static bool _parse_completion_variant(const Variant& p_var,List<String>* r_options,List<String>::Element *p_indices) {
if (p_indices) {
bool ok;
Variant si = p_var.get(p_indices->get(),&ok);
if (!ok)
return false;
return _parse_completion_variant(si,r_options,p_indices->next());
} else {
switch(p_var.get_type()) {
case Variant::DICTIONARY: {
Dictionary d=p_var;
List<Variant> vl;
d.get_key_list(&vl);
for (List<Variant>::Element *E=vl.front();E;E=E->next()) {
if (E->get().get_type()==Variant::STRING)
r_options->push_back(E->get());
}
List<MethodInfo> ml;
p_var.get_method_list(&ml);
for(List<MethodInfo>::Element *E=ml.front();E;E=E->next()) {
r_options->push_back(E->get().name);
}
} break;
case Variant::OBJECT: {
Object *o=p_var;
if (o) {
print_line("OBJECT: "+o->get_type());
if (p_var.is_ref() && o->cast_to<GDScript>()) {
Ref<GDScript> gds = p_var;
_parse_script_symbols(gds,true,r_options,NULL);
} else if (o->is_type("GDNativeClass")){
GDNativeClass *gnc = o->cast_to<GDNativeClass>();
_parse_native_symbols(gnc->get_name(),false,r_options);
} else {
print_line("REGULAR BLEND");
_parse_native_symbols(o->get_type(),false,r_options);
}
}
} break;
default: {
List<PropertyInfo> pi;
p_var.get_property_list(&pi);
for(List<PropertyInfo>::Element *E=pi.front();E;E=E->next()) {
r_options->push_back(E->get().name);
}
List<StringName> cl;
p_var.get_numeric_constants_for_type(p_var.get_type(),&cl);
for(List<StringName>::Element *E=cl.front();E;E=E->next()) {
r_options->push_back(E->get());
}
List<MethodInfo> ml;
p_var.get_method_list(&ml);
for(List<MethodInfo>::Element *E=ml.front();E;E=E->next()) {
r_options->push_back(E->get().name);
}
} break;
}
return true;
}
}
Variant GDFunction::call(GDInstance *p_instance, const Variant **p_args, int p_argcount, Variant::CallError &r_err, CallState *p_state) {
if (!_code_ptr) {
return Variant();
}
r_err.error = Variant::CallError::CALL_OK;
Variant self;
Variant retvalue;
Variant *stack = NULL;
Variant **call_args;
int defarg = 0;
#ifdef DEBUG_ENABLED
//GDScriptLanguage::get_singleton()->calls++;
#endif
uint32_t alloca_size = 0;
GDScript *_class;
int ip = 0;
int line = _initial_line;
if (p_state) {
//use existing (supplied) state (yielded)
stack = (Variant *)p_state->stack.ptr();
call_args = (Variant **)stack + sizeof(Variant) * p_state->stack_size;
line = p_state->line;
ip = p_state->ip;
alloca_size = p_state->stack.size();
_class = p_state->_class;
p_instance = p_state->instance;
defarg = p_state->defarg;
self = p_state->self;
//stack[p_state->result_pos]=p_state->result; //assign stack with result
} else {
if (p_argcount != _argument_count) {
if (p_argcount > _argument_count) {
r_err.error = Variant::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 = Variant::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++)
memnew_placement(&stack[i], Variant(*p_args[i]));
for (int i = p_argcount; i < _stack_size; i++)
memnew_placement(&stack[i], Variant);
} else {
stack = NULL;
}
if (_call_size) {
call_args = (Variant **)&aptr[sizeof(Variant) * _stack_size];
} else {
call_args = NULL;
}
} else {
stack = NULL;
call_args = NULL;
}
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;
}
_class = p_instance->script.ptr();
} else {
_class = _script;
}
}
String err_text;
#ifdef DEBUG_ENABLED
if (ScriptDebugger::get_singleton())
GDScriptLanguage::get_singleton()->enter_function(p_instance, this, stack, &ip, &line);
#define CHECK_SPACE(m_space) \
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, _class, self, stack, err_text); \
if (!m_v) \
break;
#else
#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, _class, self, stack, err_text);
#endif
#ifdef DEBUG_ENABLED
uint64_t function_start_time;
uint64_t function_call_time;
