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gdscript_vm.cpp
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gdscript_vm.cpp
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/**************************************************************************/
/* gdscript_vm.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#include "gdscript.h"
#include "gdscript_function.h"
#include "gdscript_lambda_callable.h"
#include "core/os/os.h"
#ifdef DEBUG_ENABLED
static bool _profile_count_as_native(const Object *p_base_obj, const StringName &p_methodname) {
if (!p_base_obj) {
return false;
}
StringName cname = p_base_obj->get_class_name();
if ((p_methodname == "new" && cname == "GDScript") || p_methodname == "call") {
return false;
}
return ClassDB::class_exists(cname) && ClassDB::has_method(cname, p_methodname, false);
}
static String _get_element_type(Variant::Type builtin_type, const StringName &native_type, const Ref<Script> &script_type) {
if (script_type.is_valid() && script_type->is_valid()) {
return GDScript::debug_get_script_name(script_type);
} else if (native_type != StringName()) {
return native_type.operator String();
} else {
return Variant::get_type_name(builtin_type);
}
}
static String _get_var_type(const Variant *p_var) {
String basestr;
if (p_var->get_type() == Variant::OBJECT) {
bool was_freed;
Object *bobj = p_var->get_validated_object_with_check(was_freed);
if (!bobj) {
if (was_freed) {
basestr = "previously freed";
} else {
basestr = "null instance";
}
} else {
if (bobj->is_class_ptr(GDScriptNativeClass::get_class_ptr_static())) {
basestr = Object::cast_to<GDScriptNativeClass>(bobj)->get_name();
} else {
basestr = bobj->get_class();
if (bobj->get_script_instance()) {
basestr += " (" + GDScript::debug_get_script_name(bobj->get_script_instance()->get_script()) + ")";
}
}
}
} else {
if (p_var->get_type() == Variant::ARRAY) {
basestr = "Array";
const Array *p_array = VariantInternal::get_array(p_var);
if (p_array->is_typed()) {
basestr += "[" + _get_element_type((Variant::Type)p_array->get_typed_builtin(), p_array->get_typed_class_name(), p_array->get_typed_script()) + "]";
}
} else if (p_var->get_type() == Variant::DICTIONARY) {
basestr = "Dictionary";
const Dictionary *p_dictionary = VariantInternal::get_dictionary(p_var);
if (p_dictionary->is_typed()) {
basestr += "[" + _get_element_type((Variant::Type)p_dictionary->get_typed_key_builtin(), p_dictionary->get_typed_key_class_name(), p_dictionary->get_typed_key_script()) +
", " + _get_element_type((Variant::Type)p_dictionary->get_typed_value_builtin(), p_dictionary->get_typed_value_class_name(), p_dictionary->get_typed_value_script()) + "]";
}
} else {
basestr = Variant::get_type_name(p_var->get_type());
}
}
return basestr;
}
void GDScriptFunction::_profile_native_call(uint64_t p_t_taken, const String &p_func_name, const String &p_instance_class_name) {
HashMap<String, Profile::NativeProfile>::Iterator inner_prof = profile.native_calls.find(p_func_name);
if (inner_prof) {
inner_prof->value.call_count += 1;
} else {
String sig = vformat("%s::0::%s%s%s", get_script()->get_script_path(), p_instance_class_name, p_instance_class_name.is_empty() ? "" : ".", p_func_name);
inner_prof = profile.native_calls.insert(p_func_name, Profile::NativeProfile{ 1, 0, sig });
}
inner_prof->value.total_time += p_t_taken;
}
#endif // DEBUG_ENABLED
Variant GDScriptFunction::_get_default_variant_for_data_type(const GDScriptDataType &p_data_type) {
if (p_data_type.kind == GDScriptDataType::BUILTIN) {
if (p_data_type.builtin_type == Variant::ARRAY) {
Array array;
// Typed array.
if (p_data_type.has_container_element_type(0)) {
const GDScriptDataType &element_type = p_data_type.get_container_element_type(0);
array.set_typed(element_type.builtin_type, element_type.native_type, element_type.script_type);
}
return array;
} else if (p_data_type.builtin_type == Variant::DICTIONARY) {
Dictionary dict;
// Typed dictionary.
if (p_data_type.has_container_element_types()) {
const GDScriptDataType &key_type = p_data_type.get_container_element_type_or_variant(0);
const GDScriptDataType &value_type = p_data_type.get_container_element_type_or_variant(1);
dict.set_typed(key_type.builtin_type, key_type.native_type, key_type.script_type, value_type.builtin_type, value_type.native_type, value_type.script_type);
}
return dict;
} else {
Callable::CallError ce;
Variant variant;
Variant::construct(p_data_type.builtin_type, variant, nullptr, 0, ce);
ERR_FAIL_COND_V(ce.error != Callable::CallError::CALL_OK, Variant());
return variant;
}
}
return Variant();
}
String GDScriptFunction::_get_call_error(const String &p_where, const Variant **p_argptrs, const Variant &p_ret, const Callable::CallError &p_err) const {
switch (p_err.error) {
case Callable::CallError::CALL_OK:
return String();
case Callable::CallError::CALL_ERROR_INVALID_METHOD:
if (p_ret.get_type() == Variant::STRING && !p_ret.operator String().is_empty()) {
return "Invalid call " + p_where + ": " + p_ret.operator String();
}
return "Invalid call. Nonexistent " + p_where + ".";
case Callable::CallError::CALL_ERROR_INVALID_ARGUMENT:
ERR_FAIL_COND_V_MSG(p_err.argument < 0 || p_argptrs[p_err.argument] == nullptr, "Bug: Invalid CallError argument index or null pointer.", "Bug: Invalid CallError argument index or null pointer.");
// Handle the Object to Object case separately as we don't have further class details.
