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lucas doremus
2026-06-22 11:49:35 +02:00
commit d805f2ba86
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include/modules/script_squirrel/cobject/squirrel_bindings_utils.h Normal file
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/* -----------------------------------------------------------------------------
GSFramework
Copyright 2001-2013 Emmanuel Julien. All Rights Reserved.
----------------------------------------------------------------------------- */
#ifndef __CU_BINDING_UTILS__
#define __CU_BINDING_UTILS__
#include "squirrel.h"
#include "script_squirrel/cobject/squirrel_object.h"
namespace GS {
namespace Script {
class CObject;
}
}
struct ScriptClassMemberDecl
{
const SQChar *name;
SQFUNCTION func;
int params;
const SQChar *typemask;
};
struct SquirrelClassDecl
{
const SQChar *name;
const SQChar *base;
const ScriptClassMemberDecl *members;
};
struct ScriptConstantDecl
{
const SQChar *name;
SQObjectType type;
union value
{
value(int v = 0) { i = v; }
value(float v) { f = v; }
value(const SQChar *v) { s = v; }
float f;
int i;
const SQChar *s;
} val;
};
struct ScriptNamespaceDecl
{
const SQChar *name;
const ScriptClassMemberDecl *members;
const ScriptConstantDecl *constants;
const ScriptClassMemberDecl *delegate;
};
//------------------------------------------------------------------------------
#define case_ItemDerived \
case typetag_Camera: \
case typetag_Object: \
case typetag_Light: \
case typetag_Trigger: \
case typetag_Item:
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
#define _GetCObject(_CPP_CLASS, _TYPETAG, _VAR, _IDX) \
_CPP_CLASS *_VAR = NULL; \
{ \
_GetParamAt(GS::Script::CObject, CObject, _IDX) \
if (self->type != _TYPETAG) \
return sa.ThrowError("Invalid type"); \
if (!self->native) \
return sa.ThrowError("Object is null"); \
_VAR = (_CPP_CLASS *)self->native; \
}
#define _GetSelfNonNull \
_GetSelf(GS::Script::CObject, CObject); \
if (!self->native) \
return sa.ThrowError("Object is null");
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
#define _BEGIN_CLASS(classname)\
SQInteger __##classname##__SCypeof(HSQUIRRELVM v)\
{\
sq_pushstring(v,_SC(#classname),-1);\
return 1;\
}\
struct ScriptClassMemberDecl __##classname##_members[] = {\
{_SC("_SCypeof"),__##classname##__SCypeof,1,NULL},
#define _BEGIN_NAMESPACE(xnamespace) struct ScriptClassMemberDecl __##xnamespace##_members[] = {
#define _BEGIN_NAMESPACE_CONSTANTS(xnamespace) {NULL,NULL,NULL,NULL}}; \
struct ScriptConstantDecl __##xnamespace##_constants[] = {
#define _BEGIN_DELEGATE(xnamespace) struct ScriptClassMemberDecl __##xnamespace##_delegate[] = {
#define _DELEGATE(xnamespace) __##xnamespace##_delegate
#define _END_DELEGATE(classname) {NULL,NULL,NULL,NULL}};
#define _CONSTANT(name,type,val) {_SC(#name),type,val},
#define _CONSTANT_IMPL(name,type) {_SC(#name),type,name},
#define _MEMBER_FUNCTION(classname,name,nparams,typemask) \
{_SC(#name),__##classname##_##name,nparams,typemask},
#define _END_NAMESPACE(classname,delegate) {NULL,OT_NULL,0}}; \
struct ScriptNamespaceDecl __##classname##_decl = { \
_SC(#classname), __##classname##_members,__##classname##_constants,delegate };
#define _END_CLASS(classname) {NULL,NULL,NULL,NULL}}; \
struct SquirrelClassDecl __##classname##_decl = { \
_SC(#classname), NULL, __##classname##_members };
#define _END_CLASS_INHERITANCE(classname,base) {NULL,NULL,NULL,NULL}}; \
struct SquirrelClassDecl __##classname##_decl = { \
_SC(#classname), _SC(#base), __##classname##_members };
#define _MEMBER_FUNCTION_IMPL(classname,name) \
SQInteger __##classname##_##name(HSQUIRRELVM v) \
{ \
StackHandler sa(v);
#define _END_IMPL }
#define _INIT_STATIC_NAMESPACE(vm,classname) CreateStaticNamespace(vm,&__##classname##_decl);
#define _INIT_CLASS(vm,classname)CreateClass(vm,&__##classname##_decl);
