/* command.h -- The structures used internally to represent commands, and
the extern declarations of the functions used to create them. */
-/* Copyright (C) 1993-2009 Free Software Foundation, Inc.
+/* Copyright (C) 1993-2010 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
r_append_err_and_out
};
+/* Redirection flags; values for rflags */
+#define REDIR_VARASSIGN 0x01
+
/* Redirection errors. */
#define AMBIGUOUS_REDIRECT -1
#define NOCLOBBER_REDIRECT -2
#define RESTRICTED_REDIRECT -3 /* can only happen in restricted shells. */
#define HEREDOC_REDIRECT -4 /* here-doc temp file can't be created */
+#define BADVAR_REDIRECT -5 /* something wrong with {varname}redir */
#define CLOBBERING_REDIRECT(ri) \
(ri == r_output_direction || ri == r_err_and_out)
#define W_HASDOLLAR 0x000001 /* Dollar sign present. */
#define W_QUOTED 0x000002 /* Some form of quote character is present. */
#define W_ASSIGNMENT 0x000004 /* This word is a variable assignment. */
-#define W_GLOBEXP 0x000008 /* This word is the result of a glob expansion. */
-#define W_NOSPLIT 0x000010 /* Do not perform word splitting on this word. */
+#define W_SPLITSPACE 0x000008 /* Split this word on " " regardless of IFS */
+#define W_NOSPLIT 0x000010 /* Do not perform word splitting on this word because ifs is empty string. */
#define W_NOGLOB 0x000020 /* Do not perform globbing on this word. */
-#define W_NOSPLIT2 0x000040 /* Don't split word except for $@ expansion. */
+#define W_NOSPLIT2 0x000040 /* Don't split word except for $@ expansion (using spaces) because context does not allow it. */
#define W_TILDEEXP 0x000080 /* Tilde expand this assignment word */
#define W_DOLLARAT 0x000100 /* $@ and its special handling */
#define W_DOLLARSTAR 0x000200 /* $* and its special handling */
#define W_NOPROCSUB 0x100000 /* don't perform process substitution */
#define W_HASCTLESC 0x200000 /* word contains literal CTLESC characters */
#define W_ASSIGNASSOC 0x400000 /* word looks like associative array assignment */
+#define W_ASSIGNARRAY 0x800000 /* word looks like a compound indexed array assignment */
+#define W_ARRAYIND 0x1000000 /* word is an array index being expanded */
+#define W_ASSNGLOBAL 0x2000000 /* word is a global assignment to declare (declare/typeset -g) */
+#define W_NOBRACE 0x4000000 /* Don't perform brace expansion */
/* Possible values for subshell_environment */
#define SUBSHELL_ASYNC 0x01 /* subshell caused by `command &' */
#define SUBSHELL_PIPE 0x10 /* subshell from a pipeline element */
#define SUBSHELL_PROCSUB 0x20 /* subshell caused by <(command) or >(command) */
#define SUBSHELL_COPROC 0x40 /* subshell from a coproc pipeline */
+#define SUBSHELL_RESETTRAP 0x80 /* subshell needs to reset trap strings on first call to trap */
/* A structure which represents a word. */
typedef struct word_desc {
(or translator in redir.c) encountered an out-of-range file descriptor. */
typedef struct redirect {
struct redirect *next; /* Next element, or NULL. */
- int redirector; /* Descriptor to be redirected. */
+ REDIRECTEE redirector; /* Descriptor or varname to be redirected. */
+ int rflags; /* Private flags for this redirection */
int flags; /* Flag value for `open'. */
enum r_instruction instruction; /* What to do with the information. */
REDIRECTEE redirectee; /* File descriptor or filename */
#define CMD_STDIN_REDIR 0x400 /* async command needs implicit </dev/null */
#define CMD_COMMAND_BUILTIN 0x0800 /* command executed by `command' builtin */
#define CMD_COPROC_SUBSHELL 0x1000
+#define CMD_LASTPIPE 0x2000
+#define CMD_STDPATH 0x4000 /* use standard path for command lookup */
/* What a command looks like. */
typedef struct command {
} ARITH_COM;
#endif /* DPAREN_ARITHMETIC */
-/* The conditional command, [[...]]. This is a binary tree -- we slippped
+/* The conditional command, [[...]]. This is a binary tree -- we slipped
a recursive-descent parser into the YACC grammar to parse it. */
#define COND_AND 1
#define COND_OR 2
COMMAND *command;
} SUBSHELL_COM;
+#define COPROC_RUNNING 0x01
+#define COPROC_DEAD 0x02
+
typedef struct coproc {
char *c_name;
pid_t c_pid;
int c_wsave;
int c_flags;
int c_status;
+ int c_lock;
} Coproc;
typedef struct coproc_com {