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virtualx-engine/script/gdscript/gd_editor.cpp
Juan Linietsky 0b806ee0fc GODOT IS OPEN SOURCE
2014-02-09 22:10:30 -03:00

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20 KiB
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/*************************************************************************/
/* gd_editor.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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 "gd_script.h"
#include "gd_compiler.h"
void GDScriptLanguage::get_comment_delimiters(List<String> *p_delimiters) const {
p_delimiters->push_back("#");
}
void GDScriptLanguage::get_string_delimiters(List<String> *p_delimiters) const {
p_delimiters->push_back("\" \"");
p_delimiters->push_back("' '");
}
String GDScriptLanguage::get_template(const String& p_class_name, const String& p_base_class_name) const {
String _template = String()+
"\nextends %BASE%\n\n"+
"# member variables here, example:\n"+
"# var a=2\n"+
"# var b=\"textvar\"\n\n"+
"func _ready():\n"+
"\t# Initalization here\n"+
"\tpass\n"+
"\n"+
"\n";
return _template.replace("%BASE%",p_base_class_name);
}
bool GDScriptLanguage::validate(const String& p_script, int &r_line_error,int &r_col_error,String& r_test_error, const String& p_path,List<String> *r_functions) const {
GDParser parser;
Error err = parser.parse(p_script,p_path.get_base_dir());
if (err) {
r_line_error=parser.get_error_line();
r_col_error=parser.get_error_column();
r_test_error=parser.get_error();
return false;
} else {
const GDParser::Node *root = parser.get_parse_tree();
ERR_FAIL_COND_V(root->type!=GDParser::Node::TYPE_CLASS,false);
const GDParser::ClassNode *cl = static_cast<const GDParser::ClassNode*>(root);
Map<int,String> funcs;
for(int i=0;i<cl->functions.size();i++) {
funcs[cl->functions[i]->line]=cl->functions[i]->name;
}
for(int i=0;i<cl->static_functions.size();i++) {
funcs[cl->static_functions[i]->line]=cl->static_functions[i]->name;
}
for (Map<int,String>::Element *E=funcs.front();E;E=E->next()) {
r_functions->push_back(E->get()+":"+itos(E->key()));
}
}
return true;
}
bool GDScriptLanguage::has_named_classes() const {
return false;
}
int GDScriptLanguage::find_function(const String& p_function,const String& p_code) const {
GDTokenizer tokenizer;
tokenizer.set_code(p_code);
int indent=0;
while(tokenizer.get_token()!=GDTokenizer::TK_EOF && tokenizer.get_token()!=GDTokenizer::TK_ERROR) {
if (tokenizer.get_token()==GDTokenizer::TK_NEWLINE) {
indent=tokenizer.get_token_line_indent();
}
if (indent==0 && tokenizer.get_token()==GDTokenizer::TK_PR_FUNCTION && tokenizer.get_token(1)==GDTokenizer::TK_IDENTIFIER) {
String identifier = tokenizer.get_token_identifier(1);
if (identifier==p_function) {
return tokenizer.get_token_line();
}
}
tokenizer.advance();
}
return -1;
}
Script *GDScriptLanguage::create_script() const {
return memnew( GDScript );
}
/* DEBUGGER FUNCTIONS */
bool GDScriptLanguage::debug_break_parse(const String& p_file, int p_line,const String& p_error) {
//break because of parse error
if (ScriptDebugger::get_singleton() && Thread::get_caller_ID()==Thread::get_main_ID()) {
_debug_parse_err_line=p_line;
_debug_parse_err_file=p_file;
_debug_error=p_error;
ScriptDebugger::get_singleton()->debug(this,false);
return true;
} else {
return false;
}
}
bool GDScriptLanguage::debug_break(const String& p_error,bool p_allow_continue) {
if (ScriptDebugger::get_singleton() && Thread::get_caller_ID()==Thread::get_main_ID()) {
_debug_parse_err_line=-1;
_debug_parse_err_file="";
_debug_error=p_error;
ScriptDebugger::get_singleton()->debug(this,p_allow_continue);
return true;
} else {
return false;
}
}
String GDScriptLanguage::debug_get_error() const {
return _debug_error;
}
int GDScriptLanguage::debug_get_stack_level_count() const {
if (_debug_parse_err_line>=0)
return 1;
return _debug_call_stack_pos;
}
int GDScriptLanguage::debug_get_stack_level_line(int p_level) const {
if (_debug_parse_err_line>=0)
return _debug_parse_err_line;
ERR_FAIL_INDEX_V(p_level,_debug_call_stack_pos,-1);
