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85e316a5d5
godot/modules/gdscript/gdscript_byte_codegen.cpp
George Marques 85e316a5d5
Add typed arrays to GDScript 
- Use `Array[type]` for type-hints. e.g.:
  `var array: Array[int] = [1, 2, 3]`
- Array literals are typed if their storage is typed (variable
  asssignment of as argument in function all). Otherwise they are
  untyped.
2021-03-29 10:45:48 -03:00

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/*************************************************************************/
/* gdscript_byte_codegen.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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 "core/debugger/engine_debugger.h"
#include "gdscript.h"
uint32_t GDScriptByteCodeGenerator::add_parameter(const StringName &p_name, bool p_is_optional, const GDScriptDataType &p_type) {
#ifdef TOOLS_ENABLED
function->arg_names.push_back(p_name);
#endif
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 = increase_stack();
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) {
if (constant_map.has(p_constant)) {
return constant_map[p_constant];
}
int index = constant_map.size();
constant_map[p_constant] = index;
return index;
}
uint32_t GDScriptByteCodeGenerator::add_or_get_name(const StringName &p_name) {
return get_name_map_pos(p_name);
}
uint32_t GDScriptByteCodeGenerator::add_temporary() {
current_temporaries++;
int idx = increase_stack();
#ifdef DEBUG_ENABLED
temp_stack.push_back(idx);
#endif
return idx;
}
void GDScriptByteCodeGenerator::pop_temporary() {
ERR_FAIL_COND(current_temporaries == 0);
current_stack_size--;
#ifdef DEBUG_ENABLED
if (temp_stack.back()->get() != current_stack_size) {
ERR_PRINT("Mismatched popping of temporary value");
}
temp_stack.pop_back();
#endif
current_temporaries--;
}
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.invert();
}
void GDScriptByteCodeGenerator::write_start(GDScript *p_script, const StringName &p_function_name, bool p_static, MultiplayerAPI::RPCMode p_rpc_mode, 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_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_mode = p_rpc_mode;
function->_argument_count = 0;
}
GDScriptFunction *GDScriptByteCodeGenerator::write_end() {
#ifdef DEBUG_ENABLED
if (current_temporaries != 0) {
ERR_PRINT("Non-zero temporary variables at end of function: " + itos(current_temporaries));
}
#endif
append(GDScriptFunction::OPCODE_END, 0);
if (constant_map.size()) {
function->_constant_count = constant_map.size();
function->constants.resize(constant_map.size());
function->_constants_ptr = function->constants.ptrw();
const Variant *K = nullptr;
while ((K = constant_map.next(K))) {
int idx = constant_map[*K];
function->constants.write[idx] = *K;
}
} 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 (Map<StringName, int>::Element *E = name_map.front(); E; E = E->next()) {
function->global_names.write[E->get()] = 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[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 Map<Variant::ValidatedOperatorEvaluator, int>::Element *E = operator_func_map.front(); E; E = E->next()) {
function->operator_funcs.write[E->get()] = 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 Map<Variant::ValidatedSetter, int>::Element *E = setters_map.front(); E; E = E->next()) {
function->setters.write[E->get()] = 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 Map<Variant::ValidatedGetter, int>::Element *E = getters_map.front(); E; E = E->next()) {
function->getters.write[E->get()] = 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 Map<Variant::ValidatedKeyedSetter, int>::Element *E = keyed_setters_map.front(); E; E = E->next()) {
function->keyed_setters.write[E->get()] = 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 Map<Variant::ValidatedKeyedGetter, int>::Element *E = keyed_getters_map.front(); E; E = E->next()) {
function->keyed_getters.write[E->get()] = 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 Map<Variant::ValidatedIndexedSetter, int>::Element *E = indexed_setters_map.front(); E; E = E->next()) {
function->indexed_setters.write[E->get()] = 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 Map<Variant::ValidatedIndexedGetter, int>::Element *E = indexed_getters_map.front(); E; E = E->next()) {
function->indexed_getters.write[E->get()] = 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 Map<Variant::ValidatedBuiltInMethod, int>::Element *E = builtin_method_map.front(); E; E = E->next()) {
function->builtin_methods.write[E->get()] = 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 Map<Variant::ValidatedConstructor, int>::Element *E = constructors_map.front(); E; E = E->next()) {
function->constructors.write[E->get()] = 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 Map<Variant::ValidatedUtilityFunction, int>::Element *E = utilities_map.front(); E; E = E->next()) {
function->utilities.write[E->get()] = 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 Map<GDScriptUtilityFunctions::FunctionPtr, int>::Element *E = gds_utilities_map.front(); E; E = E->next()) {
function->gds_utilities.write[E->get()] = 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 Map<MethodBind *, int>::Element *E = method_bind_map.front(); E; E = E->next()) {
function->methods.write[E->get()] = E->key();
}
} else {
function->_methods_ptr = nullptr;
function->_methods_count = 0;
}
if (debug_stack) {
function->stack_debug = stack_debug;
}
function->_stack_size = stack_max;
function->_instruction_args_size = instr_args_max;
function->_ptrcall_args_size = ptrcall_max;
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)
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(GDScriptFunction::OPCODE_OPERATOR_VALIDATED, 3);
append(p_left_operand);
append(Address());
append(p_target);
append(op_func);
return;
}
// No specific types, perform variant evaluation.
