diff options
Diffstat (limited to 'modules/gdscript')
| -rw-r--r-- | modules/gdscript/gdscript_disassembler.cpp | 540 | ||||
| -rw-r--r-- | modules/gdscript/gdscript_function.cpp | 2070 | ||||
| -rw-r--r-- | modules/gdscript/gdscript_vm.cpp | 1596 |
3 files changed, 2136 insertions, 2070 deletions
diff --git a/modules/gdscript/gdscript_disassembler.cpp b/modules/gdscript/gdscript_disassembler.cpp new file mode 100644 index 0000000000..4c3f5d3e75 --- /dev/null +++ b/modules/gdscript/gdscript_disassembler.cpp @@ -0,0 +1,540 @@ +/*************************************************************************/ +/* gdscript_disassembler.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. */ +/*************************************************************************/ + +#ifdef DEBUG_ENABLED + +#include "gdscript_function.h" + +#include "core/string/string_builder.h" +#include "gdscript.h" +#include "gdscript_functions.h" + +static String _get_variant_string(const Variant &p_variant) { + String txt; + if (p_variant.get_type() == Variant::STRING) { + txt = "\"" + String(p_variant) + "\""; + } else if (p_variant.get_type() == Variant::STRING_NAME) { + txt = "&\"" + String(p_variant) + "\""; + } else if (p_variant.get_type() == Variant::NODE_PATH) { + txt = "^\"" + String(p_variant) + "\""; + } else if (p_variant.get_type() == Variant::OBJECT) { + Object *obj = p_variant; + if (!obj) { + txt = "null"; + } else { + GDScriptNativeClass *cls = Object::cast_to<GDScriptNativeClass>(obj); + if (cls) { + txt += cls->get_name(); + txt += " (class)"; + } else { + txt = obj->get_class(); + if (obj->get_script_instance()) { + txt += "(" + obj->get_script_instance()->get_script()->get_path() + ")"; + } + } + } + } else { + txt = p_variant; + } + return txt; +} + +static String _disassemble_address(const GDScript *p_script, const GDScriptFunction &p_function, int p_address) { + int addr = p_address & GDScriptFunction::ADDR_MASK; + + switch (p_address >> GDScriptFunction::ADDR_BITS) { + case GDScriptFunction::ADDR_TYPE_SELF: { + return "self"; + } break; + case GDScriptFunction::ADDR_TYPE_CLASS: { + return "class"; + } break; + case GDScriptFunction::ADDR_TYPE_MEMBER: { + return "member(" + p_script->debug_get_member_by_index(addr) + ")"; + } break; + case GDScriptFunction::ADDR_TYPE_CLASS_CONSTANT: { + return "class_const(" + p_function.get_global_name(addr) + ")"; + } break; + case GDScriptFunction::ADDR_TYPE_LOCAL_CONSTANT: { + return "const(" + _get_variant_string(p_function.get_constant(addr)) + ")"; + } break; + case GDScriptFunction::ADDR_TYPE_STACK: { + return "stack(" + itos(addr) + ")"; + } break; + case GDScriptFunction::ADDR_TYPE_STACK_VARIABLE: { + return "var_stack(" + itos(addr) + ")"; + } break; + case GDScriptFunction::ADDR_TYPE_GLOBAL: { + return "global(" + _get_variant_string(GDScriptLanguage::get_singleton()->get_global_array()[addr]) + ")"; + } break; + case GDScriptFunction::ADDR_TYPE_NAMED_GLOBAL: { + return "named_global(" + p_function.get_global_name(addr) + ")"; + } break; + case GDScriptFunction::ADDR_TYPE_NIL: { + return "nil"; + } break; + } + + return "<err>"; +} + +void GDScriptFunction::disassemble(const Vector<String> &p_code_lines) const { +#define DADDR(m_ip) (_disassemble_address(_script, *this, _code_ptr[ip + m_ip])) + + for (int ip = 0; ip < _code_size;) { + StringBuilder text; + int incr = 0; + + text += " "; + text += itos(ip); + text += ": "; + + // This makes the compiler complain if some opcode is unchecked in the switch. + Opcode code = Opcode(_code_ptr[ip]); + + switch (code) { + case OPCODE_OPERATOR: { + int operation = _code_ptr[ip + 1]; + + text += "operator "; + + text += DADDR(4); + text += " = "; + text += DADDR(2); + text += " "; + text += Variant::get_operator_name(Variant::Operator(operation)); + text += " "; + text += DADDR(3); + + incr += 5; + } break; + case OPCODE_EXTENDS_TEST: { + text += "is object "; + text += DADDR(3); + text += " = "; + text += DADDR(1); + text += " is "; + text += DADDR(2); + + incr += 4; + } break; + case OPCODE_IS_BUILTIN: { + text += "is builtin "; + text += DADDR(3); + text += " = "; + text += DADDR(1); + text += " is "; + text += Variant::get_type_name(Variant::Type(_code_ptr[ip + 2])); + + incr += 4; + } break; + case OPCODE_SET: { + text += "set "; + text += DADDR(1); + text += "["; + text += DADDR(2); + text += "] = "; + text += DADDR(3); + + incr += 4; + } break; + case OPCODE_GET: { + text += "get "; + text += DADDR(3); + text += " = "; + text += DADDR(1); + text += "["; + text += DADDR(2); + text += "]"; + + incr += 4; + } break; + case OPCODE_SET_NAMED: { + text += "set_named "; + text += DADDR(1); + text += "[\""; + text += _global_names_ptr[_code_ptr[ip + 2]]; + text += "\"] = "; + text += DADDR(3); + + incr += 4; + } break; + case OPCODE_GET_NAMED: { + text += "get_named "; + text += DADDR(3); + text += " = "; + text += DADDR(1); + text += "[\""; + text += _global_names_ptr[_code_ptr[ip + 2]]; + text += "\"]"; + + incr += 4; + } break; + case OPCODE_SET_MEMBER: { + text += "set_member "; + text += "[\""; + text += _global_names_ptr[_code_ptr[ip + 1]]; + text += "\"] = "; + text += DADDR(2); + + incr += 3; + } break; + case OPCODE_GET_MEMBER: { + text += "get_member "; + text += DADDR(2); + text += " = "; + text += "[\""; + text += _global_names_ptr[_code_ptr[ip + 1]]; + text += "\"]"; + + incr += 3; + } break; + case OPCODE_ASSIGN: { + text += "assign "; + text += DADDR(1); + text += " = "; + text += DADDR(2); + + incr += 3; + } break; + case OPCODE_ASSIGN_TRUE: { + text += "assign "; + text += DADDR(1); + text += " = true"; + + incr += 2; + } break; + case OPCODE_ASSIGN_FALSE: { + text += "assign "; + text += DADDR(1); + text += " = false"; + + incr += 2; + } break; + case OPCODE_ASSIGN_TYPED_BUILTIN: { + text += "assign typed builtin ("; + text += Variant::get_type_name((Variant::Type)_code_ptr[ip + 1]); + text += ") "; + text += DADDR(2); + text += " = "; + text += DADDR(3); + + incr += 4; + } break; + case OPCODE_ASSIGN_TYPED_NATIVE: { + Variant class_name = _constants_ptr[_code_ptr[ip + 1]]; + GDScriptNativeClass *nc = Object::cast_to<GDScriptNativeClass>(class_name.operator Object *()); + + text += "assign typed native ("; + text += nc->get_name().operator String(); + text += ") "; + text += DADDR(2); + text += " = "; + text += DADDR(3); + + incr += 4; + } break; + case OPCODE_ASSIGN_TYPED_SCRIPT: { + Variant script = _constants_ptr[_code_ptr[ip + 1]]; + Script *sc = Object::cast_to<Script>(script.operator Object *()); + + text += "assign typed script ("; + text += sc->get_path(); + text += ") "; + text += DADDR(2); + text += " = "; + text += DADDR(3); + + incr += 4; + } break; + case OPCODE_CAST_TO_BUILTIN: { + text += "cast builtin "; + text += DADDR(3); + text += " = "; + text += DADDR(2); + text += " as "; + text += Variant::get_type_name(Variant::Type(_code_ptr[ip + 1])); + + incr += 4; + } break; + case OPCODE_CAST_TO_NATIVE: { + Variant class_name = _constants_ptr[_code_ptr[ip + 1]]; + GDScriptNativeClass *nc = Object::cast_to<GDScriptNativeClass>(class_name.operator Object *()); + + text += "cast native "; + text += DADDR(3); + text += " = "; + text += DADDR(2); + text += " as "; + text += nc->get_name(); + + incr += 4; + } break; + case OPCODE_CAST_TO_SCRIPT: { + text += "cast "; + text += DADDR(3); + text += " = "; + text += DADDR(2); + text += " as "; + text += DADDR(1); + + incr += 4; + } break; + case OPCODE_CONSTRUCT: { + Variant::Type t = Variant::Type(_code_ptr[ip + 1]); + int argc = _code_ptr[ip + 2]; + + text += "construct "; + text += DADDR(3 + argc); + text += " = "; + + text += Variant::get_type_name(t) + "("; + for (int i = 0; i < argc; i++) { + if (i > 0) + text += ", "; + text += DADDR(i + 3); + } + text += ")"; + + incr = 4 + argc; + } break; + case OPCODE_CONSTRUCT_ARRAY: { + int argc = _code_ptr[ip + 1]; + text += " make_array "; + text += DADDR(2 + argc); + text += " = ["; + + for (int i = 0; i < argc; i++) { + if (i > 0) + text += ", "; + text += DADDR(2 + i); + } + + text += "]"; + + incr += 3 + argc; + } break; + case OPCODE_CONSTRUCT_DICTIONARY: { + int argc = _code_ptr[ip + 1]; + text += "make_dict "; + text += DADDR(2 + argc * 2); + text += " = {"; + + for (int i = 0; i < argc; i++) { + if (i > 0) + text += ", "; + text += DADDR(2 + i * 2 + 0); + text += ": "; + text += DADDR(2 + i * 2 + 1); + } + + text += "}"; + + incr += 3 + argc * 2; + } break; + case OPCODE_CALL: + case OPCODE_CALL_RETURN: + case OPCODE_CALL_ASYNC: { + bool ret = _code_ptr[ip] == OPCODE_CALL_RETURN; + bool async = _code_ptr[ip] == OPCODE_CALL_ASYNC; + + if (ret) { + text += "call-ret "; + } else if (async) { + text += "call-async "; + } else { + text += "call "; + } + + int argc = _code_ptr[ip + 1]; + if (ret || async) { + text += DADDR(4 + argc) + " = "; + } + + text += DADDR(2) + "."; + text += String(_global_names_ptr[_code_ptr[ip + 3]]); + text += "("; + + for (int i = 0; i < argc; i++) { + if (i > 0) + text += ", "; + text += DADDR(4 + i); + } + text += ")"; + + incr = 5 + argc; + } break; + case OPCODE_CALL_BUILT_IN: { + text += "call-built-in "; + + int argc = _code_ptr[ip + 2]; + text += DADDR(3 + argc) + " = "; + + text += GDScriptFunctions::get_func_name(GDScriptFunctions::Function(_code_ptr[ip + 1])); + text += "("; + + for (int i = 0; i < argc; i++) { + if (i > 0) + text += ", "; + text += DADDR(3 + i); + } + text += ")"; + + incr = 4 + argc; + } break; + case OPCODE_CALL_SELF_BASE: { + text += "call-self-base "; + + int argc = _code_ptr[ip + 2]; + text += DADDR(3 + argc) + " = "; + + text += _global_names_ptr[_code_ptr[ip + 1]]; + text += "("; + + for (int i = 0; i < argc; i++) { + if (i > 0) + text += ", "; + text += DADDR(3 + i); + } + text += ")"; + + incr = 4 + argc; + } break; + case OPCODE_AWAIT: { + text += "await "; + text += DADDR(1); + + incr += 2; + } break; + case OPCODE_AWAIT_RESUME: { + text += "await resume "; + text += DADDR(1); + + incr = 2; + } break; + case OPCODE_JUMP: { + text += "jump "; + text += itos(_code_ptr[ip + 1]); + + incr = 2; + } break; + case OPCODE_JUMP_IF: { + text += "jump-if "; + text += DADDR(1); + text += " to "; + text += itos(_code_ptr[ip + 2]); + + incr = 3; + } break; + case OPCODE_JUMP_IF_NOT: { + text += "jump-if-not "; + text += DADDR(1); + text += " to "; + text += itos(_code_ptr[ip + 2]); + + incr = 3; + } break; + case OPCODE_JUMP_TO_DEF_ARGUMENT: { + text += "jump-to-default-argument "; + + incr = 1; + } break; + case OPCODE_RETURN: { + text += "return "; + text += DADDR(1); + + incr = 2; + } break; + case OPCODE_ITERATE_BEGIN: { + text += "for-init "; + text += DADDR(4); + text += " in "; + text += DADDR(2); + text += " counter "; + text += DADDR(1); + text += " end "; + text += itos(_code_ptr[ip + 3]); + + incr += 5; + } break; + case OPCODE_ITERATE: { + text += "for-loop "; + text += DADDR(4); + text += " in "; + text += DADDR(2); + text += " counter "; + text += DADDR(1); + text += " end "; + text += itos(_code_ptr[ip + 3]); + + incr += 5; + } break; + case OPCODE_LINE: { + int line = _code_ptr[ip + 1] - 1; + if (line >= 0 && line < p_code_lines.size()) { + text += "line "; + text += itos(line + 1); + text += ": "; + text += p_code_lines[line]; + } else { + text += ""; + } + + incr += 2; + } break; + case OPCODE_ASSERT: { + text += "assert ("; + text += DADDR(1); + text += ", "; + text += DADDR(2); + text += ")"; + + incr += 3; + } break; + case OPCODE_BREAKPOINT: { + text += "breakpoint"; + + incr += 1; + } break; + case OPCODE_END: { + text += "== END =="; + + incr += 1; + } break; + } + + ip += incr; + if (text.get_string_length() > 0) { + print_line(text.as_string()); + } + } +} + +#endif diff --git a/modules/gdscript/gdscript_function.cpp b/modules/gdscript/gdscript_function.cpp index 8372672cf7..397c1f0bf8 100644 --- a/modules/gdscript/gdscript_function.cpp +++ b/modules/gdscript/gdscript_function.cpp @@ -30,1574 +30,7 @@ #include "gdscript_function.h" -#include "core/os/os.h" #include "gdscript.h" -#include "gdscript_functions.h" - -#ifdef DEBUG_ENABLED -#include "core/string/string_builder.h" -#endif - -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_EXTENDS_TEST, \ - &&OPCODE_IS_BUILTIN, \ - &&OPCODE_SET, \ - &&OPCODE_GET, \ - &&OPCODE_SET_NAMED, \ - &&OPCODE_GET_NAMED, \ - &&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_SELF_BASE, \ - &&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) -#define OPCODES_END \ - OPSEXIT: -#define OPCODES_OUT \ - OPSOUT: -#define DISPATCH_OPCODE goto *switch_table_ops[_code_ptr[ip]] -#define OPCODE_SWITCH(m_test) DISPATCH_OPCODE; -#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 - -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 **call_args; - 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(); - call_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 *) * _call_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 (_call_size) { - call_args = (Variant **)&aptr[sizeof(Variant) * _stack_size]; - } else { - call_args = nullptr; - } - - } else { - stack = nullptr; - call_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; - } - } - - 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 - -#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 - - OPCODE_SWITCH(_code_ptr[ip]) { - OPCODE(OPCODE_OPERATOR) { - CHECK_SPACE(5); - - bool valid; - Variant::Operator op = (Variant::Operator)_code_ptr[ip + 1]; - GD_ERR_BREAK(op >= Variant::OP_MAX); - - GET_VARIANT_PTR(a, 2); - GET_VARIANT_PTR(b, 3); - GET_VARIANT_PTR(dst, 4); - -#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_EXTENDS_TEST) { - CHECK_SPACE(4); - - GET_VARIANT_PTR(a, 1); - GET_VARIANT_PTR(b, 2); - GET_VARIANT_PTR(dst, 3); - -#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_VARIANT_PTR(value, 1); - Variant::Type var_type = (Variant::Type)_code_ptr[ip + 2]; - GET_VARIANT_PTR(dst, 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) { - CHECK_SPACE(3); - - GET_VARIANT_PTR(dst, 1); - GET_VARIANT_PTR(index, 2); - GET_VARIANT_PTR(value, 3); - - 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_GET) { - CHECK_SPACE(3); - - GET_VARIANT_PTR(src, 1); - GET_VARIANT_PTR(index, 2); - GET_VARIANT_PTR(dst, 3); - - 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_SET_NAMED) { - CHECK_SPACE(3); - - GET_VARIANT_PTR(dst, 1); - GET_VARIANT_PTR(value, 3); - - int indexname = _code_ptr[ip + 2]; - - 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_GET_NAMED) { - CHECK_SPACE(4); - - GET_VARIANT_PTR(src, 