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Print error message when await is not followed by signal or coroutine

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When await was not followed by a signal or coroutine the GDScript parser would
crash.

This fix will check if await is followed by a signal or coroutine in case that
isn't true (element == nullptr) then an error message is printed.
This commit is contained in:
William Deurwaarder 2021-08-25 00:33:17 +02:00
parent dcf2d09231
commit e77338978f
1 changed files with 5 additions and 1 deletions
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6
modules/gdscript/gdscript_parser.cpp
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@ -2380,7 +2380,11 @@ GDScriptParser::ExpressionNode *GDScriptParser::parse_assignment(ExpressionNode
GDScriptParser::ExpressionNode *GDScriptParser::parse_await(ExpressionNode *p_previous_operand, bool p_can_assign) { GDScriptParser::ExpressionNode *GDScriptParser::parse_await(ExpressionNode *p_previous_operand, bool p_can_assign) {
AwaitNode *await = alloc_node<AwaitNode>(); AwaitNode *await = alloc_node<AwaitNode>();
await->to_await = parse_precedence(PREC_AWAIT, false); ExpressionNode *element = parse_precedence(PREC_AWAIT, false);
if (element == nullptr) {
push_error(R"(Expected signal or coroutine after "await".)");
}
await->to_await = element;
current_function->is_coroutine = true; current_function->is_coroutine = true;