441 lines
15 KiB
C++
441 lines
15 KiB
C++
/*************************************************************************/
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/* gd_script.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef GD_SCRIPT_H
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#define GD_SCRIPT_H
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#include "script_language.h"
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#include "io/resource_loader.h"
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#include "io/resource_saver.h"
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#include "gd_function.h"
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class GDNativeClass : public Reference {
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OBJ_TYPE(GDNativeClass,Reference);
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StringName name;
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protected:
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bool _get(const StringName& p_name,Variant &r_ret) const;
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static void _bind_methods();
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public:
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_FORCE_INLINE_ const StringName& get_name() const { return name; }
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Variant _new();
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Object *instance();
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GDNativeClass(const StringName& p_name);
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};
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class GDScript : public Script {
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OBJ_TYPE(GDScript,Script);
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bool tool;
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bool valid;
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struct MemberInfo {
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int index;
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StringName setter;
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StringName getter;
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};
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friend class GDInstance;
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friend class GDFunction;
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friend class GDCompiler;
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friend class GDFunctions;
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friend class GDScriptLanguage;
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Variant _static_ref; //used for static call
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Ref<GDNativeClass> native;
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Ref<GDScript> base;
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GDScript *_base; //fast pointer access
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GDScript *_owner; //for subclasses
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Set<StringName> members; //members are just indices to the instanced script.
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Map<StringName,Variant> constants;
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Map<StringName,GDFunction*> member_functions;
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Map<StringName,MemberInfo> member_indices; //members are just indices to the instanced script.
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Map<StringName,Ref<GDScript> > subclasses;
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Map<StringName,Vector<StringName> > _signals;
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#ifdef TOOLS_ENABLED
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Map<StringName,Variant> member_default_values;
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List<PropertyInfo> members_cache;
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Map<StringName,Variant> member_default_values_cache;
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Ref<GDScript> base_cache;
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Set<ObjectID> inheriters_cache;
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bool source_changed_cache;
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void _update_exports_values(Map<StringName,Variant>& values, List<PropertyInfo> &propnames);
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#endif
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Map<StringName,PropertyInfo> member_info;
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GDFunction *initializer; //direct pointer to _init , faster to locate
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int subclass_count;
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Set<Object*> instances;
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//exported members
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String source;
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String path;
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String name;
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SelfList<GDScript> script_list;
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GDInstance* _create_instance(const Variant** p_args,int p_argcount,Object *p_owner,bool p_isref,Variant::CallError &r_error);
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void _set_subclass_path(Ref<GDScript>& p_sc,const String& p_path);
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#ifdef TOOLS_ENABLED
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Set<PlaceHolderScriptInstance*> placeholders;
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//void _update_placeholder(PlaceHolderScriptInstance *p_placeholder);
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virtual void _placeholder_erased(PlaceHolderScriptInstance *p_placeholder);
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#endif
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#ifdef DEBUG_ENABLED
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Map<ObjectID,List<Pair<StringName,Variant> > > pending_reload_state;
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#endif
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bool _update_exports();
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protected:
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bool _get(const StringName& p_name,Variant &r_ret) const;
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bool _set(const StringName& p_name, const Variant& p_value);
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void _get_property_list(List<PropertyInfo> *p_properties) const;
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Variant call(const StringName& p_method,const Variant** p_args,int p_argcount,Variant::CallError &r_error);
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// void call_multilevel(const StringName& p_method,const Variant** p_args,int p_argcount);
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static void _bind_methods();
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public:
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bool is_valid() const { return valid; }
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const Map<StringName,Ref<GDScript> >& get_subclasses() const { return subclasses; }
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const Map<StringName,Variant >& get_constants() const { return constants; }
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const Set<StringName>& get_members() const { return members; }
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const Map<StringName,GDFunction*>& get_member_functions() const { return member_functions; }
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const Ref<GDNativeClass>& get_native() const { return native; }
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virtual bool has_script_signal(const StringName& p_signal) const;
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virtual void get_script_signal_list(List<MethodInfo> *r_signals) const;
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bool is_tool() const { return tool; }
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Ref<GDScript> get_base() const;
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const Map<StringName,MemberInfo>& debug_get_member_indices() const { return member_indices; }
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const Map<StringName,GDFunction*>& debug_get_member_functions() const; //this is debug only
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StringName debug_get_member_by_index(int p_idx) const;
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Variant _new(const Variant** p_args,int p_argcount,Variant::CallError& r_error);
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virtual bool can_instance() const;
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virtual StringName get_instance_base_type() const; // this may not work in all scripts, will return empty if so
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virtual ScriptInstance* instance_create(Object *p_this);
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virtual bool instance_has(const Object *p_this) const;
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virtual bool has_source_code() const;
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virtual String get_source_code() const;
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virtual void set_source_code(const String& p_code);
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virtual void update_exports();
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virtual Error reload(bool p_keep_state=false);
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virtual String get_node_type() const;
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void set_script_path(const String& p_path) { path=p_path; } //because subclasses need a path too...
