207 lines
4.4 KiB
C++
207 lines
4.4 KiB
C++
#ifndef GD_FUNCTION_H
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#define GD_FUNCTION_H
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#include "self_list.h"
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#include "os/thread.h"
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#include "pair.h"
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#include "variant.h"
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#include "string_db.h"
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#include "reference.h"
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class GDInstance;
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class GDScript;
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class GDFunction {
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public:
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enum Opcode {
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OPCODE_OPERATOR,
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OPCODE_EXTENDS_TEST,
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OPCODE_SET,
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OPCODE_GET,
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OPCODE_SET_NAMED,
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OPCODE_GET_NAMED,
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OPCODE_ASSIGN,
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OPCODE_ASSIGN_TRUE,
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OPCODE_ASSIGN_FALSE,
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OPCODE_CONSTRUCT, //only for basic types!!
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OPCODE_CONSTRUCT_ARRAY,
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OPCODE_CONSTRUCT_DICTIONARY,
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OPCODE_CALL,
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OPCODE_CALL_RETURN,
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OPCODE_CALL_BUILT_IN,
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OPCODE_CALL_SELF,
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OPCODE_CALL_SELF_BASE,
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OPCODE_YIELD,
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OPCODE_YIELD_SIGNAL,
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OPCODE_YIELD_RESUME,
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OPCODE_JUMP,
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OPCODE_JUMP_IF,
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OPCODE_JUMP_IF_NOT,
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OPCODE_JUMP_TO_DEF_ARGUMENT,
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OPCODE_RETURN,
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OPCODE_ITERATE_BEGIN,
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OPCODE_ITERATE,
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OPCODE_ASSERT,
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OPCODE_BREAKPOINT,
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OPCODE_LINE,
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OPCODE_END
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};
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enum Address {
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ADDR_BITS=24,
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ADDR_MASK=((1<<ADDR_BITS)-1),
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ADDR_TYPE_MASK=~ADDR_MASK,
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ADDR_TYPE_SELF=0,
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ADDR_TYPE_CLASS=1,
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ADDR_TYPE_MEMBER=2,
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ADDR_TYPE_CLASS_CONSTANT=3,
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ADDR_TYPE_LOCAL_CONSTANT=4,
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ADDR_TYPE_STACK=5,
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ADDR_TYPE_STACK_VARIABLE=6,
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ADDR_TYPE_GLOBAL=7,
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ADDR_TYPE_NIL=8
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};
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struct StackDebug {
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int line;
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int pos;
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bool added;
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StringName identifier;
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};
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private:
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friend class GDCompiler;
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StringName source;
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mutable Variant nil;
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mutable Variant *_constants_ptr;
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int _constant_count;
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const StringName *_global_names_ptr;
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int _global_names_count;
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const int *_default_arg_ptr;
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int _default_arg_count;
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const int *_code_ptr;
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int _code_size;
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int _argument_count;
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int _stack_size;
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int _call_size;
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int _initial_line;
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bool _static;
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GDScript *_script;
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StringName name;
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Vector<Variant> constants;
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Vector<StringName> global_names;
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Vector<int> default_arguments;
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Vector<int> code;
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#ifdef TOOLS_ENABLED
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Vector<StringName> arg_names;
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#endif
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List<StackDebug> stack_debug;
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_FORCE_INLINE_ Variant *_get_variant(int p_address,GDInstance *p_instance,GDScript *p_script,Variant &self,Variant *p_stack,String& r_error) const;
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_FORCE_INLINE_ String _get_call_error(const Variant::CallError& p_err, const String& p_where,const Variant**argptrs) const;
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friend class GDScriptLanguage;
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SelfList<GDFunction> function_list;
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#ifdef DEBUG_ENABLED
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CharString func_cname;
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const char*_func_cname;
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struct Profile {
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StringName signature;
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uint64_t call_count;
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uint64_t self_time;
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uint64_t total_time;
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uint64_t frame_call_count;
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uint64_t frame_self_time;
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uint64_t frame_total_time;
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uint64_t last_frame_call_count;
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uint64_t last_frame_self_time;
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uint64_t last_frame_total_time;
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} profile;
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#endif
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public:
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struct CallState {
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GDInstance *instance;
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Vector<uint8_t> stack;
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int stack_size;
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Variant self;
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uint32_t alloca_size;
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GDScript *_class;
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int ip;
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int line;
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int defarg;
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Variant result;
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};
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_FORCE_INLINE_ bool is_static() const { return _static; }
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const int* get_code() const; //used for debug
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int get_code_size() const;
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Variant get_constant(int p_idx) const;
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StringName get_global_name(int p_idx) const;
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StringName get_name() const;
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int get_max_stack_size() const;
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int get_default_argument_count() const;
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int get_default_argument_addr(int p_idx) const;
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GDScript *get_script() const { return _script; }
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void debug_get_stack_member_state(int p_line,List<Pair<StringName,int> > *r_stackvars) const;
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_FORCE_INLINE_ bool is_empty() const { return _code_size==0; }
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int get_argument_count() const { return _argument_count; }
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StringName get_argument_name(int p_idx) const {
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#ifdef TOOLS_ENABLED
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ERR_FAIL_INDEX_V(p_idx,arg_names.size(),StringName());
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return arg_names[p_idx];
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#endif
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return StringName();
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}
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Variant get_default_argument(int p_idx) const {
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ERR_FAIL_INDEX_V(p_idx,default_arguments.size(),Variant());
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return default_arguments[p_idx];
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}
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Variant call(GDInstance *p_instance,const Variant **p_args, int p_argcount,Variant::CallError& r_err,CallState *p_state=NULL);
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GDFunction();
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~GDFunction();
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};
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class GDFunctionState : public Reference {
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OBJ_TYPE(GDFunctionState,Reference);
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friend class GDFunction;
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GDFunction *function;
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GDFunction::CallState state;
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Variant _signal_callback(const Variant** p_args, int p_argcount, Variant::CallError& r_error);
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protected:
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static void _bind_methods();
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public:
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bool is_valid() const;
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Variant resume(const Variant& p_arg=Variant());
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GDFunctionState();
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~GDFunctionState();
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};
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#endif // GD_FUNCTION_H
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