473 lines
15 KiB
C++
473 lines
15 KiB
C++
/*************************************************************************/
|
|
/* gd_script.h */
|
|
/*************************************************************************/
|
|
/* 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. */
|
|
/*************************************************************************/
|
|
#ifndef GD_SCRIPT_H
|
|
#define GD_SCRIPT_H
|
|
|
|
#include "script_language.h"
|
|
#include "io/resource_loader.h"
|
|
#include "io/resource_saver.h"
|
|
#include "os/thread.h"
|
|
#include "pair.h"
|
|
class GDInstance;
|
|
class GDScript;
|
|
|
|
class GDFunction {
|
|
public:
|
|
|
|
enum Opcode {
|
|
OPCODE_OPERATOR,
|
|
OPCODE_EXTENDS_TEST,
|
|
OPCODE_SET,
|
|
OPCODE_GET,
|
|
OPCODE_SET_NAMED,
|
|
OPCODE_GET_NAMED,
|
|
OPCODE_ASSIGN,
|
|
OPCODE_ASSIGN_TRUE,
|
|
OPCODE_ASSIGN_FALSE,
|
|
OPCODE_CONSTRUCT, //only for basic types!!
|
|
OPCODE_CONSTRUCT_ARRAY,
|
|
OPCODE_CONSTRUCT_DICTIONARY,
|
|
OPCODE_CALL,
|
|
OPCODE_CALL_RETURN,
|
|
OPCODE_CALL_BUILT_IN,
|
|
OPCODE_CALL_SELF,
|
|
OPCODE_CALL_SELF_BASE,
|
|
OPCODE_JUMP,
|
|
OPCODE_JUMP_IF,
|
|
OPCODE_JUMP_IF_NOT,
|
|
OPCODE_JUMP_TO_DEF_ARGUMENT,
|
|
OPCODE_RETURN,
|
|
OPCODE_ITERATE_BEGIN,
|
|
OPCODE_ITERATE,
|
|
OPCODE_ASSERT,
|
|
OPCODE_LINE,
|
|
OPCODE_END
|
|
};
|
|
|
|
enum Address {
|
|
ADDR_BITS=24,
|
|
ADDR_MASK=((1<<ADDR_BITS)-1),
|
|
ADDR_TYPE_MASK=~ADDR_MASK,
|
|
ADDR_TYPE_SELF=0,
|
|
ADDR_TYPE_MEMBER=1,
|
|
ADDR_TYPE_CLASS_CONSTANT=2,
|
|
ADDR_TYPE_LOCAL_CONSTANT=3,
|
|
ADDR_TYPE_STACK=4,
|
|
ADDR_TYPE_STACK_VARIABLE=5,
|
|
ADDR_TYPE_GLOBAL=6,
|
|
ADDR_TYPE_NIL=7
|
|
};
|
|
|
|
struct StackDebug {
|
|
|
|
int line;
|
|
int pos;
|
|
bool added;
|
|
StringName identifier;
|
|
};
|
|
|
|
private:
|
|
friend class GDCompiler;
|
|
|
|
StringName source;
|
|
|
|
mutable Variant nil;
|
|
mutable Variant *_constants_ptr;
|
|
int _constant_count;
|
|
const StringName *_global_names_ptr;
|
|
int _global_names_count;
|
|
const int *_default_arg_ptr;
|
|
int _default_arg_count;
|
|
const int *_code_ptr;
|
|
int _code_size;
|
|
int _argument_count;
|
|
int _stack_size;
|
|
int _call_size;
|
|
int _initial_line;
|
|
bool _static;
|
|
GDScript *_script;
|
|
|
|
StringName name;
|
|
Vector<Variant> constants;
|
|
Vector<StringName> global_names;
|
|
Vector<int> default_arguments;
|
|
|
|
Vector<int> code;
|
|
|
|
List<StackDebug> stack_debug;
|
|
|
|
_FORCE_INLINE_ Variant *_get_variant(int p_address,GDInstance *p_instance,GDScript *p_script,Variant &self,Variant *p_stack,String& r_error) const;
|
|
_FORCE_INLINE_ String _get_call_error(const Variant::CallError& p_err, const String& p_where,const Variant**argptrs) const;
|
|
|
|
|
|
public:
|
|
|
|
|
|
_FORCE_INLINE_ bool is_static() const { return _static; }
|
|
|
|
const int* get_code() const; //used for debug
|
|
int get_code_size() const;
|
|
Variant get_constant(int p_idx) const;
|
|
StringName get_global_name(int p_idx) const;
|
|
StringName get_name() const;
|
|
int get_max_stack_size() const;
|
|
int get_default_argument_count() const;
|
|
int get_default_argument_addr(int p_idx) const;
|
|
GDScript *get_script() const { return _script; }
|
|
|
|
void debug_get_stack_member_state(int p_line,List<Pair<StringName,int> > *r_stackvars) const;
|
|
|
|
_FORCE_INLINE_ bool is_empty() const { return _code_size==0; }
|
|
|
|
int get_argument_count() const { return _argument_count; }
|
|
Variant call(GDInstance *p_instance,const Variant **p_args, int p_argcount,Variant::CallError& r_err);
|
|
|
|
GDFunction();
|
|
};
|
|
|
|
|
|
class GDNativeClass : public Reference {
|
|
|
|
OBJ_TYPE(GDNativeClass,Reference);
|
|
|
|
StringName name;
|
|
