/* variables.h -- data structures for shell variables. */
-/* Copyright (C) 1987-2009 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2012 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
#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 att_nameref 0x0000800 /* word is a name reference */
-#define user_attrs (att_exported|att_readonly|att_integer|att_local|att_trace|att_uppercase|att_lowercase|att_capcase)
+#define user_attrs (att_exported|att_readonly|att_integer|att_local|att_trace|att_uppercase|att_lowercase|att_capcase|att_nameref)
#define attmask_user 0x0000fff
#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 nameref_p(var) ((((var)->attributes) & (att_nameref)))
#define invisible_p(var) ((((var)->attributes) & (att_invisible)))
#define non_unsettable_p(var) ((((var)->attributes) & (att_nounset)))
#define function_cell(var) (COMMAND *)((var)->value)
#define array_cell(var) (ARRAY *)((var)->value)
#define assoc_cell(var) (HASH_TABLE *)((var)->value)
+#define nameref_cell(var) ((var)->value) /* so it can change later */
+
+#define NAMEREF_MAX 8 /* only 8 levels of nameref indirection */
#define var_isnull(var) ((var)->value == 0)
#define var_isset(var) ((var)->value != 0)
#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))
+#define var_setref(var, str) ((var)->value = (str))
/* Make VAR be auto-exported. */
#define set_auto_export(var) \
extern SHELL_VAR *find_function __P((const char *));
extern FUNCTION_DEF *find_function_def __P((const char *));
extern SHELL_VAR *find_variable __P((const char *));
+extern SHELL_VAR *find_variable_noref __P((const char *));
+extern SHELL_VAR *find_variable_last_nameref __P((const char *));
+extern SHELL_VAR *find_global_variable_last_nameref __P((const char *));
+extern SHELL_VAR *find_variable_nameref __P((SHELL_VAR *));
extern SHELL_VAR *find_variable_internal __P((const char *, int));
+extern SHELL_VAR *find_variable_tempenv __P((const char *));
+extern SHELL_VAR *find_variable_notempenv __P((const char *));
+extern SHELL_VAR *find_global_variable __P((const char *));
+extern SHELL_VAR *find_global_variable_noref __P((const char *));
+extern SHELL_VAR *find_shell_variable __P((const char *));
extern SHELL_VAR *find_tempenv_variable __P((const char *));
extern SHELL_VAR *copy_variable __P((SHELL_VAR *));
extern SHELL_VAR *make_local_variable __P((const char *));
extern SHELL_VAR *bind_variable __P((const char *, char *, int));
+extern SHELL_VAR *bind_global_variable __P((const char *, char *, int));
extern SHELL_VAR *bind_function __P((const char *, COMMAND *));
extern void bind_function_def __P((const char *, FUNCTION_DEF *));
extern SHELL_VAR *bind_int_variable __P((char *, char *));
extern SHELL_VAR *bind_var_to_int __P((char *, intmax_t));
-extern int assign_in_env __P((WORD_DESC *));
+extern int assign_in_env __P((WORD_DESC *, int));
extern int unbind_variable __P((const char *));
+extern int unbind_nameref __P((const char *));
extern int unbind_func __P((const char *));
extern int unbind_function_def __P((const char *));
+extern int delete_var __P((const char *, VAR_CONTEXT *));
extern int makunbound __P((const char *, VAR_CONTEXT *));
extern int kill_local_variable __P((const char *));
extern void delete_all_variables __P((HASH_TABLE *));
extern void sort_variables __P((SHELL_VAR **));
+extern int chkexport __P((char *));
extern void maybe_make_export_env __P((void));
extern void update_export_env_inplace __P((char *, int, char *));
extern void put_command_name_into_env __P((char *));
#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 *make_local_array_variable __P((char *, int));
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));
+extern ARRAY *save_pipestatus_array __P((void));
+extern void restore_pipestatus_array __P((ARRAY *));
#endif
extern void set_pipestatus_from_exit __P((int));
extern void sv_ifs __P((char *));
extern void sv_path __P((char *));
extern void sv_mail __P((char *));
+extern void sv_funcnest __P((char *));
extern void sv_globignore __P((char *));
extern void sv_ignoreeof __P((char *));
extern void sv_strict_posix __P((char *));
extern void sv_opterr __P((char *));
extern void sv_locale __P((char *));
extern void sv_xtracefd __P((char *));
+extern void sv_shcompat __P((char *));
#if defined (READLINE)
extern void sv_comp_wordbreaks __P((char *));
extern void sv_histtimefmt __P((char *));
#endif /* HISTORY */
-#if defined (HAVE_TZSET) && defined (PROMPT_STRING_DECODE)
+#if defined (HAVE_TZSET)
extern void sv_tz __P((char *));
#endif
+#if defined (JOB_CONTROL)
+extern void sv_childmax __P((char *));
+#endif
+
#endif /* !_VARIABLES_H_ */