1); - GET_VARIANT_PTR(dst, 3); - - int indexname = _code_ptr[ip + 2]; - - 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_SET_MEMBER) { - CHECK_SPACE(3); - int indexname = _code_ptr[ip + 1]; - GD_ERR_BREAK(indexname < 0 || indexname >= _global_names_count); - const StringName *index = &_global_names_ptr[indexname]; - GET_VARIANT_PTR(src, 2); - - 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); - int indexname = _code_ptr[ip + 1]; - GD_ERR_BREAK(indexname < 0 || indexname >= _global_names_count); - const StringName *index = &_global_names_ptr[indexname]; - GET_VARIANT_PTR(dst, 2); - -#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_VARIANT_PTR(dst, 1); - GET_VARIANT_PTR(src, 2); - - *dst = *src; - - ip += 3; - } - DISPATCH_OPCODE; - - OPCODE(OPCODE_ASSIGN_TRUE) { - CHECK_SPACE(2); - GET_VARIANT_PTR(dst, 1); - - *dst = true; - - ip += 2; - } - DISPATCH_OPCODE; - - OPCODE(OPCODE_ASSIGN_FALSE) { - CHECK_SPACE(2); - GET_VARIANT_PTR(dst, 1); - - *dst = false; - - ip += 2; - } - DISPATCH_OPCODE; - - OPCODE(OPCODE_ASSIGN_TYPED_BUILTIN) { - CHECK_SPACE(4); - GET_VARIANT_PTR(dst, 2); - GET_VARIANT_PTR(src, 3); - - Variant::Type var_type = (Variant::Type)_code_ptr[ip + 1]; - 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_VARIANT_PTR(dst, 2); - GET_VARIANT_PTR(src, 3); - -#ifdef DEBUG_ENABLED - GET_VARIANT_PTR(type, 1); - 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_VARIANT_PTR(dst, 2); - GET_VARIANT_PTR(src, 3); - -#ifdef DEBUG_ENABLED - GET_VARIANT_PTR(type, 1); - 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); - Variant::Type to_type = (Variant::Type)_code_ptr[ip + 1]; - GET_VARIANT_PTR(src, 2); - GET_VARIANT_PTR(dst, 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_VARIANT_PTR(to_type, 1); - GET_VARIANT_PTR(src, 2); - GET_VARIANT_PTR(dst, 3); - - 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_VARIANT_PTR(to_type, 1); - GET_VARIANT_PTR(src, 2); - GET_VARIANT_PTR(dst, 3); - - 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); - 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); - 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 += 4 + argc; - //construct a basic type - } - DISPATCH_OPCODE; - - OPCODE(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; - } - DISPATCH_OPCODE; - - OPCODE(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; - } - DISPATCH_OPCODE; - - OPCODE(OPCODE_CALL_ASYNC) - OPCODE(OPCODE_CALL_RETURN) - OPCODE(OPCODE_CALL) { - CHECK_SPACE(4); - bool call_ret = _code_ptr[ip] != OPCODE_CALL; -#ifdef DEBUG_ENABLED - bool call_async = _code_ptr[ip] == OPCODE_CALL_ASYNC; -#endif - - int argc = _code_ptr[ip + 1]; - GET_VARIANT_PTR(base, 2); - int nameg = _code_ptr[ip + 3]; - - GD_ERR_BREAK(nameg < 0 || nameg >= _global_names_count); - const StringName *methodname = &_global_names_ptr[nameg]; - - GD_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 = 0; - - if (GDScriptLanguage::get_singleton()->profiling) { - call_time = OS::get_singleton()->get_ticks_usec(); - } - -#endif - Callable::CallError err; - if (call_ret) { - GET_VARIANT_PTR(ret, argc); - 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 - - //_call_func(nullptr,base,*methodname,ip,argc,p_instance,stack); - ip += argc + 1; - } - DISPATCH_OPCODE; - - OPCODE(OPCODE_CALL_BUILT_IN) { - CHECK_SPACE(4); - - GDScriptFunctions::Function func = GDScriptFunctions::Function(_code_ptr[ip + 1]); - int argc = _code_ptr[ip + 2]; - GD_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); - - 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 += argc + 1; - } - DISPATCH_OPCODE; - - OPCODE(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"; - OPCODE_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, 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 += 4 + argc; - } - DISPATCH_OPCODE; - - OPCODE(OPCODE_AWAIT) { - CHECK_SPACE(2); - - //do the oneshot connect - GET_VARIANT_PTR(argobj, 1); - - 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_VARIANT_PTR(result, 1); - *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_VARIANT_PTR(test, 1); - - 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_VARIANT_PTR(test, 1); - - 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_VARIANT_PTR(r, 1); - retvalue = *r; -#ifdef DEBUG_ENABLED - exit_ok = true; -#endif - OPCODE_BREAK; - } - - OPCODE(OPCODE_ITERATE_BEGIN) { - CHECK_SPACE(8); //space for this a regular iterate - - GET_VARIANT_PTR(counter, 1); - GET_VARIANT_PTR(container, 2); - - 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 + 3]; - GD_ERR_BREAK(jumpto < 0 || jumpto > _code_size); - ip = jumpto; - } else { - GET_VARIANT_PTR(iterator, 4); - - *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_VARIANT_PTR(counter, 1); - GET_VARIANT_PTR(container, 2); - - 