godot/core/script_language.cpp
2017-08-27 14:16:55 +02:00

399 lines
10 KiB
C++

/*************************************************************************/
/* script_language.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 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 "script_language.h"
ScriptLanguage *ScriptServer::_languages[MAX_LANGUAGES];
int ScriptServer::_language_count = 0;
bool ScriptServer::scripting_enabled = true;
bool ScriptServer::reload_scripts_on_save = false;
ScriptEditRequestFunction ScriptServer::edit_request_func = NULL;
void Script::_notification(int p_what) {
if (p_what == NOTIFICATION_POSTINITIALIZE) {
if (ScriptDebugger::get_singleton())
ScriptDebugger::get_singleton()->set_break_language(get_language());
}
}
void Script::_bind_methods() {
ClassDB::bind_method(D_METHOD("can_instance"), &Script::can_instance);
//ClassDB::bind_method(D_METHOD("instance_create","base_object"),&Script::instance_create);
ClassDB::bind_method(D_METHOD("instance_has", "base_object"), &Script::instance_has);
ClassDB::bind_method(D_METHOD("has_source_code"), &Script::has_source_code);
ClassDB::bind_method(D_METHOD("get_source_code"), &Script::get_source_code);
ClassDB::bind_method(D_METHOD("set_source_code", "source"), &Script::set_source_code);
ClassDB::bind_method(D_METHOD("reload", "keep_state"), &Script::reload, DEFVAL(false));
}
void ScriptServer::set_scripting_enabled(bool p_enabled) {
scripting_enabled = p_enabled;
}
bool ScriptServer::is_scripting_enabled() {
return scripting_enabled;
}
ScriptLanguage *ScriptServer::get_language(int p_idx) {
ERR_FAIL_INDEX_V(p_idx, _language_count, NULL);
return _languages[p_idx];
}
void ScriptServer::register_language(ScriptLanguage *p_language) {
ERR_FAIL_COND(_language_count >= MAX_LANGUAGES);
_languages[_language_count++] = p_language;
}
void ScriptServer::unregister_language(ScriptLanguage *p_language) {
for (int i = 0; i < _language_count; i++) {
if (_languages[i] == p_language) {
_language_count--;
if (i < _language_count) {
SWAP(_languages[i], _languages[_language_count]);
}
return;
}
}
}
void ScriptServer::init_languages() {
for (int i = 0; i < _language_count; i++) {
_languages[i]->init();
}
}
void ScriptServer::finish_languages() {
for (int i = 0; i < _language_count; i++) {
_languages[i]->finish();
}
}
void ScriptServer::set_reload_scripts_on_save(bool p_enable) {
reload_scripts_on_save = p_enable;
}
bool ScriptServer::is_reload_scripts_on_save_enabled() {
return reload_scripts_on_save;
}
void ScriptServer::thread_enter() {
for (int i = 0; i < _language_count; i++) {
_languages[i]->thread_enter();
}
}
void ScriptServer::thread_exit() {
for (int i = 0; i < _language_count; i++) {
_languages[i]->thread_exit();
}
}
void ScriptInstance::get_property_state(List<Pair<StringName, Variant> > &state) {
List<PropertyInfo> pinfo;
get_property_list(&pinfo);
for (List<PropertyInfo>::Element *E = pinfo.front(); E; E = E->next()) {
if (E->get().usage & PROPERTY_USAGE_STORAGE) {
Pair<StringName, Variant> p;
p.first = E->get().name;
if (get(p.first, p.second))
state.push_back(p);
}
}
}
Variant ScriptInstance::call(const StringName &p_method, VARIANT_ARG_DECLARE) {
VARIANT_ARGPTRS;
int argc = 0;
for (int i = 0; i < VARIANT_ARG_MAX; i++) {
if (argptr[i]->get_type() == Variant::NIL)
break;
argc++;
}
Variant::CallError error;
return call(p_method, argptr, argc, error);
}
void ScriptInstance::call_multilevel(const StringName &p_method, const Variant **p_args, int p_argcount) {
Variant::CallError ce;
call(p_method, p_args, p_argcount, ce); // script may not support multilevel calls
}
void ScriptInstance::call_multilevel_reversed(const StringName &p_method, const Variant **p_args, int p_argcount) {
Variant::CallError ce;
call(p_method, p_args, p_argcount, ce); // script may not support multilevel calls
}
void ScriptInstance::call_multilevel(const StringName &p_method, VARIANT_ARG_DECLARE) {
VARIANT_ARGPTRS;
int argc = 0;
for (int i = 0; i < VARIANT_ARG_MAX; i++) {
if (argptr[i]->get_type() == Variant::NIL)
break;
argc++;
}
Variant::CallError error;
call_multilevel(p_method, argptr, argc);
}
ScriptInstance::~ScriptInstance() {
}
ScriptCodeCompletionCache *ScriptCodeCompletionCache::singleton = NULL;
