home *** CD-ROM | disk | FTP | other *** search
- // VirtualDub - Video processing and capture application
- // System library component
- // Copyright (C) 1998-2007 Avery Lee, All Rights Reserved.
- //
- // Beginning with 1.6.0, the VirtualDub system library is licensed
- // differently than the remainder of VirtualDub. This particular file is
- // thus licensed as follows (the "zlib" license):
- //
- // This software is provided 'as-is', without any express or implied
- // warranty. In no event will the authors be held liable for any
- // damages arising from the use of this software.
- //
- // Permission is granted to anyone to use this software for any purpose,
- // including commercial applications, and to alter it and redistribute it
- // freely, subject to the following restrictions:
- //
- // 1. The origin of this software must not be misrepresented; you must
- // not claim that you wrote the original software. If you use this
- // software in a product, an acknowledgment in the product
- // documentation would be appreciated but is not required.
- // 2. Altered source versions must be plainly marked as such, and must
- // not be misrepresented as being the original software.
- // 3. This notice may not be removed or altered from any source
- // distribution.
-
- #ifndef f_VD2_SYSTEM_PROTSCOPE_H
- #define f_VD2_SYSTEM_PROTSCOPE_H
-
- #ifdef _MSC_VER
- #pragma once
- #endif
-
- ///////////////////////////////////////////////////////////////////////////
- //
- // Protected scope macros
- //
- // These macros allow you to define a scope which is known to the crash
- // handler -- that is, if the application crashes within a protected scope
- // the handler will report the scope information in the crash output.
- //
-
- class VDProtectedAutoScope;
-
- typedef VDProtectedAutoScope *(*tpVDGetProtectedScopeLink)();
- typedef void (*tpVDSetProtectedScopeLink)(VDProtectedAutoScope *);
-
- extern tpVDGetProtectedScopeLink g_pVDGetProtectedScopeLink;
- extern tpVDSetProtectedScopeLink g_pVDSetProtectedScopeLink;
-
- // The reason for this function is a bug in the Intel compiler regarding
- // construction optimization -- it stores VDProtectedAutoScope::'vtable'
- // in the vtable slot instead of VDProtectedAutoScope1<T>::'vtable', thus
- // killing the printf()s. "volatile" doesn't work to fix the problem, but
- // calling an opaque global function does. Oh well.
-
- #ifdef __INTEL_COMPILER
- void VDProtectedAutoScopeICLWorkaround();
- #endif
-
- class IVDProtectedScopeOutput {
- public:
- virtual void write(const char *s) = 0;
- virtual void writef(const char *s, ...) = 0;
- };
-
- class VDProtectedAutoScope {
- public:
- VDProtectedAutoScope(const char *file, int line, const char *action) : mpFile(file), mLine(line), mpAction(action), mpLink(g_pVDGetProtectedScopeLink()) {
- // Note that the assignment to g_protectedScopeLink cannot occur here, as the
- // derived class has not been constructed yet. Uninitialized objects in
- // the debugging chain are *bad*.
