Replaces the `extends` keyword with `is` in the context of testing for type compatibility. `extends` is still used for declaring class inheritance. Example: ```gdscript extends Node2D func _input(ev): if ev is InputEventKey: print("yay, key event") ```
1497 lines
37 KiB
C++
1497 lines
37 KiB
C++
/*************************************************************************/
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/* gd_function.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "gd_function.h"
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#include "gd_functions.h"
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#include "gd_script.h"
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#include "os/os.h"
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Variant *GDFunction::_get_variant(int p_address, GDInstance *p_instance, GDScript *p_script, Variant &self, Variant *p_stack, String &r_error) const {
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int address = p_address & ADDR_MASK;
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//sequential table (jump table generated by compiler)
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switch ((p_address & ADDR_TYPE_MASK) >> ADDR_BITS) {
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case ADDR_TYPE_SELF: {
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if (!p_instance) {
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r_error = "Cannot access self without instance.";
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return NULL;
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}
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return &self;
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} break;
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case ADDR_TYPE_CLASS: {
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return &p_script->_static_ref;
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} break;
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case ADDR_TYPE_MEMBER: {
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//member indexing is O(1)
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if (!p_instance) {
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r_error = "Cannot access member without instance.";
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return NULL;
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}
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return &p_instance->members[address];
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} break;
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case ADDR_TYPE_CLASS_CONSTANT: {
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//todo change to index!
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GDScript *o = p_script;
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ERR_FAIL_INDEX_V(address, _global_names_count, NULL);
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const StringName *sn = &_global_names_ptr[address];
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while (o) {
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GDScript *s = o;
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while (s) {
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Map<StringName, Variant>::Element *E = s->constants.find(*sn);
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if (E) {
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return &E->get();
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}
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s = s->_base;
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}
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o = o->_owner;
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}
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ERR_EXPLAIN("GDCompiler bug..");
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ERR_FAIL_V(NULL);
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} break;
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case ADDR_TYPE_LOCAL_CONSTANT: {
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ERR_FAIL_INDEX_V(address, _constant_count, NULL);
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return &_constants_ptr[address];
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} break;
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case ADDR_TYPE_STACK:
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case ADDR_TYPE_STACK_VARIABLE: {
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ERR_FAIL_INDEX_V(address, _stack_size, NULL);
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return &p_stack[address];
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} break;
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case ADDR_TYPE_GLOBAL: {
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ERR_FAIL_INDEX_V(address, GDScriptLanguage::get_singleton()->get_global_array_size(), NULL);
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return &GDScriptLanguage::get_singleton()->get_global_array()[address];
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} break;
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case ADDR_TYPE_NIL: {
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return &nil;
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} break;
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}
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ERR_EXPLAIN("Bad Code! (Addressing Mode)");
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ERR_FAIL_V(NULL);
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return NULL;
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}
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String GDFunction::_get_call_error(const Variant::CallError &p_err, const String &p_where, const Variant **argptrs) const {
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String err_text;
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if (p_err.error == Variant::CallError::CALL_ERROR_INVALID_ARGUMENT) {
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int errorarg = p_err.argument;
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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(p_err.expected) + ".";
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} else if (p_err.error == Variant::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS) {
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err_text = "Invalid call to " + p_where + ". Expected " + itos(p_err.argument) + " arguments.";
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} else if (p_err.error == Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS) {
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err_text = "Invalid call to " + p_where + ". Expected " + itos(p_err.argument) + " arguments.";
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} else if (p_err.error == Variant::CallError::CALL_ERROR_INVALID_METHOD) {
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err_text = "Invalid call. Nonexistent " + p_where + ".";
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} else if (p_err.error == Variant::CallError::CALL_ERROR_INSTANCE_IS_NULL) {
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err_text = "Attempt to call " + p_where + " on a null instance.";
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} else {
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err_text = "Bug, call error: #" + itos(p_err.error);
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}
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return err_text;
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}
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static String _get_var_type(const Variant *p_type) {
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String basestr;
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if (p_type->get_type() == Variant::OBJECT) {
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Object *bobj = *p_type;
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if (!bobj) {
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basestr = "null instance";
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} else {
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#ifdef DEBUG_ENABLED
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if (ObjectDB::instance_validate(bobj)) {
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if (bobj->get_script_instance())
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basestr = bobj->get_class() + " (" + bobj->get_script_instance()->get_script()->get_path().get_file() + ")";
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else
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basestr = bobj->get_class();
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} else {
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basestr = "previously freed instance";
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}
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#else
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basestr = "Object";
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#endif
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}
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} else {
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basestr = Variant::get_type_name(p_type->get_type());
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}
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return basestr;
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}
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Variant GDFunction::call(GDInstance *p_instance, const Variant **p_args, int p_argcount, Variant::CallError &r_err, CallState *p_state) {
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if (!_code_ptr) {
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return Variant();
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}
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r_err.error = Variant::CallError::CALL_OK;
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Variant self;
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Variant retvalue;
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Variant *stack = NULL;
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Variant **call_args;
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int defarg = 0;
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#ifdef DEBUG_ENABLED
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//GDScriptLanguage::get_singleton()->calls++;
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#endif
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uint32_t alloca_size = 0;
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GDScript *_class;
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int ip = 0;
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int line = _initial_line;
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if (p_state) {
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//use existing (supplied) state (yielded)
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stack = (Variant *)p_state->stack.ptr();
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call_args = (Variant **)&p_state->stack.ptr()[sizeof(Variant) * p_state->stack_size]; //ptr() to avoid bounds check