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Error load_source_code(const String& p_path);
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Error load_byte_code(const String& p_path);
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Vector<uint8_t> get_as_byte_code() const;
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bool get_property_default_value(const StringName& p_property,Variant& r_value) const;
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virtual ScriptLanguage *get_language() const;
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GDScript();
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~GDScript();
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};
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class GDInstance : public ScriptInstance {
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friend class GDScript;
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friend class GDFunction;
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friend class GDFunctions;
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friend class GDCompiler;
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Object *owner;
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Ref<GDScript> script;
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#ifdef DEBUG_ENABLED
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Map<StringName,int> member_indices_cache; //used only for hot script reloading
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#endif
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Vector<Variant> members;
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bool base_ref;
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void _ml_call_reversed(GDScript *sptr,const StringName& p_method,const Variant** p_args,int p_argcount);
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public:
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_FORCE_INLINE_ Object* get_owner() { return owner; }
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virtual bool set(const StringName& p_name, const Variant& p_value);
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virtual bool get(const StringName& p_name, Variant &r_ret) const;
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virtual void get_property_list(List<PropertyInfo> *p_properties) const;
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virtual Variant::Type get_property_type(const StringName& p_name,bool *r_is_valid=NULL) const;
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virtual void get_method_list(List<MethodInfo> *p_list) const;
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virtual bool has_method(const StringName& p_method) const;
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virtual Variant call(const StringName& p_method,const Variant** p_args,int p_argcount,Variant::CallError &r_error);
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virtual void call_multilevel(const StringName& p_method,const Variant** p_args,int p_argcount);
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virtual void call_multilevel_reversed(const StringName& p_method,const Variant** p_args,int p_argcount);
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Variant debug_get_member_by_index(int p_idx) const { return members[p_idx]; }
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virtual void notification(int p_notification);
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virtual Ref<Script> get_script() const;
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virtual ScriptLanguage *get_language();
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void set_path(const String& p_path);
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void reload_members();
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GDInstance();
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~GDInstance();
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};
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class GDScriptLanguage : public ScriptLanguage {
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static GDScriptLanguage *singleton;
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Variant* _global_array;
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Vector<Variant> global_array;
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Map<StringName,int> globals;
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struct CallLevel {
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Variant *stack;
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GDFunction *function;
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GDInstance *instance;
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int *ip;
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int *line;
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};
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int _debug_parse_err_line;
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String _debug_parse_err_file;
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String _debug_error;
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int _debug_call_stack_pos;
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int _debug_max_call_stack;
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CallLevel *_call_stack;
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void _add_global(const StringName& p_name,const Variant& p_value);
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Mutex *lock;
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friend class GDScript;
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SelfList<GDScript>::List script_list;
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friend class GDFunction;
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SelfList<GDFunction>::List function_list;
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bool profiling;
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uint64_t script_frame_time;
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public:
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int calls;
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bool debug_break(const String& p_error,bool p_allow_continue=true);
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bool debug_break_parse(const String& p_file, int p_line,const String& p_error);
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_FORCE_INLINE_ void enter_function(GDInstance *p_instance,GDFunction *p_function, Variant *p_stack, int *p_ip, int *p_line) {
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if (Thread::get_main_ID()!=Thread::get_caller_ID())
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return; //no support for other threads than main for now
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if (ScriptDebugger::get_singleton()->get_lines_left()>0 && ScriptDebugger::get_singleton()->get_depth()>=0)
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ScriptDebugger::get_singleton()->set_depth( ScriptDebugger::get_singleton()->get_depth() +1 );
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if (_debug_call_stack_pos >= _debug_max_call_stack) {
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//stack overflow
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_debug_error="Stack Overflow (Stack Size: "+itos(_debug_max_call_stack)+")";
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ScriptDebugger::get_singleton()->debug(this);
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return;
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}
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_call_stack[_debug_call_stack_pos].stack=p_stack;
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_call_stack[_debug_call_stack_pos].instance=p_instance;
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_call_stack[_debug_call_stack_pos].function=p_function;
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_call_stack[_debug_call_stack_pos].ip=p_ip;
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_call_stack[_debug_call_stack_pos].line=p_line;
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_debug_call_stack_pos++;
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}
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_FORCE_INLINE_ void exit_function() {
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if (Thread::get_main_ID()!=Thread::get_caller_ID())
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return; //no support for other threads than main for now
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if (ScriptDebugger::get_singleton()->get_lines_left()>0 && ScriptDebugger::get_singleton()->get_depth()>=0)
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ScriptDebugger::get_singleton()->set_depth( ScriptDebugger::get_singleton()->get_depth() -1 );