- }
-
- ~VDProtectedAutoScope() {
- g_pVDSetProtectedScopeLink(mpLink);
- }
-
- operator bool() const { return false; }
-
- virtual void Write(IVDProtectedScopeOutput& out) {
- out.write(mpAction);
- }
-
- VDProtectedAutoScope *mpLink;
- const char *const mpFile;
- const int mLine;
- const char *const mpAction;
- };
-
- class VDProtectedAutoScopeData0 {
- public:
- VDProtectedAutoScopeData0(const char *file, int line, const char *action) : mpFile(file), mLine(line), mpAction(action) {}
- const char *const mpFile;
- const int mLine;
- const char *const mpAction;
- };
-
- template<class T1>
- class VDProtectedAutoScopeData1 {
- public:
- VDProtectedAutoScopeData1(const char *file, int line, const char *action, const T1 a1) : mpFile(file), mLine(line), mpAction(action), mArg1(a1) {}
- const char *const mpFile;
- const int mLine;
- const char *const mpAction;
- const T1 mArg1;
- };
-
- template<class T1, class T2>
- class VDProtectedAutoScopeData2 {
- public:
- VDProtectedAutoScopeData2(const char *file, int line, const char *action, const T1 a1, const T2 a2) : mpFile(file), mLine(line), mpAction(action), mArg1(a1), mArg2(a2) {}
- const char *const mpFile;
- const int mLine;
- const char *const mpAction;
- const T1 mArg1;
- const T2 mArg2;
- };
-
- template<class T1, class T2, class T3>
- class VDProtectedAutoScopeData3 {
- public:
- VDProtectedAutoScopeData3(const char *file, int line, const char *action, const T1 a1, const T2 a2, const T3 a3) : mpFile(file), mLine(line), mpAction(action), mArg1(a1), mArg2(a2), mArg3(a3) {}
- const char *const mpFile;
- const int mLine;
- const char *const mpAction;
- const T1 mArg1;
- const T2 mArg2;
- const T3 mArg3;
- };
-
- template<class T1, class T2, class T3, class T4>
- class VDProtectedAutoScopeData4 {
- public:
- VDProtectedAutoScopeData4(const char *file, int line, const char *action, const T1 a1, const T2 a2, const T3 a3, const T4 a4) : mpFile(file), mLine(line), mpAction(action), mArg1(a1), mArg2(a2), mArg3(a3), mArg4(a4) {}
- const char *const mpFile;
- const int mLine;
- const char *const mpAction;
- const T1 mArg1;
- const T2 mArg2;
- const T3 mArg3;
- const T4 mArg4;
- };
-
- class VDProtectedAutoScope0 : public VDProtectedAutoScope {
- public:
- VDProtectedAutoScope0(const VDProtectedAutoScopeData0& data) : VDProtectedAutoScope(data.mpFile, data.mLine, data.mpAction) {
- g_pVDSetProtectedScopeLink(this);
- #ifdef __INTEL_COMPILER
- VDProtectedAutoScopeICLWorkaround();
- #endif
- }
- };
-
- template<class T1>
- class VDProtectedAutoScope1 : public VDProtectedAutoScope {
- public:
- VDProtectedAutoScope1(const VDProtectedAutoScopeData1<T1>& data) : VDProtectedAutoScope(data.mpFile, data.mLine, data.mpAction), mArg1(data.mArg1) {
- g_pVDSetProtectedScopeLink(this);
- #ifdef __INTEL_COMPILER
- VDProtectedAutoScopeICLWorkaround();
- #endif
- }
-
- virtual void Write(IVDProtectedScopeOutput& out) {
- out.writef(mpAction, mArg1);
- }
-
- const T1 mArg1;
- };
-
- template<class T1, class T2>
- class VDProtectedAutoScope2 : public VDProtectedAutoScope {
- public:
- VDProtectedAutoScope2(const VDProtectedAutoScopeData2<T1,T2>& data) : VDProtectedAutoScope(data.mpFile, data.mLine, data.mpAction), mArg1(data.mArg1), mArg2(data.mArg2) {
- g_pVDSetProtectedScopeLink(this);
- #ifdef __INTEL_COMPILER
- VDProtectedAutoScopeICLWorkaround();
- #endif
- }
-
