? "|" : "");
+ }
+ if (f & LEX_INWORD)
+ {
+ f &= ~LEX_INWORD;
+ fprintf (stderr, "LEX_INWORD%s", f ? "|" : "");
+ }
+
+ fprintf (stderr, "\n");
+ fflush (stderr);
+}
+#endif
+
+/* Parse a $(...) command substitution. This is messier than I'd like, and
+ reproduces a lot more of the token-reading code than I'd like. */
+static char *
+parse_comsub (qc, open, close, lenp, flags)
+ int qc; /* `"' if this construct is within double quotes */
+ int open, close;
+ int *lenp, flags;
+{
+ int count, ch, peekc, tflags, lex_rwlen, lex_wlen, lex_firstind;
+ int nestlen, ttranslen, start_lineno;
+ char *ret, *nestret, *ttrans, *heredelim;
+ int retind, retsize, rflags, hdlen;
+
+ /* Posix interp 217 says arithmetic expressions have precedence, so
+ assume $(( introduces arithmetic expansion and parse accordingly. */
+ peekc = shell_getc (0);
+ shell_ungetc (peekc);
+ if (peekc == '(')
+ return (parse_matched_pair (qc, open, close, lenp, 0));
+
+/*itrace("parse_comsub: qc = `%c' open = %c close = %c", qc, open, close);*/
+ count = 1;
+ tflags = LEX_RESWDOK;
+
+ if ((flags & P_COMMAND) && qc != '\'' && qc != '"' && (flags & P_DQUOTE) == 0)
+ tflags |= LEX_CKCASE;
+ if ((tflags & LEX_CKCASE) && (interactive == 0 || interactive_comments))
+ tflags |= LEX_CKCOMMENT;
+
+ /* RFLAGS is the set of flags we want to pass to recursive calls. */
+ rflags = (flags & P_DQUOTE);
+
+ ret = (char *)xmalloc (retsize = 64);
+ retind = 0;
+
+ start_lineno = line_number;
+ lex_rwlen = lex_wlen = 0;
+
+ heredelim = 0;
+ lex_firstind = -1;
+
+ while (count)
+ {
+comsub_readchar:
+ ch = shell_getc (qc != '\'' && (tflags & (LEX_INCOMMENT|LEX_PASSNEXT|LEX_QUOTEDDOC)) == 0);
+
+ if (ch == EOF)
+ {
+eof_error:
+ free (ret);
+ FREE (heredelim);
+ parser_error (start_lineno, _("unexpected EOF while looking for matching `%c'"), close);
+ EOF_Reached = 1; /* XXX */
+ return (&matched_pair_error);
+ }
+
+ /* If we hit the end of a line and are reading the contents of a here
+ document, and it's not the same line that the document starts on,
+ check for this line being the here doc delimiter. Otherwise, if
+ we're in a here document, mark the next character as the beginning
+ of a line. */
+ if (ch == '\n')
+ {
+ if ((tflags & LEX_HEREDELIM) && heredelim)
+ {
+ tflags &= ~LEX_HEREDELIM;
+ tflags |= LEX_INHEREDOC;
+ lex_firstind = retind + 1;
+ }
+ else if (tflags & LEX_INHEREDOC)
+ {
+ int tind;
+ tind = lex_firstind;
+ while ((tflags & LEX_STRIPDOC) && ret[tind] == '\t')
+ tind++;
+ if (retind-tind == hdlen && STREQN (ret + tind, heredelim, hdlen))
+ {
+ tflags &= ~(LEX_STRIPDOC|LEX_INHEREDOC|LEX_QUOTEDDOC);
+/*itrace("parse_comsub:%d: found here doc end `%s'", line_number, ret + tind);*/
+ free (heredelim);
+ heredelim = 0;
+ lex_firstind = -1;
+ }
+ else
+ lex_firstind = retind + 1;
+ }
+ }
+
+ /* Possible reprompting. */
+ if (ch == '\n' && SHOULD_PROMPT ())
+ prompt_again ();
+
+ /* XXX -- possibly allow here doc to be delimited by ending right
+ paren. */
+ if ((tflags & LEX_INHEREDOC) && ch == close && count == 1)
+ {
+ int tind;
+/*itrace("parse_comsub:%d: in here doc, ch == close, retind - firstind = %d hdlen = %d retind = %d", line_number, retind-lex_firstind, hdlen, retind);*/
+ tind = lex_firstind;
+ while ((tflags & LEX_STRIPDOC) && ret[tind] == '\t')
+ tind++;
+ if (retind-tind == hdlen && STREQN (ret + tind, heredelim, hdlen))
+ {
+ tflags &= ~(LEX_STRIPDOC|LEX_INHEREDOC|LEX_QUOTEDDOC);
+/*itrace("parse_comsub:%d: found here doc end `%*s'", line_number, hdlen, ret + tind);*/
+ free (heredelim);
+ heredelim = 0;
+ lex_firstind = -1;
+ }
+ }
+
+ /* Don't bother counting parens or doing anything else if in a comment or
+ here document (not exactly right for here-docs -- if we want to allow
+ recursive calls to parse_comsub to have their own here documents,
+ change the LEX_INHEREDOC to LEX_QUOTEDDOC here and uncomment the next
+ clause below. Note that to make this work completely, we need to make
+ additional changes to allow xparse_dolparen to work right when the
+ command substitution is parsed, because read_secondary_line doesn't know
+ to recursively parse through command substitutions embedded in here-
+ documents */
+ if (tflags & (LEX_INCOMMENT|LEX_INHEREDOC))
+ {
+ /* Add this character. */
+ RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64);
+ ret[retind++] = ch;
+
+ if ((tflags & LEX_INCOMMENT) && ch == '\n')
+ {
+/*itrace("parse_comsub:%d: lex_incomment -> 0 ch = `%c'", line_number, ch);*/
+ tflags &= ~LEX_INCOMMENT;
+ }
+
+ continue;
+ }
+#if 0
+ /* If we're going to recursively parse a command substitution inside a
+ here-document, make sure we call parse_comsub recursively below. See
+ above for additional caveats. */
+ if ((tflags & LEX_INHEREDOC) && ((tflags & LEX_WASDOL) == 0 || ch != '(')) /*)*/
+ {
+ /* Add this character. */
+ RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64);
+ ret[retind++] = ch;
+ if MBTEST(ch == '$')
+ tflags |= LEX_WASDOL;
+ else
+ tflags &= ~LEX_WASDOL;
+ }
+#endif
+
+ if (tflags & LEX_PASSNEXT) /* last char was backslash */
+ {
+/*itrace("parse_comsub:%d: lex_passnext -> 0 ch = `%c' (%d)", line_number, ch, __LINE__);*/
+ tflags &= ~LEX_PASSNEXT;
+ if (qc != '\'' && ch == '\n') /* double-quoted \<newline> disappears. */
+ {
+ if (retind > 0)
+ retind--; /* swallow previously-added backslash */
+ continue;
+ }
+
+ RESIZE_MALLOCED_BUFFER (ret, retind, 2, retsize, 64);
+ if MBTEST(ch == CTLESC)
+ ret[retind++] = CTLESC;
+ ret[retind++] = ch;
+ continue;
+ }
+
+ /* If this is a shell break character, we are not in a word. If not,
+ we either start or continue a word. */
+ if MBTEST(shellbreak (ch))
+ {
+ tflags &= ~LEX_INWORD;
+/*itrace("parse_comsub:%d: lex_inword -> 0 ch = `%c' (%d)", line_number, ch, __LINE__);*/
+ }
+ else
+ {
+ if (tflags & LEX_INWORD)
+ {
+ lex_wlen++;
+/*itrace("parse_comsub:%d: lex_inword == 1 ch = `%c' lex_wlen = %d (%d)", line_number, ch, lex_wlen, __LINE__);*/
+ }
+ else
+ {
+/*itrace("parse_comsub:%d: lex_inword -> 1 ch = `%c' (%d)", line_number, ch, __LINE__);*/
+ tflags |= LEX_INWORD;
+ lex_wlen = 0;
+ if (tflags & LEX_RESWDOK)
+ lex_rwlen = 0;
+ }
+ }
+
+ /* Skip whitespace */
+ if MBTEST(shellblank (ch) && (tflags & LEX_HEREDELIM) == 0 && lex_rwlen == 0)
+ {
+ /* Add this character. */
+ RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64);
+ ret[retind++] = ch;
+ continue;
+ }
+
+ /* Either we are looking for the start of the here-doc delimiter
+ (lex_firstind == -1) or we are reading one (lex_firstind >= 0).
+ If this character is a shell break character and we are reading
+ the delimiter, save it and note that we are now reading a here
+ document. If we've found the start of the delimiter, note it by
+ setting lex_firstind. Backslashes can quote shell metacharacters
+ in here-doc delimiters. */
+ if (tflags & LEX_HEREDELIM)
+ {
+ if (lex_firstind == -1 && shellbreak (ch) == 0)
+ lex_firstind = retind;
+#if 0
+ else if (heredelim && (tflags & LEX_PASSNEXT) == 0 && ch == '\n')
+ {
+ tflags |= LEX_INHEREDOC;
+ tflags &= ~LEX_HEREDELIM;
+ lex_firstind = retind + 1;
+ }
+#endif
+ else if (lex_firstind >= 0 && (tflags & LEX_PASSNEXT) == 0 && shellbreak (ch))
+ {
+ if (heredelim == 0)
+ {
+ nestret = substring (ret, lex_firstind, retind);
+ heredelim = string_quote_removal (nestret, 0);
+ hdlen = STRLEN(heredelim);
+/*itrace("parse_comsub:%d: found here doc delimiter `%s' (%d)", line_number, heredelim, hdlen);*/
+ if (STREQ (heredelim, nestret) == 0)
+ tflags |= LEX_QUOTEDDOC;
+ free (nestret);
+ }
+ if (ch == '\n')
+ {
+ tflags |= LEX_INHEREDOC;
+ tflags &= ~LEX_HEREDELIM;
+ lex_firstind = retind + 1;
+ }
+ else
+ lex_firstind = -1;
+ }
+ }
+
+ /* Meta-characters that can introduce a reserved word. Not perfect yet. */
+ if MBTEST((tflags & LEX_RESWDOK) == 0 && (tflags & LEX_CKCASE) && (tflags & LEX_INCOMMENT) == 0 && (shellmeta(ch) || ch == '\n'))
+ {
+ /* Add this character. */
+ RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64);
+ ret[retind++] = ch;
+ peekc = shell_getc (1);
+ if (ch == peekc && (ch == '&' || ch == '|' || ch == ';')) /* two-character tokens */
+ {
+ RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64);
+ ret[retind++] = peekc;
+/*itrace("parse_comsub:%d: set lex_reswordok = 1, ch = `%c'", line_number, ch);*/
+ tflags |= LEX_RESWDOK;
+ lex_rwlen = 0;
+ continue;
+ }
+ else if (ch == '\n' || COMSUB_META(ch))
+ {
+ shell_ungetc (peekc);
+/*itrace("parse_comsub:%d: set lex_reswordok = 1, ch = `%c'", line_number, ch);*/
+ tflags |= LEX_RESWDOK;
+ lex_rwlen = 0;
+ continue;
+ }
+ else if (ch == EOF)
+ goto eof_error;
+ else
+ {
+ /* `unget' the character we just added and fall through */
+ retind--;
