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godot/modules/gdscript/gdscript_byte_codegen.cpp

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/**************************************************************************/
/* gdscript_byte_codegen.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_byte_codegen.h"
#include "gdscript.h"
#include "core/debugger/engine_debugger.h"
uint32_t GDScriptByteCodeGenerator::add_parameter(const StringName &p_name, bool p_is_optional, const GDScriptDataType &p_type) {
function->_argument_count++;
function->argument_types.push_back(p_type);
if (p_is_optional) {
function->_default_arg_count++;
}
return add_local(p_name, p_type);
}
uint32_t GDScriptByteCodeGenerator::add_local(const StringName &p_name, const GDScriptDataType &p_type) {
int stack_pos = locals.size() + RESERVED_STACK;
locals.push_back(StackSlot(p_type.builtin_type));
add_stack_identifier(p_name, stack_pos);
return stack_pos;
}
uint32_t GDScriptByteCodeGenerator::add_local_constant(const StringName &p_name, const Variant &p_constant) {
int index = add_or_get_constant(p_constant);
local_constants[p_name] = index;
return index;
}
uint32_t GDScriptByteCodeGenerator::add_or_get_constant(const Variant &p_constant) {
return get_constant_pos(p_constant);
}
uint32_t GDScriptByteCodeGenerator::add_or_get_name(const StringName &p_name) {
return get_name_map_pos(p_name);
}
uint32_t GDScriptByteCodeGenerator::add_temporary(const GDScriptDataType &p_type) {
Variant::Type temp_type = Variant::NIL;
if (p_type.has_type && p_type.kind == GDScriptDataType::BUILTIN) {
switch (p_type.builtin_type) {
case Variant::NIL:
case Variant::BOOL:
case Variant::INT:
case Variant::FLOAT:
case Variant::STRING:
case Variant::VECTOR2:
case Variant::VECTOR2I:
case Variant::RECT2:
case Variant::RECT2I:
case Variant::VECTOR3:
case Variant::VECTOR3I:
case Variant::TRANSFORM2D:
case Variant::VECTOR4:
case Variant::VECTOR4I:
case Variant::PLANE:
case Variant::QUATERNION:
case Variant::AABB:
case Variant::BASIS:
case Variant::TRANSFORM3D:
case Variant::PROJECTION:
case Variant::COLOR:
case Variant::STRING_NAME:
case Variant::NODE_PATH:
case Variant::RID:
case Variant::CALLABLE:
case Variant::SIGNAL:
temp_type = p_type.builtin_type;
break;
case Variant::OBJECT:
case Variant::DICTIONARY:
case Variant::ARRAY:
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:
case Variant::VARIANT_MAX:
// Arrays, dictionaries, and objects are reference counted, so we don't use the pool for them.
temp_type = Variant::NIL;
break;
}
}
if (!temporaries_pool.has(temp_type)) {
temporaries_pool[temp_type] = List<int>();
}
List<int> &pool = temporaries_pool[temp_type];
if (pool.is_empty()) {
StackSlot new_temp(temp_type);
int idx = temporaries.size();
pool.push_back(idx);
temporaries.push_back(new_temp);
}
int slot = pool.front()->get();
pool.pop_front();
used_temporaries.push_back(slot);
return slot;
}
void GDScriptByteCodeGenerator::pop_temporary() {
ERR_FAIL_COND(used_temporaries.is_empty());
int slot_idx = used_temporaries.back()->get();
const StackSlot &slot = temporaries[slot_idx];
if (slot.type == Variant::NIL) {
// Avoid keeping in the stack long-lived references to objects,
// which may prevent RefCounted objects from being freed.
// However, the cleanup will be performed an the end of the
// statement, to allow object references to survive chaining.
temporaries_pending_clear.push_back(slot_idx);
}
temporaries_pool[slot.type].push_back(slot_idx);
used_temporaries.pop_back();
}
void GDScriptByteCodeGenerator::start_parameters() {
if (function->_default_arg_count > 0) {
append(GDScriptFunction::OPCODE_JUMP_TO_DEF_ARGUMENT);
function->default_arguments.push_back(opcodes.size());
}
}
void GDScriptByteCodeGenerator::end_parameters() {
function->default_arguments.reverse();
}
void GDScriptByteCodeGenerator::write_start(GDScript *p_script, const StringName &p_function_name, bool p_static, Variant p_rpc_config, const GDScriptDataType &p_return_type) {
function = memnew(GDScriptFunction);
debug_stack = EngineDebugger::is_active();
function->name = p_function_name;
function->_script = p_script;
function->source = p_script->get_script_path();
#ifdef DEBUG_ENABLED
function->func_cname = (String(function->source) + " - " + String(p_function_name)).utf8();
function->_func_cname = function->func_cname.get_data();
#endif
function->_static = p_static;
function->return_type = p_return_type;
function->rpc_config = p_rpc_config;
function->_argument_count = 0;
}
GDScriptFunction *GDScriptByteCodeGenerator::write_end() {
#ifdef DEBUG_ENABLED
if (!used_temporaries.is_empty()) {
ERR_PRINT("Non-zero temporary variables at end of function: " + itos(used_temporaries.size()));
}
#endif
append_opcode(GDScriptFunction::OPCODE_END);
for (int i = 0; i < temporaries.size(); i++) {
int stack_index = i + max_locals + RESERVED_STACK;
for (int j = 0; j < temporaries[i].bytecode_indices.size(); j++) {
opcodes.write[temporaries[i].bytecode_indices[j]] = stack_index | (GDScriptFunction::ADDR_TYPE_STACK << GDScriptFunction::ADDR_BITS);
}
if (temporaries[i].type != Variant::NIL) {
function->temporary_slots[stack_index] = temporaries[i].type;
}
}
if (constant_map.size()) {
function->_constant_count = constant_map.size();
function->constants.resize(constant_map.size());
function->_constants_ptr = function->constants.ptrw();
for (const KeyValue<Variant, int> &K : constant_map) {
function->constants.write[K.value] = K.key;
}
} else {
function->_constants_ptr = nullptr;
function->_constant_count = 0;
}
if (name_map.size()) {
function->global_names.resize(name_map.size());
function->_global_names_ptr = &function->global_names[0];
for (const KeyValue<StringName, int> &E : name_map) {
function->global_names.write[E.value] = E.key;
}
function->_global_names_count = function->global_names.size();
} else {
function->_global_names_ptr = nullptr;
function->_global_names_count = 0;
}
if (opcodes.size()) {
function->code = opcodes;
function->_code_ptr = &function->code.write[0];
function->_code_size = opcodes.size();
} else {
function->_code_ptr = nullptr;
function->_code_size = 0;
}
if (function->default_arguments.size()) {
function->_default_arg_count = function->default_arguments.size() - 1;
function->_default_arg_ptr = &function->default_arguments[0];
} else {
function->_default_arg_count = 0;
function->_default_arg_ptr = nullptr;
}
if (operator_func_map.size()) {
function->operator_funcs.resize(operator_func_map.size());
function->_operator_funcs_count = function->operator_funcs.size();
function->_operator_funcs_ptr = function->operator_funcs.ptr();
for (const KeyValue<Variant::ValidatedOperatorEvaluator, int> &E : operator_func_map) {
function->operator_funcs.write[E.value] = E.key;
}
} else {
function->_operator_funcs_count = 0;
function->_operator_funcs_ptr = nullptr;
}
if (setters_map.size()) {
function->setters.resize(setters_map.size());
function->_setters_count = function->setters.size();
function->_setters_ptr = function->setters.ptr();
for (const KeyValue<Variant::ValidatedSetter, int> &E : setters_map) {
function->setters.write[E.value] = E.key;
}
} else {
function->_setters_count = 0;
function->_setters_ptr = nullptr;
}
if (getters_map.size()) {
function->getters.resize(getters_map.size());
function->_getters_count = function->getters.size();
function->_getters_ptr = function->getters.ptr();
for (const KeyValue<Variant::ValidatedGetter, int> &E : getters_map) {
function->getters.write[E.value] = E.key;
}
} else {
function->_getters_count = 0;
function->_getters_ptr = nullptr;
}
if (keyed_setters_map.size()) {
function->keyed_setters.resize(keyed_setters_map.size());
function->_keyed_setters_count = function->keyed_setters.size();
function->_keyed_setters_ptr = function->keyed_setters.ptr();
for (const KeyValue<Variant::ValidatedKeyedSetter, int> &E : keyed_setters_map) {
function->keyed_setters.write[E.value] = E.key;
}
} else {
function->_keyed_setters_count = 0;
function->_keyed_setters_ptr = nullptr;
}
if (keyed_getters_map.size()) {
function->keyed_getters.resize(keyed_getters_map.size());
function->_keyed_getters_count = function->keyed_getters.size();
function->_keyed_getters_ptr = function->keyed_getters.ptr();
for (const KeyValue<Variant::ValidatedKeyedGetter, int> &E : keyed_getters_map) {
function->keyed_getters.write[E.value] = E.key;
}
} else {
function->_keyed_getters_count = 0;
function->_keyed_getters_ptr = nullptr;
}
if (indexed_setters_map.size()) {
