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Removed an unnecessary class from the EDDisassembler

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implementation.  Also made sure that the register maps
were created during disassembler initialization.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95051 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sean Callanan 2010-02-02 02:18:20 +00:00
parent 5ce0ee9c09
commit d74667e226
1 changed files with 2 additions and 53 deletions
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55
tools/ed/EDDisassembler.cpp
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@ -149,59 +149,6 @@ EDDisassembler *EDDisassembler::getDisassembler(StringRef str,
return getDisassembler(triple.getArch(), syntax);
}
namespace {
class EDAsmParser : public MCAsmParser {
AsmLexer Lexer;
MCContext Context;
OwningPtr<MCStreamer> Streamer;
public:
// Mandatory functions
EDAsmParser(const MCAsmInfo &MAI) : Lexer(MAI) {
Streamer.reset(createNullStreamer(Context));
}
virtual ~EDAsmParser() { }
MCAsmLexer &getLexer() { return Lexer; }
MCContext &getContext() { return Context; }
MCStreamer &getStreamer() { return *Streamer; }
void Warning(SMLoc L, const Twine &Msg) { }
bool Error(SMLoc L, const Twine &Msg) { return true; }
const AsmToken &Lex() { return Lexer.Lex(); }
bool ParseExpression(const MCExpr *&Res, SMLoc &EndLoc) {
AsmToken token = Lex();
if(token.isNot(AsmToken::Integer))
return true;
Res = MCConstantExpr::Create(token.getIntVal(), Context);
return false;
}
bool ParseParenExpression(const MCExpr *&Res, SMLoc &EndLoc) {
assert(0 && "I can't ParseParenExpression()s!");
}
bool ParseAbsoluteExpression(int64_t &Res) {
assert(0 && "I can't ParseAbsoluteExpression()s!");
}
/// setBuffer - loads a buffer into the parser
/// @arg buf - The buffer to read tokens from
void setBuffer(const MemoryBuffer &buf) { Lexer.setBuffer(&buf); }
/// parseInstName - When the lexer is positioned befor an instruction
/// name (with possible intervening whitespace), reads past the name,
/// returning 0 on success and -1 on failure
/// @arg name - A reference to a string that is filled in with the
/// instruction name
/// @arg loc - A reference to a location that is filled in with the
/// position of the instruction name
int parseInstName(StringRef &name, SMLoc &loc) {
AsmToken tok = Lexer.Lex();
if(tok.isNot(AsmToken::Identifier)) {
return -1;
}
name = tok.getString();
loc = tok.getLoc();
return 0;
}
};
}
EDDisassembler::EDDisassembler(CPUKey &key) :
Valid(false), ErrorString(), ErrorStream(ErrorString), Key(key) {
const InfoMap *infoMap = infoFromArch(key.Arch);
@ -261,6 +208,8 @@ EDDisassembler::EDDisassembler(CPUKey &key) :
SpecificAsmLexer->InstallLexer(*GenericAsmLexer);
InstInfos = infoMap->Info;
initMaps(*targetMachine->getRegisterInfo());
Valid = true;
}