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godot/modules/gdscript/gdscript_vm.cpp
George Marques 52ab64db69
GDScript: Add faster call instructions for builtin methods 
Methods from builtin types can be called by using the function pointer
when the argument and base types are known at compile time.
2020-11-21 13:24:50 -03:00

2166 lines
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/*************************************************************************/
/* gdscript_vm.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 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_function.h"
#include "core/os/os.h"
#include "gdscript.h"
#include "gdscript_functions.h"
Variant *GDScriptFunction::_get_variant(int p_address, GDScriptInstance *p_instance, GDScript *p_script, Variant &self, Variant &static_ref, Variant *p_stack, String &r_error) const {
int address = p_address & ADDR_MASK;
//sequential table (jump table generated by compiler)
switch ((p_address & ADDR_TYPE_MASK) >> ADDR_BITS) {
case ADDR_TYPE_SELF: {
#ifdef DEBUG_ENABLED
if (unlikely(!p_instance)) {
r_error = "Cannot access self without instance.";
return nullptr;
}
#endif
return &self;
} break;
case ADDR_TYPE_CLASS: {
return &static_ref;
} break;
case ADDR_TYPE_MEMBER: {
#ifdef DEBUG_ENABLED
if (unlikely(!p_instance)) {
r_error = "Cannot access member without instance.";
return nullptr;
}
#endif
//member indexing is O(1)
return &p_instance->members.write[address];
} break;
case ADDR_TYPE_CLASS_CONSTANT: {
//todo change to index!
GDScript *s = p_script;
#ifdef DEBUG_ENABLED
ERR_FAIL_INDEX_V(address, _global_names_count, nullptr);
#endif
const StringName *sn = &_global_names_ptr[address];
while (s) {
GDScript *o = s;
while (o) {
Map<StringName, Variant>::Element *E = o->constants.find(*sn);
if (E) {
return &E->get();
}
o = o->_owner;
}
s = s->_base;
}
ERR_FAIL_V_MSG(nullptr, "GDScriptCompiler bug.");
} break;
case ADDR_TYPE_LOCAL_CONSTANT: {
#ifdef DEBUG_ENABLED
ERR_FAIL_INDEX_V(address, _constant_count, nullptr);
#endif
return &_constants_ptr[address];
} break;
case ADDR_TYPE_STACK:
case ADDR_TYPE_STACK_VARIABLE: {
#ifdef DEBUG_ENABLED
ERR_FAIL_INDEX_V(address, _stack_size, nullptr);
#endif
return &p_stack[address];
} break;
case ADDR_TYPE_GLOBAL: {
#ifdef DEBUG_ENABLED
ERR_FAIL_INDEX_V(address, GDScriptLanguage::get_singleton()->get_global_array_size(), nullptr);
#endif
return &GDScriptLanguage::get_singleton()->get_global_array()[address];
} break;
#ifdef TOOLS_ENABLED
case ADDR_TYPE_NAMED_GLOBAL: {
#ifdef DEBUG_ENABLED
ERR_FAIL_INDEX_V(address, _global_names_count, nullptr);
#endif
StringName id = _global_names_ptr[address];
if (GDScriptLanguage::get_singleton()->get_named_globals_map().has(id)) {
return (Variant *)&GDScriptLanguage::get_singleton()->get_named_globals_map()[id];
} else {
r_error = "Autoload singleton '" + String(id) + "' has been removed.";
return nullptr;
}
} break;
#endif
case ADDR_TYPE_NIL: {
return &nil;
} break;
}
ERR_FAIL_V_MSG(nullptr, "Bad code! (unknown addressing mode).");
return nullptr;
}
#ifdef DEBUG_ENABLED
static String _get_var_type(const Variant *p_var) {
String basestr;
if (p_var->get_type() == Variant::OBJECT) {
bool was_freed;
Object *bobj = p_var->get_validated_object_with_check(was_freed);
if (!bobj) {
if (was_freed) {
basestr = "null instance";
} else {
basestr = "previously freed";
}
} else {
if (bobj->get_script_instance()) {
basestr = bobj->get_class() + " (" + bobj->get_script_instance()->get_script()->get_path().get_file() + ")";
} else {
basestr = bobj->get_class();
}
}
} else {
basestr = Variant::get_type_name(p_var->get_type());
}
return basestr;
}
#endif // DEBUG_ENABLED
String GDScriptFunction::_get_call_error(const Callable::CallError &p_err, const String &p_where, const Variant **argptrs) const {
String err_text;
if (p_err.error == Callable::CallError::CALL_ERROR_INVALID_ARGUMENT) {
int errorarg = p_err.argument;
// Handle the Object to Object case separately as we don't have further class details.
#ifdef DEBUG_ENABLED
if (p_err.expected == Variant::OBJECT && argptrs[errorarg]->get_type() == p_err.expected) {
err_text = "Invalid type in " + p_where + ". The Object-derived class of argument " + itos(errorarg + 1) + " (" + _get_var_type(argptrs[errorarg]) + ") is not a subclass of the expected argument class.";
} else
#endif // DEBUG_ENABLED
{
err_text = "Invalid type in " + p_where + ". Cannot convert argument " + itos(errorarg + 1) + " from " + Variant::get_type_name(argptrs[errorarg]->get_type()) + " to " + Variant::get_type_name(Variant::Type(p_err.expected)) + ".";
}
} else if (p_err.error == Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS) {
err_text = "Invalid call to " + p_where + ". Expected " + itos(p_err.argument) + " arguments.";
} else if (p_err.error == Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS) {
err_text = "Invalid call to " + p_where + ". Expected " + itos(p_err.argument) + " arguments.";
} else if (p_err.error == Callable::CallError::CALL_ERROR_INVALID_METHOD) {
err_text = "Invalid call. Nonexistent " + p_where + ".";
} else if (p_err.error == Callable::CallError::CALL_ERROR_INSTANCE_IS_NULL) {
err_text = "Attempt to call " + p_where + " on a null instance.";
} else {
err_text = "Bug, call error: #" + itos(p_err.error);
}
return err_text;
}
#if defined(__GNUC__)
#define OPCODES_TABLE \
static const void *switch_table_ops[] = { \
&&OPCODE_OPERATOR, \
&&OPCODE_OPERATOR_VALIDATED, \
&&OPCODE_EXTENDS_TEST, \
&&OPCODE_IS_BUILTIN, \
&&OPCODE_SET_KEYED, \
&&OPCODE_SET_KEYED_VALIDATED, \
&&OPCODE_SET_INDEXED_VALIDATED, \
&&OPCODE_GET_KEYED, \
&&OPCODE_GET_KEYED_VALIDATED, \
&&OPCODE_GET_INDEXED_VALIDATED, \
&&OPCODE_SET_NAMED, \
&&OPCODE_SET_NAMED_VALIDATED, \
&&OPCODE_GET_NAMED, \
&&OPCODE_GET_NAMED_VALIDATED, \
&&OPCODE_SET_MEMBER, \
&&OPCODE_GET_MEMBER, \
&&OPCODE_ASSIGN, \
&&OPCODE_ASSIGN_TRUE, \
&&OPCODE_ASSIGN_FALSE, \
&&OPCODE_ASSIGN_TYPED_BUILTIN, \
&&OPCODE_ASSIGN_TYPED_NATIVE, \
&&OPCODE_ASSIGN_TYPED_SCRIPT, \
&&OPCODE_CAST_TO_BUILTIN, \
&&OPCODE_CAST_TO_NATIVE, \
&&OPCODE_CAST_TO_SCRIPT, \
&&OPCODE_CONSTRUCT, \
&&OPCODE_CONSTRUCT_ARRAY, \
&&OPCODE_CONSTRUCT_DICTIONARY, \
&&OPCODE_CALL, \
&&OPCODE_CALL_RETURN, \
&&OPCODE_CALL_ASYNC, \
&&OPCODE_CALL_BUILT_IN, \
&&OPCODE_CALL_BUILTIN_TYPE_VALIDATED, \
&&OPCODE_CALL_SELF_BASE, \
&&OPCODE_CALL_METHOD_BIND, \
&&OPCODE_CALL_METHOD_BIND_RET, \
&&OPCODE_CALL_PTRCALL_NO_RETURN, \
&&OPCODE_CALL_PTRCALL_BOOL, \
&&OPCODE_CALL_PTRCALL_INT, \
&&OPCODE_CALL_PTRCALL_FLOAT, \
&&OPCODE_CALL_PTRCALL_STRING, \
&&OPCODE_CALL_PTRCALL_VECTOR2, \
&&OPCODE_CALL_PTRCALL_VECTOR2I, \
&&OPCODE_CALL_PTRCALL_RECT2, \
&&OPCODE_CALL_PTRCALL_RECT2I, \
&&OPCODE_CALL_PTRCALL_VECTOR3, \
&&OPCODE_CALL_PTRCALL_VECTOR3I, \
&&OPCODE_CALL_PTRCALL_TRANSFORM2D, \
&&OPCODE_CALL_PTRCALL_PLANE, \
&&OPCODE_CALL_PTRCALL_QUAT, \
&&OPCODE_CALL_PTRCALL_AABB, \
&&OPCODE_CALL_PTRCALL_BASIS, \
&&OPCODE_CALL_PTRCALL_TRANSFORM, \
&&OPCODE_CALL_PTRCALL_COLOR, \
&&OPCODE_CALL_PTRCALL_STRING_NAME, \
&&OPCODE_CALL_PTRCALL_NODE_PATH, \
&&OPCODE_CALL_PTRCALL_RID, \
&&OPCODE_CALL_PTRCALL_OBJECT, \
&&OPCODE_CALL_PTRCALL_CALLABLE, \
&&OPCODE_CALL_PTRCALL_SIGNAL, \
&&OPCODE_CALL_PTRCALL_DICTIONARY, \
&&OPCODE_CALL_PTRCALL_ARRAY, \
