+/* A Bison parser, made by GNU Bison 3.8.2. */
-/* A Bison parser, made from /Users/chet/src/bash/src/parse.y
- by GNU Bison version 1.28 */
-
-#define YYBISON 1 /* Identify Bison output. */
-
-#define IF 257
-#define THEN 258
-#define ELSE 259
-#define ELIF 260
-#define FI 261
-#define CASE 262
-#define ESAC 263
-#define FOR 264
-#define SELECT 265
-#define WHILE 266
-#define UNTIL 267
-#define DO 268
-#define DONE 269
-#define FUNCTION 270
-#define COND_START 271
-#define COND_END 272
-#define COND_ERROR 273
-#define IN 274
-#define BANG 275
-#define TIME 276
-#define TIMEOPT 277
-#define WORD 278
-#define ASSIGNMENT_WORD 279
-#define NUMBER 280
-#define ARITH_CMD 281
-#define ARITH_FOR_EXPRS 282
-#define COND_CMD 283
-#define AND_AND 284
-#define OR_OR 285
-#define GREATER_GREATER 286
-#define LESS_LESS 287
-#define LESS_AND 288
-#define LESS_LESS_LESS 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 "/Users/chet/src/bash/src/parse.y"
+/* Bison implementation for Yacc-like parsers in C
+
+ Copyright (C) 1984, 1989-1990, 2000-2015, 2018-2021 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 <https://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. */
+
+/* DO NOT RELY ON FEATURES THAT ARE NOT DOCUMENTED in the manual,
+ especially those whose name start with YY_ or yy_. They are
+ private implementation details that can be changed or removed. */
+
+/* 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, and Bison version. */
+#define YYBISON 30802
+
+/* Bison version string. */
+#define YYBISON_VERSION "3.8.2"
+
+/* Skeleton name. */
+#define YYSKELETON_NAME "yacc.c"
+
+/* Pure parsers. */
+#define YYPURE 0
+
+/* Push parsers. */
+#define YYPUSH 0
+
+/* Pull parsers. */
+#define YYPULL 1
+
+
+
+
+/* First part of user prologue. */
+#line 21 "/usr/local/src/chet/src/bash/src/parse.y"
#include "config.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"
#if defined (JOB_CONTROL)
# include "jobs.h"
+#else
+extern int cleanup_dead_jobs PARAMS((void));
#endif /* JOB_CONTROL */
#if defined (ALIAS)
#define RE_READ_TOKEN -99
#define NO_EXPANSION -100
+#define END_ALIAS -2
+
#ifdef DEBUG
# define YYDEBUG 1
#else
# define MBTEST(x) ((x))
#endif
+#define EXTEND_SHELL_INPUT_LINE_PROPERTY() \
+do { \
+ if (shell_input_line_len + 2 > shell_input_line_propsize) \
+ { \
+ shell_input_line_propsize = shell_input_line_len + 2; \
+ shell_input_line_property = (char *)xrealloc (shell_input_line_property, \
+ shell_input_line_propsize); \
+ } \
+} while (0)
+
#if defined (EXTENDED_GLOB)
-extern int extended_glob;
+extern int extended_glob, extglob_flag;
#endif
-extern int eof_encountered;
-extern int no_line_editing, running_under_emacs;
-extern int current_command_number;
-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;
+#if defined (TRANSLATABLE_STRINGS)
extern int dump_translatable_strings, dump_po_strings;
-extern sh_builtin_func_t *last_shell_builtin, *this_shell_builtin;
-#if defined (BUFFERED_INPUT)
-extern int bash_input_fd_changed;
-#endif
+extern int singlequote_translations;
+#endif /* TRANSLATABLE_STRINGS */
+#if !defined (errno)
extern int errno;
+#endif
+
/* **************************************************************** */
/* */
/* "Forward" declarations */
/* **************************************************************** */
#ifdef DEBUG
-static void debug_parser __P((int));
+static void debug_parser PARAMS((int));
#endif
-static int yy_getc __P((void));
-static int yy_ungetc __P((int));
+static int yy_getc PARAMS((void));
+static int yy_ungetc PARAMS((int));
#if defined (READLINE)
-static int yy_readline_get __P((void));
-static int yy_readline_unget __P((int));
+static int yy_readline_get PARAMS((void));
+static int yy_readline_unget PARAMS((int));
#endif
-static int yy_string_get __P((void));
-static int yy_string_unget __P((int));
-static int yy_stream_get __P((void));
-static int yy_stream_unget __P((int));
+static int yy_string_get PARAMS((void));
+static int yy_string_unget PARAMS((int));
+static int yy_stream_get PARAMS((void));
+static int yy_stream_unget PARAMS((int));
-static int shell_getc __P((int));
-static void shell_ungetc __P((int));
-static void discard_until __P((int));
+static int shell_getc PARAMS((int));
+static void shell_ungetc PARAMS((int));
+static void discard_until PARAMS((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 void push_string PARAMS((char *, int, alias_t *));
+static void pop_string PARAMS((void));
+static void free_string_list PARAMS((void));
-static char *read_a_line __P((int));
+static char *read_a_line PARAMS((int));
-static int reserved_word_acceptable __P((int));
-static int yylex __P((void));
-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 int reserved_word_acceptable PARAMS((int));
+static int yylex PARAMS((void));
+
+static void push_heredoc PARAMS((REDIRECT *));
+static char *mk_alexpansion PARAMS((char *));
+static int alias_expand_token PARAMS((char *));
+static int time_command_acceptable PARAMS((void));
+static int special_case_tokens PARAMS((char *));
+static int read_token PARAMS((int));
+static char *parse_matched_pair PARAMS((int, int, int, int *, int));
+static char *parse_comsub PARAMS((int, int, int, int *, int));
#if defined (ARRAY_VARS)
-static char *parse_compound_assignment __P((int *));
+static char *parse_compound_assignment PARAMS((int *));
#endif
#if defined (DPAREN_ARITHMETIC) || defined (ARITH_FOR_COMMAND)
-static int parse_dparen __P((int));
-static int parse_arith_cmd __P((char **, int));
+static int parse_dparen PARAMS((int));
+static int parse_arith_cmd PARAMS((char **, int));
#endif
#if defined (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));
+static void cond_error PARAMS((void));
+static COND_COM *cond_expr PARAMS((void));
+static COND_COM *cond_or PARAMS((void));
+static COND_COM *cond_and PARAMS((void));
+static COND_COM *cond_term PARAMS((void));
+static int cond_skip_newlines PARAMS((void));
+static COMMAND *parse_cond_command PARAMS((void));
#endif
#if defined (ARRAY_VARS)
-static int token_is_assignment __P((char *, int));
-static int token_is_ident __P((char *, int));
+static int token_is_assignment PARAMS((char *, int));
+static int token_is_ident PARAMS((char *, int));
#endif
-static int read_token_word __P((int));
-static void discard_parser_constructs __P((int));
+static int read_token_word PARAMS((int));
+static void discard_parser_constructs PARAMS((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 char *error_token_from_token PARAMS((int));
+static char *error_token_from_text PARAMS((void));
+static void print_offending_line PARAMS((void));
+static void report_syntax_error PARAMS((char *));
-static void handle_eof_input_unit __P((void));
-static void prompt_again __P((void));
+static void handle_eof_input_unit PARAMS((void));
+static void prompt_again PARAMS((int));
#if 0
-static void reset_readline_prompt __P((void));
-#endif
-static void print_prompt __P((void));
-
-#if defined (HISTORY)
-char *history_delimiting_chars __P((void));
+static void reset_readline_prompt PARAMS((void));
#endif
+static void print_prompt PARAMS((void));
#if defined (HANDLE_MULTIBYTE)
-static void set_line_mbstate __P((void));
+static void set_line_mbstate PARAMS((void));
static char *shell_input_line_property = NULL;
+static size_t shell_input_line_propsize = 0;
#else
# define set_line_mbstate()
#endif
-extern int yyerror __P((const char *));
+extern int yyerror PARAMS((const char *));
#ifdef DEBUG
extern int yydebug;
/* 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;
quotes. */
int extended_quote = 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;
-
/* 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];
+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
static int token_to_read;
static WORD_DESC *word_desc_to_read;
+static REDIRECTEE source;
static REDIRECTEE redir;
-#line 299 "/Users/chet/src/bash/src/parse.y"
-typedef union {
+static FILE *yyoutstream;
+static FILE *yyerrstream;
+
+#line 388 "y.tab.c"
+
+# ifndef YY_CAST
+# ifdef __cplusplus
+# define YY_CAST(Type, Val) static_cast<Type> (Val)
+# define YY_REINTERPRET_CAST(Type, Val) reinterpret_cast<Type> (Val)
+# else
+# define YY_CAST(Type, Val) ((Type) (Val))
+# define YY_REINTERPRET_CAST(Type, Val) ((Type) (Val))
+# endif
+# endif
+# ifndef YY_NULLPTR
+# if defined __cplusplus
+# if 201103L <= __cplusplus
+# define YY_NULLPTR nullptr
+# else
+# define YY_NULLPTR 0
+# endif
+# else
+# define YY_NULLPTR ((void*)0)
+# endif
+# endif
+
+/* Use api.header.include to #include this header
+ instead of duplicating it here. */
+#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 kinds. */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+ enum yytokentype
+ {
+ YYEMPTY = -2,
+ YYEOF = 0, /* "end of file" */
+ YYerror = 256, /* error */
+ YYUNDEF = 257, /* "invalid token" */
+ IF = 258, /* IF */
+ THEN = 259, /* THEN */
+ ELSE = 260, /* ELSE */
+ ELIF = 261, /* ELIF */
+ FI = 262, /* FI */
+ CASE = 263, /* CASE */
+ ESAC = 264, /* ESAC */
+ FOR = 265, /* FOR */
+ SELECT = 266, /* SELECT */
+ WHILE = 267, /* WHILE */
+ UNTIL = 268, /* UNTIL */
+ DO = 269, /* DO */
+ DONE = 270, /* DONE */
+ FUNCTION = 271, /* FUNCTION */
+ COPROC = 272, /* COPROC */
+ COND_START = 273, /* COND_START */
+ COND_END = 274, /* COND_END */
+ COND_ERROR = 275, /* COND_ERROR */
+ IN = 276, /* IN */
+ BANG = 277, /* BANG */
+ TIME = 278, /* TIME */
+ TIMEOPT = 279, /* TIMEOPT */
+ TIMEIGN = 280, /* TIMEIGN */
+ WORD = 281, /* WORD */
+ ASSIGNMENT_WORD = 282, /* ASSIGNMENT_WORD */
+ REDIR_WORD = 283, /* REDIR_WORD */
+ NUMBER = 284, /* NUMBER */
+ ARITH_CMD = 285, /* ARITH_CMD */
+ ARITH_FOR_EXPRS = 286, /* ARITH_FOR_EXPRS */
+ COND_CMD = 287, /* COND_CMD */
+ AND_AND = 288, /* AND_AND */
+ OR_OR = 289, /* OR_OR */
+ GREATER_GREATER = 290, /* GREATER_GREATER */
+ LESS_LESS = 291, /* LESS_LESS */
+ LESS_AND = 292, /* LESS_AND */
+ LESS_LESS_LESS = 293, /* LESS_LESS_LESS */
+ GREATER_AND = 294, /* GREATER_AND */
+ SEMI_SEMI = 295, /* SEMI_SEMI */
+ SEMI_AND = 296, /* SEMI_AND */
+ SEMI_SEMI_AND = 297, /* SEMI_SEMI_AND */
+ LESS_LESS_MINUS = 298, /* LESS_LESS_MINUS */
+ AND_GREATER = 299, /* AND_GREATER */
+ AND_GREATER_GREATER = 300, /* AND_GREATER_GREATER */
+ LESS_GREATER = 301, /* LESS_GREATER */
+ GREATER_BAR = 302, /* GREATER_BAR */
+ BAR_AND = 303, /* BAR_AND */
+ DOLPAREN = 304, /* DOLPAREN */
+ yacc_EOF = 305 /* yacc_EOF */
+ };
+ typedef enum yytokentype yytoken_kind_t;
+#endif
+/* Token kinds. */
+#define YYEMPTY -2
+#define YYEOF 0
+#define YYerror 256
+#define YYUNDEF 257
+#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 DOLPAREN 304
+#define yacc_EOF 305
+
+/* Value type. */
+#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
+union YYSTYPE
+{
+#line 338 "/usr/local/src/chet/src/bash/src/parse.y"
+
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
-#endif
+#line 551 "y.tab.c"
+
+};
+typedef union YYSTYPE YYSTYPE;
+# define YYSTYPE_IS_TRIVIAL 1
+# define YYSTYPE_IS_DECLARED 1
#endif
+extern YYSTYPE yylval;
-#define YYFINAL 302
-#define YYFLAG -32768
-#define YYNTBASE 54
-
-#define YYTRANSLATE(x) ((unsigned)(x) <= 296 ? yytranslate[x] : 90)
-
-static const char yytranslate[] = { 0,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 44,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 42, 2, 52,
- 53, 2, 2, 2, 49, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 43, 48,
- 2, 47, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 50, 46, 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, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 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, 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, 45
-};
-#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, 106, 109, 112, 116, 118, 120, 122, 124,
- 127, 129, 132, 134, 136, 139, 141, 143, 145, 151,
- 157, 159, 161, 163, 165, 167, 169, 171, 178, 185,
- 193, 201, 212, 223, 233, 243, 251, 259, 265, 271,
- 278, 285, 293, 301, 312, 323, 330, 338, 345, 351,
- 358, 363, 365, 368, 372, 378, 386, 393, 397, 399,
- 403, 408, 415, 421, 423, 426, 431, 436, 442, 448,
- 451, 455, 457, 461, 464, 466, 469, 473, 477, 481,
- 486, 491, 496, 501, 506, 508, 510, 512, 514, 516,
- 518, 519, 522, 524, 527, 530, 535, 540, 544, 548,
- 550, 552, 555, 558, 562, 566, 569, 574, 576, 578
-};
+int yyparse (void);
-static const short yyrhs[] = { 85,
- 82, 0, 44, 0, 1, 44, 0, 45, 0, 24,
- 0, 55, 24, 0, 47, 24, 0, 48, 24, 0,
- 26, 47, 24, 0, 26, 48, 24, 0, 32, 24,
- 0, 26, 32, 24, 0, 33, 24, 0, 26, 33,
- 24, 0, 35, 24, 0, 26, 35, 24, 0, 34,
- 26, 0, 26, 34, 26, 0, 36, 26, 0, 26,
- 36, 26, 0, 34, 24, 0, 26, 34, 24, 0,
- 36, 24, 0, 26, 36, 24, 0, 38, 24, 0,
- 26, 38, 24, 0, 36, 49, 0, 26, 36, 49,
- 0, 34, 49, 0, 26, 34, 49, 0, 39, 24,
- 0, 26, 40, 24, 0, 40, 24, 0, 41, 24,
- 0, 26, 41, 24, 0, 24, 0, 25, 0, 56,
- 0, 56, 0, 58, 56, 0, 57, 0, 59, 57,
- 0, 59, 0, 61, 0, 61, 58, 0, 66, 0,
- 62, 0, 65, 0, 12, 79, 14, 79, 15, 0,
- 13, 79, 14, 79, 15, 0, 64, 0, 69, 0,
- 68, 0, 70, 0, 71, 0, 72, 0, 63, 0,
- 10, 24, 84, 14, 79, 15, 0, 10, 24, 84,
- 50, 79, 51, 0, 10, 24, 43, 84, 14, 79,
- 15, 0, 10, 24, 43, 84, 50, 79, 51, 0,
- 10, 24, 84, 20, 55, 83, 84, 14, 79, 15,
- 0, 10, 24, 84, 20, 55, 83, 84, 50, 79,
- 51, 0, 10, 24, 84, 20, 83, 84, 14, 79,
- 15, 0, 10, 24, 84, 20, 83, 84, 50, 79,
- 51, 0, 10, 28, 83, 84, 14, 79, 15, 0,
- 10, 28, 83, 84, 50, 79, 51, 0, 10, 28,
- 14, 79, 15, 0, 10, 28, 50, 79, 51, 0,
- 11, 24, 84, 14, 78, 15, 0, 11, 24, 84,
- 50, 78, 51, 0, 11, 24, 43, 84, 14, 78,
- 15, 0, 11, 24, 43, 84, 50, 78, 51, 0,
- 11, 24, 84, 20, 55, 83, 84, 14, 78, 15,
- 0, 11, 24, 84, 20, 55, 83, 84, 50, 78,
- 51, 0, 8, 24, 84, 20, 84, 9, 0, 8,
- 24, 84, 20, 76, 84, 9, 0, 8, 24, 84,
- 20, 74, 9, 0, 24, 52, 53, 84, 67, 0,
- 16, 24, 52, 53, 84, 67, 0, 16, 24, 84,
- 67, 0, 61, 0, 61, 58, 0, 52, 79, 53,
- 0, 3, 79, 4, 79, 7, 0, 3, 79, 4,
- 79, 5, 79, 7, 0, 3, 79, 4, 79, 73,
- 7, 0, 50, 79, 51, 0, 27, 0, 17, 29,
- 18, 0, 6, 79, 4, 79, 0, 6, 79, 4,
- 79, 5, 79, 0, 6, 79, 4, 79, 73, 0,
- 75, 0, 76, 75, 0, 84, 77, 53, 79, 0,
- 84, 77, 53, 84, 0, 84, 52, 77, 53, 79,
- 0, 84, 52, 77, 53, 84, 0, 75, 37, 0,
- 76, 75, 37, 0, 24, 0, 77, 46, 24, 0,
- 84, 80, 0, 78, 0, 84, 81, 0, 81, 44,
- 84, 0, 81, 42, 84, 0, 81, 43, 84, 0,
- 81, 30, 84, 81, 0, 81, 31, 84, 81, 0,
- 81, 42, 84, 81, 0, 81, 43, 84, 81, 0,
- 81, 44, 84, 81, 0, 87, 0, 44, 0, 45,
- 0, 44, 0, 43, 0, 45, 0, 0, 84, 44,
- 0, 86, 0, 86, 42, 0, 86, 43, 0, 86,
- 30, 84, 86, 0, 86, 31, 84, 86, 0, 86,
- 42, 86, 0, 86, 43, 86, 0, 87, 0, 88,
- 0, 21, 88, 0, 89, 88, 0, 89, 21, 88,
- 0, 21, 89, 88, 0, 89, 83, 0, 88, 46,
- 84, 88, 0, 60, 0, 22, 0, 22, 23, 0
+
+#endif /* !YY_YY_Y_TAB_H_INCLUDED */
+/* Symbol kind. */
+enum yysymbol_kind_t
+{
+ YYSYMBOL_YYEMPTY = -2,
+ YYSYMBOL_YYEOF = 0, /* "end of file" */
+ YYSYMBOL_YYerror = 1, /* error */
+ YYSYMBOL_YYUNDEF = 2, /* "invalid token" */
+ YYSYMBOL_IF = 3, /* IF */
+ YYSYMBOL_THEN = 4, /* THEN */
+ YYSYMBOL_ELSE = 5, /* ELSE */
+ YYSYMBOL_ELIF = 6, /* ELIF */
+ YYSYMBOL_FI = 7, /* FI */
+ YYSYMBOL_CASE = 8, /* CASE */
+ YYSYMBOL_ESAC = 9, /* ESAC */
+ YYSYMBOL_FOR = 10, /* FOR */
+ YYSYMBOL_SELECT = 11, /* SELECT */
+ YYSYMBOL_WHILE = 12, /* WHILE */
+ YYSYMBOL_UNTIL = 13, /* UNTIL */
+ YYSYMBOL_DO = 14, /* DO */
+ YYSYMBOL_DONE = 15, /* DONE */
+ YYSYMBOL_FUNCTION = 16, /* FUNCTION */
+ YYSYMBOL_COPROC = 17, /* COPROC */
+ YYSYMBOL_COND_START = 18, /* COND_START */
+ YYSYMBOL_COND_END = 19, /* COND_END */
+ YYSYMBOL_COND_ERROR = 20, /* COND_ERROR */
+ YYSYMBOL_IN = 21, /* IN */
+ YYSYMBOL_BANG = 22, /* BANG */
+ YYSYMBOL_TIME = 23, /* TIME */
+ YYSYMBOL_TIMEOPT = 24, /* TIMEOPT */
+ YYSYMBOL_TIMEIGN = 25, /* TIMEIGN */
+ YYSYMBOL_WORD = 26, /* WORD */
+ YYSYMBOL_ASSIGNMENT_WORD = 27, /* ASSIGNMENT_WORD */
+ YYSYMBOL_REDIR_WORD = 28, /* REDIR_WORD */
+ YYSYMBOL_NUMBER = 29, /* NUMBER */
+ YYSYMBOL_ARITH_CMD = 30, /* ARITH_CMD */
+ YYSYMBOL_ARITH_FOR_EXPRS = 31, /* ARITH_FOR_EXPRS */
+ YYSYMBOL_COND_CMD = 32, /* COND_CMD */
+ YYSYMBOL_AND_AND = 33, /* AND_AND */
+ YYSYMBOL_OR_OR = 34, /* OR_OR */
+ YYSYMBOL_GREATER_GREATER = 35, /* GREATER_GREATER */
+ YYSYMBOL_LESS_LESS = 36, /* LESS_LESS */
+ YYSYMBOL_LESS_AND = 37, /* LESS_AND */
+ YYSYMBOL_LESS_LESS_LESS = 38, /* LESS_LESS_LESS */
+ YYSYMBOL_GREATER_AND = 39, /* GREATER_AND */
+ YYSYMBOL_SEMI_SEMI = 40, /* SEMI_SEMI */
+ YYSYMBOL_SEMI_AND = 41, /* SEMI_AND */
+ YYSYMBOL_SEMI_SEMI_AND = 42, /* SEMI_SEMI_AND */
+ YYSYMBOL_LESS_LESS_MINUS = 43, /* LESS_LESS_MINUS */
+ YYSYMBOL_AND_GREATER = 44, /* AND_GREATER */
+ YYSYMBOL_AND_GREATER_GREATER = 45, /* AND_GREATER_GREATER */
+ YYSYMBOL_LESS_GREATER = 46, /* LESS_GREATER */
+ YYSYMBOL_GREATER_BAR = 47, /* GREATER_BAR */
+ YYSYMBOL_BAR_AND = 48, /* BAR_AND */
+ YYSYMBOL_DOLPAREN = 49, /* DOLPAREN */
+ YYSYMBOL_50_ = 50, /* '&' */
+ YYSYMBOL_51_ = 51, /* ';' */
+ YYSYMBOL_52_n_ = 52, /* '\n' */
+ YYSYMBOL_yacc_EOF = 53, /* yacc_EOF */
+ YYSYMBOL_54_ = 54, /* '|' */
+ YYSYMBOL_55_ = 55, /* '>' */
+ YYSYMBOL_56_ = 56, /* '<' */
+ YYSYMBOL_57_ = 57, /* '-' */
+ YYSYMBOL_58_ = 58, /* '{' */
+ YYSYMBOL_59_ = 59, /* '}' */
+ YYSYMBOL_60_ = 60, /* '(' */
+ YYSYMBOL_61_ = 61, /* ')' */
+ YYSYMBOL_YYACCEPT = 62, /* $accept */
+ YYSYMBOL_inputunit = 63, /* inputunit */
+ YYSYMBOL_word_list = 64, /* word_list */
+ YYSYMBOL_redirection = 65, /* redirection */
+ YYSYMBOL_simple_command_element = 66, /* simple_command_element */
+ YYSYMBOL_redirection_list = 67, /* redirection_list */
+ YYSYMBOL_simple_command = 68, /* simple_command */
+ YYSYMBOL_command = 69, /* command */
+ YYSYMBOL_shell_command = 70, /* shell_command */
+ YYSYMBOL_for_command = 71, /* for_command */
+ YYSYMBOL_arith_for_command = 72, /* arith_for_command */
+ YYSYMBOL_select_command = 73, /* select_command */
+ YYSYMBOL_case_command = 74, /* case_command */
+ YYSYMBOL_function_def = 75, /* function_def */
+ YYSYMBOL_function_body = 76, /* function_body */
+ YYSYMBOL_subshell = 77, /* subshell */
+ YYSYMBOL_comsub = 78, /* comsub */
+ YYSYMBOL_coproc = 79, /* coproc */
+ YYSYMBOL_if_command = 80, /* if_command */
+ YYSYMBOL_group_command = 81, /* group_command */
+ YYSYMBOL_arith_command = 82, /* arith_command */
+ YYSYMBOL_cond_command = 83, /* cond_command */
+ YYSYMBOL_elif_clause = 84, /* elif_clause */
+ YYSYMBOL_case_clause = 85, /* case_clause */
+ YYSYMBOL_pattern_list = 86, /* pattern_list */
+ YYSYMBOL_case_clause_sequence = 87, /* case_clause_sequence */
+ YYSYMBOL_pattern = 88, /* pattern */
+ YYSYMBOL_compound_list = 89, /* compound_list */
+ YYSYMBOL_list0 = 90, /* list0 */
+ YYSYMBOL_list1 = 91, /* list1 */
+ YYSYMBOL_simple_list_terminator = 92, /* simple_list_terminator */
+ YYSYMBOL_list_terminator = 93, /* list_terminator */
+ YYSYMBOL_newline_list = 94, /* newline_list */
+ YYSYMBOL_simple_list = 95, /* simple_list */
+ YYSYMBOL_simple_list1 = 96, /* simple_list1 */
+ YYSYMBOL_pipeline_command = 97, /* pipeline_command */
+ YYSYMBOL_pipeline = 98, /* pipeline */
+ YYSYMBOL_timespec = 99 /* timespec */
};
+typedef enum yysymbol_kind_t yysymbol_kind_t;
-#endif
-#if YYDEBUG != 0
-static const short yyrline[] = { 0,
- 350, 359, 366, 381, 391, 393, 397, 402, 407, 412,
- 417, 422, 427, 433, 439, 444, 449, 454, 459, 464,
- 469, 474, 479, 484, 489, 496, 503, 508, 513, 518,
- 523, 528, 533, 538, 543, 550, 552, 554, 558, 562,
- 573, 575, 579, 581, 583, 599, 603, 605, 607, 609,
- 611, 613, 615, 617, 619, 621, 623, 627, 632, 637,
- 642, 647, 652, 657, 662, 669, 674, 679, 684, 691,
- 696, 701, 706, 711, 716, 723, 728, 733, 740, 743,
- 746, 751, 753, 784, 791, 793, 795, 800, 804, 808,
- 812, 814, 816, 820, 821, 825, 827, 829, 831, 835,
- 836, 840, 842, 851, 859, 860, 866, 867, 874, 878,
- 880, 882, 889, 891, 893, 897, 898, 901, 903, 905,
- 909, 910, 919, 925, 934, 942, 944, 946, 953, 956,
- 960, 962, 967, 972, 977, 982, 1002, 1005, 1009, 1011
-};
+
+
+#ifdef short
+# undef short
#endif
+/* On compilers that do not define __PTRDIFF_MAX__ etc., make sure
+ <limits.h> and (if available) <stdint.h> are included
+ so that the code can choose integer types of a good width. */
-#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","LESS_LESS_LESS","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","function_body","subshell","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", NULL
-};
+#ifndef __PTRDIFF_MAX__
+# include <limits.h> /* INFRINGES ON USER NAME SPACE */
+# if defined __STDC_VERSION__ && 199901 <= __STDC_VERSION__
+# include <stdint.h> /* INFRINGES ON USER NAME SPACE */
+# define YY_STDINT_H
+# endif
#endif
-static const short yyr1[] = { 0,
- 54, 54, 54, 54, 55, 55, 56, 56, 56, 56,
- 56, 56, 56, 56, 56, 56, 56, 56, 56, 56,
- 56, 56, 56, 56, 56, 56, 56, 56, 56, 56,
- 56, 56, 56, 56, 56, 57, 57, 57, 58, 58,
- 59, 59, 60, 60, 60, 60, 61, 61, 61, 61,
- 61, 61, 61, 61, 61, 61, 61, 62, 62, 62,