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 + 3]; - GD_ERR_BREAK(jumpto < 0 || jumpto > _code_size); - ip = jumpto; - } else { - GET_VARIANT_PTR(iterator, 4); - - *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_VARIANT_PTR(test, 1); - bool result = test->booleanize(); - - if (!result) { - String message_str; - if (_code_ptr[ip + 2] != 0) { - GET_VARIANT_PTR(message, 2); - 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; -} const int *GDScriptFunction::get_code() const { return _code_ptr; @@ -1891,506 +324,3 @@ GDScriptFunctionState::~GDScriptFunctionState() { instances_list.remove_from_list(); } } - -#ifdef DEBUG_ENABLED -static String _get_variant_string(const Variant &p_variant) { - String txt; - if (p_variant.get_type() == Variant::STRING) { - txt = "\"" + String(p_variant) + "\""; - } else if (p_variant.get_type() == Variant::STRING_NAME) { - txt = "&\"" + String(p_variant) + "\""; - } else if (p_variant.get_type() == Variant::NODE_PATH) { - txt = "^\"" + String(p_variant) + "\""; - } else if (p_variant.get_type() == Variant::OBJECT) { - Object *obj = p_variant; - if (!obj) { - txt = "null"; - } else { - GDScriptNativeClass *cls = Object::cast_to<GDScriptNativeClass>(obj); - if (cls) { - txt += cls->get_name(); - txt += " (class)"; - } else { - txt = obj->get_class(); - if (obj->get_script_instance()) { - txt += "(" + obj->get_script_instance()->get_script()->get_path() + ")"; - } - } - } - } else { - txt = p_variant; - } - return txt; -} - -static String _disassemble_address(const GDScript *p_script, const GDScriptFunction &p_function, int p_address) { - int addr = p_address & GDScriptFunction::ADDR_MASK; - - switch (p_address >> GDScriptFunction::ADDR_BITS) { - case GDScriptFunction::ADDR_TYPE_SELF: { - return "self"; - } break; - case GDScriptFunction::ADDR_TYPE_CLASS: { - return "class"; - } break; - case GDScriptFunction::ADDR_TYPE_MEMBER: { - return "member(" + p_script->debug_get_member_by_index(addr) + ")"; - } break; - case GDScriptFunction::ADDR_TYPE_CLASS_CONSTANT: { - return "class_const(" + p_function.get_global_name(addr) + ")"; - } break; - case GDScriptFunction::ADDR_TYPE_LOCAL_CONSTANT: { - return "const(" + _get_variant_string(p_function.get_constant(addr)) + ")"; - } break; - case GDScriptFunction::ADDR_TYPE_STACK: { - return "stack(" + itos(addr) + ")"; - } break; - case GDScriptFunction::ADDR_TYPE_STACK_VARIABLE: { - return "var_stack(" + itos(addr) + ")"; - } break; - case GDScriptFunction::ADDR_TYPE_GLOBAL: { - return "global(" + _get_variant_string(GDScriptLanguage::get_singleton()->get_global_array()[addr]) + ")"; - } break; - case GDScriptFunction::ADDR_TYPE_NAMED_GLOBAL: { - return "named_global(" + p_function.get_global_name(addr) + ")"; - } break; - case GDScriptFunction::ADDR_TYPE_NIL: { - return "nil"; - } break; - } - - return "<err>"; -} - -void GDScriptFunction::disassemble(const Vector<String> &p_code_lines) const { -#define DADDR(m_ip) (_disassemble_address(_script, *this, _code_ptr[ip + m_ip])) - - for (int ip = 0; ip < _code_size;) { - StringBuilder text; - int incr = 0; - - text += " "; - text += itos(ip); - text += ": "; - - // This makes the compiler complain if some opcode is unchecked in the switch. - Opcode code = Opcode(_code_ptr[ip]); - - switch (code) { - case OPCODE_OPERATOR: { - int operation = _code_ptr[ip + 1]; - - text += "operator "; - - text += DADDR(4); - text += " = "; - text += DADDR(2); - text += " "; - text += Variant::get_operator_name(Variant::Operator(operation)); - text += " "; - text += DADDR(3); - - incr += 5; - } break; - case OPCODE_EXTENDS_TEST: { - text += "is object "; - text += DADDR(3); - text += " = "; - text += DADDR(1); - text += " is "; - text += DADDR(2); - - incr += 4; - } break; - case OPCODE_IS_BUILTIN: { - text += "is builtin "; - text += DADDR(3); - text += " = "; - text += DADDR(1); - text += " is "; - text += Variant::get_type_name(Variant::Type(_code_ptr[ip + 2])); - - incr += 4; - } break; - case OPCODE_SET: { - text += "set "; - text += DADDR(1); - text += "["; - text += DADDR(2); - text += "] = "; - text += DADDR(3); - - incr += 4; - } break; - case OPCODE_GET: { - text += "get "; - text += DADDR(3); - text += " = "; - text += DADDR(1); - text += "["; - text += DADDR(2); - text += "]"; - - incr += 4; - } break; - case OPCODE_SET_NAMED: { - text += "set_named "; - text += DADDR(1); - text += "[\""; - text += _global_names_ptr[_code_ptr[ip + 2]]; - text += "\"] = "; - text += DADDR(3); - - incr += 4; - } break; - case OPCODE_GET_NAMED: { - text += "get_named "; - text += DADDR(3); - text += " = "; - text += DADDR(1); - text += "[\""; - text += _global_names_ptr[_code_ptr[ip + 2]]; - text += "\"]"; - - incr += 4; - } break; - case OPCODE_SET_MEMBER: { - text += "set_member "; - text += "[\""; - text += _global_names_ptr[_code_ptr[ip + 1]]; - text += "\"] = "; - text += DADDR(2); - - incr += 3; - } break; - case OPCODE_GET_MEMBER: { - text += "get_member "; - text += DADDR(2); - text += " = "; - text += "[\""; - text += _global_names_ptr[_code_ptr[ip + 1]]; - text += "\"]"; - - incr += 3; - } break; - case OPCODE_ASSIGN: { - text += "assign "; - text += DADDR(1); - text += " = "; - text += DADDR(2); - - incr += 3; - } break; - case OPCODE_ASSIGN_TRUE: { - text += "assign "; - text += DADDR(1); - text += " = true"; - - incr += 2; - } break; - case OPCODE_ASSIGN_FALSE: { - text += "assign "; - text += DADDR(1); - text += " = false"; - - incr += 2; - } break; - case OPCODE_ASSIGN_TYPED_BUILTIN: { - text += "assign typed builtin ("; - text += Variant::get_type_name((Variant::Type)_code_ptr[ip + 1]); - text += ") "; - text += DADDR(2); - text += " = "; - text += DADDR(3); - - incr += 4; - } break; - case OPCODE_ASSIGN_TYPED_NATIVE: { - Variant class_name = _constants_ptr[_code_ptr[ip + 1]]; - GDScriptNativeClass *nc = Object::cast_to<GDScriptNativeClass>(class_name.operator Object *()); - - text += "assign typed native ("; - text += nc->get_name().operator String(); - text += ") "; - text += DADDR(2); - text += " = "; - text += DADDR(3); - - incr += 4; - } break; - case OPCODE_ASSIGN_TYPED_SCRIPT: { - Variant script = _constants_ptr[_code_ptr[ip + 1]]; - Script *sc = Object::cast_to<Script>(script.operator Object *()); - - text += "assign typed script ("; - text += sc->get_path(); - text += ") "; - text += DADDR(2); - text += " = "; - text += DADDR(3); - - incr += 4; - } break; - case OPCODE_CAST_TO_BUILTIN: { - text += "cast builtin "; - text += DADDR(3); - text += " = "; - text += DADDR(2); - text += " as "; - text += Variant::get_type_name(Variant::Type(_code_ptr[ip + 1])); - - incr += 4; - } break; - case OPCODE_CAST_TO_NATIVE: { - Variant class_name = _constants_ptr[_code_ptr[ip + 1]]; - GDScriptNativeClass *nc = Object::cast_to<GDScriptNativeClass>(class_name.operator Object *()); - - text += "cast native "; - text += DADDR(3); - text += " = "; - text += DADDR(2); - text += " as "; - text += nc->get_name(); - - incr += 4; - } break; - case OPCODE_CAST_TO_SCRIPT: { - text += "cast "; - text += DADDR(3); - text += " = "; - text += DADDR(2); - text += " as "; - text += DADDR(1); - - incr += 4; - } break; - case OPCODE_CONSTRUCT: { - Variant::Type t = Variant::Type(_code_ptr[ip + 1]); - int argc = _code_ptr[ip + 2]; - - text += "construct "; - text += DADDR(3 + argc); - text += " = "; - - text += Variant::get_type_name(t) + "("; - for (int i = 0; i < argc; i++) { - if (i > 0) - text += ", "; - text += DADDR(i + 3); - } - text += ")"; - - incr = 4 + argc; - } break; - case OPCODE_CONSTRUCT_ARRAY: { - int argc = _code_ptr[ip + 1]; - text += " make_array "; - text += DADDR(2 + argc); - text += " = ["; - - for (int i = 0; i < argc; i++) { - if (i > 0) - text += ", "; - text += DADDR(2 + i); - } - - text += "]"; - - incr += 3 + argc; - } break; - case OPCODE_CONSTRUCT_DICTIONARY: { - int argc = _code_ptr[ip + 1]; - text += "make_dict "; - text += DADDR(2 + argc * 2); - text += " = {"; - - for (int i = 0; i < argc; i++) { - if (i > 0) - text += ", "; - text += DADDR(2 + i * 2 + 0); - text += ": "; - text += DADDR(2 + i * 2 + 1); - } - - text += "}"; - - incr += 3 + argc * 2; - } break; - case OPCODE_CALL: - case OPCODE_CALL_RETURN: - case OPCODE_CALL_ASYNC: { - bool ret = _code_ptr[ip] == OPCODE_CALL_RETURN; - bool async = _code_ptr[ip] == OPCODE_CALL_ASYNC; - - if (ret) { - text += "call-ret "; - } else if (async) { - text += "call-async "; - } else { - text += "call "; - } - - int argc = _code_ptr[ip + 1]; - if (ret || async) { - text += DADDR(4 + argc) + " = "; - } - - text += DADDR(2) + "."; - text += String(_global_names_ptr[_code_ptr[ip + 3]]); - text += "("; - - for (int i = 0; i < argc; i++) { - if (i > 0) - text += ", "; - text += DADDR(4 + i); - } - text += ")"; - - incr = 5 + argc; - } break; - case OPCODE_CALL_BUILT_IN: { - text += "call-built-in "; - - int argc = _code_ptr[ip + 2]; - text += DADDR(3 + argc) + " = "; - - text += GDScriptFunctions::get_func_name(GDScriptFunctions::Function(_code_ptr[ip + 1])); - text += "("; - - for (int i = 0; i < argc; i++) { - if (i > 0) - text += ", "; - text += DADDR(3 + i); - } - text += ")"; - - incr = 4 + argc; - } break; - case OPCODE_CALL_SELF_BASE: { - text += "call-self-base "; - - int argc = _code_ptr[ip + 2]; - text += DADDR(3 + argc) + " = "; - - text += _global_names_ptr[_code_ptr[ip + 1]]; - text += "("; - - for (int i = 0; i < argc; i++) { - if (i > 0) - text += ", "; - text += DADDR(3 + i); - } - text += ")"; - - incr = 4 + argc; - } break; - case OPCODE_AWAIT: { - text += "await "; - text += DADDR(1); - - incr += 2; - } break; - case OPCODE_AWAIT_RESUME: { - text += "await resume "; - text += DADDR(1); - - incr = 2; - } break; - case OPCODE_JUMP: { - text += "jump "; - text += itos(_code_ptr[ip + 1]); - - incr = 2; - } break; - case OPCODE_JUMP_IF: { - text += "jump-if "; - text += DADDR(1); - text += " to "; - text += itos(_code_ptr[ip + 2]); - - incr = 3; - } break; - case OPCODE_JUMP_IF_NOT: { - text += "jump-if-not "; - text += DADDR(1); - text += " to "; - text += itos(_code_ptr[ip + 2]); - - incr = 3; - } break; - case OPCODE_JUMP_TO_DEF_ARGUMENT: { - text += "jump-to-default-argument "; - - incr = 1; - } break; - case OPCODE_RETURN: { - text += "return "; - text += DADDR(1); - - incr = 2; - } break; - case OPCODE_ITERATE_BEGIN: { - text += "for-init "; - text += DADDR(4); - text += " in "; - text += DADDR(2); - text += " counter "; - text += DADDR(1); - text += " end "; - text += itos(_code_ptr[ip + 3]); - - incr += 5; - } break; - case OPCODE_ITERATE: { - text += "for-loop "; - text += DADDR(4); - text += " in "; - text += DADDR(2); - text += " counter "; - text += DADDR(1); - text += " end "; - text += itos(_code_ptr[ip + 3]); - - incr += 5; - } break; - case OPCODE_LINE: { - int line = _code_ptr[ip + 1] - 1; - if (line >= 0 && line < p_code_lines.size()) { - text += "line "; - text += itos(line + 1); - text += ": "; - text += p_code_lines[line]; - } else { - text += ""; - } - - incr += 2; - } break; - case OPCODE_ASSERT: { - text += "assert ("; - text += DADDR(1); - text += ", "; - text += DADDR(2); - text += ")"; - - incr += 3; - } break; - case OPCODE_BREAKPOINT: { - text += "breakpoint"; - - incr += 1; - } break; - case OPCODE_END: { - text += "== END =="; - - incr += 1; - } break; - } - - ip += incr; - if (text.get_string_length() > 0) { - print_line(text.as_string()); - } - } -} -#endif diff --git a/modules/gdscript/gdscript_vm.cpp b/modules/gdscript/gdscript_vm.cpp new file mode 100644 index 0000000000..65bea37b94 --- /dev/null +++ b/modules/gdscript/gdscript_vm.cpp @@ -0,0 +1,1596 @@ +/*************************************************************************/ +/* 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_EXTENDS_TEST, \ + &&OPCODE_IS_BUILTIN, \ + &&OPCODE_SET, \ + &&OPCODE_GET, \ + &&OPCODE_SET_NAMED, \ + &&OPCODE_GET_NAMED, \ + &&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_SELF_BASE, \ + &&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) +#define OPCODES_END \ + OPSEXIT: +#define OPCODES_OUT \ + OPSOUT: +#define DISPATCH_OPCODE goto *switch_table_ops[_code_ptr[ip]] +#define OPCODE_SWITCH(m_test) DISPATCH_OPCODE; +#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 + +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 **call_args; + 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(); + call_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 *) * _call_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 (_call_size) { + call_args = (Variant **)&aptr[sizeof(Variant) * _stack_size]; + } else { + call_args = nullptr; + } + + } else { + stack = nullptr; + call_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; + } + } + + 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 + +#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 + + OPCODE_SWITCH(_code_ptr[ip]) { + OPCODE(OPCODE_OPERATOR) { + CHECK_SPACE(5); + + bool valid; + Variant::Operator op = (Variant::Operator)_code_ptr[ip + 1]; + GD_ERR_BREAK(op >= Variant::OP_MAX); + + GET_VARIANT_PTR(a, 2); + GET_VARIANT_PTR(b, 3); + GET_VARIANT_PTR(dst, 4); + +#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_EXTENDS_TEST) { + CHECK_SPACE(4); + + GET_VARIANT_PTR(a, 1); + GET_VARIANT_PTR(b, 2); + GET_VARIANT_PTR(dst, 3); + +#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_VARIANT_PTR(value, 1); + Variant::Type var_type = (Variant::Type)_code_ptr[ip + 2]; + GET_VARIANT_PTR(dst, 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) { + CHECK_SPACE(3); + + GET_VARIANT_PTR(dst, 1); + GET_VARIANT_PTR(index, 2); + GET_VARIANT_PTR(value, 3); + + 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_GET) { + CHECK_SPACE(3); + + GET_VARIANT_PTR(src, 1); + GET_VARIANT_PTR(index, 2); + GET_VARIANT_PTR(dst, 3); + + 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_SET_NAMED) { + CHECK_SPACE(3); + + GET_VARIANT_PTR(dst, 1); + GET_VARIANT_PTR(value, 3); + + int indexname = _code_ptr[ip + 2]; + + 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_GET_NAMED) { + CHECK_SPACE(4); + + GET_VARIANT_PTR(src, 1); + GET_VARIANT_PTR(dst, 3); + + int indexname = _code_ptr[ip + 2]; + + 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_SET_MEMBER) { + CHECK_SPACE(3); + int indexname = _code_ptr[ip + 1]; + GD_ERR_BREAK(indexname < 0 || indexname >= _global_names_count); + const StringName *index = &_global_names_ptr[indexname]; + GET_VARIANT_PTR(src, 2); + + 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); + int