function->indexed_setters.resize(indexed_setters_map.size());
function->_indexed_setters_count = function->indexed_setters.size();
function->_indexed_setters_ptr = function->indexed_setters.ptr();
for (const KeyValue<Variant::ValidatedIndexedSetter, int> &E : indexed_setters_map) {
function->indexed_setters.write[E.value] = E.key;
}
} else {
function->_indexed_setters_count = 0;
function->_indexed_setters_ptr = nullptr;
}
if (indexed_getters_map.size()) {
function->indexed_getters.resize(indexed_getters_map.size());
function->_indexed_getters_count = function->indexed_getters.size();
function->_indexed_getters_ptr = function->indexed_getters.ptr();
for (const KeyValue<Variant::ValidatedIndexedGetter, int> &E : indexed_getters_map) {
function->indexed_getters.write[E.value] = E.key;
}
} else {
function->_indexed_getters_count = 0;
function->_indexed_getters_ptr = nullptr;
}
if (builtin_method_map.size()) {
function->builtin_methods.resize(builtin_method_map.size());
function->_builtin_methods_ptr = function->builtin_methods.ptr();
function->_builtin_methods_count = builtin_method_map.size();
for (const KeyValue<Variant::ValidatedBuiltInMethod, int> &E : builtin_method_map) {
function->builtin_methods.write[E.value] = E.key;
}
} else {
function->_builtin_methods_ptr = nullptr;
function->_builtin_methods_count = 0;
}
if (constructors_map.size()) {
function->constructors.resize(constructors_map.size());
function->_constructors_ptr = function->constructors.ptr();
function->_constructors_count = constructors_map.size();
for (const KeyValue<Variant::ValidatedConstructor, int> &E : constructors_map) {
function->constructors.write[E.value] = E.key;
}
} else {
function->_constructors_ptr = nullptr;
function->_constructors_count = 0;
}
if (utilities_map.size()) {
function->utilities.resize(utilities_map.size());
function->_utilities_ptr = function->utilities.ptr();
function->_utilities_count = utilities_map.size();
for (const KeyValue<Variant::ValidatedUtilityFunction, int> &E : utilities_map) {
function->utilities.write[E.value] = E.key;
}
} else {
function->_utilities_ptr = nullptr;
function->_utilities_count = 0;
}
if (gds_utilities_map.size()) {
function->gds_utilities.resize(gds_utilities_map.size());
function->_gds_utilities_ptr = function->gds_utilities.ptr();
function->_gds_utilities_count = gds_utilities_map.size();
for (const KeyValue<GDScriptUtilityFunctions::FunctionPtr, int> &E : gds_utilities_map) {
function->gds_utilities.write[E.value] = E.key;
}
} else {
function->_gds_utilities_ptr = nullptr;
function->_gds_utilities_count = 0;
}
if (method_bind_map.size()) {
function->methods.resize(method_bind_map.size());
function->_methods_ptr = function->methods.ptrw();
function->_methods_count = method_bind_map.size();
for (const KeyValue<MethodBind *, int> &E : method_bind_map) {
function->methods.write[E.value] = E.key;
}
} else {
function->_methods_ptr = nullptr;
function->_methods_count = 0;
}
if (lambdas_map.size()) {
function->lambdas.resize(lambdas_map.size());
function->_lambdas_ptr = function->lambdas.ptrw();
function->_lambdas_count = lambdas_map.size();
for (const KeyValue<GDScriptFunction *, int> &E : lambdas_map) {
function->lambdas.write[E.value] = E.key;
}
} else {
function->_lambdas_ptr = nullptr;
function->_lambdas_count = 0;
}
if (debug_stack) {
function->stack_debug = stack_debug;
}
function->_stack_size = RESERVED_STACK + max_locals + temporaries.size();
function->_instruction_args_size = instr_args_max;
#ifdef DEBUG_ENABLED
function->operator_names = operator_names;
function->setter_names = setter_names;
function->getter_names = getter_names;
function->builtin_methods_names = builtin_methods_names;
function->constructors_names = constructors_names;
function->utilities_names = utilities_names;
function->gds_utilities_names = gds_utilities_names;
#endif
ended = true;
return function;
}
#ifdef DEBUG_ENABLED
void GDScriptByteCodeGenerator::set_signature(const String &p_signature) {
function->profile.signature = p_signature;
}
#endif
void GDScriptByteCodeGenerator::set_initial_line(int p_line) {
function->_initial_line = p_line;
}
#define HAS_BUILTIN_TYPE(m_var) \
(m_var.type.has_type && m_var.type.kind == GDScriptDataType::BUILTIN)
#define IS_BUILTIN_TYPE(m_var, m_type) \
(m_var.type.has_type && m_var.type.kind == GDScriptDataType::BUILTIN && m_var.type.builtin_type == m_type && m_type != Variant::NIL)
void GDScriptByteCodeGenerator::write_type_adjust(const Address &p_target, Variant::Type p_new_type) {
switch (p_new_type) {
case Variant::BOOL:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_BOOL);
break;
case Variant::INT:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_INT);
break;
case Variant::FLOAT:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_FLOAT);
break;
case Variant::STRING:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_STRING);
break;
case Variant::VECTOR2:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_VECTOR2);
break;
case Variant::VECTOR2I:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_VECTOR2I);
break;
case Variant::RECT2:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_RECT2);
break;
case Variant::RECT2I:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_RECT2I);
break;
case Variant::VECTOR3:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_VECTOR3);
break;
case Variant::VECTOR3I:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_VECTOR3I);
break;
case Variant::TRANSFORM2D:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_TRANSFORM2D);
break;
case Variant::VECTOR4:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_VECTOR3);
break;
case Variant::VECTOR4I:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_VECTOR3I);
break;
case Variant::PLANE:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_PLANE);
break;
case Variant::QUATERNION:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_QUATERNION);
break;
case Variant::AABB:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_AABB);
break;
case Variant::BASIS:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_BASIS);
break;
case Variant::TRANSFORM3D:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_TRANSFORM3D);
break;
case Variant::PROJECTION:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_PROJECTION);
break;
case Variant::COLOR:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_COLOR);
break;
case Variant::STRING_NAME:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_STRING_NAME);
break;
case Variant::NODE_PATH:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_NODE_PATH);
break;
case Variant::RID:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_RID);
break;
case Variant::OBJECT:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_OBJECT);
break;
case Variant::CALLABLE:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_CALLABLE);
break;
case Variant::SIGNAL:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_SIGNAL);
break;
case Variant::DICTIONARY:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_DICTIONARY);
break;
case Variant::ARRAY:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_ARRAY);
break;
case Variant::PACKED_BYTE_ARRAY:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_PACKED_BYTE_ARRAY);
break;
case Variant::PACKED_INT32_ARRAY:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_PACKED_INT32_ARRAY);
break;
case Variant::PACKED_INT64_ARRAY:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_PACKED_INT64_ARRAY);
break;
case Variant::PACKED_FLOAT32_ARRAY:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_PACKED_FLOAT32_ARRAY);
break;
case Variant::PACKED_FLOAT64_ARRAY:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_PACKED_FLOAT64_ARRAY);
break;
case Variant::PACKED_STRING_ARRAY:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_PACKED_STRING_ARRAY);
break;
case Variant::PACKED_VECTOR2_ARRAY:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_PACKED_VECTOR2_ARRAY);
break;
case Variant::PACKED_VECTOR3_ARRAY:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_PACKED_VECTOR3_ARRAY);
break;
case Variant::PACKED_COLOR_ARRAY:
append_opcode(GDScriptFunction::OPCODE_TYPE_ADJUST_PACKED_COLOR_ARRAY);
break;
case Variant::NIL:
case Variant::VARIANT_MAX:
return;
}
append(p_target);
}
void GDScriptByteCodeGenerator::write_unary_operator(const Address &p_target, Variant::Operator p_operator, const Address &p_left_operand) {
if (HAS_BUILTIN_TYPE(p_left_operand)) {
// Gather specific operator.