append(GDScriptFunction::OPCODE_OPERATOR, 3);
append(p_left_operand);
append(Address());
append(p_target);
append(p_operator);
}
void GDScriptByteCodeGenerator::write_binary_operator(const Address &p_target, Variant::Operator p_operator, const Address &p_left_operand, const Address &p_right_operand) {
if (HAS_BUILTIN_TYPE(p_left_operand) && HAS_BUILTIN_TYPE(p_right_operand)) {
// 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(GDScriptFunction::OPCODE_OPERATOR_VALIDATED, 3);
append(p_left_operand);
append(p_right_operand);
append(p_target);
append(op_func);
return;
}
// No specific types, perform variant evaluation.
append(GDScriptFunction::OPCODE_OPERATOR, 3);
append(p_left_operand);
append(p_right_operand);
append(p_target);
append(p_operator);
}
void GDScriptByteCodeGenerator::write_type_test(const Address &p_target, const Address &p_source, const Address &p_type) {
append(GDScriptFunction::OPCODE_EXTENDS_TEST, 3);
append(p_source);
append(p_type);
append(p_target);
}
void GDScriptByteCodeGenerator::write_type_test_builtin(const Address &p_target, const Address &p_source, Variant::Type p_type) {
append(GDScriptFunction::OPCODE_IS_BUILTIN, 3);
append(p_source);
append(p_target);
append(p_type);
}
void GDScriptByteCodeGenerator::write_and_left_operand(const Address &p_left_operand) {
append(GDScriptFunction::OPCODE_JUMP_IF_NOT, 1);
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(GDScriptFunction::OPCODE_JUMP_IF_NOT, 1);
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(GDScriptFunction::OPCODE_ASSIGN_TRUE, 1);
append(p_target);
// Jump away from the fail condition.
append(GDScriptFunction::OPCODE_JUMP, 0);
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(GDScriptFunction::OPCODE_ASSIGN_FALSE, 1);
append(p_target);
}
void GDScriptByteCodeGenerator::write_or_left_operand(const Address &p_left_operand) {
append(GDScriptFunction::OPCODE_JUMP_IF, 1);
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(GDScriptFunction::OPCODE_JUMP_IF, 1);
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(GDScriptFunction::OPCODE_ASSIGN_FALSE, 1);
append(p_target);
// Jump away from the success condition.
append(GDScriptFunction::OPCODE_JUMP, 0);
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(GDScriptFunction::OPCODE_ASSIGN_TRUE, 1);
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(GDScriptFunction::OPCODE_JUMP_IF_NOT, 1);
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(GDScriptFunction::OPCODE_ASSIGN, 2);
append(ternary_result.back()->get());
append(p_expr);
// Jump away from the false path.
append(GDScriptFunction::OPCODE_JUMP, 0);
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(GDScriptFunction::OPCODE_ASSIGN, 2);
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();
}
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)) {
// Use indexed setter instead.
