diff options
Diffstat (limited to 'variables.h')
| -rw-r--r-- | variables.h | 45 |
1 files changed, 33 insertions, 12 deletions
diff --git a/variables.h b/variables.h index 00e6ca2..ec1bfdc 100644 --- a/variables.h +++ b/variables.h @@ -1,28 +1,29 @@ /* variables.h -- data structures for shell variables. */ -/* Copyright (C) 1987-2005 Free Software Foundation, Inc. +/* Copyright (C) 1987-2009 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, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ + along with Bash. If not, see <http://www.gnu.org/licenses/>. +*/ #if !defined (_VARIABLES_H_) #define _VARIABLES_H_ #include "stdc.h" #include "array.h" +#include "assoc.h" /* Shell variables and functions are stored in hash tables. */ #include "hashlib.h" @@ -61,7 +62,7 @@ typedef struct var_context { /* What a shell variable looks like. */ typedef struct variable *sh_var_value_func_t __P((struct variable *)); -typedef struct variable *sh_var_assign_func_t __P((struct variable *, char *, arrayind_t)); +typedef struct variable *sh_var_assign_func_t __P((struct variable *, char *, arrayind_t, char *)); /* For the future */ union _value { @@ -108,6 +109,11 @@ typedef struct _vlist { #define att_local 0x0000020 /* variable is local to a function */ #define att_assoc 0x0000040 /* variable is an associative array */ #define att_trace 0x0000080 /* function is traced with DEBUG trap */ +#define att_uppercase 0x0000100 /* word converted to uppercase on assignment */ +#define att_lowercase 0x0000200 /* word converted to lowercase on assignment */ +#define att_capcase 0x0000400 /* word capitalized on assignment */ + +#define user_attrs (att_exported|att_readonly|att_integer|att_local|att_trace|att_uppercase|att_lowercase|att_capcase) #define attmask_user 0x0000fff @@ -117,6 +123,7 @@ typedef struct _vlist { #define att_noassign 0x0004000 /* assignment not allowed */ #define att_imported 0x0008000 /* came from environment */ #define att_special 0x0010000 /* requires special handling */ +#define att_nofree 0x0020000 /* do not free value on unset */ #define attmask_int 0x00ff000 @@ -134,12 +141,16 @@ typedef struct _vlist { #define local_p(var) ((((var)->attributes) & (att_local))) #define assoc_p(var) ((((var)->attributes) & (att_assoc))) #define trace_p(var) ((((var)->attributes) & (att_trace))) +#define uppercase_p(var) ((((var)->attributes) & (att_uppercase))) +#define lowercase_p(var) ((((var)->attributes) & (att_lowercase))) +#define capcase_p(var) ((((var)->attributes) & (att_capcase))) #define invisible_p(var) ((((var)->attributes) & (att_invisible))) #define non_unsettable_p(var) ((((var)->attributes) & (att_nounset))) #define noassign_p(var) ((((var)->attributes) & (att_noassign))) #define imported_p(var) ((((var)->attributes) & (att_imported))) #define specialvar_p(var) ((((var)->attributes) & (att_special))) +#define nofree_p(var) ((((var)->attributes) & (att_nofree))) #define tempvar_p(var) ((((var)->attributes) & (att_tempvar))) @@ -147,6 +158,7 @@ typedef struct _vlist { #define value_cell(var) ((var)->value) #define function_cell(var) (COMMAND *)((var)->value) #define array_cell(var) (ARRAY *)((var)->value) +#define assoc_cell(var) (HASH_TABLE *)((var)->value) #define var_isnull(var) ((var)->value == 0) #define var_isset(var) ((var)->value != 0) @@ -155,6 +167,7 @@ typedef struct _vlist { #define var_setvalue(var, str) ((var)->value = (str)) #define var_setfunc(var, func) ((var)->value = (char *)(func)) #define var_setarray(var, arr) ((var)->value = (char *)(arr)) +#define var_setassoc(var, arr) ((var)->value = (char *)(arr)) /* Make VAR be auto-exported. */ #define set_auto_export(var) \ @@ -314,6 +327,9 @@ extern void print_var_function __P((SHELL_VAR *)); extern SHELL_VAR *make_new_array_variable __P((char *)); extern SHELL_VAR *make_local_array_variable __P((char *)); +extern SHELL_VAR *make_new_assoc_variable __P((char *)); +extern SHELL_VAR *make_local_assoc_variable __P((char *)); + extern void set_pipestatus_array __P((int *, int)); #endif @@ -323,6 +339,10 @@ extern void set_pipestatus_from_exit __P((int)); is one of the special ones where something special happens. */ extern void stupidly_hack_special_variables __P((char *)); +/* Reinitialize some special variables that have external effects upon unset + when the shell reinitializes itself. */ +extern void reinit_special_variables __P((void)); + extern int get_random_number __P((void)); /* The `special variable' functions that get called when a particular @@ -336,6 +356,7 @@ extern void sv_strict_posix __P((char *)); extern void sv_optind __P((char *)); extern void sv_opterr __P((char *)); extern void sv_locale __P((char *)); +extern void sv_xtracefd __P((char *)); #if defined (READLINE) extern void sv_comp_wordbreaks __P((char *)); |