+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
- */
-%{
-
-#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;
-
-static void yyerror(const char *err);
-static void zconfprint(const char *err, ...);
-static void zconf_error(const char *err, ...);
-static bool zconf_endtoken(const char *tokenname,
- const char *expected_tokenname);
-
-struct symbol *symbol_hash[SYMBOL_HASHSIZE];
-
-static struct menu *current_menu, *current_entry;
-
-%}
-
-%union
-{
- char *string;
- struct symbol *symbol;
- struct expr *expr;
- struct menu *menu;
- enum symbol_type type;
- enum variable_flavor flavor;
-}
-
-%token <string> T_HELPTEXT
-%token <string> T_WORD
-%token <string> T_WORD_QUOTE
-%token T_ALLNOCONFIG_Y
-%token T_BOOL
-%token T_CHOICE
-%token T_CLOSE_PAREN
-%token T_COLON_EQUAL
-%token T_COMMENT
-%token T_CONFIG
-%token T_DEFAULT
-%token T_DEFCONFIG_LIST
-%token T_DEF_BOOL
-%token T_DEF_TRISTATE
-%token T_DEPENDS
-%token T_ENDCHOICE
-%token T_ENDIF
-%token T_ENDMENU
-%token T_HELP
-%token T_HEX
-%token T_IF
-%token T_IMPLY
-%token T_INT
-%token T_MAINMENU
-%token T_MENU
-%token T_MENUCONFIG
-%token T_MODULES
-%token T_ON
-%token T_OPEN_PAREN
-%token T_OPTION
-%token T_OPTIONAL
-%token T_PLUS_EQUAL
-%token T_PROMPT
-%token T_RANGE
-%token T_SELECT
-%token T_SOURCE
-%token T_STRING
-%token T_TRISTATE
-%token T_VISIBLE
-%token T_EOL
-%token <string> T_ASSIGN_VAL
-
-%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> nonconst_symbol
-%type <symbol> symbol
-%type <type> type logic_type default
-%type <expr> expr
-%type <expr> if_expr
-%type <string> end
-%type <menu> if_entry menu_entry choice_entry
-%type <string> word_opt assign_val
-%type <flavor> assign_op
-
-%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
-
-%%
-input: mainmenu_stmt stmt_list | stmt_list;
-
-/* mainmenu entry */
-
-mainmenu_stmt: T_MAINMENU prompt T_EOL
-{
- menu_add_prompt(P_MENU, $2, NULL);
-};
-
-stmt_list:
- /* empty */
- | stmt_list common_stmt
- | stmt_list choice_stmt
- | stmt_list menu_stmt
- | stmt_list T_WORD error T_EOL { zconf_error("unknown statement \"%s\"", $2); }
- | stmt_list error T_EOL { zconf_error("invalid statement"); }
-;
-
-common_stmt:
- if_stmt
- | comment_stmt
- | config_stmt
- | menuconfig_stmt
- | source_stmt
- | assignment_stmt
-;
-
-/* config/menuconfig entry */
-
-config_entry_start: T_CONFIG nonconst_symbol T_EOL
-{
- $2->flags |= SYMBOL_OPTIONAL;
- menu_add_entry($2);
- printd(DEBUG_PARSE, "%s:%d:config %s\n", zconf_curname(), zconf_lineno(), $2->name);
-};
-
-config_stmt: config_entry_start config_option_list
-{
- printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
-};
-
-menuconfig_entry_start: T_MENUCONFIG nonconst_symbol T_EOL
-{
- $2->flags |= SYMBOL_OPTIONAL;
- menu_add_entry($2);
- printd(DEBUG_PARSE, "%s:%d:menuconfig %s\n", zconf_curname(), zconf_lineno(), $2->name);
-};
-
-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");
- 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: type prompt_stmt_opt T_EOL
-{
- menu_set_type($1);
- printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
- zconf_curname(), zconf_lineno(),
- $1);
-};
-
-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: default expr if_expr T_EOL
-{
- menu_add_expr(P_DEFAULT, $2, $3);