+ shell_ungetc (peekc);
+ }
+ }
+
+ /* If we can read a reserved word, try to read one. */
+ if (tflags & LEX_RESWDOK)
+ {
+ if MBTEST(islower ((unsigned char)ch))
+ {
+ /* Add this character. */
+ RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64);
+ ret[retind++] = ch;
+ lex_rwlen++;
+ continue;
+ }
+ else if MBTEST(lex_rwlen == 4 && shellbreak (ch))
+ {
+ if (STREQN (ret + retind - 4, "case", 4))
+ {
+ tflags |= LEX_INCASE;
+ tflags &= ~LEX_RESWDOK;
+/*itrace("parse_comsub:%d: found `case', lex_incase -> 1 lex_reswdok -> 0", line_number);*/
+ }
+ else if (STREQN (ret + retind - 4, "esac", 4))
+ {
+ tflags &= ~LEX_INCASE;
+/*itrace("parse_comsub:%d: found `esac', lex_incase -> 0 lex_reswdok -> 1", line_number);*/
+ tflags |= LEX_RESWDOK;
+ lex_rwlen = 0;
+ }
+ else if (STREQN (ret + retind - 4, "done", 4) ||
+ STREQN (ret + retind - 4, "then", 4) ||
+ STREQN (ret + retind - 4, "else", 4) ||
+ STREQN (ret + retind - 4, "elif", 4) ||
+ STREQN (ret + retind - 4, "time", 4))
+ {
+ /* these are four-character reserved words that can be
+ followed by a reserved word; anything else turns off
+ the reserved-word-ok flag */
+/*itrace("parse_comsub:%d: found `%.4s', lex_reswdok -> 1", line_number, ret+retind-4);*/
+ tflags |= LEX_RESWDOK;
+ lex_rwlen = 0;
+ }
+ else if (shellmeta (ch) == 0)
+ {
+ tflags &= ~LEX_RESWDOK;
+/*itrace("parse_comsub:%d: found `%.4s', lex_reswdok -> 0", line_number, ret+retind-4);*/
+ }
+ else /* can't be in a reserved word any more */
+ lex_rwlen = 0;
+ }
+ else if MBTEST((tflags & LEX_CKCOMMENT) && ch == '#' && (lex_rwlen == 0 || ((tflags & LEX_INWORD) && lex_wlen == 0)))
+ ; /* don't modify LEX_RESWDOK if we're starting a comment */
+ /* Allow `do' followed by space, tab, or newline to preserve the
+ RESWDOK flag, but reset the reserved word length counter so we
+ can read another one. */
+ else if MBTEST(((tflags & LEX_INCASE) == 0) &&
+ (isblank((unsigned char)ch) || ch == '\n') &&
+ lex_rwlen == 2 &&
+ STREQN (ret + retind - 2, "do", 2))
+ {
+/*itrace("parse_comsub:%d: lex_incase == 0 found `%c', found \"do\"", line_number, ch);*/
+ lex_rwlen = 0;
+ }
+ else if MBTEST((tflags & LEX_INCASE) && ch != '\n')
+ /* If we can read a reserved word and we're in case, we're at the
+ point where we can read a new pattern list or an esac. We
+ handle the esac case above. If we read a newline, we want to
+ leave LEX_RESWDOK alone. If we read anything else, we want to
+ turn off LEX_RESWDOK, since we're going to read a pattern list. */
+ {
+ tflags &= ~LEX_RESWDOK;
+/*itrace("parse_comsub:%d: lex_incase == 1 found `%c', lex_reswordok -> 0", line_number, ch);*/
+ }
+ else if MBTEST(shellbreak (ch) == 0)
+ {
+ tflags &= ~LEX_RESWDOK;
+/*itrace("parse_comsub:%d: found `%c', lex_reswordok -> 0", line_number, ch);*/
+ }
+#if 0
+ /* If we find a space or tab but have read something and it's not
+ `do', turn off the reserved-word-ok flag */
+ else if MBTEST(isblank ((unsigned char)ch) && lex_rwlen > 0)
+ {
+ tflags &= ~LEX_RESWDOK;
+/*itrace("parse_comsub:%d: found `%c', lex_reswordok -> 0", line_number, ch);*/
+ }
+#endif
+ }
+
+ /* Might be the start of a here-doc delimiter */
+ if MBTEST((tflags & LEX_INCOMMENT) == 0 && (tflags & LEX_CKCASE) && ch == '<')
+ {
+ /* Add this character. */
+ RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64);
+ ret[retind++] = ch;
+ peekc = shell_getc (1);
+ if (peekc == EOF)
+ goto eof_error;
+ if (peekc == ch)
+ {
+ RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64);
+ ret[retind++] = peekc;
+ peekc = shell_getc (1);
+ if (peekc == EOF)
+ goto eof_error;
+ if (peekc == '-')
+ {
+ RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64);
+ ret[retind++] = peekc;
+ tflags |= LEX_STRIPDOC;
+ }
+ else
+ shell_ungetc (peekc);
+ if (peekc != '<')
+ {
+ tflags |= LEX_HEREDELIM;
+ lex_firstind = -1;
+ }
+ continue;
+ }
+ else
+ {
+ shell_ungetc (peekc); /* not a here-doc, start over */
+ continue;
+ }
+ }
+ else if MBTEST((tflags & LEX_CKCOMMENT) && (tflags & LEX_INCOMMENT) == 0 && ch == '#' && (((tflags & LEX_RESWDOK) && lex_rwlen == 0) || ((tflags & LEX_INWORD) && lex_wlen == 0)))
+ {
+/*itrace("parse_comsub:%d: lex_incomment -> 1 (%d)", line_number, __LINE__);*/
+ tflags |= LEX_INCOMMENT;
+ }
+
+ if MBTEST(ch == CTLESC || ch == CTLNUL) /* special shell escapes */
+ {
+ RESIZE_MALLOCED_BUFFER (ret, retind, 2, retsize, 64);
+ ret[retind++] = CTLESC;
+ ret[retind++] = ch;
+ continue;
+ }
+#if 0
+ else if MBTEST((tflags & LEX_INCASE) && ch == close && close == ')')
+ tflags &= ~LEX_INCASE; /* XXX */
+#endif
+ else if MBTEST(ch == close && (tflags & LEX_INCASE) == 0) /* ending delimiter */
+ {
+ count--;
+/*itrace("parse_comsub:%d: found close: count = %d", line_number, count);*/
+ }
+ else if MBTEST(((flags & P_FIRSTCLOSE) == 0) && (tflags & LEX_INCASE) == 0 && ch == open) /* nested begin */
+ {
+ count++;
+/*itrace("parse_comsub:%d: found open: count = %d", line_number, count);*/
+ }
+
+ /* Add this character. */
+ RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64);
+ ret[retind++] = ch;
+
+ /* If we just read the ending character, don't bother continuing. */
+ if (count == 0)
+ break;
+
+ if MBTEST(ch == '\\') /* backslashes */
+ tflags |= LEX_PASSNEXT;
+
+ if MBTEST(shellquote (ch))
+ {
+ /* '', ``, or "" inside $(...). */
+ push_delimiter (dstack, ch);
+ if MBTEST((tflags & LEX_WASDOL) && ch == '\'') /* $'...' inside group */
+ nestret = parse_matched_pair (ch, ch, ch, &nestlen, P_ALLOWESC|rflags);
+ else
+ nestret = parse_matched_pair (ch, ch, ch, &nestlen, rflags);
+ pop_delimiter (dstack);
+ CHECK_NESTRET_ERROR ();
+
+ if MBTEST((tflags & LEX_WASDOL) && ch == '\'' && (extended_quote || (rflags & P_DQUOTE) == 0))
+ {
+ /* Translate $'...' here. */
+ ttrans = ansiexpand (nestret, 0, nestlen - 1, &ttranslen);
+ free (nestret);
+
+ if ((rflags & P_DQUOTE) == 0)
+ {
+ nestret = sh_single_quote (ttrans);
+ free (ttrans);
+ nestlen = strlen (nestret);
+ }
+ else
+ {
+ nestret = ttrans;
+ nestlen = ttranslen;
+ }
+ retind -= 2; /* back up before the $' */
+ }
+ else if MBTEST((tflags & LEX_WASDOL) && ch == '"' && (extended_quote || (rflags & P_DQUOTE) == 0))
+ {
+ /* Locale expand $"..." here. */
+ ttrans = localeexpand (nestret, 0, nestlen - 1, start_lineno, &ttranslen);
+ free (nestret);
+
+ nestret = sh_mkdoublequoted (ttrans, ttranslen, 0);
+ free (ttrans);
+ nestlen = ttranslen + 2;
+ retind -= 2; /* back up before the $" */
+ }
+
+ APPEND_NESTRET ();
+ FREE (nestret);
+ }
+ else if MBTEST((tflags & LEX_WASDOL) && (ch == '(' || ch == '{' || ch == '[')) /* ) } ] */
+ /* check for $(), $[], or ${} inside command substitution. */
+ {
+ if ((tflags & LEX_INCASE) == 0 && open == ch) /* undo previous increment */
+ count--;
+ if (ch == '(') /* ) */
+ nestret = parse_comsub (0, '(', ')', &nestlen, (rflags|P_COMMAND) & ~P_DQUOTE);
+ else if (ch == '{') /* } */
+ nestret = parse_matched_pair (0, '{', '}', &nestlen, P_FIRSTCLOSE|P_DOLBRACE|rflags);
+ else if (ch == '[') /* ] */
+ nestret = parse_matched_pair (0, '[', ']', &nestlen, rflags);
+
+ CHECK_NESTRET_ERROR ();
+ APPEND_NESTRET ();
+
+ FREE (nestret);
+ }
+ if MBTEST(ch == '$' && (tflags & LEX_WASDOL) == 0)
+ tflags |= LEX_WASDOL;
+ else
+ tflags &= ~LEX_WASDOL;
+ }
+
+ FREE (heredelim);
+ ret[retind] = '\0';
+ if (lenp)
+ *lenp = retind;
+/*itrace("parse_comsub:%d: returning `%s'", line_number, ret);*/
+ return ret;
+}
+
+/* Recursively call the parser to parse a $(...) command substitution. */
+char *
+xparse_dolparen (base, string, indp, flags)
+ char *base;
+ char *string;
+ int *indp;
+ int flags;
+{
+ sh_parser_state_t ps;
+ sh_input_line_state_t ls;
+ int orig_ind, nc, sflags, orig_eof_token;
+ char *ret, *ep, *ostring;
+#if defined (ALIAS) || defined (DPAREN_ARITHMETIC)
+ STRING_SAVER *saved_pushed_strings;
+#endif
+
+/*debug_parser(1);*/
+ orig_ind = *indp;
+ ostring = string;
+
+ if (*string == 0)
+ {
+ if (flags & SX_NOALLOC)
+ return (char *)NULL;
+
+ ret = xmalloc (1);
+ ret[0] = '\0';
+ return ret;
+ }
+
+/*itrace("xparse_dolparen: size = %d shell_input_line = `%s'", shell_input_line_size, shell_input_line);*/
+ sflags = SEVAL_NONINT|SEVAL_NOHIST|SEVAL_NOFREE;
+ if (flags & SX_NOLONGJMP)
+ sflags |= SEVAL_NOLONGJMP;
+ save_parser_state (&ps);
+ save_input_line_state (&ls);
+ orig_eof_token = shell_eof_token;
+#if defined (ALIAS) || defined (DPAREN_ARITHMETIC)
+ saved_pushed_strings = pushed_string_list; /* separate parsing context */
+ pushed_string_list = (STRING_SAVER *)NULL;
+#endif
+
+ /*(*/
+ parser_state |= PST_CMDSUBST|PST_EOFTOKEN; /* allow instant ')' */ /*(*/
+ shell_eof_token = ')';
+
+ /* Should we save and restore the bison/yacc lookahead token (yychar) here?
