428 lines
17 KiB
C++
428 lines
17 KiB
C++
/*************************************************************************/
|
|
/* script_language.h */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/*************************************************************************/
|
|
|
|
#ifndef SCRIPT_LANGUAGE_H
|
|
#define SCRIPT_LANGUAGE_H
|
|
|
|
#include "core/doc_data.h"
|
|
#include "core/io/multiplayer_api.h"
|
|
#include "core/io/resource.h"
|
|
#include "core/templates/map.h"
|
|
#include "core/templates/pair.h"
|
|
|
|
class ScriptLanguage;
|
|
|
|
typedef void (*ScriptEditRequestFunction)(const String &p_path);
|
|
|
|
class ScriptServer {
|
|
enum {
|
|
MAX_LANGUAGES = 16
|
|
};
|
|
|
|
static ScriptLanguage *_languages[MAX_LANGUAGES];
|
|
static int _language_count;
|
|
static bool scripting_enabled;
|
|
static bool reload_scripts_on_save;
|
|
static bool languages_finished;
|
|
|
|
struct GlobalScriptClass {
|
|
StringName language;
|
|
String path;
|
|
String base;
|
|
};
|
|
|
|
static HashMap<StringName, GlobalScriptClass> global_classes;
|
|
|
|
public:
|
|
static ScriptEditRequestFunction edit_request_func;
|
|
|
|
static void set_scripting_enabled(bool p_enabled);
|
|
static bool is_scripting_enabled();
|
|
_FORCE_INLINE_ static int get_language_count() { return _language_count; }
|
|
static ScriptLanguage *get_language(int p_idx);
|
|
static void register_language(ScriptLanguage *p_language);
|
|
static void unregister_language(ScriptLanguage *p_language);
|
|
|
|
static void set_reload_scripts_on_save(bool p_enable);
|
|
static bool is_reload_scripts_on_save_enabled();
|
|
|
|
static void thread_enter();
|
|
static void thread_exit();
|
|
|
|
static void global_classes_clear();
|
|
static void add_global_class(const StringName &p_class, const StringName &p_base, const StringName &p_language, const String &p_path);
|
|
static void remove_global_class(const StringName &p_class);
|
|
static bool is_global_class(const StringName &p_class);
|
|
static StringName get_global_class_language(const StringName &p_class);
|
|
static String get_global_class_path(const String &p_class);
|
|
static StringName get_global_class_base(const String &p_class);
|
|
static StringName get_global_class_native_base(const String &p_class);
|
|
static void get_global_class_list(List<StringName> *r_global_classes);
|
|
static void save_global_classes();
|
|
|
|
static void init_languages();
|
|
static void finish_languages();
|
|
|
|
static bool are_languages_finished() { return languages_finished; }
|
|
};
|
|
|
|
class ScriptInstance;
|
|
class PlaceHolderScriptInstance;
|
|
|
|
class Script : public Resource {
|
|
GDCLASS(Script, Resource);
|
|
OBJ_SAVE_TYPE(Script);
|
|
|
|
protected:
|
|
virtual bool editor_can_reload_from_file() override { return false; } // this is handled by editor better
|
|
void _notification(int p_what);
|
|
static void _bind_methods();
|
|
|
|
friend class PlaceHolderScriptInstance;
|
|
virtual void _placeholder_erased(PlaceHolderScriptInstance *p_placeholder) {}
|
|
|
|
Variant _get_property_default_value(const StringName &p_property);
|
|
Array _get_script_property_list();
|
|
Array _get_script_method_list();
|
|
Array _get_script_signal_list();
|
|
Dictionary _get_script_constant_map();
|
|
|
|
public:
|
|
virtual bool can_instantiate() const = 0;
|
|
|
|
virtual Ref<Script> get_base_script() const = 0; //for script inheritance
|
|
|
|
virtual bool inherits_script(const Ref<Script> &p_script) const = 0;
|
|
|
|
virtual StringName get_instance_base_type() const = 0; // this may not work in all scripts, will return empty if so
|
|
virtual ScriptInstance *instance_create(Object *p_this) = 0;
|
|
virtual PlaceHolderScriptInstance *placeholder_instance_create(Object *p_this) { return nullptr; }
|
|
virtual bool instance_has(const Object *p_this) const = 0;
|
|
|
|
virtual bool has_source_code() const = 0;
|
|
virtual String get_source_code() const = 0;
|
|
virtual void set_source_code(const String &p_code) = 0;
|
|
