mirror of https://github.com/Desuuuu/klipper.git
734 lines
15 KiB
Plaintext
734 lines
15 KiB
Plaintext
%{
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/*
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* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
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* Released under the terms of the GNU GPL v2.0.
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*/
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#include <ctype.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdbool.h>
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#include "lkc.h"
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#define printd(mask, fmt...) if (cdebug & (mask)) printf(fmt)
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#define PRINTD 0x0001
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#define DEBUG_PARSE 0x0002
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int cdebug = PRINTD;
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extern int zconflex(void);
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static void zconfprint(const char *err, ...);
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static void zconf_error(const char *err, ...);
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static void zconferror(const char *err);
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static bool zconf_endtoken(const struct kconf_id *id, int starttoken, int endtoken);
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struct symbol *symbol_hash[SYMBOL_HASHSIZE];
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static struct menu *current_menu, *current_entry;
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%}
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%expect 30
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%union
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{
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char *string;
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struct file *file;
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struct symbol *symbol;
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struct expr *expr;
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struct menu *menu;
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const struct kconf_id *id;
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}
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%token <id>T_MAINMENU
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%token <id>T_MENU
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%token <id>T_ENDMENU
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%token <id>T_SOURCE
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%token <id>T_CHOICE
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%token <id>T_ENDCHOICE
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%token <id>T_COMMENT
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%token <id>T_CONFIG
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%token <id>T_MENUCONFIG
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%token <id>T_HELP
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%token <string> T_HELPTEXT
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%token <id>T_IF
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%token <id>T_ENDIF
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%token <id>T_DEPENDS
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%token <id>T_OPTIONAL
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%token <id>T_PROMPT
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%token <id>T_TYPE
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%token <id>T_DEFAULT
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%token <id>T_SELECT
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%token <id>T_RANGE
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%token <id>T_VISIBLE
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%token <id>T_OPTION
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%token <id>T_ON
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%token <string> T_WORD
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%token <string> T_WORD_QUOTE
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%token T_UNEQUAL
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%token T_CLOSE_PAREN
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%token T_OPEN_PAREN
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%token T_EOL
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%left T_OR
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%left T_AND
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%left T_EQUAL T_UNEQUAL
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%nonassoc T_NOT
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%type <string> prompt
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%type <symbol> symbol
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%type <expr> expr
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%type <expr> if_expr
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%type <id> end
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%type <id> option_name
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%type <menu> if_entry menu_entry choice_entry
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%type <string> symbol_option_arg word_opt
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%destructor {
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fprintf(stderr, "%s:%d: missing end statement for this entry\n",
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$$->file->name, $$->lineno);
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if (current_menu == $$)
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menu_end_menu();
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} if_entry menu_entry choice_entry
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%{
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/* Include zconf.hash.c here so it can see the token constants. */
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#include "zconf.hash.c"
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%}
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%%
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input: nl start | start;
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start: mainmenu_stmt stmt_list | stmt_list;
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stmt_list:
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/* empty */
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| stmt_list common_stmt
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| stmt_list choice_stmt
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| stmt_list menu_stmt
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| stmt_list end { zconf_error("unexpected end statement"); }
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| stmt_list T_WORD error T_EOL { zconf_error("unknown statement \"%s\"", $2); }
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| stmt_list option_name error T_EOL
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{
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zconf_error("unexpected option \"%s\"", kconf_id_strings + $2->name);
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}
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| stmt_list error T_EOL { zconf_error("invalid statement"); }
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;
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option_name:
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T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_OPTIONAL | T_RANGE | T_DEFAULT | T_VISIBLE
