From d49046938a22fc2fd75087bfdd68fc1f369e8a6c Mon Sep 17 00:00:00 2001 From: George Marques Date: Wed, 15 Sep 2021 11:08:59 -0300 Subject: GDScript: Show error on unary operators without argument --- modules/gdscript/gdscript_parser.cpp | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'modules/gdscript/gdscript_parser.cpp') 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. -- cgit v1.2.3