+++ /dev/null
-%{
-/*
- * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
- * Released under the terms of the GNU GPL v2.0.
- */
-
-#include <ctype.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdbool.h>
-
-#define printd(mask, fmt...) if (cdebug & (mask)) printf(fmt)
-
-#define PRINTD 0x0001
-#define DEBUG_PARSE 0x0002
-
-int cdebug = PRINTD;
-
-extern int zconflex(void);
-static void zconfprint(const char *err, ...);
-static void zconferror(const char *err);
-static bool zconf_endtoken(int token, int starttoken, int endtoken);
-
-struct symbol *symbol_hash[257];
-
-#define YYERROR_VERBOSE
-%}
-%expect 40
-
-%union
-{
- int token;
- char *string;
- struct symbol *symbol;
- struct expr *expr;
- struct menu *menu;
-}
-
-%token T_MAINMENU
-%token T_MENU
-%token T_ENDMENU
-%token T_SOURCE
-%token T_CHOICE
-%token T_ENDCHOICE
-%token T_COMMENT
-%token T_CONFIG
-%token T_MENUCONFIG
-%token T_HELP
-%token <string> T_HELPTEXT
-%token T_IF
-%token T_ENDIF
-%token T_DEPENDS
-%token T_REQUIRES
-%token T_OPTIONAL
-%token T_PROMPT
-%token T_DEFAULT
-%token T_TRISTATE
-%token T_DEF_TRISTATE
-%token T_BOOLEAN
-%token T_DEF_BOOLEAN
-%token T_STRING
-%token T_INT
-%token T_HEX
-%token <string> T_WORD
-%token <string> T_WORD_QUOTE
-%token T_UNEQUAL
-%token T_EOF
-%token T_EOL
-%token T_CLOSE_PAREN
-%token T_OPEN_PAREN
-%token T_ON
-%token T_SELECT
-%token T_RANGE
-
-%left T_OR
-%left T_AND
-%left T_EQUAL T_UNEQUAL
-%nonassoc T_NOT
-
-%type <string> prompt
-%type <string> source
-%type <symbol> symbol
-%type <expr> expr
-%type <expr> if_expr
-%type <token> end
-
-%{
-#define LKC_DIRECT_LINK
-#include "lkc.h"
-%}
-%%
-input: /* empty */
- | input block
-;
-
-block: common_block
- | choice_stmt
- | menu_stmt
- | T_MAINMENU prompt nl_or_eof
- | T_ENDMENU { zconfprint("unexpected 'endmenu' statement"); }
- | T_ENDIF { zconfprint("unexpected 'endif' statement"); }
- | T_ENDCHOICE { zconfprint("unexpected 'endchoice' statement"); }
- | error nl_or_eof { zconfprint("syntax error"); yyerrok; }
-;
-
-common_block:
- if_stmt
- | comment_stmt
- | config_stmt
- | menuconfig_stmt
- | source_stmt
- | nl_or_eof
-;
-
-
-/* config/menuconfig entry */
-
-config_entry_start: T_CONFIG T_WORD T_EOL
-{
- struct symbol *sym = sym_lookup($2, 0);
- sym->flags |= SYMBOL_OPTIONAL;
- menu_add_entry(sym);
- printd(DEBUG_PARSE, "%s:%d:config %s\n", zconf_curname(), zconf_lineno(), $2);
-};
-
-config_stmt: config_entry_start config_option_list
-{
- menu_end_entry();
- printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
-};
-
-menuconfig_entry_start: T_MENUCONFIG T_WORD T_EOL
-{
- struct symbol *sym = sym_lookup($2, 0);
- sym->flags |= SYMBOL_OPTIONAL;
- menu_add_entry(sym);
- printd(DEBUG_PARSE, "%s:%d:menuconfig %s\n", zconf_curname(), zconf_lineno(), $2);
-};
-
-menuconfig_stmt: menuconfig_entry_start config_option_list
-{
- if (current_entry->prompt)
- current_entry->prompt->type = P_MENU;
- else
- zconfprint("warning: menuconfig statement without prompt");
- menu_end_entry();
- printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
-};
-
-config_option_list:
- /* empty */
- | config_option_list config_option
- | config_option_list depends
