From 0b806ee0fc9097fa7bda7ac0109191c9c5e0a1ac Mon Sep 17 00:00:00 2001
From: Juan Linietsky
Date: Sun, 9 Feb 2014 22:10:30 -0300
Subject: GODOT IS OPEN SOURCE

---
 core/script_language.h | 251 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 251 insertions(+)
 create mode 100644 core/script_language.h

(limited to 'core/script_language.h')

diff --git a/core/script_language.h b/core/script_language.h
new file mode 100644
index 000000000..102d7c843
--- /dev/null
+++ b/core/script_language.h
@@ -0,0 +1,251 @@
+/*************************************************************************/
+/*  script_language.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 SCRIPT_LANGUAGE_H
+#define SCRIPT_LANGUAGE_H
+
+#include "resource.h"
+#include "map.h"
+/**
+	@author Juan Linietsky <reduzio@gmail.com>
+*/
+
+class ScriptLanguage;
+
+class ScriptServer {
+	enum {
+		
+		MAX_LANGUAGES=4
+	};
+	
+	static ScriptLanguage *_languages[MAX_LANGUAGES];
+	static int _language_count;
+	static bool scripting_enabled;
+public:	
+	
+	static void set_scripting_enabled(bool p_enabled);
+	static bool is_scripting_enabled();
+	static int get_language_count();
+	static ScriptLanguage *get_language(int p_idx);
+	static void register_language(ScriptLanguage *p_language);
+};
+
+
+
+class ScriptInstance;
+class PlaceHolderScriptInstance;
+
+class Script : public Resource {
+
+	OBJ_TYPE( Script, Resource );
+	OBJ_SAVE_TYPE( Script );
+
+protected:
+
+	void _notification( int p_what);
+	static void _bind_methods();
+
+friend class PlaceHolderScriptInstance;
+	virtual void _placeholder_erased(PlaceHolderScriptInstance *p_placeholder) {}
+public:
+	
+	virtual bool can_instance() 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 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()=0;
+
+	virtual bool is_tool() const=0;
+
+	virtual String get_node_type() const=0;
+
+	virtual ScriptLanguage *get_language() 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 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,Variant::CallError &r_error)=0;
+	virtual void call_multilevel(const StringName& p_method,VARIANT_ARG_LIST);
+	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);
+	virtual void notification(int p_notification)=0;
+
+
+	virtual Ref<Script> get_script() const=0;
+
+	virtual ScriptLanguage *get_language()=0;
+	virtual ~ScriptInstance();
+};
+
+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 */
+	virtual void get_reserved_words(List<String> *p_words) 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 String get_template(const String& p_class_name, const String& p_base_class_name) const=0;
+	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=0;
+	virtual Script *create_script() const=0;
+	virtual bool has_named_classes() const=0;
+	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 StringArray& p_args) const=0;
+	virtual Error complete_keyword(const String& p_code, int p_line, const String& p_base_path, const String& p_keyword, List<String>* r_options) { return ERR_UNAVAILABLE; }
+
+	/* DEBUGGER FUNCTIONS */
+
+	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 void debug_get_globals(List<String> *p_locals, 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;
+
+	/* 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 frame();
+
+	virtual ~ScriptLanguage() {};	
+};
+
+
+class PlaceHolderScriptInstance : public ScriptInstance {
+
+	Object *owner;
+	List<PropertyInfo> properties;
+	Map<StringName,Variant> values;
+	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 void get_method_list(List<MethodInfo> *p_list) const {}
+	virtual bool has_method(const StringName& p_method) const { return false; }
+	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,Variant::CallError &r_error) { r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD; return Variant(); }
+	//virtual void call_multilevel(const StringName& p_method,VARIANT_ARG_LIST) { return Variant(); }
+	//virtual void call_multilevel(const StringName& p_method,const Variant** p_args,int p_argcount,Variant::CallError &r_error) { 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
+
+	PlaceHolderScriptInstance(ScriptLanguage *p_language, Ref<Script> p_script,Object *p_owner);
+	~PlaceHolderScriptInstance();
+
+
+};
+
+class ScriptDebugger {
+
+	int lines_left;
+	int depth;
+
+	static ScriptDebugger * singleton;
+	Map<int,Set<StringName>  > breakpoints;
+
+	ScriptLanguage *break_lang;
+public:
+
+	typedef void (*RequestSceneTreeMessageFunc)(void *);
+
+	_FORCE_INLINE_ static ScriptDebugger * get_singleton() { return singleton; }
+	void set_lines_left(int p_left);
+	int get_lines_left() const;
+
+	void set_depth(int p_depth);
+	int get_depth() const;
+
+	String breakpoint_find_source(const String& p_source) const;
+	void insert_breakpoint(int p_line, const StringName& p_source);
+	void remove_breakpoint(int p_line, const StringName& p_source);
+	bool is_breakpoint(int p_line,const StringName& p_source) const;
+	bool is_breakpoint_line(int p_line) const;
+	void clear_breakpoints();
+
+	virtual void debug(ScriptLanguage *p_script,bool p_can_continue=true)=0;
+	virtual void idle_poll();
+	virtual void line_poll();
+
+	void set_break_language(ScriptLanguage *p_lang);
+	ScriptLanguage* get_break_language() const;
+
+	virtual void send_message(const String& p_message, const Array& p_args)=0;
+
+	virtual bool is_remote() const { return false; }
+	virtual void request_quit() {}
+
+	virtual void set_request_scene_tree_message_func(RequestSceneTreeMessageFunc p_func, void *p_udata) {}
+
+	ScriptDebugger();
+	virtual ~ScriptDebugger() {}
+
+};
+
+
+
+#endif
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