#ifdef DEBUG_ENABLED
if (p_err.expected == Variant::OBJECT && p_argptrs[p_err.argument]->get_type() == p_err.expected) {
return "Invalid type in " + p_where + ". The Object-derived class of argument " + itos(p_err.argument + 1) + " (" + _get_var_type(p_argptrs[p_err.argument]) + ") is not a subclass of the expected argument class.";
}
if (p_err.expected == Variant::ARRAY && p_argptrs[p_err.argument]->get_type() == p_err.expected) {
return "Invalid type in " + p_where + ". The array of argument " + itos(p_err.argument + 1) + " (" + _get_var_type(p_argptrs[p_err.argument]) + ") does not have the same element type as the expected typed array argument.";
}
if (p_err.expected == Variant::DICTIONARY && p_argptrs[p_err.argument]->get_type() == p_err.expected) {
return "Invalid type in " + p_where + ". The dictionary of argument " + itos(p_err.argument + 1) + " (" + _get_var_type(p_argptrs[p_err.argument]) + ") does not have the same element type as the expected typed dictionary argument.";
}
#endif // DEBUG_ENABLED
return "Invalid type in " + p_where + ". Cannot convert argument " + itos(p_err.argument + 1) + " from " + Variant::get_type_name(p_argptrs[p_err.argument]->get_type()) + " to " + Variant::get_type_name(Variant::Type(p_err.expected)) + ".";
case Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS:
case Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS:
return "Invalid call to " + p_where + ". Expected " + itos(p_err.expected) + " arguments.";
case Callable::CallError::CALL_ERROR_INSTANCE_IS_NULL:
return "Attempt to call " + p_where + " on a null instance.";
case Callable::CallError::CALL_ERROR_METHOD_NOT_CONST:
return "Attempt to call " + p_where + " on a const instance.";
}
return "Bug: Invalid call error code " + itos(p_err.error) + ".";
}
void (*type_init_function_table[])(Variant *) = {
nullptr, // NIL (shouldn't be called).
&VariantInitializer<bool>::init, // BOOL.
&VariantInitializer<int64_t>::init, // INT.
&VariantInitializer<double>::init, // FLOAT.
&VariantInitializer<String>::init, // STRING.
&VariantInitializer<Vector2>::init, // VECTOR2.
&VariantInitializer<Vector2i>::init, // VECTOR2I.
&VariantInitializer<Rect2>::init, // RECT2.
&VariantInitializer<Rect2i>::init, // RECT2I.
&VariantInitializer<Vector3>::init, // VECTOR3.
&VariantInitializer<Vector3i>::init, // VECTOR3I.
&VariantInitializer<Transform2D>::init, // TRANSFORM2D.
&VariantInitializer<Vector4>::init, // VECTOR4.
&VariantInitializer<Vector4i>::init, // VECTOR4I.
&VariantInitializer<Plane>::init, // PLANE.
&VariantInitializer<Quaternion>::init, // QUATERNION.
&VariantInitializer<AABB>::init, // AABB.
&VariantInitializer<Basis>::init, // BASIS.
&VariantInitializer<Transform3D>::init, // TRANSFORM3D.
&VariantInitializer<Projection>::init, // PROJECTION.
&VariantInitializer<Color>::init, // COLOR.
&VariantInitializer<StringName>::init, // STRING_NAME.
&VariantInitializer<NodePath>::init, // NODE_PATH.
&VariantInitializer<RID>::init, // RID.
&VariantInitializer<Object *>::init, // OBJECT.
&VariantInitializer<Callable>::init, // CALLABLE.
&VariantInitializer<Signal>::init, // SIGNAL.
&VariantInitializer<Dictionary>::init, // DICTIONARY.
&VariantInitializer<Array>::init, // ARRAY.
&VariantInitializer<PackedByteArray>::init, // PACKED_BYTE_ARRAY.
&VariantInitializer<PackedInt32Array>::init, // PACKED_INT32_ARRAY.
&VariantInitializer<PackedInt64Array>::init, // PACKED_INT64_ARRAY.
&VariantInitializer<PackedFloat32Array>::init, // PACKED_FLOAT32_ARRAY.
&VariantInitializer<PackedFloat64Array>::init, // PACKED_FLOAT64_ARRAY.
&VariantInitializer<PackedStringArray>::init, // PACKED_STRING_ARRAY.
&VariantInitializer<PackedVector2Array>::init, // PACKED_VECTOR2_ARRAY.
&VariantInitializer<PackedVector3Array>::init, // PACKED_VECTOR3_ARRAY.
&VariantInitializer<PackedColorArray>::init, // PACKED_COLOR_ARRAY.
&VariantInitializer<PackedVector4Array>::init, // PACKED_VECTOR4_ARRAY.