int l = _debug_call_stack_pos - p_level -1;
return *(_call_stack[l].line);
}
String GDScriptLanguage::debug_get_stack_level_function(int p_level) const {
if (_debug_parse_err_line>=0)
return "";
ERR_FAIL_INDEX_V(p_level,_debug_call_stack_pos,"");
int l = _debug_call_stack_pos - p_level -1;
return _call_stack[l].function->get_name();
}
String GDScriptLanguage::debug_get_stack_level_source(int p_level) const {
if (_debug_parse_err_line>=0)
return _debug_parse_err_file;
ERR_FAIL_INDEX_V(p_level,_debug_call_stack_pos,"");
int l = _debug_call_stack_pos - p_level -1;
return _call_stack[l].function->get_script()->get_path();
}
void GDScriptLanguage::debug_get_stack_level_locals(int p_level,List<String> *p_locals, List<Variant> *p_values, int p_max_subitems,int p_max_depth) {
if (_debug_parse_err_line>=0)
return;
ERR_FAIL_INDEX(p_level,_debug_call_stack_pos);
int l = _debug_call_stack_pos - p_level -1;
GDFunction *f = _call_stack[l].function;
List<Pair<StringName,int> > locals;
f->debug_get_stack_member_state(*_call_stack[l].line,&locals);
for( List<Pair<StringName,int> >::Element *E = locals.front();E;E=E->next() ) {
p_locals->push_back(E->get().first);
p_values->push_back(_call_stack[l].stack[E->get().second]);
}
}
void GDScriptLanguage::debug_get_stack_level_members(int p_level,List<String> *p_members, List<Variant> *p_values, int p_max_subitems,int p_max_depth) {
if (_debug_parse_err_line>=0)
return;
ERR_FAIL_INDEX(p_level,_debug_call_stack_pos);
int l = _debug_call_stack_pos - p_level -1;
GDInstance *instance = _call_stack[l].instance;
if (!instance)
return;
Ref<GDScript> script = instance->get_script();
ERR_FAIL_COND( script.is_null() );
const Map<StringName,int>& mi = script->debug_get_member_indices();
for(const Map<StringName,int>::Element *E=mi.front();E;E=E->next()) {
p_members->push_back(E->key());
p_values->push_back( instance->debug_get_member_by_index(E->get()));
}
}
void GDScriptLanguage::debug_get_globals(List<String> *p_locals, List<Variant> *p_values, int p_max_subitems,int p_max_depth) {
//no globals are really reachable in gdscript
}
String GDScriptLanguage::debug_parse_stack_level_expression(int p_level,const String& p_expression,int p_max_subitems,int p_max_depth) {
if (_debug_parse_err_line>=0)
return "";
return "";
}
void GDScriptLanguage::get_recognized_extensions(List<String> *p_extensions) const {
p_extensions->push_back("gd");
}
void GDScriptLanguage::get_public_functions(List<MethodInfo> *p_functions) const {
for(int i=0;i<GDFunctions::FUNC_MAX;i++) {
p_functions->push_back(GDFunctions::get_info(GDFunctions::Function(i)));
}
}
String GDScriptLanguage::make_function(const String& p_class,const String& p_name,const StringArray& p_args) const {
String s="func "+p_name+"(";
if (p_args.size()) {
s+=" ";
for(int i=0;i<p_args.size();i++) {
if (i>0)
s+=", ";
s+=p_args[i];
}
s+=" ";
}
s+="):\n\tpass # replace with function body\n";
return s;
}
static void _parse_native_symbols(const StringName& p_native,bool p_static,List<String>* r_options) {
if (!p_static) {
List<MethodInfo> methods;
ObjectTypeDB::get_method_list(p_native,&methods);
for(List<MethodInfo>::Element *E=methods.front();E;E=E->next()) {
if (!E->get().name.begins_with("_")) {
r_options->push_back(E->get().name);
}
}
}
List<String> constants;
ObjectTypeDB::get_integer_constant_list(p_native,&constants);
for(List<String>::Element *E=constants.front();E;E=E->next()) {
r_options->push_back(E->get());
}
}
static bool _parse_script_symbols(const Ref<GDScript>& p_script,bool p_static,List<String>* r_options,List<String>::Element *p_indices);
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;
}
}
static void _parse_expression_node(const GDParser::Node *p_node,List<String>* r_options,List<String>::Element *p_indices) {
if (p_node->type==GDParser::Node::TYPE_CONSTANT) {
const GDParser::ConstantNode *cn=static_cast<const GDParser::ConstantNode *>(p_node);
_parse_completion_variant(cn->value,r_options,p_indices?p_indices->next():NULL);
} else if (p_node->type==GDParser::Node::TYPE_DICTIONARY) {