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++;
}
#endif
bool exit_ok = false;
while (ip < _code_size) {
int last_opcode = _code_ptr[ip];
switch (_code_ptr[ip]) {
case OPCODE_OPERATOR: {
CHECK_SPACE(5);
bool valid;
Variant::Operator op = (Variant::Operator)_code_ptr[ip + 1];
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
if (!valid) {
#ifdef DEBUG_ENABLED
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) + "'.";
}
#endif
break;
}
#ifdef DEBUG_ENABLED
*dst = ret;
#endif
ip += 5;
continue;
}
case 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 (a->get_type() != Variant::OBJECT || a->operator Object *() == NULL) {
err_text = "Left operand of 'extends' is not an instance of anything.";
break;
}
if (b->get_type() != Variant::OBJECT || b->operator Object *() == NULL) {
err_text = "Right operand of 'extends' is not a class.";
break;
}
#endif
Object *obj_A = *a;
Object *obj_B = *b;
GDScript *scr_B = obj_B->cast_to<GDScript>();
bool extends_ok = false;
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 {
GDNativeClass *nc = obj_B->cast_to<GDNativeClass>();
if (!nc) {
err_text = "Right operand of 'extends' is not a class (type: '" + obj_B->get_class() + "').";
break;
}
extends_ok = ClassDB::is_parent_class(obj_A->get_class_name(), nc->get_name());
}
*dst = extends_ok;
ip += 4;
continue;
}
case 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);
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) + "').";
break;
}
ip += 4;
continue;
}
case 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
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) + "').";
break;
}
#ifdef DEBUG_ENABLED
*dst = ret;
#endif
ip += 4;
continue;
}
case OPCODE_SET_NAMED: {
CHECK_SPACE(3);
GET_VARIANT_PTR(dst, 1);
GET_VARIANT_PTR(value, 3);
int indexname = _code_ptr[ip + 2];
ERR_BREAK(indexname < 0 || indexname >= _global_names_count);
const StringName *index = &_global_names_ptr[indexname];
bool valid;
dst->set_named(*index, *value, &valid);
if (!valid) {
String err_type;
err_text = "Invalid set index '" + String(*index) + "' (on base: '" + _get_var_type(dst) + "').";
break;
}
ip += 4;
continue;
}
case OPCODE_GET_NAMED: {
CHECK_SPACE(4);
GET_VARIANT_PTR(src, 1);
GET_VARIANT_PTR(dst, 3);
int indexname = _code_ptr[ip + 2];
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
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() + "()' ?";
} else {
err_text = "Invalid get index '" + index->operator String() + "' (on base: '" + _get_var_type(src) + "').";
}
break;
}
#ifdef DEBUG_ENABLED
*dst = ret;
#endif
ip += 4;
continue;
}
case OPCODE_SET_MEMBER: {
CHECK_SPACE(3);
int indexname = _code_ptr[ip + 1];
ERR_BREAK(indexname < 0 || indexname >= _global_names_count);
const StringName *index = &_global_names_ptr[indexname];
GET_VARIANT_PTR(src, 2);
bool valid;
bool ok = ClassDB::set_property(p_instance->owner, *index, *src, &valid);
#ifdef DEBUG_ENABLED
if (!ok) {
err_text = "Internal error setting property: " + String(*index);
break;
} else if (!valid) {
err_text = "Error setting property '" + String(*index) + "' with value of type " + Variant::get_type_name(src->get_type()) + ".";
break;
}
#endif
ip += 3;
continue;
}
case OPCODE_GET_MEMBER: {
CHECK_SPACE(3);
int indexname = _code_ptr[ip + 1];
ERR_BREAK(indexname < 0 || indexname >= _global_names_count);
const StringName *index = &_global_names_ptr[indexname];
GET_VARIANT_PTR(dst, 2);
bool ok = ClassDB::get_property(p_instance->owner, *index, *dst);
#ifdef DEBUG_ENABLED
if (!ok) {
err_text = "Internal error getting property: " + String(*index);
break;
}
#endif
ip += 3;
continue;
}
case OPCODE_ASSIGN: {
CHECK_SPACE(3);
GET_VARIANT_PTR(dst, 1);
GET_VARIANT_PTR(src, 2);
*dst = *src;
ip += 3;
continue;
}
case OPCODE_ASSIGN_TRUE: {