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line = p_state->line;
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ip = p_state->ip;
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alloca_size = p_state->stack.size();
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_class = p_state->_class;
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p_instance = p_state->instance;
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defarg = p_state->defarg;
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self = p_state->self;
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//stack[p_state->result_pos]=p_state->result; //assign stack with result
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} else {
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if (p_argcount != _argument_count) {
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if (p_argcount > _argument_count) {
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r_err.error = Variant::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS;
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r_err.argument = _argument_count;
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return Variant();
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} else if (p_argcount < _argument_count - _default_arg_count) {
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r_err.error = Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
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r_err.argument = _argument_count - _default_arg_count;
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return Variant();
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} else {
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defarg = _argument_count - p_argcount;
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}
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}
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alloca_size = sizeof(Variant *) * _call_size + sizeof(Variant) * _stack_size;
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if (alloca_size) {
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uint8_t *aptr = (uint8_t *)alloca(alloca_size);
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if (_stack_size) {
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stack = (Variant *)aptr;
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for (int i = 0; i < p_argcount; i++)
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memnew_placement(&stack[i], Variant(*p_args[i]));
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for (int i = p_argcount; i < _stack_size; i++)
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memnew_placement(&stack[i], Variant);
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} else {
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stack = NULL;
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}
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if (_call_size) {
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call_args = (Variant **)&aptr[sizeof(Variant) * _stack_size];
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} else {
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call_args = NULL;
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}
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} else {
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stack = NULL;
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call_args = NULL;
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}
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if (p_instance) {
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if (p_instance->base_ref && static_cast<Reference *>(p_instance->owner)->is_referenced()) {
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self = REF(static_cast<Reference *>(p_instance->owner));
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} else {
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self = p_instance->owner;
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}
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_class = p_instance->script.ptr();
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} else {
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_class = _script;
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}
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}
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String err_text;
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#ifdef DEBUG_ENABLED
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if (ScriptDebugger::get_singleton())
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GDScriptLanguage::get_singleton()->enter_function(p_instance, this, stack, &ip, &line);
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#define CHECK_SPACE(m_space) \
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ERR_BREAK((ip + m_space) > _code_size)
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#define GET_VARIANT_PTR(m_v, m_code_ofs) \
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Variant *m_v; \
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m_v = _get_variant(_code_ptr[ip + m_code_ofs], p_instance, _class, self, stack, err_text); \
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if (!m_v) \
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break;
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#else
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#define CHECK_SPACE(m_space)
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#define GET_VARIANT_PTR(m_v, m_code_ofs) \
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Variant *m_v; \
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m_v = _get_variant(_code_ptr[ip + m_code_ofs], p_instance, _class, self, stack, err_text);
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#endif
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#ifdef DEBUG_ENABLED
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uint64_t function_start_time;
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uint64_t function_call_time;
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if (GDScriptLanguage::get_singleton()->profiling) {
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function_start_time = OS::get_singleton()->get_ticks_usec();
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function_call_time = 0;
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profile.call_count++;
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profile.frame_call_count++;
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}
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#endif
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bool exit_ok = false;
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while (ip < _code_size) {
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int last_opcode = _code_ptr[ip];
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switch (_code_ptr[ip]) {
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case OPCODE_OPERATOR: {
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CHECK_SPACE(5);
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bool valid;
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Variant::Operator op = (Variant::Operator)_code_ptr[ip + 1];
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ERR_BREAK(op >= Variant::OP_MAX);
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GET_VARIANT_PTR(a, 2);
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GET_VARIANT_PTR(b, 3);
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GET_VARIANT_PTR(dst, 4);
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#ifdef DEBUG_ENABLED
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Variant ret;
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Variant::evaluate(op, *a, *b, ret, valid);
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#else
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Variant::evaluate(op, *a, *b, *dst, valid);
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#endif
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if (!valid) {
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#ifdef DEBUG_ENABLED
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if (ret.get_type() == Variant::STRING) {
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//return a string when invalid with the error
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err_text = ret;
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err_text += " in operator '" + Variant::get_operator_name(op) + "'.";
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} else {
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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) + "'.";
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}
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#endif
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break;
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}
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#ifdef DEBUG_ENABLED
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*dst = ret;
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#endif
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ip += 5;
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continue;
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}
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case OPCODE_EXTENDS_TEST: {
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CHECK_SPACE(4);
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GET_VARIANT_PTR(a, 1);
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GET_VARIANT_PTR(b, 2);
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GET_VARIANT_PTR(dst, 3);
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#ifdef DEBUG_ENABLED
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if (a->get_type() != Variant::OBJECT || a->operator Object *() == NULL) {
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err_text = "Left operand of 'is' is not an instance of anything.";
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break;
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}
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if (b->get_type() != Variant::OBJECT || b->operator Object *() == NULL) {
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err_text = "Right operand of 'is' is not a class.";
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break;
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}
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#endif
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Object *obj_A = *a;
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Object *obj_B = *b;
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GDScript *scr_B = obj_B->cast_to<GDScript>();
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bool extends_ok = false;
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if (scr_B) {
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//if B is a script, the only valid condition is that A has an instance which inherits from the script
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//in other situation, this shoul return false.
