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https://github.com/c64scene-ar/llvm-6502.git
synced 2024-09-01 04:29:57 +00:00
Formatting changes. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122789 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -10,11 +10,6 @@
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#include "ARM.h"
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#include "ARMTargetMachine.h"
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#include "llvm/ADT/OwningPtr.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "llvm/MC/MCAsmInfo.h"
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#include "llvm/MC/MCParser/MCAsmLexer.h"
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#include "llvm/MC/MCParser/MCParsedAsmOperand.h"
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@ -23,6 +18,11 @@
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#include "llvm/Target/TargetMachine.h"
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#include "llvm/Target/TargetRegistry.h"
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#include "llvm/ADT/OwningPtr.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/ADT/StringSwitch.h"
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#include <string>
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#include <map>
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@ -30,93 +30,92 @@ using namespace llvm;
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namespace {
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class ARMBaseAsmLexer : public TargetAsmLexer {
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const MCAsmInfo &AsmInfo;
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class ARMBaseAsmLexer : public TargetAsmLexer {
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const MCAsmInfo &AsmInfo;
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const AsmToken &lexDefinite() {
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return getLexer()->Lex();
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const AsmToken &lexDefinite() {
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return getLexer()->Lex();
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}
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AsmToken LexTokenUAL();
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protected:
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typedef std::map <std::string, unsigned> rmap_ty;
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rmap_ty RegisterMap;
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void InitRegisterMap(const TargetRegisterInfo *info) {
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unsigned numRegs = info->getNumRegs();
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for (unsigned i = 0; i < numRegs; ++i) {
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const char *regName = info->getName(i);
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if (regName)
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RegisterMap[regName] = i;
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}
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}
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unsigned MatchRegisterName(StringRef Name) {
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rmap_ty::iterator iter = RegisterMap.find(Name.str());
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if (iter != RegisterMap.end())
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return iter->second;
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else
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return 0;
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}
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AsmToken LexToken() {
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if (!Lexer) {
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SetError(SMLoc(), "No MCAsmLexer installed");
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return AsmToken(AsmToken::Error, "", 0);
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}
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AsmToken LexTokenUAL();
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protected:
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typedef std::map <std::string, unsigned> rmap_ty;
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rmap_ty RegisterMap;
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void InitRegisterMap(const TargetRegisterInfo *info) {
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unsigned numRegs = info->getNumRegs();
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for (unsigned i = 0; i < numRegs; ++i) {
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const char *regName = info->getName(i);
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if (regName)
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RegisterMap[regName] = i;
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}
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switch (AsmInfo.getAssemblerDialect()) {
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default:
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SetError(SMLoc(), "Unhandled dialect");
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return AsmToken(AsmToken::Error, "", 0);
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case 0:
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return LexTokenUAL();
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}
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}
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public:
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ARMBaseAsmLexer(const Target &T, const MCAsmInfo &MAI)
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: TargetAsmLexer(T), AsmInfo(MAI) {
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}
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};
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unsigned MatchRegisterName(StringRef Name) {
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rmap_ty::iterator iter = RegisterMap.find(Name.str());
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if (iter != RegisterMap.end())
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return iter->second;
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else
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return 0;
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}
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class ARMAsmLexer : public ARMBaseAsmLexer {
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public:
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ARMAsmLexer(const Target &T, const MCAsmInfo &MAI)
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: ARMBaseAsmLexer(T, MAI) {
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std::string tripleString("arm-unknown-unknown");
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std::string featureString;
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OwningPtr<const TargetMachine>
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targetMachine(T.createTargetMachine(tripleString, featureString));
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InitRegisterMap(targetMachine->getRegisterInfo());
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}
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};
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AsmToken LexToken() {
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if (!Lexer) {
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SetError(SMLoc(), "No MCAsmLexer installed");
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return AsmToken(AsmToken::Error, "", 0);
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}
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class ThumbAsmLexer : public ARMBaseAsmLexer {
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public:
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ThumbAsmLexer(const Target &T, const MCAsmInfo &MAI)
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: ARMBaseAsmLexer(T, MAI) {
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std::string tripleString("thumb-unknown-unknown");
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std::string featureString;
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OwningPtr<const TargetMachine>
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targetMachine(T.createTargetMachine(tripleString, featureString));
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InitRegisterMap(targetMachine->getRegisterInfo());
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}
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};
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switch (AsmInfo.getAssemblerDialect()) {
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default:
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SetError(SMLoc(), "Unhandled dialect");
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return AsmToken(AsmToken::Error, "", 0);
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case 0:
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return LexTokenUAL();
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}
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}
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public:
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ARMBaseAsmLexer(const Target &T, const MCAsmInfo &MAI)
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: TargetAsmLexer(T), AsmInfo(MAI) {
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}
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};
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class ARMAsmLexer : public ARMBaseAsmLexer {
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public:
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ARMAsmLexer(const Target &T, const MCAsmInfo &MAI)
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: ARMBaseAsmLexer(T, MAI) {
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std::string tripleString("arm-unknown-unknown");
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std::string featureString;
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OwningPtr<const TargetMachine>
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targetMachine(T.createTargetMachine(tripleString, featureString));
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InitRegisterMap(targetMachine->getRegisterInfo());
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}
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};
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class ThumbAsmLexer : public ARMBaseAsmLexer {
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public:
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ThumbAsmLexer(const Target &T, const MCAsmInfo &MAI)
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: ARMBaseAsmLexer(T, MAI) {
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std::string tripleString("thumb-unknown-unknown");
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std::string featureString;
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OwningPtr<const TargetMachine>
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targetMachine(T.createTargetMachine(tripleString, featureString));
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InitRegisterMap(targetMachine->getRegisterInfo());
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}
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};
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}
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} // end anonymous namespace
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AsmToken ARMBaseAsmLexer::LexTokenUAL() {
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const AsmToken &lexedToken = lexDefinite();
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switch (lexedToken.getKind()) {
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default:
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return AsmToken(lexedToken);
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default: break;
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case AsmToken::Error:
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SetError(Lexer->getErrLoc(), Lexer->getErr());
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return AsmToken(lexedToken);
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case AsmToken::Identifier:
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{
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break;
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case AsmToken::Identifier: {
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std::string upperCase = lexedToken.getString().str();
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std::string lowerCase = LowercaseString(upperCase);
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StringRef lowerRef(lowerCase);
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@ -137,19 +136,17 @@ AsmToken ARMBaseAsmLexer::LexTokenUAL() {
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.Default(0);
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}
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if (regID) {
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if (regID)
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return AsmToken(AsmToken::Register,
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lexedToken.getString(),
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static_cast<int64_t>(regID));
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} else {
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return AsmToken(lexedToken);
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}
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}
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}
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return AsmToken(lexedToken);
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}
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extern "C" void LLVMInitializeARMAsmLexer() {
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RegisterAsmLexer<ARMAsmLexer> X(TheARMTarget);
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RegisterAsmLexer<ThumbAsmLexer> Y(TheThumbTarget);
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}
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