virtualx-engine/modules/gdscript/gdscript.h

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/*************************************************************************/
/* gdscript.h */
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/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
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/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
/* 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 GDSCRIPT_H
#define GDSCRIPT_H
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#include "core/debugger/engine_debugger.h"
#include "core/debugger/script_debugger.h"
#include "core/doc_data.h"
#include "core/io/resource_loader.h"
#include "core/io/resource_saver.h"
#include "core/object/script_language.h"
#include "core/templates/rb_set.h"
#include "gdscript_function.h"
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class GDScriptNativeClass : public RefCounted {
GDCLASS(GDScriptNativeClass, RefCounted);
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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 *instantiate();
virtual Variant callp(const StringName &p_method, const Variant **p_args, int p_argcount, Callable::CallError &r_error) override;
GDScriptNativeClass(const StringName &p_name);
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};
class GDScript : public Script {
GDCLASS(GDScript, Script);
bool tool = false;
bool valid = false;
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struct MemberInfo {
int index = 0;
StringName setter;
StringName getter;
GDScriptDataType data_type;
};
friend class GDScriptInstance;
friend class GDScriptFunction;
friend class GDScriptAnalyzer;
friend class GDScriptCompiler;
friend class GDScriptLanguage;
friend struct GDScriptUtilityFunctionsDefinitions;
Ref<GDScriptNativeClass> native;
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Ref<GDScript> base;
GDScript *_base = nullptr; //fast pointer access
GDScript *_owner = nullptr; //for subclasses
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HashSet<StringName> members; //members are just indices to the instantiated script.
HashMap<StringName, Variant> constants;
HashMap<StringName, GDScriptFunction *> member_functions;
HashMap<StringName, MemberInfo> member_indices; //members are just indices to the instantiated script.
HashMap<StringName, Ref<GDScript>> subclasses;
HashMap<StringName, Vector<StringName>> _signals;
Dictionary rpc_config;
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#ifdef TOOLS_ENABLED
HashMap<StringName, int> member_lines;
HashMap<StringName, Variant> member_default_values;
List<PropertyInfo> members_cache;
HashMap<StringName, Variant> member_default_values_cache;
Ref<GDScript> base_cache;
HashSet<ObjectID> inheriters_cache;
bool source_changed_cache = false;
bool placeholder_fallback_enabled = false;
void _update_exports_values(HashMap<StringName, Variant> &values, List<PropertyInfo> &propnames);
DocData::ClassDoc doc;
Vector<DocData::ClassDoc> docs;
String doc_brief_description;
String doc_description;
Vector<DocData::TutorialDoc> doc_tutorials;
HashMap<String, String> doc_functions;
HashMap<String, String> doc_variables;
HashMap<String, String> doc_constants;
HashMap<String, String> doc_signals;
HashMap<String, DocData::EnumDoc> doc_enums;
void _clear_doc();
void _update_doc();
void _add_doc(const DocData::ClassDoc &p_inner_class);
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#endif
HashMap<StringName, PropertyInfo> member_info;
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GDScriptFunction *implicit_initializer = nullptr;
GDScriptFunction *initializer = nullptr; //direct pointer to new , faster to locate
GDScriptFunction *implicit_ready = nullptr;
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int subclass_count = 0;
RBSet<Object *> instances;
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//exported members
String source;
String path;
String name;
String fully_qualified_name;
SelfList<GDScript> script_list;
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SelfList<GDScriptFunctionState>::List pending_func_states;
GDScriptFunction *_super_constructor(GDScript *p_script);
void _super_implicit_constructor(GDScript *p_script, GDScriptInstance *p_instance, Callable::CallError &r_error);
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GDScriptInstance *_create_instance(const Variant **p_args, int p_argcount, Object *p_owner, bool p_is_ref_counted, Callable::CallError &r_error);
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void _set_subclass_path(Ref<GDScript> &p_sc, const String &p_path);
String _get_debug_path() const;
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#ifdef TOOLS_ENABLED
HashSet<PlaceHolderScriptInstance *> placeholders;
//void _update_placeholder(PlaceHolderScriptInstance *p_placeholder);
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virtual void _placeholder_erased(PlaceHolderScriptInstance *p_placeholder) override;
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#endif
#ifdef DEBUG_ENABLED
HashMap<ObjectID, List<Pair<StringName, Variant>>> pending_reload_state;
#endif
bool _update_exports(bool *r_err = nullptr, bool p_recursive_call = false, PlaceHolderScriptInstance *p_instance_to_update = nullptr);
void _save_orphaned_subclasses();
void _init_rpc_methods_properties();
void _get_script_property_list(List<PropertyInfo> *r_list, bool p_include_base) const;
void _get_script_method_list(List<MethodInfo> *r_list, bool p_include_base) const;
void _get_script_signal_list(List<MethodInfo> *r_list, bool p_include_base) const;
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// This method will map the class name from "RefCounted" to "MyClass.InnerClass".
