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Add static cast to unsigned char whenever a character classification function is called with a signed char argument, in order to avoid assertions in Windows Debug configuration.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175006 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Guy Benyei
2013-02-12 21:21:59 +00:00
parent 5f3c4a3910
commit 87d0b9ed14
18 changed files with 80 additions and 56 deletions
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9
lib/MC/MCParser/AsmParser.cpp
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@@ -1622,7 +1622,8 @@ void AsmParser::DiagHandler(const SMDiagnostic &Diag, void *Context) {
// we can't do that. AsmLexer.cpp should probably be changed to handle
// '@' as a special case when needed.
static bool isIdentifierChar(char c) {
return isalnum(c) || c == '_' || c == '$' || c == '.';
return isalnum(static_cast<unsigned char>(c)) || c == '_' || c == '$' ||
c == '.';
}
bool AsmParser::expandMacro(raw_svector_ostream &OS, StringRef Body,
@@ -1646,7 +1647,8 @@ bool AsmParser::expandMacro(raw_svector_ostream &OS, StringRef Body,
continue;
char Next = Body[Pos + 1];
if (Next == '$' || Next == 'n' || isdigit(Next))
if (Next == '$' || Next == 'n' ||
isdigit(static_cast<unsigned char>(Next)))
break;
} else {
// This macro has parameters, look for \foo, \bar, etc.
@@ -3094,7 +3096,8 @@ void AsmParser::CheckForBadMacro(SMLoc DirectiveLoc, StringRef Name,
if (Body[Pos] != '$' || Pos + 1 == End)
continue;
char Next = Body[Pos + 1];
if (Next == '$' || Next == 'n' || isdigit(Next))
if (Next == '$' || Next == 'n' ||
isdigit(static_cast<unsigned char>(Next)))
break;
}