CHECK_SPACE(2);
GET_VARIANT_PTR(dst, 1);
*dst = true;
ip += 2;
continue;
}
case OPCODE_ASSIGN_FALSE: {
CHECK_SPACE(2);
GET_VARIANT_PTR(dst, 1);
*dst = false;
ip += 2;
continue;
}
case OPCODE_CONSTRUCT: {
CHECK_SPACE(2);
Variant::Type t = Variant::Type(_code_ptr[ip + 1]);
int argc = _code_ptr[ip + 2];
CHECK_SPACE(argc + 2);
Variant **argptrs = call_args;
for (int i = 0; i < argc; i++) {
GET_VARIANT_PTR(v, 3 + i);
argptrs[i] = v;
}
GET_VARIANT_PTR(dst, 3 + argc);
Variant::CallError err;
*dst = Variant::construct(t, (const Variant **)argptrs, argc, err);
if (err.error != Variant::CallError::CALL_OK) {
err_text = _get_call_error(err, "'" + Variant::get_type_name(t) + "' constructor", (const Variant **)argptrs);
break;
}
ip += 4 + argc;
//construct a basic type
continue;
}
case OPCODE_CONSTRUCT_ARRAY: {
CHECK_SPACE(1);
int argc = _code_ptr[ip + 1];
Array array; //arrays are always shared
array.resize(argc);
CHECK_SPACE(argc + 2);
for (int i = 0; i < argc; i++) {
GET_VARIANT_PTR(v, 2 + i);
array[i] = *v;
}
GET_VARIANT_PTR(dst, 2 + argc);
*dst = array;
ip += 3 + argc;
continue;
}
case OPCODE_CONSTRUCT_DICTIONARY: {
CHECK_SPACE(1);
int argc = _code_ptr[ip + 1];
Dictionary dict; //arrays are always shared
CHECK_SPACE(argc * 2 + 2);
for (int i = 0; i < argc; i++) {
GET_VARIANT_PTR(k, 2 + i * 2 + 0);
GET_VARIANT_PTR(v, 2 + i * 2 + 1);
dict[*k] = *v;
}
GET_VARIANT_PTR(dst, 2 + argc * 2);
*dst = dict;
ip += 3 + argc * 2;
continue;
}
case OPCODE_CALL_RETURN:
case OPCODE_CALL: {
CHECK_SPACE(4);
bool call_ret = _code_ptr[ip] == OPCODE_CALL_RETURN;
int argc = _code_ptr[ip + 1];
GET_VARIANT_PTR(base, 2);
int nameg = _code_ptr[ip + 3];
ERR_BREAK(nameg < 0 || nameg >= _global_names_count);
const StringName *methodname = &_global_names_ptr[nameg];
ERR_BREAK(argc < 0);
ip += 4;
CHECK_SPACE(argc + 1);
Variant **argptrs = call_args;
for (int i = 0; i < argc; i++) {
GET_VARIANT_PTR(v, i);
argptrs[i] = v;
}
#ifdef DEBUG_ENABLED
uint64_t call_time;
if (GDScriptLanguage::get_singleton()->profiling) {
call_time = OS::get_singleton()->get_ticks_usec();
}
#endif
Variant::CallError err;
if (call_ret) {
GET_VARIANT_PTR(ret, argc);
base->call_ptr(*methodname, (const Variant **)argptrs, argc, ret, err);
} else {
base->call_ptr(*methodname, (const Variant **)argptrs, argc, NULL, err);
}
#ifdef DEBUG_ENABLED
if (GDScriptLanguage::get_singleton()->profiling) {
function_call_time += OS::get_singleton()->get_ticks_usec() - call_time;
}
#endif
if (err.error != Variant::CallError::CALL_OK) {
String methodstr = *methodname;
String basestr = _get_var_type(base);
if (methodstr == "call") {
if (argc >= 1) {
methodstr = String(*argptrs[0]) + " (via call)";
if (err.error == Variant::CallError::CALL_ERROR_INVALID_ARGUMENT) {
err.argument -= 1;
}
}
} else if (methodstr == "free") {
if (err.error == Variant::CallError::CALL_ERROR_INVALID_METHOD) {
if (base->is_ref()) {
err_text = "Attempted to free a reference.";
break;
} else if (base->get_type() == Variant::OBJECT) {
err_text = "Attempted to free a locked object (calling or emitting).";
break;
}
}
}
err_text = _get_call_error(err, "function '" + methodstr + "' in base '" + basestr + "'", (const Variant **)argptrs);
break;
}
//_call_func(NULL,base,*methodname,ip,argc,p_instance,stack);
ip += argc + 1;
continue;
}
case OPCODE_CALL_BUILT_IN: {
CHECK_SPACE(4);
GDFunctions::Function func = GDFunctions::Function(_code_ptr[ip + 1]);
int argc = _code_ptr[ip + 2];
ERR_BREAK(argc < 0);
ip += 3;
CHECK_SPACE(argc + 1);
Variant **argptrs = call_args;
for (int i = 0; i < argc; i++) {
GET_VARIANT_PTR(v, i);
argptrs[i] = v;
}
GET_VARIANT_PTR(dst, argc);
Variant::CallError err;
GDFunctions::call(func, (const Variant **)argptrs, argc, *dst, err);
if (err.error != Variant::CallError::CALL_OK) {