protected:
|
|
|
|
bool _get(const StringName& p_name,Variant &r_ret) const;
|
|
static void _bind_methods();
|
|
|
|
public:
|
|
|
|
_FORCE_INLINE_ const StringName& get_name() const { return name; }
|
|
Variant _new();
|
|
Object *instance();
|
|
GDNativeClass(const StringName& p_name);
|
|
};
|
|
|
|
|
|
class GDScript : public Script {
|
|
|
|
|
|
OBJ_TYPE(GDScript,Script);
|
|
bool tool;
|
|
bool valid;
|
|
|
|
|
|
friend class GDInstance;
|
|
friend class GDFunction;
|
|
friend class GDCompiler;
|
|
friend class GDFunctions;
|
|
Ref<GDNativeClass> native;
|
|
Ref<GDScript> base;
|
|
GDScript *_base; //fast pointer access
|
|
GDScript *_owner; //for subclasses
|
|
|
|
Set<StringName> members; //members are just indices to the instanced script.
|
|
Map<StringName,Variant> constants;
|
|
Map<StringName,GDFunction> member_functions;
|
|
Map<StringName,int> member_indices; //members are just indices to the instanced script.
|
|
Map<StringName,Ref<GDScript> > subclasses;
|
|
|
|
#ifdef TOOLS_ENABLED
|
|
Map<StringName,Variant> member_default_values;
|
|
#endif
|
|
Map<StringName,PropertyInfo> member_info;
|
|
|
|
GDFunction *initializer; //direct pointer to _init , faster to locate
|
|
|
|
int subclass_count;
|
|
Set<Object*> instances;
|
|
//exported members
|
|
String source;
|
|
String path;
|
|
String name;
|
|
|
|
|
|
GDInstance* _create_instance(const Variant** p_args,int p_argcount,Object *p_owner,bool p_isref);
|
|
|
|
void _set_subclass_path(Ref<GDScript>& p_sc,const String& p_path);
|
|
|
|
#ifdef TOOLS_ENABLED
|
|
Set<PlaceHolderScriptInstance*> placeholders;
|
|
void _update_placeholder(PlaceHolderScriptInstance *p_placeholder);
|
|
virtual void _placeholder_erased(PlaceHolderScriptInstance *p_placeholder);
|
|
#endif
|
|
|
|
|
|
protected:
|
|
bool _get(const StringName& p_name,Variant &r_ret) const;
|
|
bool _set(const StringName& p_name, const Variant& p_value);
|
|
void _get_property_list(List<PropertyInfo> *p_properties) const;
|
|
|
|
Variant call(const StringName& p_method,const Variant** p_args,int p_argcount,Variant::CallError &r_error);
|
|
// void call_multilevel(const StringName& p_method,const Variant** p_args,int p_argcount);
|
|
|
|
static void _bind_methods();
|
|
public:
|
|
|
|
|
|
const Map<StringName,Ref<GDScript> >& get_subclasses() const { return subclasses; }
|
|
const Map<StringName,Variant >& get_constants() const { return constants; }
|
|
const Set<StringName>& get_members() const { return members; }
|
|
const Map<StringName,GDFunction>& get_member_functions() const { return member_functions; }
|
|
const Ref<GDNativeClass>& get_native() const { return native; }
|
|
|
|
|
|
bool is_tool() const { return tool; }
|
|
Ref<GDScript> get_base() const;
|
|
|
|
const Map<StringName,int>& debug_get_member_indices() const { return member_indices; }
|
|
const Map<StringName,GDFunction>& debug_get_member_functions() const; //this is debug only
|
|
StringName debug_get_member_by_index(int p_idx) const;
|
|
|
|
Variant _new(const Variant** p_args,int p_argcount,Variant::CallError& r_error);
|
|
virtual bool can_instance() const;
|
|
|
|
virtual StringName get_instance_base_type() const; // this may not work in all scripts, will return empty if so
|
|
virtual ScriptInstance* instance_create(Object *p_this);
|
|
virtual bool instance_has(const Object *p_this) const;
|
|
|
|
virtual bool has_source_code() const;
|
|
virtual String get_source_code() const;
|
|
virtual void set_source_code(const String& p_code);
|
|
virtual Error reload();
|
|
|
|
virtual String get_node_type() const;
|
|
void set_script_path(const String& p_path) { path=p_path; } //because subclasses need a path too...
