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-rw-r--r--modules/gdscript/gdscript_analyzer.cpp255
1 files changed, 134 insertions, 121 deletions
diff --git a/modules/gdscript/gdscript_analyzer.cpp b/modules/gdscript/gdscript_analyzer.cpp
index 943a49060f..aa2fa67ef2 100644
--- a/modules/gdscript/gdscript_analyzer.cpp
+++ b/modules/gdscript/gdscript_analyzer.cpp
@@ -30,12 +30,12 @@
#include "gdscript_analyzer.h"
-#include "core/class_db.h"
-#include "core/hash_map.h"
+#include "core/config/project_settings.h"
#include "core/io/resource_loader.h"
+#include "core/object/class_db.h"
+#include "core/object/script_language.h"
#include "core/os/file_access.h"
-#include "core/project_settings.h"
-#include "core/script_language.h"
+#include "core/templates/hash_map.h"
#include "gdscript.h"
// TODO: Move this to a central location (maybe core?).
@@ -577,6 +577,12 @@ void GDScriptAnalyzer::resolve_class_interface(GDScriptParser::ClassNode *p_clas
GDScriptParser::DataType datatype = member.constant->get_datatype();
if (member.constant->initializer) {
+ if (member.constant->initializer->type == GDScriptParser::Node::ARRAY) {
+ const_fold_array(static_cast<GDScriptParser::ArrayNode *>(member.constant->initializer));
+ } else if (member.constant->initializer->type == GDScriptParser::Node::DICTIONARY) {
+ const_fold_dictionary(static_cast<GDScriptParser::DictionaryNode *>(member.constant->initializer));
+ }
+
if (!member.constant->initializer->is_constant) {
push_error(R"(Initializer for a constant must be a constant expression.)", member.constant->initializer);
}
@@ -972,17 +978,19 @@ void GDScriptAnalyzer::resolve_for(GDScriptParser::ForNode *p_for) {
if (!call->arguments[i]->is_constant) {
all_is_constant = false;
- } else {
+ } else if (all_is_constant) {
args.write[i] = call->arguments[i]->reduced_value;
}
GDScriptParser::DataType arg_type = call->arguments[i]->get_datatype();
- if (arg_type.kind != GDScriptParser::DataType::BUILTIN) {
- all_is_constant = false;
- push_error(vformat(R"*(Invalid argument for "range()" call. Argument %d should be int or float but "%s" was given.)*", i + 1, arg_type.to_string()), call->arguments[i]);
- } else if (arg_type.builtin_type != Variant::INT && arg_type.builtin_type != Variant::FLOAT) {
- all_is_constant = false;
- push_error(vformat(R"*(Invalid argument for "range()" call. Argument %d should be int or float but "%s" was given.)*", i + 1, arg_type.to_string()), call->arguments[i]);
+ if (!arg_type.is_variant()) {
+ if (arg_type.kind != GDScriptParser::DataType::BUILTIN) {
+ all_is_constant = false;
+ push_error(vformat(R"*(Invalid argument for "range()" call. Argument %d should be int or float but "%s" was given.)*", i + 1, arg_type.to_string()), call->arguments[i]);
+ } else if (arg_type.builtin_type != Variant::INT && arg_type.builtin_type != Variant::FLOAT) {
+ all_is_constant = false;
+ push_error(vformat(R"*(Invalid argument for "range()" call. Argument %d should be int or float but "%s" was given.)*", i + 1, arg_type.to_string()), call->arguments[i]);
+ }
}
}
@@ -1005,11 +1013,15 @@ void GDScriptAnalyzer::resolve_for(GDScriptParser::ForNode *p_for) {
}
}
- GDScriptParser::DataType list_type;
- list_type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT;
- list_type.kind = GDScriptParser::DataType::BUILTIN;
- list_type.builtin_type = Variant::ARRAY;
- p_for->list->set_datatype(list_type);
+ if (p_for->list->is_constant) {
+ p_for->list->set_datatype(type_from_variant(p_for->list->reduced_value, p_for->list));
+ } else {
+ GDScriptParser::DataType list_type;
+ list_type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT;
+ list_type.kind = GDScriptParser::DataType::BUILTIN;
+ list_type.builtin_type = Variant::ARRAY;
+ p_for->list->set_datatype(list_type);
+ }
}
}
}
@@ -1113,6 +1125,11 @@ void GDScriptAnalyzer::resolve_constant(GDScriptParser::ConstantNode *p_constant