const GDParser::DictionaryNode *dn=static_cast<const GDParser::DictionaryNode*>(p_node);
for(int i=0;i<dn->elements.size();i++) {
if (dn->elements[i].key->type==GDParser::Node::TYPE_CONSTANT) {
const GDParser::ConstantNode *cn=static_cast<const GDParser::ConstantNode *>(dn->elements[i].key);
if (cn->value.get_type()==Variant::STRING) {
String str=cn->value;
if (p_indices) {
if (str==p_indices->get()) {
_parse_expression_node(dn->elements[i].value,r_options,p_indices->next());
return;
}
} else {
r_options->push_back(str);
}
}
}
}
}
}
static bool _parse_completion_block(const GDParser::BlockNode *p_block,int p_line,List<String>* r_options,List<String>::Element *p_indices) {
for(int i=0;i<p_block->sub_blocks.size();i++) {
//parse inner first
if (p_line>=p_block->sub_blocks[i]->line && (p_line<=p_block->sub_blocks[i]->end_line || p_block->sub_blocks[i]->end_line==-1)) {
if (_parse_completion_block(p_block->sub_blocks[i],p_line,r_options,p_indices))
return true;
}
}
if (p_indices) {
//parse indices in expressions :|
for (int i=0;i<p_block->statements.size();i++) {
if (p_block->statements[i]->line>p_line)
break;
if (p_block->statements[i]->type==GDParser::BlockNode::TYPE_LOCAL_VAR) {
const GDParser::LocalVarNode *lv=static_cast<const GDParser::LocalVarNode *>(p_block->statements[i]);
if (lv->assign && String(lv->name)==p_indices->get()) {
_parse_expression_node(lv->assign,r_options,p_indices->next());
return true;
}
}
}
} else {
for(int i=0;i<p_block->variables.size();i++) {
//parse variables second
if (p_line>=p_block->variable_lines[i]) {
r_options->push_back(p_block->variables[i]);
}
else break;
}
}
return false;
}
static bool _parse_script_symbols(const Ref<GDScript>& p_script,bool p_static,List<String>* r_options,List<String>::Element *p_indices) {
//for (Map<StringName,Ref<GDScript> >::Element ?
if (!p_static && !p_indices) {
for(const Set<StringName>::Element *E=p_script->get_members().front();E;E=E->next()) {
r_options->push_back(E->get());
}
}
for (const Map<StringName,Variant >::Element *E=p_script->get_constants().front();E;E=E->next()) {
if( p_indices) {
if (p_indices->get()==String(E->get())) {
_parse_completion_variant(E->get(),r_options,p_indices->next());
return true;
}
} else {
r_options->push_back(E->key());
}
}
if (!p_indices){
for (const Map<StringName,GDFunction>::Element *E=p_script->get_member_functions().front();E;E=E->next()) {
if (E->get().is_static() || !p_static)
r_options->push_back(E->key());
}
}
if (p_script->get_base().is_valid()){
if (_parse_script_symbols(p_script->get_base(),p_static,r_options,p_indices))
return true;
} else if (p_script->get_native().is_valid() && !p_indices) {
_parse_native_symbols(p_script->get_native()->get_name(),p_static,r_options);
}
return false;
}
static bool _parse_completion_class(const String& p_base_path,const GDParser::ClassNode *p_class,int p_line,List<String>* r_options,List<String>::Element *p_indices) {
static const char*_type_names[Variant::VARIANT_MAX]={
"null","bool","int","float","String","Vector2","Rect2","Vector3","Matrix32","Plane","Quat","AABB","Matrix3","Trasnform",
"Color","Image","NodePath","RID","Object","InputEvent","Dictionary","Array","RawArray","IntArray","FloatArray","StringArray",
"Vector2Array","Vector3Array","ColorArray"};
if (p_indices && !p_indices->next()) {
for(int i=0;i<Variant::VARIANT_MAX;i++) {
if (p_indices->get()==_type_names[i]) {
List<StringName> ic;
Variant::get_numeric_constants_for_type(Variant::Type(i),&ic);
for(List<StringName>::Element *E=ic.front();E;E=E->next()) {
r_options->push_back(E->get());
}
return true;
}
}
}
for(int i=0;i<p_class->subclasses.size();i++) {
if (p_line>=p_class->subclasses[i]->line && (p_line<=p_class->subclasses[i]->end_line || p_class->subclasses[i]->end_line==-1)) {
if (_parse_completion_class(p_base_path,p_class->subclasses[i],p_line,r_options,p_indices))
return true;
}
}
bool in_static_func=false;
for(int i=0;i<p_class->functions.size();i++) {
const GDParser::FunctionNode *fu = p_class->functions[i];
if (p_line>=fu->body->line && (p_line<=fu->body->end_line || fu->body->end_line==-1)) {