Variant::ValidatedOperatorEvaluator op_func = Variant::get_validated_operator_evaluator(p_operator, p_left_operand.type.builtin_type, Variant::NIL);
append_opcode(GDScriptFunction::OPCODE_OPERATOR_VALIDATED);
append(p_left_operand);
append(Address());
append(p_target);
append(op_func);
#ifdef DEBUG_ENABLED
add_debug_name(operator_names, get_operation_pos(op_func), Variant::get_operator_name(p_operator));
#endif
return;
}
// No specific types, perform variant evaluation.
append_opcode(GDScriptFunction::OPCODE_OPERATOR);
append(p_left_operand);
append(Address());
append(p_target);
append(p_operator);
append(0); // Signature storage.
append(0); // Return type storage.
constexpr int _pointer_size = sizeof(Variant::ValidatedOperatorEvaluator) / sizeof(*(opcodes.ptr()));
for (int i = 0; i < _pointer_size; i++) {
append(0); // Space for function pointer.
}
}
void GDScriptByteCodeGenerator::write_binary_operator(const Address &p_target, Variant::Operator p_operator, const Address &p_left_operand, const Address &p_right_operand) {
// Avoid validated evaluator for modulo and division when operands are int, since there's no check for division by zero.
if (HAS_BUILTIN_TYPE(p_left_operand) && HAS_BUILTIN_TYPE(p_right_operand) && ((p_operator != Variant::OP_DIVIDE && p_operator != Variant::OP_MODULE) || p_left_operand.type.builtin_type != Variant::INT || p_right_operand.type.builtin_type != Variant::INT)) {
if (p_target.mode == Address::TEMPORARY) {
Variant::Type result_type = Variant::get_operator_return_type(p_operator, p_left_operand.type.builtin_type, p_right_operand.type.builtin_type);
Variant::Type temp_type = temporaries[p_target.address].type;
if (result_type != temp_type) {
write_type_adjust(p_target, result_type);
}
}
// Gather specific operator.
Variant::ValidatedOperatorEvaluator op_func = Variant::get_validated_operator_evaluator(p_operator, p_left_operand.type.builtin_type, p_right_operand.type.builtin_type);
append_opcode(GDScriptFunction::OPCODE_OPERATOR_VALIDATED);
append(p_left_operand);
append(p_right_operand);
append(p_target);
append(op_func);
#ifdef DEBUG_ENABLED
add_debug_name(operator_names, get_operation_pos(op_func), Variant::get_operator_name(p_operator));
#endif
return;
}
// No specific types, perform variant evaluation.
append_opcode(GDScriptFunction::OPCODE_OPERATOR);
append(p_left_operand);
append(p_right_operand);
append(p_target);
append(p_operator);
append(0); // Signature storage.
append(0); // Return type storage.
constexpr int _pointer_size = sizeof(Variant::ValidatedOperatorEvaluator) / sizeof(*(opcodes.ptr()));
for (int i = 0; i < _pointer_size; i++) {
append(0); // Space for function pointer.
}
}
void GDScriptByteCodeGenerator::write_type_test(const Address &p_target, const Address &p_source, const GDScriptDataType &p_type) {
switch (p_type.kind) {
case GDScriptDataType::BUILTIN: {
if (p_type.builtin_type == Variant::ARRAY && p_type.has_container_element_type(0)) {
const GDScriptDataType &element_type = p_type.get_container_element_type(0);
append_opcode(GDScriptFunction::OPCODE_TYPE_TEST_ARRAY);
append(p_target);
append(p_source);
append(get_constant_pos(element_type.script_type) | (GDScriptFunction::ADDR_TYPE_CONSTANT << GDScriptFunction::ADDR_BITS));
append(element_type.builtin_type);
append(element_type.native_type);
} else {
append_opcode(GDScriptFunction::OPCODE_TYPE_TEST_BUILTIN);
append(p_target);
append(p_source);
append(p_type.builtin_type);
}
} break;
case GDScriptDataType::NATIVE: {
append_opcode(GDScriptFunction::OPCODE_TYPE_TEST_NATIVE);
append(p_target);
append(p_source);
append(p_type.native_type);
} break;
case GDScriptDataType::SCRIPT:
case GDScriptDataType::GDSCRIPT: {
const Variant &script = p_type.script_type;
append_opcode(GDScriptFunction::OPCODE_TYPE_TEST_SCRIPT);
append(p_target);
append(p_source);
append(get_constant_pos(script) | (GDScriptFunction::ADDR_TYPE_CONSTANT << GDScriptFunction::ADDR_BITS));
} break;
default: {
ERR_PRINT("Compiler bug: unresolved type in type test.");
append_opcode(GDScriptFunction::OPCODE_ASSIGN_FALSE);
append(p_target);
}
}
}
void GDScriptByteCodeGenerator::write_and_left_operand(const Address &p_left_operand) {
append_opcode(GDScriptFunction::OPCODE_JUMP_IF_NOT);
append(p_left_operand);
logic_op_jump_pos1.push_back(opcodes.size());
append(0); // Jump target, will be patched.
}
void GDScriptByteCodeGenerator::write_and_right_operand(const Address &p_right_operand) {
append_opcode(GDScriptFunction::OPCODE_JUMP_IF_NOT);
append(p_right_operand);
logic_op_jump_pos2.push_back(opcodes.size());
append(0); // Jump target, will be patched.
}
void GDScriptByteCodeGenerator::write_end_and(const Address &p_target) {
// If here means both operands are true.
append_opcode(GDScriptFunction::OPCODE_ASSIGN_TRUE);
append(p_target);
// Jump away from the fail condition.
append_opcode(GDScriptFunction::OPCODE_JUMP);
append(opcodes.size() + 3);
// Here it means one of operands is false.
patch_jump(logic_op_jump_pos1.back()->get());
patch_jump(logic_op_jump_pos2.back()->get());
logic_op_jump_pos1.pop_back();
logic_op_jump_pos2.pop_back();
append_opcode(GDScriptFunction::OPCODE_ASSIGN_FALSE);
append(p_target);
}
void GDScriptByteCodeGenerator::write_or_left_operand(const Address &p_left_operand) {
append_opcode(GDScriptFunction::OPCODE_JUMP_IF);
append(p_left_operand);
logic_op_jump_pos1.push_back(opcodes.size());
append(0); // Jump target, will be patched.
}
void GDScriptByteCodeGenerator::write_or_right_operand(const Address &p_right_operand) {
append_opcode(GDScriptFunction::OPCODE_JUMP_IF);
append(p_right_operand);
logic_op_jump_pos2.push_back(opcodes.size());
append(0); // Jump target, will be patched.
}
void GDScriptByteCodeGenerator::write_end_or(const Address &p_target) {
// If here means both operands are false.
append_opcode(GDScriptFunction::OPCODE_ASSIGN_FALSE);
append(p_target);
// Jump away from the success condition.
append_opcode(GDScriptFunction::OPCODE_JUMP);
append(opcodes.size() + 3);
// Here it means one of operands is true.
patch_jump(logic_op_jump_pos1.back()->get());
patch_jump(logic_op_jump_pos2.back()->get());
logic_op_jump_pos1.pop_back();
logic_op_jump_pos2.pop_back();
append_opcode(GDScriptFunction::OPCODE_ASSIGN_TRUE);
append(p_target);
}
void GDScriptByteCodeGenerator::write_start_ternary(const Address &p_target) {
ternary_result.push_back(p_target);
}
void GDScriptByteCodeGenerator::write_ternary_condition(const Address &p_condition) {
append_opcode(GDScriptFunction::OPCODE_JUMP_IF_NOT);
append(p_condition);
ternary_jump_fail_pos.push_back(opcodes.size());
append(0); // Jump target, will be patched.