#define _DECL_STATIC_NAMESPACE(xnamespace) extern struct ScriptNamespaceDecl __##xnamespace##_decl;
#define _DECL_CLASS(classname) extern struct SquirrelClassDecl __##classname##_decl;
#define _GetSelf(cppclass,scriptclass) \
cppclass *self = NULL; \
if (SQ_FAILED(sq_getinstanceup(v,1,(SQUserPointer*)&self,(SQUserPointer)&__##scriptclass##_decl))) \
return sq_throwerror(v,_SC("Invalid instance type"));\
if (!self)\
return sa.ThrowError("Internal failure");
#define _GetParamAt(cppclass,scriptclass,idx) \
cppclass *self = NULL; \
if (SQ_FAILED(sq_getinstanceup(v,idx,(SQUserPointer*)&self,(SQUserPointer)&__##scriptclass##_decl))) \
return sq_throwerror(v,_SC("Invalid instance type")); \
if (!self) \
return sa.ThrowError("Internal failure");
#define _CHECK_INST_PARAM_RAW(pname,idx,cppclass,scriptclass) \
cppclass *pname = NULL; \
if (SQ_FAILED(sq_getinstanceup(v,idx,(SQUserPointer*)&pname,(SQUserPointer)&__##scriptclass##_decl))) pname = NULL;
//------------------------------------------------------------------------------
#define _GetTypedParam(pname,idx,cppclass,scriptclass) \
cppclass *pname = NULL; \
if (SQ_FAILED(sq_getinstanceup(v,idx,(SQUserPointer*)&pname,(SQUserPointer)&__##scriptclass##_decl))) \
return sq_throwerror(v,_SC("Invalid instance type"));
#define _CHECK_INST_PARAM_COBJECT(__PARAM__, __IDX__, __CPPCLASS__) \
__CPPCLASS__ *__PARAM__ = NULL; \
{ \
_GetTypedParam(c_object, __IDX__, GS::CObject, CObject) \
if (!c_object->c_object) \
return sq_throwerror(v, "C Object is null"); \
__PARAM__ = (__CPPCLASS__ *)c_object->c_object; \
}
#define _CHECK_INST_PARAM_BREAK(pname,idx,cppclass,scriptclass) \
cppclass *pname = NULL; \
if (SQ_FAILED(sq_getinstanceup(v,idx,(SQUserPointer*)&pname,(SQUserPointer)&__##scriptclass##_decl))) \
break;
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
#define _CLASS_SCAG(classname) ((SQUserPointer)&__##classname##_decl)
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
#define _DECL_NATIVE_CONSTRUCTION(classname,cppclass)\
bool push_##classname(HSQUIRRELVM v, const cppclass &quat);\
SquirrelObject new_##classname(HSQUIRRELVM v, const cppclass &quat);
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
#define _IMPL_NATIVE_CONSTRUCTION(classname, cppclass)\
static SQInteger classname##_release_hook(SQUserPointer p, SQInteger size)\
{\
if (p)\
{\
cppclass *pv = (cppclass *)p;\
delete pv;\
}\
return 0;\
}\
bool push_##classname(HSQUIRRELVM vm, const cppclass &quat)\
{\
cppclass *newquat = new cppclass;\
*newquat = quat;\
if (!CreateNativeClassInstance(vm,#classname,newquat,classname##_release_hook))\
{\
delete newquat;\
return false;\
}\
return true;\
}\
::SquirrelObject new_##classname(HSQUIRRELVM vm, const cppclass &quat)\
{\
::SquirrelObject ret(vm);\
if (push_##classname(vm, quat))\
{\
ret.AttachToStackObject(-1);\
sq_pop(vm, 1);\
}\
return ret;\
}\
int construct_##classname(HSQUIRRELVM vm, cppclass *p)\
{\
sq_setinstanceup(vm, 1, p);\
sq_setreleasehook(vm, 1, classname##_release_hook);\
return 1;\
}
//------------------------------------------------------------------------------
bool CreateStaticClass(HSQUIRRELVM v, SquirrelClassDecl *cd);
bool CreateStaticNamespace(HSQUIRRELVM v, ScriptNamespaceDecl *sn);
bool CreateClass(HSQUIRRELVM v, SquirrelClassDecl *cd);
bool InitScriptClasses(HSQUIRRELVM v);
bool CreateNativeClassInstance(HSQUIRRELVM v, const SQChar *classname, SQUserPointer ud, SQRELEASEHOOK hook);
int refcounted_release_hook(SQUserPointer p, int size);
int construct_RefCounted(void *p);
//------------------------------------------------------------------------------
#define _SA_RETURN_OBJECT(__EXP__) { ::SquirrelObject o = __EXP__; return sa.Return(o); }
#define _ReturnCObject(__OBJECT__, __TYPE__) { GS::Script::CObject::Push(v, __OBJECT__, __TYPE__); return 1; }
//------------------------------------------------------------------------------
#endif // __CU_BINDING_UTILS__