- if ($1 != S_UNKNOWN)
- menu_set_type($1);
- printd(DEBUG_PARSE, "%s:%d:default(%u)\n",
- zconf_curname(), zconf_lineno(),
- $1);
-};
-
-config_option: T_SELECT nonconst_symbol if_expr T_EOL
-{
- menu_add_symbol(P_SELECT, $2, $3);
- printd(DEBUG_PARSE, "%s:%d:select\n", zconf_curname(), zconf_lineno());
-};
-
-config_option: T_IMPLY nonconst_symbol if_expr T_EOL
-{
- menu_add_symbol(P_IMPLY, $2, $3);
- printd(DEBUG_PARSE, "%s:%d:imply\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());
-};
-
-config_option: T_OPTION T_MODULES T_EOL
-{
- menu_add_option_modules();
-};
-
-config_option: T_OPTION T_DEFCONFIG_LIST T_EOL
-{
- menu_add_option_defconfig_list();
-};
-
-config_option: T_OPTION T_ALLNOCONFIG_Y T_EOL
-{
- menu_add_option_allnoconfig_y();
-};
-
-/* choice entry */
-
-choice: T_CHOICE word_opt T_EOL
-{
- struct symbol *sym = sym_lookup($2, SYMBOL_CHOICE);
- sym->flags |= SYMBOL_NO_WRITE;
- menu_add_entry(sym);
- menu_add_expr(P_CHOICE, NULL, NULL);
- free($2);
- 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, "choice")) {
- 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: 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: logic_type prompt_stmt_opt T_EOL
-{
- menu_set_type($1);
- printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
- zconf_curname(), zconf_lineno(), $1);
-};
-
-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 nonconst_symbol if_expr T_EOL
-{
- menu_add_symbol(P_DEFAULT, $2, $3);
- printd(DEBUG_PARSE, "%s:%d:default\n",
- zconf_curname(), zconf_lineno());
-};
-
-type:
- logic_type
- | T_INT { $$ = S_INT; }
- | T_HEX { $$ = S_HEX; }
- | T_STRING { $$ = S_STRING; }
-
-logic_type:
- T_BOOL { $$ = S_BOOLEAN; }
- | T_TRISTATE { $$ = S_TRISTATE; }
-
-default:
- T_DEFAULT { $$ = S_UNKNOWN; }
- | T_DEF_BOOL { $$ = S_BOOLEAN; }
- | T_DEF_TRISTATE { $$ = S_TRISTATE; }
-
-choice_block:
- /* empty */
- | choice_block common_stmt
-;
-
-/* if entry */
-
-if_entry: T_IF expr T_EOL
-{
- printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
- menu_add_entry(NULL);
- menu_add_dep($2);
- $$ = menu_add_menu();
-};
-
-if_end: end
-{
- if (zconf_endtoken($1, "if")) {
- menu_end_menu();
- printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno());
- }
-};
-
-if_stmt: if_entry stmt_list if_end
-;
-
-/* menu entry */
-
-menu: T_MENU prompt T_EOL
-{
- menu_add_entry(NULL);
- menu_add_prompt(P_MENU, $2, NULL);
- printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno());
-};
-
-menu_entry: menu menu_option_list
-{
- $$ = menu_add_menu();
-};
-
-menu_end: end
-{
- if (zconf_endtoken($1, "menu")) {
- menu_end_menu();
- printd(DEBUG_PARSE, "%s:%d:endmenu\n", zconf_curname(), zconf_lineno());
- }
-};
-
-menu_stmt: menu_entry stmt_list menu_end
-;
-
-menu_option_list:
- /* empty */
- | menu_option_list visible
- | menu_option_list depends
-;
-
-source_stmt: T_SOURCE prompt T_EOL
-{
- printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), $2);
- zconf_nextfile($2);
- free($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 comment_option_list
-;
-
-comment_option_list:
- /* empty */
- | comment_option_list depends
-;
-
-/* 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
-{
- if (current_entry->help) {
- free(current_entry->help);