}
void GDScriptByteCodeGenerator::write_ternary_true_expr(const Address &p_expr) {
append_opcode(GDScriptFunction::OPCODE_ASSIGN);
append(ternary_result.back()->get());
append(p_expr);
// Jump away from the false path.
append_opcode(GDScriptFunction::OPCODE_JUMP);
ternary_jump_skip_pos.push_back(opcodes.size());
append(0);
// Fail must jump here.
patch_jump(ternary_jump_fail_pos.back()->get());
ternary_jump_fail_pos.pop_back();
}
void GDScriptByteCodeGenerator::write_ternary_false_expr(const Address &p_expr) {
append_opcode(GDScriptFunction::OPCODE_ASSIGN);
append(ternary_result.back()->get());
append(p_expr);
}
void GDScriptByteCodeGenerator::write_end_ternary() {
patch_jump(ternary_jump_skip_pos.back()->get());
ternary_jump_skip_pos.pop_back();
ternary_result.pop_back();
}
void GDScriptByteCodeGenerator::write_set(const Address &p_target, const Address &p_index, const Address &p_source) {
if (HAS_BUILTIN_TYPE(p_target)) {
if (IS_BUILTIN_TYPE(p_index, Variant::INT) && Variant::get_member_validated_indexed_setter(p_target.type.builtin_type) &&
IS_BUILTIN_TYPE(p_source, Variant::get_indexed_element_type(p_target.type.builtin_type))) {
// Use indexed setter instead.
Variant::ValidatedIndexedSetter setter = Variant::get_member_validated_indexed_setter(p_target.type.builtin_type);
append_opcode(GDScriptFunction::OPCODE_SET_INDEXED_VALIDATED);
append(p_target);
append(p_index);
append(p_source);
append(setter);
return;
} else if (Variant::get_member_validated_keyed_setter(p_target.type.builtin_type)) {
Variant::ValidatedKeyedSetter setter = Variant::get_member_validated_keyed_setter(p_target.type.builtin_type);
append_opcode(GDScriptFunction::OPCODE_SET_KEYED_VALIDATED);
append(p_target);
append(p_index);
append(p_source);
append(setter);
return;
}
}
append_opcode(GDScriptFunction::OPCODE_SET_KEYED);
append(p_target);
append(p_index);
append(p_source);
}
void GDScriptByteCodeGenerator::write_get(const Address &p_target, const Address &p_index, const Address &p_source) {
if (HAS_BUILTIN_TYPE(p_source)) {
if (IS_BUILTIN_TYPE(p_index, Variant::INT) && Variant::get_member_validated_indexed_getter(p_source.type.builtin_type)) {
// Use indexed getter instead.
Variant::ValidatedIndexedGetter getter = Variant::get_member_validated_indexed_getter(p_source.type.builtin_type);
append_opcode(GDScriptFunction::OPCODE_GET_INDEXED_VALIDATED);
append(p_source);
append(p_index);
append(p_target);
append(getter);
return;
} else if (Variant::get_member_validated_keyed_getter(p_source.type.builtin_type)) {
Variant::ValidatedKeyedGetter getter = Variant::get_member_validated_keyed_getter(p_source.type.builtin_type);
append_opcode(GDScriptFunction::OPCODE_GET_KEYED_VALIDATED);
append(p_source);
append(p_index);
append(p_target);
append(getter);
return;
}
}
append_opcode(GDScriptFunction::OPCODE_GET_KEYED);
append(p_source);
append(p_index);
append(p_target);
}
void GDScriptByteCodeGenerator::write_set_named(const Address &p_target, const StringName &p_name, const Address &p_source) {
if (HAS_BUILTIN_TYPE(p_target) && Variant::get_member_validated_setter(p_target.type.builtin_type, p_name) &&
IS_BUILTIN_TYPE(p_source, Variant::get_member_type(p_target.type.builtin_type, p_name))) {
Variant::ValidatedSetter setter = Variant::get_member_validated_setter(p_target.type.builtin_type, p_name);
append_opcode(GDScriptFunction::OPCODE_SET_NAMED_VALIDATED);
append(p_target);
append(p_source);
append(setter);
#ifdef DEBUG_ENABLED
add_debug_name(setter_names, get_setter_pos(setter), p_name);
#endif
return;
}
append_opcode(GDScriptFunction::OPCODE_SET_NAMED);
append(p_target);
append(p_source);
append(p_name);
}
void GDScriptByteCodeGenerator::write_get_named(const Address &p_target, const StringName &p_name, const Address &p_source) {
if (HAS_BUILTIN_TYPE(p_source) && Variant::get_member_validated_getter(p_source.type.builtin_type, p_name)) {
Variant::ValidatedGetter getter = Variant::get_member_validated_getter(p_source.type.builtin_type, p_name);
append_opcode(GDScriptFunction::OPCODE_GET_NAMED_VALIDATED);
append(p_source);
append(p_target);
append(getter);
#ifdef DEBUG_ENABLED
add_debug_name(getter_names, get_getter_pos(getter), p_name);
#endif
return;
}
append_opcode(GDScriptFunction::OPCODE_GET_NAMED);
append(p_source);
append(p_target);
append(p_name);
}
void GDScriptByteCodeGenerator::write_set_member(const Address &p_value, const StringName &p_name) {
append_opcode(GDScriptFunction::OPCODE_SET_MEMBER);
append(p_value);
append(p_name);
}
void GDScriptByteCodeGenerator::write_get_member(const Address &p_target, const StringName &p_name) {
append_opcode(GDScriptFunction::OPCODE_GET_MEMBER);
append(p_target);
append(p_name);
}
void GDScriptByteCodeGenerator::write_set_static_variable(const Address &p_value, const Address &p_class, int p_index) {
append_opcode(GDScriptFunction::OPCODE_SET_STATIC_VARIABLE);
append(p_value);
append(p_class);
append(p_index);
}
void GDScriptByteCodeGenerator::write_get_static_variable(const Address &p_target, const Address &p_class, int p_index) {
append_opcode(GDScriptFunction::OPCODE_GET_STATIC_VARIABLE);
append(p_target);
append(p_class);
append(p_index);
}
void GDScriptByteCodeGenerator::write_assign_with_conversion(const Address &p_target, const Address &p_source) {
switch (p_target.type.kind) {
case GDScriptDataType::BUILTIN: {
if (p_target.type.builtin_type == Variant::ARRAY && p_target.type.has_container_element_type(0)) {
const GDScriptDataType &element_type = p_target.type.get_container_element_type(0);
append_opcode(GDScriptFunction::OPCODE_ASSIGN_TYPED_ARRAY);
append(p_target);
append(p_source);
append(get_constant_pos(element_type.script_type) | (GDScriptFunction::ADDR_TYPE_CONSTANT << GDScriptFunction::ADDR_BITS));
append(element_type.builtin_type);
append(element_type.native_type);
} else {
append_opcode(GDScriptFunction::OPCODE_ASSIGN_TYPED_BUILTIN);
append(p_target);
append(p_source);
append(p_target.type.builtin_type);
}
} break;
case GDScriptDataType::NATIVE: {
int class_idx = GDScriptLanguage::get_singleton()->get_global_map()[p_target.type.native_type];
Variant nc = GDScriptLanguage::get_singleton()->get_global_array()[class_idx];
class_idx = get_constant_pos(nc) | (GDScriptFunction::ADDR_TYPE_CONSTANT << GDScriptFunction::ADDR_BITS);
append_opcode(GDScriptFunction::OPCODE_ASSIGN_TYPED_NATIVE);
append(p_target);
append(p_source);
append(class_idx);
} break;
case GDScriptDataType::SCRIPT:
case GDScriptDataType::GDSCRIPT: {
Variant script = p_target.type.script_type;
int idx = get_constant_pos(script) | (GDScriptFunction::ADDR_TYPE_CONSTANT << GDScriptFunction::ADDR_BITS);
append_opcode(GDScriptFunction::OPCODE_ASSIGN_TYPED_SCRIPT);
append(p_target);
append(p_source);
append(idx);
} break;
default: {
ERR_PRINT("Compiler bug: unresolved assign.");
// Shouldn't get here, but fail-safe to a regular assignment
append_opcode(GDScriptFunction::OPCODE_ASSIGN);
append(p_target);
append(p_source);
}
}
}
void GDScriptByteCodeGenerator::write_assign(const Address &p_target, const Address &p_source) {
if (p_target.type.kind == GDScriptDataType::BUILTIN && p_target.type.builtin_type == Variant::ARRAY && p_target.type.has_container_element_type(0)) {
const GDScriptDataType &element_type = p_target.type.get_container_element_type(0);
append_opcode(GDScriptFunction::OPCODE_ASSIGN_TYPED_ARRAY);
append(p_target);
append(p_source);
append(get_constant_pos(element_type.script_type) | (GDScriptFunction::ADDR_TYPE_CONSTANT << GDScriptFunction::ADDR_BITS));
append(element_type.builtin_type);
append(element_type.native_type);
} else if (p_target.type.kind == GDScriptDataType::BUILTIN && p_source.type.kind == GDScriptDataType::BUILTIN && p_target.type.builtin_type != p_source.type.builtin_type) {
// Need conversion.