|
|
Error load_source_code(const String& p_path);
|
|
|
|
virtual ScriptLanguage *get_language() const;
|
|
|
|
GDScript();
|
|
};
|
|
|
|
class GDInstance : public ScriptInstance {
|
|
friend class GDScript;
|
|
friend class GDFunction;
|
|
friend class GDFunctions;
|
|
|
|
Object *owner;
|
|
Ref<GDScript> script;
|
|
Vector<Variant> members;
|
|
bool base_ref;
|
|
|
|
void _ml_call_reversed(GDScript *sptr,const StringName& p_method,const Variant** p_args,int p_argcount);
|
|
|
|
public:
|
|
|
|
virtual bool set(const StringName& p_name, const Variant& p_value);
|
|
virtual bool get(const StringName& p_name, Variant &r_ret) const;
|
|
virtual void get_property_list(List<PropertyInfo> *p_properties) const;
|
|
|
|
virtual void get_method_list(List<MethodInfo> *p_list) const;
|
|
virtual bool has_method(const StringName& p_method) const;
|
|
virtual Variant call(const StringName& p_method,const Variant** p_args,int p_argcount,Variant::CallError &r_error);
|
|
virtual void call_multilevel(const StringName& p_method,const Variant** p_args,int p_argcount);
|
|
virtual void call_multilevel_reversed(const StringName& p_method,const Variant** p_args,int p_argcount);
|
|
|
|
Variant debug_get_member_by_index(int p_idx) const { return members[p_idx]; }
|
|
|
|
virtual void notification(int p_notification);
|
|
|
|
virtual Ref<Script> get_script() const;
|
|
|
|
virtual ScriptLanguage *get_language();
|
|
|
|
void set_path(const String& p_path);
|
|
|
|
|
|
GDInstance();
|
|
~GDInstance();
|
|
|
|
};
|
|
|
|
class GDScriptLanguage : public ScriptLanguage {
|
|
|
|
static GDScriptLanguage *singleton;
|
|
|
|
Variant* _global_array;
|
|
Vector<Variant> global_array;
|
|
Map<StringName,int> globals;
|
|
|
|
|
|
struct CallLevel {
|
|
|
|
Variant *stack;
|
|
GDFunction *function;
|
|
GDInstance *instance;
|
|
int *ip;
|
|
int *line;
|
|
|
|
};
|
|
|
|
|
|
int _debug_parse_err_line;
|
|
String _debug_parse_err_file;
|
|
String _debug_error;
|
|
int _debug_call_stack_pos;
|
|
int _debug_max_call_stack;
|
|
CallLevel *_call_stack;
|
|
|
|
void _add_global(const StringName& p_name,const Variant& p_value);
|
|
|
|
|
|
public:
|
|
|
|
int calls;
|
|
|
|
bool debug_break(const String& p_error,bool p_allow_continue=true);
|
|
bool debug_break_parse(const String& p_file, int p_line,const String& p_error);
|
|
|
|
_FORCE_INLINE_ void enter_function(GDInstance *p_instance,GDFunction *p_function, Variant *p_stack, int *p_ip, int *p_line) {
|
|
|
|
if (Thread::get_main_ID()!=Thread::get_caller_ID())
|
|
return; //no support for other threads than main for now
|
|
|
|
if (ScriptDebugger::get_singleton()->get_lines_left()>0 && ScriptDebugger::get_singleton()->get_depth()>=0)
|
|
ScriptDebugger::get_singleton()->set_depth( ScriptDebugger::get_singleton()->get_depth() +1 );
|
|
|
|
if (_debug_call_stack_pos >= _debug_max_call_stack) {
|
|
//stack overflow
|
|
_debug_error="Stack Overflow (Stack Size: "+itos(_debug_max_call_stack)+")";
|
|
ScriptDebugger::get_singleton()->debug(this);
|
|
return;
|
|
}
|
|
|
|
_call_stack[_debug_call_stack_pos].stack=p_stack;
|
|
_call_stack[_debug_call_stack_pos].instance=p_instance;
|
|
_call_stack[_debug_call_stack_pos].function=p_function;
|
|
_call_stack[_debug_call_stack_pos].ip=p_ip;
|
|
_call_stack[_debug_call_stack_pos].line=p_line;
|
|
_debug_call_stack_pos++;
|
|
}
|
|
|
|
_FORCE_INLINE_ void exit_function() {
|
|
|
|
if (Thread::get_main_ID()!=Thread::get_caller_ID())
|
|
return; //no support for other threads than main for now
|
|
|
|
if (ScriptDebugger::get_singleton()->get_lines_left()>0 && ScriptDebugger::get_singleton()->get_depth()>=0)
|
|
ScriptDebugger::get_singleton()->set_depth( ScriptDebugger::get_singleton()->get_depth() -1 );
|
|
|
|
if (_debug_call_stack_pos==0) {
|
|
|
|
_debug_error="Stack Underflow (Engine Bug)";
