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after a closing paren another operator has to be expected again

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Wolfgang (Blub) Bumiller 2012-08-12 20:21:21 +02:00
parent fb8a9b3ccf
commit c7cca404dc
1 changed files with 6 additions and 4 deletions
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10
parser.c
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@ -724,7 +724,7 @@ static ast_expression* parser_expression(parser_t *parser)
DEBUGSHUNTDO(printf("push (\n"));
}
else if (parser->tok == ')') {
DEBUGSHUNTDO(printf("call )\n"));
DEBUGSHUNTDO(printf("do[nop] )\n"));
--parens;
if (parens < 0)
break;
@ -740,6 +740,7 @@ static ast_expression* parser_expression(parser_t *parser)
wantop = nextwant;
parser->lex->flags.noops = !wantop;
} else {
bool nextwant = false;
if (parser->tok == '(') {
DEBUGSHUNTDO(printf("push (\n"));
++parens;
@ -750,7 +751,7 @@ static ast_expression* parser_expression(parser_t *parser)
}
}
else if (parser->tok == ')') {
DEBUGSHUNTDO(printf("calc )\n"));
DEBUGSHUNTDO(printf("do[op] )\n"));
--parens;
if (parens < 0)
break;
@ -758,6 +759,7 @@ static ast_expression* parser_expression(parser_t *parser)
/* closing an opening paren */
if (!parser_close_paren(parser, &sy, false))
goto onerr;
nextwant = true;
}
else if (parser->tok != TOKEN_OPERATOR) {
parseerror(parser, "expected operator or end of statement");
@ -820,8 +822,8 @@ static ast_expression* parser_expression(parser_t *parser)
if (!shunt_ops_add(&sy, syop(parser_ctx(parser), op)))
goto onerr;
}
wantop = false;
parser->lex->flags.noops = true;
wantop = nextwant;
parser->lex->flags.noops = !wantop;
}
if (!parser_next(parser)) {
goto onerr;