&&OPCODE_CALL_PTRCALL_PACKED_BYTE_ARRAY, \
&&OPCODE_CALL_PTRCALL_PACKED_INT32_ARRAY, \
&&OPCODE_CALL_PTRCALL_PACKED_INT64_ARRAY, \
&&OPCODE_CALL_PTRCALL_PACKED_FLOAT32_ARRAY, \
&&OPCODE_CALL_PTRCALL_PACKED_FLOAT64_ARRAY, \
&&OPCODE_CALL_PTRCALL_PACKED_STRING_ARRAY, \
&&OPCODE_CALL_PTRCALL_PACKED_VECTOR2_ARRAY, \
&&OPCODE_CALL_PTRCALL_PACKED_VECTOR3_ARRAY, \
&&OPCODE_CALL_PTRCALL_PACKED_COLOR_ARRAY, \
&&OPCODE_AWAIT, \
&&OPCODE_AWAIT_RESUME, \
&&OPCODE_JUMP, \
&&OPCODE_JUMP_IF, \
&&OPCODE_JUMP_IF_NOT, \
&&OPCODE_JUMP_TO_DEF_ARGUMENT, \
&&OPCODE_RETURN, \
&&OPCODE_ITERATE_BEGIN, \
&&OPCODE_ITERATE, \
&&OPCODE_ASSERT, \
&&OPCODE_BREAKPOINT, \
&&OPCODE_LINE, \
&&OPCODE_END \
}; \
static_assert((sizeof(switch_table_ops) / sizeof(switch_table_ops[0]) == (OPCODE_END + 1)), "Opcodes in jump table aren't the same as opcodes in enum.");
#define OPCODE(m_op) \
m_op:
#define OPCODE_WHILE(m_test) \
OPSWHILE:
#define OPCODES_END \
OPSEXIT:
#define OPCODES_OUT \
OPSOUT:
#define DISPATCH_OPCODE goto OPSWHILE
#define OPCODE_SWITCH(m_test) goto *switch_table_ops[m_test];
#define OPCODE_BREAK goto OPSEXIT
#define OPCODE_OUT goto OPSOUT
#else
#define OPCODES_TABLE
#define OPCODE(m_op) case m_op:
#define OPCODE_WHILE(m_test) while (m_test)
#define OPCODES_END
#define OPCODES_OUT
#define DISPATCH_OPCODE continue
#define OPCODE_SWITCH(m_test) switch (m_test)
#define OPCODE_BREAK break
#define OPCODE_OUT break
#endif
// Helpers for VariantInternal methods in macros.
#define OP_GET_BOOL get_bool
#define OP_GET_INT get_int
#define OP_GET_FLOAT get_float
#define OP_GET_VECTOR2 get_vector2
#define OP_GET_VECTOR2I get_vector2i
#define OP_GET_VECTOR3 get_vector3
#define OP_GET_VECTOR3I get_vector3i
#define OP_GET_RECT2 get_rect2
#define OP_GET_RECT2I get_rect2i
#define OP_GET_QUAT get_quat
#define OP_GET_COLOR get_color
#define OP_GET_STRING get_string
#define OP_GET_STRING_NAME get_string_name
#define OP_GET_NODE_PATH get_node_path
#define OP_GET_CALLABLE get_callable
#define OP_GET_SIGNAL get_signal
#define OP_GET_ARRAY get_array
#define OP_GET_DICTIONARY get_dictionary
#define OP_GET_PACKED_BYTE_ARRAY get_byte_array
#define OP_GET_PACKED_INT32_ARRAY get_int32_array
#define OP_GET_PACKED_INT64_ARRAY get_int64_array
#define OP_GET_PACKED_FLOAT32_ARRAY get_float32_array
#define OP_GET_PACKED_FLOAT64_ARRAY get_float64_array
#define OP_GET_PACKED_STRING_ARRAY get_string_array
#define OP_GET_PACKED_VECTOR2_ARRAY get_vector2_array
#define OP_GET_PACKED_VECTOR3_ARRAY get_vector3_array
#define OP_GET_PACKED_COLOR_ARRAY get_color_array
#define OP_GET_TRANSFORM get_transform
#define OP_GET_TRANSFORM2D get_transform2d
#define OP_GET_PLANE get_plane
#define OP_GET_AABB get_aabb
#define OP_GET_BASIS get_basis
#define OP_GET_RID get_rid
Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_args, int p_argcount, Callable::CallError &r_err, CallState *p_state) {
OPCODES_TABLE;
if (!_code_ptr) {
return Variant();
}
r_err.error = Callable::CallError::CALL_OK;
Variant self;
Variant static_ref;
Variant retvalue;
Variant *stack = nullptr;
Variant **instruction_args;
const void **call_args_ptr = nullptr;
int defarg = 0;
#ifdef DEBUG_ENABLED
//GDScriptLanguage::get_singleton()->calls++;
#endif
uint32_t alloca_size = 0;
GDScript *script;
int ip = 0;
int line = _initial_line;
if (p_state) {
//use existing (supplied) state (awaited)
stack = (Variant *)p_state->stack.ptr();
instruction_args = (Variant **)&p_state->stack.ptr()[sizeof(Variant) * p_state->stack_size]; //ptr() to avoid bounds check
line = p_state->line;
ip = p_state->ip;
alloca_size = p_state->stack.size();
script = p_state->script;
p_instance = p_state->instance;
defarg = p_state->defarg;
self = p_state->self;
} else {
if (p_argcount != _argument_count) {
if (p_argcount > _argument_count) {
r_err.error = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS;
r_err.argument = _argument_count;
return Variant();
} else if (p_argcount < _argument_count - _default_arg_count) {
r_err.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
r_err.argument = _argument_count - _default_arg_count;
return Variant();
} else {
defarg = _argument_count - p_argcount;
}
}
alloca_size = sizeof(Variant *) * _instruction_args_size + sizeof(Variant) * _stack_size;
if (alloca_size) {
uint8_t *aptr = (uint8_t *)alloca(alloca_size);
if (_stack_size) {
stack = (Variant *)aptr;
for (int i = 0; i < p_argcount; i++) {
if (!argument_types[i].has_type) {
memnew_placement(&stack[i], Variant(*p_args[i]));
continue;
}
if (!argument_types[i].is_type(*p_args[i], true)) {
r_err.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_err.argument = i;
r_err.expected = argument_types[i].kind == GDScriptDataType::BUILTIN ? argument_types[i].builtin_type : Variant::OBJECT;
return Variant();
}
if (argument_types[i].kind == GDScriptDataType::BUILTIN) {
Variant arg;
Variant::construct(argument_types[i].builtin_type, arg, &p_args[i], 1, r_err);
memnew_placement(&stack[i], Variant(arg));
} else {
memnew_placement(&stack[i], Variant(*p_args[i]));
}
}
for (int i = p_argcount; i < _stack_size; i++) {
memnew_placement(&stack[i], Variant);
}
} else {
stack = nullptr;
}
if (_instruction_args_size) {
instruction_args = (Variant **)&aptr[sizeof(Variant) * _stack_size];
} else {
instruction_args = nullptr;
}
} else {
stack = nullptr;
instruction_args = nullptr;
}
if (p_instance) {
if (p_instance->base_ref && static_cast<Reference *>(p_instance->owner)->is_referenced()) {
self = REF(static_cast<Reference *>(p_instance->owner));
} else {
self = p_instance->owner;
}
script = p_instance->script.ptr();
} else {
script = _script;
}
}
if (_ptrcall_args_size) {
call_args_ptr = (const void **)alloca(_ptrcall_args_size * sizeof(void *));
} else {
call_args_ptr = nullptr;
}
static_ref = script;
String err_text;
#ifdef DEBUG_ENABLED
if (EngineDebugger::is_active()) {
GDScriptLanguage::get_singleton()->enter_function(p_instance, this, stack, &ip, &line);
}
#define GD_ERR_BREAK(m_cond) \
{ \
if (unlikely(m_cond)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition ' " _STR(m_cond) " ' is true. Breaking..:"); \
OPCODE_BREAK; \
} \
}
#define CHECK_SPACE(m_space) \
GD_ERR_BREAK((ip + m_space) > _code_size)
#define GET_VARIANT_PTR(m_v, m_code_ofs) \
Variant *m_v; \
m_v = _get_variant(_code_ptr[ip + m_code_ofs], p_instance, script, self, static_ref, stack, err_text); \
if (unlikely(!m_v)) \
OPCODE_BREAK;
#else
#define GD_ERR_BREAK(m_cond)
#define CHECK_SPACE(m_space)
#define GET_VARIANT_PTR(m_v, m_code_ofs) \
Variant *m_v; \
m_v = _get_variant(_code_ptr[ip + m_code_ofs], p_instance, script, self, static_ref, stack, err_text);
#endif
#define GET_INSTRUCTION_ARG(m_v, m_idx) \
Variant *m_v = instruction_args[m_idx]
#ifdef DEBUG_ENABLED
uint64_t function_start_time = 0;
uint64_t function_call_time = 0;
if (GDScriptLanguage::get_singleton()->profiling) {
function_start_time = OS::get_singleton()->get_ticks_usec();
function_call_time = 0;
profile.call_count++;
profile.frame_call_count++;
}
bool exit_ok = false;
bool awaited = false;
#endif
#ifdef DEBUG_ENABLED
OPCODE_WHILE(ip < _code_size) {
int last_opcode = _code_ptr[ip];
#else
OPCODE_WHILE(true) {
#endif
// Load arguments for the instruction before each instruction.