String methodstr = GDFunctions::get_func_name(func);
if (dst->get_type() == Variant::STRING) {
//call provided error string
err_text = "Error calling built-in function '" + methodstr + "': " + String(*dst);
} else {
err_text = _get_call_error(err, "built-in function '" + methodstr + "'", (const Variant **)argptrs);
}
break;
}
ip += argc + 1;
continue;
}
case OPCODE_CALL_SELF: {
break;
}
case OPCODE_CALL_SELF_BASE: {
CHECK_SPACE(2);
int self_fun = _code_ptr[ip + 1];
#ifdef DEBUG_ENABLED
if (self_fun < 0 || self_fun >= _global_names_count) {
err_text = "compiler bug, function name not found";
break;
}
#endif
const StringName *methodname = &_global_names_ptr[self_fun];
int argc = _code_ptr[ip + 2];
CHECK_SPACE(2 + argc + 1);
Variant **argptrs = call_args;
for (int i = 0; i < argc; i++) {
GET_VARIANT_PTR(v, i + 3);
argptrs[i] = v;
}
GET_VARIANT_PTR(dst, argc + 3);
const GDScript *gds = _script;
const Map<StringName, GDFunction *>::Element *E = NULL;
while (gds->base.ptr()) {
gds = gds->base.ptr();
E = gds->member_functions.find(*methodname);
if (E)
break;
}
Variant::CallError err;
if (E) {
*dst = E->get()->call(p_instance, (const Variant **)argptrs, argc, err);
} else if (gds->native.ptr()) {
if (*methodname != GDScriptLanguage::get_singleton()->strings._init) {
MethodBind *mb = ClassDB::get_method(gds->native->get_name(), *methodname);
if (!mb) {
err.error = Variant::CallError::CALL_ERROR_INVALID_METHOD;
} else {
*dst = mb->call(p_instance->owner, (const Variant **)argptrs, argc, err);
}
} else {
err.error = Variant::CallError::CALL_OK;
}
} else {
if (*methodname != GDScriptLanguage::get_singleton()->strings._init) {
err.error = Variant::CallError::CALL_ERROR_INVALID_METHOD;
} else {
err.error = Variant::CallError::CALL_OK;
}
}
if (err.error != Variant::CallError::CALL_OK) {
String methodstr = *methodname;
err_text = _get_call_error(err, "function '" + methodstr + "'", (const Variant **)argptrs);
break;
}
ip += 4 + argc;
continue;
}
case OPCODE_YIELD:
case OPCODE_YIELD_SIGNAL: {
int ipofs = 1;
if (_code_ptr[ip] == OPCODE_YIELD_SIGNAL) {
CHECK_SPACE(4);
ipofs += 2;
} else {
CHECK_SPACE(2);
}
Ref<GDFunctionState> gdfs = memnew(GDFunctionState);
gdfs->function = this;
gdfs->state.stack.resize(alloca_size);
//copy variant stack
for (int i = 0; i < _stack_size; i++) {
memnew_placement(&gdfs->state.stack[sizeof(Variant) * i], Variant(stack[i]));
}
gdfs->state.stack_size = _stack_size;
gdfs->state.self = self;
gdfs->state.alloca_size = alloca_size;
gdfs->state._class = _class;
gdfs->state.ip = ip + ipofs;
gdfs->state.line = line;
gdfs->state.instance_id = (p_instance && p_instance->get_owner()) ? p_instance->get_owner()->get_instance_ID() : 0;
gdfs->state.script_id = _class->get_instance_ID();
//gdfs->state.result_pos=ip+ipofs-1;
gdfs->state.defarg = defarg;
gdfs->state.instance = p_instance;
gdfs->function = this;
retvalue = gdfs;
if (_code_ptr[ip] == OPCODE_YIELD_SIGNAL) {
GET_VARIANT_PTR(argobj, 1);
GET_VARIANT_PTR(argname, 2);
//do the oneshot connect
if (argobj->get_type() != Variant::OBJECT) {
err_text = "First argument of yield() not of type object.";
break;
}
if (argname->get_type() != Variant::STRING) {
err_text = "Second argument of yield() not a string (for signal name).";
break;
}
Object *obj = argobj->operator Object *();
String signal = argname->operator String();
#ifdef DEBUG_ENABLED
if (!obj) {
err_text = "First argument of yield() is null.";
break;
}
if (ScriptDebugger::get_singleton()) {
if (!ObjectDB::instance_validate(obj)) {
err_text = "First argument of yield() is a previously freed instance.";
break;
}
}
if (signal.length() == 0) {
err_text = "Second argument of yield() is an empty string (for signal name).";
break;
}
#endif
