diff options
Diffstat (limited to 'modules/gdscript/gd_function.h')
| -rw-r--r-- | modules/gdscript/gd_function.h | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/modules/gdscript/gd_function.h b/modules/gdscript/gd_function.h new file mode 100644 index 0000000000..1f790eaadc --- /dev/null +++ b/modules/gdscript/gd_function.h @@ -0,0 +1,207 @@ +#ifndef GD_FUNCTION_H +#define GD_FUNCTION_H + +#include "self_list.h" +#include "os/thread.h" +#include "pair.h" +#include "variant.h" +#include "string_db.h" +#include "reference.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_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 + }; + + 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; + 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 { + + 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; } + + 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]; +#endif + return StringName(); + + } + 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); + + GDFunction(); + ~GDFunction(); +}; + + +class GDFunctionState : public Reference { + + OBJ_TYPE(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() const; + Variant resume(const Variant& p_arg=Variant()); + GDFunctionState(); + ~GDFunctionState(); +}; + + +#endif // GD_FUNCTION_H |