//if in function, first block stuff from outer to inner
if (_parse_completion_block(fu->body,p_line,r_options,p_indices))
return true;
//then function arguments
if (!p_indices) {
for(int j=0;j<fu->arguments.size();j++) {
r_options->push_back(fu->arguments[j]);
}
}
}
}
for(int i=0;i<p_class->static_functions.size();i++) {
const GDParser::FunctionNode *fu = p_class->static_functions[i];
if (p_line>=fu->body->line && (p_line<=fu->body->end_line || fu->body->end_line==-1)) {
//if in function, first block stuff from outer to inne
if (_parse_completion_block(fu->body,p_line,r_options,p_indices))
return true;
//then function arguments
if (!p_indices) {
for(int j=0;j<fu->arguments.size();j++) {
r_options->push_back(fu->arguments[j]);
}
}
in_static_func=true;
}
}
//add all local names
if (!p_indices) {
if (!in_static_func) {
for(int i=0;i<p_class->variables.size();i++) {
r_options->push_back(p_class->variables[i].identifier);
}
}
for(int i=0;i<p_class->constant_expressions.size();i++) {
r_options->push_back(p_class->constant_expressions[i].identifier);
}
if (!in_static_func) {
for(int i=0;i<p_class->functions.size();i++) {
r_options->push_back(p_class->functions[i]->name);
}
}
for(int i=0;i<p_class->static_functions.size();i++) {
r_options->push_back(p_class->static_functions[i]->name);
}
}
if (p_class->extends_used) {
//do inheritance
String path = p_class->extends_file;
Ref<GDScript> script;
Ref<GDNativeClass> native;
if (path!="") {
//path (and optionally subclasses)
script = ResourceLoader::load(path);
if (script.is_null()) {
return false;
}
if (p_class->extends_class.size()) {
for(int i=0;i<p_class->extends_class.size();i++) {
String sub = p_class->extends_class[i];
if (script->get_subclasses().has(sub)) {
script=script->get_subclasses()[sub];
} else {
return false;
}
}
}
} else {
ERR_FAIL_COND_V(p_class->extends_class.size()==0,false);
//look around for the subclasses
String base=p_class->extends_class[0];
Ref<GDScript> base_class;
#if 0
while(p) {
if (p->subclasses.has(base)) {
base_class=p->subclasses[base];
break;
}
p=p->_owner;
}
if (base_class.is_valid()) {
for(int i=1;i<p_class->extends_class.size();i++) {
String subclass=p_class->extends_class[i];
if (base_class->subclasses.has(subclass)) {
base_class=base_class->subclasses[subclass];
} else {
_set_error("Could not find subclass: "+subclass,p_class);
return ERR_FILE_NOT_FOUND;
}
}
} else {
#endif
if (p_class->extends_class.size()>1) {
return false;
}
//if not found, try engine classes
if (!GDScriptLanguage::get_singleton()->get_global_map().has(base)) {
return false;
}
int base_idx = GDScriptLanguage::get_singleton()->get_global_map()[base];
native = GDScriptLanguage::get_singleton()->get_global_array()[base_idx];
if (!native.is_valid()) {
return false;
}
#if 0
}
#endif
}
if (script.is_valid()) {
if (_parse_script_symbols(script,in_static_func,r_options,p_indices))
return true;
} else if (native.is_valid() && !p_indices) {
_parse_native_symbols(native->get_name(),in_static_func,r_options);
}
}
return false;
}
Error GDScriptLanguage::complete_keyword(const String& p_code, int p_line, const String& p_base_path, const String& p_base, List<String>* r_options) {
GDParser p;
Error err = p.parse(p_code,p_base_path);
// don't care much about error I guess
const GDParser::Node* root = p.get_parse_tree();
ERR_FAIL_COND_V(root->type!=GDParser::Node::TYPE_CLASS,ERR_INVALID_DATA);
const GDParser::ClassNode *cl = static_cast<const GDParser::ClassNode*>(root);
List<String> indices;
Vector<String> spl = p_base.split(".");
for(int i=0;i<spl.size()-1;i++) {
indices.push_back(spl[i]);
}
if (_parse_completion_class(p_base,cl,p_line,r_options,indices.front()))
return OK;
//and the globals x_x?
for(Map<StringName,int>::Element *E=globals.front();E;E=E->next()) {
if (!indices.empty()) {
if (String(E->key())==indices.front()->get()) {
_parse_completion_variant(global_array[E->get()],r_options,indices.front()->next());
return OK;
}
} else {
r_options->push_back(E->key());
}
}
return OK;
}
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