Variant::ValidatedIndexedSetter setter = Variant::get_member_validated_indexed_setter(p_target.type.builtin_type);
append(GDScriptFunction::OPCODE_SET_INDEXED_VALIDATED, 3);
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(GDScriptFunction::OPCODE_SET_KEYED_VALIDATED, 3);
append(p_target);
append(p_index);
append(p_source);
append(setter);
return;
}
}
append(GDScriptFunction::OPCODE_SET_KEYED, 3);
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(GDScriptFunction::OPCODE_GET_INDEXED_VALIDATED, 3);
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(GDScriptFunction::OPCODE_GET_KEYED_VALIDATED, 3);
append(p_source);
append(p_index);
append(p_target);
append(getter);
return;
}
}
append(GDScriptFunction::OPCODE_GET_KEYED, 3);
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)) {
Variant::ValidatedSetter setter = Variant::get_member_validated_setter(p_target.type.builtin_type, p_name);
append(GDScriptFunction::OPCODE_SET_NAMED_VALIDATED, 2);
append(p_target);
append(p_source);
append(setter);
return;
}
append(GDScriptFunction::OPCODE_SET_NAMED, 2);
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(GDScriptFunction::OPCODE_GET_NAMED_VALIDATED, 2);
append(p_source);
append(p_target);
append(getter);
return;
}
append(GDScriptFunction::OPCODE_GET_NAMED, 2);
append(p_source);
append(p_target);
append(p_name);
}
void GDScriptByteCodeGenerator::write_set_member(const Address &p_value, const StringName &p_name) {
append(GDScriptFunction::OPCODE_SET_MEMBER, 1);
append(p_value);
append(p_name);
}
void GDScriptByteCodeGenerator::write_get_member(const Address &p_target, const StringName &p_name) {
append(GDScriptFunction::OPCODE_GET_MEMBER, 1);
append(p_target);
append(p_name);
}
void GDScriptByteCodeGenerator::write_assign(const Address &p_target, const Address &p_source) {
if (p_target.type.has_type && !p_source.type.has_type) {
// Typed assignment.
switch (p_target.type.kind) {
case GDScriptDataType::BUILTIN: {
if (p_target.type.builtin_type == Variant::ARRAY && p_target.type.has_container_element_type()) {
append(GDScriptFunction::OPCODE_ASSIGN_TYPED_ARRAY, 2);
append(p_target);
append(p_source);
} else {
append(GDScriptFunction::OPCODE_ASSIGN_TYPED_BUILTIN, 2);
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];
class_idx |= (GDScriptFunction::ADDR_TYPE_GLOBAL << GDScriptFunction::ADDR_BITS);
append(GDScriptFunction::OPCODE_ASSIGN_TYPED_NATIVE, 3);
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);
idx |= (GDScriptFunction::ADDR_TYPE_LOCAL_CONSTANT << GDScriptFunction::ADDR_BITS);
append(GDScriptFunction::OPCODE_ASSIGN_TYPED_SCRIPT, 3);
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(GDScriptFunction::OPCODE_ASSIGN, 2);
append(p_target);
append(p_source);
}
}
} else {
if (p_target.type.kind == GDScriptDataType::BUILTIN && p_target.type.builtin_type == Variant::ARRAY && p_target.type.has_container_element_type()) {
append(GDScriptFunction::OPCODE_ASSIGN_TYPED_ARRAY, 2);
append(p_target);
append(p_source);
} 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(GDScriptFunction::OPCODE_ASSIGN_TYPED_BUILTIN, 2);
append(p_target);
append(p_source);
append(p_target.type.builtin_type);
} else {
// Either untyped assignment or already type-checked by the parser
append(GDScriptFunction::OPCODE_ASSIGN, 2);
append(p_target);
append(p_source);
}
}
}
void GDScriptByteCodeGenerator::write_assign_true(const Address &p_target) {
append(GDScriptFunction::OPCODE_ASSIGN_TRUE, 1);
append(p_target);
}
void GDScriptByteCodeGenerator::write_assign_false(const Address &p_target) {
append(GDScriptFunction::OPCODE_ASSIGN_FALSE, 1);
append(p_target);
}
void GDScriptByteCodeGenerator::write_assign_default_parameter(const Address &p_dst, const Address &p_src) {
write_assign(p_dst, p_src);
function->default_arguments.push_back(opcodes.size());
}
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(GDScriptFunction::OPCODE_CAST_TO_BUILTIN, 2);
index = p_type.builtin_type;
} break;
case GDScriptDataType::NATIVE: {
int class_idx = GDScriptLanguage::get_singleton()->get_global_map()[p_type.native_type];
class_idx |= (GDScriptFunction::ADDR_TYPE_GLOBAL << GDScriptFunction::ADDR_BITS);