static String _get_gdscript_reference_class_name(const GDScript *p_gdscript);
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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 callp(const StringName &p_method, const Variant **p_args, int p_argcount, Callable::CallError &r_error) override;
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static void _bind_methods();
public:
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virtual bool is_valid() const override { return valid; }
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bool inherits_script(const Ref<Script> &p_script) const override;
const HashMap<StringName, Ref<GDScript>> &get_subclasses() const { return subclasses; }
const HashMap<StringName, Variant> &get_constants() const { return constants; }
const HashSet<StringName> &get_members() const { return members; }
const GDScriptDataType &get_member_type(const StringName &p_member) const {
Fix various warnings: [-Waddress], [-Wpointer-arith], [-Wwrite-strings], [-Wreturn-local-addr] and more Fixes the following GCC 5 warnings: ``` core/os/file_access.cpp:49:19: warning: the address of 'FileAccess::create_func' will always evaluate as 'true' [-Waddress] servers/audio_server.cpp:192:70: warning: comparison with string literal results in unspecified behaviour [-Waddress] drivers/gles2/rasterizer_storage_gles2.cpp:4095:90: warning: NULL used in arithmetic [-Wpointer-arith] modules/gdnative/register_types.cpp:237:3: warning: deprecated conversion from string constant to 'char*' [-Wwrite-strings] platform/android/export/export.cpp:207:1: warning: deprecated conversion from string constant to 'char*' [-Wwrite-strings] modules/gdscript/gdscript.h:150:67: warning: returning reference to temporary [-Wreturn-local-addr] servers/physics_2d/collision_object_2d_sw.h:119:56: warning: returning reference to temporary [-Wreturn-local-addr] servers/physics_2d/collision_object_2d_sw.h:123:56: warning: returning reference to temporary [-Wreturn-local-addr] servers/physics_2d/collision_object_2d_sw.h:127:50: warning: returning reference to temporary [-Wreturn-local-addr] servers/physics_2d/collision_object_2d_sw.h:131:52: warning: returning reference to temporary [-Wreturn-local-addr] editor/plugins/skeleton_editor_plugin.cpp:34:36: warning: extra tokens at end of #include directive modules/bullet/bullet_types_converter.cpp:31:9: warning: #pragma once in main file editor/import/editor_scene_importer_gltf.cpp:1996:51: warning: name lookup of 'i' changed modules/visual_script/visual_script_property_selector.cpp:402:45: warning: name lookup of 'E' changed scene/gui/tree.cpp:1268:25: warning: name lookup of 'i' changed scene/resources/visual_shader.cpp:808:32: warning: name lookup of 'i' changed ```
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CRASH_COND(!member_indices.has(p_member));
return member_indices[p_member].data_type;
}
const HashMap<StringName, GDScriptFunction *> &get_member_functions() const { return member_functions; }
const Ref<GDScriptNativeClass> &get_native() const { return native; }
const String &get_script_class_name() const { return name; }
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virtual bool has_script_signal(const StringName &p_signal) const override;
virtual void get_script_signal_list(List<MethodInfo> *r_signals) const override;
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bool is_tool() const override { return tool; }
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Ref<GDScript> get_base() const;
const HashMap<StringName, MemberInfo> &debug_get_member_indices() const { return member_indices; }
const HashMap<StringName, GDScriptFunction *> &debug_get_member_functions() const; //this is debug only
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StringName debug_get_member_by_index(int p_idx) const;
Variant _new(const Variant **p_args, int p_argcount, Callable::CallError &r_error);
virtual bool can_instantiate() const override;
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virtual Ref<Script> get_base_script() const override;
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virtual StringName get_instance_base_type() const override; // this may not work in all scripts, will return empty if so
virtual ScriptInstance *instance_create(Object *p_this) override;
virtual PlaceHolderScriptInstance *placeholder_instance_create(Object *p_this) override;
virtual bool instance_has(const Object *p_this) const override;
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virtual bool has_source_code() const override;
virtual String get_source_code() const override;
virtual void set_source_code(const String &p_code) override;
virtual void update_exports() override;
#ifdef TOOLS_ENABLED
virtual Vector<DocData::ClassDoc> get_documentation() const override {
return docs;
}
#endif // TOOLS_ENABLED
