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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122456 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach 2010-12-22 23:26:02 +00:00
parent f50125ecaa
commit 9584bd83e6
1 changed files with 15 additions and 15 deletions
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30
lib/Target/ARM/AsmParser/ARMAsmLexer.cpp
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@ -28,20 +28,20 @@
using namespace llvm;
namespace {
class ARMBaseAsmLexer : public TargetAsmLexer {
const MCAsmInfo &AsmInfo;
const AsmToken &lexDefinite() {
return getLexer()->Lex();
}
AsmToken LexTokenUAL();
protected:
typedef std::map <std::string, unsigned> rmap_ty;
rmap_ty RegisterMap;
void InitRegisterMap(const TargetRegisterInfo *info) {
unsigned numRegs = info->getNumRegs();
@ -51,7 +51,7 @@ namespace {
RegisterMap[regName] = i;
}
}
unsigned MatchRegisterName(StringRef Name) {
rmap_ty::iterator iter = RegisterMap.find(Name.str());
if (iter != RegisterMap.end())
@ -59,13 +59,13 @@ namespace {
else
return 0;
}
AsmToken LexToken() {
if (!Lexer) {
SetError(SMLoc(), "No MCAsmLexer installed");
return AsmToken(AsmToken::Error, "", 0);
}
switch (AsmInfo.getAssemblerDialect()) {
default:
SetError(SMLoc(), "Unhandled dialect");
@ -79,26 +79,26 @@ namespace {
: TargetAsmLexer(T), AsmInfo(MAI) {
}
};
class ARMAsmLexer : public ARMBaseAsmLexer {
public:
ARMAsmLexer(const Target &T, const MCAsmInfo &MAI)
: ARMBaseAsmLexer(T, MAI) {
std::string tripleString("arm-unknown-unknown");
std::string featureString;
OwningPtr<const TargetMachine>
OwningPtr<const TargetMachine>
targetMachine(T.createTargetMachine(tripleString, featureString));
InitRegisterMap(targetMachine->getRegisterInfo());
}
};
class ThumbAsmLexer : public ARMBaseAsmLexer {
public:
ThumbAsmLexer(const Target &T, const MCAsmInfo &MAI)
: ARMBaseAsmLexer(T, MAI) {
std::string tripleString("thumb-unknown-unknown");
std::string featureString;
OwningPtr<const TargetMachine>
OwningPtr<const TargetMachine>
targetMachine(T.createTargetMachine(tripleString, featureString));
InitRegisterMap(targetMachine->getRegisterInfo());
}
@ -107,7 +107,7 @@ namespace {
AsmToken ARMBaseAsmLexer::LexTokenUAL() {
const AsmToken &lexedToken = lexDefinite();
switch (lexedToken.getKind()) {
default:
return AsmToken(lexedToken);
@ -119,9 +119,9 @@ AsmToken ARMBaseAsmLexer::LexTokenUAL() {
std::string upperCase = lexedToken.getString().str();
std::string lowerCase = LowercaseString(upperCase);
StringRef lowerRef(lowerCase);
unsigned regID = MatchRegisterName(lowerRef);
if (regID) {
return AsmToken(AsmToken::Register,
lexedToken.getString(),