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if (obj_A->get_script_instance() && obj_A->get_script_instance()->get_language() == GDScriptLanguage::get_singleton()) {
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GDScript *cmp = static_cast<GDScript *>(obj_A->get_script_instance()->get_script().ptr());
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//bool found=false;
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while (cmp) {
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if (cmp == scr_B) {
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//inherits from script, all ok
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extends_ok = true;
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break;
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}
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cmp = cmp->_base;
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}
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}
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} else {
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GDNativeClass *nc = obj_B->cast_to<GDNativeClass>();
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if (!nc) {
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err_text = "Right operand of 'is' is not a class (type: '" + obj_B->get_class() + "').";
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break;
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}
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extends_ok = ClassDB::is_parent_class(obj_A->get_class_name(), nc->get_name());
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}
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*dst = extends_ok;
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ip += 4;
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continue;
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}
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case OPCODE_SET: {
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CHECK_SPACE(3);
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GET_VARIANT_PTR(dst, 1);
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GET_VARIANT_PTR(index, 2);
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GET_VARIANT_PTR(value, 3);
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bool valid;
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dst->set(*index, *value, &valid);
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if (!valid) {
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String v = index->operator String();
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if (v != "") {
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v = "'" + v + "'";
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} else {
|
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v = "of type '" + _get_var_type(index) + "'";
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}
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err_text = "Invalid set index " + v + " (on base: '" + _get_var_type(dst) + "').";
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break;
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}
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ip += 4;
|
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continue;
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}
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case OPCODE_GET: {
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CHECK_SPACE(3);
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GET_VARIANT_PTR(src, 1);
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GET_VARIANT_PTR(index, 2);
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GET_VARIANT_PTR(dst, 3);
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bool valid;
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#ifdef DEBUG_ENABLED
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//allow better error message in cases where src and dst are the same stack position
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Variant ret = src->get(*index, &valid);
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#else
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*dst = src->get(*index, &valid);
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#endif
|
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if (!valid) {
|
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String v = index->operator String();
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if (v != "") {
|
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v = "'" + v + "'";
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|
} else {
|
|
v = "of type '" + _get_var_type(index) + "'";
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|
}
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err_text = "Invalid get index " + v + " (on base: '" + _get_var_type(src) + "').";
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|
break;
|
|
}
|
|
#ifdef DEBUG_ENABLED