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virtual Error reload(bool p_keep_state = false) override;
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virtual void set_path(const String &p_path, bool p_take_over = false) override;
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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);
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 override;
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virtual void get_script_method_list(List<MethodInfo> *p_list) const override;
virtual bool has_method(const StringName &p_method) const override;
virtual MethodInfo get_method_info(const StringName &p_method) const override;
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virtual void get_script_property_list(List<PropertyInfo> *p_list) const override;
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virtual ScriptLanguage *get_language() const override;
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virtual int get_member_line(const StringName &p_member) const override {
#ifdef TOOLS_ENABLED
if (member_lines.has(p_member)) {
return member_lines[p_member];
}
#endif
return -1;
}
virtual void get_constants(HashMap<StringName, Variant> *p_constants) override;
virtual void get_members(HashSet<StringName> *p_members) override;
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virtual const Variant get_rpc_config() const override;
#ifdef TOOLS_ENABLED
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virtual bool is_placeholder_fallback_enabled() const override { return placeholder_fallback_enabled; }
#endif
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GDScript();
~GDScript();
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};
class GDScriptInstance : public ScriptInstance {
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friend class GDScript;
friend class GDScriptFunction;
friend class GDScriptLambdaCallable;
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friend class GDScriptLambdaSelfCallable;
friend class GDScriptCompiler;
friend struct GDScriptUtilityFunctionsDefinitions;
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ObjectID owner_id;
Object *owner = nullptr;
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Ref<GDScript> script;
#ifdef DEBUG_ENABLED
HashMap<StringName, int> member_indices_cache; //used only for hot script reloading
#endif
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Vector<Variant> members;
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bool base_ref_counted;
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SelfList<GDScriptFunctionState>::List pending_func_states;
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public:
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virtual Object *get_owner() { return owner; }
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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;
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virtual Variant::Type get_property_type(const StringName &p_name, bool *r_is_valid = nullptr) const;
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virtual bool property_can_revert(const StringName &p_name) const;
virtual bool property_get_revert(const StringName &p_name, Variant &r_ret) const;
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virtual void get_method_list(List<MethodInfo> *p_list) const;
virtual bool has_method(const StringName &p_method) const;
virtual Variant callp(const StringName &p_method, const Variant **p_args, int p_argcount, Callable::CallError &r_error);
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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);
String to_string(bool *r_valid);
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virtual Ref<Script> get_script() const;
virtual ScriptLanguage *get_language();
void set_path(const String &p_path);
void reload_members();
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virtual const Variant get_rpc_config() const;
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GDScriptInstance();
~GDScriptInstance();
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};
class GDScriptLanguage : public ScriptLanguage {
friend class GDScriptFunctionState;
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static GDScriptLanguage *singleton;
Variant *_global_array = nullptr;
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Vector<Variant> global_array;
HashMap<StringName, int> globals;
HashMap<StringName, Variant> named_globals;
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struct CallLevel {
Variant *stack = nullptr;
GDScriptFunction *function = nullptr;
GDScriptInstance *instance = nullptr;
int *ip = nullptr;
int *line = nullptr;
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};
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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 = nullptr;