Error err = obj->connect(signal, gdfs.ptr(), "_signal_callback", varray(gdfs), Object::CONNECT_ONESHOT);
if (err != OK) {
err_text = "Error connecting to signal: " + signal + " during yield().";
break;
}
}
exit_ok = true;
break;
}
case OPCODE_YIELD_RESUME: {
CHECK_SPACE(2);
if (!p_state) {
err_text = ("Invalid Resume (bug?)");
break;
}
GET_VARIANT_PTR(result, 1);
*result = p_state->result;
ip += 2;
continue;
}
case OPCODE_JUMP: {
CHECK_SPACE(2);
int to = _code_ptr[ip + 1];
ERR_BREAK(to < 0 || to > _code_size);
ip = to;
continue;
}
case OPCODE_JUMP_IF: {
CHECK_SPACE(3);
GET_VARIANT_PTR(test, 1);
bool valid;
bool result = test->booleanize(valid);
#ifdef DEBUG_ENABLED
if (!valid) {
err_text = "cannot evaluate conditional expression of type: " + Variant::get_type_name(test->get_type());
break;
}
#endif
if (result) {
int to = _code_ptr[ip + 2];
ERR_BREAK(to < 0 || to > _code_size);
ip = to;
continue;
}
ip += 3;
continue;
}
case OPCODE_JUMP_IF_NOT: {
CHECK_SPACE(3);
GET_VARIANT_PTR(test, 1);
bool valid;
bool result = test->booleanize(valid);
#ifdef DEBUG_ENABLED
if (!valid) {
err_text = "cannot evaluate conditional expression of type: " + Variant::get_type_name(test->get_type());
break;
}
#endif
if (!result) {
int to = _code_ptr[ip + 2];
ERR_BREAK(to < 0 || to > _code_size);
ip = to;
continue;
}
ip += 3;
continue;
}
case OPCODE_JUMP_TO_DEF_ARGUMENT: {
CHECK_SPACE(2);
ip = _default_arg_ptr[defarg];
continue;
}
case OPCODE_RETURN: {
CHECK_SPACE(2);
GET_VARIANT_PTR(r, 1);
retvalue = *r;
exit_ok = true;
break;
}
case OPCODE_ITERATE_BEGIN: {
CHECK_SPACE(8); //space for this an regular iterate
GET_VARIANT_PTR(counter, 1);
GET_VARIANT_PTR(container, 2);
bool valid;
if (!container->iter_init(*counter, valid)) {
if (!valid) {
err_text = "Unable to iterate on object of type " + Variant::get_type_name(container->get_type()) + "'.";
break;
}
int jumpto = _code_ptr[ip + 3];
ERR_BREAK(jumpto < 0 || jumpto > _code_size);
ip = jumpto;
continue;
}
GET_VARIANT_PTR(iterator, 4);
*iterator = container->iter_get(*counter, valid);
if (!valid) {
err_text = "Unable to obtain iterator object of type " + Variant::get_type_name(container->get_type()) + "'.";
break;
}
ip += 5; //skip regular iterate which is always next
continue;
}
case OPCODE_ITERATE: {
CHECK_SPACE(4);
GET_VARIANT_PTR(counter, 1);
GET_VARIANT_PTR(container, 2);
bool valid;
if (!container->iter_next(*counter, valid)) {
if (!valid) {
err_text = "Unable to iterate on object of type " + Variant::get_type_name(container->get_type()) + "' (type changed since first iteration?).";
break;
}
int jumpto = _code_ptr[ip + 3];
ERR_BREAK(jumpto < 0 || jumpto > _code_size);
ip = jumpto;
continue;
}
GET_VARIANT_PTR(iterator, 4);
*iterator = container->iter_get(*counter, valid);
if (!valid) {
err_text = "Unable to obtain iterator object of type " + Variant::get_type_name(container->get_type()) + "' (but was obtained on first iteration?).";
break;
}
ip += 5; //loop again
continue;
}
case OPCODE_ASSERT: {
CHECK_SPACE(2);
GET_VARIANT_PTR(test, 1);
#ifdef DEBUG_ENABLED
bool valid;
bool result = test->booleanize(valid);
if (!valid) {
err_text = "cannot evaluate conditional expression of type: " + Variant::get_type_name(test->get_type());
break;
}
if (!result) {
err_text = "Assertion failed.";
break;
}
#endif
ip += 2;
continue;
}
case OPCODE_BREAKPOINT: {
#ifdef DEBUG_ENABLED
if (ScriptDebugger::get_singleton()) {
GDScriptLanguage::get_singleton()->debug_break("Breakpoint Statement", true);
}
#endif
ip += 1;
continue;
}
case OPCODE_LINE: {
CHECK_SPACE(2);
line = _code_ptr[ip + 1];
ip += 2;
if (ScriptDebugger::get_singleton()) {
// line
bool do_break = false;
if (ScriptDebugger::get_singleton()->get_lines_left() > 0) {
if (ScriptDebugger::get_singleton()->get_depth() <= 0)