- virtual void Write(IVDProtectedScopeOutput& out) {
- out.writef(mpAction, mArg1, mArg2);
- }
-
- const T1 mArg1;
- const T2 mArg2;
- };
-
- template<class T1, class T2, class T3>
- class VDProtectedAutoScope3 : public VDProtectedAutoScope {
- public:
- VDProtectedAutoScope3(const VDProtectedAutoScopeData3<T1,T2,T3>& data) : VDProtectedAutoScope(data.mpFile, data.mLine, data.mpAction), mArg1(data.mArg1), mArg2(data.mArg2), mArg3(data.mArg3) {
- g_pVDSetProtectedScopeLink(this);
- #ifdef __INTEL_COMPILER
- VDProtectedAutoScopeICLWorkaround();
- #endif
- }
-
- virtual void Write(IVDProtectedScopeOutput& out) {
- out.writef(mpAction, mArg1, mArg2, mArg3);
- }
-
- const T1 mArg1;
- const T2 mArg2;
- const T3 mArg3;
- };
-
- template<class T1, class T2, class T3, class T4>
- class VDProtectedAutoScope4 : public VDProtectedAutoScope {
- public:
- VDProtectedAutoScope4(const VDProtectedAutoScopeData4<T1,T2,T3,T4>& data) : VDProtectedAutoScope(data.mpFile, data.mLine, data.mpAction), mArg1(data.mArg1), mArg2(data.mArg2), mArg3(data.mArg3), mArg4(data.mArg4) {
- g_pVDSetProtectedScopeLink(this);
- #ifdef __INTEL_COMPILER
- VDProtectedAutoScopeICLWorkaround();
- #endif
- }
-
- virtual void Write(IVDProtectedScopeOutput& out) {
- out.writef(mpAction, mArg1, mArg2, mArg3, mArg4);
- }
-
- const T1 mArg1;
- const T2 mArg2;
- const T3 mArg3;
- const T4 mArg4;
- };
-
-
- #define vdprotected(action) vdobjectscope(VDProtectedAutoScope0 autoscope = VDProtectedAutoScopeData0(__FILE__, __LINE__, action))
- #define vdprotected1(actionf, type1, arg1) vdobjectscope(VDProtectedAutoScope1<type1> autoscope = VDProtectedAutoScopeData1<type1>(__FILE__, __LINE__, actionf, arg1))
-
- // @(* preprocessor doesn't view template brackets as escaping commas, so we have a slight
- // problem....
-
- #if defined(VD_COMPILER_MSVC) && (VD_COMPILER_MSVC < 1400 || defined(VD_COMPILER_MSVC_VC8_DDK))
- #define vdprotected2(actionf, type1, arg1, type2, arg2) if(VDProtectedAutoScope2<type1, type2> autoscope = VDProtectedAutoScopeData2<type1, type2>(__FILE__, __LINE__, actionf, arg1, arg2)) VDNEVERHERE; else
- #define vdprotected3(actionf, type1, arg1, type2, arg2, type3, arg3) if(VDProtectedAutoScope3<type1, type2, type3> autoscope = VDProtectedAutoScopeData3<type1, type2, type3>(__FILE__, __LINE__, actionf, arg1, arg2, arg3)) VDNEVERHERE; else
- #define vdprotected4(actionf, type1, arg1, type2, arg2, type3, arg3, type4, arg4) if(VDProtectedAutoScope4<type1, type2, type3, type4> autoscope = VDProtectedAutoScopeData4<type1, type2, type3, type4>(__FILE__, __LINE__, actionf, arg1, arg2, arg3, arg4)) VDNEVERHERE; else
- #else
- #define vdprotected2(actionf, type1, arg1, type2, arg2) switch(VDProtectedAutoScope2<type1, type2> autoscope = VDProtectedAutoScopeData2<type1, type2>(__FILE__, __LINE__, actionf, arg1, arg2)) case 0: default:
- #define vdprotected3(actionf, type1, arg1, type2, arg2, type3, arg3) switch(VDProtectedAutoScope3<type1, type2, type3> autoscope = VDProtectedAutoScopeData3<type1, type2, type3>(__FILE__, __LINE__, actionf, arg1, arg2, arg3)) case 0: default:
- #define vdprotected4(actionf, type1, arg1, type2, arg2, type3, arg3, type4, arg4) switch(VDProtectedAutoScope4<type1, type2, type3, type4> autoscope = VDProtectedAutoScopeData4<type1, type2, type3, type4>(__FILE__, __LINE__, actionf, arg1, arg2, arg3, arg4)) case 0: default:
- #endif
-
- #endif
-