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Use llvm::hexDigitValue in comment lexer 

llvm-svn: 172924
This commit is contained in:
Dmitri Gribenko 2013-01-19 22:06:05 +00:00
parent c137ec8b70
commit b2e5482bd1
1 changed files with 2 additions and 6 deletions
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8
clang/lib/AST/CommentLexer.cpp
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@ -1,6 +1,7 @@
#include "clang/AST/CommentLexer.h"
#include "clang/AST/CommentCommandTraits.h"
#include "clang/Basic/ConvertUTF.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/Support/ErrorHandling.h"
@ -65,12 +66,7 @@ StringRef Lexer::resolveHTMLHexCharacterReference(StringRef Name) const {
CodePoint *= 16;
const char C = Name[i];
assert(isHTMLHexCharacterReferenceCharacter(C));
if (C >= '0' && C <= '9')
CodePoint += Name[i] - '0';
else if (C >= 'a' && C <= 'f')
CodePoint += Name[i] - 'a' + 10;
else
CodePoint += Name[i] - 'A' + 10;
CodePoint += llvm::hexDigitValue(C);
}
char *Resolved = Allocator.Allocate<char>(UNI_MAX_UTF8_BYTES_PER_CODE_POINT);