- | config_option_list help
- | config_option_list T_EOL
-;
-
-config_option: T_TRISTATE prompt_stmt_opt T_EOL
-{
- menu_set_type(S_TRISTATE);
- printd(DEBUG_PARSE, "%s:%d:tristate\n", zconf_curname(), zconf_lineno());
-};
-
-config_option: T_DEF_TRISTATE expr if_expr T_EOL
-{
- menu_add_expr(P_DEFAULT, $2, $3);
- menu_set_type(S_TRISTATE);
- printd(DEBUG_PARSE, "%s:%d:def_boolean\n", zconf_curname(), zconf_lineno());
-};
-
-config_option: T_BOOLEAN prompt_stmt_opt T_EOL
-{
- menu_set_type(S_BOOLEAN);
- printd(DEBUG_PARSE, "%s:%d:boolean\n", zconf_curname(), zconf_lineno());
-};
-
-config_option: T_DEF_BOOLEAN expr if_expr T_EOL
-{
- menu_add_expr(P_DEFAULT, $2, $3);
- menu_set_type(S_BOOLEAN);
- printd(DEBUG_PARSE, "%s:%d:def_boolean\n", zconf_curname(), zconf_lineno());
-};
-
-config_option: T_INT prompt_stmt_opt T_EOL
-{
- menu_set_type(S_INT);
- printd(DEBUG_PARSE, "%s:%d:int\n", zconf_curname(), zconf_lineno());
-};
-
-config_option: T_HEX prompt_stmt_opt T_EOL
-{
- menu_set_type(S_HEX);
- printd(DEBUG_PARSE, "%s:%d:hex\n", zconf_curname(), zconf_lineno());
-};
-
-config_option: T_STRING prompt_stmt_opt T_EOL
-{
- menu_set_type(S_STRING);
- printd(DEBUG_PARSE, "%s:%d:string\n", zconf_curname(), zconf_lineno());
-};
-
-config_option: T_PROMPT prompt if_expr T_EOL
-{
- menu_add_prompt(P_PROMPT, $2, $3);
- printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
-};
-
-config_option: T_DEFAULT expr if_expr T_EOL
-{
- menu_add_expr(P_DEFAULT, $2, $3);
- printd(DEBUG_PARSE, "%s:%d:default\n", zconf_curname(), zconf_lineno());
-};
-
-config_option: T_SELECT T_WORD if_expr T_EOL
-{
- menu_add_symbol(P_SELECT, sym_lookup($2, 0), $3);
- printd(DEBUG_PARSE, "%s:%d:select\n", zconf_curname(), zconf_lineno());
-};
-
-config_option: T_RANGE symbol symbol if_expr T_EOL
-{
- menu_add_expr(P_RANGE, expr_alloc_comp(E_RANGE,$2, $3), $4);
- printd(DEBUG_PARSE, "%s:%d:range\n", zconf_curname(), zconf_lineno());
-};
-
-/* choice entry */
-
-choice: T_CHOICE T_EOL
-{
- struct symbol *sym = sym_lookup(NULL, 0);
- sym->flags |= SYMBOL_CHOICE;
- menu_add_entry(sym);
- menu_add_expr(P_CHOICE, NULL, NULL);
- printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno());
-};
-
-choice_entry: choice choice_option_list
-{
- menu_end_entry();
- menu_add_menu();
-};
-
-choice_end: end
-{
- if (zconf_endtoken($1, T_CHOICE, T_ENDCHOICE)) {
- menu_end_menu();
- printd(DEBUG_PARSE, "%s:%d:endchoice\n", zconf_curname(), zconf_lineno());
- }
-};
-
-choice_stmt:
- choice_entry choice_block choice_end
- | choice_entry choice_block
-{
- printf("%s:%d: missing 'endchoice' for this 'choice' statement\n", current_menu->file->name, current_menu->lineno);
- zconfnerrs++;
-};
-
-choice_option_list:
- /* empty */
- | choice_option_list choice_option
- | choice_option_list depends
- | choice_option_list help
- | choice_option_list T_EOL
-;
-
-choice_option: T_PROMPT prompt if_expr T_EOL
-{
- menu_add_prompt(P_PROMPT, $2, $3);
- printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
-};
-
-choice_option: T_TRISTATE prompt_stmt_opt T_EOL
-{
- menu_set_type(S_TRISTATE);
- printd(DEBUG_PARSE, "%s:%d:tristate\n", zconf_curname(), zconf_lineno());