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;
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common_stmt:
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T_EOL
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| if_stmt
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| comment_stmt
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| config_stmt
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| menuconfig_stmt
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| source_stmt
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;
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option_error:
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T_WORD error T_EOL { zconf_error("unknown option \"%s\"", $1); }
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| error T_EOL { zconf_error("invalid option"); }
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;
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/* config/menuconfig entry */
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config_entry_start: T_CONFIG T_WORD T_EOL
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{
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struct symbol *sym = sym_lookup($2, 0);
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sym->flags |= SYMBOL_OPTIONAL;
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menu_add_entry(sym);
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printd(DEBUG_PARSE, "%s:%d:config %s\n", zconf_curname(), zconf_lineno(), $2);
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};
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config_stmt: config_entry_start config_option_list
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{
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menu_end_entry();
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printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
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};
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menuconfig_entry_start: T_MENUCONFIG T_WORD T_EOL
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{
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struct symbol *sym = sym_lookup($2, 0);
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sym->flags |= SYMBOL_OPTIONAL;
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menu_add_entry(sym);
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printd(DEBUG_PARSE, "%s:%d:menuconfig %s\n", zconf_curname(), zconf_lineno(), $2);
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};
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menuconfig_stmt: menuconfig_entry_start config_option_list
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{
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if (current_entry->prompt)
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current_entry->prompt->type = P_MENU;
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else
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zconfprint("warning: menuconfig statement without prompt");
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menu_end_entry();
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printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
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};
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config_option_list:
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/* empty */
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| config_option_list config_option
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| config_option_list symbol_option
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| config_option_list depends
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| config_option_list help
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| config_option_list option_error
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| config_option_list T_EOL
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;
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config_option: T_TYPE prompt_stmt_opt T_EOL
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{
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menu_set_type($1->stype);
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printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
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zconf_curname(), zconf_lineno(),
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$1->stype);
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};
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config_option: T_PROMPT prompt if_expr T_EOL
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{
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menu_add_prompt(P_PROMPT, $2, $3);
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printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
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};
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config_option: T_DEFAULT expr if_expr T_EOL
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{
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menu_add_expr(P_DEFAULT, $2, $3);
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if ($1->stype != S_UNKNOWN)
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menu_set_type($1->stype);
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printd(DEBUG_PARSE, "%s:%d:default(%u)\n",
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zconf_curname(), zconf_lineno(),
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$1->stype);
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};
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config_option: T_SELECT T_WORD if_expr T_EOL
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{
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menu_add_symbol(P_SELECT, sym_lookup($2, 0), $3);
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printd(DEBUG_PARSE, "%s:%d:select\n", zconf_curname(), zconf_lineno());
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};
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config_option: T_RANGE symbol symbol if_expr T_EOL
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{
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menu_add_expr(P_RANGE, expr_alloc_comp(E_RANGE,$2, $3), $4);
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printd(DEBUG_PARSE, "%s:%d:range\n", zconf_curname(), zconf_lineno());
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};
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symbol_option: T_OPTION symbol_option_list T_EOL
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;
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symbol_option_list:
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/* empty */
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| symbol_option_list T_WORD symbol_option_arg
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{
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const struct kconf_id *id = kconf_id_lookup($2, strlen($2));
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if (id && id->flags & TF_OPTION)
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menu_add_option(id->token, $3);
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else
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zconfprint("warning: ignoring unknown option %s", $2);
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free($2);
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};
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symbol_option_arg:
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/* empty */ { $$ = NULL; }
