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kconfig: refactor end token rules

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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>
This commit is contained in:
Masahiro Yamada 2018-12-11 20:01:06 +09:00
parent f5451582c4
commit caaebb3c6d
1 changed files with 15 additions and 28 deletions
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43
scripts/kconfig/zconf.y
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@ -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)
static bool zconf_endtoken(const char *tokenname,
const char *expected_tokenname)
{
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) {
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;
}