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|
*dst = ret;
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|
#endif
|
|
ip += 4;
|
|
continue;
|
|
}
|
|
case OPCODE_SET_NAMED: {
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|
CHECK_SPACE(3);
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|
GET_VARIANT_PTR(dst, 1);
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|
GET_VARIANT_PTR(value, 3);
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|
int indexname = _code_ptr[ip + 2];
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|
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|
ERR_BREAK(indexname < 0 || indexname >= _global_names_count);
|
|
const StringName *index = &_global_names_ptr[indexname];
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|
bool valid;
|
|
dst->set_named(*index, *value, &valid);
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|
|
if (!valid) {
|
|
String err_type;
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err_text = "Invalid set index '" + String(*index) + "' (on base: '" + _get_var_type(dst) + "').";
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break;
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|
}
|
|
|
|
ip += 4;
|
|
continue;
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|
}
|
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case OPCODE_GET_NAMED: {
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|
CHECK_SPACE(4);
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GET_VARIANT_PTR(src, 1);
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GET_VARIANT_PTR(dst, 3);
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int indexname = _code_ptr[ip + 2];
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|
ERR_BREAK(indexname < 0 || indexname >= _global_names_count);
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|
const StringName *index = &_global_names_ptr[indexname];
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|
|
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);
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#else
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*dst = src->get_named(*index, &valid);
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#endif
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|
|
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() + "()' ?";
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|
} else {
|
|
err_text = "Invalid get index '" + index->operator String() + "' (on base: '" + _get_var_type(src) + "').";
|
|
}
|
|
break;
|
|
}
|
|
#ifdef DEBUG_ENABLED
|
|
*dst = ret;
|
|
#endif
|
|
ip += 4;
|
|
continue;
|
|
}
|
|
case OPCODE_SET_MEMBER: {
|
|
|
|
CHECK_SPACE(3);
|
|
int indexname = _code_ptr[ip + 1];
|
|
ERR_BREAK(indexname < 0 || indexname >= _global_names_count);
|
|
const StringName *index = &_global_names_ptr[indexname];
|
|
GET_VARIANT_PTR(src, 2);
|
|
|
|
bool valid;
|
|
bool ok = ClassDB::set_property(p_instance->owner, *index, *src, &valid);
|
|
#ifdef DEBUG_ENABLED
|
|
if (!ok) {
|
|
err_text = "Internal error setting property: " + String(*index);
|
|
break;
|
|
} else if (!valid) {
|
|
err_text = "Error setting property '" + String(*index) + "' with value of type " + Variant::get_type_name(src->get_type()) + ".";
|
|
break;
|
|
}
|
|
#endif
|
|
ip += 3;
|
|
continue;
|
|
}
|
|
case OPCODE_GET_MEMBER: {
|
|
|
|
CHECK_SPACE(3);
|
|
int indexname = _code_ptr[ip + 1];
|
|
ERR_BREAK(indexname < 0 || indexname >= _global_names_count);
|
|
const StringName *index = &_global_names_ptr[indexname];
|
|
GET_VARIANT_PTR(dst, 2);
|
|
bool ok = ClassDB::get_property(p_instance->owner, *index, *dst);
|
|
|
|
#ifdef DEBUG_ENABLED
|
|
if (!ok) {
|
|
err_text = "Internal error getting property: " + String(*index);
|
|
break;
|
|
}
|
|
#endif
|
|
ip += 3;
|
|
continue;
|
|
}
|
|
case OPCODE_ASSIGN: {
|
|
|
|
CHECK_SPACE(3);
|
|
GET_VARIANT_PTR(dst, 1);
|
|
GET_VARIANT_PTR(src, 2);
|
|
|
|
*dst = *src;
|
|
|
|
ip += 3;
|
|
continue;
|
|
}
|
|
case OPCODE_ASSIGN_TRUE: {
|
|
|
|
CHECK_SPACE(2);
|
|
GET_VARIANT_PTR(dst, 1);
|
|
|
|
*dst = true;
|
|
|
|
ip += 2;
|
|
continue;
|
|
}
|
|
case OPCODE_ASSIGN_FALSE: {
|
|
|
|
CHECK_SPACE(2);
|
|
GET_VARIANT_PTR(dst, 1);
|
|
|
|
*dst = false;
|
|
|
|
ip += 2;
|
|
continue;
|
|
}
|
|
case OPCODE_CONSTRUCT: {
|
|
|
|
CHECK_SPACE(2);
|
|
Variant::Type t = Variant::Type(_code_ptr[ip + 1]);
|
|
int argc = _code_ptr[ip + 2];
|
|
CHECK_SPACE(argc + 2);
|
|
Variant **argptrs = call_args;
|
|
for (int i = 0; i < argc; i++) {
|
|
GET_VARIANT_PTR(v, 3 + i);
|
|
argptrs[i] = v;
|
|
}
|
|
|
|
GET_VARIANT_PTR(dst, 3 + argc);
|
|
Variant::CallError err;
|
|
*dst = Variant::construct(t, (const Variant **)argptrs, argc, err);
|
|
|
|
if (err.error != Variant::CallError::CALL_OK) {
|
|
|
|
err_text = _get_call_error(err, "'" + Variant::get_type_name(t) + "' constructor", (const Variant **)argptrs);
|
|
break;
|
|
}
|
|
|
|
ip += 4 + argc;
|
|
//construct a basic type
|
|
continue;
|
|
}
|
|
case OPCODE_CONSTRUCT_ARRAY: {
|
|
|
|
CHECK_SPACE(1);
|
|
int argc = _code_ptr[ip + 1];
