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Diffstat (limited to 'scripts/kconfig/zconf.y')
-rw-r--r--scripts/kconfig/zconf.y54
1 files changed, 31 insertions, 23 deletions
diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y
index ad6305b0f4..4b68272ebd 100644
--- a/scripts/kconfig/zconf.y
+++ b/scripts/kconfig/zconf.y
@@ -31,7 +31,7 @@ struct symbol *symbol_hash[SYMBOL_HASHSIZE];
static struct menu *current_menu, *current_entry;
%}
-%expect 32
+%expect 31
%union
{
@@ -41,6 +41,7 @@ static struct menu *current_menu, *current_entry;
struct expr *expr;
struct menu *menu;
const struct kconf_id *id;
+ enum variable_flavor flavor;
}
%token <id>T_MAINMENU
@@ -77,6 +78,9 @@ static struct menu *current_menu, *current_entry;
%token T_CLOSE_PAREN
%token T_OPEN_PAREN
%token T_EOL
+%token <string> T_VARIABLE
+%token <flavor> T_ASSIGN
+%token <string> T_ASSIGN_VAL
%left T_OR
%left T_AND
@@ -92,7 +96,7 @@ static struct menu *current_menu, *current_entry;
%type <id> end
%type <id> option_name
%type <menu> if_entry menu_entry choice_entry
-%type <string> symbol_option_arg word_opt
+%type <string> symbol_option_arg word_opt assign_val
%destructor {
fprintf(stderr, "%s:%d: missing end statement for this entry\n",
@@ -109,7 +113,7 @@ static struct menu *current_menu, *current_entry;
%%
input: nl start | start;
-start: mainmenu_stmt stmt_list | no_mainmenu_stmt stmt_list;
+start: mainmenu_stmt stmt_list | stmt_list;
/* mainmenu entry */
@@ -118,19 +122,6 @@ mainmenu_stmt: T_MAINMENU prompt nl
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, xstrdup("Linux Kernel Configuration"), NULL);
-};
-
-
stmt_list:
/* empty */
| stmt_list common_stmt
@@ -156,6 +147,7 @@ common_stmt:
| config_stmt
| menuconfig_stmt
| source_stmt
+ | assignment_stmt
;
option_error:
@@ -345,7 +337,7 @@ choice_block:
/* 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);
@@ -524,31 +516,42 @@ symbol: nonconst_symbol
word_opt: /* empty */ { $$ = NULL; }
| T_WORD
+/* assignment statement */
+
+assignment_stmt: T_VARIABLE T_ASSIGN assign_val T_EOL { variable_add($1, $3, $2); free($1); free($3); }
+
+assign_val:
+ /* empty */ { $$ = 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();
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" );
- 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) {
@@ -714,6 +717,10 @@ static void print_symbol(FILE *out, struct menu *menu)
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;
@@ -780,3 +787,4 @@ void zconfdump(FILE *out)
#include "expr.c"
#include "symbol.c"
#include "menu.c"
+#include "preprocess.c"