};
#if defined(__GNUC__) || defined(__clang__)
#define OPCODES_TABLE \
static const void *switch_table_ops[] = { \
&&OPCODE_OPERATOR, \
&&OPCODE_OPERATOR_VALIDATED, \
&&OPCODE_TYPE_TEST_BUILTIN, \
&&OPCODE_TYPE_TEST_ARRAY, \
&&OPCODE_TYPE_TEST_DICTIONARY, \
&&OPCODE_TYPE_TEST_NATIVE, \
&&OPCODE_TYPE_TEST_SCRIPT, \
&&OPCODE_SET_KEYED, \
&&OPCODE_SET_KEYED_VALIDATED, \
&&OPCODE_SET_INDEXED_VALIDATED, \
&&OPCODE_GET_KEYED, \
&&OPCODE_GET_KEYED_VALIDATED, \
&&OPCODE_GET_INDEXED_VALIDATED, \
&&OPCODE_SET_NAMED, \
&&OPCODE_SET_NAMED_VALIDATED, \
&&OPCODE_GET_NAMED, \
&&OPCODE_GET_NAMED_VALIDATED, \
&&OPCODE_SET_MEMBER, \
&&OPCODE_GET_MEMBER, \
&&OPCODE_SET_STATIC_VARIABLE, \
&&OPCODE_GET_STATIC_VARIABLE, \
&&OPCODE_ASSIGN, \
&&OPCODE_ASSIGN_NULL, \
&&OPCODE_ASSIGN_TRUE, \
&&OPCODE_ASSIGN_FALSE, \
&&OPCODE_ASSIGN_TYPED_BUILTIN, \
&&OPCODE_ASSIGN_TYPED_ARRAY, \
&&OPCODE_ASSIGN_TYPED_DICTIONARY, \
&&OPCODE_ASSIGN_TYPED_NATIVE, \
&&OPCODE_ASSIGN_TYPED_SCRIPT, \
&&OPCODE_CAST_TO_BUILTIN, \
&&OPCODE_CAST_TO_NATIVE, \
&&OPCODE_CAST_TO_SCRIPT, \
&&OPCODE_CONSTRUCT, \
&&OPCODE_CONSTRUCT_VALIDATED, \
&&OPCODE_CONSTRUCT_ARRAY, \
&&OPCODE_CONSTRUCT_TYPED_ARRAY, \
&&OPCODE_CONSTRUCT_DICTIONARY, \
&&OPCODE_CONSTRUCT_TYPED_DICTIONARY, \
&&OPCODE_CALL, \
&&OPCODE_CALL_RETURN, \
&&OPCODE_CALL_ASYNC, \
&&OPCODE_CALL_UTILITY, \
&&OPCODE_CALL_UTILITY_VALIDATED, \
&&OPCODE_CALL_GDSCRIPT_UTILITY, \
&&OPCODE_CALL_BUILTIN_TYPE_VALIDATED, \
&&OPCODE_CALL_SELF_BASE, \
&&OPCODE_CALL_METHOD_BIND, \
&&OPCODE_CALL_METHOD_BIND_RET, \
&&OPCODE_CALL_BUILTIN_STATIC, \
&&OPCODE_CALL_NATIVE_STATIC, \
&&OPCODE_CALL_NATIVE_STATIC_VALIDATED_RETURN, \
&&OPCODE_CALL_NATIVE_STATIC_VALIDATED_NO_RETURN, \
&&OPCODE_CALL_METHOD_BIND_VALIDATED_RETURN, \
&&OPCODE_CALL_METHOD_BIND_VALIDATED_NO_RETURN, \
&&OPCODE_AWAIT, \
&&OPCODE_AWAIT_RESUME, \
&&OPCODE_CREATE_LAMBDA, \
&&OPCODE_CREATE_SELF_LAMBDA, \
&&OPCODE_JUMP, \
&&OPCODE_JUMP_IF, \
&&OPCODE_JUMP_IF_NOT, \
&&OPCODE_JUMP_TO_DEF_ARGUMENT, \
&&OPCODE_JUMP_IF_SHARED, \
&&OPCODE_RETURN, \
&&OPCODE_RETURN_TYPED_BUILTIN, \
&&OPCODE_RETURN_TYPED_ARRAY, \
&&OPCODE_RETURN_TYPED_DICTIONARY, \
&&OPCODE_RETURN_TYPED_NATIVE, \
&&OPCODE_RETURN_TYPED_SCRIPT, \
&&OPCODE_ITERATE_BEGIN, \
&&OPCODE_ITERATE_BEGIN_INT, \
&&OPCODE_ITERATE_BEGIN_FLOAT, \
&&OPCODE_ITERATE_BEGIN_VECTOR2, \
&&OPCODE_ITERATE_BEGIN_VECTOR2I, \
&&OPCODE_ITERATE_BEGIN_VECTOR3, \
&&OPCODE_ITERATE_BEGIN_VECTOR3I, \
&&OPCODE_ITERATE_BEGIN_STRING, \
&&OPCODE_ITERATE_BEGIN_DICTIONARY, \
&&OPCODE_ITERATE_BEGIN_ARRAY, \
&&OPCODE_ITERATE_BEGIN_PACKED_BYTE_ARRAY, \
&&OPCODE_ITERATE_BEGIN_PACKED_INT32_ARRAY, \
&&OPCODE_ITERATE_BEGIN_PACKED_INT64_ARRAY, \
&&OPCODE_ITERATE_BEGIN_PACKED_FLOAT32_ARRAY, \
&&OPCODE_ITERATE_BEGIN_PACKED_FLOAT64_ARRAY, \
&&OPCODE_ITERATE_BEGIN_PACKED_STRING_ARRAY, \
&&OPCODE_ITERATE_BEGIN_PACKED_VECTOR2_ARRAY, \
&&OPCODE_ITERATE_BEGIN_PACKED_VECTOR3_ARRAY, \
&&OPCODE_ITERATE_BEGIN_PACKED_COLOR_ARRAY, \
&&OPCODE_ITERATE_BEGIN_PACKED_VECTOR4_ARRAY, \
&&OPCODE_ITERATE_BEGIN_OBJECT, \
&&OPCODE_ITERATE, \
&&OPCODE_ITERATE_INT, \
&&OPCODE_ITERATE_FLOAT, \
&&OPCODE_ITERATE_VECTOR2, \
&&OPCODE_ITERATE_VECTOR2I, \
&&OPCODE_ITERATE_VECTOR3, \