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| T_EQUAL prompt { $$ = $2; }
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;
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/* choice entry */
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choice: T_CHOICE word_opt T_EOL
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{
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struct symbol *sym = sym_lookup($2, SYMBOL_CHOICE);
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sym->flags |= SYMBOL_AUTO;
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menu_add_entry(sym);
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menu_add_expr(P_CHOICE, NULL, NULL);
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printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno());
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};
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choice_entry: choice choice_option_list
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{
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$$ = menu_add_menu();
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};
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choice_end: end
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{
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if (zconf_endtoken($1, T_CHOICE, T_ENDCHOICE)) {
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menu_end_menu();
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printd(DEBUG_PARSE, "%s:%d:endchoice\n", zconf_curname(), zconf_lineno());
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}
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};
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choice_stmt: choice_entry choice_block choice_end
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;
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choice_option_list:
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/* empty */
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| choice_option_list choice_option
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| choice_option_list depends
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| choice_option_list help
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| choice_option_list T_EOL
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| choice_option_list option_error
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;
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choice_option: T_PROMPT prompt if_expr T_EOL
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{
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menu_add_prompt(P_PROMPT, $2, $3);
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printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
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};
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choice_option: T_TYPE prompt_stmt_opt T_EOL
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{
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if ($1->stype == S_BOOLEAN || $1->stype == S_TRISTATE) {
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menu_set_type($1->stype);
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printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
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zconf_curname(), zconf_lineno(),
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$1->stype);
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} else
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YYERROR;
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};
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choice_option: T_OPTIONAL T_EOL
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{
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current_entry->sym->flags |= SYMBOL_OPTIONAL;
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printd(DEBUG_PARSE, "%s:%d:optional\n", zconf_curname(), zconf_lineno());
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};
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choice_option: T_DEFAULT T_WORD if_expr T_EOL
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{
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if ($1->stype == S_UNKNOWN) {
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menu_add_symbol(P_DEFAULT, sym_lookup($2, 0), $3);
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printd(DEBUG_PARSE, "%s:%d:default\n",
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zconf_curname(), zconf_lineno());
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} else
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YYERROR;
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};
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choice_block:
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/* empty */
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| choice_block common_stmt
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;
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/* if entry */
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if_entry: T_IF expr nl
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{
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printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
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menu_add_entry(NULL);
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menu_add_dep($2);
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$$ = menu_add_menu();
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};
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if_end: end
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{
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if (zconf_endtoken($1, T_IF, T_ENDIF)) {
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menu_end_menu();
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printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno());
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}
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};
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if_stmt: if_entry if_block if_end
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;
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if_block:
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/* empty */
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| if_block common_stmt
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| if_block menu_stmt
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| if_block choice_stmt
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;
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/* mainmenu entry */
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mainmenu_stmt: T_MAINMENU prompt nl
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{
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menu_add_prompt(P_MENU, $2, NULL);
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};
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/* menu entry */
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menu: T_MENU prompt T_EOL
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{
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menu_add_entry(NULL);
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menu_add_prompt(P_MENU, $2, NULL);
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printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno());
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};
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menu_entry: menu visibility_list depends_list
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{