- 62, 62, 62, 62, 62, 63, 63, 63, 63, 64,
- 64, 64, 64, 64, 64, 65, 65, 65, 66, 66,
- 66, 67, 67, 68, 69, 69, 69, 70, 71, 72,
- 73, 73, 73, 74, 74, 75, 75, 75, 75, 76,
- 76, 77, 77, 78, 79, 79, 80, 80, 80, 81,
- 81, 81, 81, 81, 81, 82, 82, 83, 83, 83,
- 84, 84, 85, 85, 85, 86, 86, 86, 86, 86,
- 87, 87, 87, 87, 87, 87, 88, 88, 89, 89
-};
+/* Narrow types that promote to a signed type and that can represent a
+ signed or unsigned integer of at least N bits. In tables they can
+ save space and decrease cache pressure. Promoting to a signed type
+ helps avoid bugs in integer arithmetic. */
-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, 3, 2, 2, 3, 1, 1, 1, 1, 2,
- 1, 2, 1, 1, 2, 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, 6, 7, 6, 5, 6,
- 4, 1, 2, 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, 1, 1,
- 0, 2, 1, 2, 2, 4, 4, 3, 3, 1,
- 1, 2, 2, 3, 3, 2, 4, 1, 1, 2
-};
+#ifdef __INT_LEAST8_MAX__
+typedef __INT_LEAST8_TYPE__ yytype_int8;
+#elif defined YY_STDINT_H
+typedef int_least8_t yytype_int8;
+#else
+typedef signed char yytype_int8;
+#endif
-static const short yydefact[] = { 0,
- 0, 121, 0, 0, 0, 121, 121, 0, 0, 0,
- 139, 36, 37, 0, 89, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 2, 4, 0, 0, 121, 121,
- 38, 41, 43, 138, 44, 47, 57, 51, 48, 46,
- 53, 52, 54, 55, 56, 0, 123, 130, 131, 0,
- 3, 105, 0, 0, 121, 121, 0, 121, 0, 0,
- 121, 0, 132, 0, 140, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 11, 13, 21, 17,
- 29, 15, 23, 19, 27, 25, 31, 33, 34, 7,
- 8, 0, 0, 36, 42, 39, 45, 116, 117, 1,
- 121, 121, 124, 125, 121, 0, 119, 118, 120, 136,
- 133, 121, 122, 104, 106, 115, 0, 121, 0, 121,
- 121, 121, 121, 0, 121, 121, 0, 0, 90, 135,
- 121, 12, 14, 22, 18, 30, 16, 24, 20, 28,
- 26, 32, 35, 9, 10, 88, 84, 40, 0, 0,
- 128, 129, 0, 134, 0, 121, 121, 121, 121, 121,
- 121, 0, 121, 0, 121, 0, 0, 0, 0, 121,
- 0, 121, 0, 0, 121, 82, 81, 0, 126, 127,
- 0, 0, 137, 121, 121, 85, 0, 0, 0, 108,
- 109, 107, 0, 94, 121, 0, 121, 121, 0, 5,
- 0, 121, 0, 68, 69, 121, 121, 121, 121, 0,
- 0, 0, 0, 49, 50, 0, 83, 79, 0, 0,
- 87, 110, 111, 112, 113, 114, 78, 100, 95, 0,
- 76, 102, 0, 0, 0, 0, 58, 6, 121, 0,
- 59, 0, 0, 0, 0, 70, 0, 121, 71, 80,
- 86, 121, 121, 121, 121, 101, 77, 0, 0, 121,
- 60, 61, 0, 121, 121, 66, 67, 72, 73, 0,
- 91, 0, 0, 0, 121, 103, 96, 97, 121, 121,
- 0, 0, 121, 121, 121, 93, 98, 99, 0, 0,
- 64, 65, 0, 0, 92, 62, 63, 74, 75, 0,
- 0, 0
-};
+#ifdef __INT_LEAST16_MAX__
+typedef __INT_LEAST16_TYPE__ yytype_int16;
+#elif defined YY_STDINT_H
+typedef int_least16_t yytype_int16;
+#else
+typedef short yytype_int16;
+#endif
-static const short yydefgoto[] = { 300,
- 201, 31, 32, 97, 33, 34, 35, 36, 37, 38,
- 39, 40, 177, 41, 42, 43, 44, 45, 187, 193,
- 194, 195, 234, 52, 53, 114, 115, 100, 110, 54,
- 46, 151, 116, 49, 50
-};
+/* Work around bug in HP-UX 11.23, which defines these macros
+ incorrectly for preprocessor constants. This workaround can likely
+ be removed in 2023, as HPE has promised support for HP-UX 11.23
+ (aka HP-UX 11i v2) only through the end of 2022; see Table 2 of
+ <https://h20195.www2.hpe.com/V2/getpdf.aspx/4AA4-7673ENW.pdf>. */
+#ifdef __hpux
+# undef UINT_LEAST8_MAX
+# undef UINT_LEAST16_MAX
+# define UINT_LEAST8_MAX 255
+# define UINT_LEAST16_MAX 65535
+#endif
-static const short yypact[] = { 274,
- -23,-32768, 5, 55, 10,-32768,-32768, 21, 31, 446,
- 32, 19,-32768, 553,-32768, 56, 72, -12, 89, -11,
- 92, 102, 111, 113,-32768,-32768, 117, 124,-32768,-32768,
--32768,-32768, 183,-32768, 202,-32768,-32768,-32768,-32768,-32768,
--32768,-32768,-32768,-32768,-32768, -13, 134,-32768, 52, 317,
--32768,-32768, 148, 360,-32768, 115, 22, 120, 154, 173,
- 114, 155, 52, 532,-32768, 140, 180, 181, 101, 182,
- 112, 186, 188, 189, 190, 205,-32768,-32768,-32768,-32768,
--32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,
--32768, 193, 195,-32768,-32768,-32768, 202,-32768,-32768,-32768,
--32768,-32768, 403, 403,-32768, 532,-32768,-32768,-32768,-32768,
- 52,-32768,-32768,-32768, 221,-32768, -9,-32768, 42,-32768,
--32768,-32768,-32768, 61,-32768,-32768, 200, 41,-32768, 52,
--32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,
--32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768, 360, 360,
- 152, 152, 489, 52, 192,-32768,-32768,-32768,-32768,-32768,
--32768, 26,-32768, 127,-32768, 218, 194, 34, 73,-32768,
- 215,-32768, 242, 245,-32768, 202,-32768, 41,-32768,-32768,
- 403, 403, 52,-32768,-32768,-32768, 254, 360, 360, 360,
- 360, 360, 253, 229,-32768, -2,-32768,-32768, 252,-32768,
- 151,-32768, 217,-32768,-32768,-32768,-32768,-32768,-32768, 255,
- 360, 151, 220,-32768,-32768, 41, 202,-32768, 265, 272,
--32768,-32768,-32768, 159, 159, 159,-32768,-32768, 241, 17,
--32768,-32768, 256, 36, 266, 232,-32768,-32768,-32768, 74,
--32768, 273, 238, 277, 243,-32768, 221,-32768,-32768,-32768,
--32768,-32768,-32768,-32768,-32768,-32768,-32768, 116, 269,-32768,
--32768,-32768, 90,-32768,-32768,-32768,-32768,-32768,-32768, 95,
- 197, 360, 360, 360,-32768,-32768,-32768, 360,-32768,-32768,
- 282, 251,-32768,-32768,-32768,-32768,-32768, 360, 288, 260,
--32768,-32768, 289, 280,-32768,-32768,-32768,-32768,-32768, 305,
- 316,-32768
-};
+#if defined __UINT_LEAST8_MAX__ && __UINT_LEAST8_MAX__ <= __INT_MAX__
+typedef __UINT_LEAST8_TYPE__ yytype_uint8;
+#elif (!defined __UINT_LEAST8_MAX__ && defined YY_STDINT_H \
+ && UINT_LEAST8_MAX <= INT_MAX)
+typedef uint_least8_t yytype_uint8;
+#elif !defined __UINT_LEAST8_MAX__ && UCHAR_MAX <= INT_MAX
+typedef unsigned char yytype_uint8;
+#else
+typedef short yytype_uint8;
+#endif
-static const short yypgoto[] = {-32768,
- 146, -33, 290, 156,-32768,-32768, -119,-32768,-32768,-32768,
--32768,-32768, -153,-32768,-32768,-32768,-32768,-32768, 64,-32768,
- 141,-32768, 104, -162, -6,-32768, -172,-32768, -52, -28,
--32768, 6, 4, -7, 329
-};
+#if defined __UINT_LEAST16_MAX__ && __UINT_LEAST16_MAX__ <= __INT_MAX__
+typedef __UINT_LEAST16_TYPE__ yytype_uint16;
+#elif (!defined __UINT_LEAST16_MAX__ && defined YY_STDINT_H \
+ && UINT_LEAST16_MAX <= INT_MAX)
+typedef uint_least16_t yytype_uint16;
+#elif !defined __UINT_LEAST16_MAX__ && USHRT_MAX <= INT_MAX
+typedef unsigned short yytype_uint16;
+#else
+typedef int yytype_uint16;
+#endif
+#ifndef YYPTRDIFF_T
+# if defined __PTRDIFF_TYPE__ && defined __PTRDIFF_MAX__
+# define YYPTRDIFF_T __PTRDIFF_TYPE__
+# define YYPTRDIFF_MAXIMUM __PTRDIFF_MAX__
+# elif defined PTRDIFF_MAX
+# ifndef ptrdiff_t
+# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
+# endif
+# define YYPTRDIFF_T ptrdiff_t
+# define YYPTRDIFF_MAXIMUM PTRDIFF_MAX
+# else
+# define YYPTRDIFF_T long
+# define YYPTRDIFF_MAXIMUM LONG_MAX
+# endif
+#endif
-#define YYLAST 601
-
-
-static const short yytable[] = { 59,
- 60, 96, 63, 48, 122, 47, 231, 210, 176, 213,
- 161, 79, 83, 80, 84, 222, 223, 224, 225, 226,
- 51, 232, 92, 93, 218, 257, 117, 119, 55, 124,
- 98, 99, 128, 58, 113, 120, 81, 85, 247, 197,
- 232, 113, 111, 2, 61, 244, 245, 206, 3, 233,
- 4, 5, 6, 7, 65, 163, 130, 9, 176, 62,
- 113, 164, 250, 148, 107, 108, 109, 15, 233, 113,
- 66, 121, 149, 150, 170, 198, 153, 113, 56, 77,
- 171, 259, 57, 207, 113, 113, 208, 264, 260, 162,
- 29, 165, 30, 168, 169, 78, 176, 105, 154, 224,
- 225, 226, 178, 279, 113, 155, 48, 48, 283, 152,
- 172, 202, 82, 166, 167, 86, 113, 113, 173, 174,
- 293, 294, 209, 265, 134, 87, 135, 188, 189, 190,
- 191, 192, 196, 113, 88, 138, 89, 139, 113, 280,
- 90, 211, 96, 211, 284, 183, 216, 91, 239, 136,
- 200, 112, 48, 48, 179, 180, 199, 118, 203, 248,
- 140, 259, 123, 101, 102, 127, 230, 125, 275, 107,
- 108, 109, 129, 240, 238, 103, 104, 219, 220, 211,
- 211, 101, 102, 148, 48, 48, 126, 152, 156, 157,
- 235, 236, 131, 107, 108, 109, 184, 185, 186, 242,
- 243, 285, 185, 132, 133, 137, 94, 13, 14, 141,
- 263, 142, 143, 144, 16, 17, 18, 19, 20, 270,
- 21, 22, 23, 24, 272, 273, 274, 14, 145, 27,
- 28, 278, 204, 16, 17, 18, 19, 20, 200, 21,
- 22, 23, 24, 146, 205, 271, 288, 147, 27, 28,
- 156, 157, 175, 277, 211, 211, 214, 281, 282, 215,
- 221, 227, 158, 159, 160, 228, 237, 241, 287, 246,
- 249, 251, 289, 290, 1, 252, 2, 256, 295, 232,
- 261, 3, 262, 4, 5, 6, 7, 266, 267, 8,
- 9, 268, 276, 269, 10, 11, 291, 12, 13, 14,
- 15, 292, 296, 298, 301, 16, 17, 18, 19, 20,
- 297, 21, 22, 23, 24, 302, 212, 25, 26, 2,
- 27, 28, 95, 29, 3, 30, 4, 5, 6, 7,
- 299, 217, 8, 9, 286, 229, 258, 106, 64, 0,
- 12, 13, 14, 15, 0, 0, 0, 0, 16, 17,
- 18, 19, 20, 0, 21, 22, 23, 24, 0, 107,
- 108, 109, 2, 27, 28, 0, 29, 3, 30, 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, 20, 0, 21, 22, 23,
- 24, 0, 0, 113, 0, 2, 27, 28, 0, 29,
- 3, 30, 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, 20, 0,
- 21, 22, 23, 24, 0, 0, 0, 0, 2, 27,
- 28, 0, 29, 3, 30, 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, 20, 0, 21, 22, 23, 24, 0, 0, 0,
- 0, 2, 27, 28, 0, 29, 3, 30, 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, 20, 0, 21, 22, 23, 24,
- 0, 0, 113, 0, 2, 27, 28, 0, 29, 3,
- 30, 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, 20, 0, 21,
- 22, 23, 24, 0, 0, 0, 0, 0, 27, 28,
- 0, 29, 0, 30, 67, 68, 69, 70, 71, 0,
- 72, 0, 73, 74, 0, 0, 0, 0, 0, 75,
- 76
-};
+#ifndef YYSIZE_T
+# ifdef __SIZE_TYPE__
+# define YYSIZE_T __SIZE_TYPE__
+# elif defined size_t
+# define YYSIZE_T size_t
+# elif defined __STDC_VERSION__ && 199901 <= __STDC_VERSION__
+# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
+# define YYSIZE_T size_t
+# else
+# define YYSIZE_T unsigned
+# endif
+#endif
-static const short yycheck[] = { 6,
- 7, 35, 10, 0, 57, 0, 9, 170, 128, 172,
- 20, 24, 24, 26, 26, 188, 189, 190, 191, 192,
- 44, 24, 29, 30, 178, 9, 55, 56, 24, 58,
- 44, 45, 61, 24, 44, 14, 49, 49, 211, 14,
- 24, 44, 50, 3, 24, 208, 209, 14, 8, 52,
- 10, 11, 12, 13, 23, 14, 64, 17, 178, 29,
- 44, 20, 216, 97, 43, 44, 45, 27, 52, 44,
- 52, 50, 101, 102, 14, 50, 105, 44, 24, 24,
- 20, 46, 28, 50, 44, 44, 14, 14, 53, 118,
- 50, 50, 52, 122, 123, 24, 216, 46, 106, 272,
- 273, 274, 131, 14, 44, 112, 103, 104, 14, 104,
- 50, 164, 24, 120, 121, 24, 44, 44, 125, 126,
- 283, 284, 50, 50, 24, 24, 26, 156, 157, 158,
- 159, 160, 161, 44, 24, 24, 24, 26, 44, 50,
- 24, 170, 176, 172, 50, 153, 175, 24, 201, 49,
- 24, 4, 149, 150, 149, 150, 163, 43, 165, 212,
- 49, 46, 43, 30, 31, 52, 195, 14, 53, 43,
- 44, 45, 18, 202, 24, 42, 43, 184, 185, 208,
- 209, 30, 31, 217, 181, 182, 14, 182, 30, 31,
- 197, 198, 53, 43, 44, 45, 5, 6, 7, 206,
- 207, 5, 6, 24, 24, 24, 24, 25, 26, 24,
- 239, 24, 24, 24, 32, 33, 34, 35, 36, 248,
- 38, 39, 40, 41, 253, 254, 255, 26, 24, 47,
- 48, 260, 15, 32, 33, 34, 35, 36, 24, 38,
- 39, 40, 41, 51, 51, 252, 275, 53, 47, 48,
- 30, 31, 53, 260, 283, 284, 15, 264, 265, 15,
- 7, 9, 42, 43, 44, 37, 15, 51, 275, 15,
- 51, 7, 279, 280, 1, 4, 3, 37, 285, 24,
- 15, 8, 51, 10, 11, 12, 13, 15, 51, 16,
- 17, 15, 24, 51, 21, 22, 15, 24, 25, 26,
- 27, 51, 15, 15, 0, 32, 33, 34, 35, 36,
- 51, 38, 39, 40, 41, 0, 171, 44, 45, 3,
- 47, 48, 33, 50, 8, 52, 10, 11, 12, 13,
- 51, 176, 16, 17, 271, 195, 233, 21, 10, -1,
- 24, 25, 26, 27, -1, -1, -1, -1, 32, 33,
- 34, 35, 36, -1, 38, 39, 40, 41, -1, 43,
- 44, 45, 3, 47, 48, -1, 50, 8, 52, 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, 36, -1, 38, 39, 40,
- 41, -1, -1, 44, -1, 3, 47, 48, -1, 50,
- 8, 52, 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, 36, -1,
- 38, 39, 40, 41, -1, -1, -1, -1, 3, 47,
- 48, -1, 50, 8, 52, 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, 36, -1, 38, 39, 40, 41, -1, -1, -1,
- -1, 3, 47, 48, -1, 50, 8, 52, 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, 36, -1, 38, 39, 40, 41,
- -1, -1, 44, -1, 3, 47, 48, -1, 50, 8,
- 52, 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, 36, -1, 38,
- 39, 40, 41, -1, -1, -1, -1, -1, 47, 48,
- -1, 50, -1, 52, 32, 33, 34, 35, 36, -1,
- 38, -1, 40, 41, -1, -1, -1, -1, -1, 47,
- 48
-};
-/* -*-C-*- Note some compilers choke on comments on `#line' lines. */
-#line 3 "/usr/share/bison.simple"
-/* This file comes from bison-1.28. */
+#define YYSIZE_MAXIMUM \
+ YY_CAST (YYPTRDIFF_T, \
+ (YYPTRDIFF_MAXIMUM < YY_CAST (YYSIZE_T, -1) \
+ ? YYPTRDIFF_MAXIMUM \
+ : YY_CAST (YYSIZE_T, -1)))
-/* Skeleton output parser for bison,
- Copyright (C) 1984, 1989, 1990 Free Software Foundation, Inc.
+#define YYSIZEOF(X) YY_CAST (YYPTRDIFF_T, sizeof (X))
- 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.
- 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.
+/* Stored state numbers (used for stacks). */
+typedef yytype_int16 yy_state_t;
- 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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, 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. */
-
-/* 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. */
-
-#ifndef YYSTACK_USE_ALLOCA
-#ifdef alloca
-#define YYSTACK_USE_ALLOCA
-#else /* alloca not defined */
-#ifdef __GNUC__
-#define YYSTACK_USE_ALLOCA
-#define alloca __builtin_alloca
-#else /* not GNU C. */
-#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi) || (defined (__sun) && defined (__i386))
-#define YYSTACK_USE_ALLOCA
-#include <alloca.h>
-#else /* not sparc */
-/* We think this test detects Watcom and Microsoft C. */
-/* This used to test MSDOS, but that is a bad idea
- since that symbol is in the user namespace. */
-#if (defined (_MSDOS) || defined (_MSDOS_)) && !defined (__TURBOC__)
-#if 0 /* No need for malloc.h, which pollutes the namespace;
- instead, just don't use alloca. */
-#include <malloc.h>
-#endif
-#else /* not MSDOS, or __TURBOC__ */
-#if defined(_AIX)
-/* I don't know what this was needed for, but it pollutes the namespace.
- So I turned it off. rms, 2 May 1997. */
-/* #include <malloc.h> */
- #pragma alloca
-#define YYSTACK_USE_ALLOCA
-#else /* not MSDOS, or __TURBOC__, or _AIX */
-#if 0
-#ifdef __hpux /* haible@ilog.fr says this works for HPUX 9.05 and up,
- and on HPUX 10. Eventually we can turn this on. */
-#define YYSTACK_USE_ALLOCA
-#define alloca __builtin_alloca
-#endif /* __hpux */
+/* State numbers in computations. */
+typedef int yy_state_fast_t;
+
+#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
-#endif /* not _AIX */
-#endif /* not MSDOS, or __TURBOC__ */
-#endif /* not sparc */
-#endif /* not GNU C */
-#endif /* alloca not defined */
-#endif /* YYSTACK_USE_ALLOCA not defined */
-
-#ifdef YYSTACK_USE_ALLOCA
-#define YYSTACK_ALLOC alloca
-#else
-#define YYSTACK_ALLOC malloc
+
+
+#ifndef YY_ATTRIBUTE_PURE
+# if defined __GNUC__ && 2 < __GNUC__ + (96 <= __GNUC_MINOR__)
+# define YY_ATTRIBUTE_PURE __attribute__ ((__pure__))
+# else
+# define YY_ATTRIBUTE_PURE
+# endif
#endif
-/* 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 goto yyacceptlab
-#define YYABORT goto yyabortlab
-#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()
+#ifndef YY_ATTRIBUTE_UNUSED
+# if defined __GNUC__ && 2 < __GNUC__ + (7 <= __GNUC_MINOR__)
+# define YY_ATTRIBUTE_UNUSED __attribute__ ((__unused__))
+# else
+# define YY_ATTRIBUTE_UNUSED
+# endif
#endif
-#ifdef YYPURE
-#ifdef YYLSP_NEEDED
-#ifdef YYLEX_PARAM
-#define YYLEX yylex(&yylval, &yylloc, YYLEX_PARAM)
+/* Suppress unused-variable warnings by "using" E. */
+#if ! defined lint || defined __GNUC__
+# define YY_USE(E) ((void) (E))
#else
-#define YYLEX yylex(&yylval, &yylloc)
+# define YY_USE(E) /* empty */
#endif
-#else /* not YYLSP_NEEDED */
-#ifdef YYLEX_PARAM
-#define YYLEX yylex(&yylval, YYLEX_PARAM)
+
+/* Suppress an incorrect diagnostic about yylval being uninitialized. */
+#if defined __GNUC__ && ! defined __ICC && 406 <= __GNUC__ * 100 + __GNUC_MINOR__
+# if __GNUC__ * 100 + __GNUC_MINOR__ < 407
+# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \
+ _Pragma ("GCC diagnostic push") \
+ _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")
+# else
+# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \
+ _Pragma ("GCC diagnostic push") \
+ _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"") \
+ _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"")
+# endif
+# define YY_IGNORE_MAYBE_UNINITIALIZED_END \
+ _Pragma ("GCC diagnostic pop")
#else
-#define YYLEX yylex(&yylval)
+# 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
-#endif /* not YYLSP_NEEDED */
+
+#if defined __cplusplus && defined __GNUC__ && ! defined __ICC && 6 <= __GNUC__
+# define YY_IGNORE_USELESS_CAST_BEGIN \
+ _Pragma ("GCC diagnostic push") \
+ _Pragma ("GCC diagnostic ignored \"-Wuseless-cast\"")
+# define YY_IGNORE_USELESS_CAST_END \
+ _Pragma ("GCC diagnostic pop")
+#endif
+#ifndef YY_IGNORE_USELESS_CAST_BEGIN
+# define YY_IGNORE_USELESS_CAST_BEGIN
+# define YY_IGNORE_USELESS_CAST_END
#endif
-/* If nonreentrant, generate the variables here */
-#ifndef YYPURE
+#define YY_ASSERT(E) ((void) (0 && (E)))
+
+#if !defined yyoverflow
+
+/* 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 */
-int yychar; /* the lookahead symbol */
-YYSTYPE yylval; /* the semantic value of the */
- /* lookahead symbol */
+#if (! defined yyoverflow \
+ && (! defined __cplusplus \
+ || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
-#ifdef YYLSP_NEEDED
-YYLTYPE yylloc; /* location data for the lookahead */
- /* symbol */
-#endif
+/* A type that is properly aligned for any stack member. */
+union yyalloc
+{
+ yy_state_t yyss_alloc;
+ YYSTYPE yyvs_alloc;
+};
-int yynerrs; /* number of parse errors so far */
-#endif /* not YYPURE */
+/* The size of the maximum gap between one aligned stack and the next. */
+# define YYSTACK_GAP_MAXIMUM (YYSIZEOF (union yyalloc) - 1)
+
+/* The size of an array large to enough to hold all stacks, each with
+ N elements. */
+# define YYSTACK_BYTES(N) \
+ ((N) * (YYSIZEOF (yy_state_t) + YYSIZEOF (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 \
+ { \
+ YYPTRDIFF_T yynewbytes; \
+ YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \
+ Stack = &yyptr->Stack_alloc; \
+ yynewbytes = yystacksize * YYSIZEOF (*Stack) + YYSTACK_GAP_MAXIMUM; \
+ yyptr += yynewbytes / YYSIZEOF (*yyptr); \
+ } \
+ while (0)
-#if YYDEBUG != 0
-int yydebug; /* nonzero means print parse trace */
-/* Since this is uninitialized, it does not stop multiple parsers
- from coexisting. */
#endif
-/* YYINITDEPTH indicates the initial size of the parser's stacks */
+#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, YY_CAST (YYSIZE_T, (Count)) * sizeof (*(Src)))
+# else
+# define YYCOPY(Dst, Src, Count) \
+ do \
+ { \
+ YYPTRDIFF_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 122
+/* YYLAST -- Last index in YYTABLE. */
+#define YYLAST 740
+
+/* YYNTOKENS -- Number of terminals. */
+#define YYNTOKENS 62
+/* YYNNTS -- Number of nonterminals. */
+#define YYNNTS 38
+/* YYNRULES -- Number of rules. */
+#define YYNRULES 175
+/* YYNSTATES -- Number of states. */
+#define YYNSTATES 350
+
+/* YYMAXUTOK -- Last valid token kind. */
+#define YYMAXUTOK 305
+
+
+/* YYTRANSLATE(TOKEN-NUM) -- Symbol number corresponding to TOKEN-NUM
+ as returned by yylex, with out-of-bounds checking. */
+#define YYTRANSLATE(YYX) \
+ (0 <= (YYX) && (YYX) <= YYMAXUTOK \
+ ? YY_CAST (yysymbol_kind_t, yytranslate[YYX]) \
+ : YYSYMBOL_YYUNDEF)
+
+/* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM
+ as returned by yylex. */
+static const yytype_int8 yytranslate[] =
+{
+ 0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 52, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 50, 2,
+ 60, 61, 2, 2, 2, 57, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 51,
+ 56, 2, 55, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 58, 54, 59, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 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, 49, 53
+};
-#ifndef YYINITDEPTH
-#define YYINITDEPTH 200
+#if YYDEBUG
+/* YYRLINE[YYN] -- Source line where rule number YYN was defined. */
+static const yytype_int16 yyrline[] =
+{
+ 0, 395, 395, 406, 414, 423, 438, 455, 470, 480,
+ 482, 486, 492, 498, 504, 510, 516, 522, 528, 534,
+ 540, 546, 552, 558, 564, 570, 576, 583, 590, 597,
+ 604, 611, 618, 624, 630, 636, 642, 648, 654, 660,
+ 666, 672, 678, 684, 690, 696, 702, 708, 714, 720,
+ 726, 732, 738, 744, 750, 758, 760, 762, 766, 770,
+ 781, 783, 787, 789, 791, 807, 809, 813, 815, 817,
+ 819, 821, 823, 825, 827, 829, 831, 833, 837, 842,
+ 847, 852, 857, 862, 867, 872, 879, 885, 891, 897,
+ 905, 910, 915, 920, 925, 930, 935, 940, 947, 952,
+ 957, 964, 966, 968, 970, 974, 976, 1007, 1014, 1018,
+ 1024, 1029, 1046, 1051, 1068, 1075, 1077, 1079, 1084, 1088,
+ 1092, 1096, 1098, 1100, 1104, 1105, 1109, 1111, 1113, 1115,
+ 1119, 1121, 1123, 1125, 1127, 1129, 1133, 1135, 1144, 1150,
+ 1156, 1157, 1164, 1168, 1170, 1172, 1179, 1181, 1188, 1192,
+ 1193, 1196, 1198, 1200, 1204, 1205, 1214, 1229, 1247, 1264,
+ 1266, 1268, 1275, 1278, 1282, 1284, 1290, 1296, 1316, 1339,
+ 1341, 1364, 1368, 1370, 1372, 1374
+};
#endif
-/* YYMAXDEPTH is the maximum size the stacks can grow to
- (effective only if the built-in stack extension method is used). */
+/** Accessing symbol of state STATE. */