-};
-
-choice_option: T_BOOLEAN prompt_stmt_opt T_EOL
-{
- menu_set_type(S_BOOLEAN);
- printd(DEBUG_PARSE, "%s:%d:boolean\n", zconf_curname(), zconf_lineno());
-};
-
-choice_option: T_OPTIONAL T_EOL
-{
- current_entry->sym->flags |= SYMBOL_OPTIONAL;
- printd(DEBUG_PARSE, "%s:%d:optional\n", zconf_curname(), zconf_lineno());
-};
-
-choice_option: T_DEFAULT T_WORD if_expr T_EOL
-{
- menu_add_symbol(P_DEFAULT, sym_lookup($2, 0), $3);
- printd(DEBUG_PARSE, "%s:%d:default\n", zconf_curname(), zconf_lineno());
-};
-
-choice_block:
- /* empty */
- | choice_block common_block
-;
-
-/* if entry */
-
-if: T_IF expr T_EOL
-{
- printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
- menu_add_entry(NULL);
- menu_add_dep($2);
- menu_end_entry();
- menu_add_menu();
-};
-
-if_end: end
-{
- if (zconf_endtoken($1, T_IF, T_ENDIF)) {
- menu_end_menu();
- printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno());
- }
-};
-
-if_stmt:
- if if_block if_end
- | if if_block
-{
- printf("%s:%d: missing 'endif' for this 'if' statement\n", current_menu->file->name, current_menu->lineno);
- zconfnerrs++;
-};
-
-if_block:
- /* empty */
- | if_block common_block
- | if_block menu_stmt
- | if_block choice_stmt
-;
-
-/* menu entry */
-
-menu: T_MENU prompt T_EOL
-{
- menu_add_entry(NULL);
- menu_add_prop(P_MENU, $2, NULL, NULL);
- printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno());
-};
-
-menu_entry: menu depends_list
-{
- menu_end_entry();
- menu_add_menu();
-};
-
-menu_end: end
-{
- if (zconf_endtoken($1, T_MENU, T_ENDMENU)) {
- menu_end_menu();
- printd(DEBUG_PARSE, "%s:%d:endmenu\n", zconf_curname(), zconf_lineno());
- }
-};
-
-menu_stmt:
- menu_entry menu_block menu_end
- | menu_entry menu_block
-{
- printf("%s:%d: missing 'endmenu' for this 'menu' statement\n", current_menu->file->name, current_menu->lineno);
- zconfnerrs++;
-};
-
-menu_block:
- /* empty */
- | menu_block common_block
- | menu_block menu_stmt
- | menu_block choice_stmt
- | menu_block error T_EOL { zconfprint("invalid menu option"); yyerrok; }
-;
-
-source: T_SOURCE prompt T_EOL
-{
- $$ = $2;
- printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), $2);
-};
-
-source_stmt: source
-{
- zconf_nextfile($1);
-};
-
-/* comment entry */
-
-comment: T_COMMENT prompt T_EOL
-{
- menu_add_entry(NULL);
- menu_add_prop(P_COMMENT, $2, NULL, NULL);
- printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno());
-};
-
-comment_stmt: comment depends_list
-{
- menu_end_entry();
-};
-
-/* help option */
-
-help_start: T_HELP T_EOL
-{
- printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno());
- zconf_starthelp();
-};
-
-help: help_start T_HELPTEXT
-{
- current_entry->sym->help = $2;
-};
-
-/* depends option */
-
-depends_list: /* empty */
- | depends_list depends
- | depends_list T_EOL
-;
-
-depends: T_DEPENDS T_ON expr T_EOL
-{
- menu_add_dep($3);
- printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno());
-}
- | T_DEPENDS expr T_EOL
-{
- menu_add_dep($2);
- printd(DEBUG_PARSE, "%s:%d:depends\n", zconf_curname(), zconf_lineno());
-}
- | T_REQUIRES expr T_EOL
-{
- menu_add_dep($2);
- printd(DEBUG_PARSE, "%s:%d:requires\n", zconf_curname(), zconf_lineno());