append(GDScriptFunction::OPCODE_CAST_TO_NATIVE, 3);
index = class_idx;
} break;
case GDScriptDataType::SCRIPT:
case GDScriptDataType::GDSCRIPT: {
Variant script = p_type.script_type;
int idx = get_constant_pos(script);
idx |= (GDScriptFunction::ADDR_TYPE_LOCAL_CONSTANT << GDScriptFunction::ADDR_BITS);
append(GDScriptFunction::OPCODE_CAST_TO_SCRIPT, 3);
index = idx;
} break;
default: {
return;
}
}
append(p_source);
append(p_target);
append(index);
}
void GDScriptByteCodeGenerator::write_call(const Address &p_target, const Address &p_base, const StringName &p_function_name, const Vector<Address> &p_arguments) {
append(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);
append(p_target);
append(p_arguments.size());
append(p_function_name);
}
void GDScriptByteCodeGenerator::write_super_call(const Address &p_target, const StringName &p_function_name, const Vector<Address> &p_arguments) {
append(GDScriptFunction::OPCODE_CALL_SELF_BASE, 1 + p_arguments.size());
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
append(p_target);
append(p_arguments.size());
append(p_function_name);
}
void GDScriptByteCodeGenerator::write_call_async(const Address &p_target, const Address &p_base, const StringName &p_function_name, const Vector<Address> &p_arguments) {
append(GDScriptFunction::OPCODE_CALL_ASYNC, 2 + p_arguments.size());
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
append(p_base);
append(p_target);
append(p_arguments.size());
append(p_function_name);
}
void GDScriptByteCodeGenerator::write_call_gdscript_utility(const Address &p_target, GDScriptUtilityFunctions::FunctionPtr p_function, const Vector<Address> &p_arguments) {
append(GDScriptFunction::OPCODE_CALL_GDSCRIPT_UTILITY, 1 + p_arguments.size());
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
append(p_target);
append(p_arguments.size());
append(p_function);
}
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 = true; // Vararg works fine with any argument, since they can be any type.
} 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) {
append(GDScriptFunction::OPCODE_CALL_UTILITY_VALIDATED, 1 + p_arguments.size());
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
append(p_target);
append(p_arguments.size());
append(Variant::get_validated_utility_function(p_function));
} else {
append(GDScriptFunction::OPCODE_CALL_UTILITY, 1 + p_arguments.size());
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
append(p_target);
append(p_arguments.size());
append(p_function);
}
}
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) {
bool is_validated = false;
// Check if all types are correct.
if (Variant::is_builtin_method_vararg(p_type, p_method)) {
is_validated = true; // Vararg works fine with any argument, since they can be any type.
} 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.
write_call(p_target, p_base, p_method, p_arguments);
return;
}
append(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(p_target);
append(p_arguments.size());
append(Variant::get_validated_builtin_method(p_type, p_method));
}
void GDScriptByteCodeGenerator::write_call_method_bind(const Address &p_target, const Address &p_base, MethodBind *p_method, const Vector<Address> &p_arguments) {
append(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]);
}
append(p_base);
append(p_target);
append(p_arguments.size());
append(p_method);
}
void GDScriptByteCodeGenerator::write_call_ptrcall(const Address &p_target, const Address &p_base, MethodBind *p_method, const Vector<Address> &p_arguments) {
#define CASE_TYPE(m_type) \
case Variant::m_type: \
append(GDScriptFunction::OPCODE_CALL_PTRCALL_##m_type, 2 + p_arguments.size()); \
break
bool is_ptrcall = true;
if (p_method->has_return()) {
MethodInfo info;
ClassDB::get_method_info(p_method->get_instance_class(), p_method->get_name(), &info);
switch (info.return_val.type) {
CASE_TYPE(BOOL);
CASE_TYPE(INT);
CASE_TYPE(FLOAT);
CASE_TYPE(STRING);
CASE_TYPE(VECTOR2);
CASE_TYPE(VECTOR2I);
CASE_TYPE(RECT2);
CASE_TYPE(RECT2I);
CASE_TYPE(VECTOR3);
CASE_TYPE(VECTOR3I);
CASE_TYPE(TRANSFORM2D);
CASE_TYPE(PLANE);
CASE_TYPE(AABB);
CASE_TYPE(BASIS);
CASE_TYPE(TRANSFORM);
CASE_TYPE(COLOR);
CASE_TYPE(STRING_NAME);
CASE_TYPE(NODE_PATH);