|
|
Array array; //arrays are always shared
|
|
array.resize(argc);
|
|
CHECK_SPACE(argc + 2);
|
|
|
|
for (int i = 0; i < argc; i++) {
|
|
GET_VARIANT_PTR(v, 2 + i);
|
|
array[i] = *v;
|
|
}
|
|
|
|
GET_VARIANT_PTR(dst, 2 + argc);
|
|
|
|
*dst = array;
|
|
|
|
ip += 3 + argc;
|
|
continue;
|
|
}
|
|
case OPCODE_CONSTRUCT_DICTIONARY: {
|
|
|
|
CHECK_SPACE(1);
|
|
int argc = _code_ptr[ip + 1];
|
|
Dictionary dict; //arrays are always shared
|
|
|
|
CHECK_SPACE(argc * 2 + 2);
|
|
|
|
for (int i = 0; i < argc; i++) {
|
|
|
|
GET_VARIANT_PTR(k, 2 + i * 2 + 0);
|
|
GET_VARIANT_PTR(v, 2 + i * 2 + 1);
|
|
dict[*k] = *v;
|
|
}
|
|
|
|
GET_VARIANT_PTR(dst, 2 + argc * 2);
|
|
|
|
*dst = dict;
|
|
|
|
ip += 3 + argc * 2;
|
|
continue;
|
|
}
|
|
case OPCODE_CALL_RETURN:
|
|
case OPCODE_CALL: {
|
|
|
|
CHECK_SPACE(4);
|
|
bool call_ret = _code_ptr[ip] == OPCODE_CALL_RETURN;
|
|
|
|
int argc = _code_ptr[ip + 1];
|
|
GET_VARIANT_PTR(base, 2);
|
|
int nameg = _code_ptr[ip + 3];
|
|
|
|
ERR_BREAK(nameg < 0 || nameg >= _global_names_count);
|
|
const StringName *methodname = &_global_names_ptr[nameg];
|
|
|
|
ERR_BREAK(argc < 0);
|
|
ip += 4;
|
|
CHECK_SPACE(argc + 1);
|
|
Variant **argptrs = call_args;
|
|
|
|
for (int i = 0; i < argc; i++) {
|
|
GET_VARIANT_PTR(v, i);
|
|
argptrs[i] = v;
|
|
}
|
|
|
|
#ifdef DEBUG_ENABLED
|
|
uint64_t call_time;
|
|
|
|
if (GDScriptLanguage::get_singleton()->profiling) {
|
|
call_time = OS::get_singleton()->get_ticks_usec();
|
|
}
|
|
|
|
#endif
|
|
Variant::CallError err;
|
|
if (call_ret) {
|
|
|
|
GET_VARIANT_PTR(ret, argc);
|
|
base->call_ptr(*methodname, (const Variant **)argptrs, argc, ret, err);
|
|
} else {
|
|
|
|
base->call_ptr(*methodname, (const Variant **)argptrs, argc, NULL, err);
|
|
}
|
|
#ifdef DEBUG_ENABLED
|
|
if (GDScriptLanguage::get_singleton()->profiling) {
|
|
function_call_time += OS::get_singleton()->get_ticks_usec() - call_time;
|
|
}
|
|
#endif
|
|
|
|
if (err.error != Variant::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 == Variant::CallError::CALL_ERROR_INVALID_ARGUMENT) {
|
|
err.argument -= 1;
|
|
}
|
|
}
|
|
} else if (methodstr == "free") {
|
|
|
|
if (err.error == Variant::CallError::CALL_ERROR_INVALID_METHOD) {
|
|
|
|
if (base->is_ref()) {
|
|
err_text = "Attempted to free a reference.";
|
|
break;
|
|
} else if (base->get_type() == Variant::OBJECT) {
|
|
|
|
err_text = "Attempted to free a locked object (calling or emitting).";
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
err_text = _get_call_error(err, "function '" + methodstr + "' in base '" + basestr + "'", (const Variant **)argptrs);
|
|
break;
|
|
}
|
|
|
|
//_call_func(NULL,base,*methodname,ip,argc,p_instance,stack);
|
|
ip += argc + 1;
|
|
continue;
|
|
}
|
|
case OPCODE_CALL_BUILT_IN: {
|
|
|
|
CHECK_SPACE(4);
|
|
|
|
GDFunctions::Function func = GDFunctions::Function(_code_ptr[ip + 1]);
|
|
int argc = _code_ptr[ip + 2];
|
|
ERR_BREAK(argc < 0);
|
|
|
|
ip += 3;
|
|
CHECK_SPACE(argc + 1);
|
|
Variant **argptrs = call_args;
|
|
|
|
for (int i = 0; i < argc; i++) {
|
|
GET_VARIANT_PTR(v, i);
|
|
argptrs[i] = v;
|
|
}
|
|
|
|
GET_VARIANT_PTR(dst, argc);
|
|
|
|
Variant::CallError err;
|
|
|
|
GDFunctions::call(func, (const Variant **)argptrs, argc, *dst, err);
|
|
|
|
if (err.error != Variant::CallError::CALL_OK) {
|
|
|
|
String methodstr = GDFunctions::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);
|
|
}
|
|
break;
|
|
}
|
|
ip += argc + 1;
|
|
continue;
|
|
}
|
|
case OPCODE_CALL_SELF: {
|
|
|
|
break;
|
|
}
|
|
case OPCODE_CALL_SELF_BASE: {
|
|
|
|
CHECK_SPACE(2);
|
|
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";
|
|
break;
|
|
}
|
|
#endif
|
|
const StringName *methodname = &_global_names_ptr[self_fun];
|
|
|
|
int argc = _code_ptr[ip + 2];
|
|
|
|
CHECK_SPACE(2 + argc + 1);
|
|
|
|
Variant **argptrs = call_args;
|
|
|
|
for (int i = 0; i < argc; i++) {
|
|
GET_VARIANT_PTR(v, i + 3);
|
|
argptrs[i] = v;
|
|
}
|
|
|
|
GET_VARIANT_PTR(dst, argc + 3);
|
|
|
|
const GDScript *gds = _script;
|
|
|
|
const Map<StringName, GDFunction *>::Element *E = NULL;
|
|
while (gds->base.ptr()) {
|
|
gds = gds->base.ptr();
|
|
E = gds->member_functions.find(*methodname);
|
|
if (E)
|
|
break;
|
|
}
|
|
|
|
Variant::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 = Variant::CallError::CALL_ERROR_INVALID_METHOD;
|
|
} else {
|
|
*dst = mb->call(p_instance->owner, (const Variant **)argptrs, argc, err);
|
|
}
|
|
} else {
|
|
err.error = Variant::CallError::CALL_OK;
|
|
}
|
|
} else {
|
|
|
|
if (*methodname != GDScriptLanguage::get_singleton()->strings._init) {
|
|
err.error = Variant::CallError::CALL_ERROR_INVALID_METHOD;
|
|
} else {
|
|
err.error = Variant::CallError::CALL_OK;
|
|
}
|
|
}
|
|
|
|
if (err.error != Variant::CallError::CALL_OK) {
|
|
|
|
String methodstr = *methodname;
|
|
err_text = _get_call_error(err, "function '" + methodstr + "'", (const Variant **)argptrs);
|
|
|
|
break;
|
|
}
|
|
|
|
ip += 4 + argc;
|
|
continue;
|
|
}
|
|
case OPCODE_YIELD:
|
|
case OPCODE_YIELD_SIGNAL: {
|
|
|
|
int ipofs = 1;
|
|