-};
-
-/* prompt statement */
-
-prompt_stmt_opt:
- /* empty */
- | prompt if_expr
-{
- menu_add_prop(P_PROMPT, $1, NULL, $2);
-};
-
-prompt: T_WORD
- | T_WORD_QUOTE
-;
-
-end: T_ENDMENU nl_or_eof { $$ = T_ENDMENU; }
- | T_ENDCHOICE nl_or_eof { $$ = T_ENDCHOICE; }
- | T_ENDIF nl_or_eof { $$ = T_ENDIF; }
-;
-
-nl_or_eof:
- T_EOL | T_EOF;
-
-if_expr: /* empty */ { $$ = NULL; }
- | T_IF expr { $$ = $2; }
-;
-
-expr: symbol { $$ = expr_alloc_symbol($1); }
- | symbol T_EQUAL symbol { $$ = expr_alloc_comp(E_EQUAL, $1, $3); }
- | symbol T_UNEQUAL symbol { $$ = expr_alloc_comp(E_UNEQUAL, $1, $3); }
- | T_OPEN_PAREN expr T_CLOSE_PAREN { $$ = $2; }
- | T_NOT expr { $$ = expr_alloc_one(E_NOT, $2); }
- | expr T_OR expr { $$ = expr_alloc_two(E_OR, $1, $3); }
- | expr T_AND expr { $$ = expr_alloc_two(E_AND, $1, $3); }
-;
-
-symbol: T_WORD { $$ = sym_lookup($1, 0); free($1); }
- | T_WORD_QUOTE { $$ = sym_lookup($1, 1); free($1); }
-;
-
-%%
-
-void conf_parse(const char *name)
-{
- struct symbol *sym;
- int i;
-
- zconf_initscan(name);
-
- sym_init();
- menu_init();
- modules_sym = sym_lookup("MODULES", 0);
- rootmenu.prompt = menu_add_prop(P_MENU, "Buildroot Configuration", NULL, NULL);
-
- //zconfdebug = 1;
- zconfparse();
- if (zconfnerrs)
- exit(1);
- menu_finalize(&rootmenu);
- for_all_symbols(i, sym) {
- if (!(sym->flags & SYMBOL_CHECKED) && sym_check_deps(sym))
- printf("\n");
- else
- sym->flags |= SYMBOL_CHECK_DONE;
- }
-
- sym_change_count = 1;
-}
-
-const char *zconf_tokenname(int token)
-{
- switch (token) {
- case T_MENU: return "menu";
- case T_ENDMENU: return "endmenu";
- case T_CHOICE: return "choice";
- case T_ENDCHOICE: return "endchoice";
- case T_IF: return "if";
- case T_ENDIF: return "endif";
- }
- return "<token>";
-}
-
-static bool zconf_endtoken(int token, int starttoken, int endtoken)
-{
- if (token != endtoken) {
- zconfprint("unexpected '%s' within %s block", zconf_tokenname(token), zconf_tokenname(starttoken));
- zconfnerrs++;
- return false;
- }
- if (current_menu->file != current_file) {
- zconfprint("'%s' in different file than '%s'", zconf_tokenname(token), zconf_tokenname(starttoken));
- zconfprint("location of the '%s'", 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() + 1);
- 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);
-}
-
-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);
-}
-
-void print_symbol(FILE *out, struct menu *menu)
-{
- struct symbol *sym = menu->sym;
- struct property *prop;
-
- if (sym_is_choice(sym))
- fprintf(out, "choice\n");
- else
- fprintf(out, "config %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;
- default:
- fprintf(out, " unknown prop %d!\n", prop->type);
- break;
- }
- }
- if (sym->help) {
- int len = strlen(sym->help);
- while (sym->help[--len] == '\n')
- sym->help[len] = 0;
- fprintf(out, " help\n%s\n", sym->help);
- }
- fputc('\n', out);
-}
-
-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);
- }
- fputs("\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 "lex.zconf.c"
-#include "confdata.c"
-#include "expr.c"
-#include "symbol.c"
-#include "menu.c"
projects / openwrt.git / blobdiff