append_opcode(GDScriptFunction::OPCODE_ASSIGN_TYPED_BUILTIN);
append(p_target);
append(p_source);
append(p_target.type.builtin_type);
} else {
append_opcode(GDScriptFunction::OPCODE_ASSIGN);
append(p_target);
append(p_source);
}
}
void GDScriptByteCodeGenerator::write_assign_true(const Address &p_target) {
append_opcode(GDScriptFunction::OPCODE_ASSIGN_TRUE);
append(p_target);
}
void GDScriptByteCodeGenerator::write_assign_false(const Address &p_target) {
append_opcode(GDScriptFunction::OPCODE_ASSIGN_FALSE);
append(p_target);
}
void GDScriptByteCodeGenerator::write_assign_default_parameter(const Address &p_dst, const Address &p_src, bool p_use_conversion) {
if (p_use_conversion) {
write_assign_with_conversion(p_dst, p_src);
} else {
write_assign(p_dst, p_src);
}
function->default_arguments.push_back(opcodes.size());
}
void GDScriptByteCodeGenerator::write_store_global(const Address &p_dst, int p_global_index) {
append_opcode(GDScriptFunction::OPCODE_STORE_GLOBAL);
append(p_dst);
append(p_global_index);
}
void GDScriptByteCodeGenerator::write_store_named_global(const Address &p_dst, const StringName &p_global) {
append_opcode(GDScriptFunction::OPCODE_STORE_NAMED_GLOBAL);
append(p_dst);
append(p_global);
}
void GDScriptByteCodeGenerator::write_cast(const Address &p_target, const Address &p_source, const GDScriptDataType &p_type) {
int index = 0;
switch (p_type.kind) {
case GDScriptDataType::BUILTIN: {
append_opcode(GDScriptFunction::OPCODE_CAST_TO_BUILTIN);
index = p_type.builtin_type;
} break;
case GDScriptDataType::NATIVE: {
int class_idx = GDScriptLanguage::get_singleton()->get_global_map()[p_type.native_type];
Variant nc = GDScriptLanguage::get_singleton()->get_global_array()[class_idx];
append_opcode(GDScriptFunction::OPCODE_CAST_TO_NATIVE);
index = get_constant_pos(nc) | (GDScriptFunction::ADDR_TYPE_CONSTANT << GDScriptFunction::ADDR_BITS);
} break;
case GDScriptDataType::SCRIPT:
case GDScriptDataType::GDSCRIPT: {
Variant script = p_type.script_type;
int idx = get_constant_pos(script) | (GDScriptFunction::ADDR_TYPE_CONSTANT << GDScriptFunction::ADDR_BITS);
append_opcode(GDScriptFunction::OPCODE_CAST_TO_SCRIPT);
index = idx;
} break;
default: {
return;
}
}
append(p_source);
append(p_target);
append(index);
}
GDScriptByteCodeGenerator::CallTarget GDScriptByteCodeGenerator::get_call_target(const GDScriptCodeGenerator::Address &p_target, Variant::Type p_type) {
if (p_target.mode == Address::NIL) {
GDScriptDataType type;
if (p_type != Variant::NIL) {
type.has_type = true;
type.kind = GDScriptDataType::BUILTIN;
type.builtin_type = p_type;
}
uint32_t addr = add_temporary(type);
return CallTarget(Address(Address::TEMPORARY, addr, type), true, this);
} else {
return CallTarget(p_target, false, this);
}
}
void GDScriptByteCodeGenerator::write_call(const Address &p_target, const Address &p_base, const StringName &p_function_name, const Vector<Address> &p_arguments) {
append_opcode_and_argcount(p_target.mode == Address::NIL ? GDScriptFunction::OPCODE_CALL : GDScriptFunction::OPCODE_CALL_RETURN, 2 + p_arguments.size());
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
append(p_base);
CallTarget ct = get_call_target(p_target);
append(ct.target);
append(p_arguments.size());
append(p_function_name);
ct.cleanup();
}
void GDScriptByteCodeGenerator::write_super_call(const Address &p_target, const StringName &p_function_name, const Vector<Address> &p_arguments) {
append_opcode_and_argcount(GDScriptFunction::OPCODE_CALL_SELF_BASE, 1 + p_arguments.size());
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
CallTarget ct = get_call_target(p_target);
append(ct.target);
append(p_arguments.size());
append(p_function_name);
ct.cleanup();
}
void GDScriptByteCodeGenerator::write_call_async(const Address &p_target, const Address &p_base, const StringName &p_function_name, const Vector<Address> &p_arguments) {
append_opcode_and_argcount(GDScriptFunction::OPCODE_CALL_ASYNC, 2 + p_arguments.size());
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
append(p_base);
CallTarget ct = get_call_target(p_target);
append(ct.target);
append(p_arguments.size());
append(p_function_name);
ct.cleanup();
}
void GDScriptByteCodeGenerator::write_call_gdscript_utility(const Address &p_target, const StringName &p_function, const Vector<Address> &p_arguments) {
append_opcode_and_argcount(GDScriptFunction::OPCODE_CALL_GDSCRIPT_UTILITY, 1 + p_arguments.size());
GDScriptUtilityFunctions::FunctionPtr gds_function = GDScriptUtilityFunctions::get_function(p_function);
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
CallTarget ct = get_call_target(p_target);
append(ct.target);
append(p_arguments.size());
append(gds_function);
ct.cleanup();
#ifdef DEBUG_ENABLED
add_debug_name(gds_utilities_names, get_gds_utility_pos(gds_function), p_function);
#endif
}
void GDScriptByteCodeGenerator::write_call_utility(const Address &p_target, const StringName &p_function, const Vector<Address> &p_arguments) {
bool is_validated = true;
if (Variant::is_utility_function_vararg(p_function)) {
is_validated = false; // Vararg needs runtime checks, can't use validated call.
} else if (p_arguments.size() == Variant::get_utility_function_argument_count(p_function)) {
bool all_types_exact = true;
for (int i = 0; i < p_arguments.size(); i++) {
if (!IS_BUILTIN_TYPE(p_arguments[i], Variant::get_utility_function_argument_type(p_function, i))) {
all_types_exact = false;
break;
}
}
is_validated = all_types_exact;
}
if (is_validated) {
Variant::Type result_type = Variant::has_utility_function_return_value(p_function) ? Variant::get_utility_function_return_type(p_function) : Variant::NIL;
CallTarget ct = get_call_target(p_target, result_type);
Variant::Type temp_type = temporaries[ct.target.address].type;
if (result_type != temp_type) {
write_type_adjust(ct.target, result_type);
}
append_opcode_and_argcount(GDScriptFunction::OPCODE_CALL_UTILITY_VALIDATED, 1 + p_arguments.size());
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
append(ct.target);
append(p_arguments.size());
append(Variant::get_validated_utility_function(p_function));
ct.cleanup();
#ifdef DEBUG_ENABLED
add_debug_name(utilities_names, get_utility_pos(Variant::get_validated_utility_function(p_function)), p_function);
#endif
} else {
append_opcode_and_argcount(GDScriptFunction::OPCODE_CALL_UTILITY, 1 + p_arguments.size());
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
CallTarget ct = get_call_target(p_target);
append(ct.target);
append(p_arguments.size());
append(p_function);
ct.cleanup();
}
}
void GDScriptByteCodeGenerator::write_call_builtin_type(const Address &p_target, const Address &p_base, Variant::Type p_type, const StringName &p_method, bool p_is_static, const Vector<Address> &p_arguments) {
bool is_validated = false;
// Check if all types are correct.
if (Variant::is_builtin_method_vararg(p_type, p_method)) {
is_validated = false; // Vararg needs runtime checks, can't use validated call.