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void _add_global(const StringName &p_name, const Variant &p_value);
friend class GDScriptInstance;
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Mutex mutex;
friend class GDScript;
SelfList<GDScript>::List script_list;
friend class GDScriptFunction;
SelfList<GDScriptFunction>::List function_list;
bool profiling;
uint64_t script_frame_time;
HashMap<String, ObjectID> orphan_subclasses;
public:
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int calls;
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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);
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_FORCE_INLINE_ void enter_function(GDScriptInstance *p_instance, GDScriptFunction *p_function, Variant *p_stack, int *p_ip, int *p_line) {
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 (EngineDebugger::get_script_debugger()->get_lines_left() > 0 && EngineDebugger::get_script_debugger()->get_depth() >= 0) {
EngineDebugger::get_script_debugger()->set_depth(EngineDebugger::get_script_debugger()->get_depth() + 1);
}
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if (_debug_call_stack_pos >= _debug_max_call_stack) {
//stack overflow
_debug_error = vformat("Stack overflow (stack size: %s). Check for infinite recursion in your script.", _debug_max_call_stack);
EngineDebugger::get_script_debugger()->debug(this);
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return;
}
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_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++;
}
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_FORCE_INLINE_ void exit_function() {
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 (EngineDebugger::get_script_debugger()->get_lines_left() > 0 && EngineDebugger::get_script_debugger()->get_depth() >= 0) {
EngineDebugger::get_script_debugger()->set_depth(EngineDebugger::get_script_debugger()->get_depth() - 1);
}
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if (_debug_call_stack_pos == 0) {
_debug_error = "Stack Underflow (Engine Bug)";
EngineDebugger::get_script_debugger()->debug(this);
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return;
}
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_debug_call_stack_pos--;
}
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virtual Vector<StackInfo> debug_get_current_stack_info() override {
if (Thread::get_main_id() != Thread::get_caller_id()) {
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return Vector<StackInfo>();
}
Vector<StackInfo> csi;
csi.resize(_debug_call_stack_pos);
for (int i = 0; i < _debug_call_stack_pos; i++) {
csi.write[_debug_call_stack_pos - i - 1].line = _call_stack[i].line ? *_call_stack[i].line : 0;
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if (_call_stack[i].function) {
csi.write[_debug_call_stack_pos - i - 1].func = _call_stack[i].function->get_name();
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csi.write[_debug_call_stack_pos - i - 1].file = _call_stack[i].function->get_script()->get_path();
}
}
return csi;
}
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struct {
StringName _init;
StringName _notification;
StringName _set;
StringName _get;
StringName _get_property_list;
StringName _property_can_revert;
StringName _property_get_revert;
StringName _script_source;
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} 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 HashMap<StringName, int> &get_global_map() const { return globals; }
_FORCE_INLINE_ const HashMap<StringName, Variant> &get_named_globals_map() const { return named_globals; }
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_FORCE_INLINE_ static GDScriptLanguage *get_singleton() { return singleton; }
virtual String get_name() const override;
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/* LANGUAGE FUNCTIONS */
virtual void init() override;
virtual String get_type() const override;
virtual String get_extension() const override;
virtual Error execute_file(const String &p_path) override;
virtual void finish() override;
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/* EDITOR FUNCTIONS */
virtual void get_reserved_words(List<String> *p_words) const override;
virtual bool is_control_flow_keyword(String p_keywords) const override;
virtual void get_comment_delimiters(List<String> *p_delimiters) const override;
virtual void get_string_delimiters(List<String> *p_delimiters) const override;
virtual bool is_using_templates() override;
virtual Ref<Script> make_template(const String &p_template, const String &p_class_name, const String &p_base_class_name) const override;
virtual Vector<ScriptTemplate> get_built_in_templates(StringName p_object) override;