&&OPCODE_ITERATE_VECTOR3I, \
&&OPCODE_ITERATE_STRING, \
&&OPCODE_ITERATE_DICTIONARY, \
&&OPCODE_ITERATE_ARRAY, \
&&OPCODE_ITERATE_PACKED_BYTE_ARRAY, \
&&OPCODE_ITERATE_PACKED_INT32_ARRAY, \
&&OPCODE_ITERATE_PACKED_INT64_ARRAY, \
&&OPCODE_ITERATE_PACKED_FLOAT32_ARRAY, \
&&OPCODE_ITERATE_PACKED_FLOAT64_ARRAY, \
&&OPCODE_ITERATE_PACKED_STRING_ARRAY, \
&&OPCODE_ITERATE_PACKED_VECTOR2_ARRAY, \
&&OPCODE_ITERATE_PACKED_VECTOR3_ARRAY, \
&&OPCODE_ITERATE_PACKED_COLOR_ARRAY, \
&&OPCODE_ITERATE_PACKED_VECTOR4_ARRAY, \
&&OPCODE_ITERATE_OBJECT, \
&&OPCODE_STORE_GLOBAL, \
&&OPCODE_STORE_NAMED_GLOBAL, \
&&OPCODE_TYPE_ADJUST_BOOL, \
&&OPCODE_TYPE_ADJUST_INT, \
&&OPCODE_TYPE_ADJUST_FLOAT, \
&&OPCODE_TYPE_ADJUST_STRING, \
&&OPCODE_TYPE_ADJUST_VECTOR2, \
&&OPCODE_TYPE_ADJUST_VECTOR2I, \
&&OPCODE_TYPE_ADJUST_RECT2, \
&&OPCODE_TYPE_ADJUST_RECT2I, \
&&OPCODE_TYPE_ADJUST_VECTOR3, \
&&OPCODE_TYPE_ADJUST_VECTOR3I, \
&&OPCODE_TYPE_ADJUST_TRANSFORM2D, \
&&OPCODE_TYPE_ADJUST_VECTOR4, \
&&OPCODE_TYPE_ADJUST_VECTOR4I, \
&&OPCODE_TYPE_ADJUST_PLANE, \
&&OPCODE_TYPE_ADJUST_QUATERNION, \
&&OPCODE_TYPE_ADJUST_AABB, \
&&OPCODE_TYPE_ADJUST_BASIS, \
&&OPCODE_TYPE_ADJUST_TRANSFORM3D, \
&&OPCODE_TYPE_ADJUST_PROJECTION, \
&&OPCODE_TYPE_ADJUST_COLOR, \
&&OPCODE_TYPE_ADJUST_STRING_NAME, \
&&OPCODE_TYPE_ADJUST_NODE_PATH, \
&&OPCODE_TYPE_ADJUST_RID, \
&&OPCODE_TYPE_ADJUST_OBJECT, \
&&OPCODE_TYPE_ADJUST_CALLABLE, \
&&OPCODE_TYPE_ADJUST_SIGNAL, \
&&OPCODE_TYPE_ADJUST_DICTIONARY, \
&&OPCODE_TYPE_ADJUST_ARRAY, \
&&OPCODE_TYPE_ADJUST_PACKED_BYTE_ARRAY, \
&&OPCODE_TYPE_ADJUST_PACKED_INT32_ARRAY, \
&&OPCODE_TYPE_ADJUST_PACKED_INT64_ARRAY, \
&&OPCODE_TYPE_ADJUST_PACKED_FLOAT32_ARRAY, \
&&OPCODE_TYPE_ADJUST_PACKED_FLOAT64_ARRAY, \
&&OPCODE_TYPE_ADJUST_PACKED_STRING_ARRAY, \
&&OPCODE_TYPE_ADJUST_PACKED_VECTOR2_ARRAY, \
&&OPCODE_TYPE_ADJUST_PACKED_VECTOR3_ARRAY, \
&&OPCODE_TYPE_ADJUST_PACKED_COLOR_ARRAY, \
&&OPCODE_TYPE_ADJUST_PACKED_VECTOR4_ARRAY, \
&&OPCODE_ASSERT, \
&&OPCODE_BREAKPOINT, \
&&OPCODE_LINE, \
&&OPCODE_END \
}; \
static_assert((sizeof(switch_table_ops) / sizeof(switch_table_ops[0]) == (OPCODE_END + 1)), "Opcodes in jump table aren't the same as opcodes in enum.");
#define OPCODE(m_op) \
m_op:
#define OPCODE_WHILE(m_test)
#define OPCODES_END \
OPSEXIT:
#define OPCODES_OUT \
OPSOUT:
#define OPCODE_SWITCH(m_test) goto *switch_table_ops[m_test];
#ifdef DEBUG_ENABLED
#define DISPATCH_OPCODE \
last_opcode = _code_ptr[ip]; \
goto *switch_table_ops[last_opcode]
#else // !DEBUG_ENABLED
#define DISPATCH_OPCODE goto *switch_table_ops[_code_ptr[ip]]
#endif // DEBUG_ENABLED
#define OPCODE_BREAK goto OPSEXIT
#define OPCODE_OUT goto OPSOUT
#else // !(defined(__GNUC__) || defined(__clang__))
#define OPCODES_TABLE
#define OPCODE(m_op) case m_op:
#define OPCODE_WHILE(m_test) while (m_test)
#define OPCODES_END
#define OPCODES_OUT
#define DISPATCH_OPCODE continue
#ifdef _MSC_VER
#define OPCODE_SWITCH(m_test) \
__assume(m_test <= OPCODE_END); \
switch (m_test)
#else // !_MSC_VER
#define OPCODE_SWITCH(m_test) switch (m_test)
#endif // _MSC_VER
#define OPCODE_BREAK break
#define OPCODE_OUT break
#endif // defined(__GNUC__) || defined(__clang__)
// Helpers for VariantInternal methods in macros.