} else if (p_arguments.size() == Variant::get_builtin_method_argument_count(p_type, p_method)) {
bool all_types_exact = true;
for (int i = 0; i < p_arguments.size(); i++) {
if (!IS_BUILTIN_TYPE(p_arguments[i], Variant::get_builtin_method_argument_type(p_type, p_method, i))) {
all_types_exact = false;
break;
}
}
is_validated = all_types_exact;
}
if (!is_validated) {
// Perform regular call.
if (p_is_static) {
append_opcode_and_argcount(GDScriptFunction::OPCODE_CALL_BUILTIN_STATIC, p_arguments.size() + 1);
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
CallTarget ct = get_call_target(p_target);
append(ct.target);
append(p_type);
append(p_method);
append(p_arguments.size());
ct.cleanup();
} else {
write_call(p_target, p_base, p_method, p_arguments);
}
return;
}
Variant::Type result_type = Variant::get_builtin_method_return_type(p_type, p_method);
CallTarget ct = get_call_target(p_target, result_type);
Variant::Type temp_type = temporaries[ct.target.address].type;
if (result_type != temp_type) {
write_type_adjust(ct.target, result_type);
}
append_opcode_and_argcount(GDScriptFunction::OPCODE_CALL_BUILTIN_TYPE_VALIDATED, 2 + p_arguments.size());
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
append(p_base);
append(ct.target);
append(p_arguments.size());
append(Variant::get_validated_builtin_method(p_type, p_method));
ct.cleanup();
#ifdef DEBUG_ENABLED
add_debug_name(builtin_methods_names, get_builtin_method_pos(Variant::get_validated_builtin_method(p_type, p_method)), p_method);
#endif
}
void GDScriptByteCodeGenerator::write_call_builtin_type(const Address &p_target, const Address &p_base, Variant::Type p_type, const StringName &p_method, const Vector<Address> &p_arguments) {
write_call_builtin_type(p_target, p_base, p_type, p_method, false, p_arguments);
}
void GDScriptByteCodeGenerator::write_call_builtin_type_static(const Address &p_target, Variant::Type p_type, const StringName &p_method, const Vector<Address> &p_arguments) {
write_call_builtin_type(p_target, Address(), p_type, p_method, true, p_arguments);
}
void GDScriptByteCodeGenerator::write_call_native_static(const Address &p_target, const StringName &p_class, const StringName &p_method, const Vector<Address> &p_arguments) {
bool is_validated = false;
MethodBind *method = ClassDB::get_method(p_class, p_method);
if (!is_validated) {
// Perform regular call.
append_opcode_and_argcount(GDScriptFunction::OPCODE_CALL_NATIVE_STATIC, p_arguments.size() + 1);
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
CallTarget ct = get_call_target(p_target);
append(ct.target);
append(method);
append(p_arguments.size());
ct.cleanup();
return;
}
}
void GDScriptByteCodeGenerator::write_call_method_bind(const Address &p_target, const Address &p_base, MethodBind *p_method, const Vector<Address> &p_arguments) {
append_opcode_and_argcount(p_target.mode == Address::NIL ? GDScriptFunction::OPCODE_CALL_METHOD_BIND : GDScriptFunction::OPCODE_CALL_METHOD_BIND_RET, 2 + p_arguments.size());
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
CallTarget ct = get_call_target(p_target);
append(p_base);
append(ct.target);
append(p_arguments.size());
append(p_method);
ct.cleanup();
}
void GDScriptByteCodeGenerator::write_call_method_bind_validated(const Address &p_target, const Address &p_base, MethodBind *p_method, const Vector<Address> &p_arguments) {
Variant::Type return_type = Variant::NIL;
bool has_return = p_method->has_return();
if (has_return) {
PropertyInfo return_info = p_method->get_return_info();
return_type = return_info.type;
}
CallTarget ct = get_call_target(p_target, return_type);
if (has_return) {
Variant::Type temp_type = temporaries[ct.target.address].type;
if (temp_type != return_type) {
write_type_adjust(ct.target, return_type);
}
}
GDScriptFunction::Opcode code = p_method->has_return() ? GDScriptFunction::OPCODE_CALL_METHOD_BIND_VALIDATED_RETURN : GDScriptFunction::OPCODE_CALL_METHOD_BIND_VALIDATED_NO_RETURN;
append_opcode_and_argcount(code, 2 + p_arguments.size());
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
append(p_base);
append(ct.target);
append(p_arguments.size());
append(p_method);
ct.cleanup();
}
void GDScriptByteCodeGenerator::write_call_self(const Address &p_target, const StringName &p_function_name, const Vector<Address> &p_arguments) {
append_opcode_and_argcount(p_target.mode == Address::NIL ? GDScriptFunction::OPCODE_CALL : GDScriptFunction::OPCODE_CALL_RETURN, 2 + p_arguments.size());
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
append(GDScriptFunction::ADDR_TYPE_STACK << GDScriptFunction::ADDR_BITS);
CallTarget ct = get_call_target(p_target);
append(ct.target);
append(p_arguments.size());
append(p_function_name);
ct.cleanup();
}
void GDScriptByteCodeGenerator::write_call_self_async(const Address &p_target, const StringName &p_function_name, const Vector<Address> &p_arguments) {
append_opcode_and_argcount(GDScriptFunction::OPCODE_CALL_ASYNC, 2 + p_arguments.size());
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
append(GDScriptFunction::ADDR_SELF);
CallTarget ct = get_call_target(p_target);
append(ct.target);
append(p_arguments.size());
append(p_function_name);
ct.cleanup();
}
void GDScriptByteCodeGenerator::write_call_script_function(const Address &p_target, const Address &p_base, const StringName &p_function_name, const Vector<Address> &p_arguments) {
append_opcode_and_argcount(p_target.mode == Address::NIL ? GDScriptFunction::OPCODE_CALL : GDScriptFunction::OPCODE_CALL_RETURN, 2 + p_arguments.size());
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
append(p_base);
CallTarget ct = get_call_target(p_target);
append(ct.target);
append(p_arguments.size());
append(p_function_name);
ct.cleanup();
}
void GDScriptByteCodeGenerator::write_lambda(const Address &p_target, GDScriptFunction *p_function, const Vector<Address> &p_captures, bool p_use_self) {
append_opcode_and_argcount(p_use_self ? GDScriptFunction::OPCODE_CREATE_SELF_LAMBDA : GDScriptFunction::OPCODE_CREATE_LAMBDA, 1 + p_captures.size());
for (int i = 0; i < p_captures.size(); i++) {
append(p_captures[i]);
}
CallTarget ct = get_call_target(p_target);
append(ct.target);
append(p_captures.size());
append(p_function);
ct.cleanup();
}
void GDScriptByteCodeGenerator::write_construct(const Address &p_target, Variant::Type p_type, const Vector<Address> &p_arguments) {
// Try to find an appropriate constructor.
bool all_have_type = true;
Vector<Variant::Type> arg_types;
for (int i = 0; i < p_arguments.size(); i++) {
if (!HAS_BUILTIN_TYPE(p_arguments[i])) {
all_have_type = false;
break;
}
arg_types.push_back(p_arguments[i].type.builtin_type);
}
if (all_have_type) {
int valid_constructor = -1;
for (int i = 0; i < Variant::get_constructor_count(p_type); i++) {
if (Variant::get_constructor_argument_count(p_type, i) != p_arguments.size()) {
continue;
}
int types_correct = true;
for (int j = 0; j < arg_types.size(); j++) {
if (arg_types[j] != Variant::get_constructor_argument_type(p_type, i, j)) {
types_correct = false;
break;
}
}
if (types_correct) {
valid_constructor = i;
break;
}
}
if (valid_constructor >= 0) {
append_opcode_and_argcount(GDScriptFunction::OPCODE_CONSTRUCT_VALIDATED, 1 + p_arguments.size());
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
CallTarget ct = get_call_target(p_target);
append(ct.target);
append(p_arguments.size());
append(Variant::get_validated_constructor(p_type, valid_constructor));
ct.cleanup();
#ifdef DEBUG_ENABLED
add_debug_name(constructors_names, get_constructor_pos(Variant::get_validated_constructor(p_type, valid_constructor)), Variant::get_type_name(p_type));
#endif
return;
}
}
append_opcode_and_argcount(GDScriptFunction::OPCODE_CONSTRUCT, 1 + p_arguments.size());
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
CallTarget ct = get_call_target(p_target);
append(ct.target);
append(p_arguments.size());
append(p_type);
ct.cleanup();
}
void GDScriptByteCodeGenerator::write_construct_array(const Address &p_target, const Vector<Address> &p_arguments) {
append_opcode_and_argcount(GDScriptFunction::OPCODE_CONSTRUCT_ARRAY, 1 + p_arguments.size());
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
CallTarget ct = get_call_target(p_target);
append(ct.target);
append(p_arguments.size());
ct.cleanup();
}
void GDScriptByteCodeGenerator::write_construct_typed_array(const Address &p_target, const GDScriptDataType &p_element_type, const Vector<Address> &p_arguments) {
append_opcode_and_argcount(GDScriptFunction::OPCODE_CONSTRUCT_TYPED_ARRAY, 2 + p_arguments.size());
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
CallTarget ct = get_call_target(p_target);
append(ct.target);
append(get_constant_pos(p_element_type.script_type) | (GDScriptFunction::ADDR_TYPE_CONSTANT << GDScriptFunction::ADDR_BITS));
append(p_arguments.size());
append(p_element_type.builtin_type);
append(p_element_type.native_type);
ct.cleanup();
}
void GDScriptByteCodeGenerator::write_construct_dictionary(const Address &p_target, const Vector<Address> &p_arguments) {
append_opcode_and_argcount(GDScriptFunction::OPCODE_CONSTRUCT_DICTIONARY, 1 + p_arguments.size());
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
CallTarget ct = get_call_target(p_target);
append(ct.target);
append(p_arguments.size() / 2); // This is number of key-value pairs, so only half of actual arguments.