ScriptDebugger::get_singleton()->set_lines_left(ScriptDebugger::get_singleton()->get_lines_left() - 1);
if (ScriptDebugger::get_singleton()->get_lines_left() <= 0)
do_break = true;
}
if (ScriptDebugger::get_singleton()->is_breakpoint(line, source))
do_break = true;
if (do_break) {
GDScriptLanguage::get_singleton()->debug_break("Breakpoint", true);
}
ScriptDebugger::get_singleton()->line_poll();
}
continue;
}
case OPCODE_END: {
exit_ok = true;
break;
}
default: {
err_text = "Illegal opcode " + itos(_code_ptr[ip]) + " at address " + itos(ip);
break;
}
}
if (exit_ok)
break;
//error
// function, file, line, error, explanation
String err_file;
if (p_instance)
err_file = p_instance->script->path;
else if (_class)
err_file = _class->path;
if (err_file == "")
err_file = "<built-in>";
String err_func = name;
if (p_instance && p_instance->script->name != "")
err_func = p_instance->script->name + "." + err_func;
int err_line = line;
if (err_text == "") {
err_text = "Internal Script Error! - opcode #" + itos(last_opcode) + " (report please).";
}
if (!GDScriptLanguage::get_singleton()->debug_break(err_text, false)) {
// debugger break did not happen
_err_print_error(err_func.utf8().get_data(), err_file.utf8().get_data(), err_line, err_text.utf8().get_data(), ERR_HANDLER_SCRIPT);
}
break;
}
#ifdef DEBUG_ENABLED
if (GDScriptLanguage::get_singleton()->profiling) {
uint64_t time_taken = OS::get_singleton()->get_ticks_usec() - function_start_time;
profile.total_time += time_taken;
profile.self_time += time_taken - function_call_time;
profile.frame_total_time += time_taken;
profile.frame_self_time += time_taken - function_call_time;
GDScriptLanguage::get_singleton()->script_frame_time += time_taken - function_call_time;
}
#endif
if (ScriptDebugger::get_singleton())
GDScriptLanguage::get_singleton()->exit_function();
if (_stack_size) {
//free stack
for (int i = 0; i < _stack_size; i++)
stack[i].~Variant();
}
return retvalue;
}
static bool _guess_expression_type(GDCompletionContext& context,const GDParser::Node* p_node,int p_line,GDCompletionIdentifier &r_type) {
if (p_node->type==GDParser::Node::TYPE_CONSTANT) {
const GDParser::ConstantNode *cn=static_cast<const GDParser::ConstantNode *>(p_node);
r_type=_get_type_from_variant(cn->value);
return true;
} else if (p_node->type==GDParser::Node::TYPE_DICTIONARY) {
r_type.type=Variant::DICTIONARY;
//what the heck, fill it anyway
const GDParser::DictionaryNode *an = static_cast<const GDParser::DictionaryNode *>(p_node);
Dictionary d;
for(int i=0;i<an->elements.size();i++) {
GDCompletionIdentifier k;
if (_guess_expression_type(context,an->elements[i].key,p_line,k) && k.value.get_type()!=Variant::NIL) {
GDCompletionIdentifier v;
if (_guess_expression_type(context,an->elements[i].value,p_line,v)) {
d[k.value]=v.value;
}
}
}
r_type.value=d;
return true;
} else if (p_node->type==GDParser::Node::TYPE_ARRAY) {
r_type.type=Variant::ARRAY;
//what the heck, fill it anyway
const GDParser::ArrayNode *an = static_cast<const GDParser::ArrayNode *>(p_node);
Array arr;
arr.resize(an->elements.size());
for(int i=0;i<an->elements.size();i++) {
GDCompletionIdentifier ci;
if (_guess_expression_type(context,an->elements[i],p_line,ci)) {
arr[i]=ci.value;
}
}
r_type.value=arr;
return true;
} else if (p_node->type==GDParser::Node::TYPE_BUILT_IN_FUNCTION) {
MethodInfo mi = GDFunctions::get_info(static_cast<const GDParser::BuiltInFunctionNode*>(p_node)->function);
r_type=_get_type_from_pinfo(mi.return_val);
return true;
} else if (p_node->type==GDParser::Node::TYPE_IDENTIFIER) {
return _guess_identifier_type(context,p_line-1,static_cast<const GDParser::IdentifierNode *>(p_node)->name,r_type);
} else if (p_node->type==GDParser::Node::TYPE_SELF) {
//eeh...