+#define YY_ACCESSING_SYMBOL(State) YY_CAST (yysymbol_kind_t, yystos[State])
+
+#if YYDEBUG || 0
+/* The user-facing name of the symbol whose (internal) number is
+ YYSYMBOL. No bounds checking. */
+static const char *yysymbol_name (yysymbol_kind_t yysymbol) YY_ATTRIBUTE_UNUSED;
+
+/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
+ First, the terminals, then, starting at YYNTOKENS, nonterminals. */
+static const char *const yytname[] =
+{
+ "\"end of file\"", "error", "\"invalid token\"", "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", "DOLPAREN", "'&'", "';'",
+ "'\\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", "comsub", "coproc", "if_command", "group_command",
+ "arith_command", "cond_command", "elif_clause", "case_clause",
+ "pattern_list", "case_clause_sequence", "pattern", "compound_list",
+ "list0", "list1", "simple_list_terminator", "list_terminator",
+ "newline_list", "simple_list", "simple_list1", "pipeline_command",
+ "pipeline", "timespec", YY_NULLPTR
+};
-#if YYMAXDEPTH == 0
-#undef YYMAXDEPTH
+static const char *
+yysymbol_name (yysymbol_kind_t yysymbol)
+{
+ return yytname[yysymbol];
+}
#endif
-#ifndef YYMAXDEPTH
-#define YYMAXDEPTH 10000
-#endif
-\f
-/* Define __yy_memcpy. Note that the size argument
- should be passed with type unsigned int, because that is what the non-GCC
- definitions require. With GCC, __builtin_memcpy takes an arg
- of type size_t, but it can handle unsigned int. */
-
-#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. */
-static void
-__yy_memcpy (to, from, count)
- char *to;
- char *from;
- unsigned int count;
-{
- register char *f = from;
- register char *t = to;
- register int i = count;
+#define YYPACT_NINF (-125)
- while (i-- > 0)
- *t++ = *f++;
-}
+#define yypact_value_is_default(Yyn) \
+ ((Yyn) == YYPACT_NINF)
-#else /* __cplusplus */
+#define YYTABLE_NINF (-1)
-/* This is the most reliable way to avoid incompatibilities
- in available built-in functions on various systems. */
-static void
-__yy_memcpy (char *to, char *from, unsigned int count)
-{
- register char *t = to;
- register char *f = from;
- register int i = count;
+#define yytable_value_is_error(Yyn) \
+ 0
- while (i-- > 0)
- *t++ = *f++;
-}
+/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
+ STATE-NUM. */
+static const yytype_int16 yypact[] =
+{
+ 329, 27, -125, 8, 81, 10, -125, -125, 16, 38,
+ 0, 434, -5, -16, -125, 670, 684, -125, 33, 43,
+ 62, 63, 71, 69, 94, 105, 108, 116, -125, -125,
+ -125, 125, 139, -125, -125, 111, -125, -125, 626, -125,
+ 648, -125, -125, -125, -125, -125, -125, -125, -125, -125,
+ -125, -125, -125, 5, -21, -125, -15, 434, -125, -125,
+ -125, 196, 485, -125, 157, 2, 180, 207, 222, 227,
+ 638, 626, 648, 224, -125, -125, -125, -125, -125, 219,
+ -125, 185, 223, 228, 140, 230, 161, 232, 233, 234,
+ 236, 241, 248, 249, 162, 250, 163, 251, 254, 256,
+ 257, 258, -125, -125, -125, -125, -125, -125, -125, -125,
+ -125, -125, -125, -125, -125, -125, 225, 380, -125, -125,
+ 229, 231, -125, -125, -125, -125, 648, -125, -125, -125,
+ -125, -125, 536, 536, -125, -125, -125, -125, -125, -125,
+ -125, 214, -125, -7, -125, 85, -125, -125, -125, -125,
+ 89, -125, -125, -125, 235, 648, -125, 648, 648, -125,
+ -125, -125, -125, -125, -125, -125, -125, -125, -125, -125,
+ -125, -125, -125, -125, -125, -125, -125, -125, -125, -125,
+ -125, -125, -125, -125, -125, -125, -125, -125, -125, -125,
+ -125, -125, -125, -125, -125, 485, 485, 138, 138, 587,
+ 587, 17, -125, -125, -125, -125, -125, -125, 88, -125,
+ 122, -125, 274, 238, 100, 101, -125, 122, -125, 276,
+ 278, 260, -125, 648, 648, 260, -125, -125, -15, -15,
+ -125, -125, -125, 287, 485, 485, 485, 485, 485, 290,
+ 164, -125, 26, -125, -125, 285, -125, 131, -125, 242,
+ -125, -125, -125, -125, -125, -125, 288, 131, -125, 243,
+ -125, -125, -125, 260, -125, 297, 302, -125, -125, -125,
+ 152, 152, 152, -125, -125, -125, -125, 170, 61, -125,
+ -125, 281, -36, 293, 252, -125, -125, -125, 102, -125,
+ 298, 255, 300, 262, -125, -125, 103, -125, -125, -125,
+ -125, -125, -125, -125, -125, -33, 296, -125, -125, -125,
+ 110, -125, -125, -125, -125, -125, -125, 112, -125, -125,
+ 189, -125, -125, -125, 485, -125, -125, 310, 267, -125,
+ -125, 314, 275, -125, -125, -125, 485, 318, 277, -125,
+ -125, 320, 279, -125, -125, -125, -125, -125, -125, -125
+};
-#endif
-#endif
-\f
-#line 217 "/usr/share/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 */
-
-/* Prevent warning if -Wstrict-prototypes. */
-#ifdef __GNUC__
-#ifdef YYPARSE_PARAM
-int yyparse (void *);
-#else
-int yyparse (void);
-#endif
-#endif
+/* 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, 154, 0, 0, 0, 154, 154, 0, 0,
+ 0, 0, 172, 55, 56, 0, 0, 119, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 154, 4,
+ 8, 0, 0, 154, 154, 0, 57, 60, 62, 171,
+ 63, 67, 77, 71, 68, 65, 73, 3, 66, 72,
+ 74, 75, 76, 0, 156, 163, 164, 0, 7, 5,
+ 6, 0, 0, 154, 154, 0, 154, 0, 0, 0,
+ 55, 114, 110, 0, 152, 151, 153, 168, 165, 173,
+ 174, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 17, 26, 41, 35, 50, 32, 44, 38,
+ 47, 29, 53, 54, 23, 20, 0, 0, 11, 12,
+ 0, 0, 1, 55, 61, 58, 64, 149, 150, 2,
+ 154, 154, 157, 158, 154, 154, 167, 166, 154, 155,
+ 138, 139, 148, 0, 154, 0, 154, 154, 154, 154,
+ 0, 154, 154, 154, 154, 105, 103, 112, 111, 120,
+ 175, 154, 19, 28, 43, 37, 52, 34, 46, 40,
+ 49, 31, 25, 22, 15, 16, 18, 27, 42, 36,
+ 51, 33, 45, 39, 48, 30, 24, 21, 13, 14,
+ 108, 109, 118, 107, 59, 0, 0, 161, 162, 0,
+ 0, 0, 154, 154, 154, 154, 154, 154, 0, 154,
+ 0, 154, 0, 0, 0, 0, 154, 0, 154, 0,
+ 0, 0, 154, 106, 113, 0, 159, 160, 170, 169,
+ 154, 154, 115, 0, 0, 0, 141, 142, 140, 0,
+ 124, 154, 0, 154, 154, 0, 9, 0, 154, 0,
+ 88, 89, 154, 154, 154, 154, 0, 0, 154, 0,
+ 69, 70, 104, 0, 101, 0, 0, 117, 143, 144,
+ 145, 146, 147, 100, 130, 132, 134, 125, 0, 98,
+ 136, 0, 0, 0, 0, 78, 10, 154, 0, 79,
+ 0, 0, 0, 0, 90, 154, 0, 91, 102, 116,
+ 154, 131, 133, 135, 99, 0, 0, 154, 80, 81,
+ 0, 154, 154, 86, 87, 92, 93, 0, 154, 154,
+ 121, 154, 137, 126, 127, 154, 154, 0, 0, 154,
+ 154, 0, 0, 154, 123, 128, 129, 0, 0, 84,
+ 85, 0, 0, 96, 97, 122, 82, 83, 94, 95
+};
-int
-yyparse(YYPARSE_PARAM_ARG)
- YYPARSE_PARAM_DECL
+/* YYPGOTO[NTERM-NUM]. */
+static const yytype_int16 yypgoto[] =
{
- 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 */
+ -125, -125, 126, -25, -28, -65, 335, -125, -8, -125,
+ -125, -125, -125, -125, -96, -125, -125, -125, -125, -125,
+ -125, -125, 28, -125, 109, -125, 68, -2, -125, -11,
+ -125, -54, -26, -125, -124, 6, 34, -125
+};
- short yyssa[YYINITDEPTH]; /* the state stack */
- YYSTYPE yyvsa[YYINITDEPTH]; /* the semantic value stack */
+/* YYDEFGOTO[NTERM-NUM]. */
+static const yytype_int16 yydefgoto[] =
+{
+ 0, 35, 247, 36, 37, 126, 38, 39, 40, 41,
+ 42, 43, 44, 45, 156, 46, 47, 48, 49, 50,
+ 51, 52, 233, 239, 240, 241, 282, 121, 140, 141,
+ 129, 77, 62, 53, 54, 142, 56, 57
+};
- short *yyss = yyssa; /* refer to the stacks thru separate pointers */
- YYSTYPE *yyvs = yyvsa; /* to allow yyoverflow to reallocate them elsewhere */
+/* 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_int16 yytable[] =
+{
+ 61, 72, 117, 136, 67, 68, 55, 158, 197, 198,
+ 124, 148, 130, 131, 207, 125, 146, 78, 306, 79,
+ 80, 306, 230, 231, 232, 307, 116, 58, 321, 132,
+ 133, 120, 73, 134, 63, 279, 66, 143, 145, 135,
+ 150, 2, 69, 124, 81, 139, 3, 125, 4, 5,
+ 6, 7, 280, 74, 75, 76, 10, 127, 128, 102,
+ 147, 155, 157, 137, 70, 14, 15, 16, 17, 103,
+ 304, 226, 227, 18, 19, 20, 21, 22, 139, 59,
+ 60, 23, 24, 25, 26, 27, 281, 280, 104, 107,
+ 223, 105, 224, 31, 32, 111, 33, 108, 34, 209,
+ 109, 194, 243, 216, 195, 196, 210, 64, 199, 200,
+ 217, 122, 65, 139, 252, 254, 311, 318, 208, 106,
+ 112, 281, 214, 215, 325, 262, 329, 221, 110, 264,
+ 125, 113, 125, 194, 114, 225, 201, 139, 55, 55,
+ 139, 139, 115, 211, 212, 213, 244, 218, 246, 219,
+ 220, 118, 139, 139, 139, 139, 248, 286, 253, 255,
+ 312, 319, 139, 258, 139, 119, 164, 298, 326, 165,
+ 330, 130, 131, 74, 75, 76, 234, 235, 236, 237,
+ 238, 242, 74, 75, 76, 202, 203, 168, 178, 182,
+ 169, 179, 183, 287, 333, 231, 263, 166, 194, 194,
+ 138, 55, 55, 295, 274, 275, 276, 245, 144, 249,
+ 301, 302, 303, 155, 256, 278, 259, 155, 170, 180,
+ 184, 151, 288, 268, 269, 270, 271, 272, 265, 266,
+ 2, 149, 296, 228, 229, 3, 152, 4, 5, 6,
+ 7, 283, 284, 159, 160, 10, 161, 202, 203, 162,
+ 290, 291, 292, 293, 163, 155, 167, 17, 171, 172,
+ 173, 310, 174, 2, 204, 205, 206, 175, 3, 317,
+ 4, 5, 6, 7, 176, 177, 181, 185, 10, 153,
+ 186, 324, 187, 188, 189, 33, 190, 154, 192, 250,
+ 17, 260, 193, 261, 267, 336, 222, 251, 320, 273,
+ 285, 289, 297, 294, 299, 323, 300, 280, 308, 327,
+ 328, 309, 139, 313, 314, 315, 331, 332, 33, 335,
+ 34, 316, 322, 337, 338, 339, 340, 341, 342, 343,
+ 1, 345, 2, 346, 344, 348, 347, 3, 349, 4,
+ 5, 6, 7, 257, 71, 8, 9, 10, 334, 305,
+ 277, 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, 28, 0,
+ 0, 29, 30, 2, 31, 32, 0, 33, 3, 34,
+ 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, 139, 0, 0, 31, 32, 2, 33, 0,
+ 34, 191, 3, 0, 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, 74, 75, 76, 2, 31,
+ 32, 0, 33, 3, 34, 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, 139, 0, 2,
+ 31, 32, 0, 33, 3, 34, 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, 0,
+ 2, 31, 32, 0, 33, 3, 34, 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, 0, 139,
+ 0, 2, 31, 32, 0, 33, 3, 34, 4, 5,
+ 6, 7, 123, 14, 15, 16, 10, 0, 0, 0,
+ 0, 18, 19, 20, 21, 22, 0, 0, 17, 23,
+ 24, 25, 26, 27, 0, 0, 15, 16, 0, 0,
+ 0, 31, 32, 18, 19, 20, 21, 22, 0, 0,
+ 0, 23, 24, 25, 26, 27, 33, 0, 34, 0,
+ 0, 0, 0, 31, 32, 82, 83, 84, 85, 86,
+ 0, 0, 0, 87, 0, 0, 88, 89, 0, 92,
+ 93, 94, 95, 96, 0, 90, 91, 97, 0, 0,
+ 98, 99, 0, 0, 0, 0, 0, 0, 0, 100,
+ 101
+};
-#ifdef YYLSP_NEEDED
- YYLTYPE yylsa[YYINITDEPTH]; /* the location stack */
- YYLTYPE *yyls = yylsa;
- YYLTYPE *yylsp;
+static const yytype_int16 yycheck[] =
+{
+ 2, 9, 28, 57, 6, 7, 0, 72, 132, 133,
+ 38, 65, 33, 34, 21, 40, 14, 11, 54, 24,
+ 25, 54, 5, 6, 7, 61, 28, 0, 61, 50,
+ 51, 33, 32, 48, 26, 9, 26, 63, 64, 54,
+ 66, 3, 26, 71, 60, 52, 8, 72, 10, 11,
+ 12, 13, 26, 51, 52, 53, 18, 52, 53, 26,
+ 58, 69, 70, 57, 26, 27, 28, 29, 30, 26,
+ 9, 195, 196, 35, 36, 37, 38, 39, 52, 52,
+ 53, 43, 44, 45, 46, 47, 60, 26, 26, 26,
+ 155, 29, 157, 55, 56, 26, 58, 26, 60, 14,
+ 29, 126, 14, 14, 130, 131, 21, 26, 134, 135,
+ 21, 0, 31, 52, 14, 14, 14, 14, 144, 57,
+ 26, 60, 148, 149, 14, 221, 14, 153, 57, 225,
+ 155, 26, 157, 158, 26, 161, 138, 52, 132, 133,
+ 52, 52, 26, 58, 146, 147, 58, 58, 26, 151,
+ 152, 26, 52, 52, 52, 52, 210, 26, 58, 58,
+ 58, 58, 52, 217, 52, 26, 26, 263, 58, 29,
+ 58, 33, 34, 51, 52, 53, 202, 203, 204, 205,
+ 206, 207, 51, 52, 53, 33, 34, 26, 26, 26,
+ 29, 29, 29, 247, 5, 6, 222, 57, 223, 224,
+ 4, 195, 196, 257, 40, 41, 42, 209, 51, 211,
+ 40, 41, 42, 221, 216, 241, 218, 225, 57, 57,
+ 57, 14, 248, 234, 235, 236, 237, 238, 230, 231,
+ 3, 51, 258, 199, 200, 8, 14, 10, 11, 12,
+ 13, 243, 244, 19, 25, 18, 61, 33, 34, 26,
+ 252, 253, 254, 255, 26, 263, 26, 30, 26, 26,
+ 26, 287, 26, 3, 50, 51, 52, 26, 8, 295,
+ 10, 11, 12, 13, 26, 26, 26, 26, 18, 52,
+ 26, 307, 26, 26, 26, 58, 61, 60, 59, 15,
+ 30, 15, 61, 15, 7, 321, 61, 59, 300, 9,
+ 15, 59, 59, 15, 7, 307, 4, 26, 15, 311,
+ 312, 59, 52, 15, 59, 15, 318, 319, 58, 321,
+ 60, 59, 26, 325, 326, 15, 59, 329, 330, 15,
+ 1, 333, 3, 15, 59, 15, 59, 8, 59, 10,
+ 11, 12, 13, 217, 9, 16, 17, 18, 320, 281,
+ 241, 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, 49, -1,
+ -1, 52, 53, 3, 55, 56, -1, 58, 8, 60,
+ 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, 52, -1, -1, 55, 56, 3, 58, -1,
+ 60, 61, 8, -1, 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, 52, 53, 3, 55,
+ 56, -1, 58, 8, 60, 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, 52, -1, 3,
+ 55, 56, -1, 58, 8, 60, 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, -1,
+ 3, 55, 56, -1, 58, 8, 60, 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, -1, 52,
+ -1, 3, 55, 56, -1, 58, 8, 60, 10, 11,
+ 12, 13, 26, 27, 28, 29, 18, -1, -1, -1,
+ -1, 35, 36, 37, 38, 39, -1, -1, 30, 43,
+ 44, 45, 46, 47, -1, -1, 28, 29, -1, -1,
+ -1, 55, 56, 35, 36, 37, 38, 39, -1, -1,
+ -1, 43, 44, 45, 46, 47, 58, -1, 60, -1,
+ -1, -1, -1, 55, 56, 35, 36, 37, 38, 39,
+ -1, -1, -1, 43, -1, -1, 46, 47, -1, 35,
+ 36, 37, 38, 39, -1, 55, 56, 43, -1, -1,
+ 46, 47, -1, -1, -1, -1, -1, -1, -1, 55,
+ 56
+};
-#define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
-#else
-#define YYPOPSTACK (yyvsp--, yyssp--)
-#endif
+/* YYSTOS[STATE-NUM] -- The symbol kind of the accessing symbol of
+ state STATE-NUM. */
+static const yytype_int8 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, 49, 52,
+ 53, 55, 56, 58, 60, 63, 65, 66, 68, 69,
+ 70, 71, 72, 73, 74, 75, 77, 78, 79, 80,
+ 81, 82, 83, 95, 96, 97, 98, 99, 0, 52,
+ 53, 89, 94, 26, 26, 31, 26, 89, 89, 26,
+ 26, 68, 70, 32, 51, 52, 53, 93, 97, 24,
+ 25, 60, 35, 36, 37, 38, 39, 43, 46, 47,
+ 55, 56, 35, 36, 37, 38, 39, 43, 46, 47,
+ 55, 56, 26, 26, 26, 29, 57, 26, 26, 29,
+ 57, 26, 26, 26, 26, 26, 89, 94, 26, 26,
+ 89, 89, 0, 26, 66, 65, 67, 52, 53, 92,
+ 33, 34, 50, 51, 48, 54, 93, 97, 4, 52,
+ 90, 91, 97, 94, 51, 94, 14, 58, 93, 51,
+ 94, 14, 14, 52, 60, 70, 76, 70, 67, 19,
+ 25, 61, 26, 26, 26, 29, 57, 26, 26, 29,
+ 57, 26, 26, 26, 26, 26, 26, 26, 26, 29,
+ 57, 26, 26, 29, 57, 26, 26, 26, 26, 26,
+ 61, 61, 59, 61, 65, 94, 94, 96, 96, 94,
+ 94, 89, 33, 34, 50, 51, 52, 21, 94, 14,
+ 21, 58, 89, 89, 94, 94, 14, 21, 58, 89,
+ 89, 94, 61, 67, 67, 94, 96, 96, 98, 98,
+ 5, 6, 7, 84, 94, 94, 94, 94, 94, 85,
+ 86, 87, 94, 14, 58, 89, 26, 64, 93, 89,
+ 15, 59, 14, 58, 14, 58, 89, 64, 93, 89,
+ 15, 15, 76, 94, 76, 89, 89, 7, 91, 91,
+ 91, 91, 91, 9, 40, 41, 42, 86, 94, 9,
+ 26, 60, 88, 89, 89, 15, 26, 93, 94, 59,
+ 89, 89, 89, 89, 15, 93, 94, 59, 76, 7,
+ 4, 40, 41, 42, 9, 88, 54, 61, 15, 59,
+ 94, 14, 58, 15, 59, 15, 59, 94, 14, 58,
+ 89, 61, 26, 89, 94, 14, 58, 89, 89, 14,
+ 58, 89, 89, 5, 84, 89, 94, 89, 89, 15,
+ 59, 89, 89, 15, 59, 89, 15, 59, 15, 59
+};
- int yystacksize = YYINITDEPTH;
- int yyfree_stacks = 0;
+/* YYR1[RULE-NUM] -- Symbol kind of the left-hand side of rule RULE-NUM. */
+static const yytype_int8 yyr1[] =
+{
+ 0, 62, 63, 63, 63, 63, 63, 63, 63, 64,
+ 64, 65, 65, 65, 65, 65, 65, 65, 65, 65,
+ 65, 65, 65, 65, 65, 65, 65, 65, 65, 65,
+ 65, 65, 65, 65, 65, 65, 65, 65, 65, 65,
+ 65, 65, 65, 65, 65, 65, 65, 65, 65, 65,
+ 65, 65, 65, 65, 65, 66, 66, 66, 67, 67,
+ 68, 68, 69, 69, 69, 69, 69, 70, 70, 70,
+ 70, 70, 70, 70, 70, 70, 70, 70, 71, 71,
+ 71, 71, 71, 71, 71, 71, 72, 72, 72, 72,
+ 73, 73, 73, 73, 73, 73, 73, 73, 74, 74,
+ 74, 75, 75, 75, 75, 76, 76, 77, 78, 78,
+ 79, 79, 79, 79, 79, 80, 80, 80, 81, 82,
+ 83, 84, 84, 84, 85, 85, 86, 86, 86, 86,
+ 87, 87, 87, 87, 87, 87, 88, 88, 89, 89,
+ 90, 90, 90, 91, 91, 91, 91, 91, 91, 92,
+ 92, 93, 93, 93, 94, 94, 95, 95, 95, 96,
+ 96, 96, 96, 96, 97, 97, 97, 97, 97, 98,
+ 98, 98, 99, 99, 99, 99
+};
-#ifdef YYPURE
- int yychar;
- YYSTYPE yylval;
- int yynerrs;
-#ifdef YYLSP_NEEDED
- YYLTYPE yylloc;
-#endif
-#endif
+/* YYR2[RULE-NUM] -- Number of symbols on the right-hand side of rule RULE-NUM. */
+static const yytype_int8 yyr2[] =
+{
+ 0, 2, 2, 1, 1, 2, 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, 3, 5, 1, 2, 3, 3, 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, 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, 2, 3
+};
- YYSTYPE yyval; /* the variable used to return */
- /* semantic values from the action */
- /* routines */
- int yylen;
+enum { YYENOMEM = -2 };
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Starting parse\n");
-#endif
+#define yyerrok (yyerrstatus = 0)
+#define yyclearin (yychar = YYEMPTY)
- yystate = 0;
- yyerrstatus = 0;
- yynerrs = 0;
- yychar = YYEMPTY; /* Cause a token to be read. */
+#define YYACCEPT goto yyacceptlab
+#define YYABORT goto yyabortlab
+#define YYERROR goto yyerrorlab
+#define YYNOMEM goto yyexhaustedlab
- /* 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
+#define YYRECOVERING() (!!yyerrstatus)
-/* 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:
+#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)
- *++yyssp = yystate;
+/* Backward compatibility with an undocumented macro.
+ Use YYerror or YYUNDEF. */
+#define YYERRCODE YYUNDEF
- if (yyssp >= yyss + yystacksize - 1)
- {
- /* 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
- /* Get the current used size of the three stacks, in elements. */
- int size = yyssp - yyss + 1;
-
-#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
+/* Enable debugging if requested. */
+#if YYDEBUG
- yyss = yyss1; yyvs = yyvs1;
-#ifdef YYLSP_NEEDED
- yyls = yyls1;
-#endif
-#else /* no yyoverflow */
- /* Extend the stack our own way. */
- if (yystacksize >= YYMAXDEPTH)
- {
- yyerror("parser stack overflow");
- if (yyfree_stacks)
- {
- free (yyss);
- free (yyvs);
-#ifdef YYLSP_NEEDED
- free (yyls);
-#endif
- }
- return 2;
- }
- yystacksize *= 2;
- if (yystacksize > YYMAXDEPTH)
- yystacksize = YYMAXDEPTH;
-#ifndef YYSTACK_USE_ALLOCA
- yyfree_stacks = 1;
-#endif
- yyss = (short *) YYSTACK_ALLOC (yystacksize * sizeof (*yyssp));
- __yy_memcpy ((char *)yyss, (char *)yyss1,
- size * (unsigned int) sizeof (*yyssp));
- yyvs = (YYSTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yyvsp));
- __yy_memcpy ((char *)yyvs, (char *)yyvs1,
- size * (unsigned int) sizeof (*yyvsp));
-#ifdef YYLSP_NEEDED
- yyls = (YYLTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yylsp));
- __yy_memcpy ((char *)yyls, (char *)yyls1,
- size * (unsigned int) sizeof (*yylsp));
-#endif
-#endif /* no yyoverflow */
+# ifndef YYFPRINTF
+# include <stdio.h> /* INFRINGES ON USER NAME SPACE */
+# define YYFPRINTF fprintf
+# endif
- yyssp = yyss + size - 1;
- yyvsp = yyvs + size - 1;
-#ifdef YYLSP_NEEDED
- yylsp = yyls + size - 1;
-#endif
+# define YYDPRINTF(Args) \
+do { \
+ if (yydebug) \
+ YYFPRINTF Args; \
+} while (0)
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Stack size increased to %d\n", yystacksize);
-#endif
- if (yyssp >= yyss + yystacksize - 1)
- YYABORT;
- }
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Entering state %d\n", yystate);
-#endif
- goto yybackup;
- yybackup:
+# define YY_SYMBOL_PRINT(Title, Kind, Value, Location) \
+do { \
+ if (yydebug) \
+ { \
+ YYFPRINTF (stderr, "%s ", Title); \
+ yy_symbol_print (stderr, \
+ Kind, Value); \
+ YYFPRINTF (stderr, "\n"); \
+ } \
+} while (0)
-/* Do appropriate processing given the current state. */
-/* Read a lookahead token if we need one and don't already have one. */
-/* yyresume: */
- /* First try to decide what to do without reference to lookahead token. */
+/*-----------------------------------.
+| Print this symbol's value on YYO. |
+`-----------------------------------*/
- yyn = yypact[yystate];
- if (yyn == YYFLAG)
- goto yydefault;
+static void
+yy_symbol_value_print (FILE *yyo,
+ yysymbol_kind_t yykind, YYSTYPE const * const yyvaluep)
+{
+ FILE *yyoutput = yyo;
+ YY_USE (yyoutput);
+ if (!yyvaluep)
+ return;
+ YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+ YY_USE (yykind);
+ YY_IGNORE_MAYBE_UNINITIALIZED_END
+}
- /* 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. */
+/*---------------------------.
+| Print this symbol on YYO. |
+`---------------------------*/
- if (yychar == YYEMPTY)
- {
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Reading a token: ");
-#endif
- yychar = YYLEX;
- }
+static void
+yy_symbol_print (FILE *yyo,
+ yysymbol_kind_t yykind, YYSTYPE const * const yyvaluep)
+{
+ YYFPRINTF (yyo, "%s %s (",
+ yykind < YYNTOKENS ? "token" : "nterm", yysymbol_name (yykind));
- /* Convert token to internal form (in yychar1) for indexing tables with */
+ yy_symbol_value_print (yyo, yykind, yyvaluep);
+ YYFPRINTF (yyo, ")");
+}
- if (yychar <= 0) /* This means end of input. */
- {
- yychar1 = 0;
- yychar = YYEOF; /* Don't call YYLEX any more */
+/*------------------------------------------------------------------.
+| yy_stack_print -- Print the state stack from its BOTTOM up to its |
+| TOP (included). |
+`------------------------------------------------------------------*/
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Now at end of input.\n");
-#endif
- }
- else
+static void
+yy_stack_print (yy_state_t *yybottom, yy_state_t *yytop)
+{
+ YYFPRINTF (stderr, "Stack now");
+ for (; yybottom <= yytop; yybottom++)
{
- 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
+ int yybot = *yybottom;
+ YYFPRINTF (stderr, " %d", yybot);
}
+ YYFPRINTF (stderr, "\n");
+}
- yyn += yychar1;
- if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1)
- goto yydefault;
+# define YY_STACK_PRINT(Bottom, Top) \
+do { \
+ if (yydebug) \
+ yy_stack_print ((Bottom), (Top)); \
+} while (0)
- 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. */
+/*------------------------------------------------.
