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Implement iterator variable typing in GDScript

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This commit is contained in:
Pedro J. Estébanez
2021-08-14 05:44:22 +02:00
parent 0a001afec5
commit d72f12a561
3 changed files with 57 additions and 4 deletions
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24
modules/gdscript/gdscript_analyzer.cpp
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@@ -1089,12 +1089,28 @@ void GDScriptAnalyzer::resolve_for(GDScriptParser::ForNode *p_for) {
} }
} }
if (!list_resolved) { GDScriptParser::DataType variable_type;
if (list_resolved) {
variable_type.type_source = GDScriptParser::DataType::ANNOTATED_INFERRED;
variable_type.kind = GDScriptParser::DataType::BUILTIN;
variable_type.builtin_type = Variant::INT; // Can this ever be a float or something else?
p_for->variable->set_datatype(variable_type);
} else {
resolve_node(p_for->list); resolve_node(p_for->list);
if (p_for->list->datatype.has_container_element_type()) {
variable_type = p_for->list->datatype.get_container_element_type();
variable_type.type_source = GDScriptParser::DataType::ANNOTATED_INFERRED;
} else if (p_for->list->datatype.is_typed_container_type()) {
variable_type = p_for->list->datatype.get_typed_container_type();
variable_type.type_source = GDScriptParser::DataType::ANNOTATED_INFERRED;
} else {
// Last resort
// TODO: Must other cases be handled? Must we mark as unsafe?
variable_type.type_source = GDScriptParser::DataType::UNDETECTED;
variable_type.kind = GDScriptParser::DataType::VARIANT;
}
} }
p_for->variable->set_datatype(variable_type);
// TODO: If list is a typed array, the variable should be an element.
// Also applicable for constant range() (so variable is int or float).
resolve_suite(p_for->loop); resolve_suite(p_for->loop);
p_for->set_datatype(p_for->loop->get_datatype()); p_for->set_datatype(p_for->loop->get_datatype());

33
modules/gdscript/gdscript_parser.cpp
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@@ -3540,6 +3540,39 @@ String GDScriptParser::DataType::to_string() const {
ERR_FAIL_V_MSG("<unresolved type", "Kind set outside the enum range."); ERR_FAIL_V_MSG("<unresolved type", "Kind set outside the enum range.");
} }
static Variant::Type _variant_type_to_typed_array_element_type(Variant::Type p_type) {
switch (p_type) {
case Variant::PACKED_BYTE_ARRAY:
case Variant::PACKED_INT32_ARRAY:
case Variant::PACKED_INT64_ARRAY:
return Variant::INT;
case Variant::PACKED_FLOAT32_ARRAY:
case Variant::PACKED_FLOAT64_ARRAY:
return Variant::FLOAT;
case Variant::PACKED_STRING_ARRAY:
return Variant::STRING;
case Variant::PACKED_VECTOR2_ARRAY:
return Variant::VECTOR2;
case Variant::PACKED_VECTOR3_ARRAY:
return Variant::VECTOR3;
case Variant::PACKED_COLOR_ARRAY:
return Variant::COLOR;
default:
return Variant::NIL;
}
}
bool GDScriptParser::DataType::is_typed_container_type() const {
return kind == GDScriptParser::DataType::BUILTIN && _variant_type_to_typed_array_element_type(builtin_type) != Variant::NIL;
}
GDScriptParser::DataType GDScriptParser::DataType::get_typed_container_type() const {
GDScriptParser::DataType type;
type.kind = GDScriptParser::DataType::BUILTIN;
type.builtin_type = _variant_type_to_typed_array_element_type(builtin_type);
return type;
}
/*---------- PRETTY PRINT FOR DEBUG ----------*/ /*---------- PRETTY PRINT FOR DEBUG ----------*/
#ifdef DEBUG_ENABLED #ifdef DEBUG_ENABLED

4
modules/gdscript/gdscript_parser.h
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@@ -161,6 +161,10 @@ public:
container_element_type = nullptr; container_element_type = nullptr;
} }
bool is_typed_container_type() const;
GDScriptParser::DataType get_typed_container_type() const;
bool operator==(const DataType &p_other) const { bool operator==(const DataType &p_other) const {
if (type_source == UNDETECTED || p_other.type_source == UNDETECTED) { if (type_source == UNDETECTED || p_other.type_source == UNDETECTED) {
return true; // Can be consireded equal for parsing purposes. return true; // Can be consireded equal for parsing purposes.