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authorMasahiro Yamada <yamada.masahiro@socionext.com>2018-12-11 14:01:06 +0300
committerMasahiro Yamada <yamada.masahiro@socionext.com>2018-12-21 18:25:54 +0300
commitcaaebb3c6de3493c7f11f79a5dddc6691a40e55f (patch)
tree06a4d167748f5432b813a6e7a774404b0aad40f6 /scripts/kconfig
parentf5451582c4e22ce8912aae4950810f3598c9b516 (diff)
downloadlinux-caaebb3c6de3493c7f11f79a5dddc6691a40e55f.tar.xz
kconfig: refactor end token rules
T_ENDMENU, T_ENDCHOICE, T_ENDIF are the last users of kconf_id associated with yylval. Refactor them to not use it. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'scripts/kconfig')
-rw-r--r--scripts/kconfig/zconf.y43
1 files changed, 15 insertions, 28 deletions
diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y
index 2127f1d65170..71c2fe737e37 100644
--- a/scripts/kconfig/zconf.y
+++ b/scripts/kconfig/zconf.y
@@ -24,7 +24,8 @@ int yylex(void);
static void yyerror(const char *err);
static void zconfprint(const char *err, ...);
static void zconf_error(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];
@@ -98,7 +99,7 @@ static struct menu *current_menu, *current_entry;
%type <type> type logic_type default
%type <expr> expr
%type <expr> if_expr
-%type <id> end
+%type <string> end
%type <menu> if_entry menu_entry choice_entry
%type <string> word_opt assign_val
%type <flavor> assign_op
@@ -256,7 +257,7 @@ choice_entry: choice choice_option_list
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());
}
@@ -330,7 +331,7 @@ if_entry: T_IF expr T_EOL
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());
}
@@ -355,7 +356,7 @@ menu_entry: menu menu_option_list
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());
}
@@ -445,9 +446,9 @@ prompt: T_WORD
| T_WORD_QUOTE
;
-end: T_ENDMENU T_EOL { $$ = $1; }
- | T_ENDCHOICE T_EOL { $$ = $1; }
- | T_ENDIF T_EOL { $$ = $1; }
+end: T_ENDMENU T_EOL { $$ = "menu"; }
+ | T_ENDCHOICE T_EOL { $$ = "choice"; }
+ | T_ENDIF T_EOL { $$ = "if"; }
;
if_expr: /* empty */ { $$ = NULL; }
@@ -530,35 +531,21 @@ void conf_parse(const char *name)
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));
+ 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));
+ expected_tokenname);
yynerrs++;
return false;
}