virtual Error reload(bool p_keep_state = false) = 0;
|
|
|
|
#ifdef TOOLS_ENABLED
|
|
virtual const Vector<DocData::ClassDoc> &get_documentation() const = 0;
|
|
#endif // TOOLS_ENABLED
|
|
|
|
virtual bool has_method(const StringName &p_method) const = 0;
|
|
virtual MethodInfo get_method_info(const StringName &p_method) const = 0;
|
|
|
|
virtual bool is_tool() const = 0;
|
|
virtual bool is_valid() const = 0;
|
|
|
|
virtual ScriptLanguage *get_language() const = 0;
|
|
|
|
virtual bool has_script_signal(const StringName &p_signal) const = 0;
|
|
virtual void get_script_signal_list(List<MethodInfo> *r_signals) const = 0;
|
|
|
|
virtual bool get_property_default_value(const StringName &p_property, Variant &r_value) const = 0;
|
|
|
|
virtual void update_exports() {} //editor tool
|
|
virtual void get_script_method_list(List<MethodInfo> *p_list) const = 0;
|
|
virtual void get_script_property_list(List<PropertyInfo> *p_list) const = 0;
|
|
|
|
virtual int get_member_line(const StringName &p_member) const { return -1; }
|
|
|
|
virtual void get_constants(Map<StringName, Variant> *p_constants) {}
|
|
virtual void get_members(Set<StringName> *p_constants) {}
|
|
|
|
virtual bool is_placeholder_fallback_enabled() const { return false; }
|
|
|
|
virtual const Vector<MultiplayerAPI::RPCConfig> get_rpc_methods() const = 0;
|
|
|
|
Script() {}
|
|
};
|
|
|
|
class ScriptInstance {
|
|
public:
|
|
virtual bool set(const StringName &p_name, const Variant &p_value) = 0;
|
|
virtual bool get(const StringName &p_name, Variant &r_ret) const = 0;
|
|
virtual void get_property_list(List<PropertyInfo> *p_properties) const = 0;
|
|
virtual Variant::Type get_property_type(const StringName &p_name, bool *r_is_valid = nullptr) const = 0;
|
|
|
|
virtual Object *get_owner() { return nullptr; }
|
|
virtual void get_property_state(List<Pair<StringName, Variant>> &state);
|
|
|
|
virtual void get_method_list(List<MethodInfo> *p_list) const = 0;
|
|
virtual bool has_method(const StringName &p_method) const = 0;
|
|
virtual Variant call(const StringName &p_method, VARIANT_ARG_LIST);
|
|
virtual Variant call(const StringName &p_method, const Variant **p_args, int p_argcount, Callable::CallError &r_error) = 0;
|
|
virtual void notification(int p_notification) = 0;
|
|
virtual String to_string(bool *r_valid) {
|
|
if (r_valid) {
|
|
*r_valid = false;
|
|
}
|
|
return String();
|
|
}
|
|
|
|
//this is used by script languages that keep a reference counter of their own
|
|
//you can make make Ref<> not die when it reaches zero, so deleting the reference
|
|
//depends entirely from the script
|
|
|
|
virtual void refcount_incremented() {}
|
|
virtual bool refcount_decremented() { return true; } //return true if it can die
|
|
|
|
virtual Ref<Script> get_script() const = 0;
|
|
|
|
virtual bool is_placeholder() const { return false; }
|
|
|
|
virtual void property_set_fallback(const StringName &p_name, const Variant &p_value, bool *r_valid);
|
|
virtual Variant property_get_fallback(const StringName &p_name, bool *r_valid);
|
|
|
|
virtual const Vector<MultiplayerAPI::RPCConfig> get_rpc_methods() const = 0;
|
|
|
|
virtual ScriptLanguage *get_language() = 0;
|
|
virtual ~ScriptInstance();
|
|
};
|
|
|
|
struct ScriptCodeCompletionOption {
|
|
/* Keep enum in Sync with: */
|
|
/* /scene/gui/code_edit.h - CodeEdit::CodeCompletionKind */
|
|
enum Kind {
|
|
KIND_CLASS,
|
|
KIND_FUNCTION,
|
|
KIND_SIGNAL,
|
|
KIND_VARIABLE,
|
|
KIND_MEMBER,
|
|
KIND_ENUM,
|
|
KIND_CONSTANT,
|
|
KIND_NODE_PATH,
|
|
KIND_FILE_PATH,
|
|
KIND_PLAIN_TEXT,
|
|
};
|
|
Kind kind = KIND_PLAIN_TEXT;
|
|
String display;
|
|
String insert_text;
|
|
Color font_color;
|
|
RES icon;
|
|
Variant default_value;
|
|
|
|
ScriptCodeCompletionOption() {}
|
|
|
|
ScriptCodeCompletionOption(const String &p_text, Kind p_kind) {
|
|
display = p_text;
|
|
insert_text = p_text;
|
|
kind = p_kind;
|
|
}
|
|
};
|
|
|
|
class ScriptCodeCompletionCache {
|
|
static ScriptCodeCompletionCache *singleton;
|
|
|
|
public:
|
|