r_type=_get_native_class(context);
return r_type.type!=Variant::NIL;
} else if (p_node->type==GDParser::Node::TYPE_OPERATOR) {
const GDParser::OperatorNode *op = static_cast<const GDParser::OperatorNode *>(p_node);
if (op->op==GDParser::OperatorNode::OP_CALL) {
if (op->arguments[0]->type==GDParser::Node::TYPE_TYPE) {
const GDParser::TypeNode *tn = static_cast<const GDParser::TypeNode *>(op->arguments[0]);
r_type.type=tn->vtype;
return true;
} else if (op->arguments[0]->type==GDParser::Node::TYPE_BUILT_IN_FUNCTION) {
const GDParser::BuiltInFunctionNode *bin = static_cast<const GDParser::BuiltInFunctionNode *>(op->arguments[0]);
return _guess_expression_type(context,bin,p_line,r_type);
} else if (op->arguments.size()>1 && op->arguments[1]->type==GDParser::Node::TYPE_IDENTIFIER) {
GDCompletionIdentifier base;
if (!_guess_expression_type(context,op->arguments[0],p_line,base))
return false;
StringName id = static_cast<const GDParser::IdentifierNode *>(op->arguments[1])->name;
if (base.type==Variant::OBJECT) {
if (id.operator String()=="new" && base.value.get_type()==Variant::OBJECT) {
Object *obj = base.value;
if (obj && obj->cast_to<GDNativeClass>()) {
GDNativeClass *gdnc = obj->cast_to<GDNativeClass>();
r_type.type=Variant::OBJECT;
r_type.value=Variant();
r_type.obj_type=gdnc->get_name();
return true;
}
}
if (ObjectTypeDB::has_method(base.obj_type,id)) {
#ifdef TOOLS_ENABLED
MethodBind *mb = ObjectTypeDB::get_method(base.obj_type,id);
PropertyInfo pi = mb->get_argument_info(-1);
//try calling the function if constant and all args are constant, should not crash..
Object *baseptr = base.value;
if (baseptr && mb->is_const() && pi.type==Variant::OBJECT) {
bool all_valid=true;
Vector<Variant> args;
for(int i=2;i<op->arguments.size();i++) {
GDCompletionIdentifier arg;
if (_guess_expression_type(context,op->arguments[i],p_line,arg)) {
if (arg.value.get_type()!=Variant::NIL && arg.value.get_type()!=Variant::OBJECT) { // calling with object seems dangerous, i don' t know
args.push_back(arg.value);
} else {
all_valid=false;
break;
}
} else {
all_valid=false;
}
}
if (all_valid) {
Vector<const Variant*> argptr;
for(int i=0;i<args.size();i++) {
argptr.push_back(&args[i]);
}
Variant::CallError ce;
Variant ret=mb->call(baseptr,argptr.ptr(),argptr.size(),ce);
if (ce.error==Variant::CallError::CALL_OK && ret.get_type()!=Variant::NIL) {
if (ret.get_type()!=Variant::OBJECT || ret.operator Object*()!=NULL) {
r_type=_get_type_from_variant(ret);
return true;
}
}
}
}
r_type.type=pi.type;
if (pi.hint==PROPERTY_HINT_RESOURCE_TYPE) {
r_type.obj_type=pi.hint_string;
}
return true;
#else
return false;
#endif
} else {
return false;
}
} else {
//method for some variant..