GDScriptParser::DataType type;
reduce_expression(p_constant->initializer);
+ if (p_constant->initializer->type == GDScriptParser::Node::ARRAY) {
+ const_fold_array(static_cast<GDScriptParser::ArrayNode *>(p_constant->initializer));
+ } else if (p_constant->initializer->type == GDScriptParser::Node::DICTIONARY) {
+ const_fold_dictionary(static_cast<GDScriptParser::DictionaryNode *>(p_constant->initializer));
+ }
if (!p_constant->initializer->is_constant) {
push_error(vformat(R"(Assigned value for constant "%s" isn't a constant expression.)", p_constant->identifier->name), p_constant->initializer);
@@ -1422,22 +1439,9 @@ void GDScriptAnalyzer::reduce_expression(GDScriptParser::ExpressionNode *p_expre
}
void GDScriptAnalyzer::reduce_array(GDScriptParser::ArrayNode *p_array) {
- bool all_is_constant = true;
-
for (int i = 0; i < p_array->elements.size(); i++) {
GDScriptParser::ExpressionNode *element = p_array->elements[i];
reduce_expression(element);
- all_is_constant = all_is_constant && element->is_constant;
- }
-
- if (all_is_constant) {
- Array array;
- array.resize(p_array->elements.size());
- for (int i = 0; i < p_array->elements.size(); i++) {
- array[i] = p_array->elements[i]->reduced_value;
- }
- p_array->is_constant = true;
- p_array->reduced_value = array;
}
// It's array in any case.
@@ -1705,7 +1709,27 @@ void GDScriptAnalyzer::reduce_call(GDScriptParser::CallNode *p_call, bool is_awa
call_type.native_type = function_name; // "Object".
}
- if (all_is_constant) {
+ bool safe_to_fold = true;
+ switch (builtin_type) {
+ // Those are stored by reference so not suited for compile-time construction.
+ // Because in this case they would be the same reference in all constructed values.
+ case Variant::OBJECT:
+ case Variant::PACKED_BYTE_ARRAY:
+ case Variant::PACKED_INT32_ARRAY:
+ case Variant::PACKED_INT64_ARRAY:
+ case Variant::PACKED_FLOAT32_ARRAY:
+ case Variant::PACKED_FLOAT64_ARRAY:
+ case Variant::PACKED_STRING_ARRAY:
+ case Variant::PACKED_VECTOR2_ARRAY:
+ case Variant::PACKED_VECTOR3_ARRAY:
+ case Variant::PACKED_COLOR_ARRAY:
+ safe_to_fold = false;
+ break;
+ default:
+ break;
+ }
+
+ if (all_is_constant && safe_to_fold) {
// Construct here.
Vector<const Variant *> args;
for (int i = 0; i < p_call->arguments.size(); i++) {
@@ -1713,7 +1737,8 @@ void GDScriptAnalyzer::reduce_call(GDScriptParser::CallNode *p_call, bool is_awa
}
Callable::CallError err;
- Variant value = Variant::construct(builtin_type, (const Variant **)args.ptr(), args.size(), err);
+ Variant value;
+ Variant::construct(builtin_type, value, (const Variant **)args.ptr(), args.size(), err);
switch (err.error) {
case Callable::CallError::CALL_ERROR_INVALID_ARGUMENT:
@@ -1984,8 +2009,6 @@ void GDScriptAnalyzer::reduce_cast(GDScriptParser::CastNode *p_cast) {
}
void GDScriptAnalyzer::reduce_dictionary(GDScriptParser::DictionaryNode *p_dictionary) {
- bool all_is_constant = true;
-
HashMap<Variant, GDScriptParser::ExpressionNode *, VariantHasher, VariantComparator> elements;
for (int i = 0; i < p_dictionary->elements.size(); i++) {
@@ -1994,7 +2017,6 @@ void GDScriptAnalyzer::reduce_dictionary(GDScriptParser::DictionaryNode *p_dicti
reduce_expression(element.key);
}
reduce_expression(element.value);
- all_is_constant = all_is_constant && element.key->is_constant && element.value->is_constant;
if (element.key->is_constant) {
if (elements.has(element.key->reduced_value)) {
@@ -2005,16 +2027,6 @@ void GDScriptAnalyzer::reduce_dictionary(GDScriptParser::DictionaryNode *p_dicti
}
}
- if (all_is_constant) {
- Dictionary dict;
- for (int i = 0; i < p_dictionary->elements.size(); i++) {
- const GDScriptParser::DictionaryNode::Pair &element = p_dictionary->elements[i];
- dict[element.key->reduced_value] = element.value->reduced_value;
- }
- p_dictionary->is_constant = true;
- p_dictionary->reduced_value = dict;
- }
-
// It's dictionary in any case.
