diff options
Diffstat (limited to 'scripts/config/zconf.y')
| -rw-r--r-- | scripts/config/zconf.y | 754 |
1 files changed, 0 insertions, 754 deletions
diff --git a/scripts/config/zconf.y b/scripts/config/zconf.y deleted file mode 100644 index 81645a75b0..0000000000 --- a/scripts/config/zconf.y +++ /dev/null @@ -1,754 +0,0 @@ -%{ -/* - * 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> - -#include "lkc.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 zconf_error(const char *err, ...); -static void zconferror(const char *err); -static bool zconf_endtoken(const struct kconf_id *id, int starttoken, int endtoken); - -struct symbol *symbol_hash[SYMBOL_HASHSIZE]; - -static struct menu *current_menu, *current_entry; - -%} -%expect 30 - -%union -{ - char *string; - struct file *file; - struct symbol *symbol; - struct expr *expr; - struct menu *menu; - const struct kconf_id *id; -} - -%token <id>T_MAINMENU -%token <id>T_MENU -%token <id>T_ENDMENU -%token <id>T_SOURCE -%token <id>T_CHOICE -%token <id>T_ENDCHOICE -%token <id>T_COMMENT -%token <id>T_CONFIG -%token <id>T_MENUCONFIG -%token <id>T_HELP -%token <string> T_HELPTEXT -%token <id>T_IF -%token <id>T_ENDIF -%token <id>T_DEPENDS -%token <id>T_OPTIONAL -%token <id>T_PROMPT -%token <id>T_TYPE -%token <id>T_DEFAULT -%token <id>T_SELECT -%token <id>T_RANGE -%token <id>T_VISIBLE -%token <id>T_OPTION -%token <id>T_ON -%token <id>T_RESET -%token <string> T_WORD -%token <string> T_WORD_QUOTE -%token T_UNEQUAL -%token T_LESS -%token T_LESS_EQUAL -%token T_GREATER -%token T_GREATER_EQUAL -%token T_CLOSE_PAREN -%token T_OPEN_PAREN -%token T_EOL - -%left T_OR -%left T_AND -%left T_EQUAL T_UNEQUAL -%left T_LESS T_LESS_EQUAL T_GREATER T_GREATER_EQUAL -%nonassoc T_NOT - -%type <string> prompt -%type <symbol> symbol -%type <expr> expr -%type <expr> if_expr -%type <id> end -%type <id> option_name -%type <menu> if_entry menu_entry choice_entry -%type <string> symbol_option_arg word_opt - -%destructor { - fprintf(stderr, "%s:%d: missing end statement for this entry\n", - $$->file->name, $$->lineno); - if (current_menu == $$) - menu_end_menu(); -} if_entry menu_entry choice_entry - -%{ -/* Include zconf.hash.c here so it can see the token constants. */ -#include "zconf.hash.c" -%} - -%% -input: nl start | start; - -start: mainmenu_stmt stmt_list | stmt_list; - -stmt_list: - /* empty */ - | stmt_list common_stmt - | stmt_list choice_stmt - | stmt_list menu_stmt - | stmt_list end { zconf_error("unexpected end statement"); } - | stmt_list T_WORD error T_EOL { zconf_error("unknown statement \"%s\"", $2); } - | stmt_list option_name error T_EOL -{ - zconf_error("unexpected option \"%s\"", kconf_id_strings + $2->name); -} - | stmt_list error T_EOL { zconf_error("invalid statement"); } -; - -option_name: - T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_OPTIONAL | T_RANGE | T_DEFAULT | T_VISIBLE | T_RESET -; - -common_stmt: - T_EOL - | if_stmt - | comment_stmt - | config_stmt - | menuconfig_stmt - | source_stmt -; - -option_error: - T_WORD error T_EOL { zconf_error("unknown option \"%s\"", $1); } - | error T_EOL { zconf_error("invalid option"); } -; - - -/* 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 symbol_option - | config_option_list depends - | config_option_list help - | config_option_list option_error - | config_option_list T_EOL -; - -config_option: T_TYPE prompt_stmt_opt T_EOL -{ - menu_set_type($1->stype); - printd(DEBUG_PARSE, "%s:%d:type(%u)\n", - zconf_curname(), zconf_lineno(), - $1->stype); -}; - -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); - if ($1->stype != S_UNKNOWN) - menu_set_type($1->stype); - printd(DEBUG_PARSE, "%s:%d:default(%u)\n", - zconf_curname(), zconf_lineno(), - $1->stype); -}; - -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()); -}; - -symbol_option: T_OPTION symbol_option_list T_EOL -; - -symbol_option_list: - /* empty */ - | symbol_option_list T_WORD symbol_option_arg -{ - const struct kconf_id *id = kconf_id_lookup($2, strlen($2)); - if (id && id->flags & TF_OPTION) - menu_add_option(id->token, $3); - else - zconfprint("warning: ignoring unknown option %s", $2); - free($2); -}; - -symbol_option_arg: - /* empty */ { $$ = NULL; } - | T_EQUAL prompt { $$ = $2; } -; - -/* choice entry */ - -choice: T_CHOICE word_opt T_EOL -{ - struct symbol *sym = sym_lookup($2, SYMBOL_CHOICE); - sym->flags |= SYMBOL_AUTO; - menu_add_entry(sym); - menu_add_expr(P_CHOICE, NULL, NULL); - printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno()); -}; - -choice_entry: choice choice_option_list -{ - $$ = menu_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_option_list: - /* empty */ - | choice_option_list choice_option - | choice_option_list depends - | choice_option_list help - | choice_option_list T_EOL - | choice_option_list option_error -; - -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_TYPE prompt_stmt_opt T_EOL -{ - if ($1->stype == S_BOOLEAN || $1->stype == S_TRISTATE) { - menu_set_type($1->stype); - printd(DEBUG_PARSE, "%s:%d:type(%u)\n", - zconf_curname(), zconf_lineno(), - $1->stype); - } else - YYERROR; -}; - -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_RESET if_expr T_EOL -{ - menu_add_prop(P_RESET, NULL, NULL, $2); -}; - -choice_option: T_DEFAULT T_WORD if_expr T_EOL -{ - if ($1->stype == S_UNKNOWN) { - menu_add_symbol(P_DEFAULT, sym_lookup($2, 0), $3); - printd(DEBUG_PARSE, "%s:%d:default\n", - zconf_curname(), zconf_lineno()); - } else - YYERROR; -}; - -choice_block: - /* empty */ - | choice_block common_stmt -; - -/* if entry */ - -if_entry: T_IF expr nl -{ - printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno()); - menu_add_entry(NULL); - menu_add_dep($2); - $$ = menu_add_menu(); -}; - -if_end: end -{ - if (zconf_endtoken($1, T_IF, T_ENDIF)) { - menu_end_menu(); - printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno()); - } -}; - -if_stmt: if_entry if_block if_end -; - -if_block: - /* empty */ - | if_block common_stmt - | if_block menu_stmt - | if_block choice_stmt -; - -/* mainmenu entry */ - -mainmenu_stmt: T_MAINMENU prompt nl -{ - menu_add_prompt(P_MENU, $2, NULL); -}; - -/* menu entry */ - -menu: T_MENU prompt T_EOL -{ - menu_add_entry(NULL); - menu_add_prompt(P_MENU, $2, NULL); - printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno()); -}; - -menu_entry: menu visibility_list depends_list -{ - $$ = 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_block: - /* empty */ - | menu_block common_stmt - | menu_block menu_stmt - | menu_block choice_stmt -; - -source_stmt: T_SOURCE prompt T_EOL -{ - printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), $2); - zconf_nextfile($2); -}; - -/* comment entry */ - -comment: T_COMMENT prompt T_EOL -{ - menu_add_entry(NULL); - menu_add_prompt(P_COMMENT, $2, 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->help = $2; -}; - -/* depends option */ - -depends_list: - /* empty */ - | depends_list depends - | depends_list T_EOL - | depends_list option_error -; - -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); - zconfprint("warning: deprecated 'depends' syntax, use 'depends on' instead."); -}; - -/* visibility option */ - -visibility_list: - /* empty */ - | visibility_list visible - | visibility_list T_EOL -; - -visible: T_VISIBLE if_expr -{ - menu_add_visibility($2); -}; - -/* prompt statement */ - -prompt_stmt_opt: - /* empty */ - | prompt if_expr -{ - menu_add_prompt(P_PROMPT, $1, $2); -}; - -prompt: T_WORD - | T_WORD_QUOTE -; - -end: T_ENDMENU T_EOL { $$ = $1; } - | T_ENDCHOICE T_EOL { $$ = $1; } - | T_ENDIF T_EOL { $$ = $1; } -; - -nl: - T_EOL - | nl T_EOL -; - -if_expr: /* empty */ { $$ = NULL; } - | T_IF expr { $$ = $2; } -; - -expr: symbol { $$ = expr_alloc_symbol($1); } - | symbol T_LESS symbol { $$ = expr_alloc_comp(E_LTH, $1, $3); } - | symbol T_LESS_EQUAL symbol { $$ = expr_alloc_comp(E_LEQ, $1, $3); } - | symbol T_GREATER symbol { $$ = expr_alloc_comp(E_GTH, $1, $3); } - | symbol T_GREATER_EQUAL symbol { $$ = expr_alloc_comp(E_GEQ, $1, $3); } - | 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, SYMBOL_CONST); free($1); } -; - -word_opt: /* empty */ { $$ = NULL; } - | T_WORD - -%% - -void conf_parse(const char *name) -{ - struct symbol *sym; - int i; - - zconf_initscan(name); - - sym_init(); - _menu_init(); - rootmenu.prompt = menu_add_prompt(P_MENU, "Linux Kernel Configuration", NULL); - -#if YYDEBUG - if (getenv("ZCONF_DEBUG")) - zconfdebug = 1; -#endif - zconfparse(); - if (zconfnerrs) - exit(1); - if (!modules_sym) - modules_sym = sym_find( "n" ); - - rootmenu.prompt->text = _(rootmenu.prompt->text); - rootmenu.prompt->text = sym_expand_string_value(rootmenu.prompt->text); - - menu_finalize(&rootmenu); - for_all_symbols(i, sym) { - if (sym_check_deps(sym)) - zconfnerrs++; - } - if (zconfnerrs) - exit(1); - sym_set_change_count(1); -} - -static 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"; - case T_DEPENDS: return "depends"; - case T_VISIBLE: return "visible"; - } - return "<token>"; -} - -static bool zconf_endtoken(const struct kconf_id *id, int starttoken, int endtoken) -{ - if (id->token != endtoken) { - zconf_error("unexpected '%s' within %s block", - kconf_id_strings + id->name, zconf_tokenname(starttoken)); - zconfnerrs++; - return false; - } - 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" |