mirror of https://github.com/python/cpython
Issue #5078: Avoid redundant call to FormatError()
This commit is contained in:
Thomas Heller
parent
208b00d03f
commit
e09f161618
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@ -234,154 +234,150 @@ static TCHAR *FormatError(DWORD code)
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}
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#ifndef DONT_USE_SEH
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void SetException(DWORD code, EXCEPTION_RECORD *pr)
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static void SetException(DWORD code, EXCEPTION_RECORD *pr)
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{
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TCHAR *lpMsgBuf;
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lpMsgBuf = FormatError(code);
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if(lpMsgBuf) {
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PyErr_SetFromWindowsErr(code);
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LocalFree(lpMsgBuf);
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} else {
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switch (code) {
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case EXCEPTION_ACCESS_VIOLATION:
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/* The thread attempted to read from or write
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to a virtual address for which it does not
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have the appropriate access. */
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if (pr->ExceptionInformation[0] == 0)
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PyErr_Format(PyExc_WindowsError,
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"exception: access violation reading %p",
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pr->ExceptionInformation[1]);
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else
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PyErr_Format(PyExc_WindowsError,
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"exception: access violation writing %p",
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pr->ExceptionInformation[1]);
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break;
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case EXCEPTION_BREAKPOINT:
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/* A breakpoint was encountered. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: breakpoint encountered");
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break;
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case EXCEPTION_DATATYPE_MISALIGNMENT:
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/* The thread attempted to read or write data that is
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misaligned on hardware that does not provide
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alignment. For example, 16-bit values must be
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aligned on 2-byte boundaries, 32-bit values on
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4-byte boundaries, and so on. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: datatype misalignment");
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break;
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case EXCEPTION_SINGLE_STEP:
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/* A trace trap or other single-instruction mechanism
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signaled that one instruction has been executed. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: single step");
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break;
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case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
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/* The thread attempted to access an array element
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that is out of bounds, and the underlying hardware
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supports bounds checking. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: array bounds exceeded");
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break;
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case EXCEPTION_FLT_DENORMAL_OPERAND:
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/* One of the operands in a floating-point operation
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is denormal. A denormal value is one that is too
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small to represent as a standard floating-point
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value. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: floating-point operand denormal");
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break;
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case EXCEPTION_FLT_DIVIDE_BY_ZERO:
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/* The thread attempted to divide a floating-point
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value by a floating-point divisor of zero. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: float divide by zero");
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break;
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case EXCEPTION_FLT_INEXACT_RESULT:
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/* The result of a floating-point operation cannot be
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represented exactly as a decimal fraction. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: float inexact");
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break;
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case EXCEPTION_FLT_INVALID_OPERATION:
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/* This exception represents any floating-point
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exception not included in this list. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: float invalid operation");
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break;
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case EXCEPTION_FLT_OVERFLOW:
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/* The exponent of a floating-point operation is
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greater than the magnitude allowed by the
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corresponding type. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: float overflow");
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break;
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case EXCEPTION_FLT_STACK_CHECK:
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/* The stack overflowed or underflowed as the result
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of a floating-point operation. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: stack over/underflow");
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break;
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case EXCEPTION_STACK_OVERFLOW:
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/* The stack overflowed or underflowed as the result
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of a floating-point operation. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: stack overflow");
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break;
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case EXCEPTION_FLT_UNDERFLOW:
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/* The exponent of a floating-point operation is less
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than the magnitude allowed by the corresponding
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type. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: float underflow");
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break;
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case EXCEPTION_INT_DIVIDE_BY_ZERO:
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/* The thread attempted to divide an integer value by
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an integer divisor of zero. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: integer divide by zero");
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break;
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case EXCEPTION_INT_OVERFLOW:
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/* The result of an integer operation caused a carry
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out of the most significant bit of the result. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: integer overflow");
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break;
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case EXCEPTION_PRIV_INSTRUCTION:
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/* The thread attempted to execute an instruction
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whose operation is not allowed in the current
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machine mode. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: priviledged instruction");
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break;
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case EXCEPTION_NONCONTINUABLE_EXCEPTION:
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/* The thread attempted to continue execution after a
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noncontinuable exception occurred. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: nocontinuable");
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break;
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default:
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printf("error %d\n", code);