if (_code_ptr[ip] == OPCODE_YIELD_SIGNAL) {
|
|
CHECK_SPACE(4);
|
|
ipofs += 2;
|
|
} else {
|
|
CHECK_SPACE(2);
|
|
}
|
|
|
|
Ref<GDFunctionState> gdfs = memnew(GDFunctionState);
|
|
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[sizeof(Variant) * i], Variant(stack[i]));
|
|
}
|
|
gdfs->state.stack_size = _stack_size;
|
|
gdfs->state.self = self;
|
|
gdfs->state.alloca_size = alloca_size;
|
|
gdfs->state._class = _class;
|
|
gdfs->state.ip = ip + ipofs;
|
|
gdfs->state.line = line;
|
|
gdfs->state.instance_id = (p_instance && p_instance->get_owner()) ? p_instance->get_owner()->get_instance_ID() : 0;
|
|
gdfs->state.script_id = _class->get_instance_ID();
|
|
//gdfs->state.result_pos=ip+ipofs-1;
|
|
gdfs->state.defarg = defarg;
|
|
gdfs->state.instance = p_instance;
|
|
gdfs->function = this;
|
|
|
|
retvalue = gdfs;
|
|
|
|
if (_code_ptr[ip] == OPCODE_YIELD_SIGNAL) {
|
|
GET_VARIANT_PTR(argobj, 1);
|
|
GET_VARIANT_PTR(argname, 2);
|
|
//do the oneshot connect
|
|
|
|
if (argobj->get_type() != Variant::OBJECT) {
|
|
err_text = "First argument of yield() not of type object.";
|
|
break;
|
|
}
|
|
if (argname->get_type() != Variant::STRING) {
|
|
err_text = "Second argument of yield() not a string (for signal name).";
|
|
break;
|
|
}
|
|
Object *obj = argobj->operator Object *();
|
|
String signal = argname->operator String();
|
|
#ifdef DEBUG_ENABLED
|
|
|
|
if (!obj) {
|
|
err_text = "First argument of yield() is null.";
|
|
break;
|
|
}
|
|
if (ScriptDebugger::get_singleton()) {
|
|
if (!ObjectDB::instance_validate(obj)) {
|
|
err_text = "First argument of yield() is a previously freed instance.";
|
|
break;
|
|
}
|
|
}
|
|
if (signal.length() == 0) {
|
|
|
|
err_text = "Second argument of yield() is an empty string (for signal name).";
|
|
break;
|
|
}
|
|
|
|
#endif
|
|
Error err = obj->connect(signal, gdfs.ptr(), "_signal_callback", varray(gdfs), Object::CONNECT_ONESHOT);
|
|
if (err != OK) {
|
|
err_text = "Error connecting to signal: " + signal + " during yield().";
|
|
break;
|
|
}
|
|
}
|
|
|
|
exit_ok = true;
|
|
break;
|
|
}
|
|
case OPCODE_YIELD_RESUME: {
|
|
|
|
CHECK_SPACE(2);
|
|
if (!p_state) {
|
|
err_text = ("Invalid Resume (bug?)");
|
|
break;
|
|
}
|
|
GET_VARIANT_PTR(result, 1);
|
|
*result = p_state->result;
|
|
ip += 2;
|
|
continue;
|
|
}
|
|
case OPCODE_JUMP: {
|
|
|
|
CHECK_SPACE(2);
|
|
int to = _code_ptr[ip + 1];
|
|
|
|
ERR_BREAK(to < 0 || to > _code_size);
|
|
ip = to;
|
|
continue;
|
|
}
|
|
case OPCODE_JUMP_IF: {
|
|
|
|
CHECK_SPACE(3);
|
|
|
|
GET_VARIANT_PTR(test, 1);
|
|
|
|
bool valid;
|
|
bool result = test->booleanize(valid);
|
|
#ifdef DEBUG_ENABLED
|
|
if (!valid) {
|
|
|
|
err_text = "cannot evaluate conditional expression of type: " + Variant::get_type_name(test->get_type());
|
|
break;
|
|
}
|
|
#endif
|
|
if (result) {
|
|
int to = _code_ptr[ip + 2];
|
|
ERR_BREAK(to < 0 || to > _code_size);
|
|
ip = to;
|
|
continue;
|
|
}
|
|
ip += 3;
|
|
continue;
|
|
}
|
|
case OPCODE_JUMP_IF_NOT: {
|
|
|
|
CHECK_SPACE(3);
|
|
|
|
GET_VARIANT_PTR(test, 1);
|
|
|
|
bool valid;
|
|
bool result = test->booleanize(valid);
|
|
#ifdef DEBUG_ENABLED
|
|
if (!valid) {
|
|
|
|
err_text = "cannot evaluate conditional expression of type: " + Variant::get_type_name(test->get_type());
|
|
break;
|
|
}
|
|
#endif
|
|
if (!result) {
|
|
int to = _code_ptr[ip + 2];
|
|
ERR_BREAK(to < 0 || to > _code_size);
|
|
ip = to;
|
|
continue;
|
|
}
|
|
ip += 3;
|
|
continue;
|
|
}
|
|
case OPCODE_JUMP_TO_DEF_ARGUMENT: {
|
|
|
|
CHECK_SPACE(2);
|
|
ip = _default_arg_ptr[defarg];
|
|
continue;
|
|
}
|
|
case OPCODE_RETURN: {
|
|
|
|
CHECK_SPACE(2);
|
|
GET_VARIANT_PTR(r, 1);
|
|
retvalue = *r;
|
|
exit_ok = true;
|
|
break;
|
|
}
|
|
case OPCODE_ITERATE_BEGIN: {
|
|
|
|
CHECK_SPACE(8); //space for this an regular iterate
|
|
|
|
GET_VARIANT_PTR(counter, 1);
|
|
GET_VARIANT_PTR(container, 2);
|
|
|
|
bool valid;
|
|
if (!container->iter_init(*counter, valid)) {
|
|
if (!valid) {
|
|
err_text = "Unable to iterate on object of type " + Variant::get_type_name(container->get_type()) + "'.";
|
|
break;
|
|
}
|
|
int jumpto = _code_ptr[ip + 3];
|
|
ERR_BREAK(jumpto < 0 || jumpto > _code_size);
|
|
ip = jumpto;
|
|
continue;
|
|
}
|
|
GET_VARIANT_PTR(iterator, 4);
|
|
|
|
*iterator = container->iter_get(*counter, valid);
|
|
if (!valid) {
|
|
err_text = "Unable to obtain iterator object of type " + Variant::get_type_name(container->get_type()) + "'.";
|
|
break;
|
|
}
|
|
|
|
ip += 5; //skip regular iterate which is always next
|
|
continue;
|
|
}
|
|
case OPCODE_ITERATE: {
|
|
|
|
CHECK_SPACE(4);
|
|
|
|
GET_VARIANT_PTR(counter, 1);
|
|
GET_VARIANT_PTR(container, 2);
|
|
|
|
bool valid;
|
|
if (!container->iter_next(*counter, valid)) {
|
|
if (!valid) {
|
|
err_text = "Unable to iterate on object of type " + Variant::get_type_name(container->get_type()) + "' (type changed since first iteration?).";
|
|
break;
|
|
}
|
|
int jumpto = _code_ptr[ip + 3];
|
|
ERR_BREAK(jumpto < 0 || jumpto > _code_size);
|
|
ip = jumpto;
|
|
continue;
|
|
}
|
|
GET_VARIANT_PTR(iterator, 4);
|
|
|
|