+| Report that the YYRULE is going to be reduced. |
+`------------------------------------------------*/
- if (yyn < 0)
+static void
+yy_reduce_print (yy_state_t *yyssp, YYSTYPE *yyvsp,
+ int yyrule)
+{
+ int yylno = yyrline[yyrule];
+ int yynrhs = yyr2[yyrule];
+ int yyi;
+ YYFPRINTF (stderr, "Reducing stack by rule %d (line %d):\n",
+ yyrule - 1, yylno);
+ /* The symbols being reduced. */
+ for (yyi = 0; yyi < yynrhs; yyi++)
{
- if (yyn == YYFLAG)
- goto yyerrlab;
- yyn = -yyn;
- goto yyreduce;
+ YYFPRINTF (stderr, " $%d = ", yyi + 1);
+ yy_symbol_print (stderr,
+ YY_ACCESSING_SYMBOL (+yyssp[yyi + 1 - yynrhs]),
+ &yyvsp[(yyi + 1) - (yynrhs)]);
+ YYFPRINTF (stderr, "\n");
}
- else if (yyn == 0)
- goto yyerrlab;
+}
- if (yyn == YYFINAL)
- YYACCEPT;
+# 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) ((void) 0)
+# define YY_SYMBOL_PRINT(Title, Kind, 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
- /* Shift the lookahead token. */
+/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
+ if the built-in stack extension method is used).
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]);
+ Do not make this value too large; the results are undefined if
+ YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
+ evaluated with infinite-precision integer arithmetic. */
+
+#ifndef YYMAXDEPTH
+# define YYMAXDEPTH 10000
#endif
- /* Discard the token being shifted unless it is eof. */
- if (yychar != YYEOF)
- yychar = YYEMPTY;
- *++yyvsp = yylval;
-#ifdef YYLSP_NEEDED
- *++yylsp = yylloc;
-#endif
- /* 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:
- yyn = yydefact[yystate];
- if (yyn == 0)
- goto yyerrlab;
+/*-----------------------------------------------.
+| Release the memory associated to this symbol. |
+`-----------------------------------------------*/
-/* Do a reduction. yyn is the number of a rule to reduce with. */
-yyreduce:
- yylen = yyr2[yyn];
- if (yylen > 0)
- yyval = yyvsp[1-yylen]; /* implement default value of the action */
+static void
+yydestruct (const char *yymsg,
+ yysymbol_kind_t yykind, YYSTYPE *yyvaluep)
+{
+ YY_USE (yyvaluep);
+ if (!yymsg)
+ yymsg = "Deleting";
+ YY_SYMBOL_PRINT (yymsg, yykind, yyvaluep, yylocationp);
-#if YYDEBUG != 0
- if (yydebug)
+ YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+ YY_USE (yykind);
+ YY_IGNORE_MAYBE_UNINITIALIZED_END
+}
+
+
+/* Lookahead token kind. */
+int yychar;
+
+/* The semantic value of the lookahead symbol. */
+YYSTYPE yylval;
+/* Number of syntax errors so far. */
+int yynerrs;
+
+
+
+
+/*----------.
+| yyparse. |
+`----------*/
+
+int
+yyparse (void)
+{
+ yy_state_fast_t yystate = 0;
+ /* Number of tokens to shift before error messages enabled. */
+ int yyerrstatus = 0;
+
+ /* Refer to the stacks through separate pointers, to allow yyoverflow
+ to reallocate them elsewhere. */
+
+ /* Their size. */
+ YYPTRDIFF_T yystacksize = YYINITDEPTH;
+
+ /* The state stack: array, bottom, top. */
+ yy_state_t yyssa[YYINITDEPTH];
+ yy_state_t *yyss = yyssa;
+ yy_state_t *yyssp = yyss;
+
+ /* The semantic value stack: array, bottom, top. */
+ YYSTYPE yyvsa[YYINITDEPTH];
+ YYSTYPE *yyvs = yyvsa;
+ YYSTYPE *yyvsp = yyvs;
+
+ int yyn;
+ /* The return value of yyparse. */
+ int yyresult;
+ /* Lookahead symbol kind. */
+ yysymbol_kind_t yytoken = YYSYMBOL_YYEMPTY;
+ /* The variables used to return semantic value and location from the
+ action routines. */
+ YYSTYPE yyval;
+
+
+
+#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;
+
+ YYDPRINTF ((stderr, "Starting parse\n"));
+
+ 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 -- set current state (the top of the stack) to yystate. |
+`--------------------------------------------------------------------*/
+yysetstate:
+ YYDPRINTF ((stderr, "Entering state %d\n", yystate));
+ YY_ASSERT (0 <= yystate && yystate < YYNSTATES);
+ YY_IGNORE_USELESS_CAST_BEGIN
+ *yyssp = YY_CAST (yy_state_t, yystate);
+ YY_IGNORE_USELESS_CAST_END
+ YY_STACK_PRINT (yyss, yyssp);
+
+ if (yyss + yystacksize - 1 <= yyssp)
+#if !defined yyoverflow && !defined YYSTACK_RELOCATE
+ YYNOMEM;
+#else
{
- int i;
+ /* Get the current used size of the three stacks, in elements. */
+ YYPTRDIFF_T yysize = yyssp - yyss + 1;
- fprintf (stderr, "Reducing via rule %d (line %d), ",
- yyn, yyrline[yyn]);
+# if defined 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. */
+ yy_state_t *yyss1 = yyss;
+ YYSTYPE *yyvs1 = yyvs;
+
+ /* 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 * YYSIZEOF (*yyssp),
+ &yyvs1, yysize * YYSIZEOF (*yyvsp),
+ &yystacksize);
+ yyss = yyss1;
+ yyvs = yyvs1;
+ }
+# else /* defined YYSTACK_RELOCATE */
+ /* Extend the stack our own way. */
+ if (YYMAXDEPTH <= yystacksize)
+ YYNOMEM;
+ yystacksize *= 2;
+ if (YYMAXDEPTH < yystacksize)
+ yystacksize = YYMAXDEPTH;
+
+ {
+ yy_state_t *yyss1 = yyss;
+ union yyalloc *yyptr =
+ YY_CAST (union yyalloc *,
+ YYSTACK_ALLOC (YY_CAST (YYSIZE_T, YYSTACK_BYTES (yystacksize))));
+ if (! yyptr)
+ YYNOMEM;
+ YYSTACK_RELOCATE (yyss_alloc, yyss);
+ YYSTACK_RELOCATE (yyvs_alloc, yyvs);
+# undef YYSTACK_RELOCATE
+ if (yyss1 != yyssa)
+ YYSTACK_FREE (yyss1);
+ }
+# endif
+
+ yyssp = yyss + yysize - 1;
+ yyvsp = yyvs + yysize - 1;
+
+ YY_IGNORE_USELESS_CAST_BEGIN
+ YYDPRINTF ((stderr, "Stack size increased to %ld\n",
+ YY_CAST (long, yystacksize)));
+ YY_IGNORE_USELESS_CAST_END
- /* 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]]);
+ if (yyss + yystacksize - 1 <= yyssp)
+ YYABORT;
}
-#endif
+#endif /* !defined yyoverflow && !defined YYSTACK_RELOCATE */
+
+ if (yystate == YYFINAL)
+ YYACCEPT;
- switch (yyn) {
+ goto yybackup;
-case 1:
-#line 351 "/Users/chet/src/bash/src/parse.y"
-{
+
+/*-----------.
+| yybackup. |
+`-----------*/
+yybackup:
+ /* 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 (yypact_value_is_default (yyn))
+ goto yydefault;
+
+ /* Not known => get a lookahead token if don't already have one. */
+
+ /* YYCHAR is either empty, or end-of-input, or a valid lookahead. */
+ if (yychar == YYEMPTY)
+ {
+ YYDPRINTF ((stderr, "Reading a token\n"));
+ yychar = yylex ();
+ }
+
+ if (yychar <= YYEOF)
+ {
+ yychar = YYEOF;
+ yytoken = YYSYMBOL_YYEOF;
+ YYDPRINTF ((stderr, "Now at end of input.\n"));
+ }
+ else if (yychar == YYerror)
+ {
+ /* The scanner already issued an error message, process directly
+ to error recovery. But do not keep the error token as
+ lookahead, it is too special and may lead us to an endless
+ loop in error recovery. */
+ yychar = YYUNDEF;
+ yytoken = YYSYMBOL_YYerror;
+ goto yyerrlab1;
+ }
+ else
+ {
+ yytoken = YYTRANSLATE (yychar);
+ YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
+ }
+
+ /* 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];
+ if (yyn <= 0)
+ {
+ if (yytable_value_is_error (yyn))
+ goto yyerrlab;
+ yyn = -yyn;
+ goto yyreduce;
+ }
+
+ /* 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);
+ yystate = yyn;
+ YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+ *++yyvsp = yylval;
+ YY_IGNORE_MAYBE_UNINITIALIZED_END
+
+ /* Discard the shifted token. */
+ yychar = YYEMPTY;
+ goto yynewstate;
+
+
+/*-----------------------------------------------------------.
+| yydefault -- do the default action for the current state. |
+`-----------------------------------------------------------*/
+yydefault:
+ yyn = yydefact[yystate];
+ if (yyn == 0)
+ goto yyerrlab;
+ goto yyreduce;
+
+
+/*-----------------------------.
+| yyreduce -- do a reduction. |
+`-----------------------------*/
+yyreduce:
+ /* yyn is the number of a rule to reduce with. */
+ yylen = yyr2[yyn];
+
+ /* If YYLEN is nonzero, implement the default value of the action:
+ '$$ = $1'.
+
+ 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];
+
+
+ YY_REDUCE_PRINT (yyn);
+ switch (yyn)
+ {
+ case 2: /* inputunit: simple_list simple_list_terminator */
+#line 396 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
/* 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); */
+ if (parser_state & PST_CMDSUBST)
+ parser_state |= PST_EOFTOKEN;
YYACCEPT;
- ;
- break;}
-case 2:
-#line 360 "/Users/chet/src/bash/src/parse.y"
-{
+ }
+#line 1954 "y.tab.c"
+ break;
+
+ case 3: /* inputunit: comsub */
+#line 407 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ /* This is special; look at the production and how
+ parse_comsub sets token_to_read */
+ global_command = (yyvsp[0].command);
+ eof_encountered = 0;
+ YYACCEPT;
+ }
+#line 1966 "y.tab.c"
+ break;
+
+ case 4: /* inputunit: '\n' */
+#line 415 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
/* 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 367 "/Users/chet/src/bash/src/parse.y"
-{
+ }
+#line 1979 "y.tab.c"
+ break;
+
+ case 5: /* inputunit: error '\n' */
+#line 424 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
/* Error during parsing. Return NULL command. */
global_command = (COMMAND *)NULL;
eof_encountered = 0;
/* discard_parser_constructs (1); */
- if (interactive)
+ if (interactive && parse_and_execute_level == 0)
{
YYACCEPT;
}
{
YYABORT;
}
- ;
- break;}
-case 4:
-#line 382 "/Users/chet/src/bash/src/parse.y"
-{
+ }
+#line 1998 "y.tab.c"
+ break;
+
+ case 6: /* inputunit: error yacc_EOF */
+#line 439 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ /* 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 */
+ if (interactive && parse_and_execute_level == 0)
+ {
+ handle_eof_input_unit ();
+ YYACCEPT;
+ }
+ else
+ {
+ YYABORT;
+ }
+ }
+#line 2019 "y.tab.c"
+ break;
+
+ case 7: /* inputunit: error $end */
+#line 456 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ global_command = (COMMAND *)NULL;
+ if (last_command_exit_value == 0)
+ last_command_exit_value = EX_BADUSAGE; /* force error return */
+ if (interactive && parse_and_execute_level == 0)
+ {
+ handle_eof_input_unit ();
+ YYACCEPT;
+ }
+ else
+ {
+ YYABORT;
+ }
+ }
+#line 2038 "y.tab.c"
+ break;
+
+ case 8: /* inputunit: yacc_EOF */
+#line 471 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
/* Case of EOF seen by itself. Do ignoreeof or
not. */
global_command = (COMMAND *)NULL;
handle_eof_input_unit ();
YYACCEPT;
- ;
- break;}
-case 5:
-#line 392 "/Users/chet/src/bash/src/parse.y"
-{ yyval.word_list = make_word_list (yyvsp[0].word, (WORD_LIST *)NULL); ;
- break;}
-case 6:
-#line 394 "/Users/chet/src/bash/src/parse.y"
-{ yyval.word_list = make_word_list (yyvsp[0].word, yyvsp[-1].word_list); ;
- break;}
-case 7:
-#line 398 "/Users/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (1, r_output_direction, redir);
- ;
- break;}
-case 8:
-#line 403 "/Users/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (0, r_input_direction, redir);
- ;
- break;}
-case 9:
-#line 408 "/Users/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 413 "/Users/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 418 "/Users/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (1, r_appending_to, redir);
- ;
- break;}
-case 12:
-#line 423 "/Users/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 428 "/Users/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 434 "/Users/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 440 "/Users/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (0, r_reading_string, redir);
- ;
- break;}
-case 16:
-#line 445 "/Users/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_reading_string, redir);
- ;
- break;}
-case 17:
-#line 450 "/Users/chet/src/bash/src/parse.y"
-{
- redir.dest = yyvsp[0].number;
- yyval.redirect = make_redirection (0, r_duplicating_input, redir);
- ;
- break;}
-case 18:
-#line 455 "/Users/chet/src/bash/src/parse.y"
-{
- redir.dest = yyvsp[0].number;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_duplicating_input, redir);
- ;
- break;}
-case 19:
-#line 460 "/Users/chet/src/bash/src/parse.y"
-{
- redir.dest = yyvsp[0].number;
- yyval.redirect = make_redirection (1, r_duplicating_output, redir);
- ;
- break;}
-case 20:
-#line 465 "/Users/chet/src/bash/src/parse.y"
-{
- redir.dest = yyvsp[0].number;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_duplicating_output, redir);
- ;
- break;}
-case 21:
-#line 470 "/Users/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (0, r_duplicating_input_word, redir);
- ;
- break;}
-case 22:
-#line 475 "/Users/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 23:
-#line 480 "/Users/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (1, r_duplicating_output_word, redir);
- ;
- break;}
-case 24:
-#line 485 "/Users/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 25:
-#line 490 "/Users/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 26:
-#line 497 "/Users/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 27:
-#line 504 "/Users/chet/src/bash/src/parse.y"
-{
+ }
+#line 2050 "y.tab.c"
+ break;
+
+ case 9: /* word_list: WORD */
+#line 481 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.word_list) = make_word_list ((yyvsp[0].word), (WORD_LIST *)NULL); }
+#line 2056 "y.tab.c"
+ break;
+
+ case 10: /* word_list: word_list WORD */
+#line 483 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.word_list) = make_word_list ((yyvsp[0].word), (yyvsp[-1].word_list)); }
+#line 2062 "y.tab.c"
+ break;
+
+ case 11: /* redirection: '>' WORD */
+#line 487 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.dest = 1;
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_output_direction, redir, 0);
+ }
+#line 2072 "y.tab.c"
+ break;
+
+ case 12: /* redirection: '<' WORD */
+#line 493 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.dest = 0;
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_input_direction, redir, 0);
+ }
+#line 2082 "y.tab.c"
+ break;
+
+ case 13: /* redirection: NUMBER '>' WORD */
+#line 499 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.dest = (yyvsp[-2].number);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_output_direction, redir, 0);
+ }
+#line 2092 "y.tab.c"
+ break;
+
+ case 14: /* redirection: NUMBER '<' WORD */
+#line 505 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.dest = (yyvsp[-2].number);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_input_direction, redir, 0);
+ }
+#line 2102 "y.tab.c"
+ break;
+
+ case 15: /* redirection: REDIR_WORD '>' WORD */
+#line 511 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.filename = (yyvsp[-2].word);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_output_direction, redir, REDIR_VARASSIGN);
+ }
+#line 2112 "y.tab.c"
+ break;
+
+ case 16: /* redirection: REDIR_WORD '<' WORD */
+#line 517 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.filename = (yyvsp[-2].word);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_input_direction, redir, REDIR_VARASSIGN);
+ }
+#line 2122 "y.tab.c"
+ break;
+
+ case 17: /* redirection: GREATER_GREATER WORD */
+#line 523 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.dest = 1;
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_appending_to, redir, 0);
+ }
+#line 2132 "y.tab.c"
+ break;
+
+ case 18: /* redirection: NUMBER GREATER_GREATER WORD */
+#line 529 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.dest = (yyvsp[-2].number);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_appending_to, redir, 0);
+ }
+#line 2142 "y.tab.c"
+ break;
+
+ case 19: /* redirection: REDIR_WORD GREATER_GREATER WORD */
+#line 535 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.filename = (yyvsp[-2].word);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_appending_to, redir, REDIR_VARASSIGN);
+ }
+#line 2152 "y.tab.c"
+ break;
+
+ case 20: /* redirection: GREATER_BAR WORD */
+#line 541 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.dest = 1;
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_output_force, redir, 0);
+ }
+#line 2162 "y.tab.c"
+ break;
+
+ case 21: /* redirection: NUMBER GREATER_BAR WORD */
+#line 547 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.dest = (yyvsp[-2].number);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_output_force, redir, 0);
+ }
+#line 2172 "y.tab.c"
+ break;
+
+ case 22: /* redirection: REDIR_WORD GREATER_BAR WORD */
+#line 553 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.filename = (yyvsp[-2].word);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_output_force, redir, REDIR_VARASSIGN);
+ }
+#line 2182 "y.tab.c"
+ break;
+
+ case 23: /* redirection: LESS_GREATER WORD */
+#line 559 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.dest = 0;
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_input_output, redir, 0);
+ }
+#line 2192 "y.tab.c"
+ break;
+
+ case 24: /* redirection: NUMBER LESS_GREATER WORD */
+#line 565 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.dest = (yyvsp[-2].number);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_input_output, redir, 0);
+ }
+#line 2202 "y.tab.c"
+ break;
+
+ case 25: /* redirection: REDIR_WORD LESS_GREATER WORD */
+#line 571 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.filename = (yyvsp[-2].word);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_input_output, redir, REDIR_VARASSIGN);
+ }
+#line 2212 "y.tab.c"
+ break;
+
+ case 26: /* redirection: LESS_LESS WORD */
+#line 577 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.dest = 0;
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_reading_until, redir, 0);
+ push_heredoc ((yyval.redirect));
+ }
+#line 2223 "y.tab.c"
+ break;
+
+ case 27: /* redirection: NUMBER LESS_LESS WORD */
+#line 584 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ 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 2234 "y.tab.c"
+ break;
+
+ case 28: /* redirection: REDIR_WORD LESS_LESS WORD */
+#line 591 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ 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 2245 "y.tab.c"
+ break;
+
+ case 29: /* redirection: LESS_LESS_MINUS WORD */
+#line 598 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.dest = 0;
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_deblank_reading_until, redir, 0);
+ push_heredoc ((yyval.redirect));
+ }
+#line 2256 "y.tab.c"
+ break;
+
+ case 30: /* redirection: NUMBER LESS_LESS_MINUS WORD */
+#line 605 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ 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 2267 "y.tab.c"
+ break;
+
+ case 31: /* redirection: REDIR_WORD LESS_LESS_MINUS WORD */
+#line 612 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ 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 2278 "y.tab.c"
+ break;
+
+ case 32: /* redirection: LESS_LESS_LESS WORD */
+#line 619 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.dest = 0;
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_reading_string, redir, 0);
+ }
+#line 2288 "y.tab.c"
+ break;
+
+ case 33: /* redirection: NUMBER LESS_LESS_LESS WORD */
+#line 625 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.dest = (yyvsp[-2].number);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_reading_string, redir, 0);
+ }
+#line 2298 "y.tab.c"
+ break;
+
+ case 34: /* redirection: REDIR_WORD LESS_LESS_LESS WORD */
+#line 631 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.filename = (yyvsp[-2].word);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_reading_string, redir, REDIR_VARASSIGN);
+ }
+#line 2308 "y.tab.c"
+ break;
+
+ case 35: /* redirection: LESS_AND NUMBER */
+#line 637 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.dest = 0;
+ redir.dest = (yyvsp[0].number);
+ (yyval.redirect) = make_redirection (source, r_duplicating_input, redir, 0);
+ }
+#line 2318 "y.tab.c"
+ break;
+
+ case 36: /* redirection: NUMBER LESS_AND NUMBER */
+#line 643 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.dest = (yyvsp[-2].number);
+ redir.dest = (yyvsp[0].number);
+ (yyval.redirect) = make_redirection (source, r_duplicating_input, redir, 0);
+ }
+#line 2328 "y.tab.c"
+ break;
+
+ case 37: /* redirection: REDIR_WORD LESS_AND NUMBER */
+#line 649 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.filename = (yyvsp[-2].word);
+ redir.dest = (yyvsp[0].number);
+ (yyval.redirect) = make_redirection (source, r_duplicating_input, redir, REDIR_VARASSIGN);
+ }
+#line 2338 "y.tab.c"
+ break;
+
+ case 38: /* redirection: GREATER_AND NUMBER */
+#line 655 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.dest = 1;
+ redir.dest = (yyvsp[0].number);
+ (yyval.redirect) = make_redirection (source, r_duplicating_output, redir, 0);
+ }
+#line 2348 "y.tab.c"
+ break;
+
+ case 39: /* redirection: NUMBER GREATER_AND NUMBER */
+#line 661 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.dest = (yyvsp[-2].number);
+ redir.dest = (yyvsp[0].number);
+ (yyval.redirect) = make_redirection (source, r_duplicating_output, redir, 0);
+ }
+#line 2358 "y.tab.c"
+ break;
+
+ case 40: /* redirection: REDIR_WORD GREATER_AND NUMBER */
+#line 667 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.filename = (yyvsp[-2].word);
+ redir.dest = (yyvsp[0].number);
+ (yyval.redirect) = make_redirection (source, r_duplicating_output, redir, REDIR_VARASSIGN);
+ }
+#line 2368 "y.tab.c"
+ break;
+
+ case 41: /* redirection: LESS_AND WORD */
+#line 673 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.dest = 0;
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_duplicating_input_word, redir, 0);
+ }
+#line 2378 "y.tab.c"
+ break;
+
+ case 42: /* redirection: NUMBER LESS_AND WORD */
+#line 679 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.dest = (yyvsp[-2].number);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_duplicating_input_word, redir, 0);
+ }
+#line 2388 "y.tab.c"
+ break;
+
+ case 43: /* redirection: REDIR_WORD LESS_AND WORD */
+#line 685 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.filename = (yyvsp[-2].word);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_duplicating_input_word, redir, REDIR_VARASSIGN);
+ }
+#line 2398 "y.tab.c"
+ break;
+
+ case 44: /* redirection: GREATER_AND WORD */
+#line 691 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.dest = 1;
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_duplicating_output_word, redir, 0);
+ }
+#line 2408 "y.tab.c"
+ break;
+
+ case 45: /* redirection: NUMBER GREATER_AND WORD */
+#line 697 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.dest = (yyvsp[-2].number);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_duplicating_output_word, redir, 0);
+ }
+#line 2418 "y.tab.c"
+ break;
+
+ case 46: /* redirection: REDIR_WORD GREATER_AND WORD */
+#line 703 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.filename = (yyvsp[-2].word);
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_duplicating_output_word, redir, REDIR_VARASSIGN);
+ }
+#line 2428 "y.tab.c"
+ break;
+
+ case 47: /* redirection: GREATER_AND '-' */
+#line 709 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.dest = 1;
redir.dest = 0;
- yyval.redirect = make_redirection (1, r_close_this, redir);
- ;
- break;}
-case 28:
-#line 509 "/Users/chet/src/bash/src/parse.y"
-{
+ (yyval.redirect) = make_redirection (source, r_close_this, redir, 0);
+ }
+#line 2438 "y.tab.c"
+ break;
+
+ case 48: /* redirection: NUMBER GREATER_AND '-' */
+#line 715 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.dest = (yyvsp[-2].number);
redir.dest = 0;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_close_this, redir);
- ;
- break;}
-case 29:
-#line 514 "/Users/chet/src/bash/src/parse.y"
-{
+ (yyval.redirect) = make_redirection (source, r_close_this, redir, 0);
+ }
+#line 2448 "y.tab.c"
+ break;
+
+ case 49: /* redirection: REDIR_WORD GREATER_AND '-' */
+#line 721 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.filename = (yyvsp[-2].word);
redir.dest = 0;
- yyval.redirect = make_redirection (0, r_close_this, redir);
- ;
- break;}
-case 30:
-#line 519 "/Users/chet/src/bash/src/parse.y"
-{
+ (yyval.redirect) = make_redirection (source, r_close_this, redir, REDIR_VARASSIGN);
+ }
+#line 2458 "y.tab.c"
+ break;
+
+ case 50: /* redirection: LESS_AND '-' */
+#line 727 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.dest = 0;
redir.dest = 0;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_close_this, redir);
- ;
- break;}
-case 31:
-#line 524 "/Users/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (1, r_err_and_out, redir);
- ;
- break;}
-case 32:
-#line 529 "/Users/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_input_output, redir);
- ;
- break;}
-case 33:
-#line 534 "/Users/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (0, r_input_output, redir);
- ;
- break;}
-case 34:
-#line 539 "/Users/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (1, r_output_force, redir);
- ;
- break;}
-case 35:
-#line 544 "/Users/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_output_force, redir);
- ;
- break;}
-case 36:
-#line 551 "/Users/chet/src/bash/src/parse.y"
-{ yyval.element.word = yyvsp[0].word; yyval.element.redirect = 0; ;
- break;}
-case 37:
-#line 553 "/Users/chet/src/bash/src/parse.y"
-{ yyval.element.word = yyvsp[0].word; yyval.element.redirect = 0; ;
- break;}
-case 38:
-#line 555 "/Users/chet/src/bash/src/parse.y"
-{ yyval.element.redirect = yyvsp[0].redirect; yyval.element.word = 0; ;
- break;}
-case 39:
-#line 559 "/Users/chet/src/bash/src/parse.y"
-{
- yyval.redirect = yyvsp[0].redirect;
- ;
- break;}
-case 40:
-#line 563 "/Users/chet/src/bash/src/parse.y"
-{
+ (yyval.redirect) = make_redirection (source, r_close_this, redir, 0);
+ }
+#line 2468 "y.tab.c"
+ break;
+
+ case 51: /* redirection: NUMBER LESS_AND '-' */
+#line 733 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.dest = (yyvsp[-2].number);
+ redir.dest = 0;
+ (yyval.redirect) = make_redirection (source, r_close_this, redir, 0);
+ }
+#line 2478 "y.tab.c"
+ break;
+
+ case 52: /* redirection: REDIR_WORD LESS_AND '-' */
+#line 739 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.filename = (yyvsp[-2].word);
+ redir.dest = 0;
+ (yyval.redirect) = make_redirection (source, r_close_this, redir, REDIR_VARASSIGN);
+ }
+#line 2488 "y.tab.c"
+ break;
+
+ case 53: /* redirection: AND_GREATER WORD */
+#line 745 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.dest = 1;
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_err_and_out, redir, 0);
+ }
+#line 2498 "y.tab.c"
+ break;
+
+ case 54: /* redirection: AND_GREATER_GREATER WORD */
+#line 751 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ source.dest = 1;
+ redir.filename = (yyvsp[0].word);
+ (yyval.redirect) = make_redirection (source, r_append_err_and_out, redir, 0);
+ }
+#line 2508 "y.tab.c"
+ break;
+
+ case 55: /* simple_command_element: WORD */
+#line 759 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.element).word = (yyvsp[0].word); (yyval.element).redirect = 0; }
+#line 2514 "y.tab.c"
+ break;
+
+ case 56: /* simple_command_element: ASSIGNMENT_WORD */
+#line 761 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.element).word = (yyvsp[0].word); (yyval.element).redirect = 0; }
+#line 2520 "y.tab.c"
+ break;
+
+ case 57: /* simple_command_element: redirection */
+#line 763 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.element).redirect = (yyvsp[0].redirect); (yyval.element).word = 0; }
+#line 2526 "y.tab.c"
+ break;
+
+ case 58: /* redirection_list: redirection */
+#line 767 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (yyval.redirect) = (yyvsp[0].redirect);
+ }
+#line 2534 "y.tab.c"
+ break;
+
+ case 59: /* redirection_list: redirection_list redirection */
+#line 771 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
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 41:
-#line 574 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = make_simple_command (yyvsp[0].element, (COMMAND *)NULL); ;
- break;}
-case 42:
-#line 576 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = make_simple_command (yyvsp[0].element, yyvsp[-1].command); ;
- break;}
-case 43:
-#line 580 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = clean_simple_command (yyvsp[0].command); ;
- break;}
-case 44:
-#line 582 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 45:
-#line 584 "/Users/chet/src/bash/src/parse.y"
-{
+ t->next = (yyvsp[0].redirect);
+ (yyval.redirect) = (yyvsp[-1].redirect);
+ }
+#line 2547 "y.tab.c"
+ break;
+
+ case 60: /* simple_command: simple_command_element */
+#line 782 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_simple_command ((yyvsp[0].element), (COMMAND *)NULL); }
+#line 2553 "y.tab.c"
+ break;
+
+ case 61: /* simple_command: simple_command simple_command_element */
+#line 784 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_simple_command ((yyvsp[0].element), (yyvsp[-1].command)); }
+#line 2559 "y.tab.c"
+ break;
+
+ case 62: /* command: simple_command */
+#line 788 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = clean_simple_command ((yyvsp[0].command)); }
+#line 2565 "y.tab.c"
+ break;
+
+ case 63: /* command: shell_command */
+#line 790 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[0].command); }
+#line 2571 "y.tab.c"
+ break;
+
+ case 64: /* command: shell_command redirection_list */
+#line 792 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
COMMAND *tc;
- tc = yyvsp[-1].command;
- if (tc->redirects)
+ 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 46:
-#line 600 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 47:
-#line 604 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 48:
-#line 606 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 49:
-#line 608 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = make_while_command (yyvsp[-3].command, yyvsp[-1].command); ;
- break;}
-case 50:
-#line 610 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = make_until_command (yyvsp[-3].command, yyvsp[-1].command); ;
- break;}
-case 51:
-#line 612 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 52:
-#line 614 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 53:
-#line 616 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 54:
-#line 618 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 55:
-#line 620 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 56:
-#line 622 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 57:
-#line 624 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 58:
-#line 628 "/Users/chet/src/bash/src/parse.y"
-{
- yyval.command = make_for_command (yyvsp[-4].word, add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), yyvsp[-1].command, word_lineno[word_top]);
+ else if (tc)
+ tc->redirects = (yyvsp[0].redirect);
+ (yyval.command) = (yyvsp[-1].command);
+ }
+#line 2591 "y.tab.c"
+ break;
+
+ case 65: /* command: function_def */
+#line 808 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[0].command); }
+#line 2597 "y.tab.c"
+ break;
+
+ case 66: /* command: coproc */
+#line 810 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[0].command); }
+#line 2603 "y.tab.c"
+ break;
+
+ case 67: /* shell_command: for_command */
+#line 814 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[0].command); }
+#line 2609 "y.tab.c"
+ break;
+
+ case 68: /* shell_command: case_command */
+#line 816 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[0].command); }
+#line 2615 "y.tab.c"
+ break;
+
+ case 69: /* shell_command: WHILE compound_list DO compound_list DONE */
+#line 818 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_while_command ((yyvsp[-3].command), (yyvsp[-1].command)); }
+#line 2621 "y.tab.c"
+ break;
+
+ case 70: /* shell_command: UNTIL compound_list DO compound_list DONE */
+#line 820 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_until_command ((yyvsp[-3].command), (yyvsp[-1].command)); }
+#line 2627 "y.tab.c"
+ break;
+
+ case 71: /* shell_command: select_command */
+#line 822 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[0].command); }
+#line 2633 "y.tab.c"
+ break;
+
+ case 72: /* shell_command: if_command */
+#line 824 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[0].command); }
+#line 2639 "y.tab.c"
+ break;
+
+ case 73: /* shell_command: subshell */
+#line 826 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[0].command); }
+#line 2645 "y.tab.c"
+ break;
+
+ case 74: /* shell_command: group_command */
+#line 828 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[0].command); }
+#line 2651 "y.tab.c"
+ break;
+
+ case 75: /* shell_command: arith_command */
+#line 830 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[0].command); }
+#line 2657 "y.tab.c"
+ break;
+
+ case 76: /* shell_command: cond_command */
+#line 832 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[0].command); }
+#line 2663 "y.tab.c"
+ break;
+
+ case 77: /* shell_command: arith_for_command */
+#line 834 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[0].command); }
+#line 2669 "y.tab.c"
+ break;
+
+ case 78: /* for_command: FOR WORD newline_list DO compound_list DONE */
+#line 838 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (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--;
- ;
- break;}
-case 59:
-#line 633 "/Users/chet/src/bash/src/parse.y"
-{
- yyval.command = make_for_command (yyvsp[-4].word, add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), yyvsp[-1].command, word_lineno[word_top]);
+ }
+#line 2678 "y.tab.c"
+ break;
+
+ case 79: /* for_command: FOR WORD newline_list '{' compound_list '}' */
+#line 843 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (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--;
- ;
- break;}
-case 60:
-#line 638 "/Users/chet/src/bash/src/parse.y"
-{
- yyval.command = make_for_command (yyvsp[-5].word, add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), yyvsp[-1].command, word_lineno[word_top]);
+ }
+#line 2687 "y.tab.c"
+ break;
+
+ case 80: /* for_command: FOR WORD ';' newline_list DO compound_list DONE */
+#line 848 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (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--;
- ;
- break;}
-case 61:
-#line 643 "/Users/chet/src/bash/src/parse.y"
-{
- yyval.command = make_for_command (yyvsp[-5].word, add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), yyvsp[-1].command, word_lineno[word_top]);
+ }
+#line 2696 "y.tab.c"
+ break;
+
+ case 81: /* for_command: FOR WORD ';' newline_list '{' compound_list '}' */
+#line 853 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (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--;
- ;
- break;}
-case 62:
-#line 648 "/Users/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, word_lineno[word_top]);
+ }
+#line 2705 "y.tab.c"
+ break;
+
+ case 82: /* for_command: FOR WORD newline_list IN word_list list_terminator newline_list DO compound_list DONE */
+#line 858 "/usr/local/src/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), word_lineno[word_top]);
if (word_top > 0) word_top--;
- ;
- break;}
-case 63:
-#line 653 "/Users/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, word_lineno[word_top]);
+ }
+#line 2714 "y.tab.c"
+ break;
+
+ case 83: /* for_command: FOR WORD newline_list IN word_list list_terminator newline_list '{' compound_list '}' */
+#line 863 "/usr/local/src/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), word_lineno[word_top]);
if (word_top > 0) word_top--;
- ;
- break;}
-case 64:
-#line 658 "/Users/chet/src/bash/src/parse.y"
-{
- yyval.command = make_for_command (yyvsp[-7].word, (WORD_LIST *)NULL, yyvsp[-1].command, word_lineno[word_top]);
+ }
+#line 2723 "y.tab.c"
+ break;
+
+ case 84: /* for_command: FOR WORD newline_list IN list_terminator newline_list DO compound_list DONE */
+#line 868 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_for_command ((yyvsp[-7].word), (WORD_LIST *)NULL, (yyvsp[-1].command), word_lineno[word_top]);
if (word_top > 0) word_top--;
- ;
- break;}
-case 65:
-#line 663 "/Users/chet/src/bash/src/parse.y"
-{
- yyval.command = make_for_command (yyvsp[-7].word, (WORD_LIST *)NULL, yyvsp[-1].command, word_lineno[word_top]);
+ }
+#line 2732 "y.tab.c"
+ break;
+
+ case 85: /* for_command: FOR WORD newline_list IN list_terminator newline_list '{' compound_list '}' */
+#line 873 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_for_command ((yyvsp[-7].word), (WORD_LIST *)NULL, (yyvsp[-1].command), word_lineno[word_top]);
if (word_top > 0) word_top--;
- ;
- break;}
-case 66:
-#line 670 "/Users/chet/src/bash/src/parse.y"
-{
- yyval.command = make_arith_for_command (yyvsp[-5].word_list, yyvsp[-1].command, arith_for_lineno);
+ }
+#line 2741 "y.tab.c"
+ break;
+
+ case 86: /* arith_for_command: FOR ARITH_FOR_EXPRS list_terminator newline_list DO compound_list DONE */
+#line 880 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (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--;
- ;
- break;}
-case 67:
-#line 675 "/Users/chet/src/bash/src/parse.y"
-{
- yyval.command = make_arith_for_command (yyvsp[-5].word_list, yyvsp[-1].command, arith_for_lineno);
+ }
+#line 2751 "y.tab.c"
+ break;
+
+ case 87: /* arith_for_command: FOR ARITH_FOR_EXPRS list_terminator newline_list '{' compound_list '}' */
+#line 886 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (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--;
- ;
- break;}
-case 68:
-#line 680 "/Users/chet/src/bash/src/parse.y"
-{
- yyval.command = make_arith_for_command (yyvsp[-3].word_list, yyvsp[-1].command, arith_for_lineno);
+ }
+#line 2761 "y.tab.c"
+ break;
+
+ case 88: /* arith_for_command: FOR ARITH_FOR_EXPRS DO compound_list DONE */
+#line 892 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (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--;
- ;
- break;}
-case 69:
-#line 685 "/Users/chet/src/bash/src/parse.y"
-{
- yyval.command = make_arith_for_command (yyvsp[-3].word_list, yyvsp[-1].command, arith_for_lineno);
+ }
+#line 2771 "y.tab.c"
+ break;
+
+ case 89: /* arith_for_command: FOR ARITH_FOR_EXPRS '{' compound_list '}' */
+#line 898 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (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--;
- ;
- break;}
-case 70:
-#line 692 "/Users/chet/src/bash/src/parse.y"
-{
- yyval.command = make_select_command (yyvsp[-4].word, add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), yyvsp[-1].command, word_lineno[word_top]);
+ }
+#line 2781 "y.tab.c"
+ break;
+
+ case 90: /* select_command: SELECT WORD newline_list DO compound_list DONE */
+#line 906 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (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--;
- ;
- break;}
-case 71:
-#line 697 "/Users/chet/src/bash/src/parse.y"
-{
- yyval.command = make_select_command (yyvsp[-4].word, add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), yyvsp[-1].command, word_lineno[word_top]);
+ }
+#line 2790 "y.tab.c"
+ break;
+
+ case 91: /* select_command: SELECT WORD newline_list '{' compound_list '}' */
+#line 911 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (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--;
- ;
- break;}
-case 72:
-#line 702 "/Users/chet/src/bash/src/parse.y"
-{
- yyval.command = make_select_command (yyvsp[-5].word, add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), yyvsp[-1].command, word_lineno[word_top]);
+ }
+#line 2799 "y.tab.c"
+ break;
+
+ case 92: /* select_command: SELECT WORD ';' newline_list DO compound_list DONE */
+#line 916 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (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--;
- ;
- break;}
-case 73:
-#line 707 "/Users/chet/src/bash/src/parse.y"
-{
- yyval.command = make_select_command (yyvsp[-5].word, add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), yyvsp[-1].command, word_lineno[word_top]);
+ }
+#line 2808 "y.tab.c"
+ break;
+
+ case 93: /* select_command: SELECT WORD ';' newline_list '{' compound_list '}' */
+#line 921 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (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--;
- ;
- break;}
-case 74:
-#line 712 "/Users/chet/src/bash/src/parse.y"
-{
- yyval.command = make_select_command (yyvsp[-8].word, REVERSE_LIST (yyvsp[-5].word_list, WORD_LIST *), yyvsp[-1].command, word_lineno[word_top]);
+ }
+#line 2817 "y.tab.c"
+ break;
+
+ case 94: /* select_command: SELECT WORD newline_list IN word_list list_terminator newline_list DO compound_list DONE */
+#line 926 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (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--;
- ;
- break;}
-case 75:
-#line 717 "/Users/chet/src/bash/src/parse.y"
-{
- yyval.command = make_select_command (yyvsp[-8].word, REVERSE_LIST (yyvsp[-5].word_list, WORD_LIST *), yyvsp[-1].command, word_lineno[word_top]);
+ }
+#line 2826 "y.tab.c"
+ break;
+
+ case 95: /* select_command: SELECT WORD newline_list IN word_list list_terminator newline_list '{' compound_list '}' */
+#line 931 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (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--;
- ;
- break;}
-case 76:
-#line 724 "/Users/chet/src/bash/src/parse.y"
-{
- yyval.command = make_case_command (yyvsp[-4].word, (PATTERN_LIST *)NULL, word_lineno[word_top]);
+ }
+#line 2835 "y.tab.c"
+ break;
+
+ case 96: /* select_command: SELECT WORD newline_list IN list_terminator newline_list DO compound_list DONE */
+#line 936 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_select_command ((yyvsp[-7].word), (WORD_LIST *)NULL, (yyvsp[-1].command), word_lineno[word_top]);
if (word_top > 0) word_top--;
- ;
- break;}
-case 77:
-#line 729 "/Users/chet/src/bash/src/parse.y"
-{
- yyval.command = make_case_command (yyvsp[-5].word, yyvsp[-2].pattern, word_lineno[word_top]);
+ }
+#line 2844 "y.tab.c"
+ break;
+
+ case 97: /* select_command: SELECT WORD newline_list IN list_terminator newline_list '{' compound_list '}' */
+#line 941 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_select_command ((yyvsp[-7].word), (WORD_LIST *)NULL, (yyvsp[-1].command), word_lineno[word_top]);
if (word_top > 0) word_top--;
- ;
- break;}
-case 78:
-#line 734 "/Users/chet/src/bash/src/parse.y"
-{
- yyval.command = make_case_command (yyvsp[-4].word, yyvsp[-1].pattern, word_lineno[word_top]);
+ }
+#line 2853 "y.tab.c"
+ break;
+
+ case 98: /* case_command: CASE WORD newline_list IN newline_list ESAC */
+#line 948 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_case_command ((yyvsp[-4].word), (PATTERN_LIST *)NULL, word_lineno[word_top]);
if (word_top > 0) word_top--;
- ;
- break;}
-case 79:
-#line 741 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = make_function_def (yyvsp[-4].word, yyvsp[0].command, function_dstart, function_bstart); ;
- break;}
-case 80:
-#line 744 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = make_function_def (yyvsp[-4].word, yyvsp[0].command, function_dstart, function_bstart); ;
- break;}
-case 81:
-#line 747 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = make_function_def (yyvsp[-2].word, yyvsp[0].command, function_dstart, function_bstart); ;
- break;}
-case 82:
-#line 752 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 83:
-#line 754 "/Users/chet/src/bash/src/parse.y"
-{
+ }
+#line 2862 "y.tab.c"
+ break;
+
+ case 99: /* case_command: CASE WORD newline_list IN case_clause_sequence newline_list ESAC */
+#line 953 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_case_command ((yyvsp[-5].word), (yyvsp[-2].pattern), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+#line 2871 "y.tab.c"
+ break;
+
+ case 100: /* case_command: CASE WORD newline_list IN case_clause ESAC */
+#line 958 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_case_command ((yyvsp[-4].word), (yyvsp[-1].pattern), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+#line 2880 "y.tab.c"
+ break;
+
+ case 101: /* function_def: WORD '(' ')' newline_list function_body */
+#line 965 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_function_def ((yyvsp[-4].word), (yyvsp[0].command), function_dstart, function_bstart); }
+#line 2886 "y.tab.c"
+ break;
+
+ case 102: /* function_def: FUNCTION WORD '(' ')' newline_list function_body */
+#line 967 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_function_def ((yyvsp[-4].word), (yyvsp[0].command), function_dstart, function_bstart); }
+#line 2892 "y.tab.c"
+ break;
+
+ case 103: /* function_def: FUNCTION WORD function_body */
+#line 969 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_function_def ((yyvsp[-1].word), (yyvsp[0].command), function_dstart, function_bstart); }
+#line 2898 "y.tab.c"
+ break;
+
+ case 104: /* function_def: FUNCTION WORD '\n' newline_list function_body */
+#line 971 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_function_def ((yyvsp[-3].word), (yyvsp[0].command), function_dstart, function_bstart); }
+#line 2904 "y.tab.c"
+ break;
+
+ case 105: /* function_body: shell_command */
+#line 975 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[0].command); }
+#line 2910 "y.tab.c"
+ break;
+
+ case 106: /* function_body: shell_command redirection_list */
+#line 977 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
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->redirects)
+ 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 84:
-#line 785 "/Users/chet/src/bash/src/parse.y"
-{
- yyval.command = make_subshell_command (yyvsp[-1].command);
- yyval.command->flags |= CMD_WANT_SUBSHELL;
- ;
- break;}
-case 85:
-#line 792 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = make_if_command (yyvsp[-3].command, yyvsp[-1].command, (COMMAND *)NULL); ;
- break;}
-case 86:
-#line 794 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = make_if_command (yyvsp[-5].command, yyvsp[-3].command, yyvsp[-1].command); ;
- break;}
-case 87:
-#line 796 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = make_if_command (yyvsp[-4].command, yyvsp[-2].command, yyvsp[-1].command); ;
- break;}
-case 88:
-#line 801 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = make_group_command (yyvsp[-1].command); ;
- break;}
-case 89:
-#line 805 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = make_arith_command (yyvsp[0].word_list); ;
- break;}
-case 90:
-#line 809 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[-1].command; ;
- break;}
-case 91:
-#line 813 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = make_if_command (yyvsp[-2].command, yyvsp[0].command, (COMMAND *)NULL); ;
- break;}
-case 92:
-#line 815 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = make_if_command (yyvsp[-4].command, yyvsp[-2].command, yyvsp[0].command); ;
- break;}
-case 93:
-#line 817 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = make_if_command (yyvsp[-3].command, yyvsp[-1].command, yyvsp[0].command); ;
- break;}
-case 95:
-#line 822 "/Users/chet/src/bash/src/parse.y"
-{ yyvsp[0].pattern->next = yyvsp[-1].pattern; yyval.pattern = yyvsp[0].pattern; ;
- break;}
-case 96:
-#line 826 "/Users/chet/src/bash/src/parse.y"
-{ yyval.pattern = make_pattern_list (yyvsp[-2].word_list, yyvsp[0].command); ;
- break;}
-case 97:
-#line 828 "/Users/chet/src/bash/src/parse.y"
-{ yyval.pattern = make_pattern_list (yyvsp[-2].word_list, (COMMAND *)NULL); ;
- break;}
-case 98:
-#line 830 "/Users/chet/src/bash/src/parse.y"
-{ yyval.pattern = make_pattern_list (yyvsp[-2].word_list, yyvsp[0].command); ;
- break;}
-case 99:
-#line 832 "/Users/chet/src/bash/src/parse.y"
-{ yyval.pattern = make_pattern_list (yyvsp[-2].word_list, (COMMAND *)NULL); ;
- break;}
-case 101:
-#line 837 "/Users/chet/src/bash/src/parse.y"
-{ yyvsp[-1].pattern->next = yyvsp[-2].pattern; yyval.pattern = yyvsp[-1].pattern; ;
- break;}
-case 102:
-#line 841 "/Users/chet/src/bash/src/parse.y"
-{ yyval.word_list = make_word_list (yyvsp[0].word, (WORD_LIST *)NULL); ;
- break;}
-case 103:
-#line 843 "/Users/chet/src/bash/src/parse.y"
-{ yyval.word_list = make_word_list (yyvsp[0].word, yyvsp[-2].word_list); ;
- break;}
-case 104:
-#line 852 "/Users/chet/src/bash/src/parse.y"
-{
- yyval.command = yyvsp[0].command;
- if (need_here_doc)
+ else if (tc)
+ tc->redirects = (yyvsp[0].redirect);
+ (yyval.command) = (yyvsp[-1].command);
+ }
+#line 2943 "y.tab.c"
+ break;
+
+ case 107: /* subshell: '(' compound_list ')' */
+#line 1008 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_subshell_command ((yyvsp[-1].command));
+ (yyval.command)->flags |= CMD_WANT_SUBSHELL;
+ }
+#line 2952 "y.tab.c"
+ break;
+
+ case 108: /* comsub: DOLPAREN compound_list ')' */
+#line 1015 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = (yyvsp[-1].command);
+ }
+#line 2960 "y.tab.c"
+ break;
+
+ case 109: /* comsub: DOLPAREN newline_list ')' */
+#line 1019 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = (COMMAND *)NULL;
+ }
+#line 2968 "y.tab.c"
+ break;
+
+ case 110: /* coproc: COPROC shell_command */
+#line 1025 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_coproc_command ("COPROC", (yyvsp[0].command));
+ (yyval.command)->flags |= CMD_WANT_SUBSHELL|CMD_COPROC_SUBSHELL;
+ }
+#line 2977 "y.tab.c"
+ break;
+
+ case 111: /* coproc: COPROC shell_command redirection_list */
+#line 1030 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ 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 ("COPROC", (yyvsp[-1].command));
+ (yyval.command)->flags |= CMD_WANT_SUBSHELL|CMD_COPROC_SUBSHELL;
+ }
+#line 2998 "y.tab.c"
+ break;
+
+ case 112: /* coproc: COPROC WORD shell_command */
+#line 1047 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_coproc_command ((yyvsp[-1].word)->word, (yyvsp[0].command));
+ (yyval.command)->flags |= CMD_WANT_SUBSHELL|CMD_COPROC_SUBSHELL;
+ }
+#line 3007 "y.tab.c"
+ break;
+
+ case 113: /* coproc: COPROC WORD shell_command redirection_list */
+#line 1052 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ 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 3028 "y.tab.c"
+ break;
+
+ case 114: /* coproc: COPROC simple_command */
+#line 1069 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_coproc_command ("COPROC", clean_simple_command ((yyvsp[0].command)));
+ (yyval.command)->flags |= CMD_WANT_SUBSHELL|CMD_COPROC_SUBSHELL;
+ }
+#line 3037 "y.tab.c"
+ break;
+
+ case 115: /* if_command: IF compound_list THEN compound_list FI */
+#line 1076 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_if_command ((yyvsp[-3].command), (yyvsp[-1].command), (COMMAND *)NULL); }
+#line 3043 "y.tab.c"
+ break;
+
+ case 116: /* if_command: IF compound_list THEN compound_list ELSE compound_list FI */
+#line 1078 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_if_command ((yyvsp[-5].command), (yyvsp[-3].command), (yyvsp[-1].command)); }
+#line 3049 "y.tab.c"
+ break;
+
+ case 117: /* if_command: IF compound_list THEN compound_list elif_clause FI */
+#line 1080 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_if_command ((yyvsp[-4].command), (yyvsp[-2].command), (yyvsp[-1].command)); }
+#line 3055 "y.tab.c"
+ break;
+
+ case 118: /* group_command: '{' compound_list '}' */
+#line 1085 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_group_command ((yyvsp[-1].command)); }
+#line 3061 "y.tab.c"
+ break;
+
+ case 119: /* arith_command: ARITH_CMD */
+#line 1089 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_arith_command ((yyvsp[0].word_list)); }
+#line 3067 "y.tab.c"
+ break;
+
+ case 120: /* cond_command: COND_START COND_CMD COND_END */
+#line 1093 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[-1].command); }
+#line 3073 "y.tab.c"
+ break;
+
+ case 121: /* elif_clause: ELIF compound_list THEN compound_list */
+#line 1097 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_if_command ((yyvsp[-2].command), (yyvsp[0].command), (COMMAND *)NULL); }
+#line 3079 "y.tab.c"
+ break;
+
+ case 122: /* elif_clause: ELIF compound_list THEN compound_list ELSE compound_list */
+#line 1099 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_if_command ((yyvsp[-4].command), (yyvsp[-2].command), (yyvsp[0].command)); }
+#line 3085 "y.tab.c"
+ break;
+
+ case 123: /* elif_clause: ELIF compound_list THEN compound_list elif_clause */
+#line 1101 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_if_command ((yyvsp[-3].command), (yyvsp[-1].command), (yyvsp[0].command)); }
+#line 3091 "y.tab.c"
+ break;
+
+ case 125: /* case_clause: case_clause_sequence pattern_list */
+#line 1106 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyvsp[0].pattern)->next = (yyvsp[-1].pattern); (yyval.pattern) = (yyvsp[0].pattern); }
+#line 3097 "y.tab.c"
+ break;
+
+ case 126: /* pattern_list: newline_list pattern ')' compound_list */
+#line 1110 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.pattern) = make_pattern_list ((yyvsp[-2].word_list), (yyvsp[0].command)); }
+#line 3103 "y.tab.c"
+ break;
+
+ case 127: /* pattern_list: newline_list pattern ')' newline_list */
+#line 1112 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.pattern) = make_pattern_list ((yyvsp[-2].word_list), (COMMAND *)NULL); }
+#line 3109 "y.tab.c"
+ break;
+
+ case 128: /* pattern_list: newline_list '(' pattern ')' compound_list */
+#line 1114 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.pattern) = make_pattern_list ((yyvsp[-2].word_list), (yyvsp[0].command)); }
+#line 3115 "y.tab.c"
+ break;
+
+ case 129: /* pattern_list: newline_list '(' pattern ')' newline_list */
+#line 1116 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.pattern) = make_pattern_list ((yyvsp[-2].word_list), (COMMAND *)NULL); }
+#line 3121 "y.tab.c"
+ break;
+
+ case 130: /* case_clause_sequence: pattern_list SEMI_SEMI */
+#line 1120 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.pattern) = (yyvsp[-1].pattern); }
+#line 3127 "y.tab.c"
+ break;
+
+ case 131: /* case_clause_sequence: case_clause_sequence pattern_list SEMI_SEMI */
+#line 1122 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyvsp[-1].pattern)->next = (yyvsp[-2].pattern); (yyval.pattern) = (yyvsp[-1].pattern); }
+#line 3133 "y.tab.c"
+ break;
+
+ case 132: /* case_clause_sequence: pattern_list SEMI_AND */
+#line 1124 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyvsp[-1].pattern)->flags |= CASEPAT_FALLTHROUGH; (yyval.pattern) = (yyvsp[-1].pattern); }
+#line 3139 "y.tab.c"
+ break;
+
+ case 133: /* case_clause_sequence: case_clause_sequence pattern_list SEMI_AND */
+#line 1126 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyvsp[-1].pattern)->flags |= CASEPAT_FALLTHROUGH; (yyvsp[-1].pattern)->next = (yyvsp[-2].pattern); (yyval.pattern) = (yyvsp[-1].pattern); }
+#line 3145 "y.tab.c"
+ break;
+
+ case 134: /* case_clause_sequence: pattern_list SEMI_SEMI_AND */
+#line 1128 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyvsp[-1].pattern)->flags |= CASEPAT_TESTNEXT; (yyval.pattern) = (yyvsp[-1].pattern); }
+#line 3151 "y.tab.c"
+ break;
+
+ case 135: /* case_clause_sequence: case_clause_sequence pattern_list SEMI_SEMI_AND */
+#line 1130 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyvsp[-1].pattern)->flags |= CASEPAT_TESTNEXT; (yyvsp[-1].pattern)->next = (yyvsp[-2].pattern); (yyval.pattern) = (yyvsp[-1].pattern); }
+#line 3157 "y.tab.c"
+ break;
+
+ case 136: /* pattern: WORD */
+#line 1134 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.word_list) = make_word_list ((yyvsp[0].word), (WORD_LIST *)NULL); }
+#line 3163 "y.tab.c"
+ break;
+
+ case 137: /* pattern: pattern '|' WORD */
+#line 1136 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.word_list) = make_word_list ((yyvsp[0].word), (yyvsp[-2].word_list)); }
+#line 3169 "y.tab.c"
+ break;
+
+ case 138: /* compound_list: newline_list list0 */
+#line 1145 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = (yyvsp[0].command);
+ if (need_here_doc && last_read_token == '\n')
gather_here_documents ();
- ;
- break;}
-case 106:
-#line 861 "/Users/chet/src/bash/src/parse.y"
-{
- yyval.command = yyvsp[0].command;
- ;
- break;}
-case 108:
-#line 868 "/Users/chet/src/bash/src/parse.y"
-{
- if (yyvsp[-2].command->type == cm_connection)
- yyval.command = connect_async_list (yyvsp[-2].command, (COMMAND *)NULL, '&');
+ }
+#line 3179 "y.tab.c"
+ break;
+
+ case 139: /* compound_list: newline_list list1 */
+#line 1151 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = (yyvsp[0].command);
+ }
+#line 3187 "y.tab.c"
+ break;
+
+ case 141: /* list0: list1 '&' newline_list */
+#line 1158 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ 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 110:
-#line 879 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = command_connect (yyvsp[-3].command, yyvsp[0].command, AND_AND); ;
- break;}
-case 111:
-#line 881 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = command_connect (yyvsp[-3].command, yyvsp[0].command, OR_OR); ;
- break;}
-case 112:
-#line 883 "/Users/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 3198 "y.tab.c"
+ break;
+
+ case 143: /* list1: list1 AND_AND newline_list list1 */
+#line 1169 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = command_connect ((yyvsp[-3].command), (yyvsp[0].command), AND_AND); }
+#line 3204 "y.tab.c"
+ break;
+
+ case 144: /* list1: list1 OR_OR newline_list list1 */
+#line 1171 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = command_connect ((yyvsp[-3].command), (yyvsp[0].command), OR_OR); }
+#line 3210 "y.tab.c"
+ break;
+
+ case 145: /* list1: list1 '&' newline_list list1 */
+#line 1173 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ 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 113:
-#line 890 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = command_connect (yyvsp[-3].command, yyvsp[0].command, ';'); ;
- break;}
-case 114:
-#line 892 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = command_connect (yyvsp[-3].command, yyvsp[0].command, ';'); ;
- break;}
-case 115:
-#line 894 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 118:
-#line 902 "/Users/chet/src/bash/src/parse.y"
-{ yyval.number = '\n'; ;
- break;}
-case 119:
-#line 904 "/Users/chet/src/bash/src/parse.y"
-{ yyval.number = ';'; ;
- break;}
-case 120:
-#line 906 "/Users/chet/src/bash/src/parse.y"
-{ yyval.number = yacc_EOF; ;
- break;}
-case 123:
-#line 920 "/Users/chet/src/bash/src/parse.y"
-{
- yyval.command = yyvsp[0].command;
+ (yyval.command) = command_connect ((yyvsp[-3].command), (yyvsp[0].command), '&');
+ }
+#line 3221 "y.tab.c"
+ break;
+
+ case 146: /* list1: list1 ';' newline_list list1 */
+#line 1180 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = command_connect ((yyvsp[-3].command), (yyvsp[0].command), ';'); }
+#line 3227 "y.tab.c"
+ break;
+
+ case 147: /* list1: list1 '\n' newline_list list1 */
+#line 1182 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ if (parser_state & PST_CMDSUBST)
