Imported from ../bash-2.0.tar.gz.

[platform/upstream/bash.git] / variables.h

diff --git a/variables.h b/variables.h
index 8f4ef3e..cdeed92 100644 (file)
--- 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_ */