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GDScript: fix type-check of indexed values

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This commit is contained in:
George Marques 2019-01-16 16:02:56 -02:00
parent 31433ae8e4
commit 20e6ff263a
2 changed files with 14 additions and 24 deletions
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36
modules/gdscript/gdscript_parser.cpp
View file

@ -5932,7 +5932,7 @@ GDScriptParser::DataType GDScriptParser::_reduce_node_type(Node *p_node) {
int idx = current_function->arguments.find(id->name);
node_type = current_function->argument_types[idx];
} else {
node_type = _reduce_identifier_type(NULL, id->name, id->line);
node_type = _reduce_identifier_type(NULL, id->name, id->line, false);
}
} break;
case Node::TYPE_CAST: {
@ -6182,7 +6182,7 @@ GDScriptParser::DataType GDScriptParser::_reduce_node_type(Node *p_node) {
result.is_constant = false;
node_type = result;
} else {
node_type = _reduce_identifier_type(&base_type, member_id->name, op->line);
node_type = _reduce_identifier_type(&base_type, member_id->name, op->line, true);
#ifdef DEBUG_ENABLED
if (!node_type.has_type) {
_add_warning(GDScriptWarning::UNSAFE_PROPERTY_ACCESS, op->line, member_id->name.operator String(), base_type.to_string());
@ -6898,9 +6898,9 @@ bool GDScriptParser::_get_member_type(const DataType &p_base_type, const StringN
if (!base_type.is_meta_type) {
for (int i = 0; i < base->variables.size(); i++) {
ClassNode::Member m = base->variables[i];
if (m.identifier == p_member) {
r_member_type = m.data_type;
if (base->variables[i].identifier == p_member) {
r_member_type = base->variables[i].data_type;
base->variables.write[i].usages += 1;
return true;
}
}
@ -7095,43 +7095,33 @@ bool GDScriptParser::_get_member_type(const DataType &p_base_type, const StringN
return false;
}
GDScriptParser::DataType GDScriptParser::_reduce_identifier_type(const DataType *p_base_type, const StringName &p_identifier, int p_line) {
GDScriptParser::DataType GDScriptParser::_reduce_identifier_type(const DataType *p_base_type, const StringName &p_identifier, int p_line, bool p_is_indexing) {
if (p_base_type && !p_base_type->has_type) {
return DataType();
}
DataType base_type;
DataType member_type;
// Check classes in current file
ClassNode *base = NULL;
if (!p_base_type) {
base = current_class;
base_type.has_type = true;
base_type.is_constant = true;
base_type.kind = DataType::CLASS;
base_type.class_type = base;
base_type.class_type = current_class;
} else {
base_type = DataType(*p_base_type);
if (base_type.kind == DataType::CLASS) {
base = base_type.class_type;
}
}
DataType member_type;
for (int i = 0; i < current_class->variables.size(); i++) {
if (current_class->variables[i].identifier == p_identifier) {
member_type = current_class->variables[i].data_type;
current_class->variables.write[i].usages += 1;
return member_type;
}
}
if (_get_member_type(base_type, p_identifier, member_type)) {
return member_type;
}
if (p_is_indexing) {
// Don't look for globals since this is an indexed identifier
return DataType();
}
if (!p_base_type) {
// Possibly this is a global, check before failing

2
modules/gdscript/gdscript_parser.h
View file

@ -607,7 +607,7 @@ private:
DataType _reduce_node_type(Node *p_node);
DataType _reduce_function_call_type(const OperatorNode *p_call);
DataType _reduce_identifier_type(const DataType *p_base_type, const StringName &p_identifier, int p_line);
DataType _reduce_identifier_type(const DataType *p_base_type, const StringName &p_identifier, int p_line, bool p_is_indexing);
void _check_class_level_types(ClassNode *p_class);
void _check_class_blocks_types(ClassNode *p_class);
void _check_function_types(FunctionNode *p_function);