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baldurk
130 lines
6.9 KiB
C
130 lines
6.9 KiB
C
/******************************************************************************
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* The MIT License (MIT)
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*
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* Copyright (c) 2019-2021 Baldur Karlsson
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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******************************************************************************/
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#pragma once
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#ifdef RDCASSERTMSG
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#error RDCASSERTMSG already defined when including custom_assert.h
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#endif
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////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// excellent set of macros to wrap individual parameters in a varargs macro expansion.
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// See: http://stackoverflow.com/a/1872506/4070143
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// http://groups.google.com/group/comp.std.c/browse_thread/thread/77ee8c8f92e4a3fb/346fc464319b1ee5
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//
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// Some modification needed on VC++.
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// See: http://compgroups.net/comp.lang.c++/visual-c++-too-few-many-args-warnings-for-apply/2075805
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//
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// A few more twiddles by hand to get everything playing nicely
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#define RDCASSERT_FAILMSG_1(value) failmsg += (STRINGIZE(value) "=") + ToStr(value) + ", ";
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#define RDCASSERT_FAILMSG_2(value, _1) \
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failmsg += (STRINGIZE(value) "=") + ToStr(value) + ", "; \
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RDCASSERT_FAILMSG_1(_1)
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#define RDCASSERT_FAILMSG_3(value, _1, _2) \
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failmsg += (STRINGIZE(value) "=") + ToStr(value) + ", "; \
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RDCASSERT_FAILMSG_2(_1, _2)
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#define RDCASSERT_FAILMSG_4(value, _1, _2, _3) \
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failmsg += (STRINGIZE(value) "=") + ToStr(value) + ", "; \
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RDCASSERT_FAILMSG_3(_1, _2, _3)
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#define RDCASSERT_FAILMSG_5(value, _1, _2, _3, _4) \
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failmsg += (STRINGIZE(value) "=") + ToStr(value) + ", "; \
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RDCASSERT_FAILMSG_4(_1, _2, _3, _4)
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#define RDCASSERT_FAILMSG_6(value, _1, _2, _3, _4, _5) \
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failmsg += (STRINGIZE(value) "=") + ToStr(value) + ", "; \
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RDCASSERT_FAILMSG_5(_1, _2, _3, _4, _5)
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#define RDCASSERT_FAILMSG_7(value, _1, _2, _3, _4, _5, _6) \
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failmsg += (STRINGIZE(value) "=") + ToStr(value) + ", "; \
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RDCASSERT_FAILMSG_6(_1, _2, _3, _4, _5, _6)
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#define RDCASSERT_FAILMSG_8(value, _1, _2, _3, _4, _5, _6, _7) \
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failmsg += (STRINGIZE(value) "=") + ToStr(value) + ", "; \
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RDCASSERT_FAILMSG_7(_1, _2, _3, _4, _5, _6, _7)
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// this is the terminating clause
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#define RDCASSERT_FAILMSG_DISCARD_1(cond)
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#define RDCASSERT_FAILMSG_DISCARD_2(cond, _1) RDCASSERT_FAILMSG_1(_1)
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#define RDCASSERT_FAILMSG_DISCARD_3(cond, _1, _2) RDCASSERT_FAILMSG_2(_1, _2)
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#define RDCASSERT_FAILMSG_DISCARD_4(cond, _1, _2, _3) RDCASSERT_FAILMSG_3(_1, _2, _3)
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#define RDCASSERT_FAILMSG_DISCARD_5(cond, _1, _2, _3, _4) RDCASSERT_FAILMSG_4(_1, _2, _3, _4)
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#define RDCASSERT_FAILMSG_DISCARD_6(cond, _1, _2, _3, _4, _5) \
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RDCASSERT_FAILMSG_5(_1, _2, _3, _4, _5)
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#define RDCASSERT_FAILMSG_DISCARD_7(cond, _1, _2, _3, _4, _5, _6) \
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RDCASSERT_FAILMSG_6(_1, _2, _3, _4, _5, _6)
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#define RDCASSERT_FAILMSG_DISCARD_8(cond, _1, _2, _3, _4, _5, _6, _7) \
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RDCASSERT_FAILMSG_7(_1, _2, _3, _4, _5, _6, _7)
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#define RDCASSERT_FAILMSG_NARG(...) RDCASSERT_FAILMSG_NARG_(__VA_ARGS__, RDCASSERT_FAILMSG_RSEQ_N())
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#define RDCASSERT_FAILMSG_ARG_N(_1, _2, _3, _4, _5, _6, _7, _8, N, ...) N
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#define RDCASSERT_FAILMSG_RSEQ_N() 8, 7, 6, 5, 4, 3, 2, 1, 0
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#define RDCASSERT_FAILMSG(...) RDCASSERT_FAILMSG_(RDCASSERT_FAILMSG_NARG(__VA_ARGS__), __VA_ARGS__)
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#define RDCASSERT_GETCOND(cond, ...) cond
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#if ENABLED(RDOC_MSVS)
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// only needed on VC++, but unfortunately breaks on g++/clang++
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#define RDCASSERT_FAILMSG_INVOKE(macro, args) macro args
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#define RDCASSERT_FAILMSG_NARG_(...) \
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RDCASSERT_FAILMSG_INVOKE(RDCASSERT_FAILMSG_ARG_N, (__VA_ARGS__))
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#define RDCASSERT_FAILMSG_(N, ...) \
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RDCASSERT_FAILMSG_INVOKE(CONCAT(RDCASSERT_FAILMSG_DISCARD_, N), (__VA_ARGS__))
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#define RDCASSERT_IFCOND(cond, ...) RDCASSERT_FAILMSG_INVOKE(RDCASSERT_GETCOND, (cond))
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#else
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#define RDCASSERT_FAILMSG_NARG_(...) RDCASSERT_FAILMSG_ARG_N(__VA_ARGS__)
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#define RDCASSERT_FAILMSG_(N, ...) CONCAT(RDCASSERT_FAILMSG_DISCARD_, N)(__VA_ARGS__)
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#define RDCASSERT_IFCOND(cond, ...) (cond)
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#endif
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////////////////////////////////////////////////////////////////////////////////////////////////////////////
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#define RDCASSERTMSG(msg, ...) \
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do \
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{ \
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if(!(RDCASSERT_IFCOND(__VA_ARGS__))) \
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{ \
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const char custommsg[] = msg; \
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(void)custommsg; \
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rdcstr assertmsg = "'" STRINGIZE(RDCASSERT_GETCOND(__VA_ARGS__)) "' "; \
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assertmsg += (sizeof(custommsg) > 1) ? msg " " : ""; \
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rdcstr failmsg; \
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RDCASSERT_FAILMSG(__VA_ARGS__); \
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if(!failmsg.empty()) \
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{ \
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failmsg.pop_back(); \
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failmsg.pop_back(); \
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} \
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rdcstr combinedmsg = assertmsg + (failmsg.empty() ? "" : "(" + failmsg + ")"); \
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rdcassert(combinedmsg.c_str(), __FILE__, __LINE__, __PRETTY_FUNCTION_SIGNATURE__); \
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rdclog_flush(); \
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RDCBREAK(); \
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} \
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} while((void)0, 0)
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