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ed2a22f277
Support += operator. This appends a space and the text on the righthand side to a variable. The timing of the evaluation of the righthand side depends on the flavor of the variable. If the lefthand side was originally defined as a simple variable, the righthand side is expanded immediately. Otherwise, the expansion is deferred. Appending something to an undefined variable results in a recursive variable. To implement this, we need to remember the flavor of variables. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
67 lines
2.5 KiB
C
67 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#include <stdarg.h>
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/* confdata.c */
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void conf_parse(const char *name);
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int conf_read(const char *name);
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int conf_read_simple(const char *name, int);
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int conf_write_defconfig(const char *name);
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int conf_write(const char *name);
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int conf_write_autoconf(void);
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bool conf_get_changed(void);
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void conf_set_changed_callback(void (*fn)(void));
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void conf_set_message_callback(void (*fn)(const char *fmt, va_list ap));
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/* menu.c */
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extern struct menu rootmenu;
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bool menu_is_empty(struct menu *menu);
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bool menu_is_visible(struct menu *menu);
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bool menu_has_prompt(struct menu *menu);
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const char * menu_get_prompt(struct menu *menu);
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struct menu * menu_get_root_menu(struct menu *menu);
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struct menu * menu_get_parent_menu(struct menu *menu);
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bool menu_has_help(struct menu *menu);
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const char * menu_get_help(struct menu *menu);
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struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head);
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void menu_get_ext_help(struct menu *menu, struct gstr *help);
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/* symbol.c */
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extern struct symbol * symbol_hash[SYMBOL_HASHSIZE];
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struct symbol * sym_lookup(const char *name, int flags);
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struct symbol * sym_find(const char *name);
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const char * sym_escape_string_value(const char *in);
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struct symbol ** sym_re_search(const char *pattern);
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const char * sym_type_name(enum symbol_type type);
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void sym_calc_value(struct symbol *sym);
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enum symbol_type sym_get_type(struct symbol *sym);
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bool sym_tristate_within_range(struct symbol *sym,tristate tri);
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bool sym_set_tristate_value(struct symbol *sym,tristate tri);
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tristate sym_toggle_tristate_value(struct symbol *sym);
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bool sym_string_valid(struct symbol *sym, const char *newval);
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bool sym_string_within_range(struct symbol *sym, const char *str);
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bool sym_set_string_value(struct symbol *sym, const char *newval);
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bool sym_is_changable(struct symbol *sym);
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struct property * sym_get_choice_prop(struct symbol *sym);
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const char * sym_get_string_value(struct symbol *sym);
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const char * prop_get_type_name(enum prop_type type);
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/* preprocess.c */
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enum variable_flavor {
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VAR_SIMPLE,
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VAR_RECURSIVE,
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VAR_APPEND,
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};
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void env_write_dep(FILE *f, const char *auto_conf_name);
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void variable_add(const char *name, const char *value,
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enum variable_flavor flavor);
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void variable_all_del(void);
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char *expand_string(const char *in);
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char *expand_dollar(const char **str);
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char *expand_one_token(const char **str);
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/* expr.c */
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void expr_print(struct expr *e, void (*fn)(void *, struct symbol *, const char *), void *data, int prevtoken);
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