+ Or only if it's not YYEMPTY? */
+
+ nc = parse_string (string, "command substitution", sflags, &ep);
+
+ if (current_token == shell_eof_token)
+ yyclearin; /* might want to clear lookahead token unconditionally */
+
+ shell_eof_token = orig_eof_token;
+ restore_parser_state (&ps);
+ reset_parser ();
+ /* reset_parser clears shell_input_line and associated variables */
+ restore_input_line_state (&ls);
+
+#if defined (ALIAS) || defined (DPAREN_ARITHMETIC)
+ pushed_string_list = saved_pushed_strings;
+#endif
+
+ token_to_read = 0;
+
+ /* If parse_string returns < 0, we need to jump to top level with the
+ negative of the return value. We abandon the rest of this input line
+ first */
+ if (nc < 0)
+ {
+ clear_shell_input_line (); /* XXX */
+ jump_to_top_level (-nc); /* XXX */
+ }
+
+ /* Need to find how many characters parse_and_execute consumed, update
+ *indp, if flags != 0, copy the portion of the string parsed into RET
+ and return it. If flags & 1 (SX_NOALLOC) we can return NULL. */
+
+ /*(*/
+ if (ep[-1] != ')')
+ {
+#if DEBUG
+ if (ep[-1] != '\n')
+ itrace("xparse_dolparen:%d: ep[-1] != RPAREN (%d), ep = `%s'", line_number, ep[-1], ep);
+#endif
+ while (ep > ostring && ep[-1] == '\n') ep--;
+ }
+
+ nc = ep - ostring;
+ *indp = ep - base - 1;
+
+ /*(*/
+#if DEBUG
+ if (base[*indp] != ')')
+ itrace("xparse_dolparen:%d: base[%d] != RPAREN (%d), base = `%s'", line_number, *indp, base[*indp], base);
+ if (*indp < orig_ind)
+ itrace("xparse_dolparen:%d: *indp (%d) < orig_ind (%d), orig_string = `%s'", line_number, *indp, orig_ind, ostring);
+#endif
+
+ if (flags & SX_NOALLOC)
+ return (char *)NULL;
+
+ if (nc == 0)
+ {
+ ret = xmalloc (1);
+ ret[0] = '\0';
+ }
+ else
+ ret = substring (ostring, 0, nc - 1);
+
+ return ret;
+}
+
+#if defined (DPAREN_ARITHMETIC) || defined (ARITH_FOR_COMMAND)
+/* Parse a double-paren construct. It can be either an arithmetic
+ command, an arithmetic `for' command, or a nested subshell. Returns
+ the parsed token, -1 on error, or -2 if we didn't do anything and
+ should just go on. */
+static int
+parse_dparen (c)
+ int c;
+{
+ int cmdtyp, sline;
+ char *wval;
+ WORD_DESC *wd;
+
+#if defined (ARITH_FOR_COMMAND)
+ if (last_read_token == FOR)
+ {
+ arith_for_lineno = line_number;
+ cmdtyp = parse_arith_cmd (&wval, 0);
+ if (cmdtyp == 1)
+ {
+ wd = alloc_word_desc ();
+ wd->word = wval;
+ yylval.word_list = make_word_list (wd, (WORD_LIST *)NULL);
+ return (ARITH_FOR_EXPRS);
}
- /* Parse an old-style command substitution within double quotes as a
- single word. */
- /* XXX - sh and ksh93 don't do this - XXX */
- else if (open == '"' && ch == '`')
+ else
+ return -1; /* ERROR */
+ }
+#endif
+
+#if defined (DPAREN_ARITHMETIC)
+ if (reserved_word_acceptable (last_read_token))
+ {
+ sline = line_number;
+
+ cmdtyp = parse_arith_cmd (&wval, 0);
+ if (cmdtyp == 1) /* arithmetic command */
{
- nestret = parse_matched_pair (0, '`', '`', &nestlen, 0);
- if (nestret == &matched_pair_error)
- {
- free (ret);
- return &matched_pair_error;
- }
- if (nestlen)
- {
- RESIZE_MALLOCED_BUFFER (ret, retind, nestlen, retsize, 64);
- strcpy (ret + retind, nestret);
- retind += nestlen;
- }
- FREE (nestret);
+ wd = alloc_word_desc ();
+ wd->word = wval;
+ wd->flags = W_QUOTED|W_NOSPLIT|W_NOGLOB|W_DQUOTE;
+ yylval.word_list = make_word_list (wd, (WORD_LIST *)NULL);
+ return (ARITH_CMD);
}
- else if (was_dollar && (ch == '(' || ch == '{' || ch == '[')) /* ) } ] */
- /* check for $(), $[], or ${} inside quoted string. */
+ else if (cmdtyp == 0) /* nested subshell */
{
- if (open == ch) /* undo previous increment */
- count--;
- if (ch == '(') /* ) */
- nestret = parse_matched_pair (0, '(', ')', &nestlen, 0);
- else if (ch == '{') /* } */
- nestret = parse_matched_pair (0, '{', '}', &nestlen, P_FIRSTCLOSE);
- else if (ch == '[') /* ] */
- nestret = parse_matched_pair (0, '[', ']', &nestlen, 0);
- if (nestret == &matched_pair_error)
- {
- free (ret);
- return &matched_pair_error;
- }
- if (nestlen)
- {
- RESIZE_MALLOCED_BUFFER (ret, retind, nestlen, retsize, 64);
- strcpy (ret + retind, nestret);
- retind += nestlen;
- }
- FREE (nestret);
+ push_string (wval, 0, (alias_t *)NULL);
+ pushed_string_list->flags = PSH_DPAREN;
+ if ((parser_state & PST_CASEPAT) == 0)
+ parser_state |= PST_SUBSHELL;
+ return (c);
}
- was_dollar = (ch == '$');
+ else /* ERROR */
+ return -1;
}
+#endif
- ret[retind] = '\0';
- if (lenp)
- *lenp = retind;
- return ret;
+ return -2; /* XXX */
}
-#if defined (DPAREN_ARITHMETIC) || defined (ARITH_FOR_COMMAND)
/* We've seen a `(('. Look for the matching `))'. If we get it, return 1.
If not, assume it's a nested subshell for backwards compatibility and
return 0. In any case, put the characters we've consumed into a locally-
allocated buffer and make *ep point to that buffer. Return -1 on an
error, for example EOF. */
static int
-parse_arith_cmd (ep)
+parse_arith_cmd (ep, adddq)
char **ep;
+ int adddq;
{
int exp_lineno, rval, c;
- char *ttok, *token;
+ char *ttok, *tokstr;
int ttoklen;
exp_lineno = line_number;
return -1;
/* Check that the next character is the closing right paren. If
not, this is a syntax error. ( */
- if ((c = shell_getc (0)) != ')')
+ c = shell_getc (0);
+ if MBTEST(c != ')')
rval = 0;
- token = xmalloc (ttoklen + 4);
+ tokstr = (char *)xmalloc (ttoklen + 4);
- /* (( ... )) -> "..." */
- token[0] = (rval == 1) ? '"' : '(';
- strncpy (token + 1, ttok, ttoklen - 1); /* don't copy the final `)' */
- if (rval == 1)
+ /* if ADDDQ != 0 then (( ... )) -> "..." */
+ if (rval == 1 && adddq) /* arith cmd, add double quotes */
{
- token[ttoklen] = '"';
- token[ttoklen+1] = '\0';
+ tokstr[0] = '"';
+ strncpy (tokstr + 1, ttok, ttoklen - 1);
+ tokstr[ttoklen] = '"';
+ tokstr[ttoklen+1] = '\0';
}
- else
+ else if (rval == 1) /* arith cmd, don't add double quotes */
+ {
+ strncpy (tokstr, ttok, ttoklen - 1);
+ tokstr[ttoklen-1] = '\0';
+ }
+ else /* nested subshell */
{
- token[ttoklen] = ')';
- token[ttoklen+1] = c;
- token[ttoklen+2] = '\0';
+ tokstr[0] = '(';
+ strncpy (tokstr + 1, ttok, ttoklen - 1);
+ tokstr[ttoklen] = ')';
+ tokstr[ttoklen+1] = c;
+ tokstr[ttoklen+2] = '\0';
}
- *ep = token;
+
+ *ep = tokstr;
FREE (ttok);
return rval;
}
#endif /* DPAREN_ARITHMETIC || ARITH_FOR_COMMAND */
#if defined (COND_COMMAND)
-static COND_COM *cond_term ();
-static COND_COM *cond_and ();
-static COND_COM *cond_or ();
-static COND_COM *cond_expr ();
+static void
+cond_error ()
+{
+ char *etext;
+
+ if (EOF_Reached && cond_token != COND_ERROR) /* [[ */
+ parser_error (cond_lineno, _("unexpected EOF while looking for `]]'"));
+ else if (cond_token != COND_ERROR)
+ {
+ if (etext = error_token_from_token (cond_token))
+ {
+ parser_error (cond_lineno, _("syntax error in conditional expression: unexpected token `%s'"), etext);
+ free (etext);
+ }
+ else
+ parser_error (cond_lineno, _("syntax error in conditional expression"));
+ }
+}
static COND_COM *
cond_expr ()
{
while ((cond_token = read_token (READ)) == '\n')
{
- if (interactive && (bash_input.type == st_stdin || bash_input.type == st_stream))
+ if (SHOULD_PROMPT ())
prompt_again ();
}
return (cond_token);
WORD_DESC *op;
COND_COM *term, *tleft, *tright;
int tok, lineno;
+ char *etext;
/* Read a token. It can be a left paren, a `!', a unary operator, or a
word that should be the first argument of a binary operator. Start by
{
if (term)
dispose_cond_node (term); /* ( */
- parser_error (lineno, "expected `)'");
+ if (etext = error_token_from_token (cond_token))
+ {
+ parser_error (lineno, _("unexpected token `%s', expected `)'"), etext);
+ free (etext);
+ }
+ else
+ parser_error (lineno, _("expected `)'"));
COND_RETURN_ERROR ();
}
term = make_cond_node (COND_EXPR, (WORD_DESC *)NULL, term, (COND_COM *)NULL);
if (term)
term->flags |= CMD_INVERT_RETURN;
}
- else if (tok == WORD && test_unop (yylval.word->word))
+ else if (tok == WORD && yylval.word->word[0] == '-' && yylval.word->word[1] && yylval.word->word[2] == 0 && test_unop (yylval.word->word))
{
op = yylval.word;
tok = read_token (READ);
else
{
dispose_word (op);
- parser_error (line_number, "unexpected argument to conditional unary operator");
+ if (etext = error_token_from_token (tok))
+ {
+ parser_error (line_number, _("unexpected argument `%s' to conditional unary operator"), etext);
+ free (etext);
+ }
+ else
+ parser_error (line_number, _("unexpected argument to conditional unary operator"));
COND_RETURN_ERROR ();
}
/* binop */
tok = read_token (READ);
if (tok == WORD && test_binop (yylval.word->word))
- op = yylval.word;
+ {
+ op = yylval.word;
+ if (op->word[0] == '=' && (op->word[1] == '\0' || (op->word[1] == '=' && op->word[2] == '\0')))
+ parser_state |= PST_EXTPAT;
+ else if (op->word[0] == '!' && op->word[1] == '=' && op->word[2] == '\0')
+ parser_state |= PST_EXTPAT;
+ }
+#if defined (COND_REGEXP)
+ else if (tok == WORD && STREQ (yylval.word->word, "=~"))
+ {
+ op = yylval.word;
+ parser_state |= PST_REGEXP;
+ }
+#endif
else if (tok == '<' || tok == '>')
- op = make_word_from_token (tok);
- else if (tok == COND_END || tok == AND_AND || tok == OR_OR)
+ op = make_word_from_token (tok); /* ( */
+ /* There should be a check before blindly accepting the `)' that we have
+ seen the opening `('. */
+ else if (tok == COND_END || tok == AND_AND || tok == OR_OR || tok == ')')
{
/* Special case. [[ x ]] is equivalent to [[ -n x ]], just like
the test command. Similarly for [[ x && expr ]] or
- [[ x || expr ]] */
+ [[ x || expr ]] or [[ (x) ]]. */
op = make_word ("-n");
term = make_cond_node (COND_UNARY, op, tleft, (COND_COM *)NULL);
cond_token = tok;
}
else
{
- parser_error (line_number, "conditional binary operator expected");
+ if (etext = error_token_from_token (tok))
+ {
+ parser_error (line_number, _("unexpected token `%s', conditional binary operator expected"), etext);
+ free (etext);
+ }
+ else
+ parser_error (line_number, _("conditional binary operator expected"));
dispose_cond_node (tleft);
COND_RETURN_ERROR ();
}
/* rhs */
+ if (parser_state & PST_EXTPAT)
+ extended_glob = 1;
tok = read_token (READ);
+ if (parser_state & PST_EXTPAT)
+ extended_glob = global_extglob;
+ parser_state &= ~(PST_REGEXP|PST_EXTPAT);
+
if (tok == WORD)
{
tright = make_cond_node (COND_TERM, yylval.word, (COND_COM *)NULL, (COND_COM *)NULL);
}
else
{
- parser_error (line_number, "unexpected argument to conditional binary operator");
+ if (etext = error_token_from_token (tok))
+ {
+ parser_error (line_number, _("unexpected argument `%s' to conditional binary operator"), etext);
+ free (etext);
+ }
+ else
+ parser_error (line_number, _("unexpected argument to conditional binary operator"));
dispose_cond_node (tleft);
dispose_word (op);
COND_RETURN_ERROR ();
else
{
if (tok < 256)
- parser_error (line_number, "unexpected token `%c' in conditional command", tok);
+ parser_error (line_number, _("unexpected token `%c' in conditional command"), tok);
+ else if (etext = error_token_from_token (tok))
+ {
+ parser_error (line_number, _("unexpected token `%s' in conditional command"), etext);
+ free (etext);
+ }
else
- parser_error (line_number, "unexpected token %d in conditional command", tok);
+ parser_error (line_number, _("unexpected token %d in conditional command"), tok);
COND_RETURN_ERROR ();
}
return (term);
{
COND_COM *cexp;
+ global_extglob = extended_glob;
cexp = cond_expr ();
return (make_cond_command (cexp));
}
#endif
+#if defined (ARRAY_VARS)
+/* When this is called, it's guaranteed that we don't care about anything
+ in t beyond i. We use a buffer with room for the characters we add just
+ in case assignment() ends up doing something like parsing a command
+ substitution that will reallocate atoken. We don't want to write beyond
+ the end of an allocated buffer. */
+static int
+token_is_assignment (t, i)
+ char *t;