*iterator = container->iter_get(*counter, valid);
|
|
if (!valid) {
|
|
err_text = "Unable to obtain iterator object of type " + Variant::get_type_name(container->get_type()) + "' (but was obtained on first iteration?).";
|
|
break;
|
|
}
|
|
|
|
ip += 5; //loop again
|
|
continue;
|
|
}
|
|
case OPCODE_ASSERT: {
|
|
CHECK_SPACE(2);
|
|
GET_VARIANT_PTR(test, 1);
|
|
|
|
#ifdef DEBUG_ENABLED
|
|
bool valid;
|
|
bool result = test->booleanize(valid);
|
|
|
|
if (!valid) {
|
|
|
|
err_text = "cannot evaluate conditional expression of type: " + Variant::get_type_name(test->get_type());
|
|
break;
|
|
}
|
|
|
|
if (!result) {
|
|
|
|
err_text = "Assertion failed.";
|
|
break;
|
|
}
|
|
|
|
#endif
|
|
|
|
ip += 2;
|
|
continue;
|
|
}
|
|
case OPCODE_BREAKPOINT: {
|
|
#ifdef DEBUG_ENABLED
|
|
if (ScriptDebugger::get_singleton()) {
|
|
GDScriptLanguage::get_singleton()->debug_break("Breakpoint Statement", true);
|
|
}
|
|
#endif
|
|
ip += 1;
|
|
continue;
|
|
}
|
|
case OPCODE_LINE: {
|
|
CHECK_SPACE(2);
|
|
|
|
line = _code_ptr[ip + 1];
|
|
ip += 2;
|
|
|
|
if (ScriptDebugger::get_singleton()) {
|
|
// line
|
|
bool do_break = false;
|
|
|
|
if (ScriptDebugger::get_singleton()->get_lines_left() > 0) {
|
|
|
|
if (ScriptDebugger::get_singleton()->get_depth() <= 0)
|
|
ScriptDebugger::get_singleton()->set_lines_left(ScriptDebugger::get_singleton()->get_lines_left() - 1);
|
|
if (ScriptDebugger::get_singleton()->get_lines_left() <= 0)
|
|
do_break = true;
|
|
}
|
|
|
|
if (ScriptDebugger::get_singleton()->is_breakpoint(line, source))
|
|
do_break = true;
|
|
|
|
if (do_break) {
|
|
GDScriptLanguage::get_singleton()->debug_break("Breakpoint", true);
|
|
}
|
|
|
|
ScriptDebugger::get_singleton()->line_poll();
|
|
}
|
|
continue;
|
|
}
|
|
case OPCODE_END: {
|
|
|
|
exit_ok = true;
|
|
break;
|
|
}
|
|
default: {
|
|
|
|
err_text = "Illegal opcode " + itos(_code_ptr[ip]) + " at address " + itos(ip);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (exit_ok)
|
|
break;
|
|
//error
|
|
// function, file, line, error, explanation
|
|
String err_file;
|
|
if (p_instance)
|
|
err_file = p_instance->script->path;
|
|
else if (_class)
|
|
err_file = _class->path;
|
|
if (err_file == "")
|
|
err_file = "<built-in>";
|
|
String err_func = name;
|
|
if (p_instance && 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);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
#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;
|
|
}
|
|
|
|
#endif
|
|
if (ScriptDebugger::get_singleton())
|
|
GDScriptLanguage::get_singleton()->exit_function();
|
|
|
|
if (_stack_size) {
|
|
//free stack
|
|
for (int i = 0; i < _stack_size; i++)
|
|
stack[i].~Variant();
|
|
}
|
|
|
|
return retvalue;
|
|
}
|
|
|
|
const int *GDFunction::get_code() const {
|
|
|
|
return _code_ptr;
|
|
}
|
|
int GDFunction::get_code_size() const {
|
|
|
|
return _code_size;
|
|
}
|
|
|
|
Variant GDFunction::get_constant(int p_idx) const {
|
|
|
|
ERR_FAIL_INDEX_V(p_idx, constants.size(), "<errconst>");
|
|
return constants[p_idx];
|
|
}
|
|
|
|
StringName GDFunction::get_global_name(int p_idx) const {
|
|
|
|
ERR_FAIL_INDEX_V(p_idx, global_names.size(), "<errgname>");
|
|
return global_names[p_idx];
|
|
}
|
|
|
|
int GDFunction::get_default_argument_count() const {
|
|
|
|
return default_arguments.size();
|
|
}
|
|
int GDFunction::get_default_argument_addr(int p_arg) const {
|
|
|
|
ERR_FAIL_INDEX_V(p_arg, default_arguments.size(), -1);
|
|
return default_arguments[p_arg];
|
|
}
|
|
|
|
StringName GDFunction::get_name() const {
|
|
|
|
return name;
|
|
}
|
|
|
|
int GDFunction::get_max_stack_size() const {
|
|
|
|
return _stack_size;
|
|
}
|
|
|
|
struct _GDFKC {
|
|
|
|
int order;
|
|
List<int> pos;
|
|
};
|
|
|
|
struct _GDFKCS {
|
|
|
|
int order;
|
|
StringName id;
|
|
int pos;
|
|
|
|
bool operator<(const _GDFKCS &p_r) const {
|
|
|
|
return order < p_r.order;
|
|
}
|
|
};
|
|
|
|
void GDFunction::debug_get_stack_member_state(int p_line, List<Pair<StringName, int> > *r_stackvars) const {
|
|
|
|
int oc = 0;
|
|
Map<StringName, _GDFKC> sdmap;
|
|
for (const List<StackDebug>::Element *E = stack_debug.front(); E; E = E->next()) {
|
|
|
|
const StackDebug &sd = E->get();
|
|
if (sd.line > p_line)
|
|
break;
|
|
|
|
if (sd.added) {
|
|
|
|
if (!sdmap.has(sd.identifier)) {
|
|
_GDFKC d;
|
|
d.order = oc++;
|
|
d.pos.push_back(sd.pos);
|
|
sdmap[sd.identifier] = d;
|
|
|
|
} else {
|
|
sdmap[sd.identifier].pos.push_back(sd.pos);
|
|
}
|
|
} else {
|
|
|
|
ERR_CONTINUE(!sdmap.has(sd.identifier));
|
|
|
|
sdmap[sd.identifier].pos.pop_back();
|
|
if (sdmap[sd.identifier].pos.empty())
|
|
sdmap.erase(sd.identifier);
|
|
}
|
|
}
|
|
|
|
List<_GDFKCS> stackpositions;
|
|
for (Map<StringName, _GDFKC>::Element *E = sdmap.front(); E; E = E->next()) {
|
|
|
|
_GDFKCS spp;
|
|
spp.id = E->key();
|
|
spp.order = E->get().order;
|
|
spp.pos = E->get().pos.back()->get();
|
|
stackpositions.push_back(spp);
|
|
}
|
|
|
|
stackpositions.sort();
|
|
|
|
for (List<_GDFKCS>::Element *E = stackpositions.front(); E; E = E->next()) {
|
|
|
|