+ (yyval.command) = command_connect ((yyvsp[-3].command), (yyvsp[0].command), '\n');
+ else
+ (yyval.command) = command_connect ((yyvsp[-3].command), (yyvsp[0].command), ';');
+ }
+#line 3238 "y.tab.c"
+ break;
+
+ case 148: /* list1: pipeline_command */
+#line 1189 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[0].command); }
+#line 3244 "y.tab.c"
+ break;
+
+ case 151: /* list_terminator: '\n' */
+#line 1197 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.number) = '\n'; }
+#line 3250 "y.tab.c"
+ break;
+
+ case 152: /* list_terminator: ';' */
+#line 1199 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.number) = ';'; }
+#line 3256 "y.tab.c"
+ break;
+
+ case 153: /* list_terminator: yacc_EOF */
+#line 1201 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.number) = yacc_EOF; }
+#line 3262 "y.tab.c"
+ break;
+
+ case 156: /* simple_list: simple_list1 */
+#line 1215 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = (yyvsp[0].command);
if (need_here_doc)
- gather_here_documents ();
- ;
- break;}
-case 124:
-#line 926 "/Users/chet/src/bash/src/parse.y"
-{
- if (yyvsp[-1].command->type == cm_connection)
- yyval.command = connect_async_list (yyvsp[-1].command, (COMMAND *)NULL, '&');
+ gather_here_documents (); /* XXX */
+ if ((parser_state & PST_CMDSUBST) && current_token == shell_eof_token)
+ {
+INTERNAL_DEBUG (("LEGACY: parser: command substitution simple_list1 -> simple_list"));
+ global_command = (yyvsp[0].command);
+ eof_encountered = 0;
+ if (bash_input.type == st_string)
+ rewind_input_string ();
+ YYACCEPT;
+ }
+ }
+#line 3281 "y.tab.c"
+ break;
+
+ case 157: /* simple_list: simple_list1 '&' */
+#line 1230 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ 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 125:
-#line 935 "/Users/chet/src/bash/src/parse.y"
-{
- yyval.command = yyvsp[-1].command;
+ gather_here_documents (); /* XXX */
+ if ((parser_state & PST_CMDSUBST) && current_token == shell_eof_token)
+ {
+INTERNAL_DEBUG (("LEGACY: parser: command substitution simple_list1 '&' -> simple_list"));
+ global_command = (yyvsp[-1].command);
+ eof_encountered = 0;
+ if (bash_input.type == st_string)
+ rewind_input_string ();
+ YYACCEPT;
+ }
+ }
+#line 3303 "y.tab.c"
+ break;
+
+ case 158: /* simple_list: simple_list1 ';' */
+#line 1248 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = (yyvsp[-1].command);
if (need_here_doc)
- gather_here_documents ();
- ;
- break;}
-case 126:
-#line 943 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = command_connect (yyvsp[-3].command, yyvsp[0].command, AND_AND); ;
- break;}
-case 127:
-#line 945 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = command_connect (yyvsp[-3].command, yyvsp[0].command, OR_OR); ;
- break;}
-case 128:
-#line 947 "/Users/chet/src/bash/src/parse.y"
-{
- if (yyvsp[-2].command->type == cm_connection)
- yyval.command = connect_async_list (yyvsp[-2].command, yyvsp[0].command, '&');
+ gather_here_documents (); /* XXX */
+ if ((parser_state & PST_CMDSUBST) && current_token == shell_eof_token)
+ {
+INTERNAL_DEBUG (("LEGACY: parser: command substitution simple_list1 ';' -> simple_list"));
+ global_command = (yyvsp[-1].command);
+ eof_encountered = 0;
+ if (bash_input.type == st_string)
+ rewind_input_string ();
+ YYACCEPT;
+ }
+ }
+#line 3322 "y.tab.c"
+ break;
+
+ case 159: /* simple_list1: simple_list1 AND_AND newline_list simple_list1 */
+#line 1265 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = command_connect ((yyvsp[-3].command), (yyvsp[0].command), AND_AND); }
+#line 3328 "y.tab.c"
+ break;
+
+ case 160: /* simple_list1: simple_list1 OR_OR newline_list simple_list1 */
+#line 1267 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = command_connect ((yyvsp[-3].command), (yyvsp[0].command), OR_OR); }
+#line 3334 "y.tab.c"
+ break;
+
+ case 161: /* simple_list1: simple_list1 '&' simple_list1 */
+#line 1269 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ 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 129:
-#line 954 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = command_connect (yyvsp[-2].command, yyvsp[0].command, ';'); ;
- break;}
-case 130:
-#line 957 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 131:
-#line 961 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 132:
-#line 963 "/Users/chet/src/bash/src/parse.y"
-{
- yyvsp[0].command->flags |= CMD_INVERT_RETURN;
- yyval.command = yyvsp[0].command;
- ;
- break;}
-case 133:
-#line 968 "/Users/chet/src/bash/src/parse.y"
-{
- yyvsp[0].command->flags |= yyvsp[-1].number;
- yyval.command = yyvsp[0].command;
- ;
- break;}
-case 134:
-#line 973 "/Users/chet/src/bash/src/parse.y"
-{
- yyvsp[0].command->flags |= yyvsp[-2].number|CMD_INVERT_RETURN;
- yyval.command = yyvsp[0].command;
- ;
- break;}
-case 135:
-#line 978 "/Users/chet/src/bash/src/parse.y"
-{
- yyvsp[0].command->flags |= yyvsp[-1].number|CMD_INVERT_RETURN;
- yyval.command = yyvsp[0].command;
- ;
- break;}
-case 136:
-#line 983 "/Users/chet/src/bash/src/parse.y"
-{
+ (yyval.command) = command_connect ((yyvsp[-2].command), (yyvsp[0].command), '&');
+ }
+#line 3345 "y.tab.c"
+ break;
+
+ case 162: /* simple_list1: simple_list1 ';' simple_list1 */
+#line 1276 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = command_connect ((yyvsp[-2].command), (yyvsp[0].command), ';'); }
+#line 3351 "y.tab.c"
+ break;
+
+ case 163: /* simple_list1: pipeline_command */
+#line 1279 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[0].command); }
+#line 3357 "y.tab.c"
+ break;
+
+ case 164: /* pipeline_command: pipeline */
+#line 1283 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[0].command); }
+#line 3363 "y.tab.c"
+ break;
+
+ case 165: /* pipeline_command: BANG pipeline_command */
+#line 1285 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ if ((yyvsp[0].command))
+ (yyvsp[0].command)->flags ^= CMD_INVERT_RETURN; /* toggle */
+ (yyval.command) = (yyvsp[0].command);
+ }
+#line 3373 "y.tab.c"
+ break;
+
+ case 166: /* pipeline_command: timespec pipeline_command */
+#line 1291 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ if ((yyvsp[0].command))
+ (yyvsp[0].command)->flags |= (yyvsp[-1].number);
+ (yyval.command) = (yyvsp[0].command);
+ }
+#line 3383 "y.tab.c"
+ break;
+
+ case 167: /* pipeline_command: timespec list_terminator */
+#line 1297 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
ELEMENT x;
/* Boy, this is unclean. `time' by itself can
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;
+ (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')
+ if ((yyvsp[0].number) == '\n')
token_to_read = '\n';
- ;
- break;}
-case 137:
-#line 1004 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = command_connect (yyvsp[-3].command, yyvsp[0].command, '|'); ;
- break;}
-case 138:
-#line 1006 "/Users/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 139:
-#line 1010 "/Users/chet/src/bash/src/parse.y"
-{ yyval.number = CMD_TIME_PIPELINE; ;
- break;}
-case 140:
-#line 1012 "/Users/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 543 "/usr/share/bison.simple"
-\f
- yyvsp -= yylen;
- yyssp -= yylen;
-#ifdef YYLSP_NEEDED
- yylsp -= yylen;
-#endif
-
-#if YYDEBUG != 0
- if (yydebug)
- {
- short *ssp1 = yyss - 1;
- fprintf (stderr, "state stack now");
- while (ssp1 != yyssp)
- fprintf (stderr, " %d", *++ssp1);
- fprintf (stderr, "\n");
- }
-#endif
+ else if ((yyvsp[0].number) == ';')
+ token_to_read = ';';
+ parser_state &= ~PST_REDIRLIST; /* make_simple_command sets this */
+ }
+#line 3407 "y.tab.c"
+ break;
+
+ case 168: /* pipeline_command: BANG list_terminator */
+#line 1317 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ ELEMENT x;
- *++yyvsp = yyval;
+ /* 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 3432 "y.tab.c"
+ break;
+
+ case 169: /* pipeline: pipeline '|' newline_list pipeline */
+#line 1340 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = command_connect ((yyvsp[-3].command), (yyvsp[0].command), '|'); }
+#line 3438 "y.tab.c"
+ break;
+
+ case 170: /* pipeline: pipeline BAR_AND newline_list pipeline */
+#line 1342 "/usr/local/src/chet/src/bash/src/parse.y"
+ {
+ /* Make cmd1 |& cmd2 equivalent to cmd1 2>&1 | cmd2 */
+ COMMAND *tc;
+ REDIRECTEE rd, sd;
+ REDIRECT *r;
-#ifdef YYLSP_NEEDED
- yylsp++;
- if (yylen == 0)
- {
- 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
- {
- yylsp->last_line = (yylsp+yylen-1)->last_line;
- yylsp->last_column = (yylsp+yylen-1)->last_column;
+ 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 3465 "y.tab.c"
+ break;
+
+ case 171: /* pipeline: command */
+#line 1365 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[0].command); }
+#line 3471 "y.tab.c"
+ break;
+
+ case 172: /* timespec: TIME */
+#line 1369 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.number) = CMD_TIME_PIPELINE; }
+#line 3477 "y.tab.c"
+ break;
+
+ case 173: /* timespec: TIME TIMEOPT */
+#line 1371 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.number) = CMD_TIME_PIPELINE|CMD_TIME_POSIX; }
+#line 3483 "y.tab.c"
+ break;
+
+ case 174: /* timespec: TIME TIMEIGN */
+#line 1373 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.number) = CMD_TIME_PIPELINE|CMD_TIME_POSIX; }
+#line 3489 "y.tab.c"
+ break;
+
+ case 175: /* timespec: TIME TIMEOPT TIMEIGN */
+#line 1375 "/usr/local/src/chet/src/bash/src/parse.y"
+ { (yyval.number) = CMD_TIME_PIPELINE|CMD_TIME_POSIX; }
+#line 3495 "y.tab.c"
+ break;
+
+
+#line 3499 "y.tab.c"
+
+ default: break;
}
-#endif
-
- /* 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. */
+ /* 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 ("-> $$ =", YY_CAST (yysymbol_kind_t, yyr1[yyn]), &yyval, &yyloc);
+
+ YYPOPSTACK (yylen);
+ yylen = 0;
- yyn = yyr1[yyn];
+ *++yyvsp = yyval;
- yystate = yypgoto[yyn - YYNTBASE] + *yyssp;
- if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
- yystate = yytable[yystate];
- else
- yystate = yydefgoto[yyn - YYNTBASE];
+ /* 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. */
+ {
+ const int yylhs = yyr1[yyn] - YYNTOKENS;
+ const int yyi = yypgoto[yylhs] + *yyssp;
+ yystate = (0 <= yyi && yyi <= YYLAST && yycheck[yyi] == *yyssp
+ ? yytable[yyi]
+ : yydefgoto[yylhs]);
+ }
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 ? YYSYMBOL_YYEMPTY : YYTRANSLATE (yychar);
+ /* If not already recovering from an error, report this error. */
+ if (!yyerrstatus)
{
++yynerrs;
+ yyerror (YY_("syntax error"));
+ }
-#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 (yyerrstatus == 3)
+ {
+ /* If just tried and failed to reuse lookahead token after an
+ error, discard it. */
- 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 (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;
+/*---------------------------------------------------.
+| yyerrorlab -- error raised explicitly by YYERROR. |
+`---------------------------------------------------*/
+yyerrorlab:
+ /* Pacify compilers when the user code never invokes YYERROR and the
+ label yyerrorlab therefore never appears in user code. */
+ if (0)
+ YYERROR;
+ ++yynerrs;
+
+ /* 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;
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]);
-#endif
- yychar = YYEMPTY;
- }
+/*-------------------------------------------------------------.
+| yyerrlab1 -- common code for both syntax error and YYERROR. |
+`-------------------------------------------------------------*/
+yyerrlab1:
+ yyerrstatus = 3; /* Each real token shifted decrements this. */
- /* Else will try to reuse lookahead token
- after shifting the error token. */
+ /* Pop stack until we find a state that shifts the error token. */
+ for (;;)
+ {
+ yyn = yypact[yystate];
+ if (!yypact_value_is_default (yyn))
+ {
+ yyn += YYSYMBOL_YYerror;
+ if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYSYMBOL_YYerror)
+ {
+ yyn = yytable[yyn];
+ if (0 < yyn)
+ break;
+ }
+ }
- yyerrstatus = 3; /* Each real token shifted decrements this */
+ /* Pop the current state because it cannot handle the error token. */
+ if (yyssp == yyss)
+ YYABORT;
- goto yyerrhandle;
-yyerrdefault: /* current state does not do anything special for the error token. */
+ yydestruct ("Error: popping",
+ YY_ACCESSING_SYMBOL (yystate), yyvsp);
+ YYPOPSTACK (1);
+ yystate = *yyssp;
+ YY_STACK_PRINT (yyss, yyssp);
+ }
-#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
+ YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+ *++yyvsp = yylval;
+ YY_IGNORE_MAYBE_UNINITIALIZED_END
-yyerrpop: /* pop the current state because it cannot handle the error token */
- if (yyssp == yyss) YYABORT;
- yyvsp--;
- yystate = *--yyssp;
-#ifdef YYLSP_NEEDED
- yylsp--;
-#endif
+ /* Shift the error token. */
+ YY_SYMBOL_PRINT ("Shifting", YY_ACCESSING_SYMBOL (yyn), yyvsp, yylsp);
-#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");
- }
-#endif
+ yystate = yyn;
+ goto yynewstate;
-yyerrhandle:
- yyn = yypact[yystate];
- if (yyn == YYFLAG)
- goto yyerrdefault;
+/*-------------------------------------.
+| yyacceptlab -- YYACCEPT comes here. |
+`-------------------------------------*/
+yyacceptlab:
+ yyresult = 0;
+ goto yyreturnlab;
- yyn += YYTERROR;
- if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR)
- goto yyerrdefault;
- yyn = yytable[yyn];
- if (yyn < 0)
- {
- if (yyn == YYFLAG)
- goto yyerrpop;
- yyn = -yyn;
- goto yyreduce;
- }
- else if (yyn == 0)
- goto yyerrpop;
+/*-----------------------------------.
+| yyabortlab -- YYABORT comes here. |
+`-----------------------------------*/
+yyabortlab:
+ yyresult = 1;
+ goto yyreturnlab;
- if (yyn == YYFINAL)
- YYACCEPT;
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Shifting error token, ");
-#endif
+/*-----------------------------------------------------------.
+| yyexhaustedlab -- YYNOMEM (memory exhaustion) comes here. |
+`-----------------------------------------------------------*/
+yyexhaustedlab:
+ yyerror (YY_("memory exhausted"));
+ yyresult = 2;
+ goto yyreturnlab;
- *++yyvsp = yylval;
-#ifdef YYLSP_NEEDED
- *++yylsp = yylloc;
-#endif
- yystate = yyn;
- goto yynewstate;
-
- yyacceptlab:
- /* YYACCEPT comes here. */
- if (yyfree_stacks)
+/*----------------------------------------------------------.
+| yyreturnlab -- parsing is finished, clean up and return. |
+`----------------------------------------------------------*/
+yyreturnlab:
+ if (yychar != YYEMPTY)
{
- free (yyss);
- free (yyvs);
-#ifdef YYLSP_NEEDED
- free (yyls);
-#endif
+ /* 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);
}
- return 0;
-
- yyabortlab:
- /* YYABORT comes here. */
- if (yyfree_stacks)
+ /* 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)
{
- free (yyss);
- free (yyvs);
-#ifdef YYLSP_NEEDED
- free (yyls);
-#endif
+ yydestruct ("Cleanup: popping",
+ YY_ACCESSING_SYMBOL (+*yyssp), yyvsp);
+ YYPOPSTACK (1);
}
- return 1;
+#ifndef yyoverflow
+ if (yyss != yyssa)
+ YYSTACK_FREE (yyss);
+#endif
+
+ return yyresult;
}
-#line 1014 "/Users/chet/src/bash/src/parse.y"
-
-
-/* Possible states for the parser that require it to do special things. */
-#define PST_CASEPAT 0x0001 /* in a case pattern list */
-#define PST_ALEXPNEXT 0x0002 /* expand next word for aliases */
-#define PST_ALLOWOPNBRC 0x0004 /* allow open brace for function def */
-#define PST_NEEDCLOSBRC 0x0008 /* need close brace */
-#define PST_DBLPAREN 0x0010 /* double-paren parsing */
-#define PST_SUBSHELL 0x0020 /* ( ... ) subshell */
-#define PST_CMDSUBST 0x0040 /* $( ... ) command substitution */
-#define PST_CASESTMT 0x0080 /* parsing a case statement */
-#define PST_CONDCMD 0x0100 /* parsing a [[...]] command */
-#define PST_CONDEXPR 0x0200 /* parsing the guts of [[...]] */
-#define PST_ARITHFOR 0x0400 /* parsing an arithmetic for command */
-#define PST_ALEXPAND 0x0800 /* OK to expand aliases - unused */
-#define PST_CMDTOKEN 0x1000 /* command token OK - unused */
-#define PST_COMPASSIGN 0x2000 /* parsing x=(...) compound assignment */
+
+#line 1377 "/usr/local/src/chet/src/bash/src/parse.y"
+
/* 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
-/* Should we call prompt_again? */
-#define SHOULD_PROMPT() \
- (interactive && (bash_input.type == st_stdin || bash_input.type == st_stream))
-
-#if defined (ALIAS)
-# define expanding_alias() (pushed_string_list && pushed_string_list->expander)
-#else
-# define expanding_alias() 0
-#endif
-
-/* 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;
+/* 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;
{
#if YYDEBUG != 0
yydebug = i;
+ yyoutstream = stdout;
+ yyerrstream = stderr;
#endif
}
#endif
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)
give_terminal_to (shell_pgrp, 0);
#endif /* JOB_CONTROL */
- old_sigint = (SigHandler *)NULL;
+ old_sigint = IMPOSSIBLE_TRAP_HANDLER;
if (signal_is_ignored (SIGINT) == 0)
{
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 : "");
- if (signal_is_ignored (SIGINT) == 0 && old_sigint)
+ CHECK_TERMSIG;
+ if (signal_is_ignored (SIGINT) == 0)
{
- interrupt_immediately--;
- set_signal_handler (SIGINT, old_sigint);
+ if (old_sigint != IMPOSSIBLE_TRAP_HANDLER)
+ set_signal_handler (SIGINT, old_sigint);
}
#if 0
}
}
+/* Will we be collecting another input line and printing a prompt? This uses
+ different conditions than SHOULD_PROMPT(), since readline allows a user to
+ embed a newline in the middle of the line it collects, which the parser
+ will interpret as a line break and command delimiter. */
+int
+parser_will_prompt ()
+{
+ return (current_readline_line == 0 || current_readline_line[current_readline_line_index] == 0);
+}
+
#else /* !READLINE */
void
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. */
+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. */
/* These two functions used to test the value of the HAVE_RESTARTABLE_SYSCALLS
define, and just use getc/ungetc if it was defined, but since bash
- installs its signal handlers without the SA_RESTART flag, some signals
- (like SIGCHLD, SIGWINCH, etc.) received during a read(2) will not cause
- the read to be restarted. We need to restart it ourselves. */
+ installs most of its signal handlers without the SA_RESTART flag, some
+ signals received during a read(2) will not cause the read to be restarted.
+ We will need to restart it ourselves. */
static int
yy_stream_get ()
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);
}
/* 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;
{
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];
}
/*
* everything between a `;;' and the next `)' or `esac'
*/
-#if defined (ALIAS) || defined (DPAREN_ARITHMETIC)
-
#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
+#define PSH_ARRAY 0x08
+
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, saved_line_len;
+ int saved_line_terminator;
+ int flags;
} STRING_SAVER;
STRING_SAVER *pushed_string_list = (STRING_SAVER *)NULL;
temp->expand_alias = expand;
temp->saved_line = shell_input_line;
temp->saved_line_size = shell_input_line_size;
+ temp->saved_line_len = shell_input_line_len;
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 = shell_input_line_len = STRLEN (s);
shell_input_line_index = 0;
shell_input_line_terminator = '\0';
#if 0
shell_input_line = pushed_string_list->saved_line;
shell_input_line_index = pushed_string_list->saved_line_index;
shell_input_line_size = pushed_string_list->saved_line_size;
+ shell_input_line_len = pushed_string_list->saved_line_len;
shell_input_line_terminator = pushed_string_list->saved_line_terminator;
+#if defined (ALIAS)
if (pushed_string_list->expand_alias)
parser_state |= PST_ALEXPNEXT;
else
parser_state &= ~PST_ALEXPNEXT;
+#endif
t = pushed_string_list;
pushed_string_list = pushed_string_list->next;
pushed_string_list = (STRING_SAVER *)NULL;
}
-#endif /* ALIAS || DPAREN_ARITHMETIC */
-
void
free_pushed_string_input ()
{
#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 (no_line_editing && 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)
- {
-#if 0
- internal_warning ("read_a_line: ignored null byte in input");
-#endif
- continue;
- }
+ 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
}
else if (c == '\\' && remove_quoted_newline)
{
+ QUIT;
peekc = yy_getc ();
if (peekc == '\n')
{
}
}
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')
{
read_secondary_line (remove_quoted_newline)
int remove_quoted_newline;
{
+ char *ret;
+ int n, c;
+
prompt_string_pointer = &ps2_prompt;
- if (SHOULD_PROMPT())
- prompt_again ();
- return (read_a_line (remove_quoted_newline));
+ if (SHOULD_PROMPT ())
+ prompt_again (0);
+ 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;
}
/* **************************************************************** */
#if defined (COND_COMMAND)
{ "[[", 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 },
{ "<&", 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 */
{ ">", '>' },
shell_ungetc when we're at the start of a line. */
static int eol_ungetc_lookahead = 0;
+static int unquoted_backslash = 0;
+
static int
shell_getc (remove_quoted_newline)
int remove_quoted_newline;
{
register int i;
- int c;
+ int c, truncating, last_was_backslash;
unsigned char uc;
- static int mustpop = 0;
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;
{
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
+ /* If the shell is interactive, 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 (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;
}
- RESIZE_MALLOCED_BUFFER (shell_input_line, i, 2, shell_input_line_size, 256);
+ /* 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;
{
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
else
{
char *hdcs;
- hdcs = history_delimiting_chars ();
+ hdcs = history_delimiting_chars (shell_input_line);
if (hdcs && hdcs[0] == ';')
maybe_add_history (shell_input_line);
}
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;
if (SHOULD_PROMPT ())
- prompt_again ();
+ prompt_again (0);
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)
+ 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 ();
+#if defined (HANDLE_MULTIBYTE)
+ /* This is kind of an abstraction violation, but there's no need to
+ go through the entire shell_input_line again with a call to
+ set_line_mbstate(). */
+ EXTEND_SHELL_INPUT_LINE_PROPERTY();
+ shell_input_line_property[shell_input_line_len] = 1;
+#endif
}
}
+next_alias_char:
+ if (shell_input_line_index == 0)
+ unquoted_backslash = 0;
+
uc = shell_input_line[shell_input_line_index];
if (uc)
- shell_input_line_index++;
-
- if MBTEST(uc == '\\' && remove_quoted_newline && shell_input_line[shell_input_line_index] == '\n')
{
- if (SHOULD_PROMPT ())
- prompt_again ();
- line_number++;
- goto restart_read;
+ unquoted_backslash = unquoted_backslash == 0 && uc == '\\';
+ shell_input_line_index++;
}
#if defined (ALIAS) || defined (DPAREN_ARITHMETIC)
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 (!uc && (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' &&
+ unquoted_backslash == 0 &&
+ shellmeta (shell_input_line[shell_input_line_index-1]) == 0 &&
+ (current_delimiter (dstack) != '\'' && current_delimiter (dstack) != '"'))
+ {
+ parser_state |= PST_ENDALIAS;
+ /* We need to do this to make sure last_shell_getc_is_singlebyte returns
+ true, since we are returning a single-byte space. */
+ if (shell_input_line_index == shell_input_line_len && last_shell_getc_is_singlebyte == 0)
+ {
+#if 0
+ EXTEND_SHELL_INPUT_LINE_PROPERTY();
+ shell_input_line_property[shell_input_line_len++] = 1;
+ /* extend shell_input_line to accommodate the shell_ungetc that
+ read_token_word() will perform, since we're extending the index */
+ RESIZE_MALLOCED_BUFFER (shell_input_line, shell_input_line_index, 2, shell_input_line_size, 16);
+ shell_input_line[++shell_input_line_index] = '\0'; /* XXX */
+#else
+ shell_input_line_property[shell_input_line_index - 1] = 1;
+#endif
+ }
+ return ' '; /* END_ALIAS */
+ }
+#endif
+
+pop_alias:
+#endif /* ALIAS || DPAREN_ARITHMETIC */
+ /* This case works for PSH_DPAREN as well as the shell_ungets() case that uses
+ push_string */
+ 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 (!uc && shell_input_line_terminator == EOF)
+ if MBTEST(uc == '\\' && remove_quoted_newline && shell_input_line[shell_input_line_index] == '\n')
+ {
+ if (SHOULD_PROMPT ())
+ prompt_again (0);
+ 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);
+#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);
}
eol_ungetc_lookahead = c;
}
+/* Push S back into shell_input_line; updating shell_input_line_index */
+void
+shell_ungets (s)
+ char *s;
+{
+ size_t slen, chars_left;
+
+ slen = strlen (s);
+
+ if (shell_input_line[shell_input_line_index] == '\0')
+ {
+ /* Easy, just overwrite shell_input_line. This is preferred because it
+ saves on set_line_mbstate () and other overhead like push_string */
+ if (shell_input_line_size <= slen)
+ RESIZE_MALLOCED_BUFFER (shell_input_line, shell_input_line_index, slen + 1, shell_input_line_size, 64);
+ strcpy (shell_input_line, s);
+ shell_input_line_index = 0;
+ shell_input_line_len = slen;
+ shell_input_line_terminator = 0;
+ }
+ else if (shell_input_line_index >= slen)
+ {
+ /* Just as easy, just back up shell_input_line_index, but it means we
+ will re-process some characters in set_line_mbstate(). Need to
+ watch pushing back newlines here. */
+ while (slen > 0)
+ shell_input_line[--shell_input_line_index] = s[--slen];
+ }
+ else if (s[slen - 1] == '\n')
+ {
+ push_string (savestring (s), 0, (alias_t *)NULL);
+ /* push_string does set_line_mbstate () */
+ return;
+ }
+ else
+ {
+ /* Harder case: pushing back input string that's longer than what we've
+ consumed from shell_input_line so far. */
+ INTERNAL_DEBUG (("shell_ungets: not at end of shell_input_line"));
+
+ chars_left = shell_input_line_len - shell_input_line_index;
+ if (shell_input_line_size <= (slen + chars_left))
+ RESIZE_MALLOCED_BUFFER (shell_input_line, shell_input_line_index, chars_left + slen + 1, shell_input_line_size, 64);
+ memmove (shell_input_line + slen, shell_input_line + shell_input_line_index, shell_input_line_len - shell_input_line_index);
+ strcpy (shell_input_line, s);
+ shell_input_line_index = 0;
+ shell_input_line_len = strlen (shell_input_line); /* chars_left + slen? */
+ }
+
+#if defined (HANDLE_MULTIBYTE)
+ set_line_mbstate (); /* XXX */
+#endif
+}
+
+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
}
void
-execute_prompt_command (command)
- char *command;
+execute_variable_command (command, vname)
+ char *command, *vname;
{
char *last_lastarg;
sh_parser_state_t ps;
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|SEVAL_NOOPTIMIZE);
restore_parser_state (&ps);
- bind_variable ("_", last_lastarg);
+ 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;
/* Current size of the token buffer. */
-static int token_buffer_size;
+static size_t token_buffer_size;
/* Command to read_token () explaining what we want it to do. */
#define READ 0
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 && SHOULD_PROMPT ())
- prompt_again ();
+ prompt_again (0);
}
two_tokens_ago = token_before_that;
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)
+ {
+ /* placeholder for any special handling. */
+ return (current_token);
+ }
+
+ if (current_token < 0)
+#if defined (YYERRCODE) && !defined (YYUNDEF)
+ current_token = EOF_Reached ? YYEOF : YYERRCODE;
+#else
+ current_token = EOF_Reached ? YYEOF : YYUNDEF;
+#endif
+
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)))
+/* 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))
break; \
if (word_token_alist[i].token == TIME && time_command_acceptable () == 0) \
break; \
- if (word_token_alist[i].token == ESAC) \
+ if ((parser_state & PST_CASEPAT) && last_read_token == '|' && word_token_alist[i].token == ESAC) \
+ break; /* Posix grammar rule 4 */ \
+ if ((parser_state & PST_CASEPAT) && last_read_token == '(' && word_token_alist[i].token == ESAC) /*)*/ \
+ break; /* phantom 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) \
+ esacs_needed_count--; \
+ } else if (word_token_alist[i].token == CASE) \
parser_state |= PST_CASESTMT; \
else if (word_token_alist[i].token == COND_END) \
parser_state &= ~(PST_CONDCMD|PST_CONDEXPR); \
l = strlen (s);
r = xmalloc (l + 2);
strcpy (r, s);
- if (r[l -1] != ' ')
+#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;
}
char *expanded;
alias_t *ap;
+#if 0
if (((parser_state & PST_ALEXPNEXT) || command_token_position (last_read_token)) &&
(parser_state & PST_CASEPAT) == 0)
+#else
+ if ((parser_state & PST_ALEXPNEXT) || assignment_acceptable (last_read_token))
+#endif
{
ap = find_alias (tokstr);
if (ap && (ap->flags & AL_BEINGEXPANDED))
return (NO_EXPANSION);
+#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. 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. */
+ 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)
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 ')': /* only valid in case statement */
+ case BANG: /* ! time pipeline */
+ case TIME: /* time time pipeline */
+ case TIMEOPT: /* time -p time pipeline */
+ case TIMEIGN: /* time -p -- ... */
+ case DOLPAREN:
return 1;
default:
return 0;
`}' 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 TIME or TIMEOPT.