+ int i;
+{
+ int r;
+ char *atoken;
+
+ atoken = xmalloc (i + 3);
+ memcpy (atoken, t, i);
+ atoken[i] = '=';
+ atoken[i+1] = '\0';
+
+ r = assignment (atoken, (parser_state & PST_COMPASSIGN) != 0);
+
+ free (atoken);
+
+ /* XXX - check that r == i to avoid returning false positive for
+ t containing `=' before t[i]. */
+ return (r > 0 && r == i);
+}
+
+/* XXX - possible changes here for `+=' */
+static int
+token_is_ident (t, i)
+ char *t;
+ int i;
+{
+ unsigned char c;
+ int r;
+
+ c = t[i];
+ t[i] = '\0';
+ r = legal_identifier (t);
+ t[i] = c;
+ return r;
+}
+#endif
+
static int
read_token_word (character)
int character;
int token_index;
/* ALL_DIGITS becomes zero when we see a non-digit. */
- int all_digits;
+ int all_digit_token;
/* DOLLAR_PRESENT becomes non-zero if we see a `$'. */
int dollar_present;
+ /* COMPOUND_ASSIGNMENT becomes non-zero if we are parsing a compound
+ assignment. */
+ int compound_assignment;
+
/* QUOTED becomes non-zero if we see one of ("), ('), (`), or (\). */
int quoted;
/* Non-zero means to ignore the value of the next character, and just
to add it no matter what. */
- int pass_next_character;
+ int pass_next_character;
/* The current delimiting character. */
int cd;
int result, peek_char;
char *ttok, *ttrans;
int ttoklen, ttranslen;
+ intmax_t lvalue;
if (token_buffer_size < TOKEN_DEFAULT_INITIAL_SIZE)
- token = xrealloc (token, token_buffer_size = TOKEN_DEFAULT_INITIAL_SIZE);
+ token = (char *)xrealloc (token, token_buffer_size = TOKEN_DEFAULT_INITIAL_SIZE);
token_index = 0;
- all_digits = digit (character);
- dollar_present = quoted = pass_next_character = 0;
+ all_digit_token = DIGIT (character);
+ dollar_present = quoted = pass_next_character = compound_assignment = 0;
for (;;)
{
if (pass_next_character)
{
pass_next_character = 0;
- goto got_character;
+ goto got_escaped_character;
}
cd = current_delimiter (dstack);
/* Handle backslashes. Quote lots of things when not inside of
double-quotes, quote some things inside of double-quotes. */
- if (character == '\\')
+ if MBTEST(character == '\\')
{
peek_char = shell_getc (0);
/* If the next character is to be quoted, note it now. */
if (cd == 0 || cd == '`' ||
- (cd == '"' && member (peek_char, slashify_in_quotes)))
+ (cd == '"' && peek_char >= 0 && (sh_syntaxtab[peek_char] & CBSDQUOTE)))
pass_next_character++;
quoted = 1;
}
/* Parse a matched pair of quote characters. */
- if (shellquote (character))
+ if MBTEST(shellquote (character))
{
push_delimiter (dstack, character);
- ttok = parse_matched_pair (character, character, character, &ttoklen, 0);
+ ttok = parse_matched_pair (character, character, character, &ttoklen, (character == '`') ? P_COMMAND : 0);
pop_delimiter (dstack);
if (ttok == &matched_pair_error)
return -1; /* Bail immediately. */
token[token_index++] = character;
strcpy (token + token_index, ttok);
token_index += ttoklen;
- all_digits = 0;
- quoted = 1;
+ all_digit_token = 0;
+ if (character != '`')
+ quoted = 1;
dollar_present |= (character == '"' && strchr (ttok, '$') != 0);
FREE (ttok);
goto next_character;
}
+#ifdef COND_REGEXP
+ /* When parsing a regexp as a single word inside a conditional command,
+ we need to special-case characters special to both the shell and
+ regular expressions. Right now, that is only '(' and '|'. */ /*)*/
+ if MBTEST((parser_state & PST_REGEXP) && (character == '(' || character == '|')) /*)*/
+ {
+ if (character == '|')
+ goto got_character;
+
+ push_delimiter (dstack, character);
+ ttok = parse_matched_pair (cd, '(', ')', &ttoklen, 0);
+ pop_delimiter (dstack);
+ if (ttok == &matched_pair_error)
+ return -1; /* Bail immediately. */
+ RESIZE_MALLOCED_BUFFER (token, token_index, ttoklen + 2,
+ token_buffer_size, TOKEN_DEFAULT_GROW_SIZE);
+ token[token_index++] = character;
+ strcpy (token + token_index, ttok);
+ token_index += ttoklen;
+ FREE (ttok);
+ dollar_present = all_digit_token = 0;
+ goto next_character;
+ }
+#endif /* COND_REGEXP */
+
#ifdef EXTENDED_GLOB
/* Parse a ksh-style extended pattern matching specification. */
- if (extended_glob && PATTERN_CHAR(character))
+ if MBTEST(extended_glob && PATTERN_CHAR (character))
{
peek_char = shell_getc (1);
- if (peek_char == '(') /* ) */
+ if MBTEST(peek_char == '(') /* ) */
{
push_delimiter (dstack, peek_char);
ttok = parse_matched_pair (cd, '(', ')', &ttoklen, 0);
pop_delimiter (dstack);
if (ttok == &matched_pair_error)
return -1; /* Bail immediately. */
- RESIZE_MALLOCED_BUFFER (token, token_index, ttoklen + 2,
+ RESIZE_MALLOCED_BUFFER (token, token_index, ttoklen + 3,
token_buffer_size,
TOKEN_DEFAULT_GROW_SIZE);
token[token_index++] = character;
strcpy (token + token_index, ttok);
token_index += ttoklen;
FREE (ttok);
- dollar_present = all_digits = 0;
+ dollar_present = all_digit_token = 0;
goto next_character;
}
else
/* If the delimiter character is not single quote, parse some of
the shell expansions that must be read as a single word. */
-#if defined (PROCESS_SUBSTITUTION)
- if (character == '$' || character == '<' || character == '>')
-#else
- if (character == '$')
-#endif /* !PROCESS_SUBSTITUTION */
+ if (shellexp (character))
{
peek_char = shell_getc (1);
/* $(...), <(...), >(...), $((...)), ${...}, and $[...] constructs */
- if (peek_char == '(' ||
+ if MBTEST(peek_char == '(' ||
((peek_char == '{' || peek_char == '[') && character == '$')) /* ) ] } */
{
if (peek_char == '{') /* } */
- ttok = parse_matched_pair (cd, '{', '}', &ttoklen, P_FIRSTCLOSE);
+ ttok = parse_matched_pair (cd, '{', '}', &ttoklen, P_FIRSTCLOSE|P_DOLBRACE);
else if (peek_char == '(') /* ) */
{
/* XXX - push and pop the `(' as a delimiter for use by
history literally rather than causing a possibly-
incorrect `;' to be added. ) */
push_delimiter (dstack, peek_char);
- ttok = parse_matched_pair (cd, '(', ')', &ttoklen, 0);
+ ttok = parse_comsub (cd, '(', ')', &ttoklen, P_COMMAND);
pop_delimiter (dstack);
}
else
ttok = parse_matched_pair (cd, '[', ']', &ttoklen, 0);
if (ttok == &matched_pair_error)
return -1; /* Bail immediately. */
- RESIZE_MALLOCED_BUFFER (token, token_index, ttoklen + 2,
+ RESIZE_MALLOCED_BUFFER (token, token_index, ttoklen + 3,
token_buffer_size,
TOKEN_DEFAULT_GROW_SIZE);
token[token_index++] = character;
token_index += ttoklen;
FREE (ttok);
dollar_present = 1;
- all_digits = 0;
+ all_digit_token = 0;
goto next_character;
}
/* This handles $'...' and $"..." new-style quoted strings. */
- else if (character == '$' && (peek_char == '\'' || peek_char == '"'))
+ else if MBTEST(character == '$' && (peek_char == '\'' || peek_char == '"'))
{
int first_line;
{
ttrans = ansiexpand (ttok, 0, ttoklen - 1, &ttranslen);
free (ttok);
+
/* Insert the single quotes and correctly quote any
embedded single quotes (allowed because P_ALLOWESC was
passed to parse_matched_pair). */
- ttok = single_quote (ttrans);
+ ttok = sh_single_quote (ttrans);
free (ttrans);
+ ttranslen = strlen (ttok);
ttrans = ttok;
- ttranslen = strlen (ttrans);
}
else
{
free (ttok);
/* Add the double quotes back */
- ttok = xmalloc (ttranslen + 3);
- ttok[0] = '"';
- strcpy (ttok + 1, ttrans);
- ttok[ttranslen + 1] = '"';
- ttok[ttranslen += 2] = '\0';
+ ttok = sh_mkdoublequoted (ttrans, ttranslen, 0);
free (ttrans);
+ ttranslen += 2;
ttrans = ttok;
}
- RESIZE_MALLOCED_BUFFER (token, token_index, ttranslen + 2,
+ RESIZE_MALLOCED_BUFFER (token, token_index, ttranslen + 1,
token_buffer_size,
TOKEN_DEFAULT_GROW_SIZE);
strcpy (token + token_index, ttrans);
token_index += ttranslen;
FREE (ttrans);
quoted = 1;
- all_digits = 0;
+ all_digit_token = 0;
goto next_character;
}
/* This could eventually be extended to recognize all of the
shell's single-character parameter expansions, and set flags.*/
- else if (character == '$' && peek_char == '$')
+ else if MBTEST(character == '$' && peek_char == '$')
{
- ttok = xmalloc (3);
- ttok[0] = ttok[1] = '$';
- ttok[2] = '\0';
RESIZE_MALLOCED_BUFFER (token, token_index, 3,
token_buffer_size,
TOKEN_DEFAULT_GROW_SIZE);
- strcpy (token + token_index, ttok);
- token_index += 2;
+ token[token_index++] = '$';
+ token[token_index++] = peek_char;
dollar_present = 1;
- all_digits = 0;
- FREE (ttok);
+ all_digit_token = 0;
goto next_character;
}
else
}
#if defined (ARRAY_VARS)
+ /* Identify possible array subscript assignment; match [...]. If
+ parser_state&PST_COMPASSIGN, we need to parse [sub]=words treating
+ `sub' as if it were enclosed in double quotes. */
+ else if MBTEST(character == '[' && /* ] */
+ ((token_index > 0 && assignment_acceptable (last_read_token) && token_is_ident (token, token_index)) ||
+ (token_index == 0 && (parser_state&PST_COMPASSIGN))))
+ {
+ ttok = parse_matched_pair (cd, '[', ']', &ttoklen, P_ARRAYSUB);
+ if (ttok == &matched_pair_error)
+ return -1; /* Bail immediately. */
+ RESIZE_MALLOCED_BUFFER (token, token_index, ttoklen + 2,
+ token_buffer_size,
+ TOKEN_DEFAULT_GROW_SIZE);
+ token[token_index++] = character;
+ strcpy (token + token_index, ttok);
+ token_index += ttoklen;
+ FREE (ttok);
+ all_digit_token = 0;
+ goto next_character;
+ }
/* Identify possible compound array variable assignment. */
- else if (character == '=' && token_index > 0)
+ else if MBTEST(character == '=' && token_index > 0 && (assignment_acceptable (last_read_token) || (parser_state & PST_ASSIGNOK)) && token_is_assignment (token, token_index))
{
peek_char = shell_getc (1);
- if (peek_char == '(') /* ) */
+ if MBTEST(peek_char == '(') /* ) */
{
- ttok = parse_matched_pair (cd, '(', ')', &ttoklen, 0);
- if (ttok == &matched_pair_error)
- return -1; /* Bail immediately. */
- if (ttok[0] == '(') /* ) */
- {
- FREE (ttok);
- return -1;
- }
- RESIZE_MALLOCED_BUFFER (token, token_index, ttoklen + 2,
+ ttok = parse_compound_assignment (&ttoklen);
+
+ RESIZE_MALLOCED_BUFFER (token, token_index, ttoklen + 4,
token_buffer_size,
TOKEN_DEFAULT_GROW_SIZE);
- token[token_index++] = character;
- token[token_index++] = peek_char;
- strcpy (token + token_index, ttok);
- token_index += ttoklen;
+
+ token[token_index++] = '=';
+ token[token_index++] = '(';
+ if (ttok)
+ {
+ strcpy (token + token_index, ttok);
+ token_index += ttoklen;
+ }
+ token[token_index++] = ')';
FREE (ttok);
- all_digits = 0;
+ all_digit_token = 0;
+ compound_assignment = 1;
+#if 1
goto next_character;
+#else
+ goto got_token; /* ksh93 seems to do this */
+#endif
}
else
shell_ungetc (peek_char);
/* When not parsing a multi-character word construct, shell meta-
characters break words. */
- if (shellbreak (character))
+ if MBTEST(shellbreak (character))
{
shell_ungetc (character);
goto got_token;
}
- got_character:
-
- all_digits &= digit (character);
- dollar_present |= character == '$';
-
+got_character:
if (character == CTLESC || character == CTLNUL)
- token[token_index++] = CTLESC;
+ {
+ RESIZE_MALLOCED_BUFFER (token, token_index, 2, token_buffer_size,
+ TOKEN_DEFAULT_GROW_SIZE);
+ token[token_index++] = CTLESC;
+ }
+ else
+got_escaped_character:
+ RESIZE_MALLOCED_BUFFER (token, token_index, 1, token_buffer_size,
+ TOKEN_DEFAULT_GROW_SIZE);
token[token_index++] = character;
- RESIZE_MALLOCED_BUFFER (token, token_index, 1, token_buffer_size,
- TOKEN_DEFAULT_GROW_SIZE);
+ all_digit_token &= DIGIT (character);
+ dollar_present |= character == '$';
next_character:
- if (character == '\n' && interactive &&
- (bash_input.type == st_stdin || bash_input.type == st_stream))
+ if (character == '\n' && SHOULD_PROMPT ())
prompt_again ();
/* We want to remove quoted newlines (that is, a \<newline> pair)
got_token:
+ /* Calls to RESIZE_MALLOCED_BUFFER ensure there is sufficient room. */
token[token_index] = '\0';
/* Check to see what thing we should return. If the last_read_token
is a `<', or a `&', or the character which ended this token is
a '>' or '<', then, and ONLY then, is this input token a NUMBER.