Pair<StringName, int> p;
|
|
p.first = E->get().id;
|
|
p.second = E->get().pos;
|
|
r_stackvars->push_back(p);
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
void GDFunction::clear() {
|
|
|
|
name=StringName();
|
|
constants.clear();
|
|
_stack_size=0;
|
|
code.clear();
|
|
_constants_ptr=NULL;
|
|
_constant_count=0;
|
|
_global_names_ptr=NULL;
|
|
_global_names_count=0;
|
|
_code_ptr=NULL;
|
|
_code_size=0;
|
|
|
|
}
|
|
#endif
|
|
GDFunction::GDFunction()
|
|
: function_list(this) {
|
|
|
|
_stack_size = 0;
|
|
_call_size = 0;
|
|
rpc_mode = ScriptInstance::RPC_MODE_DISABLED;
|
|
name = "<anonymous>";
|
|
#ifdef DEBUG_ENABLED
|
|
_func_cname = NULL;
|
|
|
|
if (GDScriptLanguage::get_singleton()->lock) {
|
|
GDScriptLanguage::get_singleton()->lock->lock();
|
|
}
|
|
GDScriptLanguage::get_singleton()->function_list.add(&function_list);
|
|
|
|
if (GDScriptLanguage::get_singleton()->lock) {
|
|
GDScriptLanguage::get_singleton()->lock->unlock();
|
|
}
|
|
|
|
profile.call_count = 0;
|
|
profile.self_time = 0;
|
|
profile.total_time = 0;
|
|
profile.frame_call_count = 0;
|
|
profile.frame_self_time = 0;
|
|
profile.frame_total_time = 0;
|
|
profile.last_frame_call_count = 0;
|
|
profile.last_frame_self_time = 0;
|
|
profile.last_frame_total_time = 0;
|
|
|
|
#endif
|
|
}
|
|
|
|
GDFunction::~GDFunction() {
|
|
#ifdef DEBUG_ENABLED
|
|
if (GDScriptLanguage::get_singleton()->lock) {
|
|
GDScriptLanguage::get_singleton()->lock->lock();
|
|
}
|
|
GDScriptLanguage::get_singleton()->function_list.remove(&function_list);
|
|
|
|
if (GDScriptLanguage::get_singleton()->lock) {
|
|
GDScriptLanguage::get_singleton()->lock->unlock();
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/////////////////////
|
|
|
|
Variant GDFunctionState::_signal_callback(const Variant **p_args, int p_argcount, Variant::CallError &r_error) {
|
|
|
|
#ifdef DEBUG_ENABLED
|
|
if (state.instance_id && !ObjectDB::get_instance(state.instance_id)) {
|
|
ERR_EXPLAIN("Resumed after yield, but class instance is gone");
|
|
ERR_FAIL_V(Variant());
|
|
}
|
|
|
|
if (state.script_id && !ObjectDB::get_instance(state.script_id)) {
|
|
ERR_EXPLAIN("Resumed after yield, but script is gone");
|
|
ERR_FAIL_V(Variant());
|
|
}
|
|
#endif
|
|
|
|
Variant arg;
|
|
r_error.error = Variant::CallError::CALL_OK;
|
|
|
|
ERR_FAIL_COND_V(!function, Variant());
|
|
|
|
if (p_argcount == 0) {
|
|
r_error.error = Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
|
|
r_error.argument = 1;
|
|
return Variant();
|
|
} else if (p_argcount == 1) {
|
|
//noooneee
|
|
} else if (p_argcount == 2) {
|
|
arg = *p_args[0];
|
|
} else {
|
|
Array extra_args;
|
|
for (int i = 0; i < p_argcount - 1; i++) {
|
|
extra_args.push_back(*p_args[i]);
|
|
}
|
|
arg = extra_args;
|
|
}
|
|
|
|
Ref<GDFunctionState> self = *p_args[p_argcount - 1];
|
|
|
|
if (self.is_null()) {
|
|
r_error.error = Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
|
|
r_error.argument = p_argcount - 1;
|
|
r_error.expected = Variant::OBJECT;
|
|
return Variant();
|
|
}
|
|
|
|
state.result = arg;
|
|
Variant ret = function->call(NULL, NULL, 0, r_error, &state);
|
|
function = NULL; //cleaned up;
|
|
state.result = Variant();
|
|
return ret;
|
|
}
|
|
|
|
bool GDFunctionState::is_valid(bool p_extended_check) const {
|
|
|
|
if (function == NULL)
|
|
return false;
|
|
|
|
if (p_extended_check) {
|
|
//class instance gone?
|
|
if (state.instance_id && !ObjectDB::get_instance(state.instance_id))
|
|
return false;
|
|
//script gone?
|
|
if (state.script_id && !ObjectDB::get_instance(state.script_id))
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
Variant GDFunctionState::resume(const Variant &p_arg) {
|
|
|
|
ERR_FAIL_COND_V(!function, Variant());
|
|
#ifdef DEBUG_ENABLED
|
|
if (state.instance_id && !ObjectDB::get_instance(state.instance_id)) {
|
|
ERR_EXPLAIN("Resumed after yield, but class instance is gone");
|
|
ERR_FAIL_V(Variant());
|
|
}
|
|
|
|
if (state.script_id && !ObjectDB::get_instance(state.script_id)) {
|
|
ERR_EXPLAIN("Resumed after yield, but script is gone");
|
|
ERR_FAIL_V(Variant());
|
|
}
|
|
#endif
|
|
|
|
state.result = p_arg;
|
|
Variant::CallError err;
|
|
Variant ret = function->call(NULL, NULL, 0, err, &state);
|
|
function = NULL; //cleaned up;
|
|
state.result = Variant();
|
|
return ret;
|
|
}
|
|
|
|
void GDFunctionState::_bind_methods() {
|
|
|
|
ClassDB::bind_method(D_METHOD("resume:Variant", "arg"), &GDFunctionState::resume, DEFVAL(Variant()));
|
|
ClassDB::bind_method(D_METHOD("is_valid", "extended_check"), &GDFunctionState::is_valid, DEFVAL(false));
|
|
ClassDB::bind_vararg_method(METHOD_FLAGS_DEFAULT, "_signal_callback", &GDFunctionState::_signal_callback, MethodInfo("_signal_callback"));
|
|
}
|
|
|
|
GDFunctionState::GDFunctionState() {
|
|
|
|
function = NULL;
|
|
}
|
|
|
|
GDFunctionState::~GDFunctionState() {
|
|
|
|
if (function != NULL) {
|
|
//never called, deinitialize stack
|
|
for (int i = 0; i < state.stack_size; i++) {
|
|
Variant *v = (Variant *)&state.stack[sizeof(Variant) * i];
|
|
v->~Variant();
|
|
}
|
|
}
|
|
}
|