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export var type reduce() implemented 

(cherry picked from commit cd487201c6)
This commit is contained in:
Thakee Nathees 2020-03-09 04:54:12 +05:30 committed by Rémi Verschelde
parent fd6424aa04
commit 1a4530e84c
2 changed files with 36 additions and 0 deletions
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35
modules/gdscript/gdscript_parser.cpp
View File

@ -2022,6 +2022,38 @@ GDScriptParser::Node *GDScriptParser::_parse_and_reduce_expression(Node *p_paren
return expr;
}
bool GDScriptParser::_reduce_export_var_type(Variant &p_value, int p_line) {
if (p_value.get_type() == Variant::ARRAY) {
Array arr = p_value;
for (int i = 0; i < arr.size(); i++) {
if (!_reduce_export_var_type(arr[i], p_line)) return false;
}
return true;
}
if (p_value.get_type() == Variant::DICTIONARY) {
Dictionary dict = p_value;
for (int i = 0; i < dict.size(); i++) {
Variant value = dict.get_value_at_index(i);
if (!_reduce_export_var_type(value, p_line)) return false;
}
return true;
}
// validate type
DataType type = _type_from_variant(p_value);
if (type.kind == DataType::BUILTIN) {
return true;
} else if (type.kind == DataType::NATIVE) {
if (ClassDB::is_parent_class(type.native_type, "Resource")) {
return true;
}
}
_set_error("Invalid export type. Only built-in and native resource types can be exported.", p_line);
return false;
}
bool GDScriptParser::_recover_from_completion() {
if (!completion_found) {
@ -4889,6 +4921,9 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
_set_error("Can't accept a null constant expression for inferring export type.");
return;
}
if (!_reduce_export_var_type(cn->value, member.line)) return;
member._export.type = cn->value.get_type();
member._export.usage |= PROPERTY_USAGE_SCRIPT_VARIABLE;
if (cn->value.get_type() == Variant::OBJECT) {

1
modules/gdscript/gdscript_parser.h
View File

@ -613,6 +613,7 @@ private:
Node *_parse_expression(Node *p_parent, bool p_static, bool p_allow_assign = false, bool p_parsing_constant = false);
Node *_reduce_expression(Node *p_node, bool p_to_const = false);
Node *_parse_and_reduce_expression(Node *p_parent, bool p_static, bool p_reduce_const = false, bool p_allow_assign = false);
bool _reduce_export_var_type(Variant &p_value, int p_line = 0);
PatternNode *_parse_pattern(bool p_static);
void _parse_pattern_block(BlockNode *p_block, Vector<PatternBranchNode *> &p_branches, bool p_static);