#define OP_GET_BOOL get_bool
#define OP_GET_INT get_int
#define OP_GET_FLOAT get_float
#define OP_GET_VECTOR2 get_vector2
#define OP_GET_VECTOR2I get_vector2i
#define OP_GET_VECTOR3 get_vector3
#define OP_GET_VECTOR3I get_vector3i
#define OP_GET_RECT2 get_rect2
#define OP_GET_VECTOR4 get_vector4
#define OP_GET_VECTOR4I get_vector4i
#define OP_GET_RECT2I get_rect2i
#define OP_GET_QUATERNION get_quaternion
#define OP_GET_COLOR get_color
#define OP_GET_STRING get_string
#define OP_GET_STRING_NAME get_string_name
#define OP_GET_NODE_PATH get_node_path
#define OP_GET_CALLABLE get_callable
#define OP_GET_SIGNAL get_signal
#define OP_GET_ARRAY get_array
#define OP_GET_DICTIONARY get_dictionary
#define OP_GET_PACKED_BYTE_ARRAY get_byte_array
#define OP_GET_PACKED_INT32_ARRAY get_int32_array
#define OP_GET_PACKED_INT64_ARRAY get_int64_array
#define OP_GET_PACKED_FLOAT32_ARRAY get_float32_array
#define OP_GET_PACKED_FLOAT64_ARRAY get_float64_array
#define OP_GET_PACKED_STRING_ARRAY get_string_array
#define OP_GET_PACKED_VECTOR2_ARRAY get_vector2_array
#define OP_GET_PACKED_VECTOR3_ARRAY get_vector3_array
#define OP_GET_PACKED_COLOR_ARRAY get_color_array
#define OP_GET_PACKED_VECTOR4_ARRAY get_vector4_array
#define OP_GET_TRANSFORM3D get_transform
#define OP_GET_TRANSFORM2D get_transform2d
#define OP_GET_PROJECTION get_projection
#define OP_GET_PLANE get_plane
#define OP_GET_AABB get_aabb
#define OP_GET_BASIS get_basis
#define OP_GET_RID get_rid
#define METHOD_CALL_ON_NULL_VALUE_ERROR(method_pointer) "Cannot call method '" + (method_pointer)->get_name() + "' on a null value."
#define METHOD_CALL_ON_FREED_INSTANCE_ERROR(method_pointer) "Cannot call method '" + (method_pointer)->get_name() + "' on a previously freed instance."
Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_args, int p_argcount, Callable::CallError &r_err, CallState *p_state) {
OPCODES_TABLE;
if (!_code_ptr) {
return _get_default_variant_for_data_type(return_type);
}
r_err.error = Callable::CallError::CALL_OK;
static thread_local int call_depth = 0;
if (unlikely(++call_depth > MAX_CALL_DEPTH)) {
call_depth--;
#ifdef DEBUG_ENABLED
String err_file;
if (p_instance && ObjectDB::get_instance(p_instance->owner_id) != nullptr && p_instance->script->is_valid() && !p_instance->script->path.is_empty()) {
err_file = p_instance->script->path;
} else if (_script) {
err_file = _script->path;
}
if (err_file.is_empty()) {
err_file = "<built-in>";
}
String err_func = name;
if (p_instance && ObjectDB::get_instance(p_instance->owner_id) != nullptr && p_instance->script->is_valid() && p_instance->script->local_name != StringName()) {
err_func = p_instance->script->local_name.operator String() + "." + err_func;
}
int err_line = _initial_line;
const char *err_text = "Stack overflow. Check for infinite recursion in your script.";
if (!GDScriptLanguage::get_singleton()->debug_break(err_text, false)) {
// Debugger break did not happen.
_err_print_error(err_func.utf8().get_data(), err_file.utf8().get_data(), err_line, err_text, false, ERR_HANDLER_SCRIPT);
}
#endif
return _get_default_variant_for_data_type(return_type);
}
Variant retvalue;
Variant *stack = nullptr;
Variant **instruction_args = nullptr;
int defarg = 0;
uint32_t alloca_size = 0;
GDScript *script;
int ip = 0;
int line = _initial_line;
if (p_state) {
//use existing (supplied) state (awaited)
stack = (Variant *)p_state->stack.ptr();
instruction_args = (Variant **)&p_state->stack.ptr()[sizeof(Variant) * p_state->stack_size]; //ptr() to avoid bounds check
line = p_state->line;
ip = p_state->ip;
alloca_size = p_state->stack.size();
script = p_state->script;
p_instance = p_state->instance;
defarg = p_state->defarg;
} else {
if (p_argcount != _argument_count) {
if (p_argcount > _argument_count) {
r_err.error = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS;
r_err.expected = _argument_count;
call_depth--;
return _get_default_variant_for_data_type(return_type);
} else if (p_argcount < _argument_count - _default_arg_count) {
r_err.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
r_err.expected = _argument_count - _default_arg_count;
call_depth--;
return _get_default_variant_for_data_type(return_type);
} else {
defarg = _argument_count - p_argcount;
}
}
// Add 3 here for self, class, and nil.
alloca_size = sizeof(Variant *) * 3 + sizeof(Variant *) * _instruction_args_size + sizeof(Variant) * _stack_size;
uint8_t *aptr = (uint8_t *)alloca(alloca_size);
stack = (Variant *)aptr;
for (int i = 0; i < p_argcount; i++) {
if (!argument_types[i].has_type) {
memnew_placement(&stack[i + 3], Variant(*p_args[i]));
continue;
}
// If types already match, don't call Variant::construct(). Constructors of some types
// (e.g. packed arrays) do copies, whereas they pass by reference when inside a Variant.