int instr_arg_count = ((_code_ptr[ip]) & INSTR_ARGS_MASK) >> INSTR_BITS;
for (int i = 0; i < instr_arg_count; i++) {
GET_VARIANT_PTR(v, i + 1);
instruction_args[i] = v;
}
OPCODE_SWITCH(_code_ptr[ip] & INSTR_MASK) {
OPCODE(OPCODE_OPERATOR) {
CHECK_SPACE(5);
bool valid;
Variant::Operator op = (Variant::Operator)_code_ptr[ip + 4];
GD_ERR_BREAK(op >= Variant::OP_MAX);
GET_INSTRUCTION_ARG(a, 0);
GET_INSTRUCTION_ARG(b, 1);
GET_INSTRUCTION_ARG(dst, 2);
#ifdef DEBUG_ENABLED
Variant ret;
Variant::evaluate(op, *a, *b, ret, valid);
#else
Variant::evaluate(op, *a, *b, *dst, valid);
#endif
#ifdef DEBUG_ENABLED
if (!valid) {
if (ret.get_type() == Variant::STRING) {
//return a string when invalid with the error
err_text = ret;
err_text += " in operator '" + Variant::get_operator_name(op) + "'.";
} else {
err_text = "Invalid operands '" + Variant::get_type_name(a->get_type()) + "' and '" + Variant::get_type_name(b->get_type()) + "' in operator '" + Variant::get_operator_name(op) + "'.";
}
OPCODE_BREAK;
}
*dst = ret;
#endif
ip += 5;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_OPERATOR_VALIDATED) {
CHECK_SPACE(5);
int operator_idx = _code_ptr[ip + 4];
GD_ERR_BREAK(operator_idx < 0 || operator_idx >= _operator_funcs_count);
Variant::ValidatedOperatorEvaluator operator_func = _operator_funcs_ptr[operator_idx];
GET_INSTRUCTION_ARG(a, 0);
GET_INSTRUCTION_ARG(b, 1);
GET_INSTRUCTION_ARG(dst, 2);
operator_func(a, b, dst);
ip += 5;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_EXTENDS_TEST) {
CHECK_SPACE(4);
GET_INSTRUCTION_ARG(a, 0);
GET_INSTRUCTION_ARG(b, 1);
GET_INSTRUCTION_ARG(dst, 2);
#ifdef DEBUG_ENABLED
if (b->get_type() != Variant::OBJECT || b->operator Object *() == nullptr) {
err_text = "Right operand of 'is' is not a class.";
OPCODE_BREAK;
}
#endif
bool extends_ok = false;
if (a->get_type() == Variant::OBJECT && a->operator Object *() != nullptr) {
#ifdef DEBUG_ENABLED
bool was_freed;
Object *obj_A = a->get_validated_object_with_check(was_freed);
if (was_freed) {
err_text = "Left operand of 'is' is a previously freed instance.";
OPCODE_BREAK;
}
Object *obj_B = b->get_validated_object_with_check(was_freed);
if (was_freed) {
err_text = "Right operand of 'is' is a previously freed instance.";
OPCODE_BREAK;
}
#else
Object *obj_A = *a;
Object *obj_B = *b;
#endif // DEBUG_ENABLED
GDScript *scr_B = Object::cast_to<GDScript>(obj_B);
if (scr_B) {
//if B is a script, the only valid condition is that A has an instance which inherits from the script
//in other situation, this shoul return false.
if (obj_A->get_script_instance() && obj_A->get_script_instance()->get_language() == GDScriptLanguage::get_singleton()) {
GDScript *cmp = static_cast<GDScript *>(obj_A->get_script_instance()->get_script().ptr());
//bool found=false;
while (cmp) {
if (cmp == scr_B) {
//inherits from script, all ok
extends_ok = true;
break;
}
cmp = cmp->_base;
}
}
} else {
GDScriptNativeClass *nc = Object::cast_to<GDScriptNativeClass>(obj_B);
#ifdef DEBUG_ENABLED
if (!nc) {
err_text = "Right operand of 'is' is not a class (type: '" + obj_B->get_class() + "').";
OPCODE_BREAK;
}
#endif
extends_ok = ClassDB::is_parent_class(obj_A->get_class_name(), nc->get_name());
}
}
*dst = extends_ok;
ip += 4;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_IS_BUILTIN) {
CHECK_SPACE(4);
GET_INSTRUCTION_ARG(value, 0);
GET_INSTRUCTION_ARG(dst, 1);
Variant::Type var_type = (Variant::Type)_code_ptr[ip + 3];
GD_ERR_BREAK(var_type < 0 || var_type >= Variant::VARIANT_MAX);
*dst = value->get_type() == var_type;
ip += 4;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_SET_KEYED) {
CHECK_SPACE(3);
GET_INSTRUCTION_ARG(dst, 0);
GET_INSTRUCTION_ARG(index, 1);
GET_INSTRUCTION_ARG(value, 2);
bool valid;
dst->set(*index, *value, &valid);
#ifdef DEBUG_ENABLED
if (!valid) {
String v = index->operator String();
if (v != "") {
v = "'" + v + "'";
} else {
v = "of type '" + _get_var_type(index) + "'";
}
err_text = "Invalid set index " + v + " (on base: '" + _get_var_type(dst) + "') with value of type '" + _get_var_type(value) + "'";
OPCODE_BREAK;
}
#endif
ip += 4;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_SET_KEYED_VALIDATED) {
CHECK_SPACE(4);
GET_INSTRUCTION_ARG(dst, 0);
GET_INSTRUCTION_ARG(index, 1);
GET_INSTRUCTION_ARG(value, 2);
int index_setter = _code_ptr[ip + 4];
GD_ERR_BREAK(index_setter < 0 || index_setter >= _keyed_setters_count);
const Variant::ValidatedKeyedSetter setter = _keyed_setters_ptr[index_setter];
bool valid;
setter(dst, index, value, valid);
#ifdef DEBUG_ENABLED
if (!valid) {
String v = index->operator String();
if (v != "") {
v = "'" + v + "'";
} else {
v = "of type '" + _get_var_type(index) + "'";
}
err_text = "Invalid set index " + v + " (on base: '" + _get_var_type(dst) + "') with value of type '" + _get_var_type(value) + "'";
OPCODE_BREAK;
}
#endif
ip += 5;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_SET_INDEXED_VALIDATED) {
CHECK_SPACE(4);
GET_INSTRUCTION_ARG(dst, 0);
GET_INSTRUCTION_ARG(index, 1);
GET_INSTRUCTION_ARG(value, 2);
int index_setter = _code_ptr[ip + 4];
GD_ERR_BREAK(index_setter < 0 || index_setter >= _indexed_setters_count);
const Variant::ValidatedIndexedSetter setter = _indexed_setters_ptr[index_setter];
int64_t int_index = *VariantInternal::get_int(index);
bool oob;
setter(dst, int_index, value, oob);
#ifdef DEBUG_ENABLED
if (oob) {
String v = index->operator String();
if (v != "") {
v = "'" + v + "'";
} else {
v = "of type '" + _get_var_type(index) + "'";
}
err_text = "Out of bounds set index " + v + " (on base: '" + _get_var_type(dst) + "')";
OPCODE_BREAK;
}
#endif
ip += 5;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_GET_KEYED) {
CHECK_SPACE(3);
GET_INSTRUCTION_ARG(src, 0);
GET_INSTRUCTION_ARG(index, 1);
GET_INSTRUCTION_ARG(dst, 2);
bool valid;
#ifdef DEBUG_ENABLED
// Allow better error message in cases where src and dst are the same stack position.
