-%{
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* 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>
int cdebug = PRINTD;
-extern int zconflex(void);
+static void yyerror(const char *err);
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);
+static bool zconf_endtoken(const char *tokenname,
+ const char *expected_tokenname);
struct symbol *symbol_hash[SYMBOL_HASHSIZE];
static struct menu *current_menu, *current_entry;
%}
-%expect 32
%union
{
struct symbol *symbol;
struct expr *expr;
struct menu *menu;
- const struct kconf_id *id;
+ enum symbol_type type;
+ enum variable_flavor flavor;
}
-%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_IMPLY
-%token <id>T_RANGE
-%token <id>T_VISIBLE
-%token <id>T_OPTION
-%token <id>T_ON
%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_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
%type <string> prompt
%type <symbol> nonconst_symbol
%type <symbol> symbol
+%type <type> type logic_type default
%type <expr> expr
%type <expr> if_expr
-%type <id> end
-%type <id> option_name
+%type <string> end
%type <menu> if_entry menu_entry choice_entry
-%type <string> symbol_option_arg word_opt
+%type <string> word_opt assign_val
+%type <flavor> assign_op
%destructor {
fprintf(stderr, "%s:%d: missing end statement for this entry\n",
menu_end_menu();
} if_entry menu_entry choice_entry
-%{
-/* Include kconf_id.c here so it can see the token constants. */
-#include "kconf_id.c"
-%}
-
%%
-input: nl start | start;
-
-start: mainmenu_stmt stmt_list | no_mainmenu_stmt stmt_list;
+input: mainmenu_stmt stmt_list | stmt_list;
/* mainmenu entry */
-mainmenu_stmt: T_MAINMENU prompt nl
+mainmenu_stmt: T_MAINMENU prompt T_EOL
{
menu_add_prompt(P_MENU, $2, NULL);
};
-/* Default main menu, if there's no mainmenu entry */
-
-no_mainmenu_stmt: /* empty */
-{
- /*
- * Hack: Keep the main menu title on the heap so we can safely free it
- * later regardless of whether it comes from the 'prompt' in
- * mainmenu_stmt or here
- */
- menu_add_prompt(P_MENU, strdup("Linux Kernel Configuration"), NULL);
-};
-
-
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\"", $2->name);
-}
| stmt_list error T_EOL { zconf_error("invalid statement"); }
;
-option_name:
- T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_IMPLY | T_OPTIONAL | T_RANGE | T_DEFAULT | T_VISIBLE
-;
-
common_stmt:
- T_EOL
- | if_stmt
+ if_stmt
| comment_stmt
| config_stmt
| menuconfig_stmt
| source_stmt
+ | assignment_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 nonconst_symbol T_EOL
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
+config_option: type prompt_stmt_opt T_EOL
{
- menu_set_type($1->stype);
+ menu_set_type($1);
printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
zconf_curname(), zconf_lineno(),
- $1->stype);
+ $1);
};
config_option: T_PROMPT prompt if_expr T_EOL
printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
};
-config_option: T_DEFAULT expr if_expr T_EOL
+config_option: default expr if_expr T_EOL
{
menu_add_expr(P_DEFAULT, $2, $3);
- if ($1->stype != S_UNKNOWN)
- menu_set_type($1->stype);
+ if ($1 != S_UNKNOWN)
+ menu_set_type($1);
printd(DEBUG_PARSE, "%s:%d:default(%u)\n",
zconf_curname(), zconf_lineno(),
- $1->stype);
+ $1);
};
config_option: T_SELECT nonconst_symbol if_expr T_EOL
printd(DEBUG_PARSE, "%s:%d:range\n", zconf_curname(), zconf_lineno());
};
-symbol_option: T_OPTION symbol_option_list T_EOL
-;
+config_option: T_OPTION T_MODULES T_EOL
+{
+ menu_add_option_modules();
+};
-symbol_option_list:
- /* empty */
- | symbol_option_list T_WORD symbol_option_arg
+config_option: T_OPTION T_DEFCONFIG_LIST T_EOL
{
- const struct kconf_id *id = kconf_id_lookup($2, strlen($2));
- if (id && id->flags & TF_OPTION) {
- menu_add_option(id->token, $3);
- free($3);
- }
- else
- zconfprint("warning: ignoring unknown option %s", $2);
- free($2);
+ menu_add_option_defconfig_list();
};
-symbol_option_arg:
- /* empty */ { $$ = NULL; }
- | T_EQUAL prompt { $$ = $2; }
-;
+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_AUTO;
+ 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_end: end
{
- if (zconf_endtoken($1, T_CHOICE, T_ENDCHOICE)) {
+ if (zconf_endtoken($1, "choice")) {
menu_end_menu();
printd(DEBUG_PARSE, "%s:%d:endchoice\n", zconf_curname(), zconf_lineno());
}
| 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
printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
};
-choice_option: T_TYPE prompt_stmt_opt T_EOL
+choice_option: logic_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;
+ menu_set_type($1);
+ printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
+ zconf_curname(), zconf_lineno(), $1);
};
choice_option: T_OPTIONAL T_EOL