Otherwise, it is just a word, and should be returned as such. */
- if (all_digits && (character == '<' || character == '>' ||
+ if MBTEST(all_digit_token && (character == '<' || character == '>' ||
last_read_token == LESS_AND ||
last_read_token == GREATER_AND))
{
- yylval.number = atoi (token);
- return (NUMBER);
+ if (legal_number (token, &lvalue) && (int)lvalue == lvalue)
+ {
+ yylval.number = lvalue;
+ return (NUMBER);
+ }
}
/* Check for special case tokens. */
- result = special_case_tokens (token);
+ result = (last_shell_getc_is_singlebyte) ? special_case_tokens (token) : -1;
if (result >= 0)
return result;
/* Posix.2 does not allow reserved words to be aliased, so check for all
of them, including special cases, before expanding the current token
as an alias. */
- if (posixly_correct)
+ if MBTEST(posixly_correct)
CHECK_FOR_RESERVED_WORD (token);
/* Aliases are expanded iff EXPAND_ALIASES is non-zero, and quoting
/* If not in Posix.2 mode, check for reserved words after alias
expansion. */
- if (posixly_correct == 0)
+ if MBTEST(posixly_correct == 0)
#endif
CHECK_FOR_RESERVED_WORD (token);
- the_word = (WORD_DESC *)xmalloc (sizeof (WORD_DESC));
- the_word->word = xmalloc (1 + token_index);
+ the_word = alloc_word_desc ();
+ the_word->word = (char *)xmalloc (1 + token_index);
the_word->flags = 0;
strcpy (the_word->word, token);
if (dollar_present)
the_word->flags |= W_HASDOLLAR;
if (quoted)
- the_word->flags |= W_QUOTED;
+ the_word->flags |= W_QUOTED; /*(*/
+ if (compound_assignment && token[token_index-1] == ')')
+ the_word->flags |= W_COMPASSIGN;
/* A word is an assignment if it appears at the beginning of a
simple command, or after another assignment word. This is
context-dependent, so it cannot be handled in the grammar. */
- if (assignment (token))
+ if (assignment (token, (parser_state & PST_COMPASSIGN) != 0))
{
the_word->flags |= W_ASSIGNMENT;
/* Don't perform word splitting on assignment statements. */
- if (assignment_acceptable (last_read_token))
- the_word->flags |= W_NOSPLIT;
- }
-
- yylval.word = the_word;
-
- result = ((the_word->flags & (W_ASSIGNMENT|W_NOSPLIT)) == (W_ASSIGNMENT|W_NOSPLIT))
- ? ASSIGNMENT_WORD : WORD;
-
- if (last_read_token == FUNCTION)
- {
- parser_state |= PST_ALLOWOPNBRC;
- function_dstart = line_number;
+ if (assignment_acceptable (last_read_token) || (parser_state & PST_COMPASSIGN) != 0)
+ {
+ the_word->flags |= W_NOSPLIT;
+ if (parser_state & PST_COMPASSIGN)
+ the_word->flags |= W_NOGLOB; /* XXX - W_NOBRACE? */
+ }
}
- return (result);
-}
-
-/* $'...' ANSI-C expand the portion of STRING between START and END and
- return the result. The result cannot be longer than the input string. */
-static char *
-ansiexpand (string, start, end, lenp)
- char *string;
- int start, end, *lenp;
-{
- char *temp, *t;
- int len, tlen;
-
- temp = xmalloc (end - start + 1);
- for (tlen = 0, len = start; len < end; )
- temp[tlen++] = string[len++];
- temp[tlen] = '\0';
-
- if (*temp)
- {
- t = ansicstr (temp, tlen, 0, (int *)NULL, lenp);
- free (temp);
- return (t);
- }
- else
+ if (command_token_position (last_read_token))
{
- if (lenp)
- *lenp = 0;
- return (temp);
+ struct builtin *b;
+ b = builtin_address_internal (token, 0);
+ if (b && (b->flags & ASSIGNMENT_BUILTIN))
+ parser_state |= PST_ASSIGNOK;
+ else if (STREQ (token, "eval") || STREQ (token, "let"))
+ parser_state |= PST_ASSIGNOK;
}
-}
-
-/* Change a bash string into a string suitable for inclusion in a `po' file.
- This backslash-escapes `"' and `\' and changes newlines into \\\n"\n". */
-static char *
-mk_msgstr (string, foundnlp)
- char *string;
- int *foundnlp;
-{
- register int c, len;
- char *result, *r, *s;
- for (len = 0, s = string; s && *s; s++)
- {
- len++;
- if (*s == '"' || *s == '\\')
- len++;
- else if (*s == '\n')
- len += 5;
- }
-
- r = result = xmalloc (len + 3);
- *r++ = '"';
+ yylval.word = the_word;
- for (s = string; s && (c = *s); s++)
+ /* should we check that quoted == 0 as well? */
+ if (token[0] == '{' && token[token_index-1] == '}' &&
+ (character == '<' || character == '>'))
{
- if (c == '\n') /* <NL> -> \n"<NL>" */
+ /* can use token; already copied to the_word */
+ token[token_index-1] = '\0';
+#if defined (ARRAY_VARS)
+ if (legal_identifier (token+1) || valid_array_reference (token+1, 0))
+#else
+ if (legal_identifier (token+1))
+#endif
{
- *r++ = '\\';
- *r++ = 'n';
- *r++ = '"';
- *r++ = '\n';
- *r++ = '"';
- if (foundnlp)
- *foundnlp = 1;
- continue;
+ strcpy (the_word->word, token+1);
+/* itrace("read_token_word: returning REDIR_WORD for %s", the_word->word); */
+ yylval.word = the_word; /* accommodate recursive call */
+ return (REDIR_WORD);
}
- if (c == '"' || c == '\\')
- *r++ = '\\';
- *r++ = c;
+ else
+ /* valid_array_reference can call the parser recursively; need to
+ make sure that yylval.word doesn't change if we are going to
+ return WORD or ASSIGNMENT_WORD */
+ yylval.word = the_word;
}
- *r++ = '"';
- *r++ = '\0';
-
- return result;
-}
-
-/* $"..." -- Translate the portion of STRING between START and END
- according to current locale using gettext (if available) and return
- the result. The caller will take care of leaving the quotes intact.
- The string will be left without the leading `$' by the caller.
- If translation is performed, the translated string will be double-quoted
- by the caller. The length of the translated string is returned in LENP,
- if non-null. */
-static char *
-localeexpand (string, start, end, lineno, lenp)
- char *string;
- int start, end, lineno, *lenp;
-{
- int len, tlen, foundnl;
- char *temp, *t, *t2;
-
- temp = xmalloc (end - start + 1);
- for (tlen = 0, len = start; len < end; )
- temp[tlen++] = string[len++];
- temp[tlen] = '\0';
-
- /* If we're just dumping translatable strings, don't do anything with the
- string itself, but if we're dumping in `po' file format, convert it into a form more palatable to gettext(3)
- and friends by quoting `"' and `\' with backslashes and converting <NL>
- into `\n"<NL>"'. If we find a newline in TEMP, we first output a
- `msgid ""' line and then the translated string; otherwise we output the
- `msgid' and translated string all on one line. */
- if (dump_translatable_strings)
- {
- if (dump_po_strings)
- {
- foundnl = 0;
- t = mk_msgstr (temp, &foundnl);
- t2 = foundnl ? "\"\"\n" : "";
-
- printf ("#: %s:%d\nmsgid %s%s\nmsgstr \"\"\n",
- (bash_input.name ? bash_input.name : "stdin"), lineno, t2, t);
- free (t);
- }
- else
- printf ("\"%s\"\n", temp);
+ result = ((the_word->flags & (W_ASSIGNMENT|W_NOSPLIT)) == (W_ASSIGNMENT|W_NOSPLIT))
+ ? ASSIGNMENT_WORD : WORD;
- if (lenp)
- *lenp = tlen;
- return (temp);
- }
- else if (*temp)
- {
- t = localetrans (temp, tlen, &len);
- free (temp);
- if (lenp)
- *lenp = len;
- return (t);
- }
- else
+ switch (last_read_token)
{
- if (lenp)
- *lenp = 0;
- return (temp);
+ case FUNCTION:
+ parser_state |= PST_ALLOWOPNBRC;
+ function_dstart = line_number;
+ break;
+ case CASE:
+ case SELECT:
+ case FOR:
+ if (word_top < MAX_CASE_NEST)
+ word_top++;
+ word_lineno[word_top] = line_number;
+ expecting_in_token++;
+ break;
}
+
+ return (result);
}
-/* Return 1 if TOKEN is a token that after being read would allow
+/* Return 1 if TOKSYM is a token that after being read would allow
a reserved word to be seen, else 0. */
static int
-reserved_word_acceptable (token)
- int token;
+reserved_word_acceptable (toksym)
+ int toksym;
{
- if (token == '\n' || token == ';' || token == '(' || token == ')' ||
- token == '|' || token == '&' || token == '{' ||
- token == '}' || /* XXX */
- token == AND_AND ||
- token == BANG ||
- token == TIME || token == TIMEOPT ||
- token == DO ||
- token == ELIF ||
- token == ELSE ||
- token == FI ||
- token == IF ||
- token == OR_OR ||
- token == SEMI_SEMI ||
- token == THEN ||
- token == UNTIL ||
- token == WHILE ||
- token == DONE || /* XXX these two are experimental */
- token == ESAC ||
- token == 0)
- return (1);
- else
- return (0);
+ switch (toksym)
+ {
+ case '\n':
+ case ';':
+ case '(':
+ case ')':
+ case '|':
+ case '&':
+ case '{':
+ case '}': /* XXX */
+ case AND_AND:
+ case BANG:
+ case BAR_AND:
+ case DO:
+ case DONE:
+ case ELIF:
+ case ELSE:
+ case ESAC:
+ case FI:
+ case IF:
+ case OR_OR:
+ case SEMI_SEMI:
+ case SEMI_AND:
+ case SEMI_SEMI_AND:
+ case THEN:
+ case TIME:
+ case TIMEOPT:
+ case TIMEIGN:
+ case COPROC:
+ case UNTIL:
+ case WHILE:
+ case 0:
+ return 1;
+ default:
+#if defined (COPROCESS_SUPPORT)
+ if (last_read_token == WORD && token_before_that == COPROC)
+ return 1;
+#endif
+ if (last_read_token == WORD && token_before_that == FUNCTION)
+ return 1;
+ return 0;
+ }
}
-
+
/* Return the index of TOKEN in the alist of reserved words, or -1 if
TOKEN is not a shell reserved word. */
int
-find_reserved_word (token)
- char *token;
+find_reserved_word (tokstr)
+ char *tokstr;
{
int i;
for (i = 0; word_token_alist[i].word; i++)
- if (STREQ (token, word_token_alist[i].word))
+ if (STREQ (tokstr, word_token_alist[i].word))
return i;
return -1;
}
+/* An interface to let the rest of the shell (primarily the completion
+ system) know what the parser is expecting. */
+int
+parser_in_command_position ()
+{
+ return (command_token_position (last_read_token));
+}
+
#if 0
#if defined (READLINE)
/* Called after each time readline is called. This insures that whatever
if (temp_prompt == 0)
{
- temp_prompt = xmalloc (1);
+ temp_prompt = (char *)xmalloc (1);
temp_prompt[0] = '\0';
}
/* A list of tokens which can be followed by newlines, but not by
semi-colons. When concatenating multiple lines of history, the
newline separator for such tokens is replaced with a space. */
-static int no_semi_successors[] = {
+static const int no_semi_successors[] = {
'\n', '{', '(', ')', ';', '&', '|',
- CASE, DO, ELSE, IF, SEMI_SEMI, THEN, UNTIL, WHILE, AND_AND, OR_OR, IN,
+ CASE, DO, ELSE, IF, SEMI_SEMI, SEMI_AND, SEMI_SEMI_AND, THEN, UNTIL,
+ WHILE, AND_AND, OR_OR, IN,
0
};
/* If we are not within a delimited expression, try to be smart
about which separators can be semi-colons and which must be
newlines. Returns the string that should be added into the
- history entry. */
+ history entry. LINE is the line we're about to add; it helps
+ make some more intelligent decisions in certain cases. */
char *
-history_delimiting_chars ()
+history_delimiting_chars (line)
+ const char *line;
{
+ static int last_was_heredoc = 0; /* was the last entry the start of a here document? */
register int i;
+ if ((parser_state & PST_HEREDOC) == 0)
+ last_was_heredoc = 0;
+
if (dstack.delimiter_depth != 0)
return ("\n");
-
+