CASE_TYPE(RID);
CASE_TYPE(QUAT);
CASE_TYPE(OBJECT);
CASE_TYPE(CALLABLE);
CASE_TYPE(SIGNAL);
CASE_TYPE(DICTIONARY);
CASE_TYPE(ARRAY);
CASE_TYPE(PACKED_BYTE_ARRAY);
CASE_TYPE(PACKED_INT32_ARRAY);
CASE_TYPE(PACKED_INT64_ARRAY);
CASE_TYPE(PACKED_FLOAT32_ARRAY);
CASE_TYPE(PACKED_FLOAT64_ARRAY);
CASE_TYPE(PACKED_STRING_ARRAY);
CASE_TYPE(PACKED_VECTOR2_ARRAY);
CASE_TYPE(PACKED_VECTOR3_ARRAY);
CASE_TYPE(PACKED_COLOR_ARRAY);
default:
append(p_target.mode == Address::NIL ? GDScriptFunction::OPCODE_CALL_METHOD_BIND : GDScriptFunction::OPCODE_CALL_METHOD_BIND_RET, 2 + p_arguments.size());
is_ptrcall = false;
break;
}
} else {
append(GDScriptFunction::OPCODE_CALL_PTRCALL_NO_RETURN, 2 + p_arguments.size());
}
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
append(p_base);
append(p_target);
append(p_arguments.size());
append(p_method);
if (is_ptrcall) {
alloc_ptrcall(p_arguments.size());
}
#undef CASE_TYPE
}
void GDScriptByteCodeGenerator::write_call_self(const Address &p_target, const StringName &p_function_name, const Vector<Address> &p_arguments) {
append(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_SELF << GDScriptFunction::ADDR_BITS);
append(p_target);
append(p_arguments.size());
append(p_function_name);
}
void GDScriptByteCodeGenerator::write_call_self_async(const Address &p_target, const StringName &p_function_name, const Vector<Address> &p_arguments) {
append(GDScriptFunction::OPCODE_CALL_ASYNC, 2 + p_arguments.size());
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
append(GDScriptFunction::ADDR_TYPE_SELF << GDScriptFunction::ADDR_BITS);
append(p_target);
append(p_arguments.size());
append(p_function_name);
}
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(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);
append(p_target);
append(p_arguments.size());
append(p_function_name);
}
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(GDScriptFunction::OPCODE_CONSTRUCT_VALIDATED, 1 + p_arguments.size());
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
append(p_target);
append(p_arguments.size());
append(Variant::get_validated_constructor(p_type, valid_constructor));
return;
}
}
append(GDScriptFunction::OPCODE_CONSTRUCT, 1 + p_arguments.size());
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
append(p_target);
append(p_arguments.size());
append(p_type);
}
void GDScriptByteCodeGenerator::write_construct_array(const Address &p_target, const Vector<Address> &p_arguments) {
append(GDScriptFunction::OPCODE_CONSTRUCT_ARRAY, 1 + p_arguments.size());
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
append(p_target);
append(p_arguments.size());
}
void GDScriptByteCodeGenerator::write_construct_typed_array(const Address &p_target, const GDScriptDataType &p_element_type, const Vector<Address> &p_arguments) {
append(GDScriptFunction::OPCODE_CONSTRUCT_TYPED_ARRAY, 2 + p_arguments.size());
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
append(p_target);
if (p_element_type.script_type) {
Variant script_type = Ref<Script>(p_element_type.script_type);
int addr = get_constant_pos(script_type);
addr |= GDScriptFunction::ADDR_TYPE_LOCAL_CONSTANT << GDScriptFunction::ADDR_BITS;
append(addr);
} else {
append(Address()); // null.
}
append(p_arguments.size());
append(p_element_type.builtin_type);
append(p_element_type.native_type);
}
void GDScriptByteCodeGenerator::write_construct_dictionary(const Address &p_target, const Vector<Address> &p_arguments) {
append(GDScriptFunction::OPCODE_CONSTRUCT_DICTIONARY, 1 + p_arguments.size());
for (int i = 0; i < p_arguments.size(); i++) {
append(p_arguments[i]);
}
append(p_target);
append(p_arguments.size() / 2); // This is number of key-value pairs, so only half of actual arguments.
}
void GDScriptByteCodeGenerator::write_await(const Address &p_target, const Address &p_operand) {
append(GDScriptFunction::OPCODE_AWAIT, 1);
append(p_operand);
append(GDScriptFunction::OPCODE_AWAIT_RESUME, 1);
append(p_target);
}
void GDScriptByteCodeGenerator::write_if(const Address &p_condition) {
append(GDScriptFunction::OPCODE_JUMP_IF_NOT, 1);
append(p_condition);
if_jmp_addrs.push_back(opcodes.size());
append(0); // Jump destination, will be patched.
