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author | Jari Aalto <jari.aalto@cante.net> | 1996-12-23 17:02:34 +0000 |
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committer | Jari Aalto <jari.aalto@cante.net> | 2009-09-12 16:46:49 +0000 |
commit | ccc6cda312fea9f0468ee65b8f368e9653e1380b (patch) | |
tree | b059878adcfd876c4acb8030deda1eeb918c7e75 /variables.h | |
parent | 726f63884db0132f01745f1fb4465e6621088ccf (diff) | |
download | android_external_bash-ccc6cda312fea9f0468ee65b8f368e9653e1380b.tar.gz android_external_bash-ccc6cda312fea9f0468ee65b8f368e9653e1380b.tar.bz2 android_external_bash-ccc6cda312fea9f0468ee65b8f368e9653e1380b.zip |
Imported from ../bash-2.0.tar.gz.
Diffstat (limited to 'variables.h')
-rw-r--r-- | variables.h | 56 |
1 files changed, 42 insertions, 14 deletions
diff --git a/variables.h b/variables.h index 8f4ef3e..cdeed92 100644 --- a/variables.h +++ b/variables.h @@ -4,9 +4,10 @@ #define _VARIABLES_H_ #include "stdc.h" +#include "array.h" /* Shell variables and functions are stored in hash tables. */ -#include "hash.h" +#include "hashlib.h" /* What a shell variable looks like. */ @@ -28,25 +29,33 @@ typedef struct variable { /* The various attributes that a given variable can have. We only reserve one byte of the INT. */ -#define att_exported 0x01 /* %00000001 (export to environment) */ -#define att_readonly 0x02 /* %00000010 (cannot change) */ -#define att_invisible 0x04 /* %00000100 (cannot see) */ -#define att_array 0x08 /* %00001000 (value is an array) */ -#define att_nounset 0x10 /* %00010000 (cannot unset) */ -#define att_function 0x20 /* %00100000 (value is a function) */ -#define att_integer 0x40 /* %01000000 (internal rep. is int) */ -#define att_imported 0x80 /* %10000000 (came from environment) */ +#define att_exported 0x01 /* export to environment */ +#define att_readonly 0x02 /* cannot change */ +#define att_invisible 0x04 /* cannot see */ +#define att_array 0x08 /* value is an array */ +#define att_nounset 0x10 /* cannot unset */ +#define att_function 0x20 /* value is a function */ +#define att_integer 0x40 /* internal representation is int */ +#define att_imported 0x80 /* came from environment */ +#define att_local 0x100 /* variable is local to a function */ #define exported_p(var) ((((var)->attributes) & (att_exported))) #define readonly_p(var) ((((var)->attributes) & (att_readonly))) #define invisible_p(var) ((((var)->attributes) & (att_invisible))) #define array_p(var) ((((var)->attributes) & (att_array))) +#define non_unsettable_p(var) ((((var)->attributes) & (att_nounset))) #define function_p(var) ((((var)->attributes) & (att_function))) #define integer_p(var) ((((var)->attributes) & (att_integer))) #define imported_p(var) ((((var)->attributes) & (att_imported))) +#define local_p(var) ((((var)->attributes) & (att_local))) #define value_cell(var) ((var)->value) #define function_cell(var) (COMMAND *)((var)->value) +#define array_cell(var) ((ARRAY *)(var)->value) + +#define SETVARATTR(var, attr, undo) \ + ((undo == 0) ? ((var)->attributes |= (attribute)) \ + : ((var)->attributes &= ~(attribute))) /* Stuff for hacking variables. */ extern int variable_context; @@ -55,14 +64,15 @@ extern char *dollar_vars[]; extern char **export_env; extern char **non_unsettable_vars; -extern void initialize_shell_variables __P((char **)); +extern void initialize_shell_variables __P((char **, int)); +extern SHELL_VAR *set_if_not __P((char *, char *)); +extern void set_lines_and_columns __P((int, int)); extern SHELL_VAR *find_function __P((char *)); extern SHELL_VAR *find_variable __P((char *)); extern SHELL_VAR *find_variable_internal __P((char *, int)); extern SHELL_VAR *find_tempenv_variable __P((char *)); extern SHELL_VAR *copy_variable __P((SHELL_VAR *)); -extern SHELL_VAR *set_if_not __P((char *, char *)); extern SHELL_VAR *make_local_variable __P((char *)); extern SHELL_VAR *bind_variable __P((char *, char *)); extern SHELL_VAR *bind_function __P((char *, COMMAND *)); @@ -76,6 +86,7 @@ extern char **make_var_array __P((HASH_TABLE *)); extern char **add_or_supercede __P((char *, char **)); extern char *get_string_value __P((char *)); +extern char *make_variable_value __P((SHELL_VAR *, char *)); extern int assignment __P((char *)); extern int variable_in_context __P((SHELL_VAR *)); @@ -88,21 +99,38 @@ extern void delete_all_variables __P((HASH_TABLE *)); extern void adjust_shell_level __P((int)); extern void non_unsettable __P((char *)); extern void dispose_variable __P((SHELL_VAR *)); +extern void dispose_used_env_vars __P((void)); extern void dispose_function_env __P((void)); extern void dispose_builtin_env __P((void)); -extern void dispose_used_env_vars __P((void)); +extern void merge_temporary_env __P((void)); +extern void merge_builtin_env __P((void)); extern void kill_all_local_variables __P((void)); extern void set_var_read_only __P((char *)); extern void set_func_read_only __P((char *)); extern void set_var_auto_export __P((char *)); extern void set_func_auto_export __P((char *)); -extern void sort_char_array __P((char **)); extern void sort_variables __P((SHELL_VAR **)); extern void maybe_make_export_env __P((void)); extern void put_command_name_into_env __P((char *)); +extern void put_gnu_argv_flags_into_env __P((int, char *)); extern void print_var_list __P((SHELL_VAR **)); extern void print_assignment __P((SHELL_VAR *)); -extern void print_var_value __P((SHELL_VAR *)); +extern void print_var_value __P((SHELL_VAR *, int)); extern void print_var_function __P((SHELL_VAR *)); +extern char *indirection_level_string __P((void)); + +#if defined (ARRAY_VARS) +extern SHELL_VAR *make_new_array_variable __P((char *)); +extern SHELL_VAR *make_local_array_variable __P((char *)); +extern SHELL_VAR *convert_var_to_array __P((SHELL_VAR *)); +extern SHELL_VAR *bind_array_variable __P((char *, int, char *)); +extern SHELL_VAR *assign_array_from_string __P((char *, char *)); +extern SHELL_VAR *assign_array_var_from_word_list __P((SHELL_VAR *, WORD_LIST *)); +extern SHELL_VAR *assign_array_var_from_string __P((SHELL_VAR *, char *)); +extern int unbind_array_element __P((SHELL_VAR *, char *)); +extern int skipsubscript __P((char *, int)); +extern void print_array_assignment __P((SHELL_VAR *, int)); +#endif + #endif /* !_VARIABLES_H_ */ |