if (argument_types[i].is_type(*p_args[i], false)) {
memnew_placement(&stack[i + 3], Variant(*p_args[i]));
continue;
}
if (!argument_types[i].is_type(*p_args[i], true)) {
r_err.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_err.argument = i;
r_err.expected = argument_types[i].builtin_type;
call_depth--;
return _get_default_variant_for_data_type(return_type);
}
if (argument_types[i].kind == GDScriptDataType::BUILTIN) {
if (argument_types[i].builtin_type == Variant::DICTIONARY && argument_types[i].has_container_element_types()) {
const GDScriptDataType &arg_key_type = argument_types[i].get_container_element_type_or_variant(0);
const GDScriptDataType &arg_value_type = argument_types[i].get_container_element_type_or_variant(1);
Dictionary dict(p_args[i]->operator Dictionary(), arg_key_type.builtin_type, arg_key_type.native_type, arg_key_type.script_type, arg_value_type.builtin_type, arg_value_type.native_type, arg_value_type.script_type);
memnew_placement(&stack[i + 3], Variant(dict));
} else if (argument_types[i].builtin_type == Variant::ARRAY && argument_types[i].has_container_element_type(0)) {
const GDScriptDataType &arg_type = argument_types[i].container_element_types[0];
Array array(p_args[i]->operator Array(), arg_type.builtin_type, arg_type.native_type, arg_type.script_type);
memnew_placement(&stack[i + 3], Variant(array));
} else {
Variant variant;
Variant::construct(argument_types[i].builtin_type, variant, &p_args[i], 1, r_err);
if (unlikely(r_err.error)) {
r_err.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_err.argument = i;
r_err.expected = argument_types[i].builtin_type;
call_depth--;
return _get_default_variant_for_data_type(return_type);
}
memnew_placement(&stack[i + 3], Variant(variant));
}
} else {
memnew_placement(&stack[i + 3], Variant(*p_args[i]));
}
}
for (int i = p_argcount + 3; i < _stack_size; i++) {
memnew_placement(&stack[i], Variant);
}
if (_instruction_args_size) {
instruction_args = (Variant **)&aptr[sizeof(Variant) * _stack_size];
} else {
instruction_args = nullptr;
}
for (const KeyValue<int, Variant::Type> &E : temporary_slots) {
type_init_function_table[E.value](&stack[E.key]);
}
}
if (p_instance) {
memnew_placement(&stack[ADDR_STACK_SELF], Variant(p_instance->owner));
script = p_instance->script.ptr();
} else {
memnew_placement(&stack[ADDR_STACK_SELF], Variant);
script = _script;
}
memnew_placement(&stack[ADDR_STACK_CLASS], Variant(script));
memnew_placement(&stack[ADDR_STACK_NIL], Variant);
String err_text;
#ifdef DEBUG_ENABLED
if (EngineDebugger::is_active()) {
GDScriptLanguage::get_singleton()->enter_function(p_instance, this, stack, &ip, &line);
}
#define GD_ERR_BREAK(m_cond) \
{ \
if (unlikely(m_cond)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition ' " _STR(m_cond) " ' is true. Breaking..:"); \
OPCODE_BREAK; \
} \
}
#define CHECK_SPACE(m_space) \
GD_ERR_BREAK((ip + m_space) > _code_size)
#define GET_VARIANT_PTR(m_v, m_code_ofs) \
Variant *m_v; \
{ \
int address = _code_ptr[ip + 1 + (m_code_ofs)]; \
int address_type = (address & ADDR_TYPE_MASK) >> ADDR_BITS; \
if (unlikely(address_type < 0 || address_type >= ADDR_TYPE_MAX)) { \
err_text = "Bad address type."; \
OPCODE_BREAK; \
} \
int address_index = address & ADDR_MASK; \
if (unlikely(address_index < 0 || address_index >= variant_address_limits[address_type])) { \
if (address_type == ADDR_TYPE_MEMBER && !p_instance) { \
err_text = "Cannot access member without instance."; \
} else { \
err_text = "Bad address index."; \
} \
OPCODE_BREAK; \
} \
m_v = &variant_addresses[address_type][address_index]; \
if (unlikely(!m_v)) \
OPCODE_BREAK; \
}
#else // !DEBUG_ENABLED
#define GD_ERR_BREAK(m_cond)
#define CHECK_SPACE(m_space)
#define GET_VARIANT_PTR(m_v, m_code_ofs) \
Variant *m_v; \
{ \
int address = _code_ptr[ip + 1 + (m_code_ofs)]; \
m_v = &variant_addresses[(address & ADDR_TYPE_MASK) >> ADDR_BITS][address & ADDR_MASK]; \
if (unlikely(!m_v)) \
OPCODE_BREAK; \
}
#endif // DEBUG_ENABLED
#define LOAD_INSTRUCTION_ARGS \
int instr_arg_count = _code_ptr[ip + 1]; \
for (int i = 0; i < instr_arg_count; i++) { \
GET_VARIANT_PTR(v, i + 1); \
instruction_args[i] = v; \
} \
ip += 1; // Offset to skip instruction argcount.