Variant ret = src->get(*index, &valid);
#else
*dst = src->get(*index, &valid);
#endif
#ifdef DEBUG_ENABLED
if (!valid) {
String v = index->operator String();
if (v != "") {
v = "'" + v + "'";
} else {
v = "of type '" + _get_var_type(index) + "'";
}
err_text = "Invalid get index " + v + " (on base: '" + _get_var_type(src) + "').";
OPCODE_BREAK;
}
*dst = ret;
#endif
ip += 4;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_GET_KEYED_VALIDATED) {
CHECK_SPACE(4);
GET_INSTRUCTION_ARG(src, 0);
GET_INSTRUCTION_ARG(key, 1);
GET_INSTRUCTION_ARG(dst, 2);
int index_getter = _code_ptr[ip + 4];
GD_ERR_BREAK(index_getter < 0 || index_getter >= _keyed_getters_count);
const Variant::ValidatedKeyedGetter getter = _keyed_getters_ptr[index_getter];
bool valid;
#ifdef DEBUG_ENABLED
// Allow better error message in cases where src and dst are the same stack position.
Variant ret;
getter(src, key, &ret, valid);
#else
getter(src, key, dst, valid);
#endif
#ifdef DEBUG_ENABLED
if (!valid) {
String v = key->operator String();
if (v != "") {
v = "'" + v + "'";
} else {
v = "of type '" + _get_var_type(key) + "'";
}
err_text = "Invalid get index " + v + " (on base: '" + _get_var_type(src) + "').";
OPCODE_BREAK;
}
*dst = ret;
#endif
ip += 5;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_GET_INDEXED_VALIDATED) {
CHECK_SPACE(4);
GET_INSTRUCTION_ARG(src, 0);
GET_INSTRUCTION_ARG(index, 1);
GET_INSTRUCTION_ARG(dst, 2);
int index_getter = _code_ptr[ip + 4];
GD_ERR_BREAK(index_getter < 0 || index_getter >= _indexed_getters_count);
const Variant::ValidatedIndexedGetter getter = _indexed_getters_ptr[index_getter];
int64_t int_index = *VariantInternal::get_int(index);
bool oob;
getter(src, int_index, dst, oob);
#ifdef DEBUG_ENABLED
if (oob) {
String v = index->operator String();
if (v != "") {
v = "'" + v + "'";
} else {
v = "of type '" + _get_var_type(index) + "'";
}
err_text = "Out of bounds get index " + v + " (on base: '" + _get_var_type(src) + "')";
OPCODE_BREAK;
}
#endif
ip += 5;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_SET_NAMED) {
CHECK_SPACE(3);
GET_INSTRUCTION_ARG(dst, 0);
GET_INSTRUCTION_ARG(value, 1);
int indexname = _code_ptr[ip + 3];
GD_ERR_BREAK(indexname < 0 || indexname >= _global_names_count);
const StringName *index = &_global_names_ptr[indexname];
bool valid;
dst->set_named(*index, *value, valid);
#ifdef DEBUG_ENABLED
if (!valid) {
String err_type;
err_text = "Invalid set index '" + String(*index) + "' (on base: '" + _get_var_type(dst) + "') with value of type '" + _get_var_type(value) + "'.";
OPCODE_BREAK;
}
#endif
ip += 4;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_SET_NAMED_VALIDATED) {
CHECK_SPACE(3);
GET_INSTRUCTION_ARG(dst, 0);
GET_INSTRUCTION_ARG(value, 1);
int index_setter = _code_ptr[ip + 3];
GD_ERR_BREAK(index_setter < 0 || index_setter >= _setters_count);
const Variant::ValidatedSetter setter = _setters_ptr[index_setter];
setter(dst, value);
ip += 4;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_GET_NAMED) {
CHECK_SPACE(4);
GET_INSTRUCTION_ARG(src, 0);
GET_INSTRUCTION_ARG(dst, 1);
int indexname = _code_ptr[ip + 3];
GD_ERR_BREAK(indexname < 0 || indexname >= _global_names_count);
const StringName *index = &_global_names_ptr[indexname];
bool valid;
#ifdef DEBUG_ENABLED
//allow better error message in cases where src and dst are the same stack position
Variant ret = src->get_named(*index, valid);
#else
*dst = src->get_named(*index, valid);
#endif
#ifdef DEBUG_ENABLED
if (!valid) {
if (src->has_method(*index)) {
err_text = "Invalid get index '" + index->operator String() + "' (on base: '" + _get_var_type(src) + "'). Did you mean '." + index->operator String() + "()' or funcref(obj, \"" + index->operator String() + "\") ?";
} else {
err_text = "Invalid get index '" + index->operator String() + "' (on base: '" + _get_var_type(src) + "').";
}
OPCODE_BREAK;
}
*dst = ret;
#endif
ip += 4;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_GET_NAMED_VALIDATED) {
CHECK_SPACE(3);
GET_INSTRUCTION_ARG(src, 0);
GET_INSTRUCTION_ARG(dst, 1);
int index_getter = _code_ptr[ip + 3];
GD_ERR_BREAK(index_getter < 0 || index_getter >= _getters_count);
const Variant::ValidatedGetter getter = _getters_ptr[index_getter];
getter(src, dst);
ip += 4;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_SET_MEMBER) {
CHECK_SPACE(3);
GET_INSTRUCTION_ARG(src, 0);
int indexname = _code_ptr[ip + 2];
GD_ERR_BREAK(indexname < 0 || indexname >= _global_names_count);
const StringName *index = &_global_names_ptr[indexname];
bool valid;
#ifndef DEBUG_ENABLED
ClassDB::set_property(p_instance->owner, *index, *src, &valid);
#else
bool ok = ClassDB::set_property(p_instance->owner, *index, *src, &valid);
if (!ok) {
err_text = "Internal error setting property: " + String(*index);
OPCODE_BREAK;
} else if (!valid) {
err_text = "Error setting property '" + String(*index) + "' with value of type " + Variant::get_type_name(src->get_type()) + ".";
OPCODE_BREAK;
}
#endif
ip += 3;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_GET_MEMBER) {
CHECK_SPACE(3);
GET_INSTRUCTION_ARG(dst, 0);
int indexname = _code_ptr[ip + 2];
GD_ERR_BREAK(indexname < 0 || indexname >= _global_names_count);
const StringName *index = &_global_names_ptr[indexname];
#ifndef DEBUG_ENABLED
ClassDB::get_property(p_instance->owner, *index, *dst);
#else
bool ok = ClassDB::get_property(p_instance->owner, *index, *dst);
if (!ok) {
err_text = "Internal error getting property: " + String(*index);
OPCODE_BREAK;
}
#endif
ip += 3;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_ASSIGN) {
CHECK_SPACE(3);
GET_INSTRUCTION_ARG(dst, 0);
GET_INSTRUCTION_ARG(src, 1);
*dst = *src;
ip += 3;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_ASSIGN_TRUE) {
CHECK_SPACE(2);
GET_INSTRUCTION_ARG(dst, 0);
*dst = true;
ip += 2;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_ASSIGN_FALSE) {
CHECK_SPACE(2);
GET_INSTRUCTION_ARG(dst, 0);
*dst = false;
ip += 2;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_ASSIGN_TYPED_BUILTIN) {
CHECK_SPACE(4);
GET_INSTRUCTION_ARG(dst, 0);
GET_INSTRUCTION_ARG(src, 1);
Variant::Type var_type = (Variant::Type)_code_ptr[ip + 3];
GD_ERR_BREAK(var_type < 0 || var_type >= Variant::VARIANT_MAX);
if (src->get_type() != var_type) {
#ifdef DEBUG_ENABLED
if (Variant::can_convert_strict(src->get_type(), var_type)) {
#endif // DEBUG_ENABLED
Callable::CallError ce;
Variant::construct(var_type, *dst, const_cast<const Variant **>(&src), 1, ce);
} else {
#ifdef DEBUG_ENABLED
err_text = "Trying to assign value of type '" + Variant::get_type_name(src->get_type()) +
"' to a variable of type '" + Variant::get_type_name(var_type) + "'.";
OPCODE_BREAK;
}
} else {
#endif // DEBUG_ENABLED
*dst = *src;
}
ip += 4;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_ASSIGN_TYPED_NATIVE) {
CHECK_SPACE(4);