GDScriptParser::DataType dict_type;
dict_type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT;
@@ -2039,9 +2051,17 @@ void GDScriptAnalyzer::reduce_get_node(GDScriptParser::GetNodeNode *p_get_node)
p_get_node->set_datatype(result);
}
-GDScriptParser::DataType GDScriptAnalyzer::make_global_class_meta_type(const StringName &p_class_name) {
+GDScriptParser::DataType GDScriptAnalyzer::make_global_class_meta_type(const StringName &p_class_name, const GDScriptParser::Node *p_source) {
Ref<GDScriptParserRef> ref = get_parser_for(ScriptServer::get_global_class_path(p_class_name));
- ref->raise_status(GDScriptParserRef::INTERFACE_SOLVED);
+ Error err = ref->raise_status(GDScriptParserRef::INTERFACE_SOLVED);
+
+ if (err) {
+ push_error(vformat(R"(Could not resolve class "%s", because of a parser error.)", p_class_name), p_source);
+ GDScriptParser::DataType type;
+ type.type_source = GDScriptParser::DataType::UNDETECTED;
+ type.kind = GDScriptParser::DataType::VARIANT;
+ return type;
+ }
GDScriptParser::DataType type;
type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT;
@@ -2090,7 +2110,8 @@ void GDScriptAnalyzer::reduce_identifier_from_base(GDScriptParser::IdentifierNod
}
default: {
Callable::CallError temp;
- Variant dummy = Variant::construct(base.builtin_type, nullptr, 0, temp);
+ Variant dummy;
+ Variant::construct(base.builtin_type, dummy, nullptr, 0, temp);
List<PropertyInfo> properties;
dummy.get_property_list(&properties);
for (const List<PropertyInfo>::Element *E = properties.front(); E != nullptr; E = E->next()) {
@@ -2294,10 +2315,12 @@ void GDScriptAnalyzer::reduce_identifier(GDScriptParser::IdentifierNode *p_ident
StringName name = p_identifier->name;
p_identifier->source = GDScriptParser::IdentifierNode::UNDEFINED_SOURCE;
- // Check globals.
- if (GDScriptParser::get_builtin_type(name) < Variant::VARIANT_MAX) {
+ // Check globals. We make an exception for Variant::OBJECT because it's the base class for
+ // non-builtin types so we allow doing e.g. Object.new()
+ Variant::Type builtin_type = GDScriptParser::get_builtin_type(name);
+ if (builtin_type != Variant::OBJECT && builtin_type < Variant::VARIANT_MAX) {
if (can_be_builtin) {
- p_identifier->set_datatype(make_builtin_meta_type(GDScriptParser::get_builtin_type(name)));
+ p_identifier->set_datatype(make_builtin_meta_type(builtin_type));
return;
} else {
push_error(R"(Builtin type cannot be used as a name on its own.)", p_identifier);
@@ -2310,7 +2333,7 @@ void GDScriptAnalyzer::reduce_identifier(GDScriptParser::IdentifierNode *p_ident
}
if (ScriptServer::is_global_class(name)) {
- p_identifier->set_datatype(make_global_class_meta_type(name));
+ p_identifier->set_datatype(make_global_class_meta_type(name, p_identifier));
return;
}
@@ -2451,7 +2474,7 @@ void GDScriptAnalyzer::reduce_subscript(GDScriptParser::SubscriptNode *p_subscri
if (p_subscript->base->is_constant) {
// Just try to get it.
bool valid = false;
- Variant value = p_subscript->base->reduced_value.get_named(p_subscript->attribute->name, &valid);
+ Variant value = p_subscript->base->reduced_value.get_named(p_subscript->attribute->name, valid);
if (!valid) {
push_error(vformat(R"(Cannot get member "%s" from "%s".)", p_subscript->attribute->name, p_subscript->base->reduced_value), p_subscript->index);
} else {
@@ -2552,7 +2575,7 @@ void GDScriptAnalyzer::reduce_subscript(GDScriptParser::SubscriptNode *p_subscri
error = index_type.builtin_type != Variant::INT && index_type.builtin_type != Variant::STRING;
break;
// Don't support indexing, but we will check it later.