Variant::CallError ce;
Variant v = Variant::construct(base.type,NULL,0,ce);
List<MethodInfo> mi;
v.get_method_list(&mi);
for (List<MethodInfo>::Element *E=mi.front();E;E=E->next()) {
if (!E->get().name.begins_with("_") && E->get().name==id.operator String()) {
MethodInfo mi = E->get();
r_type.type=mi.return_val.type;
if (mi.return_val.hint==PROPERTY_HINT_RESOURCE_TYPE) {
r_type.obj_type=mi.return_val.hint_string;
}
return true;
}
}
}
}
} else if (op->op==GDParser::OperatorNode::OP_INDEX || op->op==GDParser::OperatorNode::OP_INDEX_NAMED) {
GDCompletionIdentifier p1;
GDCompletionIdentifier p2;
if (op->op==GDParser::OperatorNode::OP_INDEX_NAMED) {
if (op->arguments[1]->type==GDParser::Node::TYPE_IDENTIFIER) {
String id = static_cast<const GDParser::IdentifierNode*>(op->arguments[1])->name;
p2.type=Variant::STRING;
p2.value=id;
}
} else {
if (op->arguments[1]) {
if (!_guess_expression_type(context,op->arguments[1],p_line,p2)) {
return false;
}
}
}
if (op->arguments[0]->type==GDParser::Node::TYPE_ARRAY) {
const GDParser::ArrayNode *an = static_cast<const GDParser::ArrayNode *>(op->arguments[0]);
if (p2.value.is_num()) {
int index = p2.value;
if (index<0 || index>=an->elements.size())
return false;
return _guess_expression_type(context,an->elements[index],p_line,r_type);
}
} else if (op->arguments[0]->type==GDParser::Node::TYPE_DICTIONARY) {
const GDParser::DictionaryNode *dn = static_cast<const GDParser::DictionaryNode *>(op->arguments[0]);
if (p2.value.get_type()==Variant::NIL)
return false;
for(int i=0;i<dn->elements.size();i++) {
GDCompletionIdentifier k;
if (!_guess_expression_type(context,dn->elements[i].key,p_line,k)) {
return false;
}
if (k.value.get_type()==Variant::NIL)
return false;
if (k.value==p2.value) {
return _guess_expression_type(context,dn->elements[i].value,p_line,r_type);
}
}
} else {
if (op->arguments[0]) {
if (!_guess_expression_type(context,op->arguments[0],p_line,p1)) {
return false;
}
}
if (p1.value.get_type()==Variant::OBJECT) {
//??
} else if (p1.value.get_type()!=Variant::NIL) {
bool valid;
Variant ret = p1.value.get(p2.value,&valid);
if (valid) {
r_type=_get_type_from_variant(ret);
return true;
}
} else {
if (p1.type!=Variant::NIL) {
Variant::CallError ce;
Variant base = Variant::construct(p1.type,NULL,0,ce);
bool valid;
Variant ret = base.get(p2.value,&valid);
if (valid) {
r_type=_get_type_from_variant(ret);
return true;
}
}
}
}
} else {
Variant::Operator vop = Variant::OP_MAX;
switch(op->op) {
case GDParser::OperatorNode::OP_ADD: vop=Variant::OP_ADD; break;
case GDParser::OperatorNode::OP_SUB: vop=Variant::OP_SUBSTRACT; break;
case GDParser::OperatorNode::OP_MUL: vop=Variant::OP_MULTIPLY; break;
case GDParser::OperatorNode::OP_DIV: vop=Variant::OP_DIVIDE; break;
case GDParser::OperatorNode::OP_MOD: vop=Variant::OP_MODULE; break;
case GDParser::OperatorNode::OP_SHIFT_LEFT: vop=Variant::OP_SHIFT_LEFT; break;
case GDParser::OperatorNode::OP_SHIFT_RIGHT: vop=Variant::OP_SHIFT_RIGHT; break;
case GDParser::OperatorNode::OP_BIT_AND: vop=Variant::OP_BIT_AND; break;
case GDParser::OperatorNode::OP_BIT_OR: vop=Variant::OP_BIT_OR; break;
case GDParser::OperatorNode::OP_BIT_XOR: vop=Variant::OP_BIT_XOR; break;
default:{}
}
if (vop==Variant::OP_MAX)
return false;
GDCompletionIdentifier p1;
GDCompletionIdentifier p2;
if (op->arguments[0]) {
if (!_guess_expression_type(context,op->arguments[0],p_line,p1)) {
return false;
}
}
if (op->arguments.size()>1) {
if (!_guess_expression_type(context,op->arguments[1],p_line,p2)) {
return false;
}
}
Variant::CallError ce;
bool v1_use_value = p1.value.get_type()!=Variant::NIL && p1.value.get_type()!=Variant::OBJECT;
Variant v1 = (v1_use_value)?p1.value:Variant::construct(p1.type,NULL,0,ce);
bool v2_use_value = p2.value.get_type()!=Variant::NIL && p2.value.get_type()!=Variant::OBJECT;
Variant v2 = (v2_use_value)?p2.value:Variant::construct(p2.type,NULL,0,ce);
// avoid potential invalid ops
if ((vop==Variant::OP_DIVIDE || vop==Variant::OP_MODULE) && v2.get_type()==Variant::INT) {
v2=1;
v2_use_value=false;
}
if (vop==Variant::OP_DIVIDE && v2.get_type()==Variant::REAL) {
v2=1.0;
v2_use_value=false;
}
Variant r;
bool valid;
Variant::evaluate(vop,v1,v2,r,valid);
if (!valid)
return false;
r_type.type=r.get_type();
if (v1_use_value && v2_use_value)
r_type.value=r;
return true;
}
}
return false;
}