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/* The 'code' is a normal win32 error code so it could be handled by
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PyErr_SetFromWindowsErr(). However, for some errors, we have additional
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information not included in the error code. We handle those here and
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delegate all others to the generic function. */
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switch (code) {
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case EXCEPTION_ACCESS_VIOLATION:
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/* The thread attempted to read from or write
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to a virtual address for which it does not
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have the appropriate access. */
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if (pr->ExceptionInformation[0] == 0)
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PyErr_Format(PyExc_WindowsError,
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"exception code 0x%08x",
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code);
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break;
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}
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"exception: access violation reading %p",
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pr->ExceptionInformation[1]);
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else
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PyErr_Format(PyExc_WindowsError,
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"exception: access violation writing %p",
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pr->ExceptionInformation[1]);
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break;
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case EXCEPTION_BREAKPOINT:
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/* A breakpoint was encountered. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: breakpoint encountered");
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break;
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case EXCEPTION_DATATYPE_MISALIGNMENT:
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/* The thread attempted to read or write data that is
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misaligned on hardware that does not provide
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alignment. For example, 16-bit values must be
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aligned on 2-byte boundaries, 32-bit values on
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4-byte boundaries, and so on. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: datatype misalignment");
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break;
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case EXCEPTION_SINGLE_STEP:
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/* A trace trap or other single-instruction mechanism
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signaled that one instruction has been executed. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: single step");
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break;
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case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
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/* The thread attempted to access an array element
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that is out of bounds, and the underlying hardware
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supports bounds checking. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: array bounds exceeded");
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break;
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case EXCEPTION_FLT_DENORMAL_OPERAND:
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/* One of the operands in a floating-point operation
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is denormal. A denormal value is one that is too
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small to represent as a standard floating-point
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value. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: floating-point operand denormal");
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break;
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case EXCEPTION_FLT_DIVIDE_BY_ZERO:
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/* The thread attempted to divide a floating-point
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value by a floating-point divisor of zero. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: float divide by zero");
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break;
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case EXCEPTION_FLT_INEXACT_RESULT:
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/* The result of a floating-point operation cannot be
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represented exactly as a decimal fraction. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: float inexact");
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break;
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case EXCEPTION_FLT_INVALID_OPERATION:
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/* This exception represents any floating-point
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exception not included in this list. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: float invalid operation");
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break;
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case EXCEPTION_FLT_OVERFLOW:
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/* The exponent of a floating-point operation is
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greater than the magnitude allowed by the
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corresponding type. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: float overflow");
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break;
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case EXCEPTION_FLT_STACK_CHECK:
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/* The stack overflowed or underflowed as the result
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of a floating-point operation. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: stack over/underflow");
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break;
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case EXCEPTION_STACK_OVERFLOW:
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/* The stack overflowed or underflowed as the result
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of a floating-point operation. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: stack overflow");
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break;
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case EXCEPTION_FLT_UNDERFLOW:
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/* The exponent of a floating-point operation is less
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than the magnitude allowed by the corresponding
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type. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: float underflow");
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break;
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case EXCEPTION_INT_DIVIDE_BY_ZERO:
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/* The thread attempted to divide an integer value by
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an integer divisor of zero. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: integer divide by zero");
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break;
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case EXCEPTION_INT_OVERFLOW:
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/* The result of an integer operation caused a carry
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out of the most significant bit of the result. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: integer overflow");
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break;
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case EXCEPTION_PRIV_INSTRUCTION:
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/* The thread attempted to execute an instruction
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whose operation is not allowed in the current
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machine mode. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: priviledged instruction");
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break;
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case EXCEPTION_NONCONTINUABLE_EXCEPTION:
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/* The thread attempted to continue execution after a
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noncontinuable exception occurred. */
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PyErr_SetString(PyExc_WindowsError,
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"exception: nocontinuable");
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break;
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default:
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PyErr_SetFromWindowsErr(code);
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break;
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}
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}
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