#define GET_INSTRUCTION_ARG(m_v, m_idx) \
Variant *m_v = instruction_args[m_idx]
#ifdef DEBUG_ENABLED
uint64_t function_start_time = 0;
uint64_t function_call_time = 0;
if (GDScriptLanguage::get_singleton()->profiling) {
function_start_time = OS::get_singleton()->get_ticks_usec();
function_call_time = 0;
profile.call_count.increment();
profile.frame_call_count.increment();
}
bool exit_ok = false;
bool awaited = false;
int variant_address_limits[ADDR_TYPE_MAX] = { _stack_size, _constant_count, p_instance ? (int)p_instance->members.size() : 0 };
#endif
Variant *variant_addresses[ADDR_TYPE_MAX] = { stack, _constants_ptr, p_instance ? p_instance->members.ptrw() : nullptr };
#ifdef DEBUG_ENABLED
OPCODE_WHILE(ip < _code_size) {
int last_opcode = _code_ptr[ip];
#else
OPCODE_WHILE(true) {
#endif
OPCODE_SWITCH(_code_ptr[ip]) {
OPCODE(OPCODE_OPERATOR) {
constexpr int _pointer_size = sizeof(Variant::ValidatedOperatorEvaluator) / sizeof(*_code_ptr);
CHECK_SPACE(7 + _pointer_size);
bool valid;
Variant::Operator op = (Variant::Operator)_code_ptr[ip + 4];
GD_ERR_BREAK(op >= Variant::OP_MAX);
GET_VARIANT_PTR(a, 0);
GET_VARIANT_PTR(b, 1);
GET_VARIANT_PTR(dst, 2);
// Compute signatures (types of operands) so it can be optimized when matching.
uint32_t op_signature = _code_ptr[ip + 5];
uint32_t actual_signature = (a->get_type() << 8) | (b->get_type());
#ifdef DEBUG_ENABLED
if (op == Variant::OP_DIVIDE || op == Variant::OP_MODULE) {
// Don't optimize division and modulo since there's not check for division by zero with validated calls.
op_signature = 0xFFFF;
_code_ptr[ip + 5] = op_signature;
}
#endif
// Check if this is the first run. If so, store the current signature for the optimized path.
if (unlikely(op_signature == 0)) {
static Mutex initializer_mutex;
initializer_mutex.lock();
Variant::Type a_type = (Variant::Type)((actual_signature >> 8) & 0xFF);
Variant::Type b_type = (Variant::Type)(actual_signature & 0xFF);
Variant::ValidatedOperatorEvaluator op_func = Variant::get_validated_operator_evaluator(op, a_type, b_type);
if (unlikely(!op_func)) {
#ifdef DEBUG_ENABLED
err_text = "Invalid operands '" + Variant::get_type_name(a->get_type()) + "' and '" + Variant::get_type_name(b->get_type()) + "' in operator '" + Variant::get_operator_name(op) + "'.";
#endif
initializer_mutex.unlock();
OPCODE_BREAK;
} else {
Variant::Type ret_type = Variant::get_operator_return_type(op, a_type, b_type);
VariantInternal::initialize(dst, ret_type);
op_func(a, b, dst);
// Check again in case another thread already set it.
if (_code_ptr[ip + 5] == 0) {
_code_ptr[ip + 5] = actual_signature;
_code_ptr[ip + 6] = static_cast<int>(ret_type);
Variant::ValidatedOperatorEvaluator *tmp = reinterpret_cast<Variant::ValidatedOperatorEvaluator *>(&_code_ptr[ip + 7]);
*tmp = op_func;
}
}
initializer_mutex.unlock();
} else if (likely(op_signature == actual_signature)) {
// If the signature matches, we can use the optimized path.
Variant::Type ret_type = static_cast<Variant::Type>(_code_ptr[ip + 6]);
Variant::ValidatedOperatorEvaluator op_func = *reinterpret_cast<Variant::ValidatedOperatorEvaluator *>(&_code_ptr[ip + 7]);
// Make sure the return value has the correct type.
VariantInternal::initialize(dst, ret_type);
op_func(a, b, dst);
} else {
// If the signature doesn't match, we have to use the slow path.
#ifdef DEBUG_ENABLED
Variant ret;
Variant::evaluate(op, *a, *b, ret, valid);
#else
Variant::evaluate(op, *a, *b, *dst, valid);
#endif
#ifdef DEBUG_ENABLED
if (!valid) {
if (ret.get_type() == Variant::STRING) {
//return a string when invalid with the error
err_text = ret;
err_text += " in operator '" + Variant::get_operator_name(op) + "'.";
} else {
err_text = "Invalid operands '" + Variant::get_type_name(a->get_type()) + "' and '" + Variant::get_type_name(b->get_type()) + "' in operator '" + Variant::get_operator_name(op) + "'.";
}
OPCODE_BREAK;
}
*dst = ret;
#endif
}
ip += 7 + _pointer_size;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_OPERATOR_VALIDATED) {
CHECK_SPACE(5);
int operator_idx = _code_ptr[ip + 4];
GD_ERR_BREAK(operator_idx < 0 || operator_idx >= _operator_funcs_count);
Variant::ValidatedOperatorEvaluator operator_func = _operator_funcs_ptr[operator_idx];
GET_VARIANT_PTR(a, 0);
GET_VARIANT_PTR(b, 1);
GET_VARIANT_PTR(dst, 2);
operator_func(a, b, dst);
ip += 5;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_TYPE_TEST_BUILTIN) {
CHECK_SPACE(4);
GET_VARIANT_PTR(dst, 0);
GET_VARIANT_PTR(value, 1);
Variant::Type builtin_type = (Variant::Type)_code_ptr[ip + 3];
GD_ERR_BREAK(builtin_type < 0 || builtin_type >= Variant::VARIANT_MAX);
*dst = value->get_type() == builtin_type;
ip += 4;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_TYPE_TEST_ARRAY) {
CHECK_SPACE(6);
GET_VARIANT_PTR(dst, 0);
GET_VARIANT_PTR(value, 1);
GET_VARIANT_PTR(script_type, 2);
Variant::Type builtin_type = (Variant::Type)_code_ptr[ip + 4];
int native_type_idx = _code_ptr[ip + 5];