}
void GDScriptByteCodeGenerator::write_else() {
append(GDScriptFunction::OPCODE_JUMP, 0); // 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::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_variable, const Address &p_list) {
const Address &container = for_container_variables.back()->get();
// Assign container.
append(GDScriptFunction::OPCODE_ASSIGN, 2);
append(container);
append(p_list);
for_iterator_variables.push_back(p_variable);
}
void GDScriptByteCodeGenerator::write_for() {
const Address &iterator = for_iterator_variables.back()->get();
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;
}
}
// Begin loop.
append(begin_opcode, 3);
append(counter);
append(container);
append(iterator);
for_jmp_addrs.push_back(opcodes.size());
append(0); // End of loop address, will be patched.
append(GDScriptFunction::OPCODE_JUMP, 0);
append(opcodes.size() + 6); // Skip over 'continue' code.
// Next iteration.
int continue_addr = opcodes.size();
continue_addrs.push_back(continue_addr);
append(iterate_opcode, 3);
append(counter);
append(container);
append(iterator);
for_jmp_addrs.push_back(opcodes.size());
append(0); // Jump destination, will be patched.
}
void GDScriptByteCodeGenerator::write_endfor() {
// Jump back to loop check.
append(GDScriptFunction::OPCODE_JUMP, 0);
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 List<int>::Element *E = current_breaks_to_patch.back()->get().front(); E; E = E->next()) {
patch_jump(E->get());
}
current_breaks_to_patch.pop_back();
// Pop state.
for_iterator_variables.pop_back();
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(GDScriptFunction::OPCODE_JUMP_IF_NOT, 1);
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(GDScriptFunction::OPCODE_JUMP, 0);
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 List<int>::Element *E = current_breaks_to_patch.back()->get().front(); E; E = E->next()) {
patch_jump(E->get());
}
current_breaks_to_patch.pop_back();
}
void GDScriptByteCodeGenerator::start_match() {
match_continues_to_patch.push_back(List<int>());
}
void GDScriptByteCodeGenerator::start_match_branch() {
// Patch continue statements.
for (const List<int>::Element *E = match_continues_to_patch.back()->get().front(); E; E = E->next()) {
patch_jump(E->get());
}
match_continues_to_patch.pop_back();
// Start a new list for next branch.
match_continues_to_patch.push_back(List<int>());
}
void GDScriptByteCodeGenerator::end_match() {
// Patch continue statements.
for (const List<int>::Element *E = match_continues_to_patch.back()->get().front(); E; E = E->next()) {
patch_jump(E->get());
}
match_continues_to_patch.pop_back();
}
void GDScriptByteCodeGenerator::write_break() {
append(GDScriptFunction::OPCODE_JUMP, 0);
current_breaks_to_patch.back()->get().push_back(opcodes.size());
append(0);
}
void GDScriptByteCodeGenerator::write_continue() {
append(GDScriptFunction::OPCODE_JUMP, 0);
append(continue_addrs.back()->get());
}
void GDScriptByteCodeGenerator::write_continue_match() {
append(GDScriptFunction::OPCODE_JUMP, 0);
match_continues_to_patch.back()->get().push_back(opcodes.size());
append(0);
}
void GDScriptByteCodeGenerator::write_breakpoint() {
append(GDScriptFunction::OPCODE_BREAKPOINT, 0);
}
void GDScriptByteCodeGenerator::write_newline(int p_line) {
append(GDScriptFunction::OPCODE_LINE, 0);
append(p_line);
current_line = p_line;
}
void GDScriptByteCodeGenerator::write_return(const Address &p_return_value) {
append(GDScriptFunction::OPCODE_RETURN, 1);
append(p_return_value);
}
void GDScriptByteCodeGenerator::write_assert(const Address &p_test, const Address &p_message) {
append(GDScriptFunction::OPCODE_ASSERT, 2);
append(p_test);
append(p_message);
}
void GDScriptByteCodeGenerator::start_block() {
push_stack_identifiers();
}
void GDScriptByteCodeGenerator::end_block() {
pop_stack_identifiers();
}
GDScriptByteCodeGenerator::~GDScriptByteCodeGenerator() {
if (!ended && function != nullptr) {
memdelete(function);
}
}
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