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-rw-r--r--modules/gdscript/gdscript_parser.cpp12
1 files changed, 12 insertions, 0 deletions
diff --git a/modules/gdscript/gdscript_parser.cpp b/modules/gdscript/gdscript_parser.cpp
index 42c06d8161..c9ac055392 100644
--- a/modules/gdscript/gdscript_parser.cpp
+++ b/modules/gdscript/gdscript_parser.cpp
@@ -2123,22 +2123,34 @@ GDScriptParser::ExpressionNode *GDScriptParser::parse_unary_operator(ExpressionN
operation->operation = UnaryOpNode::OP_NEGATIVE;
operation->variant_op = Variant::OP_NEGATE;
operation->operand = parse_precedence(PREC_SIGN, false);
+ if (operation->operand == nullptr) {
+ push_error(R"(Expected expression after "-" operator.)");
+ }
break;
case GDScriptTokenizer::Token::PLUS:
operation->operation = UnaryOpNode::OP_POSITIVE;
operation->variant_op = Variant::OP_POSITIVE;
operation->operand = parse_precedence(PREC_SIGN, false);
+ if (operation->operand == nullptr) {
+ push_error(R"(Expected expression after "+" operator.)");
+ }
break;
case GDScriptTokenizer::Token::TILDE:
operation->operation = UnaryOpNode::OP_COMPLEMENT;
operation->variant_op = Variant::OP_BIT_NEGATE;
operation->operand = parse_precedence(PREC_BIT_NOT, false);
+ if (operation->operand == nullptr) {
+ push_error(R"(Expected expression after "~" operator.)");
+ }
break;
case GDScriptTokenizer::Token::NOT:
case GDScriptTokenizer::Token::BANG:
operation->operation = UnaryOpNode::OP_LOGIC_NOT;
operation->variant_op = Variant::OP_NOT;
operation->operand = parse_precedence(PREC_LOGIC_NOT, false);
+ if (operation->operand == nullptr) {
+ push_error(vformat(R"(Expected expression after "%s" operator.)", op_type == GDScriptTokenizer::Token::NOT ? "not" : "!"));
+ }
break;
default:
return nullptr; // Unreachable.