GET_INSTRUCTION_ARG(dst, 0);
GET_INSTRUCTION_ARG(src, 1);
#ifdef DEBUG_ENABLED
GET_INSTRUCTION_ARG(type, 2);
GDScriptNativeClass *nc = Object::cast_to<GDScriptNativeClass>(type->operator Object *());
GD_ERR_BREAK(!nc);
if (src->get_type() != Variant::OBJECT && src->get_type() != Variant::NIL) {
err_text = "Trying to assign value of type '" + Variant::get_type_name(src->get_type()) +
"' to a variable of type '" + nc->get_name() + "'.";
OPCODE_BREAK;
}
Object *src_obj = src->operator Object *();
if (src_obj && !ClassDB::is_parent_class(src_obj->get_class_name(), nc->get_name())) {
err_text = "Trying to assign value of type '" + src_obj->get_class_name() +
"' to a variable of type '" + nc->get_name() + "'.";
OPCODE_BREAK;
}
#endif // DEBUG_ENABLED
*dst = *src;
ip += 4;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_ASSIGN_TYPED_SCRIPT) {
CHECK_SPACE(4);
GET_INSTRUCTION_ARG(dst, 0);
GET_INSTRUCTION_ARG(src, 1);
#ifdef DEBUG_ENABLED
GET_INSTRUCTION_ARG(type, 2);
Script *base_type = Object::cast_to<Script>(type->operator Object *());
GD_ERR_BREAK(!base_type);
if (src->get_type() != Variant::OBJECT && src->get_type() != Variant::NIL) {
err_text = "Trying to assign a non-object value to a variable of type '" + base_type->get_path().get_file() + "'.";
OPCODE_BREAK;
}
if (src->get_type() != Variant::NIL && src->operator Object *() != nullptr) {
ScriptInstance *scr_inst = src->operator Object *()->get_script_instance();
if (!scr_inst) {
err_text = "Trying to assign value of type '" + src->operator Object *()->get_class_name() +
"' to a variable of type '" + base_type->get_path().get_file() + "'.";
OPCODE_BREAK;
}
Script *src_type = src->operator Object *()->get_script_instance()->get_script().ptr();
bool valid = false;
while (src_type) {
if (src_type == base_type) {
valid = true;
break;
}
src_type = src_type->get_base_script().ptr();
}
if (!valid) {
err_text = "Trying to assign value of type '" + src->operator Object *()->get_script_instance()->get_script()->get_path().get_file() +
"' to a variable of type '" + base_type->get_path().get_file() + "'.";
OPCODE_BREAK;
}
}
#endif // DEBUG_ENABLED
*dst = *src;
ip += 4;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_CAST_TO_BUILTIN) {
CHECK_SPACE(4);
GET_INSTRUCTION_ARG(src, 0);
GET_INSTRUCTION_ARG(dst, 1);
Variant::Type to_type = (Variant::Type)_code_ptr[ip + 3];
GD_ERR_BREAK(to_type < 0 || to_type >= Variant::VARIANT_MAX);
Callable::CallError err;
Variant::construct(to_type, *dst, (const Variant **)&src, 1, err);
#ifdef DEBUG_ENABLED
if (err.error != Callable::CallError::CALL_OK) {
err_text = "Invalid cast: could not convert value to '" + Variant::get_type_name(to_type) + "'.";
OPCODE_BREAK;
}
#endif
ip += 4;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_CAST_TO_NATIVE) {
CHECK_SPACE(4);
GET_INSTRUCTION_ARG(src, 0);
GET_INSTRUCTION_ARG(dst, 1);
GET_INSTRUCTION_ARG(to_type, 2);
GDScriptNativeClass *nc = Object::cast_to<GDScriptNativeClass>(to_type->operator Object *());
GD_ERR_BREAK(!nc);
#ifdef DEBUG_ENABLED
if (src->get_type() != Variant::OBJECT && src->get_type() != Variant::NIL) {
err_text = "Invalid cast: can't convert a non-object value to an object type.";
OPCODE_BREAK;
}
#endif
Object *src_obj = src->operator Object *();
if (src_obj && !ClassDB::is_parent_class(src_obj->get_class_name(), nc->get_name())) {
*dst = Variant(); // invalid cast, assign NULL
} else {
*dst = *src;
}
ip += 4;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_CAST_TO_SCRIPT) {
CHECK_SPACE(4);
GET_INSTRUCTION_ARG(src, 0);
GET_INSTRUCTION_ARG(dst, 1);
GET_INSTRUCTION_ARG(to_type, 2);
Script *base_type = Object::cast_to<Script>(to_type->operator Object *());
GD_ERR_BREAK(!base_type);
#ifdef DEBUG_ENABLED
if (src->get_type() != Variant::OBJECT && src->get_type() != Variant::NIL) {
err_text = "Trying to assign a non-object value to a variable of type '" + base_type->get_path().get_file() + "'.";
OPCODE_BREAK;
}
#endif
bool valid = false;
if (src->get_type() != Variant::NIL && src->operator Object *() != nullptr) {
ScriptInstance *scr_inst = src->operator Object *()->get_script_instance();
if (scr_inst) {
Script *src_type = src->operator Object *()->get_script_instance()->get_script().ptr();
while (src_type) {
if (src_type == base_type) {
valid = true;
break;
}
src_type = src_type->get_base_script().ptr();
}
}
}
if (valid) {
*dst = *src; // Valid cast, copy the source object
} else {
*dst = Variant(); // invalid cast, assign NULL
}
ip += 4;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_CONSTRUCT) {
CHECK_SPACE(2 + instr_arg_count);
ip += instr_arg_count;
int argc = _code_ptr[ip + 1];
Variant::Type t = Variant::Type(_code_ptr[ip + 2]);
Variant **argptrs = instruction_args;
GET_INSTRUCTION_ARG(dst, argc);
Callable::CallError err;
Variant::construct(t, *dst, (const Variant **)argptrs, argc, err);
#ifdef DEBUG_ENABLED
if (err.error != Callable::CallError::CALL_OK) {
err_text = _get_call_error(err, "'" + Variant::get_type_name(t) + "' constructor", (const Variant **)argptrs);
OPCODE_BREAK;
}
#endif
ip += 3;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_CONSTRUCT_ARRAY) {
CHECK_SPACE(1 + instr_arg_count);
ip += instr_arg_count;
int argc = _code_ptr[ip + 1];
Array array;
array.resize(argc);
for (int i = 0; i < argc; i++) {
array[i] = *(instruction_args[i]);
}
GET_INSTRUCTION_ARG(dst, argc);
*dst = array;
ip += 2;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_CONSTRUCT_DICTIONARY) {
CHECK_SPACE(2 + instr_arg_count);
ip += instr_arg_count;
int argc = _code_ptr[ip + 1];
Dictionary dict;
for (int i = 0; i < argc; i++) {
GET_INSTRUCTION_ARG(k, i * 2 + 0);
GET_INSTRUCTION_ARG(v, i * 2 + 1);
dict[*k] = *v;
}
GET_INSTRUCTION_ARG(dst, argc * 2);
*dst = dict;
ip += 2;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_CALL_ASYNC)
OPCODE(OPCODE_CALL_RETURN)
OPCODE(OPCODE_CALL) {
CHECK_SPACE(3 + instr_arg_count);
bool call_ret = (_code_ptr[ip] & INSTR_MASK) != OPCODE_CALL;
#ifdef DEBUG_ENABLED
bool call_async = (_code_ptr[ip] & INSTR_MASK) == OPCODE_CALL_ASYNC;
#endif
ip += instr_arg_count;
int argc = _code_ptr[ip + 1];
GD_ERR_BREAK(argc < 0);
int methodname_idx = _code_ptr[ip + 2];
GD_ERR_BREAK(methodname_idx < 0 || methodname_idx >= _global_names_count);
const StringName *methodname = &_global_names_ptr[methodname_idx];
GET_INSTRUCTION_ARG(base, argc);
Variant **argptrs = instruction_args;
#ifdef DEBUG_ENABLED
uint64_t call_time = 0;
if (GDScriptLanguage::get_singleton()->profiling) {
call_time = OS::get_singleton()->get_ticks_usec();
}
#endif
Callable::CallError err;
if (call_ret) {
GET_INSTRUCTION_ARG(ret, argc + 1);
base->call(*methodname, (const Variant **)argptrs, argc, *ret, err);
#ifdef DEBUG_ENABLED
if (!call_async && ret->get_type() == Variant::OBJECT) {
// Check if getting a function state without await.