']]' is returned as COND_END if the parser is currently parsing
a conditional expression ((parser_state & PST_CONDEXPR) != 0)
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)) &&
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) &&
(token_before_that == FOR) &&
#endif
(tokstr[0] == 'd' && tokstr[1] == 'o' && tokstr[2] == '\0'))
- return (DO);
+ {
+ 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 (tokstr, "esac"))
+ if (last_read_token == IN && STREQ (tokstr, "esac"))
{
+ esacs_needed_count--;
parser_state &= ~PST_CASEPAT;
return (ESAC);
}
/* Handle -p after `time'. */
if (last_read_token == TIME && tokstr[0] == '-' && tokstr[1] == 'p' && !tokstr[2])
return (TIMEOPT);
-#endif
-
-#if 0
-#if defined (COMMAND_TIMING)
- if (STREQ (token, "time") && ((parser_state & PST_CASEPAT) == 0) && time_command_acceptable ())
- return (TIME);
-#endif /* COMMAND_TIMING */
+ /* Handle -- after `time'. */
+ if (last_read_token == TIME && tokstr[0] == '-' && tokstr[1] == '-' && !tokstr[2])
+ return (TIMEIGN);
+ /* Handle -- after `time -p'. */
+ if (last_read_token == TIMEOPT && tokstr[0] == '-' && tokstr[1] == '-' && !tokstr[2])
+ return (TIMEIGN);
#endif
#if defined (COND_COMMAND) /* [[ */
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|PST_CMDSUBST))
+ extended_glob = extglob_flag;
+#endif
+ if (parser_state & (PST_CMDSUBST|PST_STRING))
+ expand_aliases = expaliases_flag;
+
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;
+
+ /* added post-bash-5.1 */
+ need_here_doc = 0;
+ redir_stack[0] = 0;
+ esacs_needed_count = expecting_in_token = 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
#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 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)
+ {
+ INTERNAL_DEBUG (("shell_getc: bash_input.location.string = `%s'", bash_input.location.string));
+ 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. */
}
- if (character == '\n')
+ if MBTEST(character == '\n')
{
/* If we're about to return an unquoted newline, we can go and collect
the text of any pending here document. */
parser_state &= ~PST_ALEXPNEXT;
#endif /* ALIAS */
+ parser_state &= ~PST_ASSIGNOK;
+
return (character);
}
+ if (parser_state & PST_REGEXP)
+ goto tokword;
+
/* Shell meta-characters. */
- if MBTEST(shellmeta (character) && ((parser_state & PST_DBLPAREN) == 0))
+ if MBTEST(shellmeta (character))
{
#if defined (ALIAS)
/* Turn off alias tokenization iff this character sequence would
parser_state &= ~PST_ALEXPNEXT;
#endif /* ALIAS */
- peek_char = shell_getc (1);
- if (character == peek_char)
+ 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 MBTEST(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 (peek_char == '<')
+ else if MBTEST(peek_char == '<')
return (LESS_LESS_LESS);
else
{
#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);
return (LESS_GREATER);
else if MBTEST(character == '>' && peek_char == '|')
return (GREATER_BAR);
- else if MBTEST(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 defined (PROCESS_SUBSTITUTION)
/* Check for the constructs which introduce process substitution.
Shells running in `posix mode' don't do process substitution. */
- if MBTEST(posixly_correct || ((character != '>' && character != '<') || peek_char != '(')) /*)*/
+ if MBTEST((character != '>' && character != '<') || peek_char != '(') /*)*/
#endif /* PROCESS_SUBSTITUTION */
return (character);
}
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);
/*
* 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 (unless the
- * P_NONL flag is passed), and returning correct error values if it reads
- * EOF.
+ * reprompting the user, if necessary, after reading a newline, and returning
+ * correct error values if it reads EOF.
*/
-#define P_FIRSTCLOSE 0x01
-#define P_ALLOWESC 0x02
-#define P_DQUOTE 0x04
+#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 */
+#define P_ARITH 0x0080 /* parsing a $(( )) arithmetic expansion */
+
+/* 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 LEX_CKESAC 0x2000 /* check esac after in -- for later */
+#define LEX_CASEWD 0x4000 /* word after case */
+#define LEX_PATLIST 0x8000 /* case statement pattern list */
+
+#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 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, ttranslen, start_lineno;
+ 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);
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);
EOF_Reached = 1; /* XXX */
+ parser_state |= PST_NOERROR; /* avoid redundant error message */
return (&matched_pair_error);
}
/* Possible reprompting. */
- if (ch == '\n' && SHOULD_PROMPT ())
- prompt_again ();
+ if MBTEST(ch == '\n' && SHOULD_PROMPT ())
+ prompt_again (0);
- 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;
- if (qc != '\'' && ch == '\n') /* double-quoted \<newline> disappears. */
+ /* Add this character. */
+ RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64);
+ ret[retind++] = ch;
+
+ if MBTEST(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;
+ /* XXX - PST_NOEXPAND? */
+ if MBTEST(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 MBTEST(ch == CTLESC || ch == CTLNUL)
+ if MBTEST(ch == CTLESC)
ret[retind++] = CTLESC;
ret[retind++] = ch;
continue;
}
+ /* 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);
}
else if MBTEST(ch == close) /* ending delimiter */
count--;
-#if 1
/* handle nested ${...} specially. */
- else if MBTEST(open != close && was_dollar && open == '{' && ch == open) /* } */
+ else if MBTEST(open != close && (tflags & LEX_WASDOL) && open == '{' && ch == open) /* } */
count++;
-#endif
else if MBTEST(((flags & P_FIRSTCLOSE) == 0) && ch == open) /* nested begin */
count++;
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 MBTEST((flags & P_ALLOWESC) && ch == '\\')
- pass_next_character++;
+ tflags |= LEX_PASSNEXT;
continue;
}
if MBTEST(ch == '\\') /* backslashes */
- pass_next_character++;
+ 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 MBTEST(shellquote (ch))
{
/* '', ``, or "" inside $(...) or other grouping construct. */
push_delimiter (dstack, ch);
- if MBTEST(was_dollar && ch == '\'') /* $'...' inside group */
+ 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);
- if (nestret == &matched_pair_error)
- {
- free (ret);
- return &matched_pair_error;
- }
- if MBTEST(was_dollar && ch == '\'' && (extended_quote || (rflags & P_DQUOTE) == 0))
+ CHECK_NESTRET_ERROR ();
+
+ if MBTEST((tflags & LEX_WASDOL) && ch == '\'' && (extended_quote || (rflags & P_DQUOTE) == 0 || dolbrace_state == DOLBRACE_QUOTE || dolbrace_state == DOLBRACE_QUOTE2))
{
/* Translate $'...' here. */
+ /* PST_NOEXPAND */
ttrans = ansiexpand (nestret, 0, nestlen - 1, &ttranslen);
- xfree (nestret);
- nestret = sh_single_quote (ttrans);
- free (ttrans);
- nestlen = strlen (nestret);
+ 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 || dolbrace_state == DOLBRACE_QUOTE) && (flags & P_DOLBRACE))
+ {
+ nestret = sh_single_quote (ttrans);
+ free (ttrans);
+ nestlen = strlen (nestret);
+ }
+#if 0 /* TAG:bash-5.3 */
+ /* This single-quotes PARAM in ${PARAM OP WORD} when PARAM
+ contains a $'...' even when extended_quote is set. */
+ else if ((rflags & P_DQUOTE) && (dolbrace_state == DOLBRACE_PARAM) && (flags & P_DOLBRACE))
+ {
+ nestret = sh_single_quote (ttrans);
+ free (ttrans);
+ nestlen = strlen (nestret);
+ }
+#endif
+ else if ((rflags & P_DQUOTE) == 0)
+ {
+ nestret = sh_single_quote (ttrans);
+ free (ttrans);
+ nestlen = strlen (nestret);
+ }
+ else
+ {
+ /* Should we quote CTLESC here? */
+ nestret = ttrans;
+ nestlen = ttranslen;
+ }
retind -= 2; /* back up before the $' */
}
- else if MBTEST(was_dollar && ch == '"' && (extended_quote || (rflags & P_DQUOTE) == 0))
+#if defined (TRANSLATABLE_STRINGS)
+ 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);
- xfree (nestret);
- nestret = (char *)xmalloc (ttranslen + 3);
- nestret[0] = '"';
- strcpy (nestret + 1, ttrans);
- nestret[ttranslen + 1] = '"';
- nestret[ttranslen += 2] = '\0';
+ /* PST_NOEXPAND */
+ ttrans = locale_expand (nestret, 0, nestlen - 1, start_lineno, &ttranslen);
+ free (nestret);
+
+ /* If we're supposed to single-quote translated strings,
+ check whether the translated result is different from
+ the original and single-quote the string if it is. */
+ if (singlequote_translations &&
+ ((nestlen - 1) != ttranslen || STREQN (nestret, ttrans, ttranslen) == 0))
+ {
+ if ((rflags & P_DQUOTE) == 0)
+ nestret = sh_single_quote (ttrans);
+ else if ((rflags & P_DQUOTE) && (dolbrace_state == DOLBRACE_QUOTE2) && (flags & P_DOLBRACE))
+ nestret = sh_single_quote (ttrans);
+ else
+ /* single quotes aren't special, use backslash instead */
+ nestret = sh_backslash_quote_for_double_quotes (ttrans, 0);
+ }
+ else
+ nestret = sh_mkdoublequoted (ttrans, ttranslen, 0);
free (ttrans);
- nestlen = ttranslen;
+ nestlen = strlen (nestret);
retind -= 2; /* back up before the $" */
}
+#endif /* TRANSLATABLE_STRINGS */
- if (nestlen)
- {
- RESIZE_MALLOCED_BUFFER (ret, retind, nestlen, retsize, 64);
- strcpy (ret + retind, nestret);
- retind += nestlen;
- }
+ APPEND_NESTRET ();
FREE (nestret);
}
+ else if ((flags & (P_ARRAYSUB|P_DOLBRACE)) && (tflags & LEX_WASDOL) && (ch == '(' || ch == '{' || ch == '[')) /* ) } ] */
+ goto parse_dollar_word;
+ else if ((flags & P_ARITH) && (tflags & LEX_WASDOL) && ch == '(') /*)*/
+ /* $() inside $(( ))/$[ ] */
+ 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. */
else if MBTEST(open == '"' && ch == '`')
{
nestret = parse_matched_pair (0, '`', '`', &nestlen, rflags);
- 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;
- }
+
+ CHECK_NESTRET_ERROR ();
+ APPEND_NESTRET ();
+
FREE (nestret);
}
- else if MBTEST(was_dollar && (ch == '(' || ch == '{' || ch == '[')) /* ) } ] */
+ else if MBTEST(open != '`' && (tflags & LEX_WASDOL) && (ch == '(' || ch == '{' || ch == '[')) /* ) } ] */
/* check for $(), $[], or ${} inside quoted string. */
{
+parse_dollar_word:
if (open == ch) /* undo previous increment */
count--;
if (ch == '(') /* ) */
- nestret = parse_matched_pair (0, '(', ')', &nestlen, rflags);
+ nestret = parse_comsub (0, '(', ')', &nestlen, (rflags|P_COMMAND) & ~P_DQUOTE);
else if (ch == '{') /* } */
- nestret = parse_matched_pair (0, '{', '}', &nestlen, P_FIRSTCLOSE|rflags);
+ nestret = parse_matched_pair (0, '{', '}', &nestlen, P_FIRSTCLOSE|P_DOLBRACE|rflags);
else if (ch == '[') /* ] */
- nestret = parse_matched_pair (0, '[', ']', &nestlen, rflags);
- if (nestret == &matched_pair_error)
- {
- free (ret);
- return &matched_pair_error;
- }
- if (nestlen)
- {
- RESIZE_MALLOCED_BUFFER (ret, retind, nestlen, retsize, 64);
- strcpy (ret + retind, nestret);
- retind += nestlen;
- }
+ nestret = parse_matched_pair (0, '[', ']', &nestlen, rflags|P_ARITH);
+
+ CHECK_NESTRET_ERROR ();
+ APPEND_NESTRET ();
+
FREE (nestret);
}
- was_dollar = MBTEST(ch == '$');
+#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_CKESAC)
+ {
+ f &= ~LEX_CKESAC;
+ fprintf (stderr, "LEX_CKESAC%s", f ? "|" : "");
+ }
+ if (f & LEX_INCASE)
+ {
+ f &= ~LEX_INCASE;
+ fprintf (stderr, "LEX_INCASE%s", f ? "|" : "");
+ }
+ if (f & LEX_CASEWD)
+ {
+ f &= ~LEX_CASEWD;
+ fprintf (stderr, "LEX_CASEWD%s", f ? "|" : "");
+ }
+ if (f & LEX_PATLIST)
+ {
+ f &= ~LEX_PATLIST;
+ fprintf (stderr, "LEX_PATLIST%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 reads input from the current
+ input stream. */
+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 peekc, r;
+ int start_lineno, local_extglob, was_extpat;
+ char *ret, *tcmd;
+ int retlen;
+ sh_parser_state_t ps;
+ STRING_SAVER *saved_strings;
+ COMMAND *saved_global, *parsed_command;
+
+ /* Posix interp 217 says arithmetic expressions have precedence, so
+ assume $(( introduces arithmetic expansion and parse accordingly. */
+ if (open == '(') /*)*/
+ {
+ peekc = shell_getc (1);
+ shell_ungetc (peekc);
+ if (peekc == '(') /*)*/
+ return (parse_matched_pair (qc, open, close, lenp, P_ARITH));
+ }
+
+/*itrace("parse_comsub: qc = `%c' open = %c close = %c", qc, open, close);*/
+
+ /*debug_parser(1);*/
+ start_lineno = line_number;
+
+ save_parser_state (&ps);
+
+ was_extpat = (parser_state & PST_EXTPAT);
+
+ /* State flags we don't want to persist into command substitutions. */
+ parser_state &= ~(PST_REGEXP|PST_EXTPAT|PST_CONDCMD|PST_CONDEXPR|PST_COMPASSIGN);
+ /* Could do PST_CASESTMT too, but that also affects history. Setting
+ expecting_in_token below should take care of the parsing requirements.
+ Unsetting PST_REDIRLIST isn't strictly necessary because of how we set
+ token_to_read below, but we do it anyway. */
+ parser_state &= ~(PST_CASEPAT|PST_ALEXPNEXT|PST_SUBSHELL|PST_REDIRLIST);
+ /* State flags we want to set for this run through the parser. */
+ parser_state |= PST_CMDSUBST|PST_EOFTOKEN|PST_NOEXPAND;
+
+ /* leave pushed_string_list alone, since we might need to consume characters
+ from it to satisfy this command substitution (in some perverse case). */
+ shell_eof_token = close;
+
+ saved_global = global_command; /* might not be necessary */
+ global_command = (COMMAND *)NULL;
+
+ /* These are reset by reset_parser() */
+ need_here_doc = 0;
+ esacs_needed_count = expecting_in_token = 0;
+
+ /* We want to expand aliases on this pass if we're in posix mode, since the
+ standard says you have to take aliases into account when looking for the
+ terminating right paren. Otherwise, we defer until execution time for
+ backwards compatibility. */
+ if (expand_aliases)
+ expand_aliases = posixly_correct != 0;
+#if defined (EXTENDED_GLOB)
+ /* If (parser_state & PST_EXTPAT), we're parsing an extended pattern for a
+ conditional command and have already set extended_glob appropriately. */
+ if (shell_compatibility_level <= 51 && was_extpat == 0)
+ {
+ local_extglob = extended_glob;
+ extended_glob = 1;
+ }
+#endif
+
+ current_token = '\n'; /* XXX */
+ token_to_read = DOLPAREN; /* let's trick the parser */
+
+ r = yyparse ();
+
+ if (need_here_doc > 0)
+ {
+ internal_warning ("command substitution: %d unterminated here-document%s", need_here_doc, (need_here_doc == 1) ? "" : "s");
+ gather_here_documents (); /* XXX check compatibility level? */
+ }
+
+#if defined (EXTENDED_GLOB)
+ if (shell_compatibility_level <= 51 && was_extpat == 0)
+ extended_glob = local_extglob;
+#endif
+
+ parsed_command = global_command;
+
+ if (EOF_Reached)
+ {
+ shell_eof_token = ps.eof_token;
+ expand_aliases = ps.expand_aliases;
+
+ /* yyparse() has already called yyerror() and reset_parser() */
+ parser_state |= PST_NOERROR;
+ return (&matched_pair_error);
+ }
+ else if (r != 0)
+ {
+ /* parser_error (start_lineno, _("could not parse command substitution")); */
+ /* Non-interactive shells exit on parse error in a command substitution. */
+ if (last_command_exit_value == 0)
+ last_command_exit_value = EXECUTION_FAILURE;
+ set_exit_status (last_command_exit_value);
+ if (interactive_shell == 0)
+ jump_to_top_level (FORCE_EOF); /* This is like reader_loop() */
+ else
+ {
+ shell_eof_token = ps.eof_token;
+ expand_aliases = ps.expand_aliases;
+
+ jump_to_top_level (DISCARD); /* XXX - return (&matched_pair_error)? */
+ }
+ }
+
+ if (current_token != shell_eof_token)
+ {
+INTERNAL_DEBUG(("current_token (%d) != shell_eof_token (%c)", current_token, shell_eof_token));
+ token_to_read = current_token;
+
+ /* If we get here we can check eof_encountered and if it's 1 but the
+ previous EOF_Reached test didn't succeed, we can assume that the shell
+ is interactive and ignoreeof is set. We might want to restore the
+ parser state in this case. */
+ shell_eof_token = ps.eof_token;
+ expand_aliases = ps.expand_aliases;
+
+ return (&matched_pair_error);
+ }
+
+ /* We don't want to restore the old pushed string list, since we might have
+ used it to consume additional input from an alias while parsing this
+ command substitution. */
+ saved_strings = pushed_string_list;
+ restore_parser_state (&ps);
+ pushed_string_list = saved_strings;
+
+ tcmd = print_comsub (parsed_command); /* returns static memory */
+ retlen = strlen (tcmd);
+ if (tcmd[0] == '(') /* ) need a space to prevent arithmetic expansion */
+ retlen++;
+ ret = xmalloc (retlen + 2);
+ if (tcmd[0] == '(') /* ) */
+ {
+ ret[0] = ' ';
+ strcpy (ret + 1, tcmd);
+ }
+ else
+ strcpy (ret, tcmd);
+ ret[retlen++] = ')';
+ ret[retlen] = '\0';
+
+ dispose_command (parsed_command);
+ global_command = saved_global;
+
+ if (lenp)
+ *lenp = retlen;
+
+/*itrace("parse_comsub:%d: returning `%s'", line_number, ret);*/
+ return ret;
+}
+
+/* Recursively call the parser to parse a $(...) command substitution. This is
+ called by the word expansion code and so does not have to reset as much
+ parser state before calling yyparse(). */
+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, start_lineno, local_extglob;
+ char *ret, *ep, *ostring;
+
+/*debug_parser(1);*/
+ orig_ind = *indp;
+ ostring = string;
+ start_lineno = line_number;
+
+ 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' string=`%s'", shell_input_line_size, shell_input_line, string);*/
+
+ sflags = SEVAL_NONINT|SEVAL_NOHIST|SEVAL_NOFREE;
+ if (flags & SX_NOLONGJMP)
+ sflags |= SEVAL_NOLONGJMP;
+
+ save_parser_state (&ps);
+ save_input_line_state (&ls);
+
+#if defined (ALIAS) || defined (DPAREN_ARITHMETIC)
+ pushed_string_list = (STRING_SAVER *)NULL;
+#endif
+ /*(*/
+ parser_state |= PST_CMDSUBST|PST_EOFTOKEN; /* allow instant ')' */ /*(*/
+ shell_eof_token = ')';
+ if (flags & SX_COMPLETE)
+ parser_state |= PST_NOERROR;
+
+ /* Don't expand aliases on this pass at all. Either parse_comsub() does it
+ at parse time, in which case this string already has aliases expanded,
+ or command_substitute() does it in the child process executing the
+ command substitution and we want to defer it completely until then. The
+ old value will be restored by restore_parser_state(). */
+ expand_aliases = 0;
+#if defined (EXTENDED_GLOB)
+ local_extglob = extended_glob;
+#endif
+
+ token_to_read = DOLPAREN; /* let's trick the parser */
+
+ nc = parse_string (string, "command substitution", sflags, (COMMAND **)NULL, &ep);
+
+ /* Should we save and restore the bison/yacc lookahead token (yychar) here?
