compiler: Don't permit go/defer argument to be parenthesized.

Fixes Go repository issue 4468.

From-SVN: r194112
This commit is contained in:
Ian Lance Taylor 2012-12-04 00:28:30 +00:00
parent 9394665eaf
commit 114d8843e6
1 changed files with 6 additions and 3 deletions

View File

@ -4089,13 +4089,16 @@ Parse::go_or_defer_stat()
|| this->peek_token()->is_keyword(KEYWORD_DEFER));
bool is_go = this->peek_token()->is_keyword(KEYWORD_GO);
Location stat_location = this->location();
this->advance_token();
const Token* token = this->advance_token();
Location expr_location = this->location();
bool is_parenthesized = token->is_op(OPERATOR_LPAREN);
Expression* expr = this->expression(PRECEDENCE_NORMAL, false, true, NULL);
Call_expression* call_expr = expr->call_expression();
if (call_expr == NULL)
if (is_parenthesized || call_expr == NULL)
{
error_at(expr_location, "expected call expression");
error_at(expr_location, "argument to go/defer must be function call");
return;
}