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make the lexer unique strings it lexes instead of passing them back as

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std::strings.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74036 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2009-06-24 00:33:19 +00:00
parent aa551ae10e
commit faf32c102d
3 changed files with 29 additions and 7 deletions
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10
tools/llvm-mc/AsmLexer.h
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@@ -55,20 +55,24 @@ class AsmLexer {
const char *CurPtr;
const MemoryBuffer *CurBuf;
// A llvm::StringSet<>, which provides uniqued and null-terminated strings.
void *TheStringSet;
// Information about the current token.
const char *TokStart;
asmtok::TokKind CurKind;
std::string CurStrVal; // This is valid for Identifier.
const char *CurStrVal; // This is valid for Identifier.
int64_t CurIntVal;
/// CurBuffer - This is the current buffer index we're lexing from as managed
/// by the SourceMgr object.
int CurBuffer;
void operator=(const AsmLexer&); // DO NOT IMPLEMENT
AsmLexer(const AsmLexer&); // DO NOT IMPLEMENT
public:
AsmLexer(SourceMgr &SrcMgr);
~AsmLexer() {}
~AsmLexer();
asmtok::TokKind Lex() {
return CurKind = LexToken();
@@ -78,7 +82,7 @@ public:
bool is(asmtok::TokKind K) const { return CurKind == K; }
bool isNot(asmtok::TokKind K) const { return CurKind != K; }
const std::string &getCurStrVal() const {
const char *getCurStrVal() const {
assert((CurKind == asmtok::Identifier || CurKind == asmtok::Register ||
CurKind == asmtok::String) &&
"This token doesn't have a string value");