+ /* We look for current_command_line_count == 2 because we are looking to
+ add the first line of the body of the here document (the second line
+ of the command). We also keep LAST_WAS_HEREDOC as a private sentinel
+ variable to note when we think we added the first line of a here doc
+ (the one with a "<<" somewhere in it) */
+ if (parser_state & PST_HEREDOC)
+ {
+ if (last_was_heredoc)
+ {
+ last_was_heredoc = 0;
+ return "\n";
+ }
+ return (here_doc_first_line ? "\n" : "");
+ }
+
+ if (parser_state & PST_COMPASSIGN)
+ return (" ");
+
/* First, handle some special cases. */
/*(*/
/* If we just read `()', assume it's a function definition, and don't
/* This does not work for subshells inside case statement
command lists. It's a suboptimal solution. */
else if (parser_state & PST_CASESTMT) /* case statement pattern */
- return " ";
- else
- return "; "; /* (...) subshell */
+ return " ";
+ else
+ return "; "; /* (...) subshell */
}
else if (token_before_that == WORD && two_tokens_ago == FUNCTION)
return " "; /* function def using `function name' without `()' */
+ /* If we're not in a here document, but we think we're about to parse one,
+ and we would otherwise return a `;', return a newline to delimit the
+ line with the here-doc delimiter */
+ else if ((parser_state & PST_HEREDOC) == 0 && current_command_line_count > 1 && last_read_token == '\n' && strstr (line, "<<"))
+ {
+ last_was_heredoc = 1;
+ return "\n";
+ }
+ else if ((parser_state & PST_HEREDOC) == 0 && current_command_line_count > 1 && need_here_doc > 0)
+ return "\n";
else if (token_before_that == WORD && two_tokens_ago == FOR)
{
/* Tricky. `for i\nin ...' should not have a semicolon, but
`for i\ndo ...' should. We do what we can. */
- for (i = shell_input_line_index; whitespace(shell_input_line[i]); i++)
- ;
+ for (i = shell_input_line_index; whitespace (shell_input_line[i]); i++)
+ ;
if (shell_input_line[i] && shell_input_line[i] == 'i' && shell_input_line[i+1] == 'n')
return " ";
return ";";
}
+ else if (two_tokens_ago == CASE && token_before_that == WORD && (parser_state & PST_CASESTMT))
+ return " ";
for (i = 0; no_semi_successors[i]; i++)
{
return (" ");
}
+ if (line_isblank (line))
+ return ("");
+
return ("; ");
}
#endif /* HISTORY */
{
char *temp_prompt;
- if (!interactive) /* XXX */
+ if (interactive == 0 || expanding_alias ()) /* XXX */
return;
ps1_prompt = get_string_value ("PS1");
ps2_prompt = get_string_value ("PS2");
+ ps0_prompt = get_string_value ("PS0");
+
if (!prompt_string_pointer)
prompt_string_pointer = &ps1_prompt;
if (temp_prompt == 0)
{
- temp_prompt = xmalloc (1);
+ temp_prompt = (char *)xmalloc (1);
temp_prompt[0] = '\0';
}
fflush (stderr);
}
+#if defined (HISTORY)
+ /* The history library increments the history offset as soon as it stores
+ the first line of a potentially multi-line command, so we compensate
+ here by returning one fewer when appropriate. */
+static int
+prompt_history_number (pmt)
+ char *pmt;
+{
+ int ret;
+
+ ret = history_number ();
+ if (ret == 1)
+ return ret;
+
+ if (pmt == ps1_prompt) /* are we expanding $PS1? */
+ return ret;
+ else if (pmt == ps2_prompt && command_oriented_history == 0)
+ return ret; /* not command oriented history */
+ else if (pmt == ps2_prompt && command_oriented_history && current_command_first_line_saved)
+ return ret - 1;
+ else
+ return ret - 1; /* PS0, PS4, ${var@P}, PS2 other cases */
+}
+#endif
+
/* Return a string which will be printed as a prompt. The string
may contain special characters which are decoded as follows:
\a bell (ascii 07)
- \e escape (ascii 033)
\d the date in Day Mon Date format
+ \e escape (ascii 033)
\h the hostname up to the first `.'
\H the hostname
\j the number of active jobs
\l the basename of the shell's tty device name
\n CRLF
+ \r CR
\s the name of the shell
\t the time in 24-hour hh:mm:ss format
\T the time in 12-hour hh:mm:ss format
- \@ the time in 12-hour am/pm format
+ \@ the time in 12-hour hh:mm am/pm format
+ \A the time in 24-hour hh:mm format
+ \D{fmt} the result of passing FMT to strftime(3)
+ \u your username
\v the version of bash (e.g., 2.00)
\V the release of bash, version + patchlevel (e.g., 2.00.0)
\w the current working directory
\W the last element of $PWD
- \u your username
- \# the command number of this command
\! the history number of this command
+ \# the command number of this command
\$ a $ or a # if you are root
\nnn character code nnn in octal
\\ a backslash
char *string;
{
WORD_LIST *list;
- char *result, *t;
+ char *result, *t, *orig_string;
struct dstack save_dstack;
+ int last_exit_value, last_comsub_pid;
#if defined (PROMPT_STRING_DECODE)
- int result_size, result_index;
- int c, n;
- char *temp, octal_string[4];
+ size_t result_size;
+ int result_index;
+ int c, n, i;
+ char *temp, *t_host, octal_string[4];
+ struct tm *tm;
time_t the_time;
+ char timebuf[128];
+ char *timefmt;
- result = xmalloc (result_size = PROMPT_GROWTH);
+ result = (char *)xmalloc (result_size = PROMPT_GROWTH);
result[result_index = 0] = 0;
temp = (char *)NULL;
+ orig_string = string;
while (c = *string++)
{
#if !defined (HISTORY)
temp = savestring ("1");
#else /* HISTORY */
- temp = itos (history_number ());
+ temp = itos (prompt_history_number (orig_string));
#endif /* HISTORY */
string--; /* add_string increments string again. */
goto add_string;
octal_string[3] = '\0';
n = read_octal (octal_string);
- temp = xmalloc (3);
+ temp = (char *)xmalloc (3);
if (n == CTLESC || n == CTLNUL)
{
- string += 3;
temp[0] = CTLESC;
temp[1] = n;
temp[2] = '\0';
}
else
{
- string += 3;
temp[0] = n;
temp[1] = '\0';
}
- c = 0;
+ for (c = 0; n != -1 && c < 3 && ISOCTAL (*string); c++)
+ string++;
+
+ c = 0; /* tested at add_string: */
goto add_string;
- case 't':
case 'd':
+ case 't':
case 'T':
case '@':
+ case 'A':
/* Make the current time/date into a string. */
- the_time = time (0);
- temp = ctime (&the_time);
+ (void) time (&the_time);
+#if defined (HAVE_TZSET)
+ sv_tz ("TZ"); /* XXX -- just make sure */
+#endif
+ tm = localtime (&the_time);
+
+ if (c == 'd')
+ n = strftime (timebuf, sizeof (timebuf), "%a %b %d", tm);
+ else if (c == 't')
+ n = strftime (timebuf, sizeof (timebuf), "%H:%M:%S", tm);
+ else if (c == 'T')
+ n = strftime (timebuf, sizeof (timebuf), "%I:%M:%S", tm);
+ else if (c == '@')
+ n = strftime (timebuf, sizeof (timebuf), "%I:%M %p", tm);
+ else if (c == 'A')
+ n = strftime (timebuf, sizeof (timebuf), "%H:%M", tm);
+
+ if (n == 0)
+ timebuf[0] = '\0';
+ else
+ timebuf[sizeof(timebuf) - 1] = '\0';
+
+ temp = savestring (timebuf);
+ goto add_string;
- temp = (c != 'd') ? savestring (temp + 11) : savestring (temp);
- temp[(c != 'd') ? 8 : 10] = '\0';
+ case 'D': /* strftime format */
+ if (string[1] != '{') /* } */
+ goto not_escape;
- /* quick and dirty conversion to 12-hour time */
- if (c == 'T' || c == '@')
+ (void) time (&the_time);
+ tm = localtime (&the_time);
+ string += 2; /* skip { */
+ timefmt = xmalloc (strlen (string) + 3);
+ for (t = timefmt; *string && *string != '}'; )
+ *t++ = *string++;
+ *t = '\0';
+ c = *string; /* tested at add_string */
+ if (timefmt[0] == '\0')
{
- if (c == '@')
- {
- temp[5] = 'a'; /* am/pm format */
- temp[6] = 'm';
- temp[7] = '\0';
- }
- c = temp[2];
- temp[2] = '\0';
- n = atoi (temp);
- temp[2] = c;
- n -= 12;
- if (n > 0)
- {
- temp[0] = (n / 10) + '0';
- temp[1] = (n % 10) + '0';
- }
- if (n >= 0 && temp[5] == 'a')
- temp[5] = 'p';
+ timefmt[0] = '%';
+ timefmt[1] = 'X'; /* locale-specific current time */
+ timefmt[2] = '\0';
}
- goto add_string;
+ n = strftime (timebuf, sizeof (timebuf), timefmt, tm);
+ free (timefmt);
- case 'r':
- temp = xmalloc (2);
- temp[0] = '\r';
- temp[1] = '\0';
- goto add_string;
+ if (n == 0)
+ timebuf[0] = '\0';
+ else
+ timebuf[sizeof(timebuf) - 1] = '\0';
+ if (promptvars || posixly_correct)
+ /* Make sure that expand_prompt_string is called with a
+ second argument of Q_DOUBLE_QUOTES if we use this
+ function here. */
+ temp = sh_backslash_quote_for_double_quotes (timebuf);
+ else
+ temp = savestring (timebuf);
+ goto add_string;
+
case 'n':
- temp = xmalloc (3);
+ temp = (char *)xmalloc (3);
temp[0] = no_line_editing ? '\n' : '\r';
temp[1] = no_line_editing ? '\0' : '\n';
temp[2] = '\0';
case 's':
temp = base_pathname (shell_name);
- temp = savestring (temp);
+ /* Try to quote anything the user can set in the file system */
+ if (promptvars || posixly_correct)
+ temp = sh_backslash_quote_for_double_quotes (temp);
+ else
+ temp = savestring (temp);
goto add_string;
case 'v':
case 'V':
- temp = xmalloc (8);
+ temp = (char *)xmalloc (16);
if (c == 'v')
strcpy (temp, dist_version);
else
{
if (getcwd (t_string, sizeof(t_string)) == 0)
{
- t_string[0] = '.';
+ t_string[0] = '.';
tlen = 1;
}
else
}
t_string[tlen] = '\0';
- if (c == 'W')
+#if defined (MACOSX)
+ /* Convert from "fs" format to "input" format */
+ temp = fnx_fromfs (t_string, strlen (t_string));
+ if (temp != t_string)
+ strcpy (t_string, temp);
+#endif
+
+#define ROOT_PATH(x) ((x)[0] == '/' && (x)[1] == 0)
+#define DOUBLE_SLASH_ROOT(x) ((x)[0] == '/' && (x)[1] == '/' && (x)[2] == 0)
+ /* Abbreviate \W as ~ if $PWD == $HOME */
+ if (c == 'W' && (((t = get_string_value ("HOME")) == 0) || STREQ (t, t_string) == 0))
{
- t = strrchr (t_string, '/');
- if (t && t != t_string)
- strcpy (t_string, t + 1);
+ if (ROOT_PATH (t_string) == 0 && DOUBLE_SLASH_ROOT (t_string) == 0)
+ {
+ t = strrchr (t_string, '/');
+ if (t)
+ memmove (t_string, t + 1, strlen (t)); /* strlen(t) to copy NULL */
+ }
}
+#undef ROOT_PATH
+#undef DOUBLE_SLASH_ROOT
else
- /* polite_directory_format is guaranteed to return a string
- no longer than PATH_MAX - 1 characters. */
- strcpy (t_string, polite_directory_format (t_string));
+ {
+ /* polite_directory_format is guaranteed to return a string
+ no longer than PATH_MAX - 1 characters. */
+ temp = polite_directory_format (t_string);
+ if (temp != t_string)
+ strcpy (t_string, temp);
+ }
+ temp = trim_pathname (t_string, PATH_MAX - 1);
/* If we're going to be expanding the prompt string later,
quote the directory name. */
if (promptvars || posixly_correct)
-#if 0
- temp = backslash_quote (t_string);
-#else
/* Make sure that expand_prompt_string is called with a
- second argument of Q_DOUBLE_QUOTE if we use this
+ second argument of Q_DOUBLE_QUOTES if we use this
function here. */
- temp = backslash_quote_for_double_quotes (t_string);
-#endif
+ temp = sh_backslash_quote_for_double_quotes (t_string);
else
temp = savestring (t_string);
case 'h':
case 'H':
- temp = savestring (current_host_name);
- if (c == 'h' && (t = (char *)strchr (temp, '.')))