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$$ = menu_add_menu();
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};
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menu_end: end
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{
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if (zconf_endtoken($1, T_MENU, T_ENDMENU)) {
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menu_end_menu();
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printd(DEBUG_PARSE, "%s:%d:endmenu\n", zconf_curname(), zconf_lineno());
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}
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};
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menu_stmt: menu_entry menu_block menu_end
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;
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menu_block:
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/* empty */
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| menu_block common_stmt
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| menu_block menu_stmt
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| menu_block choice_stmt
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;
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source_stmt: T_SOURCE prompt T_EOL
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{
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printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), $2);
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zconf_nextfile($2);
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};
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/* comment entry */
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comment: T_COMMENT prompt T_EOL
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{
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menu_add_entry(NULL);
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menu_add_prompt(P_COMMENT, $2, NULL);
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printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno());
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};
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comment_stmt: comment depends_list
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{
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menu_end_entry();
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};
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/* help option */
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help_start: T_HELP T_EOL
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{
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printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno());
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zconf_starthelp();
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};
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help: help_start T_HELPTEXT
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{
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current_entry->help = $2;
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};
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/* depends option */
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depends_list:
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/* empty */
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| depends_list depends
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| depends_list T_EOL
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| depends_list option_error
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;
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depends: T_DEPENDS T_ON expr T_EOL
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{
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menu_add_dep($3);
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printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno());
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};
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/* visibility option */
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visibility_list:
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/* empty */
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| visibility_list visible
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| visibility_list T_EOL
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;
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visible: T_VISIBLE if_expr
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{
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menu_add_visibility($2);
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};
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/* prompt statement */
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prompt_stmt_opt:
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/* empty */
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| prompt if_expr
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{
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menu_add_prompt(P_PROMPT, $1, $2);
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};
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prompt: T_WORD
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| T_WORD_QUOTE
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;
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end: T_ENDMENU T_EOL { $$ = $1; }
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| T_ENDCHOICE T_EOL { $$ = $1; }
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| T_ENDIF T_EOL { $$ = $1; }
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;
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nl:
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T_EOL
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| nl T_EOL
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;
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if_expr: /* empty */ { $$ = NULL; }
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| T_IF expr { $$ = $2; }
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;
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expr: symbol { $$ = expr_alloc_symbol($1); }
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| symbol T_EQUAL symbol { $$ = expr_alloc_comp(E_EQUAL, $1, $3); }
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| symbol T_UNEQUAL symbol { $$ = expr_alloc_comp(E_UNEQUAL, $1, $3); }
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| T_OPEN_PAREN expr T_CLOSE_PAREN { $$ = $2; }
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| T_NOT expr { $$ = expr_alloc_one(E_NOT, $2); }
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| expr T_OR expr { $$ = expr_alloc_two(E_OR, $1, $3); }
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| expr T_AND expr { $$ = expr_alloc_two(E_AND, $1, $3); }
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;
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symbol: T_WORD { $$ = sym_lookup($1, 0); free($1); }
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| T_WORD_QUOTE { $$ = sym_lookup($1, SYMBOL_CONST); free($1); }
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;
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word_opt: /* empty */ { $$ = NULL; }
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| T_WORD
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%%
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void conf_parse(const char *name)
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{
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struct symbol *sym;
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int i;
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zconf_initscan(name);