ScriptCodeCompletionCache::ScriptCodeCompletionCache() {
singleton = this;
}
void ScriptLanguage::frame() {
}
ScriptDebugger *ScriptDebugger::singleton = NULL;
void ScriptDebugger::set_lines_left(int p_left) {
lines_left = p_left;
}
int ScriptDebugger::get_lines_left() const {
return lines_left;
}
void ScriptDebugger::set_depth(int p_depth) {
depth = p_depth;
}
int ScriptDebugger::get_depth() const {
return depth;
}
void ScriptDebugger::insert_breakpoint(int p_line, const StringName &p_source) {
if (!breakpoints.has(p_line))
breakpoints[p_line] = Set<StringName>();
breakpoints[p_line].insert(p_source);
}
void ScriptDebugger::remove_breakpoint(int p_line, const StringName &p_source) {
if (!breakpoints.has(p_line))
return;
breakpoints[p_line].erase(p_source);
if (breakpoints[p_line].size() == 0)
breakpoints.erase(p_line);
}
bool ScriptDebugger::is_breakpoint(int p_line, const StringName &p_source) const {
if (!breakpoints.has(p_line))
return false;
return breakpoints[p_line].has(p_source);
}
bool ScriptDebugger::is_breakpoint_line(int p_line) const {
return breakpoints.has(p_line);
}
String ScriptDebugger::breakpoint_find_source(const String &p_source) const {
return p_source;
}
void ScriptDebugger::clear_breakpoints() {
breakpoints.clear();
}
void ScriptDebugger::idle_poll() {
}
void ScriptDebugger::line_poll() {
}
void ScriptDebugger::set_break_language(ScriptLanguage *p_lang) {
break_lang = p_lang;
}
ScriptLanguage *ScriptDebugger::get_break_language() const {
return break_lang;
}
ScriptDebugger::ScriptDebugger() {
singleton = this;
lines_left = -1;
depth = -1;
break_lang = NULL;
}
bool PlaceHolderScriptInstance::set(const StringName &p_name, const Variant &p_value) {
if (values.has(p_name)) {
Variant defval;
if (script->get_property_default_value(p_name, defval)) {
if (defval == p_value) {
values.erase(p_name);
return true;
}
}
values[p_name] = p_value;
return true;
} else {
Variant defval;
if (script->get_property_default_value(p_name, defval)) {
if (defval != p_value) {
values[p_name] = p_value;
}
return true;
}
}
return false;
}
bool PlaceHolderScriptInstance::get(const StringName &p_name, Variant &r_ret) const {
if (values.has(p_name)) {
r_ret = values[p_name];
return true;
}
Variant defval;
if (script->get_property_default_value(p_name, defval)) {
r_ret = defval;
return true;
}
return false;
}
void PlaceHolderScriptInstance::get_property_list(List<PropertyInfo> *p_properties) const {
for (const List<PropertyInfo>::Element *E = properties.front(); E; E = E->next()) {
PropertyInfo pinfo = E->get();
if (!values.has(pinfo.name)) {
pinfo.usage |= PROPERTY_USAGE_SCRIPT_DEFAULT_VALUE;
}
p_properties->push_back(E->get());
}
}
Variant::Type PlaceHolderScriptInstance::get_property_type(const StringName &p_name, bool *r_is_valid) const {
if (values.has(p_name)) {
if (r_is_valid)
*r_is_valid = true;
return values[p_name].get_type();
}
if (r_is_valid)
*r_is_valid = false;
return Variant::NIL;
}
void PlaceHolderScriptInstance::update(const List<PropertyInfo> &p_properties, const Map<StringName, Variant> &p_values) {
Set<StringName> new_values;
for (const List<PropertyInfo>::Element *E = p_properties.front(); E; E = E->next()) {
StringName n = E->get().name;
new_values.insert(n);
if (!values.has(n) || values[n].get_type() != E->get().type) {
if (p_values.has(n))
values[n] = p_values[n];
}
}
properties = p_properties;
List<StringName> to_remove;
for (Map<StringName, Variant>::Element *E = values.front(); E; E = E->next()) {
if (!new_values.has(E->key()))
to_remove.push_back(E->key());
Variant defval;
if (script->get_property_default_value(E->key(), defval)) {
//remove because it's the same as the default value
if (defval == E->get()) {
to_remove.push_back(E->key());
}
}
}
while (to_remove.size()) {
values.erase(to_remove.front()->get());
to_remove.pop_front();
}
if (owner && owner->get_script_instance() == this) {
owner->_change_notify();
}
//change notify
}
PlaceHolderScriptInstance::PlaceHolderScriptInstance(ScriptLanguage *p_language, Ref<Script> p_script, Object *p_owner)
: owner(p_owner),
language(p_language),
script(p_script) {
}
PlaceHolderScriptInstance::~PlaceHolderScriptInstance() {
if (script.is_valid()) {
script->_placeholder_erased(this);
}
}