static ScriptCodeCompletionCache *get_singleton() { return singleton; }
|
|
|
|
ScriptCodeCompletionCache();
|
|
|
|
virtual ~ScriptCodeCompletionCache() {}
|
|
};
|
|
|
|
class ScriptLanguage {
|
|
public:
|
|
virtual String get_name() const = 0;
|
|
|
|
/* LANGUAGE FUNCTIONS */
|
|
virtual void init() = 0;
|
|
virtual String get_type() const = 0;
|
|
virtual String get_extension() const = 0;
|
|
virtual Error execute_file(const String &p_path) = 0;
|
|
virtual void finish() = 0;
|
|
|
|
/* EDITOR FUNCTIONS */
|
|
struct Warning {
|
|
int start_line = -1, end_line = -1;
|
|
int leftmost_column = -1, rightmost_column = -1;
|
|
int code;
|
|
String string_code;
|
|
String message;
|
|
};
|
|
|
|
struct ScriptError {
|
|
int line = -1;
|
|
int column = -1;
|
|
String message;
|
|
};
|
|
|
|
void get_core_type_words(List<String> *p_core_type_words) const;
|
|
virtual void get_reserved_words(List<String> *p_words) const = 0;
|
|
virtual bool is_control_flow_keyword(String p_string) const = 0;
|
|
virtual void get_comment_delimiters(List<String> *p_delimiters) const = 0;
|
|
virtual void get_string_delimiters(List<String> *p_delimiters) const = 0;
|
|
virtual Ref<Script> get_template(const String &p_class_name, const String &p_base_class_name) const = 0;
|
|
virtual void make_template(const String &p_class_name, const String &p_base_class_name, Ref<Script> &p_script) {}
|
|
virtual bool is_using_templates() { return false; }
|
|
virtual bool validate(const String &p_script, const String &p_path = "", List<String> *r_functions = nullptr, List<ScriptError> *r_errors = nullptr, List<Warning> *r_warnings = nullptr, Set<int> *r_safe_lines = nullptr) const = 0;
|
|
virtual String validate_path(const String &p_path) const { return ""; }
|
|
virtual Script *create_script() const = 0;
|
|
virtual bool has_named_classes() const = 0;
|
|
virtual bool supports_builtin_mode() const = 0;
|
|
virtual bool supports_documentation() const { return false; }
|
|
virtual bool can_inherit_from_file() const { return false; }
|
|
virtual int find_function(const String &p_function, const String &p_code) const = 0;
|
|
virtual String make_function(const String &p_class, const String &p_name, const PackedStringArray &p_args) const = 0;
|
|
virtual Error open_in_external_editor(const Ref<Script> &p_script, int p_line, int p_col) { return ERR_UNAVAILABLE; }
|
|
virtual bool overrides_external_editor() { return false; }
|
|
|
|
virtual Error complete_code(const String &p_code, const String &p_path, Object *p_owner, List<ScriptCodeCompletionOption> *r_options, bool &r_force, String &r_call_hint) { return ERR_UNAVAILABLE; }
|
|
|
|
struct LookupResult {
|
|
enum Type {
|
|
RESULT_SCRIPT_LOCATION,
|
|
RESULT_CLASS,
|
|
RESULT_CLASS_CONSTANT,
|
|
RESULT_CLASS_PROPERTY,
|
|
RESULT_CLASS_METHOD,
|
|
RESULT_CLASS_ENUM,
|
|
RESULT_CLASS_TBD_GLOBALSCOPE
|
|
};
|
|
Type type;
|
|
Ref<Script> script;
|
|
String class_name;
|
|
String class_member;
|
|
int location;
|
|
};
|
|
|
|
virtual Error lookup_code(const String &p_code, const String &p_symbol, const String &p_path, Object *p_owner, LookupResult &r_result) { return ERR_UNAVAILABLE; }
|
|
|
|
virtual void auto_indent_code(String &p_code, int p_from_line, int p_to_line) const = 0;
|
|
virtual void add_global_constant(const StringName &p_variable, const Variant &p_value) = 0;
|
|
virtual void add_named_global_constant(const StringName &p_name, const Variant &p_value) {}
|
|
virtual void remove_named_global_constant(const StringName &p_name) {}
|
|
|
|
/* MULTITHREAD FUNCTIONS */
|
|
|
|
//some VMs need to be notified of thread creation/exiting to allocate a stack
|
|
virtual void thread_enter() {}
|
|
virtual void thread_exit() {}
|
|
|
|
/* DEBUGGER FUNCTIONS */
|
|
struct StackInfo {
|
|
String file;
|
|
String func;
|
|
int line;
|
|
};
|
|
|
|
virtual String debug_get_error() const = 0;
|
|
virtual int debug_get_stack_level_count() const = 0;
|
|
virtual int debug_get_stack_level_line(int p_level) const = 0;
|
|
virtual String debug_get_stack_level_function(int p_level) const = 0;
