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authorRémi Verschelde2017-11-16 18:38:18 +0100
committerRémi Verschelde2017-11-16 18:54:56 +0100
commit4cfc29611e21811065d024a6de1685418e60111e (patch)
tree3d2b10ebd4d18b88709a49391cf6265185149d56 /modules/gdscript/gd_function.h
parent2070b80fc05d581fc8f44ba231fc728136877828 (diff)
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diff --git a/modules/gdscript/gd_function.h b/modules/gdscript/gd_function.h
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-/*************************************************************************/
-/* gd_function.h */
-/*************************************************************************/
-/* This file is part of: */
-/* GODOT ENGINE */
-/* https://godotengine.org */
-/*************************************************************************/
-/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2017 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 GD_FUNCTION_H
-#define GD_FUNCTION_H
-
-#include "os/thread.h"
-#include "pair.h"
-#include "reference.h"
-#include "script_language.h"
-#include "self_list.h"
-#include "string_db.h"
-#include "variant.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_SET_MEMBER,
- OPCODE_GET_MEMBER,
- 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_YIELD,
- OPCODE_YIELD_SIGNAL,
- OPCODE_YIELD_RESUME,
- OPCODE_JUMP,
- OPCODE_JUMP_IF,
- OPCODE_JUMP_IF_NOT,
- OPCODE_JUMP_TO_DEF_ARGUMENT,
- OPCODE_RETURN,
- OPCODE_ITERATE_BEGIN,
- OPCODE_ITERATE,
- OPCODE_ASSERT,
- OPCODE_BREAKPOINT,
- 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_CLASS = 1,
- ADDR_TYPE_MEMBER = 2,
- ADDR_TYPE_CLASS_CONSTANT = 3,
- ADDR_TYPE_LOCAL_CONSTANT = 4,
- ADDR_TYPE_STACK = 5,
- ADDR_TYPE_STACK_VARIABLE = 6,
- ADDR_TYPE_GLOBAL = 7,
- ADDR_TYPE_NIL = 8
- };
-
- enum RPCMode {
- RPC_DISABLED,
- RPC_ENABLED,
- RPC_SYNC,
- RPC_SYNC_MASTER,
- RPC_SYNC_SLAVE
- };
-
- 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;
- ScriptInstance::RPCMode rpc_mode;
-
- GDScript *_script;
-
- StringName name;
- Vector<Variant> constants;
- Vector<StringName> global_names;
- Vector<int> default_arguments;
- Vector<int> code;
-
-#ifdef TOOLS_ENABLED
- Vector<StringName> arg_names;
-#endif
-
- 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;
-
- friend class GDScriptLanguage;
-
- SelfList<GDFunction> function_list;
-#ifdef DEBUG_ENABLED
- CharString func_cname;
- const char *_func_cname;
-
- struct Profile {
- StringName signature;
- uint64_t call_count;
- uint64_t self_time;
- uint64_t total_time;
- uint64_t frame_call_count;
- uint64_t frame_self_time;
- uint64_t frame_total_time;
- uint64_t last_frame_call_count;
- uint64_t last_frame_self_time;
- uint64_t last_frame_total_time;
- } profile;
-
-#endif
-
-public:
- struct CallState {
-
- ObjectID instance_id; //by debug only
- ObjectID script_id;
-
- GDInstance *instance;
- Vector<uint8_t> stack;
- int stack_size;
- Variant self;
- uint32_t alloca_size;
- GDScript *_class;
- int ip;
- int line;
- int defarg;
- Variant result;
- };
-
- _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; }
- StringName get_source() const { return source; }
-
- 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; }
- StringName get_argument_name(int p_idx) const {
-#ifdef TOOLS_ENABLED
- ERR_FAIL_INDEX_V(p_idx, arg_names.size(), StringName());
- return arg_names[p_idx];
-#else
- return StringName();
-#endif
- }
- Variant get_default_argument(int p_idx) const {
- ERR_FAIL_INDEX_V(p_idx, default_arguments.size(), Variant());
- return default_arguments[p_idx];
- }
-
- Variant call(GDInstance *p_instance, const Variant **p_args, int p_argcount, Variant::CallError &r_err, CallState *p_state = NULL);
-
- _FORCE_INLINE_ ScriptInstance::RPCMode get_rpc_mode() const { return rpc_mode; }
- GDFunction();
- ~GDFunction();
-};
-
-class GDFunctionState : public Reference {
-
- GDCLASS(GDFunctionState, Reference);
- friend class GDFunction;
- GDFunction *function;
- GDFunction::CallState state;
- Variant _signal_callback(const Variant **p_args, int p_argcount, Variant::CallError &r_error);
-
-protected:
- static void _bind_methods();
-
-public:
- bool is_valid(bool p_extended_check = false) const;
- Variant resume(const Variant &p_arg = Variant());
- GDFunctionState();
- ~GDFunctionState();
-};
-
-#endif // GD_FUNCTION_H