- zconfprint("warning: '%s' defined with more than one help text -- only the last one will be used",
- current_entry->sym->name ?: "<choice>");
- }
-
- /* Is the help text empty or all whitespace? */
- if ($2[strspn($2, " \f\n\r\t\v")] == '\0')
- zconfprint("warning: '%s' defined with blank help text",
- current_entry->sym->name ?: "<choice>");
-
- current_entry->help = $2;
-};
-
-/* depends option */
-
-depends: T_DEPENDS T_ON expr T_EOL
-{
- menu_add_dep($3);
- printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno());
-};
-
-/* visibility option */
-visible: T_VISIBLE if_expr T_EOL
-{
- 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 { $$ = "menu"; }
- | T_ENDCHOICE T_EOL { $$ = "choice"; }
- | T_ENDIF T_EOL { $$ = "if"; }
-;
-
-if_expr: /* empty */ { $$ = 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); }
-;
-
-/* For symbol definitions, selects, etc., where quotes are not accepted */
-nonconst_symbol: T_WORD { $$ = sym_lookup($1, 0); free($1); };
-
-symbol: nonconst_symbol
- | T_WORD_QUOTE { $$ = sym_lookup($1, SYMBOL_CONST); free($1); }
-;
-
-word_opt: /* empty */ { $$ = NULL; }
- | T_WORD
-
-/* assignment statement */
-
-assignment_stmt: T_WORD assign_op assign_val T_EOL { variable_add($1, $3, $2); free($1); free($3); }
-
-assign_op:
- T_EQUAL { $$ = VAR_RECURSIVE; }
- | T_COLON_EQUAL { $$ = VAR_SIMPLE; }
- | T_PLUS_EQUAL { $$ = VAR_APPEND; }
-;
-
-assign_val:
- /* empty */ { $$ = xstrdup(""); };
- | T_ASSIGN_VAL
-;
-
-%%
-
-void conf_parse(const char *name)
-{
- struct symbol *sym;
- int i;
-
- zconf_initscan(name);
-
- _menu_init();
-
- if (getenv("ZCONF_DEBUG"))
- yydebug = 1;
- yyparse();
-
- /* Variables are expanded in the parse phase. We can free them here. */
- variable_all_del();
-
- if (yynerrs)
- exit(1);
- if (!modules_sym)
- modules_sym = sym_find( "n" );
-
- if (!menu_has_prompt(&rootmenu)) {
- current_entry = &rootmenu;
- menu_add_prompt(P_MENU, "Main menu", NULL);
- }
-
- menu_finalize(&rootmenu);
- for_all_symbols(i, sym) {
- if (sym_check_deps(sym))
- yynerrs++;
- }
- if (yynerrs)
- exit(1);
- sym_set_change_count(1);
-}
-
-static bool zconf_endtoken(const char *tokenname,
- const char *expected_tokenname)
-{
- if (strcmp(tokenname, expected_tokenname)) {
- zconf_error("unexpected '%s' within %s block",
- tokenname, expected_tokenname);
- yynerrs++;
- return false;
- }
- if (current_menu->file != current_file) {
- zconf_error("'%s' in different file than '%s'",
- tokenname, expected_tokenname);
- fprintf(stderr, "%s:%d: location of the '%s'\n",
- current_menu->file->name, current_menu->lineno,
- expected_tokenname);
- yynerrs++;
- 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;
-
- yynerrs++;
- fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
- va_start(ap, err);
- vfprintf(stderr, err, ap);
- va_end(ap);
- fprintf(stderr, "\n");
-}
-
-static void yyerror(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(" bool\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_IMPLY:
- fputs( " imply ", 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;
- case P_SYMBOL:
- fputs( " symbol ", out);
- fprintf(out, "%s\n", prop->sym->name);
- 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 "util.c"
-#include "menu.c"
projects / carl9170fw.git / blobdiff