[4] | 1 | /**
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| 2 | * @file exception.cpp
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| 3 | * @author myusgun@gmail.com
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| 4 | * @brief exception
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| 5 | */
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| 6 | #include "cf/exception.h"
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| 7 |
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| 8 | #include <string.h>
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| 9 |
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| 10 | #ifdef _ON_WINDOWS
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| 11 | # include <windows.h>
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| 12 | #else
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| 13 | # include <errno.h>
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| 14 | #endif
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| 15 |
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| 16 | cf::exception::exception(const cf::char_t * message,
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| 17 | const cf::char_t * file,
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| 18 | const cf::int32_t line,
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| 19 | const cf::char_t * func)
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| 20 | : mMessage(message),
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| 21 | mFile(file),
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| 22 | mLine(line),
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| 23 | mFunction(func)
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| 24 | {
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| 25 | #ifndef _HPUX
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| 26 | mStack.push_back(*this);
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| 27 | #endif
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| 28 | }
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| 29 |
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| 30 | cf::exception::exception(const cf::exception & ex,
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| 31 | const cf::char_t * file,
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| 32 | const cf::int32_t line,
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| 33 | const cf::char_t * func)
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| 34 | : mMessage(ex.what()),
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| 35 | mFile(file),
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| 36 | mLine(line),
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| 37 | mFunction(func)
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| 38 | {
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| 39 | #ifndef _HPUX
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| 40 | mStack = ex.mStack;
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| 41 | mStack.push_back(*this);
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| 42 | #endif
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| 43 | }
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| 44 |
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| 45 | cf::exception::~exception()
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| 46 | throw ()
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| 47 | {
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| 48 | }
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| 49 |
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| 50 | const cf::char_t * cf::exception::what() const
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| 51 | throw ()
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| 52 | {
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| 53 | return mMessage.c_str();
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| 54 | }
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| 55 |
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| 56 | const cf::char_t * cf::exception::file() const
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| 57 | {
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| 58 | return mFile.c_str();
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| 59 | }
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| 60 |
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| 61 | cf::int32_t cf::exception::line() const
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| 62 | {
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| 63 | return mLine;
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| 64 | }
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| 65 |
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| 66 | const cf::char_t * cf::exception::function() const
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| 67 | {
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| 68 | return mFunction.c_str();
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| 69 | }
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| 70 |
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| 71 | std::string cf::exception::stackTrace() const
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| 72 | {
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| 73 | #ifdef _HPUX
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| 74 | return mMessage;
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| 75 | #else
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| 76 | cf::uint32_t iter = 0;
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| 77 | cf::formatter fmt;
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| 78 |
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| 79 | fmt << mStack[0].what();
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| 80 | for ( ; iter < mStack.size() ; iter++)
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| 81 | {
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| 82 | const cf::exception & ex = mStack[iter];
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| 83 |
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| 84 | fmt << "\n "
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| 85 | << "#" << iter << " "
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| 86 | << "[" << ex.file() << ":" << ex.line() << "]"
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| 87 | << "[" << ex.function() << "()]";
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| 88 | }
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| 89 | fmt << "\n";
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| 90 |
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| 91 | return fmt.str();
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| 92 | #endif
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| 93 | }
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| 94 |
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| 95 | cf::int32_t cf::exception::systemCode()
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| 96 | {
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| 97 | #ifdef _ON_WINDOWS
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| 98 | # define SYSERR() GetLastError()
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| 99 | #else
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| 100 | # define SYSERR() errno
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| 101 | #endif
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| 102 | return static_cast<cf::int32_t>(SYSERR());
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| 103 | }
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| 104 |
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| 105 | std::string cf::exception::systemMessage()
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| 106 | {
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| 107 | std::string msg;
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| 108 |
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| 109 | #ifdef _ON_WINDOWS
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| 110 | cf::char_t * ptr = NULL;
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| 111 | cf::size_t size = 0;
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| 112 | const cf::uint32_t flag = FORMAT_MESSAGE_ALLOCATE_BUFFER
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| 113 | | FORMAT_MESSAGE_FROM_SYSTEM
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| 114 | | FORMAT_MESSAGE_IGNORE_INSERTS;
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| 115 | const cf::uint32_t langID = MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT);
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| 116 |
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| 117 | size = FormatMessageA(flag, NULL, systemCode(), langID, (LPSTR)&ptr, 0, NULL);
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| 118 |
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| 119 | if (ptr && size > 0)
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| 120 | {
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| 121 | msg.assign(ptr, size);
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| 122 | LocalFree(ptr);
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| 123 | }
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| 124 | #else
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| 125 | msg = strerror(systemCode());
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| 126 | #endif
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| 127 |
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| 128 | return msg;
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| 129 | }
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