- case Variant::_RID:
+ case Variant::RID:
case Variant::BOOL:
case Variant::CALLABLE:
case Variant::FLOAT:
@@ -2585,7 +2608,7 @@ void GDScriptAnalyzer::reduce_subscript(GDScriptParser::SubscriptNode *p_subscri
switch (base_type.builtin_type) {
// Can't index at all.
- case Variant::_RID:
+ case Variant::RID:
case Variant::BOOL:
case Variant::CALLABLE:
case Variant::FLOAT:
@@ -2727,7 +2750,7 @@ void GDScriptAnalyzer::reduce_unary_op(GDScriptParser::UnaryOpNode *p_unary_op)
mark_node_unsafe(p_unary_op);
} else {
bool valid = false;
- result = get_operation_type(p_unary_op->variant_op, p_unary_op->operand->get_datatype(), p_unary_op->operand->get_datatype(), valid, p_unary_op);
+ result = get_operation_type(p_unary_op->variant_op, p_unary_op->operand->get_datatype(), valid, p_unary_op);
if (!valid) {
push_error(vformat(R"(Invalid operand of type "%s" for unary operator "%s".)", p_unary_op->operand->get_datatype().to_string(), Variant::get_operator_name(p_unary_op->variant_op)), p_unary_op->operand);
@@ -2737,6 +2760,46 @@ void GDScriptAnalyzer::reduce_unary_op(GDScriptParser::UnaryOpNode *p_unary_op)
p_unary_op->set_datatype(result);
}
+void GDScriptAnalyzer::const_fold_array(GDScriptParser::ArrayNode *p_array) {
+ bool all_is_constant = true;
+
+ for (int i = 0; i < p_array->elements.size(); i++) {
+ GDScriptParser::ExpressionNode *element = p_array->elements[i];
+ all_is_constant = all_is_constant && element->is_constant;
+ if (!all_is_constant) {
+ return;
+ }
+ }
+
+ Array array;
+ array.resize(p_array->elements.size());
+ for (int i = 0; i < p_array->elements.size(); i++) {
+ array[i] = p_array->elements[i]->reduced_value;
+ }
+ p_array->is_constant = true;
+ p_array->reduced_value = array;
+}
+
+void GDScriptAnalyzer::const_fold_dictionary(GDScriptParser::DictionaryNode *p_dictionary) {
+ bool all_is_constant = true;
+
+ for (int i = 0; i < p_dictionary->elements.size(); i++) {
+ const GDScriptParser::DictionaryNode::Pair &element = p_dictionary->elements[i];
+ all_is_constant = all_is_constant && element.key->is_constant && element.value->is_constant;
+ if (!all_is_constant) {
+ return;
+ }
+ }
+
+ Dictionary dict;
+ for (int i = 0; i < p_dictionary->elements.size(); i++) {
+ const GDScriptParser::DictionaryNode::Pair &element = p_dictionary->elements[i];
+ dict[element.key->reduced_value] = element.value->reduced_value;
+ }
+ p_dictionary->is_constant = true;
+ p_dictionary->reduced_value = dict;
+}
+
GDScriptParser::DataType GDScriptAnalyzer::type_from_variant(const Variant &p_value, const GDScriptParser::Node *p_source) {
GDScriptParser::DataType result;
result.is_constant = true;
@@ -2842,7 +2905,8 @@ bool GDScriptAnalyzer::get_function_signature(GDScriptParser::Node *p_source, GD
if (p_base_type.kind == GDScriptParser::DataType::BUILTIN) {
// Construct a base type to get methods.