indexname = _code_ptr[ip + 1]; + GD_ERR_BREAK(indexname < 0 || indexname >= _global_names_count); + const StringName *index = &_global_names_ptr[indexname]; + GET_VARIANT_PTR(dst, 2); + +#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_VARIANT_PTR(dst, 1); + GET_VARIANT_PTR(src, 2); + + *dst = *src; + + ip += 3; + } + DISPATCH_OPCODE; + + OPCODE(OPCODE_ASSIGN_TRUE) { + CHECK_SPACE(2); + GET_VARIANT_PTR(dst, 1); + + *dst = true; + + ip += 2; + } + DISPATCH_OPCODE; + + OPCODE(OPCODE_ASSIGN_FALSE) { + CHECK_SPACE(2); + GET_VARIANT_PTR(dst, 1); + + *dst = false; + + ip += 2; + } + DISPATCH_OPCODE; + + OPCODE(OPCODE_ASSIGN_TYPED_BUILTIN) { + CHECK_SPACE(4); + GET_VARIANT_PTR(dst, 2); + GET_VARIANT_PTR(src, 3); + + Variant::Type var_type = (Variant::Type)_code_ptr[ip + 1]; + 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_VARIANT_PTR(dst, 2); + GET_VARIANT_PTR(src, 3); + +#ifdef DEBUG_ENABLED + GET_VARIANT_PTR(type, 1); + 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_VARIANT_PTR(dst, 2); + GET_VARIANT_PTR(src, 3); + +#ifdef DEBUG_ENABLED + GET_VARIANT_PTR(type, 1); + 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); + Variant::Type to_type = (Variant::Type)_code_ptr[ip + 1]; + GET_VARIANT_PTR(src, 2); + GET_VARIANT_PTR(dst, 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_VARIANT_PTR(to_type, 1); + GET_VARIANT_PTR(src, 2); + GET_VARIANT_PTR(dst, 3); + + 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_VARIANT_PTR(to_type, 1); + GET_VARIANT_PTR(src, 2); + GET_VARIANT_PTR(dst, 3); + + 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); + 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); + 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 += 4 + argc; + //construct a basic type + } + DISPATCH_OPCODE; + + OPCODE(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; + } + DISPATCH_OPCODE; + + OPCODE(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; + } + DISPATCH_OPCODE; + + OPCODE(OPCODE_CALL_ASYNC) + OPCODE(OPCODE_CALL_RETURN) + OPCODE(OPCODE_CALL) { + CHECK_SPACE(4); + bool call_ret = _code_ptr[ip] != OPCODE_CALL; +#ifdef DEBUG_ENABLED + bool call_async = _code_ptr[ip] == OPCODE_CALL_ASYNC; +#endif + + int argc = _code_ptr[ip + 1]; + GET_VARIANT_PTR(base, 2); + int nameg = _code_ptr[ip + 3]; + + GD_ERR_BREAK(nameg < 0 || nameg >= _global_names_count); + const StringName *methodname = &_global_names_ptr[nameg]; + + GD_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 = 0; + + if (GDScriptLanguage::get_singleton()->profiling) { + call_time = OS::get_singleton()->get_ticks_usec(); + } + +#endif + Callable::CallError err; + if (call_ret) { + GET_VARIANT_PTR(ret, argc); + 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 + + //_call_func(nullptr,base,*methodname,ip,argc,p_instance,stack); + ip += argc + 1; + } + DISPATCH_OPCODE; + + OPCODE(OPCODE_CALL_BUILT_IN) { + CHECK_SPACE(4); + + GDScriptFunctions::Function func = GDScriptFunctions::Function(_code_ptr[ip + 1]); + int argc = _code_ptr[ip + 2]; + GD_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); + + 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 += argc + 1; + } + DISPATCH_OPCODE; + + OPCODE(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"; + OPCODE_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, 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 += 4 + argc; + } + DISPATCH_OPCODE; + + OPCODE(OPCODE_AWAIT) { + CHECK_SPACE(2); + + //do the oneshot connect + GET_VARIANT_PTR(argobj, 1); + + 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_VARIANT_PTR(result, 1); + *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_VARIANT_PTR(test, 1); + + 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_VARIANT_PTR(test, 1); + + 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_VARIANT_PTR(r, 1); + retvalue = *r; +#ifdef DEBUG_ENABLED + exit_ok = true; +#endif + OPCODE_BREAK; + } + + OPCODE(OPCODE_ITERATE_BEGIN) { + CHECK_SPACE(8); //space for this a regular iterate + + GET_VARIANT_PTR(counter, 1); + GET_VARIANT_PTR(container, 2); + + 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 + 3]; + GD_ERR_BREAK(jumpto < 0 || jumpto > _code_size); + ip = jumpto; + } else { + GET_VARIANT_PTR(iterator, 4); + + *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_VARIANT_PTR(counter, 1); + GET_VARIANT_PTR(container, 2); + + 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 + 3]; + GD_ERR_BREAK(jumpto < 0 || jumpto > _code_size); + ip = jumpto; + } else { + GET_VARIANT_PTR(iterator, 4); + + *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_VARIANT_PTR(test, 1); + bool result = test->booleanize(); + + if (!result) { + String message_str; + if (_code_ptr[ip + 2] != 0) { + GET_VARIANT_PTR(message, 2); + 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; +} |