https://bugs.llvm.org/show_bug.cgi?id=42768
Bug ID: 42768
Summary: recognize aligned case statements
Product: clang
Version: unspecified
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: Formatter
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected]
Formatting this function currently does not make it more readable, as the
alignment of statements is lost.
Would it be possible to have an option to detect and ignore aligned cases ?
when inside a switch {
detect the:
<whitespace>case<.*>:<whitespace><statement>
pattern, maybe ?
// SEH (Structured Exception Handling) return codes are in the
0xC000000-0xfffff00 range
std::wstring GetSEHcodeDescription(DWORD code)
{
switch (code) {
case EXCEPTION_ACCESS_VIOLATION: return
L"EXCEPTION_ACCESS_VIOLATION";
case EXCEPTION_ARRAY_BOUNDS_EXCEEDED: return
L"EXCEPTION_ARRAY_BOUNDS_EXCEEDED";
case EXCEPTION_BREAKPOINT: return L"EXCEPTION_BREAKPOINT";
case EXCEPTION_DATATYPE_MISALIGNMENT: return
L"EXCEPTION_DATATYPE_MISALIGNMENT";
case EXCEPTION_FLT_DENORMAL_OPERAND: return
L"EXCEPTION_FLT_DENORMAL_OPERAND";
case EXCEPTION_FLT_DIVIDE_BY_ZERO: return
L"EXCEPTION_FLT_DIVIDE_BY_ZERO";
case EXCEPTION_FLT_INEXACT_RESULT: return
L"EXCEPTION_FLT_INEXACT_RESULT";
case EXCEPTION_FLT_INVALID_OPERATION: return
L"EXCEPTION_FLT_INVALID_OPERATION";
case EXCEPTION_FLT_OVERFLOW: return L"EXCEPTION_FLT_OVERFLOW";
case EXCEPTION_FLT_STACK_CHECK: return
L"EXCEPTION_FLT_STACK_CHECK";
case EXCEPTION_FLT_UNDERFLOW: return L"EXCEPTION_FLT_UNDERFLOW";
case EXCEPTION_ILLEGAL_INSTRUCTION: return
L"EXCEPTION_ILLEGAL_INSTRUCTION";
case EXCEPTION_IN_PAGE_ERROR: return L"EXCEPTION_IN_PAGE_ERROR";
case EXCEPTION_INT_DIVIDE_BY_ZERO: return
L"EXCEPTION_INT_DIVIDE_BY_ZERO";
case EXCEPTION_INT_OVERFLOW: return L"EXCEPTION_INT_OVERFLOW";
case EXCEPTION_INVALID_DISPOSITION: return
L"EXCEPTION_INVALID_DISPOSITION";
case EXCEPTION_NONCONTINUABLE_EXCEPTION: return
L"EXCEPTION_NONCONTINUABLE_EXCEPTION";
case EXCEPTION_PRIV_INSTRUCTION: return
L"EXCEPTION_PRIV_INSTRUCTION";
case EXCEPTION_SINGLE_STEP: return L"EXCEPTION_SINGLE_STEP";
case EXCEPTION_STACK_OVERFLOW: return
L"EXCEPTION_STACK_OVERFLOW";
// undocumented? but regularly seen codes
case 0xC0000142: return L"DllMain returned false";
case 0xC0000022: return L"executable or one of the
dependant dlls do not have execute rights";
default: return L"UNKNOWN EXCEPTION";
}
}
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