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00001 /* local_class.h - macros for defining local classes and generics in a MAXScript extension .dlx 00002 * 00003 * 00004 * Copyright (c) Autodesk, Inc. 1988. John Wainwright. 00005 * 00006 */ 00007 00008 #pragma once 00009 00010 #include "ClassCfg.h" 00011 class Value; 00012 00013 #define local_visible_class(_cls) \ 00014 class _cls##Class : public ValueMetaClass \ 00015 { \ 00016 public: \ 00017 _cls##Class(MCHAR* name) : ValueMetaClass (name) { } \ 00018 void collect() { delete this; } \ 00019 }; \ 00020 extern _cls##Class _cls##_class; 00021 00022 #define local_applyable_class(_cls) \ 00023 class _cls##Class : public ValueMetaClass \ 00024 { \ 00025 public: \ 00026 _cls##Class(MCHAR* name) : ValueMetaClass (name) { } \ 00027 void collect() { delete this; } \ 00028 Value* apply(Value** arglist, int count, CallContext* cc = NULL); \ 00029 }; \ 00030 extern _cls##Class _cls##_class; 00031 00032 #define local_visible_class_instance(_cls, _name) \ 00033 _cls##Class _cls##_class (_M(_name)); 00034 00035 class MS_LOCAL_ROOT_CLASS; 00036 typedef Value* (MS_LOCAL_ROOT_CLASS::*local_value_vf)(Value**, int); 00037 // confusing macros. Do not use them. 00038 #define cat0(_a) _a 00039 #define cat1(_a) cat0(_a) 00040 #define cat2(_a, _b) cat0(_a)##cat0(_b) 00041 #define str0(_c) #_c 00042 #define str1(_c) str0(_c) 00043 00050 00051 #define CONCATENATE_HELPER(x,y) x##y 00052 00053 #define CONCATENATE(x,y) CONCATENATE_HELPER(x,y) 00054 00055 00056 #define MS_LOCAL_ROOT_CLASS_TAG &CONCATENATE(MS_LOCAL_ROOT_CLASS, _class) 00057 #define MS_LOCAL_GENERIC_CLASS_TAG &CONCATENATE(MS_LOCAL_GENERIC_CLASS, _class) 00058 #define MS_LOCAL_GENERIC_CLASS_CLASS CONCATENATE(MS_LOCAL_GENERIC_CLASS, Class) 00059 #define MS_LOCAL_GENERIC_CLASS_class CONCATENATE(MS_LOCAL_GENERIC_CLASS, _class)