X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=shell.h;h=92685e1006a855b2c8999925f145d65da96b754f;hb=refs%2Ftags%2Fbash-4.2;hp=681c64dc3cb919c60b4ea945bd16e6ee6231e3da;hpb=d166f048818e10cf3799aa24a174fb22835f1acc;p=platform%2Fupstream%2Fbash.git diff --git a/shell.h b/shell.h index 681c64d..92685e1 100644 --- a/shell.h +++ b/shell.h @@ -1,36 +1,41 @@ /* shell.h -- The data structures used by the shell */ -/* Copyright (C) 1993 Free Software Foundation, Inc. +/* Copyright (C) 1993-2009 Free Software Foundation, Inc. This file is part of GNU Bash, the Bourne Again SHell. - Bash 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. + Bash 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. - Bash 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. + Bash 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 Bash; see the file COPYING. If not, write to the Free Software - Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ + You should have received a copy of the GNU General Public License + along with Bash. If not, see . +*/ +#ifdef HAVE_CONFIG_H #include "config.h" +#endif #include "bashjmp.h" #include "command.h" +#include "syntax.h" #include "general.h" #include "error.h" #include "variables.h" +#include "arrayfunc.h" #include "quit.h" #include "maxpath.h" #include "unwind_prot.h" #include "dispose_cmd.h" #include "make_cmd.h" +#include "ocache.h" #include "subst.h" #include "sig.h" #include "pathnames.h" @@ -40,7 +45,6 @@ extern int EOF_Reached; #define NO_PIPE -1 #define REDIRECT_BOTH -2 -#define IS_DESCRIPTOR -1 #define NO_VARIABLE -1 @@ -51,7 +55,11 @@ extern int EOF_Reached; /* Usage messages by builtins result in a return status of 2. */ #define EX_BADUSAGE 2 +#define EX_MISCERROR 2 + /* Special exit statuses used by the shell, internally and externally. */ +#define EX_RETRYFAIL 124 +#define EX_WEXPCOMSUB 125 #define EX_BINARY_FILE 126 #define EX_NOEXEC 126 #define EX_NOINPUT 126 @@ -65,47 +73,33 @@ extern int EOF_Reached; #define EX_BADASSIGN 260 /* variable assignment error */ #define EX_EXPFAIL 261 /* word expansion failed */ -/* The list of characters that are quoted in double-quotes with a - backslash. Other characters following a backslash cause nothing - special to happen. */ -#define slashify_in_quotes "\\`$\"\n" -#define slashify_in_here_document "\\`$" - -/* Constants which specify how to handle backslashes and quoting in - expand_word_internal (). Q_DOUBLE_QUOTES means to use the function - slashify_in_quotes () to decide whether the backslash should be - retained. Q_HERE_DOCUMENT means slashify_in_here_document () to - decide whether to retain the backslash. Q_KEEP_BACKSLASH means - to unconditionally retain the backslash. */ -#define Q_DOUBLE_QUOTES 0x1 -#define Q_HERE_DOCUMENT 0x2 -#define Q_KEEP_BACKSLASH 0x4 -#define Q_NOQUOTE 0x8 -#define Q_QUOTED 0x10 -#define Q_ADDEDQUOTES 0x20 -#define Q_QUOTEDNULL 0x40 - /* Flag values that control parameter pattern substitution. */ -#define MATCH_ANY 0x0 -#define MATCH_BEG 0x1 -#define MATCH_END 0x2 +#define MATCH_ANY 0x000 +#define MATCH_BEG 0x001 +#define MATCH_END 0x002 -#define MATCH_TYPEMASK 0x3 +#define MATCH_TYPEMASK 0x003 -#define MATCH_GLOBREP 0x10 -#define MATCH_QUOTED 0x20 +#define MATCH_GLOBREP 0x010 +#define MATCH_QUOTED 0x020 +#define MATCH_STARSUB 0x040 /* Some needed external declarations. */ extern char **shell_environment; extern WORD_LIST *rest_of_args; /* Generalized global variables. */ +extern int debugging_mode; extern int executing, login_shell; +extern int interactive, interactive_shell; +extern int startup_state; +extern int subshell_environment; +extern int shell_compatibility_level; /* Structure to pass around that holds a bitmap of file descriptors to close, and the size of that structure. Used in execute_cmd.c. */ struct fd_bitmap { - long size; + int size; char *bitmap; }; @@ -124,3 +118,54 @@ struct user_info { }; extern struct user_info current_user; + +/* Force gcc to not clobber X on a longjmp(). Old versions of gcc mangle + this badly. */ +#if (__GNUC__ > 2) || (__GNUC__ == 2 && __GNUC_MINOR__ > 8) +# define USE_VAR(x) ((void) &(x)) +#else +# define USE_VAR(x) +#endif + +/* Structure in which to save partial parsing state when doing things like + PROMPT_COMMAND and bash_execute_unix_command execution. */ + +typedef struct _sh_parser_state_t { + + /* parsing state */ + int parser_state; + int *token_state; + + /* input line state -- line number saved elsewhere */ + int input_line_terminator; + int eof_encountered; + +#if defined (HANDLE_MULTIBYTE) + /* Nothing right now for multibyte state, but might want something later. */ +#endif + + char **prompt_string_pointer; + + /* history state affecting or modified by the parser */ + int current_command_line_count; +#if defined (HISTORY) + int remember_on_history; + int history_expansion_inhibited; +#endif + + /* execution state possibly modified by the parser */ + int last_command_exit_value; +#if defined (ARRAY_VARS) + ARRAY *pipestatus; +#endif + sh_builtin_func_t *last_shell_builtin, *this_shell_builtin; + + /* flags state affecting the parser */ + int expand_aliases; + int echo_input_at_read; + +} sh_parser_state_t; + +/* Let's try declaring these here. */ +extern sh_parser_state_t *save_parser_state __P((sh_parser_state_t *)); +extern void restore_parser_state __P((sh_parser_state_t *));