ct.cleanup();
}
void GDScriptByteCodeGenerator::write_await(const Address &p_target, const Address &p_operand) {
append_opcode(GDScriptFunction::OPCODE_AWAIT);
append(p_operand);
append_opcode(GDScriptFunction::OPCODE_AWAIT_RESUME);
append(p_target);
}
void GDScriptByteCodeGenerator::write_if(const Address &p_condition) {
append_opcode(GDScriptFunction::OPCODE_JUMP_IF_NOT);
append(p_condition);
if_jmp_addrs.push_back(opcodes.size());
append(0); // Jump destination, will be patched.
}
void GDScriptByteCodeGenerator::write_else() {
append_opcode(GDScriptFunction::OPCODE_JUMP); // Jump from true if block;
int else_jmp_addr = opcodes.size();
append(0); // Jump destination, will be patched.
patch_jump(if_jmp_addrs.back()->get());
if_jmp_addrs.pop_back();
if_jmp_addrs.push_back(else_jmp_addr);
}
void GDScriptByteCodeGenerator::write_endif() {
patch_jump(if_jmp_addrs.back()->get());
if_jmp_addrs.pop_back();
}
void GDScriptByteCodeGenerator::write_jump_if_shared(const Address &p_value) {
append_opcode(GDScriptFunction::OPCODE_JUMP_IF_SHARED);
append(p_value);
if_jmp_addrs.push_back(opcodes.size());
append(0); // Jump destination, will be patched.
}
void GDScriptByteCodeGenerator::write_end_jump_if_shared() {
patch_jump(if_jmp_addrs.back()->get());
if_jmp_addrs.pop_back();
}
void GDScriptByteCodeGenerator::start_for(const GDScriptDataType &p_iterator_type, const GDScriptDataType &p_list_type) {
Address counter(Address::LOCAL_VARIABLE, add_local("@counter_pos", p_iterator_type), p_iterator_type);
Address container(Address::LOCAL_VARIABLE, add_local("@container_pos", p_list_type), p_list_type);
// Store state.
for_counter_variables.push_back(counter);
for_container_variables.push_back(container);
}
void GDScriptByteCodeGenerator::write_for_assignment(const Address &p_list) {
const Address &container = for_container_variables.back()->get();
// Assign container.
append_opcode(GDScriptFunction::OPCODE_ASSIGN);
append(container);
append(p_list);
}
void GDScriptByteCodeGenerator::write_for(const Address &p_variable, bool p_use_conversion) {
const Address &counter = for_counter_variables.back()->get();
const Address &container = for_container_variables.back()->get();
current_breaks_to_patch.push_back(List<int>());
GDScriptFunction::Opcode begin_opcode = GDScriptFunction::OPCODE_ITERATE_BEGIN;
GDScriptFunction::Opcode iterate_opcode = GDScriptFunction::OPCODE_ITERATE;
if (container.type.has_type) {
if (container.type.kind == GDScriptDataType::BUILTIN) {
switch (container.type.builtin_type) {
case Variant::INT:
begin_opcode = GDScriptFunction::OPCODE_ITERATE_BEGIN_INT;
iterate_opcode = GDScriptFunction::OPCODE_ITERATE_INT;
break;
case Variant::FLOAT:
begin_opcode = GDScriptFunction::OPCODE_ITERATE_BEGIN_FLOAT;
iterate_opcode = GDScriptFunction::OPCODE_ITERATE_FLOAT;
break;
case Variant::VECTOR2:
begin_opcode = GDScriptFunction::OPCODE_ITERATE_BEGIN_VECTOR2;
iterate_opcode = GDScriptFunction::OPCODE_ITERATE_VECTOR2;
break;
case Variant::VECTOR2I:
begin_opcode = GDScriptFunction::OPCODE_ITERATE_BEGIN_VECTOR2I;
iterate_opcode = GDScriptFunction::OPCODE_ITERATE_VECTOR2I;
break;
case Variant::VECTOR3:
begin_opcode = GDScriptFunction::OPCODE_ITERATE_BEGIN_VECTOR3;
iterate_opcode = GDScriptFunction::OPCODE_ITERATE_VECTOR3;
break;
case Variant::VECTOR3I:
begin_opcode = GDScriptFunction::OPCODE_ITERATE_BEGIN_VECTOR3I;
iterate_opcode = GDScriptFunction::OPCODE_ITERATE_VECTOR3I;
break;
case Variant::STRING:
begin_opcode = GDScriptFunction::OPCODE_ITERATE_BEGIN_STRING;
iterate_opcode = GDScriptFunction::OPCODE_ITERATE_STRING;
break;
case Variant::DICTIONARY:
begin_opcode = GDScriptFunction::OPCODE_ITERATE_BEGIN_DICTIONARY;
iterate_opcode = GDScriptFunction::OPCODE_ITERATE_DICTIONARY;
break;
case Variant::ARRAY:
begin_opcode = GDScriptFunction::OPCODE_ITERATE_BEGIN_ARRAY;
iterate_opcode = GDScriptFunction::OPCODE_ITERATE_ARRAY;
break;
case Variant::PACKED_BYTE_ARRAY:
begin_opcode = GDScriptFunction::OPCODE_ITERATE_BEGIN_PACKED_BYTE_ARRAY;
iterate_opcode = GDScriptFunction::OPCODE_ITERATE_PACKED_BYTE_ARRAY;
break;
case Variant::PACKED_INT32_ARRAY:
begin_opcode = GDScriptFunction::OPCODE_ITERATE_BEGIN_PACKED_INT32_ARRAY;
iterate_opcode = GDScriptFunction::OPCODE_ITERATE_PACKED_INT32_ARRAY;
break;
case Variant::PACKED_INT64_ARRAY:
begin_opcode = GDScriptFunction::OPCODE_ITERATE_BEGIN_PACKED_INT64_ARRAY;
iterate_opcode = GDScriptFunction::OPCODE_ITERATE_PACKED_INT64_ARRAY;
break;
case Variant::PACKED_FLOAT32_ARRAY:
begin_opcode = GDScriptFunction::OPCODE_ITERATE_BEGIN_PACKED_FLOAT32_ARRAY;
iterate_opcode = GDScriptFunction::OPCODE_ITERATE_PACKED_FLOAT32_ARRAY;
break;
case Variant::PACKED_FLOAT64_ARRAY:
begin_opcode = GDScriptFunction::OPCODE_ITERATE_BEGIN_PACKED_FLOAT64_ARRAY;
iterate_opcode = GDScriptFunction::OPCODE_ITERATE_PACKED_FLOAT64_ARRAY;
break;
case Variant::PACKED_STRING_ARRAY:
begin_opcode = GDScriptFunction::OPCODE_ITERATE_BEGIN_PACKED_STRING_ARRAY;
iterate_opcode = GDScriptFunction::OPCODE_ITERATE_PACKED_STRING_ARRAY;
break;
case Variant::PACKED_VECTOR2_ARRAY:
begin_opcode = GDScriptFunction::OPCODE_ITERATE_BEGIN_PACKED_VECTOR2_ARRAY;
iterate_opcode = GDScriptFunction::OPCODE_ITERATE_PACKED_VECTOR2_ARRAY;
break;
case Variant::PACKED_VECTOR3_ARRAY:
begin_opcode = GDScriptFunction::OPCODE_ITERATE_BEGIN_PACKED_VECTOR3_ARRAY;
iterate_opcode = GDScriptFunction::OPCODE_ITERATE_PACKED_VECTOR3_ARRAY;
break;
case Variant::PACKED_COLOR_ARRAY:
begin_opcode = GDScriptFunction::OPCODE_ITERATE_BEGIN_PACKED_COLOR_ARRAY;
iterate_opcode = GDScriptFunction::OPCODE_ITERATE_PACKED_COLOR_ARRAY;
break;
default:
break;
}
} else {
begin_opcode = GDScriptFunction::OPCODE_ITERATE_BEGIN_OBJECT;
iterate_opcode = GDScriptFunction::OPCODE_ITERATE_OBJECT;
}
}
Address temp;
if (p_use_conversion) {
temp = Address(Address::LOCAL_VARIABLE, add_local("@iterator_temp", GDScriptDataType()));
}
// Begin loop.
append_opcode(begin_opcode);
append(counter);
append(container);
append(p_use_conversion ? temp : p_variable);
for_jmp_addrs.push_back(opcodes.size());
append(0); // End of loop address, will be patched.
append_opcode(GDScriptFunction::OPCODE_JUMP);
append(opcodes.size() + 6); // Skip over 'continue' code.