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sym_init();
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_menu_init();
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rootmenu.prompt = menu_add_prompt(P_MENU, "Linux Kernel Configuration", NULL);
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if (getenv("ZCONF_DEBUG"))
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zconfdebug = 1;
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zconfparse();
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if (zconfnerrs)
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exit(1);
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if (!modules_sym)
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modules_sym = sym_find( "n" );
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rootmenu.prompt->text = _(rootmenu.prompt->text);
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rootmenu.prompt->text = sym_expand_string_value(rootmenu.prompt->text);
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menu_finalize(&rootmenu);
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for_all_symbols(i, sym) {
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if (sym_check_deps(sym))
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zconfnerrs++;
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}
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if (zconfnerrs)
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exit(1);
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sym_set_change_count(1);
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}
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static const char *zconf_tokenname(int token)
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{
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switch (token) {
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case T_MENU: return "menu";
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case T_ENDMENU: return "endmenu";
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case T_CHOICE: return "choice";
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case T_ENDCHOICE: return "endchoice";
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case T_IF: return "if";
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case T_ENDIF: return "endif";
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case T_DEPENDS: return "depends";
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case T_VISIBLE: return "visible";
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}
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return "<token>";
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}
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static bool zconf_endtoken(const struct kconf_id *id, int starttoken, int endtoken)
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{
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if (id->token != endtoken) {
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zconf_error("unexpected '%s' within %s block",
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kconf_id_strings + id->name, zconf_tokenname(starttoken));
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zconfnerrs++;
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return false;
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|
}
|
|
if (current_menu->file != current_file) {
|
|
zconf_error("'%s' in different file than '%s'",
|
|
kconf_id_strings + id->name, zconf_tokenname(starttoken));
|
|
fprintf(stderr, "%s:%d: location of the '%s'\n",
|
|
current_menu->file->name, current_menu->lineno,
|
|
zconf_tokenname(starttoken));
|
|
zconfnerrs++;
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static void zconfprint(const char *err, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
|
|
va_start(ap, err);
|
|
vfprintf(stderr, err, ap);
|
|
va_end(ap);
|
|
fprintf(stderr, "\n");
|
|
}
|
|
|
|
static void zconf_error(const char *err, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
zconfnerrs++;
|
|
fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
|
|
va_start(ap, err);
|
|
vfprintf(stderr, err, ap);
|
|
va_end(ap);
|
|
fprintf(stderr, "\n");
|
|
}
|
|
|
|
static void zconferror(const char *err)
|
|
{
|
|
fprintf(stderr, "%s:%d: %s\n", zconf_curname(), zconf_lineno() + 1, err);
|
|
}
|
|
|
|
static void print_quoted_string(FILE *out, const char *str)
|
|
{
|
|
const char *p;
|
|
int len;
|
|
|
|
putc('"', out);
|
|
while ((p = strchr(str, '"'))) {
|
|
len = p - str;
|
|
if (len)
|
|
fprintf(out, "%.*s", len, str);
|
|
fputs("\\\"", out);
|
|
str = p + 1;
|
|
}
|
|
fputs(str, out);
|
|
putc('"', out);
|
|
}
|
|
|
|
static void print_symbol(FILE *out, struct menu *menu)
|
|
{
|
|
struct symbol *sym = menu->sym;
|
|
struct property *prop;
|
|
|
|
if (sym_is_choice(sym))
|
|
fprintf(out, "\nchoice\n");
|
|
else
|
|
fprintf(out, "\nconfig %s\n", sym->name);
|
|
switch (sym->type) {
|
|
case S_BOOLEAN:
|
|
fputs(" boolean\n", out);
|
|
break;
|
|
case S_TRISTATE:
|
|
fputs(" tristate\n", out);
|
|
break;
|
|
case S_STRING:
|
|
fputs(" string\n", out);
|
|
break;
|
|
case S_INT:
|
|
fputs(" integer\n", out);
|
|
break;
|
|
case S_HEX:
|
|
fputs(" hex\n", out);
|
|
break;
|
|
default:
|
|
fputs(" ???\n", out);
|
|
break;
|
|
}
|
|
for (prop = sym->prop; prop; prop = prop->next) {
|
|
if (prop->menu != menu)
|
|
continue;
|
|
switch (prop->type) {
|
|
case P_PROMPT:
|
|
fputs(" prompt ", out);
|
|
print_quoted_string(out, prop->text);
|
|
if (!expr_is_yes(prop->visible.expr)) {
|
|
fputs(" if ", out);
|
|
expr_fprint(prop->visible.expr, out);
|
|
}
|
|
fputc('\n', out);
|
|
break;
|
|
case P_DEFAULT:
|
|
fputs( " default ", out);
|
|
expr_fprint(prop->expr, out);
|
|
if (!expr_is_yes(prop->visible.expr)) {
|
|
fputs(" if ", out);
|
|
expr_fprint(prop->visible.expr, out);
|
|
}
|
|
fputc('\n', out);
|
|
break;
|
|
case P_CHOICE:
|
|
fputs(" #choice value\n", out);
|
|
break;
|
|
case P_SELECT:
|
|
fputs( " select ", out);
|
|
expr_fprint(prop->expr, out);
|
|
fputc('\n', out);
|
|
break;
|
|
case P_RANGE:
|
|
fputs( " range ", out);
|
|
expr_fprint(prop->expr, out);
|
|
fputc('\n', out);
|
|
break;
|
|
case P_MENU:
|
|
fputs( " menu ", out);
|
|
print_quoted_string(out, prop->text);
|
|
fputc('\n', out);
|
|
break;
|
|
default:
|
|
fprintf(out, " unknown prop %d!\n", prop->type);
|
|
break;
|
|
}
|
|
}
|
|
if (menu->help) {
|
|
int len = strlen(menu->help);
|
|
while (menu->help[--len] == '\n')
|
|
menu->help[len] = 0;
|
|
fprintf(out, " help\n%s\n", menu->help);
|
|
}
|
|
}
|
|
|
|
void zconfdump(FILE *out)
|
|
{
|
|
struct property *prop;
|
|
struct symbol *sym;
|
|
struct menu *menu;
|
|
|
|
menu = rootmenu.list;
|
|
while (menu) {
|
|
if ((sym = menu->sym))
|
|
print_symbol(out, menu);
|
|
else if ((prop = menu->prompt)) {
|
|
switch (prop->type) {
|
|
case P_COMMENT:
|
|
fputs("\ncomment ", out);
|
|
print_quoted_string(out, prop->text);
|
|
fputs("\n", out);
|
|
break;
|
|
case P_MENU:
|
|
fputs("\nmenu ", out);
|
|
print_quoted_string(out, prop->text);
|
|
fputs("\n", out);
|
|
break;
|
|
default:
|
|
;
|
|
}
|
|
if (!expr_is_yes(prop->visible.expr)) {
|
|
fputs(" depends ", out);
|
|
expr_fprint(prop->visible.expr, out);
|
|
fputc('\n', out);
|
|
}
|
|
}
|
|
|
|
if (menu->list)
|
|
menu = menu->list;
|
|
else if (menu->next)
|
|
menu = menu->next;
|
|
else while ((menu = menu->parent)) {
|
|
if (menu->prompt && menu->prompt->type == P_MENU)
|
|
fputs("\nendmenu\n", out);
|
|
if (menu->next) {
|
|
menu = menu->next;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#include "zconf.lex.c"
|
|
#include "util.c"
|
|
#include "confdata.c"
|
|
#include "expr.c"
|
|
#include "symbol.c"
|
|
#include "menu.c"
|