+ t_host = savestring (current_host_name);
+ if (c == 'h' && (t = (char *)strchr (t_host, '.')))
*t = '\0';
+ if (promptvars || posixly_correct)
+ /* Make sure that expand_prompt_string is called with a
+ second argument of Q_DOUBLE_QUOTES if we use this
+ function here. */
+ temp = sh_backslash_quote_for_double_quotes (t_host);
+ else
+ temp = savestring (t_host);
+ free (t_host);
goto add_string;
case '#':
- temp = itos (current_command_number);
+ n = current_command_number;
+ /* If we have already incremented current_command_number (PS4,
+ ${var@P}), compensate */
+ if (orig_string != ps0_prompt && orig_string != ps1_prompt && orig_string != ps2_prompt)
+ n--;
+ temp = itos (n);
goto add_string;
case '!':
#if !defined (HISTORY)
temp = savestring ("1");
#else /* HISTORY */
- temp = itos (history_number ());
+ temp = itos (prompt_history_number (orig_string));
#endif /* HISTORY */
goto add_string;
case '$':
- t = temp = xmalloc (3);
+ t = temp = (char *)xmalloc (3);
if ((promptvars || posixly_correct) && (current_user.euid != 0))
*t++ = '\\';
*t++ = current_user.euid == 0 ? '#' : '$';
#if defined (READLINE)
case '[':
case ']':
- temp = xmalloc (3);
- temp[0] = '\001';
- temp[1] = (c == '[') ? RL_PROMPT_START_IGNORE : RL_PROMPT_END_IGNORE;
- temp[2] = '\0';
+ if (no_line_editing)
+ {
+ string++;
+ break;
+ }
+ temp = (char *)xmalloc (3);
+ n = (c == '[') ? RL_PROMPT_START_IGNORE : RL_PROMPT_END_IGNORE;
+ i = 0;
+ if (n == CTLESC || n == CTLNUL)
+ temp[i++] = CTLESC;
+ temp[i++] = n;
+ temp[i] = '\0';
goto add_string;
#endif /* READLINE */
case '\\':
- temp = xmalloc (2);
- temp[0] = c;
- temp[1] = '\0';
- goto add_string;
-
case 'a':
case 'e':
- temp = xmalloc (2);
- temp[0] = (c == 'a') ? '\07' : '\033';
+ case 'r':
+ temp = (char *)xmalloc (2);
+ if (c == 'a')
+ temp[0] = '\07';
+ else if (c == 'e')
+ temp[0] = '\033';
+ else if (c == 'r')
+ temp[0] = '\r';
+ else /* (c == '\\') */
+ temp[0] = c;
temp[1] = '\0';
goto add_string;
default:
- temp = xmalloc (3);
+not_escape:
+ temp = (char *)xmalloc (3);
temp[0] = '\\';
temp[1] = c;
temp[2] = '\0';
else
{
RESIZE_MALLOCED_BUFFER (result, result_index, 3, result_size, PROMPT_GROWTH);
+ /* dequote_string should take care of removing this if we are not
+ performing the rest of the word expansions. */
+ if (c == CTLESC || c == CTLNUL)
+ result[result_index++] = CTLESC;
result[result_index++] = c;
result[result_index] = '\0';
}
the prompt string. */
if (promptvars || posixly_correct)
{
-#if 0
- list = expand_string_unsplit (result, Q_DOUBLE_QUOTES);
-#else
- list = expand_prompt_string (result, Q_DOUBLE_QUOTES);
-#endif
+ last_exit_value = last_command_exit_value;
+ last_comsub_pid = last_command_subst_pid;
+ list = expand_prompt_string (result, Q_DOUBLE_QUOTES, 0);
free (result);
result = string_list (list);
dispose_words (list);
+ last_command_exit_value = last_exit_value;
+ last_command_subst_pid = last_comsub_pid;
}
else
{
return (result);
}
+/************************************************
+ * *
+ * ERROR HANDLING *
+ * *
+ ************************************************/
+
/* Report a syntax error, and restart the parser. Call here for fatal
errors. */
int
-yyerror ()
+yyerror (msg)
+ const char *msg;
{
report_syntax_error ((char *)NULL);
reset_parser ();
return (0);
}
+static char *
+error_token_from_token (tok)
+ int tok;
+{
+ char *t;
+
+ if (t = find_token_in_alist (tok, word_token_alist, 0))
+ return t;
+
+ if (t = find_token_in_alist (tok, other_token_alist, 0))
+ return t;
+
+ t = (char *)NULL;
+ /* This stuff is dicy and needs closer inspection */
+ switch (current_token)
+ {
+ case WORD:
+ case ASSIGNMENT_WORD:
+ if (yylval.word)
+ t = savestring (yylval.word->word);
+ break;
+ case NUMBER:
+ t = itos (yylval.number);
+ break;
+ case ARITH_CMD:
+ if (yylval.word_list)
+ t = string_list (yylval.word_list);
+ break;
+ case ARITH_FOR_EXPRS:
+ if (yylval.word_list)
+ t = string_list_internal (yylval.word_list, " ; ");
+ break;
+ case COND_CMD:
+ t = (char *)NULL; /* punt */
+ break;
+ }
+
+ return t;
+}
+
+static char *
+error_token_from_text ()
+{
+ char *msg, *t;
+ int token_end, i;
+
+ t = shell_input_line;
+ i = shell_input_line_index;
+ token_end = 0;
+ msg = (char *)NULL;
+
+ if (i && t[i] == '\0')
+ i--;
+
+ while (i && (whitespace (t[i]) || t[i] == '\n'))
+ i--;
+
+ if (i)
+ token_end = i + 1;
+
+ while (i && (member (t[i], " \n\t;|&") == 0))
+ i--;
+
+ while (i != token_end && (whitespace (t[i]) || t[i] == '\n'))
+ i++;
+
+ /* Return our idea of the offending token. */
+ if (token_end || (i == 0 && token_end == 0))
+ {
+ if (token_end)
+ msg = substring (t, i, token_end);
+ else /* one-character token */
+ {
+ msg = (char *)xmalloc (2);
+ msg[0] = t[i];
+ msg[1] = '\0';
+ }
+ }
+
+ return (msg);
+}
+
+static void
+print_offending_line ()
+{
+ char *msg;
+ int token_end;
+
+ msg = savestring (shell_input_line);
+ token_end = strlen (msg);
+ while (token_end && msg[token_end - 1] == '\n')
+ msg[--token_end] = '\0';
+
+ parser_error (line_number, "`%s'", msg);
+ free (msg);
+}
+
/* Report a syntax error with line numbers, etc.
Call here for recoverable errors. If you have a message to print,
then place it in MESSAGE, otherwise pass NULL and this will figure
report_syntax_error (message)
char *message;
{
- char *msg, *t;
- int token_end, i;
- char msg2[2];
+ char *msg, *p;
if (message)
{
parser_error (line_number, "%s", message);
if (interactive && EOF_Reached)
EOF_Reached = 0;
- last_command_exit_value = EX_USAGE;
+ last_command_exit_value = parse_and_execute_level ? EX_BADSYNTAX : EX_BADUSAGE;
return;
}
/* If the line of input we're reading is not null, try to find the
- objectionable token. */
- if (shell_input_line && *shell_input_line)
+ objectionable token. First, try to figure out what token the
+ parser's complaining about by looking at current_token. */
+ if (current_token != 0 && EOF_Reached == 0 && (msg = error_token_from_token (current_token)))
{
- t = shell_input_line;
- i = shell_input_line_index;
- token_end = 0;
-
- if (i && t[i] == '\0')
- i--;
-
- while (i && (whitespace (t[i]) || t[i] == '\n'))
- i--;
-
- if (i)
- token_end = i + 1;
+ if (ansic_shouldquote (msg))
+ {
+ p = ansic_quote (msg, 0, NULL);
+ free (msg);
+ msg = p;
+ }
+ parser_error (line_number, _("syntax error near unexpected token `%s'"), msg);
+ free (msg);
- while (i && (member (t[i], " \n\t;|&") == 0))
- i--;
+ if (interactive == 0)
+ print_offending_line ();
- while (i != token_end && (whitespace (t[i]) || t[i] == '\n'))
- i++;
+ last_command_exit_value = parse_and_execute_level ? EX_BADSYNTAX : EX_BADUSAGE;
+ return;
+ }
- /* Print the offending token. */
- if (token_end || (i == 0 && token_end == 0))
+ /* If looking at the current token doesn't prove fruitful, try to find the
+ offending token by analyzing the text of the input line near the current
+ input line index and report what we find. */
+ if (shell_input_line && *shell_input_line)
+ {
+ msg = error_token_from_text ();
+ if (msg)
{
- if (token_end)
- msg = substring (t, i, token_end);
- else /* one-character token */
- {
- msg2[0] = t[i];
- msg2[1] = '\0';
- msg = msg2;
- }
-
- parser_error (line_number, "syntax error near unexpected token `%s'", msg);
-
- if (msg != msg2)
- free (msg);
+ parser_error (line_number, _("syntax error near `%s'"), msg);
+ free (msg);
}
/* If not interactive, print the line containing the error. */
if (interactive == 0)
- {
- msg = savestring (shell_input_line);
- token_end = strlen (msg);
- while (token_end && msg[token_end - 1] == '\n')
- msg[--token_end] = '\0';
-
- parser_error (line_number, "`%s'", msg);
- free (msg);
- }
+ print_offending_line ();
}
else
{
- msg = EOF_Reached ? "syntax error: unexpected end of file" : "syntax error";
+ msg = EOF_Reached ? _("syntax error: unexpected end of file") : _("syntax error");
parser_error (line_number, "%s", msg);
/* When the shell is interactive, this file uses EOF_Reached
only for error reporting. Other mechanisms are used to
if (interactive && EOF_Reached)
EOF_Reached = 0;
}
- last_command_exit_value = EX_USAGE;
+
+ last_command_exit_value = parse_and_execute_level ? EX_BADSYNTAX : EX_BADUSAGE;
}
/* ??? Needed function. ??? We have to be able to discard the constructs
created during parsing. In the case of error, we want to return
allocated objects to the memory pool. In the case of no error, we want
to throw away the information about where the allocated objects live.