bool was_freed = false;
Object *obj = ret->get_validated_object_with_check(was_freed);
if (was_freed) {
err_text = "Got a freed object as a result of the call.";
OPCODE_BREAK;
}
if (obj && obj->is_class_ptr(GDScriptFunctionState::get_class_ptr_static())) {
err_text = R"(Trying to call an async function without "await".)";
OPCODE_BREAK;
}
}
#endif
} else {
Variant ret;
base->call(*methodname, (const Variant **)argptrs, argc, ret, err);
}
#ifdef DEBUG_ENABLED
if (GDScriptLanguage::get_singleton()->profiling) {
function_call_time += OS::get_singleton()->get_ticks_usec() - call_time;
}
if (err.error != Callable::CallError::CALL_OK) {
String methodstr = *methodname;
String basestr = _get_var_type(base);
if (methodstr == "call") {
if (argc >= 1) {
methodstr = String(*argptrs[0]) + " (via call)";
if (err.error == Callable::CallError::CALL_ERROR_INVALID_ARGUMENT) {
err.argument += 1;
}
}
} else if (methodstr == "free") {
if (err.error == Callable::CallError::CALL_ERROR_INVALID_METHOD) {
if (base->is_ref()) {
err_text = "Attempted to free a reference.";
OPCODE_BREAK;
} else if (base->get_type() == Variant::OBJECT) {
err_text = "Attempted to free a locked object (calling or emitting).";
OPCODE_BREAK;
}
}
} else if (methodstr == "call_recursive" && basestr == "TreeItem") {
if (argc >= 1) {
methodstr = String(*argptrs[0]) + " (via TreeItem.call_recursive)";
if (err.error == Callable::CallError::CALL_ERROR_INVALID_ARGUMENT) {
err.argument += 1;
}
}
}
err_text = _get_call_error(err, "function '" + methodstr + "' in base '" + basestr + "'", (const Variant **)argptrs);
OPCODE_BREAK;
}
#endif
ip += 3;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_CALL_METHOD_BIND)
OPCODE(OPCODE_CALL_METHOD_BIND_RET) {
CHECK_SPACE(3 + instr_arg_count);
bool call_ret = (_code_ptr[ip] & INSTR_MASK) == OPCODE_CALL_METHOD_BIND_RET;
ip += instr_arg_count;
int argc = _code_ptr[ip + 1];
GD_ERR_BREAK(argc < 0);
GD_ERR_BREAK(_code_ptr[ip + 2] < 0 || _code_ptr[ip + 2] >= _methods_count);
MethodBind *method = _methods_ptr[_code_ptr[ip + 2]];
GET_INSTRUCTION_ARG(base, argc);
#ifdef DEBUG_ENABLED
bool freed = false;
Object *base_obj = base->get_validated_object_with_check(freed);
if (freed) {
err_text = "Trying to call a function on a previously freed instance.";
OPCODE_BREAK;
} else if (!base_obj) {
err_text = "Trying to call a function on a null value.";
OPCODE_BREAK;
}
#else
Object *base_obj = base->operator Object *();
#endif
Variant **argptrs = instruction_args;
#ifdef DEBUG_ENABLED
uint64_t call_time = 0;
if (GDScriptLanguage::get_singleton()->profiling) {
call_time = OS::get_singleton()->get_ticks_usec();
}
#endif
Callable::CallError err;
if (call_ret) {
GET_INSTRUCTION_ARG(ret, argc + 1);
*ret = method->call(base_obj, (const Variant **)argptrs, argc, err);
} else {
method->call(base_obj, (const Variant **)argptrs, argc, err);
}
#ifdef DEBUG_ENABLED
if (GDScriptLanguage::get_singleton()->profiling) {
function_call_time += OS::get_singleton()->get_ticks_usec() - call_time;
}
if (err.error != Callable::CallError::CALL_OK) {
String methodstr = method->get_name();
String basestr = _get_var_type(base);
if (methodstr == "call") {
if (argc >= 1) {
methodstr = String(*argptrs[0]) + " (via call)";
if (err.error == Callable::CallError::CALL_ERROR_INVALID_ARGUMENT) {
err.argument += 1;
}
}
} else if (methodstr == "free") {
if (err.error == Callable::CallError::CALL_ERROR_INVALID_METHOD) {
if (base->is_ref()) {
err_text = "Attempted to free a reference.";
OPCODE_BREAK;
} else if (base->get_type() == Variant::OBJECT) {
err_text = "Attempted to free a locked object (calling or emitting).";
OPCODE_BREAK;
}
}
}
err_text = _get_call_error(err, "function '" + methodstr + "' in base '" + basestr + "'", (const Variant **)argptrs);
OPCODE_BREAK;
}
#endif
ip += 3;
}
DISPATCH_OPCODE;
#ifdef DEBUG_ENABLED
#define OPCODE_CALL_PTR(m_type) \
OPCODE(OPCODE_CALL_PTRCALL_##m_type) { \
CHECK_SPACE(3 + instr_arg_count); \
ip += instr_arg_count; \
int argc = _code_ptr[ip + 1]; \
GD_ERR_BREAK(argc < 0); \
GET_INSTRUCTION_ARG(base, argc); \
GD_ERR_BREAK(_code_ptr[ip + 2] < 0 || _code_ptr[ip + 2] >= _methods_count); \
MethodBind *method = _methods_ptr[_code_ptr[ip + 2]]; \
bool freed = false; \
Object *base_obj = base->get_validated_object_with_check(freed); \
if (freed) { \
err_text = "Trying to call a function on a previously freed instance."; \
OPCODE_BREAK; \
} else if (!base_obj) { \
err_text = "Trying to call a function on a null value."; \
OPCODE_BREAK; \
} \
const void **argptrs = call_args_ptr; \
for (int i = 0; i < argc; i++) { \
GET_INSTRUCTION_ARG(v, i); \
argptrs[i] = VariantInternal::get_opaque_pointer((const Variant *)v); \
} \
uint64_t call_time = 0; \
if (GDScriptLanguage::get_singleton()->profiling) { \
call_time = OS::get_singleton()->get_ticks_usec(); \
} \
GET_INSTRUCTION_ARG(ret, argc + 1); \
VariantInternal::initialize(ret, Variant::m_type); \
void *ret_opaque = VariantInternal::OP_GET_##m_type(ret); \
method->ptrcall(base_obj, argptrs, ret_opaque); \
if (GDScriptLanguage::get_singleton()->profiling) { \
function_call_time += OS::get_singleton()->get_ticks_usec() - call_time; \
} \
ip += 3; \
} \
DISPATCH_OPCODE
#else
#define OPCODE_CALL_PTR(m_type) \
OPCODE(OPCODE_CALL_PTRCALL_##m_type) { \
CHECK_SPACE(3 + instr_arg_count); \
int argc = _code_ptr[ip + 1]; \
GET_INSTRUCTION_ARG(base, argc); \
MethodBind *method = _methods_ptr[_code_ptr[ip + 2]]; \
Object *base_obj = *VariantInternal::get_object(base); \
const void **argptrs = call_args_ptr; \
for (int i = 0; i < argc; i++) { \
GET_INSTRUCTION_ARG(v, i); \
argptrs[i] = VariantInternal::get_opaque_pointer((const Variant *)v); \
} \
GET_INSTRUCTION_ARG(ret, argc + 1); \
VariantInternal::initialize(ret, Variant::m_type); \
void *ret_opaque = VariantInternal::OP_GET_##m_type(ret); \
method->ptrcall(base_obj, argptrs, ret_opaque); \
ip += 3; \
} \
DISPATCH_OPCODE
#endif
OPCODE_CALL_PTR(BOOL);
OPCODE_CALL_PTR(INT);
OPCODE_CALL_PTR(FLOAT);
OPCODE_CALL_PTR(STRING);
OPCODE_CALL_PTR(VECTOR2);
OPCODE_CALL_PTR(VECTOR2I);
OPCODE_CALL_PTR(RECT2);
OPCODE_CALL_PTR(RECT2I);
OPCODE_CALL_PTR(VECTOR3);
OPCODE_CALL_PTR(VECTOR3I);
OPCODE_CALL_PTR(TRANSFORM2D);
OPCODE_CALL_PTR(PLANE);
OPCODE_CALL_PTR(QUAT);
OPCODE_CALL_PTR(AABB);
OPCODE_CALL_PTR(BASIS);
OPCODE_CALL_PTR(TRANSFORM);
OPCODE_CALL_PTR(COLOR);
OPCODE_CALL_PTR(STRING_NAME);
OPCODE_CALL_PTR(NODE_PATH);
OPCODE_CALL_PTR(RID);
OPCODE_CALL_PTR(CALLABLE);
OPCODE_CALL_PTR(SIGNAL);
OPCODE_CALL_PTR(DICTIONARY);
OPCODE_CALL_PTR(ARRAY);
OPCODE_CALL_PTR(PACKED_BYTE_ARRAY);
OPCODE_CALL_PTR(PACKED_INT32_ARRAY);
OPCODE_CALL_PTR(PACKED_INT64_ARRAY);
OPCODE_CALL_PTR(PACKED_FLOAT32_ARRAY);
OPCODE_CALL_PTR(PACKED_FLOAT64_ARRAY);
OPCODE_CALL_PTR(PACKED_STRING_ARRAY);
OPCODE_CALL_PTR(PACKED_VECTOR2_ARRAY);
OPCODE_CALL_PTR(PACKED_VECTOR3_ARRAY);
OPCODE_CALL_PTR(PACKED_COLOR_ARRAY);
OPCODE(OPCODE_CALL_PTRCALL_OBJECT) {
CHECK_SPACE(3 + instr_arg_count);
ip += instr_arg_count;
int argc = _code_ptr[ip + 1];
GD_ERR_BREAK(argc < 0);
GD_ERR_BREAK(_code_ptr[ip + 2] < 0 || _code_ptr[ip + 2] >= _methods_count);
MethodBind *method = _methods_ptr[_code_ptr[ip + 2]];
GET_INSTRUCTION_ARG(base, argc);
#ifdef DEBUG_ENABLED
bool freed = false;
Object *base_obj = base->get_validated_object_with_check(freed);
if (freed) {
err_text = "Trying to call a function on a previously freed instance.";
OPCODE_BREAK;
} else if (!base_obj) {
err_text = "Trying to call a function on a null value.";
OPCODE_BREAK;
}
#else
Object *base_obj = *VariantInternal::get_object(base);
#endif
