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Fix type mutation upon compound assignment

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This commit is contained in:
cdemirer 2021-12-27 03:32:22 +08:00
parent 28174d531b
commit 067b4c8c07
2 changed files with 14 additions and 11 deletions
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13
modules/gdscript/gdscript_analyzer.cpp
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@ -1834,13 +1834,14 @@ void GDScriptAnalyzer::reduce_assignment(GDScriptParser::AssignmentNode *p_assig
push_error("Cannot assign a new value to a constant.", p_assignment->assignee);
}
if (!assignee_type.is_variant() && assigned_value_type.is_hard_type()) {
bool compatible = true;
GDScriptParser::DataType op_type = assigned_value_type;
if (p_assignment->operation != GDScriptParser::AssignmentNode::OP_NONE) {
op_type = get_operation_type(p_assignment->variant_op, assignee_type, assigned_value_type, compatible, p_assignment->assigned_value);
}
bool compatible = true;
GDScriptParser::DataType op_type = assigned_value_type;
if (p_assignment->operation != GDScriptParser::AssignmentNode::OP_NONE) {
op_type = get_operation_type(p_assignment->variant_op, assignee_type, assigned_value_type, compatible, p_assignment->assigned_value);
}
p_assignment->set_datatype(op_type);
if (!assignee_type.is_variant() && assigned_value_type.is_hard_type()) {
if (compatible) {
compatible = is_type_compatible(assignee_type, op_type, true);
if (!compatible) {

12
modules/gdscript/gdscript_compiler.cpp
View file

@ -969,17 +969,19 @@ GDScriptCodeGenerator::Address GDScriptCompiler::_parse_expression(CodeGen &code
// Perform operator if any.
if (assignment->operation != GDScriptParser::AssignmentNode::OP_NONE) {
GDScriptCodeGenerator::Address op_result = codegen.add_temporary(_gdtype_from_datatype(assignment->get_datatype()));
GDScriptCodeGenerator::Address value = codegen.add_temporary(_gdtype_from_datatype(subscript->get_datatype()));
if (subscript->is_attribute) {
gen->write_get_named(value, name, prev_base);
} else {
gen->write_get(value, key, prev_base);
}
gen->write_binary_operator(value, assignment->variant_op, value, assigned);
gen->write_binary_operator(op_result, assignment->variant_op, value, assigned);
gen->pop_temporary();
if (assigned.mode == GDScriptCodeGenerator::Address::TEMPORARY) {
gen->pop_temporary();
}
assigned = value;
assigned = op_result;
}
// Perform assignment.
@ -1035,8 +1037,8 @@ GDScriptCodeGenerator::Address GDScriptCompiler::_parse_expression(CodeGen &code
StringName name = static_cast<GDScriptParser::IdentifierNode *>(assignment->assignee)->name;
if (has_operation) {
GDScriptCodeGenerator::Address op_result = codegen.add_temporary();
GDScriptCodeGenerator::Address member = codegen.add_temporary();
GDScriptCodeGenerator::Address op_result = codegen.add_temporary(_gdtype_from_datatype(assignment->get_datatype()));
GDScriptCodeGenerator::Address member = codegen.add_temporary(_gdtype_from_datatype(assignment->assignee->get_datatype()));
gen->write_get_member(member, name);
gen->write_binary_operator(op_result, assignment->variant_op, member, assigned_value);
gen->pop_temporary(); // Pop member temp.
@ -1092,7 +1094,7 @@ GDScriptCodeGenerator::Address GDScriptCompiler::_parse_expression(CodeGen &code
bool has_operation = assignment->operation != GDScriptParser::AssignmentNode::OP_NONE;
if (has_operation) {
// Perform operation.
GDScriptCodeGenerator::Address op_result = codegen.add_temporary();
GDScriptCodeGenerator::Address op_result = codegen.add_temporary(_gdtype_from_datatype(assignment->get_datatype()));
GDScriptCodeGenerator::Address og_value = _parse_expression(codegen, r_error, assignment->assignee);
gen->write_binary_operator(op_result, assignment->variant_op, og_value, assigned_value);
to_assign = op_result;