|
|
ScriptDebugger::get_singleton()->debug(this);
|
|
return;
|
|
}
|
|
|
|
_debug_call_stack_pos--;
|
|
}
|
|
|
|
|
|
struct {
|
|
|
|
StringName _init;
|
|
StringName _notification;
|
|
StringName _set;
|
|
StringName _get;
|
|
StringName _get_property_list;
|
|
StringName _script_source;
|
|
|
|
} strings;
|
|
|
|
|
|
_FORCE_INLINE_ int get_global_array_size() const { return global_array.size(); }
|
|
_FORCE_INLINE_ Variant* get_global_array() { return _global_array; }
|
|
_FORCE_INLINE_ const Map<StringName,int>& get_global_map() { return globals; }
|
|
|
|
_FORCE_INLINE_ static GDScriptLanguage *get_singleton() { return singleton; }
|
|
|
|
virtual String get_name() const;
|
|
|
|
/* LANGUAGE FUNCTIONS */
|
|
virtual void init();
|
|
virtual String get_type() const;
|
|
virtual String get_extension() const;
|
|
virtual Error execute_file(const String& p_path) ;
|
|
virtual void finish();
|
|
|
|
/* EDITOR FUNCTIONS */
|
|
virtual void get_reserved_words(List<String> *p_words) const;
|
|
virtual void get_comment_delimiters(List<String> *p_delimiters) const;
|
|
virtual void get_string_delimiters(List<String> *p_delimiters) const;
|
|
virtual String get_template(const String& p_class_name, const String& p_base_class_name) const;
|
|
virtual bool 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=NULL) const;
|
|
virtual Script *create_script() const;
|
|
virtual bool has_named_classes() const;
|
|
virtual int find_function(const String& p_function,const String& p_code) const;
|
|
virtual String make_function(const String& p_class,const String& p_name,const StringArray& p_args) const;
|
|
virtual Error complete_keyword(const String& p_code, int p_line, const String& p_base_path,const String& p_keyword, List<String>* r_options);
|
|
|
|
/* DEBUGGER FUNCTIONS */
|
|
|
|
virtual String debug_get_error() const;
|
|
virtual int debug_get_stack_level_count() const;
|
|
virtual int debug_get_stack_level_line(int p_level) const;
|
|
virtual String debug_get_stack_level_function(int p_level) const;
|
|
virtual String debug_get_stack_level_source(int p_level) const;
|
|
virtual void debug_get_stack_level_locals(int p_level,List<String> *p_locals, List<Variant> *p_values, int p_max_subitems=-1,int p_max_depth=-1);
|
|
virtual void debug_get_stack_level_members(int p_level,List<String> *p_members, List<Variant> *p_values, int p_max_subitems=-1,int p_max_depth=-1);
|
|
virtual void debug_get_globals(List<String> *p_locals, List<Variant> *p_values, int p_max_subitems=-1,int p_max_depth=-1);
|
|
virtual String debug_parse_stack_level_expression(int p_level,const String& p_expression,int p_max_subitems=-1,int p_max_depth=-1);
|
|
|
|
virtual void frame();
|
|
|
|
virtual void get_public_functions(List<MethodInfo> *p_functions) const;
|
|
virtual void get_public_constants(List<Pair<String,Variant> > *p_constants) const;
|
|
|
|
/* LOADER FUNCTIONS */
|
|
|
|
virtual void get_recognized_extensions(List<String> *p_extensions) const;
|
|
|
|
GDScriptLanguage();
|
|
~GDScriptLanguage();
|
|
};
|
|
|
|
|
|
class ResourceFormatLoaderGDScript : public ResourceFormatLoader {
|
|
public:
|
|
|
|
virtual RES load(const String &p_path,const String& p_original_path="");
|
|
virtual void get_recognized_extensions(List<String> *p_extensions) const;
|
|
virtual bool handles_type(const String& p_type) const;
|
|
virtual String get_resource_type(const String &p_path) const;
|
|
|
|
};
|
|
|
|
class ResourceFormatSaverGDScript : public ResourceFormatSaver {
|
|
public:
|
|
|
|
virtual Error save(const String &p_path,const RES& p_resource,uint32_t p_flags=0);
|
|
virtual void get_recognized_extensions(const RES& p_resource,List<String> *p_extensions) const;
|
|
virtual bool recognize(const RES& p_resource) const;
|
|
|
|
};
|
|
|
|
#endif // GD_SCRIPT_H
|