const void **argptrs = call_args_ptr;
for (int i = 0; i < argc; i++) {
GET_INSTRUCTION_ARG(v, i);
argptrs[i] = VariantInternal::get_opaque_pointer((const Variant *)v);
}
#ifdef DEBUG_ENABLED
uint64_t call_time = 0;
if (GDScriptLanguage::get_singleton()->profiling) {
call_time = OS::get_singleton()->get_ticks_usec();
}
#endif
GET_INSTRUCTION_ARG(ret, argc + 1);
VariantInternal::initialize(ret, Variant::OBJECT);
Object **ret_opaque = VariantInternal::get_object(ret);
method->ptrcall(base_obj, argptrs, ret_opaque);
VariantInternal::set_object(ret, *ret_opaque);
#ifdef DEBUG_ENABLED
if (GDScriptLanguage::get_singleton()->profiling) {
function_call_time += OS::get_singleton()->get_ticks_usec() - call_time;
}
#endif
ip += 3;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_CALL_PTRCALL_NO_RETURN) {
CHECK_SPACE(3 + instr_arg_count);
ip += instr_arg_count;
int argc = _code_ptr[ip + 1];
GD_ERR_BREAK(argc < 0);
GD_ERR_BREAK(_code_ptr[ip + 2] < 0 || _code_ptr[ip + 2] >= _methods_count);
MethodBind *method = _methods_ptr[_code_ptr[ip + 2]];
GET_INSTRUCTION_ARG(base, argc);
#ifdef DEBUG_ENABLED
bool freed = false;
Object *base_obj = base->get_validated_object_with_check(freed);
if (freed) {
err_text = "Trying to call a function on a previously freed instance.";
OPCODE_BREAK;
} else if (!base_obj) {
err_text = "Trying to call a function on a null value.";
OPCODE_BREAK;
}
#else
Object *base_obj = *VariantInternal::get_object(base);
#endif
const void **argptrs = call_args_ptr;
for (int i = 0; i < argc; i++) {
GET_INSTRUCTION_ARG(v, i);
argptrs[i] = VariantInternal::get_opaque_pointer((const Variant *)v);
}
#ifdef DEBUG_ENABLED
uint64_t call_time = 0;
if (GDScriptLanguage::get_singleton()->profiling) {
call_time = OS::get_singleton()->get_ticks_usec();
}
#endif
GET_INSTRUCTION_ARG(ret, argc + 1);
VariantInternal::initialize(ret, Variant::NIL);
method->ptrcall(base_obj, argptrs, nullptr);
#ifdef DEBUG_ENABLED
if (GDScriptLanguage::get_singleton()->profiling) {
function_call_time += OS::get_singleton()->get_ticks_usec() - call_time;
}
#endif
ip += 3;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_CALL_BUILTIN_TYPE_VALIDATED) {
CHECK_SPACE(3 + instr_arg_count);
ip += instr_arg_count;
int argc = _code_ptr[ip + 1];
GD_ERR_BREAK(argc < 0);
GET_INSTRUCTION_ARG(base, argc);
GD_ERR_BREAK(_code_ptr[ip + 2] < 0 || _code_ptr[ip + 2] >= _builtin_methods_count);
Variant::ValidatedBuiltInMethod method = _builtin_methods_ptr[_code_ptr[ip + 2]];
Variant **argptrs = instruction_args;
#ifdef DEBUG_ENABLED
uint64_t call_time = 0;
if (GDScriptLanguage::get_singleton()->profiling) {
call_time = OS::get_singleton()->get_ticks_usec();
}
#endif
GET_INSTRUCTION_ARG(ret, argc + 1);
method(base, (const Variant **)argptrs, argc, ret);
#ifdef DEBUG_ENABLED
if (GDScriptLanguage::get_singleton()->profiling) {
function_call_time += OS::get_singleton()->get_ticks_usec() - call_time;
}
#endif
ip += 3;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_CALL_BUILT_IN) {
CHECK_SPACE(3 + instr_arg_count);
ip += instr_arg_count;
int argc = _code_ptr[ip + 1];
GD_ERR_BREAK(argc < 0);
GDScriptFunctions::Function func = GDScriptFunctions::Function(_code_ptr[ip + 2]);
Variant **argptrs = instruction_args;
GET_INSTRUCTION_ARG(dst, argc);
Callable::CallError err;
GDScriptFunctions::call(func, (const Variant **)argptrs, argc, *dst, err);
#ifdef DEBUG_ENABLED
if (err.error != Callable::CallError::CALL_OK) {
String methodstr = GDScriptFunctions::get_func_name(func);
if (dst->get_type() == Variant::STRING) {
//call provided error string
err_text = "Error calling built-in function '" + methodstr + "': " + String(*dst);
} else {
err_text = _get_call_error(err, "built-in function '" + methodstr + "'", (const Variant **)argptrs);
}
OPCODE_BREAK;
}
#endif
ip += 3;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_CALL_SELF_BASE) {
CHECK_SPACE(3 + instr_arg_count);
ip += instr_arg_count;
int self_fun = _code_ptr[ip + 1];
#ifdef DEBUG_ENABLED
if (self_fun < 0 || self_fun >= _global_names_count) {
err_text = "compiler bug, function name not found";
OPCODE_BREAK;
}
#endif
const StringName *methodname = &_global_names_ptr[self_fun];
int argc = _code_ptr[ip + 2];
GD_ERR_BREAK(argc < 0);
Variant **argptrs = instruction_args;
GET_INSTRUCTION_ARG(dst, argc);
const GDScript *gds = _script;
const Map<StringName, GDScriptFunction *>::Element *E = nullptr;
while (gds->base.ptr()) {
gds = gds->base.ptr();
E = gds->member_functions.find(*methodname);
if (E) {
break;
}
}
Callable::CallError err;
if (E) {
*dst = E->get()->call(p_instance, (const Variant **)argptrs, argc, err);
} else if (gds->native.ptr()) {
if (*methodname != GDScriptLanguage::get_singleton()->strings._init) {
MethodBind *mb = ClassDB::get_method(gds->native->get_name(), *methodname);
if (!mb) {
err.error = Callable::CallError::CALL_ERROR_INVALID_METHOD;
} else {
*dst = mb->call(p_instance->owner, (const Variant **)argptrs, argc, err);
}
} else {
err.error = Callable::CallError::CALL_OK;
}
} else {
if (*methodname != GDScriptLanguage::get_singleton()->strings._init) {
err.error = Callable::CallError::CALL_ERROR_INVALID_METHOD;
} else {
err.error = Callable::CallError::CALL_OK;
}
}
if (err.error != Callable::CallError::CALL_OK) {
String methodstr = *methodname;
err_text = _get_call_error(err, "function '" + methodstr + "'", (const Variant **)argptrs);
OPCODE_BREAK;
}
ip += 3;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_AWAIT) {
CHECK_SPACE(2);
// Do the oneshot connect.
GET_INSTRUCTION_ARG(argobj, 0);
Signal sig;
bool is_signal = true;
{
Variant result = *argobj;
if (argobj->get_type() == Variant::OBJECT) {
bool was_freed = false;
Object *obj = argobj->get_validated_object_with_check(was_freed);
if (was_freed) {
err_text = "Trying to await on a freed object.";
OPCODE_BREAK;
}
// Is this even possible to be null at this point?
if (obj) {
if (obj->is_class_ptr(GDScriptFunctionState::get_class_ptr_static())) {
static StringName completed = _scs_create("completed");
result = Signal(obj, completed);
}
}
}
if (result.get_type() != Variant::SIGNAL) {
ip += 4; // Skip OPCODE_AWAIT_RESUME and its data.
// The stack pointer should be the same, so we don't need to set a return value.
is_signal = false;
} else {
sig = result;
}
}
if (is_signal) {
Ref<GDScriptFunctionState> gdfs = memnew(GDScriptFunctionState);
gdfs->function = this;
gdfs->state.stack.resize(alloca_size);
//copy variant stack
for (int i = 0; i < _stack_size; i++) {
memnew_placement(&gdfs->state.stack.write[sizeof(Variant) * i], Variant(stack[i]));
}
gdfs->state.stack_size = _stack_size;
gdfs->state.self = self;
gdfs->state.alloca_size = alloca_size;
gdfs->state.ip = ip + 2;
gdfs->state.line = line;
gdfs->state.script = _script;
{
MutexLock lock(GDScriptLanguage::get_singleton()->lock);
_script->pending_func_states.add(&gdfs->scripts_list);
if (p_instance) {
gdfs->state.instance = p_instance;
p_instance->pending_func_states.add(&gdfs->instances_list);
} else {
gdfs->state.instance = nullptr;
}
}
#ifdef DEBUG_ENABLED
gdfs->state.function_name = name;
gdfs->state.script_path = _script->get_path();
#endif
gdfs->state.defarg = defarg;
gdfs->function = this;
retvalue = gdfs;
Error err = sig.connect(Callable(gdfs.ptr(), "_signal_callback"), varray(gdfs), Object::CONNECT_ONESHOT);
if (err != OK) {
err_text = "Error connecting to signal: " + sig.get_name() + " during await.";
OPCODE_BREAK;
}
#ifdef DEBUG_ENABLED
exit_ok = true;
awaited = true;
#endif
OPCODE_BREAK;
}
}
DISPATCH_OPCODE; // Needed for synchronous calls (when result is immediately available).