- (dispose_command () will actually free the command. */
+ (dispose_command () will actually free the command.) */
static void
discard_parser_constructs (error_p)
int error_p;
{
}
+/************************************************
+ * *
+ * EOF HANDLING *
+ * *
+ ************************************************/
+
/* Do that silly `type "bye" to exit' stuff. You know, "ignoreeof". */
/* A flag denoting whether or not ignoreeof is set. */
{
if (eof_encountered < eof_encountered_limit)
{
- fprintf (stderr, "Use \"%s\" to leave the shell.\n",
+ fprintf (stderr, _("Use \"%s\" to leave the shell.\n"),
login_shell ? "logout" : "exit");
eof_encountered++;
+ /* Reset the parsing state. */
+ last_read_token = current_token = '\n';
/* Reset the prompt string to be $PS1. */
prompt_string_pointer = (char **)NULL;
prompt_again ();
- last_read_token = current_token = '\n';
return;
}
}
}
}
+/************************************************
+ * *
+ * STRING PARSING FUNCTIONS *
+ * *
+ ************************************************/
+
+/* It's very important that these two functions treat the characters
+ between ( and ) identically. */
+
static WORD_LIST parse_string_error;
/* Take a string and run it through the shell parser, returning the
resultant word list. Used by compound array assignment. */
WORD_LIST *
-parse_string_to_word_list (s, whom)
- char *s, *whom;
+parse_string_to_word_list (s, flags, whom)
+ char *s;
+ int flags;
+ const char *whom;
{
WORD_LIST *wl;
- int tok, orig_line_number, orig_input_terminator;
+ int tok, orig_current_token, orig_line_number, orig_input_terminator;
+ int orig_line_count;
+ int old_echo_input, old_expand_aliases;
#if defined (HISTORY)
int old_remember_on_history, old_history_expansion_inhibited;
#endif
#endif
orig_line_number = line_number;
+ orig_line_count = current_command_line_count;
orig_input_terminator = shell_input_line_terminator;
+ old_echo_input = echo_input_at_read;
+ old_expand_aliases = expand_aliases;
push_stream (1);
- last_read_token = '\n';
+ last_read_token = WORD; /* WORD to allow reserved words here */
+ current_command_line_count = 0;
+ echo_input_at_read = expand_aliases = 0;
with_input_from_string (s, whom);
wl = (WORD_LIST *)NULL;
+
+ if (flags & 1)
+ parser_state |= PST_COMPASSIGN|PST_REPARSE;
+
while ((tok = read_token (READ)) != yacc_EOF)
{
if (tok == '\n' && *bash_input.location.string == '\0')
break;
+ if (tok == '\n') /* Allow newlines in compound assignments */
+ continue;
if (tok != WORD && tok != ASSIGNMENT_WORD)
{
line_number = orig_line_number + line_number - 1;
- yyerror (); /* does the right thing */
+ orig_current_token = current_token;
+ current_token = tok;
+ yyerror (NULL); /* does the right thing */
+ current_token = orig_current_token;
if (wl)
dispose_words (wl);
wl = &parse_string_error;
# endif /* BANG_HISTORY */
#endif /* HISTORY */
+ echo_input_at_read = old_echo_input;
+ expand_aliases = old_expand_aliases;
+
+ current_command_line_count = orig_line_count;
shell_input_line_terminator = orig_input_terminator;
+ if (flags & 1)
+ parser_state &= ~(PST_COMPASSIGN|PST_REPARSE);
+
if (wl == &parse_string_error)
{
last_command_exit_value = EXECUTION_FAILURE;
return (REVERSE_LIST (wl, WORD_LIST *));
}
+
+static char *
+parse_compound_assignment (retlenp)
+ int *retlenp;
+{
+ WORD_LIST *wl, *rl;
+ int tok, orig_line_number, orig_token_size, orig_last_token, assignok;
+ char *saved_token, *ret;
+
+ saved_token = token;
+ orig_token_size = token_buffer_size;
+ orig_line_number = line_number;
+ orig_last_token = last_read_token;
+
+ last_read_token = WORD; /* WORD to allow reserved words here */
+
+ token = (char *)NULL;
+ token_buffer_size = 0;
+
+ assignok = parser_state&PST_ASSIGNOK; /* XXX */
+
+ wl = (WORD_LIST *)NULL; /* ( */
+ parser_state |= PST_COMPASSIGN;
+
+ while ((tok = read_token (READ)) != ')')
+ {
+ if (tok == '\n') /* Allow newlines in compound assignments */
+ {
+ if (SHOULD_PROMPT ())
+ prompt_again ();
+ continue;
+ }
+ if (tok != WORD && tok != ASSIGNMENT_WORD)
+ {
+ current_token = tok; /* for error reporting */
+ if (tok == yacc_EOF) /* ( */
+ parser_error (orig_line_number, _("unexpected EOF while looking for matching `)'"));
+ else
+ yyerror(NULL); /* does the right thing */
+ if (wl)
+ dispose_words (wl);
+ wl = &parse_string_error;
+ break;
+ }
+ wl = make_word_list (yylval.word, wl);
+ }
+
+ FREE (token);
+ token = saved_token;
+ token_buffer_size = orig_token_size;
+
+ parser_state &= ~PST_COMPASSIGN;
+
+ if (wl == &parse_string_error)
+ {
+ last_command_exit_value = EXECUTION_FAILURE;
+ last_read_token = '\n'; /* XXX */
+ if (interactive_shell == 0 && posixly_correct)
+ jump_to_top_level (FORCE_EOF);
+ else
+ jump_to_top_level (DISCARD);
+ }
+
+ last_read_token = orig_last_token; /* XXX - was WORD? */
+
+ if (wl)
+ {
+ rl = REVERSE_LIST (wl, WORD_LIST *);
+ ret = string_list (rl);
+ dispose_words (rl);
+ }
+ else
+ ret = (char *)NULL;
+
+ if (retlenp)
+ *retlenp = (ret && *ret) ? strlen (ret) : 0;
+
+ if (assignok)
+ parser_state |= PST_ASSIGNOK;
+
+ return ret;
+}
+
+/************************************************
+ * *
+ * SAVING AND RESTORING PARTIAL PARSE STATE *
+ * *
+ ************************************************/
+
+sh_parser_state_t *
+save_parser_state (ps)
+ sh_parser_state_t *ps;
+{
+ if (ps == 0)
+ ps = (sh_parser_state_t *)xmalloc (sizeof (sh_parser_state_t));
+ if (ps == 0)
+ return ((sh_parser_state_t *)NULL);
+
+ ps->parser_state = parser_state;
+ ps->token_state = save_token_state ();
+
+ ps->input_line_terminator = shell_input_line_terminator;
+ ps->eof_encountered = eof_encountered;
+
+ ps->prompt_string_pointer = prompt_string_pointer;
+
+ ps->current_command_line_count = current_command_line_count;
+
+#if defined (HISTORY)
+ ps->remember_on_history = remember_on_history;
+# if defined (BANG_HISTORY)
+ ps->history_expansion_inhibited = history_expansion_inhibited;
+# endif
+#endif
+
+ ps->last_command_exit_value = last_command_exit_value;
+#if defined (ARRAY_VARS)
+ ps->pipestatus = save_pipestatus_array ();
+#endif
+
+ ps->last_shell_builtin = last_shell_builtin;
+ ps->this_shell_builtin = this_shell_builtin;
+
+ ps->expand_aliases = expand_aliases;
+ ps->echo_input_at_read = echo_input_at_read;
+ ps->need_here_doc = need_here_doc;
+ ps->here_doc_first_line = here_doc_first_line;
+
+ if (need_here_doc == 0)
+ ps->redir_stack[0] = 0;
+ else
+ memcpy (ps->redir_stack, redir_stack, sizeof (redir_stack[0]) * HEREDOC_MAX);
+
+ ps->token = token;
+ ps->token_buffer_size = token_buffer_size;
+ /* Force reallocation on next call to read_token_word */
+ token = 0;
+ token_buffer_size = 0;
+
+ return (ps);
+}
+
+void
+restore_parser_state (ps)
+ sh_parser_state_t *ps;
+{
+ int i;
+
+ if (ps == 0)
+ return;
+
+ parser_state = ps->parser_state;
+ if (ps->token_state)
+ {
+ restore_token_state (ps->token_state);
+ free (ps->token_state);
+ }
+
+ shell_input_line_terminator = ps->input_line_terminator;
+ eof_encountered = ps->eof_encountered;
+
+ prompt_string_pointer = ps->prompt_string_pointer;
+
+ current_command_line_count = ps->current_command_line_count;
+
+#if defined (HISTORY)
+ remember_on_history = ps->remember_on_history;
+# if defined (BANG_HISTORY)
+ history_expansion_inhibited = ps->history_expansion_inhibited;
+# endif
+#endif
+
+ last_command_exit_value = ps->last_command_exit_value;
+#if defined (ARRAY_VARS)
+ restore_pipestatus_array (ps->pipestatus);
+#endif
+
+ last_shell_builtin = ps->last_shell_builtin;
+ this_shell_builtin = ps->this_shell_builtin;
+
+ expand_aliases = ps->expand_aliases;
+ echo_input_at_read = ps->echo_input_at_read;
+ need_here_doc = ps->need_here_doc;
+ here_doc_first_line = ps->here_doc_first_line;
+
+#if 0
+ for (i = 0; i < HEREDOC_MAX; i++)
+ redir_stack[i] = ps->redir_stack[i];
+#else
+ if (need_here_doc == 0)
+ redir_stack[0] = 0;
+ else
+ memcpy (redir_stack, ps->redir_stack, sizeof (redir_stack[0]) * HEREDOC_MAX);
+#endif
+
+ FREE (token);
+ token = ps->token;
+ token_buffer_size = ps->token_buffer_size;
+}
+
+sh_input_line_state_t *
+save_input_line_state (ls)
+ sh_input_line_state_t *ls;
+{
+ if (ls == 0)
+ ls = (sh_input_line_state_t *)xmalloc (sizeof (sh_input_line_state_t));
+ if (ls == 0)
+ return ((sh_input_line_state_t *)NULL);
+
+ ls->input_line = shell_input_line;
+ ls->input_line_size = shell_input_line_size;
+ ls->input_line_len = shell_input_line_len;
+ ls->input_line_index = shell_input_line_index;
+
+ /* force reallocation */
+ shell_input_line = 0;
+ shell_input_line_size = shell_input_line_len = shell_input_line_index = 0;
+
+ return ls;
+}
+
+void
+restore_input_line_state (ls)
+ sh_input_line_state_t *ls;
+{
+ FREE (shell_input_line);
+ shell_input_line = ls->input_line;
+ shell_input_line_size = ls->input_line_size;
+ shell_input_line_len = ls->input_line_len;
+ shell_input_line_index = ls->input_line_index;
+
+ set_line_mbstate ();
+}
+
+/************************************************
+ * *
+ * MULTIBYTE CHARACTER HANDLING *
+ * *
+ ************************************************/
+
+#if defined (HANDLE_MULTIBYTE)
+
+/* We don't let the property buffer get larger than this unless the line is */
+#define MAX_PROPSIZE 32768
+
+static void
+set_line_mbstate ()
+{
+ int c;
+ size_t i, previ, len;
+ mbstate_t mbs, prevs;
+ size_t mbclen;
+
+ if (shell_input_line == NULL)
+ return;
+ len = strlen (shell_input_line); /* XXX - shell_input_line_len ? */
+ if (len == 0)
+ return;
+ if (shell_input_line_propsize >= MAX_PROPSIZE && len < MAX_PROPSIZE>>1)
+ {
+ free (shell_input_line_property);
+ shell_input_line_property = 0;
+ shell_input_line_propsize = 0;
+ }
+ if (len+1 > shell_input_line_propsize)
+ {
+ shell_input_line_propsize = len + 1;
+ shell_input_line_property = (char *)xrealloc (shell_input_line_property, shell_input_line_propsize);
+ }
+
+ /* XXX - use whether or not we are in a UTF-8 locale to avoid calls to
+ mbrlen */
+ memset (&prevs, '\0', sizeof (mbstate_t));
+ for (i = previ = 0; i < len; i++)
+ {
+ mbs = prevs;
+
+ c = shell_input_line[i];
+ if (c == EOF)
+ {
+ size_t j;
+ for (j = i; j < len; j++)
+ shell_input_line_property[j] = 1;
+ break;
+ }
+
+ /* I'd love to take more advantage of UTF-8's properties in a UTF-8
+ locale, but mbrlen changes the mbstate_t on every call even when
+ presented with single-byte characters. */
+ mbclen = mbrlen (shell_input_line + previ, i - previ + 1, &mbs);
+ if (mbclen == 1 || mbclen == (size_t)-1)
+ {
+ mbclen = 1;
+ previ = i + 1;
+ }
+ else if (mbclen == (size_t)-2)
+ mbclen = 0;
+ else if (mbclen > 1)
+ {
+ mbclen = 0;
+ previ = i + 1;
+ prevs = mbs;
+ }
+ else
+ {
+ /* XXX - what to do if mbrlen returns 0? (null wide character) */
+ size_t j;
+ for (j = i; j < len; j++)
+ shell_input_line_property[j] = 1;
+ break;
+ }
+
+ shell_input_line_property[i] = mbclen;
+ }
+}
+#endif /* HANDLE_MULTIBYTE */
projects / thirdparty / bash.git / blobdiff