|
|
virtual String debug_get_stack_level_source(int p_level) const = 0;
|
|
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) = 0;
|
|
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) = 0;
|
|
virtual ScriptInstance *debug_get_stack_level_instance(int p_level) { return nullptr; }
|
|
virtual void debug_get_globals(List<String> *p_globals, List<Variant> *p_values, int p_max_subitems = -1, int p_max_depth = -1) = 0;
|
|
virtual String debug_parse_stack_level_expression(int p_level, const String &p_expression, int p_max_subitems = -1, int p_max_depth = -1) = 0;
|
|
|
|
virtual Vector<StackInfo> debug_get_current_stack_info() { return Vector<StackInfo>(); }
|
|
|
|
virtual void reload_all_scripts() = 0;
|
|
virtual void reload_tool_script(const Ref<Script> &p_script, bool p_soft_reload) = 0;
|
|
/* LOADER FUNCTIONS */
|
|
|
|
virtual void get_recognized_extensions(List<String> *p_extensions) const = 0;
|
|
virtual void get_public_functions(List<MethodInfo> *p_functions) const = 0;
|
|
virtual void get_public_constants(List<Pair<String, Variant>> *p_constants) const = 0;
|
|
|
|
struct ProfilingInfo {
|
|
StringName signature;
|
|
uint64_t call_count;
|
|
uint64_t total_time;
|
|
uint64_t self_time;
|
|
};
|
|
|
|
virtual void profiling_start() = 0;
|
|
virtual void profiling_stop() = 0;
|
|
|
|
virtual int profiling_get_accumulated_data(ProfilingInfo *p_info_arr, int p_info_max) = 0;
|
|
virtual int profiling_get_frame_data(ProfilingInfo *p_info_arr, int p_info_max) = 0;
|
|
|
|
virtual void *alloc_instance_binding_data(Object *p_object) { return nullptr; } //optional, not used by all languages
|
|
virtual void free_instance_binding_data(void *p_data) {} //optional, not used by all languages
|
|
virtual void refcount_incremented_instance_binding(Object *p_object) {} //optional, not used by all languages
|
|
virtual bool refcount_decremented_instance_binding(Object *p_object) { return true; } //return true if it can die //optional, not used by all languages
|
|
|
|
virtual void frame();
|
|
|
|
virtual bool handles_global_class_type(const String &p_type) const { return false; }
|
|
virtual String get_global_class_name(const String &p_path, String *r_base_type = nullptr, String *r_icon_path = nullptr) const { return String(); }
|
|
|
|
virtual ~ScriptLanguage() {}
|
|
};
|
|
|
|
extern uint8_t script_encryption_key[32];
|
|
|
|
class PlaceHolderScriptInstance : public ScriptInstance {
|
|
Object *owner;
|
|
List<PropertyInfo> properties;
|
|
Map<StringName, Variant> values;
|
|
Map<StringName, Variant> constants;
|
|
ScriptLanguage *language;
|
|
Ref<Script> script;
|
|
|
|
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 Variant::Type get_property_type(const StringName &p_name, bool *r_is_valid = nullptr) 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, VARIANT_ARG_LIST) { return Variant(); }
|
|
virtual Variant call(const StringName &p_method, const Variant **p_args, int p_argcount, Callable::CallError &r_error) {
|
|
r_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD;
|
|
return Variant();
|
|
}
|
|
virtual void notification(int p_notification) {}
|
|
|
|
virtual Ref<Script> get_script() const { return script; }
|
|
|
|
virtual ScriptLanguage *get_language() { return language; }
|
|
|
|
Object *get_owner() { return owner; }
|
|
|
|
void update(const List<PropertyInfo> &p_properties, const Map<StringName, Variant> &p_values); //likely changed in editor
|
|
|
|
virtual bool is_placeholder() const { return true; }
|
|
|
|
virtual void property_set_fallback(const StringName &p_name, const Variant &p_value, bool *r_valid = nullptr);
|
|
virtual Variant property_get_fallback(const StringName &p_name, bool *r_valid = nullptr);
|
|
|
|
virtual const Vector<MultiplayerAPI::RPCConfig> get_rpc_methods() const { return Vector<MultiplayerAPI::RPCConfig>(); }
|
|
|
|
PlaceHolderScriptInstance(ScriptLanguage *p_language, Ref<Script> p_script, Object *p_owner);
|
|
~PlaceHolderScriptInstance();
|
|
};
|
|
|
|
#endif // SCRIPT_LANGUAGE_H
|