OPCODE(OPCODE_AWAIT_RESUME) {
CHECK_SPACE(2);
#ifdef DEBUG_ENABLED
if (!p_state) {
err_text = ("Invalid Resume (bug?)");
OPCODE_BREAK;
}
#endif
GET_INSTRUCTION_ARG(result, 0);
*result = p_state->result;
ip += 2;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_JUMP) {
CHECK_SPACE(2);
int to = _code_ptr[ip + 1];
GD_ERR_BREAK(to < 0 || to > _code_size);
ip = to;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_JUMP_IF) {
CHECK_SPACE(3);
GET_INSTRUCTION_ARG(test, 0);
bool result = test->booleanize();
if (result) {
int to = _code_ptr[ip + 2];
GD_ERR_BREAK(to < 0 || to > _code_size);
ip = to;
} else {
ip += 3;
}
}
DISPATCH_OPCODE;
OPCODE(OPCODE_JUMP_IF_NOT) {
CHECK_SPACE(3);
GET_INSTRUCTION_ARG(test, 0);
bool result = test->booleanize();
if (!result) {
int to = _code_ptr[ip + 2];
GD_ERR_BREAK(to < 0 || to > _code_size);
ip = to;
} else {
ip += 3;
}
}
DISPATCH_OPCODE;
OPCODE(OPCODE_JUMP_TO_DEF_ARGUMENT) {
CHECK_SPACE(2);
ip = _default_arg_ptr[defarg];
}
DISPATCH_OPCODE;
OPCODE(OPCODE_RETURN) {
CHECK_SPACE(2);
GET_INSTRUCTION_ARG(r, 0);
retvalue = *r;
#ifdef DEBUG_ENABLED
exit_ok = true;
#endif
OPCODE_BREAK;
}
OPCODE(OPCODE_ITERATE_BEGIN) {
CHECK_SPACE(8); // Space for this and a regular iterate.
GET_INSTRUCTION_ARG(counter, 0);
GET_INSTRUCTION_ARG(container, 1);
bool valid;
if (!container->iter_init(*counter, valid)) {
#ifdef DEBUG_ENABLED
if (!valid) {
err_text = "Unable to iterate on object of type '" + Variant::get_type_name(container->get_type()) + "'.";
OPCODE_BREAK;
}
#endif
int jumpto = _code_ptr[ip + 4];
GD_ERR_BREAK(jumpto < 0 || jumpto > _code_size);
ip = jumpto;
} else {
GET_INSTRUCTION_ARG(iterator, 2);
*iterator = container->iter_get(*counter, valid);
#ifdef DEBUG_ENABLED
if (!valid) {
err_text = "Unable to obtain iterator object of type '" + Variant::get_type_name(container->get_type()) + "'.";
OPCODE_BREAK;
}
#endif
ip += 5; // Skip regular iterate which is always next.
}
}
DISPATCH_OPCODE;
OPCODE(OPCODE_ITERATE) {
CHECK_SPACE(4);
GET_INSTRUCTION_ARG(counter, 0);
GET_INSTRUCTION_ARG(container, 1);
bool valid;
if (!container->iter_next(*counter, valid)) {
#ifdef DEBUG_ENABLED
if (!valid) {
err_text = "Unable to iterate on object of type '" + Variant::get_type_name(container->get_type()) + "' (type changed since first iteration?).";
OPCODE_BREAK;
}
#endif
int jumpto = _code_ptr[ip + 4];
GD_ERR_BREAK(jumpto < 0 || jumpto > _code_size);
ip = jumpto;
} else {
GET_INSTRUCTION_ARG(iterator, 2);
*iterator = container->iter_get(*counter, valid);
#ifdef DEBUG_ENABLED
if (!valid) {
err_text = "Unable to obtain iterator object of type '" + Variant::get_type_name(container->get_type()) + "' (but was obtained on first iteration?).";
OPCODE_BREAK;
}
#endif
ip += 5; //loop again
}
}
DISPATCH_OPCODE;
OPCODE(OPCODE_ASSERT) {
CHECK_SPACE(3);
#ifdef DEBUG_ENABLED
GET_INSTRUCTION_ARG(test, 0);
bool result = test->booleanize();
if (!result) {
String message_str;
if (_code_ptr[ip + 2] != 0) {
GET_INSTRUCTION_ARG(message, 1);
message_str = *message;
}
if (message_str.empty()) {
err_text = "Assertion failed.";
} else {
err_text = "Assertion failed: " + message_str;
}
OPCODE_BREAK;
}
#endif
ip += 3;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_BREAKPOINT) {
#ifdef DEBUG_ENABLED
if (EngineDebugger::is_active()) {
GDScriptLanguage::get_singleton()->debug_break("Breakpoint Statement", true);
}
#endif
ip += 1;
}
DISPATCH_OPCODE;
OPCODE(OPCODE_LINE) {
CHECK_SPACE(2);
line = _code_ptr[ip + 1];
ip += 2;
if (EngineDebugger::is_active()) {
// line
bool do_break = false;
if (EngineDebugger::get_script_debugger()->get_lines_left() > 0) {
if (EngineDebugger::get_script_debugger()->get_depth() <= 0) {
EngineDebugger::get_script_debugger()->set_lines_left(EngineDebugger::get_script_debugger()->get_lines_left() - 1);
}
if (EngineDebugger::get_script_debugger()->get_lines_left() <= 0) {
do_break = true;
}
}
if (EngineDebugger::get_script_debugger()->is_breakpoint(line, source)) {
do_break = true;
}
if (do_break) {
GDScriptLanguage::get_singleton()->debug_break("Breakpoint", true);
}
EngineDebugger::get_singleton()->line_poll();
}
}
DISPATCH_OPCODE;
OPCODE(OPCODE_END) {
#ifdef DEBUG_ENABLED
exit_ok = true;
#endif
OPCODE_BREAK;
}
#if 0 // Enable for debugging.
default: {
err_text = "Illegal opcode " + itos(_code_ptr[ip]) + " at address " + itos(ip);
OPCODE_BREAK;
}
#endif
}
OPCODES_END
#ifdef DEBUG_ENABLED
if (exit_ok) {
OPCODE_OUT;
}
//error
// function, file, line, error, explanation
String err_file;
if (p_instance && ObjectDB::get_instance(p_instance->owner_id) != nullptr && p_instance->script->is_valid() && p_instance->script->path != "") {
err_file = p_instance->script->path;
} else if (script) {
err_file = script->path;
}
if (err_file == "") {
err_file = "<built-in>";
}
String err_func = name;
if (p_instance && ObjectDB::get_instance(p_instance->owner_id) != nullptr && p_instance->script->is_valid() && p_instance->script->name != "") {
err_func = p_instance->script->name + "." + err_func;
}
int err_line = line;
if (err_text == "") {
err_text = "Internal Script Error! - opcode #" + itos(last_opcode) + " (report please).";
}
if (!GDScriptLanguage::get_singleton()->debug_break(err_text, false)) {
// debugger break did not happen
_err_print_error(err_func.utf8().get_data(), err_file.utf8().get_data(), err_line, err_text.utf8().get_data(), ERR_HANDLER_SCRIPT);
}
#endif
OPCODE_OUT;
}
OPCODES_OUT
#ifdef DEBUG_ENABLED
if (GDScriptLanguage::get_singleton()->profiling) {
uint64_t time_taken = OS::get_singleton()->get_ticks_usec() - function_start_time;
profile.total_time += time_taken;
profile.self_time += time_taken - function_call_time;
profile.frame_total_time += time_taken;
profile.frame_self_time += time_taken - function_call_time;
GDScriptLanguage::get_singleton()->script_frame_time += time_taken - function_call_time;
}
// Check if this is the last time the function is resuming from await
// Will be true if never awaited as well
// When it's the last resume it will postpone the exit from stack,
// so the debugger knows which function triggered the resume of the next function (if any)
if (!p_state || awaited) {
if (EngineDebugger::is_active()) {
GDScriptLanguage::get_singleton()->exit_function();
}
#endif
if (_stack_size) {
//free stack
for (int i = 0; i < _stack_size; i++) {
stack[i].~Variant();
}
}
#ifdef DEBUG_ENABLED
}
#endif
return retvalue;
}
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