GD_ERR_BREAK(native_type_idx < 0 || native_type_idx >= _global_names_count);
const StringName native_type = _global_names_ptr[native_type_idx];
bool result = false;
if (value->get_type() == Variant::ARRAY) {
Array *array = VariantInternal::get_array(value);
result = array->get_typed_builtin() == ((uint32_t)builtin_type) && array->get_typed_class_name() == native_type && array->get_typed_script() == *script_type;
}
*dst = result;
ip += 6;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_TYPE_TEST_DICTIONARY) {
CHECK_SPACE(9);
GET_VARIANT_PTR(dst, 0);
GET_VARIANT_PTR(value, 1);
GET_VARIANT_PTR(key_script_type, 2);
Variant::Type key_builtin_type = (Variant::Type)_code_ptr[ip + 5];
int key_native_type_idx = _code_ptr[ip + 6];
GD_ERR_BREAK(key_native_type_idx < 0 || key_native_type_idx >= _global_names_count);
const StringName key_native_type = _global_names_ptr[key_native_type_idx];
GET_VARIANT_PTR(value_script_type, 3);
Variant::Type value_builtin_type = (Variant::Type)_code_ptr[ip + 7];
int value_native_type_idx = _code_ptr[ip + 8];
GD_ERR_BREAK(value_native_type_idx < 0 || value_native_type_idx >= _global_names_count);
const StringName value_native_type = _global_names_ptr[value_native_type_idx];
bool result = false;
if (value->get_type() == Variant::DICTIONARY) {
Dictionary *dictionary = VariantInternal::get_dictionary(value);
result = dictionary->get_typed_key_builtin() == ((uint32_t)key_builtin_type) && dictionary->get_typed_key_class_name() == key_native_type && dictionary->get_typed_key_script() == *key_script_type &&
dictionary->get_typed_value_builtin() == ((uint32_t)value_builtin_type) && dictionary->get_typed_value_class_name() == value_native_type && dictionary->get_typed_value_script() == *value_script_type;
}
*dst = result;
ip += 9;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_TYPE_TEST_NATIVE) {
CHECK_SPACE(4);
GET_VARIANT_PTR(dst, 0);
GET_VARIANT_PTR(value, 1);
int native_type_idx = _code_ptr[ip + 3];
GD_ERR_BREAK(native_type_idx < 0 || native_type_idx >= _global_names_count);
const StringName native_type = _global_names_ptr[native_type_idx];
bool was_freed = false;
Object *object = value->get_validated_object_with_check(was_freed);
if (was_freed) {
err_text = "Left operand of 'is' is a previously freed instance.";
OPCODE_BREAK;
}
*dst = object && ClassDB::is_parent_class(object->get_class_name(), native_type);
ip += 4;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_TYPE_TEST_SCRIPT) {
CHECK_SPACE(4);
GET_VARIANT_PTR(dst, 0);
GET_VARIANT_PTR(value, 1);
GET_VARIANT_PTR(type, 2);
Script *script_type = Object::cast_to<Script>(type->operator Object *());
GD_ERR_BREAK(!script_type);
bool was_freed = false;
Object *object = value->get_validated_object_with_check(was_freed);
if (was_freed) {
err_text = "Left operand of 'is' is a previously freed instance.";
OPCODE_BREAK;
}
bool result = false;
if (object && object->get_script_instance()) {
Script *script_ptr = object->get_script_instance()->get_script().ptr();
while (script_ptr) {
if (script_ptr == script_type) {
result = true;
break;
}
script_ptr = script_ptr->get_base_script().ptr();
}
}
*dst = result;
ip += 4;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_SET_KEYED) {
CHECK_SPACE(3);
GET_VARIANT_PTR(dst, 0);
GET_VARIANT_PTR(index, 1);
GET_VARIANT_PTR(value, 2);
bool valid;
#ifdef DEBUG_ENABLED
Variant::VariantSetError err_code;
dst->set(*index, *value, &valid, &err_code);
#else
dst->set(*index, *value, &valid);
#endif
#ifdef DEBUG_ENABLED
if (!valid) {
if (dst->is_read_only()) {
err_text = "Invalid assignment on read-only value (on base: '" + _get_var_type(dst) + "').";
} else {
Object *obj = dst->get_validated_object();
String v = index->operator String();
bool read_only_property = false;
if (obj) {
read_only_property = ClassDB::has_property(obj->get_class_name(), v) && (ClassDB::get_property_setter(obj->get_class_name(), v) == StringName());
}
if (read_only_property) {
err_text = vformat(R"(Cannot set value into property "%s" (on base "%s") because it is read-only.)", v, _get_var_type(dst));
} else {
if (!v.is_empty()) {
v = "'" + v + "'";
} else {
v = "of type '" + _get_var_type(index) + "'";
}
err_text = "Invalid assignment of property or key " + v + " with value of type '" + _get_var_type(value) + "' on a base object of type '" + _get_var_type(dst) + "'.";
if (err_code == Variant::VariantSetError::SET_INDEXED_ERR) {
err_text = "Invalid assignment of index " + v + " (on base: '" + _get_var_type(dst) + "') with value of type '" + _get_var_type(value) + "'.";
}
}
}
OPCODE_BREAK;
}
#endif
ip += 4;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_SET_KEYED_VALIDATED) {
CHECK_SPACE(4);
GET_VARIANT_PTR(dst, 0);
GET_VARIANT_PTR(index, 1);
GET_VARIANT_PTR(value, 2);
int index_setter = _code_ptr[ip + 4];
GD_ERR_BREAK(index_setter < 0 || index_setter >= _keyed_setters_count);
const Variant::ValidatedKeyedSetter setter = _keyed_setters_ptr[index_setter];
bool valid;
setter(dst, index, value, &valid);