Callable::CallError err;
- Variant dummy = Variant::construct(p_base_type.builtin_type, nullptr, 0, err);
+ Variant dummy;
+ Variant::construct(p_base_type.builtin_type, dummy, nullptr, 0, err);
if (err.error != Callable::CallError::CALL_OK) {
ERR_FAIL_V_MSG(false, "Could not construct base Variant type.");
}
@@ -3052,81 +3116,31 @@ bool GDScriptAnalyzer::is_shadowing(GDScriptParser::IdentifierNode *p_local, con
}
#endif
-GDScriptParser::DataType GDScriptAnalyzer::get_operation_type(Variant::Operator p_operation, const GDScriptParser::DataType &p_a, const GDScriptParser::DataType &p_b, bool &r_valid, const GDScriptParser::Node *p_source) {
- // This function creates dummy variant values and apply the operation to those. Less error-prone than keeping a table of valid operations.
+GDScriptParser::DataType GDScriptAnalyzer::get_operation_type(Variant::Operator p_operation, const GDScriptParser::DataType &p_a, bool &r_valid, const GDScriptParser::Node *p_source) {
+ // Unary version.
+ GDScriptParser::DataType nil_type;
+ nil_type.builtin_type = Variant::NIL;
+ return get_operation_type(p_operation, p_a, nil_type, r_valid, p_source);
+}
+GDScriptParser::DataType GDScriptAnalyzer::get_operation_type(Variant::Operator p_operation, const GDScriptParser::DataType &p_a, const GDScriptParser::DataType &p_b, bool &r_valid, const GDScriptParser::Node *p_source) {
GDScriptParser::DataType result;
result.kind = GDScriptParser::DataType::VARIANT;
Variant::Type a_type = p_a.builtin_type;
Variant::Type b_type = p_b.builtin_type;
- Variant a;
- REF a_ref;
- if (a_type == Variant::OBJECT) {
- a_ref.instance();
- a = a_ref;
- } else {
- Callable::CallError err;
- a = Variant::construct(a_type, nullptr, 0, err);
- if (err.error != Callable::CallError::CALL_OK) {
- r_valid = false;
- ERR_FAIL_V_MSG(result, vformat("Could not construct value of type %s", Variant::get_type_name(a_type)));
- }
- }
- Variant b;
- REF b_ref;
- if (b_type == Variant::OBJECT) {
- b_ref.instance();
- b = b_ref;
- } else {
- Callable::CallError err;
- b = Variant::construct(b_type, nullptr, 0, err);
- if (err.error != Callable::CallError::CALL_OK) {
- r_valid = false;
- ERR_FAIL_V_MSG(result, vformat("Could not construct value of type %s", Variant::get_type_name(b_type)));
- }
- }
-
- // Avoid division by zero.
- switch (b_type) {
- case Variant::INT:
- b = 1;
- break;
- case Variant::FLOAT:
- b = 1.0;
- break;
- case Variant::VECTOR2:
- b = Vector2(1.0, 1.0);
- break;
- case Variant::VECTOR2I:
- b = Vector2i(1, 1);
- break;
- case Variant::VECTOR3:
- b = Vector3(1.0, 1.0, 1.0);
- break;
- case Variant::VECTOR3I:
- b = Vector3i(1, 1, 1);
- break;
- case Variant::COLOR:
- b = Color(1.0, 1.0, 1.0, 1.0);
- break;
- default:
- // No change needed.
- break;
- }
+ Variant::ValidatedOperatorEvaluator op_eval = Variant::get_validated_operator_evaluator(p_operation, a_type, b_type);
- // Avoid error in formatting operator (%) where it doesn't find a placeholder.
- if (a_type == Variant::STRING && b_type != Variant::ARRAY) {
- a = String("%s");
+ if (op_eval == nullptr) {
+ r_valid = false;
+ return result;
}
- Variant ret;
- Variant::evaluate(p_operation, a, b, ret, r_valid);
+ r_valid = true;
- if (r_valid) {
- return type_from_variant(ret, p_source);
- }
+ result.kind = GDScriptParser::DataType::BUILTIN;
+ result.builtin_type = Variant::get_operator_return_type(p_operation, a_type, b_type);
return result;
}
@@ -3328,7 +3342,6 @@ Error GDScriptAnalyzer::resolve_program() {
}
depended_parsers[E->get()]->raise_status(GDScriptParserRef::FULLY_SOLVED);
}
- depended_parsers.clear();
return parser->errors.empty() ? OK : ERR_PARSE_ERROR;
}