Method _parse_match_pattern

modules/gdscript/gdscript_compiler.cpp:1441–1877

}

GDScriptCodeGenerator::Address GDScriptCompiler::_parse_match_pattern(CodeGen &codegen, Error &r_error, const GDScriptParser::PatternNode *p_pattern, const GDScriptCodeGenerator::Address &p_value_addr, const GDScriptCodeGenerator::Address &p_type_addr, const GDScriptCodeGenerator::Address &p_previous_test, bool p_is_first, bool p_is_nested) {
	switch (p_pattern->pattern_type) {
		case GDScriptParser::PatternNode::PT_LITERAL: {
			if (p_is_nested) {
				codegen.generator->write_and_left_operand(p_previous_test);
			} else if (!p_is_first) {
				codegen.generator->write_or_left_operand(p_previous_test);
			}

			// Get literal type into constant map.
			Variant::Type literal_type = p_pattern->literal->value.get_type();
			GDScriptCodeGenerator::Address literal_type_addr = codegen.add_constant(literal_type);

			// Equality is always a boolean.
			GDScriptDataType equality_type;
			equality_type.has_type = true;
			equality_type.kind = GDScriptDataType::BUILTIN;
			equality_type.builtin_type = Variant::BOOL;

			// Check type equality.
			GDScriptCodeGenerator::Address type_equality_addr = codegen.add_temporary(equality_type);
			codegen.generator->write_binary_operator(type_equality_addr, Variant::OP_EQUAL, p_type_addr, literal_type_addr);

			if (literal_type == Variant::STRING) {
				GDScriptCodeGenerator::Address type_stringname_addr = codegen.add_constant(Variant::STRING_NAME);

				// Check StringName <-> String type equality.
				GDScriptCodeGenerator::Address tmp_comp_addr = codegen.add_temporary(equality_type);

				codegen.generator->write_binary_operator(tmp_comp_addr, Variant::OP_EQUAL, p_type_addr, type_stringname_addr);
				codegen.generator->write_binary_operator(type_equality_addr, Variant::OP_OR, type_equality_addr, tmp_comp_addr);

				codegen.generator->pop_temporary(); // Remove tmp_comp_addr from stack.
			} else if (literal_type == Variant::STRING_NAME) {
				GDScriptCodeGenerator::Address type_string_addr = codegen.add_constant(Variant::STRING);

				// Check String <-> StringName type equality.
				GDScriptCodeGenerator::Address tmp_comp_addr = codegen.add_temporary(equality_type);

				codegen.generator->write_binary_operator(tmp_comp_addr, Variant::OP_EQUAL, p_type_addr, type_string_addr);
				codegen.generator->write_binary_operator(type_equality_addr, Variant::OP_OR, type_equality_addr, tmp_comp_addr);

				codegen.generator->pop_temporary(); // Remove tmp_comp_addr from stack.
			}

			codegen.generator->write_and_left_operand(type_equality_addr);

			// Get literal.
			GDScriptCodeGenerator::Address literal_addr = _parse_expression(codegen, r_error, p_pattern->literal);
			if (r_error) {
				return GDScriptCodeGenerator::Address();
			}

			// Check value equality.
			GDScriptCodeGenerator::Address equality_addr = codegen.add_temporary(equality_type);
			codegen.generator->write_binary_operator(equality_addr, Variant::OP_EQUAL, p_value_addr, literal_addr);
			codegen.generator->write_and_right_operand(equality_addr);