choice_option: T_DEFAULT nonconst_symbol if_expr T_EOL
{
- if ($1->stype == S_UNKNOWN) {
- menu_add_symbol(P_DEFAULT, $2, $3);
- printd(DEBUG_PARSE, "%s:%d:default\n",
- zconf_curname(), zconf_lineno());
- } else
- YYERROR;
+ 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 nl
+if_entry: T_IF expr T_EOL
{
printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
menu_add_entry(NULL);
if_end: end
{
- if (zconf_endtoken($1, T_IF, T_ENDIF)) {
+ if (zconf_endtoken($1, "if")) {
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
+if_stmt: if_entry stmt_list if_end
;
/* menu entry */
printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno());
};
-menu_entry: menu visibility_list depends_list
+menu_entry: menu menu_option_list
{
$$ = menu_add_menu();
};
menu_end: end
{
- if (zconf_endtoken($1, T_MENU, T_ENDMENU)) {
+ if (zconf_endtoken($1, "menu")) {
menu_end_menu();
printd(DEBUG_PARSE, "%s:%d:endmenu\n", zconf_curname(), zconf_lineno());
}
};
-menu_stmt: menu_entry menu_block menu_end
+menu_stmt: menu_entry stmt_list menu_end
;
-menu_block:
+menu_option_list:
/* empty */
- | menu_block common_stmt
- | menu_block menu_stmt
- | menu_block choice_stmt
+ | menu_option_list visible
+ | menu_option_list depends
;
source_stmt: T_SOURCE prompt T_EOL
printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno());
};
-comment_stmt: comment depends_list
+comment_stmt: comment comment_option_list
+;
+
+comment_option_list:
+ /* empty */
+ | comment_option_list depends
;
/* help option */
help: help_start T_HELPTEXT
{
+ if (current_entry->help) {
+ free(current_entry->help);
+ zconfprint("warning: '%s' defined with more than one help text -- only the last one will be used",
+ current_entry->sym->name ?: "<choice>");
+ }
+
+ /* Is the help text empty or all whitespace? */
+ if ($2[strspn($2, " \f\n\r\t\v")] == '\0')
+ zconfprint("warning: '%s' defined with blank help text",
+ current_entry->sym->name ?: "<choice>");
+
current_entry->help = $2;
};
/* depends option */
-depends_list:
- /* empty */
- | depends_list depends
- | depends_list T_EOL
- | depends_list option_error
-;
-
depends: T_DEPENDS T_ON expr T_EOL
{
menu_add_dep($3);
};
/* visibility option */
-
-visibility_list:
- /* empty */
- | visibility_list visible
- | visibility_list T_EOL
-;
-
-visible: T_VISIBLE if_expr
+visible: T_VISIBLE if_expr T_EOL
{
menu_add_visibility($2);
};
| T_WORD_QUOTE
;
-end: T_ENDMENU T_EOL { $$ = $1; }
- | T_ENDCHOICE T_EOL { $$ = $1; }
- | T_ENDIF T_EOL { $$ = $1; }
-;
-
-nl:
- T_EOL
- | nl T_EOL
+end: T_ENDMENU T_EOL { $$ = "menu"; }
+ | T_ENDCHOICE T_EOL { $$ = "choice"; }
+ | T_ENDIF T_EOL { $$ = "if"; }
;
if_expr: /* empty */ { $$ = NULL; }
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)
{
- const char *tmp;
struct symbol *sym;
int i;
zconf_initscan(name);
- sym_init();
_menu_init();
- rootmenu.prompt = menu_add_prompt(P_MENU, "CARL9170 Firmware Configuration", NULL);
if (getenv("ZCONF_DEBUG"))
- zconfdebug = 1;
- zconfparse();
- if (zconfnerrs)
+ 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" );
- tmp = rootmenu.prompt->text;
- rootmenu.prompt->text = _(rootmenu.prompt->text);
- rootmenu.prompt->text = sym_expand_string_value(rootmenu.prompt->text);
- free((char*)tmp);
+ 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))
- zconfnerrs++;
+ yynerrs++;
}
- if (zconfnerrs)
+ if (yynerrs)
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)
+static bool zconf_endtoken(const char *tokenname,
+ const char *expected_tokenname)
{
- if (id->token != endtoken) {
+ if (strcmp(tokenname, expected_tokenname)) {
zconf_error("unexpected '%s' within %s block",
- id->name, zconf_tokenname(starttoken));
- zconfnerrs++;
+ tokenname, expected_tokenname);
+ yynerrs++;
return false;
}
if (current_menu->file != current_file) {
zconf_error("'%s' in different file than '%s'",
- id->name, zconf_tokenname(starttoken));
+ tokenname, expected_tokenname);
fprintf(stderr, "%s:%d: location of the '%s'\n",
current_menu->file->name, current_menu->lineno,
- zconf_tokenname(starttoken));
- zconfnerrs++;
+ expected_tokenname);
+ yynerrs++;
return false;
}
return true;
{
va_list ap;
- zconfnerrs++;
+ yynerrs++;
fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
va_start(ap, err);
vfprintf(stderr, err, ap);
fprintf(stderr, "\n");
}
-static void zconferror(const char *err)
+static void yyerror(const char *err)
{
fprintf(stderr, "%s:%d: %s\n", zconf_curname(), zconf_lineno() + 1, err);
}
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;
}
}
-#include "zconf.lex.c"
#include "util.c"
-#include "confdata.c"
-#include "expr.c"
-#include "symbol.c"
#include "menu.c"
projects / carl9170fw.git / blobdiff