// Next iteration.
int continue_addr = opcodes.size();
continue_addrs.push_back(continue_addr);
append_opcode(iterate_opcode);
append(counter);
append(container);
append(p_use_conversion ? temp : p_variable);
for_jmp_addrs.push_back(opcodes.size());
append(0); // Jump destination, will be patched.
if (p_use_conversion) {
write_assign_with_conversion(p_variable, temp);
const GDScriptDataType &type = p_variable.type;
if (type.kind != GDScriptDataType::BUILTIN || type.builtin_type == Variant::ARRAY || type.builtin_type == Variant::DICTIONARY) {
write_assign_false(temp); // Can contain RefCounted, so clear it.
}
}
}
void GDScriptByteCodeGenerator::write_endfor() {
// Jump back to loop check.
append_opcode(GDScriptFunction::OPCODE_JUMP);
append(continue_addrs.back()->get());
continue_addrs.pop_back();
// Patch end jumps (two of them).
for (int i = 0; i < 2; i++) {
patch_jump(for_jmp_addrs.back()->get());
for_jmp_addrs.pop_back();
}
// Patch break statements.
for (const int &E : current_breaks_to_patch.back()->get()) {
patch_jump(E);
}
current_breaks_to_patch.pop_back();
// Pop state.
for_counter_variables.pop_back();
for_container_variables.pop_back();
}
void GDScriptByteCodeGenerator::start_while_condition() {
current_breaks_to_patch.push_back(List<int>());
continue_addrs.push_back(opcodes.size());
}
void GDScriptByteCodeGenerator::write_while(const Address &p_condition) {
// Condition check.
append_opcode(GDScriptFunction::OPCODE_JUMP_IF_NOT);
append(p_condition);
while_jmp_addrs.push_back(opcodes.size());
append(0); // End of loop address, will be patched.
}
void GDScriptByteCodeGenerator::write_endwhile() {
// Jump back to loop check.
append_opcode(GDScriptFunction::OPCODE_JUMP);
append(continue_addrs.back()->get());
continue_addrs.pop_back();
// Patch end jump.
patch_jump(while_jmp_addrs.back()->get());
while_jmp_addrs.pop_back();
// Patch break statements.
for (const int &E : current_breaks_to_patch.back()->get()) {
patch_jump(E);
}
current_breaks_to_patch.pop_back();
}
void GDScriptByteCodeGenerator::write_break() {
append_opcode(GDScriptFunction::OPCODE_JUMP);
current_breaks_to_patch.back()->get().push_back(opcodes.size());
append(0);
}
void GDScriptByteCodeGenerator::write_continue() {
append_opcode(GDScriptFunction::OPCODE_JUMP);
append(continue_addrs.back()->get());
}
void GDScriptByteCodeGenerator::write_breakpoint() {
append_opcode(GDScriptFunction::OPCODE_BREAKPOINT);
}
void GDScriptByteCodeGenerator::write_newline(int p_line) {
append_opcode(GDScriptFunction::OPCODE_LINE);
append(p_line);
current_line = p_line;
}
void GDScriptByteCodeGenerator::write_return(const Address &p_return_value) {
if (!function->return_type.has_type || p_return_value.type.has_type) {
// Either the function is untyped or the return value is also typed.
// If this is a typed function, then we need to check for potential conversions.
if (function->return_type.has_type) {
if (function->return_type.kind == GDScriptDataType::BUILTIN && function->return_type.builtin_type == Variant::ARRAY && function->return_type.has_container_element_type(0)) {
// Typed array.
const GDScriptDataType &element_type = function->return_type.get_container_element_type(0);
append_opcode(GDScriptFunction::OPCODE_RETURN_TYPED_ARRAY);
append(p_return_value);
append(get_constant_pos(element_type.script_type) | (GDScriptFunction::ADDR_TYPE_CONSTANT << GDScriptFunction::ADDR_BITS));
append(element_type.builtin_type);
append(element_type.native_type);
} else if (function->return_type.kind == GDScriptDataType::BUILTIN && p_return_value.type.kind == GDScriptDataType::BUILTIN && function->return_type.builtin_type != p_return_value.type.builtin_type) {
// Add conversion.
append_opcode(GDScriptFunction::OPCODE_RETURN_TYPED_BUILTIN);
append(p_return_value);
append(function->return_type.builtin_type);
} else {
// Just assign.
append_opcode(GDScriptFunction::OPCODE_RETURN);
append(p_return_value);
}
} else {
append_opcode(GDScriptFunction::OPCODE_RETURN);
append(p_return_value);
}
} else {
switch (function->return_type.kind) {
case GDScriptDataType::BUILTIN: {
if (function->return_type.builtin_type == Variant::ARRAY && function->return_type.has_container_element_type(0)) {
const GDScriptDataType &element_type = function->return_type.get_container_element_type(0);
append_opcode(GDScriptFunction::OPCODE_RETURN_TYPED_ARRAY);
append(p_return_value);
append(get_constant_pos(element_type.script_type) | (GDScriptFunction::ADDR_TYPE_CONSTANT << GDScriptFunction::ADDR_BITS));
append(element_type.builtin_type);
append(element_type.native_type);
} else {
append_opcode(GDScriptFunction::OPCODE_RETURN_TYPED_BUILTIN);
append(p_return_value);
append(function->return_type.builtin_type);
}
} break;
case GDScriptDataType::NATIVE: {
append_opcode(GDScriptFunction::OPCODE_RETURN_TYPED_NATIVE);
append(p_return_value);
int class_idx = GDScriptLanguage::get_singleton()->get_global_map()[function->return_type.native_type];
Variant nc = GDScriptLanguage::get_singleton()->get_global_array()[class_idx];
class_idx = get_constant_pos(nc) | (GDScriptFunction::ADDR_TYPE_CONSTANT << GDScriptFunction::ADDR_BITS);
append(class_idx);
} break;
case GDScriptDataType::GDSCRIPT:
case GDScriptDataType::SCRIPT: {
Variant script = function->return_type.script_type;
int script_idx = get_constant_pos(script) | (GDScriptFunction::ADDR_TYPE_CONSTANT << GDScriptFunction::ADDR_BITS);
append_opcode(GDScriptFunction::OPCODE_RETURN_TYPED_SCRIPT);
append(p_return_value);
append(script_idx);
} break;
default: {
ERR_PRINT("Compiler bug: unresolved return.");
// Shouldn't get here, but fail-safe to a regular return;
append_opcode(GDScriptFunction::OPCODE_RETURN);
append(p_return_value);
} break;
}
}
}
void GDScriptByteCodeGenerator::write_assert(const Address &p_test, const Address &p_message) {
append_opcode(GDScriptFunction::OPCODE_ASSERT);
append(p_test);
append(p_message);
}
void GDScriptByteCodeGenerator::start_block() {
push_stack_identifiers();
}
void GDScriptByteCodeGenerator::end_block() {
pop_stack_identifiers();
}
void GDScriptByteCodeGenerator::clean_temporaries() {
List<int>::Element *E = temporaries_pending_clear.front();
while (E) {
// The temporary may have been re-used as something else than an object
// since it was added to the list. In that case, there's no need to clear it.
int slot_idx = E->get();
const StackSlot &slot = temporaries[slot_idx];
if (slot.type == Variant::NIL) {
write_assign_false(Address(Address::TEMPORARY, slot_idx));
}
List<int>::Element *next = E->next();
E->erase();
E = next;
}
}
GDScriptByteCodeGenerator::~GDScriptByteCodeGenerator() {
if (!ended && function != nullptr) {
memdelete(function);
}
}
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