virtual bool validate(const String &p_script, const String &p_path = "", List<String> *r_functions = nullptr, List<ScriptLanguage::ScriptError> *r_errors = nullptr, List<ScriptLanguage::Warning> *r_warnings = nullptr, HashSet<int> *r_safe_lines = nullptr) const override;
virtual Script *create_script() const override;
virtual bool has_named_classes() const override;
virtual bool supports_builtin_mode() const override;
virtual bool supports_documentation() const override;
virtual bool can_inherit_from_file() const override { return true; }
virtual int find_function(const String &p_function, const String &p_code) const override;
virtual String make_function(const String &p_class, const String &p_name, const PackedStringArray &p_args) const override;
virtual Error complete_code(const String &p_code, const String &p_path, Object *p_owner, List<ScriptLanguage::CodeCompletionOption> *r_options, bool &r_forced, String &r_call_hint) override;
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#ifdef TOOLS_ENABLED
virtual Error lookup_code(const String &p_code, const String &p_symbol, const String &p_path, Object *p_owner, LookupResult &r_result) override;
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#endif
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virtual String _get_indentation() const;
virtual void auto_indent_code(String &p_code, int p_from_line, int p_to_line) const override;
virtual void add_global_constant(const StringName &p_variable, const Variant &p_value) override;
virtual void add_named_global_constant(const StringName &p_name, const Variant &p_value) override;
virtual void remove_named_global_constant(const StringName &p_name) override;
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/* DEBUGGER FUNCTIONS */
virtual String debug_get_error() const override;
virtual int debug_get_stack_level_count() const override;
virtual int debug_get_stack_level_line(int p_level) const override;
virtual String debug_get_stack_level_function(int p_level) const override;
virtual String debug_get_stack_level_source(int p_level) const override;
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) override;
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) override;
virtual ScriptInstance *debug_get_stack_level_instance(int p_level) override;
virtual void debug_get_globals(List<String> *p_globals, List<Variant> *p_values, int p_max_subitems = -1, int p_max_depth = -1) override;
virtual String debug_parse_stack_level_expression(int p_level, const String &p_expression, int p_max_subitems = -1, int p_max_depth = -1) override;
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virtual void reload_all_scripts() override;
virtual void reload_tool_script(const Ref<Script> &p_script, bool p_soft_reload) override;
virtual void frame() override;
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virtual void get_public_functions(List<MethodInfo> *p_functions) const override;
virtual void get_public_constants(List<Pair<String, Variant>> *p_constants) const override;
virtual void get_public_annotations(List<MethodInfo> *p_annotations) const override;
virtual void profiling_start() override;
virtual void profiling_stop() override;
virtual int profiling_get_accumulated_data(ProfilingInfo *p_info_arr, int p_info_max) override;
virtual int profiling_get_frame_data(ProfilingInfo *p_info_arr, int p_info_max) override;
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/* LOADER FUNCTIONS */
virtual void get_recognized_extensions(List<String> *p_extensions) const override;
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/* GLOBAL CLASSES */
virtual bool handles_global_class_type(const String &p_type) const override;
virtual String get_global_class_name(const String &p_path, String *r_base_type = nullptr, String *r_icon_path = nullptr) const override;
void add_orphan_subclass(const String &p_qualified_name, const ObjectID &p_subclass);
Ref<GDScript> get_orphan_subclass(const String &p_qualified_name);
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GDScriptLanguage();
~GDScriptLanguage();
};
class ResourceFormatLoaderGDScript : public ResourceFormatLoader {
public:
virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE);
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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;
virtual void get_dependencies(const String &p_path, List<String> *p_dependencies, bool p_add_types = false);
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};
class ResourceFormatSaverGDScript : public ResourceFormatSaver {
public:
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virtual Error save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags = 0);
virtual void get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const;
virtual bool recognize(const Ref<Resource> &p_resource) const;
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};
#endif // GDSCRIPT_H