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if (_debug_call_stack_pos==0) {
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_debug_error="Stack Underflow (Engine Bug)";
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ScriptDebugger::get_singleton()->debug(this);
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return;
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}
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_debug_call_stack_pos--;
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}
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virtual Vector<StackInfo> debug_get_current_stack_info() {
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if (Thread::get_main_ID()!=Thread::get_caller_ID())
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return Vector<StackInfo>();
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Vector<StackInfo> csi;
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csi.resize(_debug_call_stack_pos);
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for(int i=0;i<_debug_call_stack_pos;i++) {
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csi[_debug_call_stack_pos-i-1].line=_call_stack[i].line?*_call_stack[i].line:0;
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csi[_debug_call_stack_pos-i-1].script=Ref<GDScript>(_call_stack[i].function->get_script());
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}
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return csi;
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}
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struct {
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StringName _init;
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StringName _notification;
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StringName _set;
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StringName _get;
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StringName _get_property_list;
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StringName _script_source;
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} strings;
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_FORCE_INLINE_ int get_global_array_size() const { return global_array.size(); }
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_FORCE_INLINE_ Variant* get_global_array() { return _global_array; }
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_FORCE_INLINE_ const Map<StringName,int>& get_global_map() { return globals; }
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_FORCE_INLINE_ static GDScriptLanguage *get_singleton() { return singleton; }
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virtual String get_name() const;
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/* LANGUAGE FUNCTIONS */
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virtual void init();
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virtual String get_type() const;
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virtual String get_extension() const;
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virtual Error execute_file(const String& p_path) ;
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virtual void finish();
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/* EDITOR FUNCTIONS */
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virtual void get_reserved_words(List<String> *p_words) const;
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virtual void get_comment_delimiters(List<String> *p_delimiters) const;
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virtual void get_string_delimiters(List<String> *p_delimiters) const;
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virtual String get_template(const String& p_class_name, const String& p_base_class_name) const;
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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;
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virtual Script *create_script() const;
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virtual bool has_named_classes() const;
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virtual int find_function(const String& p_function,const String& p_code) const;
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virtual String make_function(const String& p_class,const String& p_name,const StringArray& p_args) const;
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virtual Error complete_code(const String& p_code, const String& p_base_path, Object*p_owner,List<String>* r_options,String& r_call_hint);
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virtual void auto_indent_code(String& p_code,int p_from_line,int p_to_line) const;
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virtual void add_global_constant(const StringName& p_variable,const Variant& p_value);
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/* DEBUGGER FUNCTIONS */
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virtual String debug_get_error() const;
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virtual int debug_get_stack_level_count() const;
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virtual int debug_get_stack_level_line(int p_level) const;
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virtual String debug_get_stack_level_function(int p_level) const;
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virtual String debug_get_stack_level_source(int p_level) const;
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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);
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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);
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virtual void debug_get_globals(List<String> *p_locals, List<Variant> *p_values, int p_max_subitems=-1,int p_max_depth=-1);
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virtual String debug_parse_stack_level_expression(int p_level,const String& p_expression,int p_max_subitems=-1,int p_max_depth=-1);
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virtual void reload_all_scripts();
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virtual void reload_tool_script(const Ref<Script>& p_script,bool p_soft_reload);
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virtual void frame();
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virtual void get_public_functions(List<MethodInfo> *p_functions) const;
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virtual void get_public_constants(List<Pair<String,Variant> > *p_constants) const;
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virtual void profiling_start();
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virtual void profiling_stop();
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virtual int profiling_get_accumulated_data(ProfilingInfo *p_info_arr,int p_info_max);
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virtual int profiling_get_frame_data(ProfilingInfo *p_info_arr,int p_info_max);
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/* LOADER FUNCTIONS */
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virtual void get_recognized_extensions(List<String> *p_extensions) const;
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GDScriptLanguage();
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~GDScriptLanguage();
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};
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class ResourceFormatLoaderGDScript : public ResourceFormatLoader {
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public:
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virtual RES load(const String &p_path,const String& p_original_path="",Error *r_error=NULL);
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virtual void get_recognized_extensions(List<String> *p_extensions) const;
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virtual bool handles_type(const String& p_type) const;
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virtual String get_resource_type(const String &p_path) const;
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};
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class ResourceFormatSaverGDScript : public ResourceFormatSaver {
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public:
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virtual Error save(const String &p_path,const RES& p_resource,uint32_t p_flags=0);
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virtual void get_recognized_extensions(const RES& p_resource,List<String> *p_extensions) const;
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virtual bool recognize(const RES& p_resource) const;
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};
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#endif // GD_SCRIPT_H
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