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[ms-inline asm] Extract a helper function, getSpelling(). Also use this on 

tokens we don't know how to handle; this should aid when debugging.

llvm-svn: 162053
This commit is contained in:
Chad Rosier 2012-08-16 22:40:32 +00:00
parent 78f565b0a0
commit bf17e01fe5
1 changed files with 16 additions and 14 deletions
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30
clang/lib/Sema/SemaStmt.cpp
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@ -2773,6 +2773,16 @@ static bool isMSAsmKeyword(StringRef Name) {
return Ret;
}
static StringRef getSpelling(Sema &SemaRef, Token AsmTok) {
StringRef Asm;
SmallString<512> TokenBuf;
TokenBuf.resize(512);
bool StringInvalid = false;
Asm = SemaRef.PP.getSpelling(AsmTok, TokenBuf, &StringInvalid);
assert (!StringInvalid && "Expected valid string!");
return Asm;
}
static void patchMSAsmStrings(Sema &SemaRef, bool &IsSimple,
SourceLocation AsmLoc,
ArrayRef<Token> AsmToks,
@ -2824,6 +2834,7 @@ static void patchMSAsmStrings(Sema &SemaRef, bool &IsSimple,
switch (AsmToks[i].getKind()) {
default:
IsSimple = false;
Asm += getSpelling(SemaRef, AsmToks[i]);
break;
case tok::comma: Asm += ","; break;
case tok::colon: Asm += ":"; break;
@ -2831,14 +2842,9 @@ static void patchMSAsmStrings(Sema &SemaRef, bool &IsSimple,
case tok::r_square: Asm += "]"; break;
case tok::l_brace: Asm += "{"; break;
case tok::r_brace: Asm += "}"; break;
case tok::numeric_constant: {
SmallString<32> TokenBuf;
TokenBuf.resize(32);
bool StringInvalid = false;
Asm += SemaRef.PP.getSpelling(AsmToks[i], TokenBuf, &StringInvalid);
assert (!StringInvalid && "Expected valid string!");
case tok::numeric_constant:
Asm += getSpelling(SemaRef, AsmToks[i]);
break;
}
case tok::identifier: {
IdentifierInfo *II = AsmToks[i].getIdentifierInfo();
StringRef Name = II->getName();
@ -2907,11 +2913,9 @@ static std::string buildMSAsmString(Sema &SemaRef,
ArrayRef<Token> AsmToks,
unsigned &NumAsmStrings) {
assert (!AsmToks.empty() && "Didn't expect an empty AsmToks!");
SmallString<512> Asm;
SmallString<512> TokenBuf;
TokenBuf.resize(512);
NumAsmStrings = 0;
SmallString<512> Asm;
for (unsigned i = 0, e = AsmToks.size(); i < e; ++i) {
bool isNewAsm = i == 0 || AsmToks[i].isAtStartOfLine() ||
AsmToks[i].is(tok::kw_asm);
@ -2929,9 +2933,7 @@ static std::string buildMSAsmString(Sema &SemaRef,
if (i && AsmToks[i].hasLeadingSpace() && !isNewAsm)
Asm += ' ';
bool StringInvalid = false;
Asm += SemaRef.PP.getSpelling(AsmToks[i], TokenBuf, &StringInvalid);
assert (!StringInvalid && "Expected valid string!");
Asm += getSpelling(SemaRef, AsmToks[i]);
}
return Asm.c_str();
}