+ Or only if it's not YYEMPTY? */
+ if (current_token == shell_eof_token)
+ yyclearin; /* might want to clear lookahead token unconditionally */
+
+ reset_parser (); /* resets extended_glob too */
+ /* reset_parser() clears shell_input_line and associated variables, including
+ parser_state, so we want to reset things, then restore what we need. */
+ restore_input_line_state (&ls);
+ restore_parser_state (&ps);
+
+#if defined (EXTENDED_GLOB)
+ extended_glob = local_extglob;
+#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 */
+ if (bash_input.type != st_string) /* paranoia */
+ parser_state &= ~(PST_CMDSUBST|PST_EOFTOKEN);
+ if ((flags & SX_NOLONGJMP) == 0)
+ jump_to_top_level (-nc); /* XXX */
+ }
+
+ /* Need to find how many characters parse_string() 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 0
+ 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 0
+ 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 (base[*indp] != ')' && (flags & SX_NOLONGJMP) == 0)
+ {
+ /*(*/
+ if ((flags & SX_NOERROR) == 0)
+ parser_error (start_lineno, _("unexpected EOF while looking for matching `%c'"), ')');
+ jump_to_top_level (DISCARD);
+ }
+
+ 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;
+}
+
+/* Recursively call the parser to parse the string from a $(...) command
+ substitution to a COMMAND *. This is called from command_substitute() and
+ has the same parser state constraints as xparse_dolparen(). */
+COMMAND *
+parse_string_to_command (string, flags)
+ char *string;
+ int flags;
+{
+ sh_parser_state_t ps;
+ sh_input_line_state_t ls;
+ int nc, sflags;
+ size_t slen;
+ char *ret, *ep;
+ COMMAND *cmd;
+
+ if (*string == 0)
+ return (COMMAND *)NULL;
+
+ ep = string;
+ slen = STRLEN (string);
+
+/*itrace("parse_string_to_command: size = %d shell_input_line = `%s' string=`%s'", shell_input_line_size, shell_input_line, string);*/
+
+ sflags = SEVAL_NONINT|SEVAL_NOHIST|SEVAL_NOFREE;
+ if (flags & SX_NOLONGJMP)
+ sflags |= SEVAL_NOLONGJMP;
+
+ save_parser_state (&ps);
+ save_input_line_state (&ls);
+
+#if defined (ALIAS) || defined (DPAREN_ARITHMETIC)
+ pushed_string_list = (STRING_SAVER *)NULL;
+#endif
+ if (flags & SX_COMPLETE)
+ parser_state |= PST_NOERROR;
+
+ parser_state |= PST_STRING;
+ expand_aliases = 0;
+
+ cmd = 0;
+ nc = parse_string (string, "command substitution", sflags, &cmd, &ep);
+
+ reset_parser ();
+ /* reset_parser() clears shell_input_line and associated variables, including
+ parser_state, so we want to reset things, then restore what we need. */
+ restore_input_line_state (&ls);
+ restore_parser_state (&ps);
+
+ /* 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 */
+ if ((flags & SX_NOLONGJMP) == 0)
+ jump_to_top_level (-nc); /* XXX */
}
- ret[retind] = '\0';
- if (lenp)
- *lenp = retind;
- return ret;
+ /* Need to check how many characters parse_string() consumed, make sure it's
+ the entire string. */
+ if (nc < slen)
+ {
+ dispose_command (cmd);
+ return (COMMAND *)NULL;
+ }
+
+ return cmd;
}
#if defined (DPAREN_ARITHMETIC) || defined (ARITH_FOR_COMMAND)
parse_dparen (c)
int c;
{
- int cmdtyp, len, sline;
- char *wval, *wv2;
+ int cmdtyp, sline;
+ char *wval;
WORD_DESC *wd;
#if defined (ARITH_FOR_COMMAND)
if (last_read_token == FOR)
{
- arith_for_lineno = line_number;
+ if (word_top < MAX_CASE_NEST)
+ word_top++;
+ arith_for_lineno = word_lineno[word_top] = line_number;
cmdtyp = parse_arith_cmd (&wval, 0);
if (cmdtyp == 1)
{
- wd = make_word (wval);
+ wd = alloc_word_desc ();
+ wd->word = wval;
yylval.word_list = make_word_list (wd, (WORD_LIST *)NULL);
- free (wval);
return (ARITH_FOR_EXPRS);
}
else
if (reserved_word_acceptable (last_read_token))
{
sline = line_number;
-#if 0
- cmdtyp = parse_arith_cmd (&wval, 1);
-#else
+
cmdtyp = parse_arith_cmd (&wval, 0);
-#endif
if (cmdtyp == 1) /* arithmetic command */
{
- wd = make_word (wval);
-#if 0
- wd->flags = W_QUOTED;
-#else
- wd->flags = W_QUOTED|W_NOSPLIT|W_NOGLOB;
-#endif
+ wd = alloc_word_desc ();
+ wd->word = wval;
+ wd->flags = W_QUOTED|W_NOSPLIT|W_NOGLOB|W_NOTILDE|W_NOPROCSUB;
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);
+ pushed_string_list->flags = PSH_DPAREN;
if ((parser_state & PST_CASEPAT) == 0)
parser_state |= PST_SUBSHELL;
return (c);
int ttoklen;
exp_lineno = line_number;
- ttok = parse_matched_pair (0, '(', ')', &ttoklen, 0);
+ ttok = parse_matched_pair (0, '(', ')', &ttoklen, P_ARITH);
rval = 1;
if (ttok == &matched_pair_error)
return -1;
while ((cond_token = read_token (READ)) == '\n')
{
if (SHOULD_PROMPT ())
- prompt_again ();
+ prompt_again (0);
}
return (cond_token);
}
{
WORD_DESC *op;
COND_COM *term, *tleft, *tright;
- int tok, lineno;
+ int tok, lineno, local_extglob;
char *etext;
/* Read a token. It can be a left paren, a `!', a unary operator, or a
dispose_word (yylval.word); /* not needed */
term = cond_term ();
if (term)
- term->flags |= CMD_INVERT_RETURN;
+ 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);
tleft = make_cond_node (COND_TERM, yylval.word, (COND_COM *)NULL, (COND_COM *)NULL);
/* binop */
+ /* tok = cond_skip_newlines (); ? */
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;
+ 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); /* ( */
}
/* rhs */
+#if defined (EXTENDED_GLOB)
+ local_extglob = extended_glob;
+ if (parser_state & PST_EXTPAT)
+ extended_glob = 1;
+#endif
tok = read_token (READ);
+#if defined (EXTENDED_GLOB)
+ if (parser_state & PST_EXTPAT)
+ extended_glob = local_extglob;
+#endif
+ parser_state &= ~(PST_REGEXP|PST_EXTPAT);
+
if (tok == WORD)
{
tright = make_cond_node (COND_TERM, yylval.word, (COND_COM *)NULL, (COND_COM *)NULL);
#if defined (ARRAY_VARS)
/* When this is called, it's guaranteed that we don't care about anything
- in t beyond i. We do save and restore the chars, though. */
+ 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;
{
- unsigned char c, c1;
int r;
+ char *atoken;
- c = t[i]; c1 = t[i+1];
- t[i] = '='; t[i+1] = '\0';
- r = assignment (t, (parser_state & PST_COMPASSIGN) != 0);
- t[i] = c; t[i+1] = c1;
- return r;
+ 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;
/* 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;
token_index = 0;
all_digit_token = DIGIT (character);
- dollar_present = quoted = pass_next_character = 0;
+ 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);
double-quotes, quote some things inside of double-quotes. */
if MBTEST(character == '\\')
{
+ if (parser_state & PST_NOEXPAND)
+ {
+ pass_next_character++;
+ quoted = 1;
+ goto got_character;
+ }
+
peek_char = shell_getc (0);
/* Backslash-newline is ignored in all cases except
when quoted with single quotes. */
- if (peek_char == '\n')
+ if MBTEST(peek_char == '\n')
{
character = '\n';
goto next_character;
shell_ungetc (peek_char);
/* If the next character is to be quoted, note it now. */
- if (cd == 0 || cd == '`' ||
+ if MBTEST(cd == 0 || cd == '`' ||
(cd == '"' && peek_char >= 0 && (sh_syntaxtab[peek_char] & CBSDQUOTE)))
pass_next_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. */
strcpy (token + token_index, ttok);
token_index += ttoklen;
all_digit_token = 0;
- quoted = 1;
+ 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 MBTEST(peek_char == '(') /* ) */
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;
/* If the delimiter character is not single quote, parse some of
the shell expansions that must be read as a single word. */
- if (shellexp (character))
+ if MBTEST(shellexp (character))
{
peek_char = shell_getc (1);
/* $(...), <(...), >(...), $((...)), ${...}, and $[...] constructs */
- if MBTEST(peek_char == '(' || \
+ if MBTEST(peek_char == '(' ||
((peek_char == '{' || peek_char == '[') && character == '$')) /* ) ] } */
{
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);
+ ttok = parse_matched_pair (cd, '[', ']', &ttoklen, P_ARITH);
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;
goto next_character;
}
/* This handles $'...' and $"..." new-style quoted strings. */
+#if defined (TRANSLATABLE_STRINGS)
else if MBTEST(character == '$' && (peek_char == '\'' || peek_char == '"'))
+#else
+ else if MBTEST(character == '$' && peek_char == '\'')
+#endif
{
int first_line;
return -1;
if (peek_char == '\'')
{
+ /* PST_NOEXPAND */
ttrans = ansiexpand (ttok, 0, ttoklen - 1, &ttranslen);
free (ttok);
+
/* Insert the single quotes and correctly quote any
embedded single quotes (allowed because P_ALLOWESC was
passed to parse_matched_pair). */
ttok = sh_single_quote (ttrans);
free (ttrans);
+ ttranslen = strlen (ttok);
ttrans = ttok;
- ttranslen = strlen (ttrans);
}
+#if defined (TRANSLATABLE_STRINGS)
else
{
+ /* PST_NOEXPAND */
/* Try to locale-expand the converted string. */
- ttrans = localeexpand (ttok, 0, ttoklen - 1, first_line, &ttranslen);
+ ttrans = locale_expand (ttok, 0, ttoklen - 1, first_line, &ttranslen);
free (ttok);
- /* Add the double quotes back */
- ttok = (char *)xmalloc (ttranslen + 3);
- ttok[0] = '"';
- strcpy (ttok + 1, ttrans);
- ttok[ttranslen + 1] = '"';
- ttok[ttranslen += 2] = '\0';
+ /* Add the double quotes back (or single quotes if the user
+ has set that option). */
+ if (singlequote_translations &&
+ ((ttoklen - 1) != ttranslen || STREQN (ttok, ttrans, ttranslen) == 0))
+ ttok = sh_single_quote (ttrans);
+ else
+ ttok = sh_mkdoublequoted (ttrans, ttranslen, 0);
+
free (ttrans);
ttrans = ttok;
+ ttranslen = strlen (ttrans);
}
+#endif /* TRANSLATABLE_STRINGS */
- RESIZE_MALLOCED_BUFFER (token, token_index, ttranslen + 2,
+ RESIZE_MALLOCED_BUFFER (token, token_index, ttranslen + 1,
token_buffer_size,
TOKEN_DEFAULT_GROW_SIZE);
strcpy (token + token_index, ttrans);
shell's single-character parameter expansions, and set flags.*/
else if MBTEST(character == '$' && peek_char == '$')
{
- ttok = (char *)xmalloc (3);
- ttok[0] = ttok[1] = '$';
- 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++] = '$';
+ token[token_index++] = peek_char;
dollar_present = 1;
all_digit_token = 0;
- FREE (ttok);
goto next_character;
}
else
}
#if defined (ARRAY_VARS)
- /* Identify possible array subscript assignment; match [...] */
- else if MBTEST(character == '[' && token_index > 0 && assignment_acceptable (last_read_token) && token_is_ident (token, token_index)) /* ] */
+ /* Identify possible array subscript assignment; match [...]. If
+ parser_state&PST_COMPASSIGN, we need to parse [sub]=words treating
+ `sub' as if it were enclosed in double quotes. */
+ else if MBTEST(character == '[' && /* ] */
+ ((token_index > 0 && assignment_acceptable (last_read_token) && token_is_ident (token, token_index)) ||
+ (token_index == 0 && (parser_state&PST_COMPASSIGN))))
{
- ttok = parse_matched_pair (cd, '[', ']', &ttoklen, 0);
+ ttok = parse_matched_pair (cd, '[', ']', &ttoklen, P_ARRAYSUB);
if (ttok == &matched_pair_error)
return -1; /* Bail immediately. */
RESIZE_MALLOCED_BUFFER (token, token_index, ttoklen + 2,
goto next_character;
}
/* Identify possible compound array variable assignment. */
- else if MBTEST(character == '=' && token_index > 0 && token_is_assignment (token, token_index))
+ else if MBTEST(character == '=' && token_index > 0 && (assignment_acceptable (last_read_token) || (parser_state & PST_ASSIGNOK)) && token_is_assignment (token, token_index))
{
peek_char = shell_getc (1);
if MBTEST(peek_char == '(') /* ) */
token[token_index++] = ')';
FREE (ttok);
all_digit_token = 0;
+ compound_assignment = 1;
+#if 1
goto next_character;
+#else
+ goto got_token; /* ksh93 seems to do this */
+#endif
}
else
shell_ungetc (peek_char);
goto got_token;
}
- got_character:
-
- all_digit_token &= DIGIT (character);
- dollar_present |= character == '$';
-
- if (character == CTLESC || character == CTLNUL)
- token[token_index++] = CTLESC;
+got_character:
+ if MBTEST(character == CTLESC || character == CTLNUL)
+ {
+ 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' && SHOULD_PROMPT ())
- prompt_again ();
+ prompt_again (0);
/* We want to remove quoted newlines (that is, a \<newline> pair)
unless we are within single quotes or pass_next_character is
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 MBTEST(all_digit_token && (character == '<' || character == '>' || \
- last_read_token == LESS_AND || \
+ if MBTEST(all_digit_token && (character == '<' || character == '>' ||
+ last_read_token == LESS_AND ||
last_read_token == GREATER_AND))
{
if (legal_number (token, &lvalue) && (int)lvalue == lvalue)
- yylval.number = lvalue;
- else
- yylval.number = -1;
- return (NUMBER);
+ {
+ yylval.number = lvalue;
+ return (NUMBER);
+ }
}
/* Check for special case tokens. */
#endif
CHECK_FOR_RESERVED_WORD (token);
- the_word = (WORD_DESC *)xmalloc (sizeof (WORD_DESC));
+ 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. */
the_word->flags |= W_ASSIGNMENT;
/* Don't perform word splitting on assignment statements. */
if (assignment_acceptable (last_read_token) || (parser_state & PST_COMPASSIGN) != 0)
- the_word->flags |= W_NOSPLIT;
+ {
+ the_word->flags |= W_NOSPLIT;
+ if (parser_state & PST_COMPASSIGN)
+ the_word->flags |= W_NOGLOB; /* XXX - W_NOBRACE? */
+ }
+ }
+
+ if (command_token_position (last_read_token))
+ {
+ 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;
}
yylval.word = the_word;
+ /* should we check that quoted == 0 as well? */
+ if MBTEST(token[0] == '{' && token[token_index-1] == '}' &&
+ (character == '<' || character == '>'))
+ {
+ /* 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
+ {
+ 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);
+ }
+ 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;
+ }
+
result = ((the_word->flags & (W_ASSIGNMENT|W_NOSPLIT)) == (W_ASSIGNMENT|W_NOSPLIT))
? ASSIGNMENT_WORD : WORD;
if (word_top < MAX_CASE_NEST)
word_top++;
word_lineno[word_top] = line_number;
+ expecting_in_token++;
break;
}
case '{':
case '}': /* XXX */
case AND_AND:
+ case ARITH_CMD:
case BANG:
+ case BAR_AND:
+ case COND_END:
case DO:
case DONE:
case ELIF:
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:
+ case DOLPAREN:
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 -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
/* 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
command lists. It's a suboptimal solution. */
else if (parser_state & PST_CASESTMT) /* case statement pattern */
return " ";
- else
+ 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 (" ");
}
+ /* Assume that by this point we are reading lines in a multi-line command.
+ If we have multiple consecutive blank lines we want to return only one
+ semicolon. */
+ if (line_isblank (line))
+ return (current_command_line_count > 1 && last_read_token == '\n' && token_before_that != '\n') ? "; " : "";
+
return ("; ");
}
#endif /* HISTORY */
/* Issue a prompt, or prepare to issue a prompt when the next character
is read. */
static void
-prompt_again ()
+prompt_again (force)
+ int force;
{
char *temp_prompt;
- if (interactive == 0 || expanding_alias()) /* 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;
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:
char *string;
{
WORD_LIST *list;
- char *result, *t;
+ char *result, *t, *orig_string;
struct dstack save_dstack;
- int last_exit_value;
+ 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;
+ size_t result_index;
+ int c, n, i;
+ char *temp, *t_host, octal_string[4];
struct tm *tm;
time_t the_time;
char timebuf[128];
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;
case 'A':
/* Make the current time/date into a string. */
(void) time (&the_time);
+#if defined (HAVE_TZSET)
+ sv_tz ("TZ"); /* XXX -- just make sure */
+#endif
tm = localtime (&the_time);
if (c == 'd')
/* 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);
+ temp = sh_backslash_quote_for_double_quotes (timebuf, 0);
else
temp = savestring (timebuf);
goto add_string;
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)
+ {
+ char *t;
+ t = sh_strvis (temp);
+ temp = sh_backslash_quote_for_double_quotes (t, 0);
+ free (t);
+ }
+ else
+ temp = sh_strvis (temp);
goto add_string;
case 'v':
case 'W':
{
/* Use the value of PWD because it is much more efficient. */
- char t_string[PATH_MAX], *t;
+ char t_string[PATH_MAX];
int tlen;
temp = get_string_value ("PWD");
}
t_string[tlen] = '\0';
+#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, temp) == 0))
+ if (c == 'W' && (((t = get_string_value ("HOME")) == 0) || STREQ (t, t_string) == 0))
{
if (ROOT_PATH (t_string) == 0 && DOUBLE_SLASH_ROOT (t_string) == 0)
{
t = strrchr (t_string, '/');
if (t)
- strcpy (t_string, t + 1);
+ 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)
/* 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_string);
+ {
+ char *t;
+ t = sh_strvis (t_string);
+ temp = sh_backslash_quote_for_double_quotes (t, 0);
+ free (t);
+ }
else
- temp = savestring (t_string);
+ temp = sh_strvis (t_string);
goto add_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, 0);
+ 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;
break;
}
temp = (char *)xmalloc (3);
- temp[0] = '\001';
- temp[1] = (c == '[') ? RL_PROMPT_START_IGNORE : RL_PROMPT_END_IGNORE;
- temp[2] = '\0';
+ 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 */
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';
}
if (promptvars || posixly_correct)
{
last_exit_value = last_command_exit_value;
- list = expand_prompt_string (result, Q_DOUBLE_QUOTES);
+ 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
{
yyerror (msg)
const char *msg;
{
- report_syntax_error ((char *)NULL);
+ if ((parser_state & PST_NOERROR) == 0)
+ report_syntax_error ((char *)NULL);
reset_parser ();
return (0);
}
static char *
-error_token_from_token (token)
- int token;
+error_token_from_token (tok)
+ int tok;
{
char *t;
- if (t = find_token_in_alist (token, word_token_alist, 0))
+ if (t = find_token_in_alist (tok, word_token_alist, 0))
return t;
- if (t = find_token_in_alist (token, other_token_alist, 0))
+ if (t = find_token_in_alist (tok, other_token_alist, 0))
return t;
t = (char *)NULL;
report_syntax_error (message)
char *message;
{
- char *msg;
+ 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 = (executing_builtin && parse_and_execute_level) ? EX_BADSYNTAX : EX_BADUSAGE;
+ set_pipestatus_from_exit (last_command_exit_value);
return;
}
parser's complaining about by looking at current_token. */
if (current_token != 0 && EOF_Reached == 0 && (msg = error_token_from_token (current_token)))
{
+ 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);
if (interactive == 0)
print_offending_line ();
- last_command_exit_value = EX_USAGE;
+ last_command_exit_value = (executing_builtin && parse_and_execute_level) ? EX_BADSYNTAX : EX_BADUSAGE;
+ set_pipestatus_from_exit (last_command_exit_value);
return;
}
}
else
{
- msg = EOF_Reached ? _("syntax error: unexpected end of file") : _("syntax error");
- parser_error (line_number, "%s", msg);
+ if (EOF_Reached && shell_eof_token && current_token != shell_eof_token)
+ parser_error (line_number, _("unexpected EOF while looking for matching `%c'"), shell_eof_token);
+ else
+ {
+ 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
decide whether or not to exit. */
EOF_Reached = 0;
}
- last_command_exit_value = EX_USAGE;
+ last_command_exit_value = (executing_builtin && parse_and_execute_level) ? EX_BADSYNTAX : EX_BADUSAGE;
+ set_pipestatus_from_exit (last_command_exit_value);
}
/* ??? Needed function. ??? We have to be able to discard the constructs
last_read_token = current_token = '\n';
/* Reset the prompt string to be $PS1. */
prompt_string_pointer = (char **)NULL;
- prompt_again ();
+ prompt_again (0);
return;
}
}
/* In this case EOF should exit the shell. Do it now. */
reset_parser ();
+
+ last_shell_builtin = this_shell_builtin;
+ this_shell_builtin = exit_builtin;
exit_builtin ((WORD_LIST *)NULL);
}
else
const char *whom;
{
WORD_LIST *wl;
- 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
+ int tok, orig_current_token, orig_line_number;
+ int orig_parser_state;
+ sh_parser_state_t ps;
+ int ea;
+
+ orig_line_number = line_number;
+ save_parser_state (&ps);
#if defined (HISTORY)
- old_remember_on_history = remember_on_history;
-# if defined (BANG_HISTORY)
- old_history_expansion_inhibited = history_expansion_inhibited;
-# endif
bash_history_disable ();
#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 = WORD; /* WORD to allow reserved words here */
+ if (ea = expanding_alias ())
+ parser_save_alias ();
+
+ /* WORD to avoid parsing reserved words as themselves and just parse them as
+ WORDs. */
+ last_read_token = WORD;
+
current_command_line_count = 0;
echo_input_at_read = expand_aliases = 0;
wl = (WORD_LIST *)NULL;
if (flags & 1)
- parser_state |= PST_COMPASSIGN;
+ {
+ orig_parser_state = parser_state; /* XXX - not needed? */
+ /* State flags we don't want to persist into compound assignments. */
+ parser_state &= ~PST_NOEXPAND; /* parse_comsub sentinel */
+ /* State flags we want to set for this run through the tokenizer. */
+ parser_state |= PST_COMPASSIGN|PST_REPARSE|PST_STRING;
+ }
while ((tok = read_token (READ)) != yacc_EOF)
{
line_number = orig_line_number + line_number - 1;
orig_current_token = current_token;
current_token = tok;
- yyerror ((char *)NULL); /* does the right thing */
+ yyerror (NULL); /* does the right thing */
current_token = orig_current_token;
if (wl)
dispose_words (wl);
last_read_token = '\n';
pop_stream ();
-#if defined (HISTORY)
- remember_on_history = old_remember_on_history;
-# if defined (BANG_HISTORY)
- history_expansion_inhibited = old_history_expansion_inhibited;
-# endif /* BANG_HISTORY */
-#endif /* HISTORY */
-
- echo_input_at_read = old_echo_input;
- expand_aliases = old_expand_aliases;
+ if (ea)
+ parser_restore_alias ();
- current_command_line_count = orig_line_count;
- shell_input_line_terminator = orig_input_terminator;
+ restore_parser_state (&ps);
if (flags & 1)
- parser_state &= ~PST_COMPASSIGN;
+ parser_state = orig_parser_state; /* XXX - not needed? */
if (wl == &parse_string_error)
{
- last_command_exit_value = EXECUTION_FAILURE;
+ set_exit_status (EXECUTION_FAILURE);
if (interactive_shell == 0 && posixly_correct)
jump_to_top_level (FORCE_EOF);
else
int *retlenp;
{
WORD_LIST *wl, *rl;
- int tok, orig_line_number, orig_token_size;
- char *saved_token, *ret;
+ int tok, orig_line_number, assignok;
+ sh_parser_state_t ps;
+ char *ret;
- saved_token = token;
- orig_token_size = token_buffer_size;
orig_line_number = line_number;
+ save_parser_state (&ps);
- last_read_token = WORD; /* WORD to allow reserved words here */
+ /* WORD to avoid parsing reserved words as themselves and just parse them as
+ WORDs. Plus it means we won't be in a command position and so alias
+ expansion won't happen. */
+ last_read_token = WORD;
token = (char *)NULL;
token_buffer_size = 0;
-
wl = (WORD_LIST *)NULL; /* ( */
+
+ assignok = parser_state&PST_ASSIGNOK; /* XXX */
+
+ /* State flags we don't want to persist into compound assignments. */
+ parser_state &= ~(PST_NOEXPAND|PST_CONDCMD|PST_CONDEXPR|PST_REGEXP|PST_EXTPAT);
+ /* State flags we want to set for this run through the tokenizer. */
parser_state |= PST_COMPASSIGN;
+ esacs_needed_count = expecting_in_token = 0;
+
while ((tok = read_token (READ)) != ')')
{
if (tok == '\n') /* Allow newlines in compound assignments */
{
if (SHOULD_PROMPT ())
- prompt_again ();
+ prompt_again (0);
continue;
}
if (tok != WORD && tok != ASSIGNMENT_WORD)
if (tok == yacc_EOF) /* ( */
parser_error (orig_line_number, _("unexpected EOF while looking for matching `)'"));
else
- yyerror ((char *)NULL); /* does the right thing */
+ yyerror(NULL); /* does the right thing */
if (wl)
dispose_words (wl);
wl = &parse_string_error;
wl = make_word_list (yylval.word, wl);
}
- FREE (token);
- token = saved_token;
- token_buffer_size = orig_token_size;
-
- parser_state &= ~PST_COMPASSIGN;
+ restore_parser_state (&ps);
if (wl == &parse_string_error)
{
- last_command_exit_value = EXECUTION_FAILURE;
+ set_exit_status (EXECUTION_FAILURE);
last_read_token = '\n'; /* XXX */
if (interactive_shell == 0 && posixly_correct)
jump_to_top_level (FORCE_EOF);
jump_to_top_level (DISCARD);
}
- last_read_token = WORD;
if (wl)
{
rl = REVERSE_LIST (wl, WORD_LIST *);
if (retlenp)
*retlenp = (ret && *ret) ? strlen (ret) : 0;
+
+ if (assignok)
+ parser_state |= PST_ASSIGNOK;
+
return ret;
}
save_parser_state (ps)
sh_parser_state_t *ps;
{
-#if defined (ARRAY_VARS)
- SHELL_VAR *v;
-#endif
-
if (ps == 0)
- ps = xmalloc (sizeof (sh_parser_state_t));
+ ps = (sh_parser_state_t *)xmalloc (sizeof (sh_parser_state_t));
if (ps == 0)
return ((sh_parser_state_t *)NULL);
ps->input_line_terminator = shell_input_line_terminator;
ps->eof_encountered = eof_encountered;
+ ps->eol_lookahead = eol_ungetc_lookahead;
+
+ ps->prompt_string_pointer = prompt_string_pointer;
ps->current_command_line_count = current_command_line_count;
ps->last_command_exit_value = last_command_exit_value;
#if defined (ARRAY_VARS)
- v = find_variable ("PIPESTATUS");
- if (v && array_p (v) && array_cell (v))
- ps->pipestatus = array_copy (array_cell (v));
- else
- ps->pipestatus = (ARRAY *)NULL;
+ ps->pipestatus = save_pipestatus_array ();
#endif
ps->last_shell_builtin = last_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;
+
+ ps->esacs_needed = esacs_needed_count;
+ ps->expecting_in = expecting_in_token;
+
+ if (need_here_doc == 0)
+ ps->redir_stack[0] = 0;
+ else
+ memcpy (ps->redir_stack, redir_stack, sizeof (redir_stack[0]) * HEREDOC_MAX);
+
+#if defined (ALIAS) || defined (DPAREN_ARITHMETIC)
+ ps->pushed_strings = pushed_string_list;
+#endif
+
+ ps->eof_token = shell_eof_token;
+ 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);
}
restore_parser_state (ps)
sh_parser_state_t *ps;
{
-#if defined (ARRAY_VARS)
- SHELL_VAR *v;
-#endif
+ int i;
if (ps == 0)
return;
shell_input_line_terminator = ps->input_line_terminator;
eof_encountered = ps->eof_encountered;
+ eol_ungetc_lookahead = ps->eol_lookahead;
+
+ prompt_string_pointer = ps->prompt_string_pointer;
current_command_line_count = ps->current_command_line_count;
last_command_exit_value = ps->last_command_exit_value;
#if defined (ARRAY_VARS)
- v = find_variable ("PIPESTATUS");
- if (v && array_p (v) && array_cell (v))
- {
- array_dispose (array_cell (v));
- var_setarray (v, ps->pipestatus);
- }
+ restore_pipestatus_array (ps->pipestatus);
#endif
last_shell_builtin = ps->last_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;
+
+ esacs_needed_count = ps->esacs_needed;
+ expecting_in_token = ps->expecting_in;
+
+#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
+
+#if defined (ALIAS) || defined (DPAREN_ARITHMETIC)
+ pushed_string_list = (STRING_SAVER *)ps->pushed_strings;
+#endif
+
+ FREE (token);
+ token = ps->token;
+ token_buffer_size = ps->token_buffer_size;
+ shell_eof_token = ps->eof_token;
+}
+
+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;
+
+#if defined (HANDLE_MULTIBYTE)
+ ls->input_property = shell_input_line_property;
+ ls->input_propsize = shell_input_line_propsize;
+#endif
+
+ /* force reallocation */
+ shell_input_line = 0;
+ shell_input_line_size = shell_input_line_len = shell_input_line_index = 0;
+
+#if defined (HANDLE_MULTIBYTE)
+ shell_input_line_property = 0;
+ shell_input_line_propsize = 0;
+#endif
+
+ 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;
+
+#if defined (HANDLE_MULTIBYTE)
+ FREE (shell_input_line_property);
+ shell_input_line_property = ls->input_property;
+ shell_input_line_propsize = ls->input_propsize;
+#endif
+
+#if 0
+ set_line_mbstate ();
+#endif
}
/************************************************
************************************************/
#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 i, previ, len, c;
+ int c;
+ size_t i, previ, len;
mbstate_t mbs, prevs;
size_t mbclen;
+ int ilen;
if (shell_input_line == NULL)
return;
- len = strlen (shell_input_line); /* XXX - shell_input_line_len ? */
- FREE (shell_input_line_property);
- shell_input_line_property = (char *)xmalloc (len + 1);
+ 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);
+ }
+
+ if (locale_mb_cur_max == 1)
+ {
+ memset (shell_input_line_property, 1, len);
+ return;
+ }
+
+ /* XXX - use whether or not we are in a UTF-8 locale to avoid calls to
+ mbrlen */
+ if (locale_utf8locale == 0)
+ memset (&prevs, '\0', sizeof (mbstate_t));
- memset (&prevs, '\0', sizeof (mbstate_t));
for (i = previ = 0; i < len; i++)
{
- mbs = prevs;
+ if (locale_utf8locale == 0)
+ mbs = prevs;
c = shell_input_line[i];
if (c == EOF)
{
- int j;
+ size_t j;
for (j = i; j < len; j++)
shell_input_line_property[j] = 1;
break;
}
- mbclen = mbrlen (shell_input_line + previ, i - previ + 1, &mbs);
+ if (locale_utf8locale)
+ {
+ if ((unsigned char)shell_input_line[previ] < 128) /* i != previ */
+ mbclen = 1;
+ else
+ {
+ ilen = utf8_mblen (shell_input_line + previ, i - previ + 1);
+ mbclen = (ilen == -1) ? (size_t)-1
+ : ((ilen == -2) ? (size_t)-2 : (size_t)ilen);
+ }
+ }
+ else
+ mbclen = mbrlen (shell_input_line + previ, i - previ + 1, &mbs);
+
if (mbclen == 1 || mbclen == (size_t)-1)
{
mbclen = 1;
{
mbclen = 0;
previ = i + 1;
- prevs = mbs;
+ if (locale_utf8locale == 0)
+ prevs = mbs;
}
else
{
- /* XXX - what to do if mbrlen returns 0? (null wide character) */
- int j;
+ size_t j;
for (j = i; j < len; j++)
shell_input_line_property[j] = 1;
break;
projects / thirdparty / bash.git / blobdiff