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Diffstat (limited to 'tools/edis/EDToken.cpp')
| -rw-r--r-- | tools/edis/EDToken.cpp | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/tools/edis/EDToken.cpp b/tools/edis/EDToken.cpp deleted file mode 100644 index 3bcb0a14b8..0000000000 --- a/tools/edis/EDToken.cpp +++ /dev/null @@ -1,208 +0,0 @@ -//===-EDToken.cpp - LLVM Enhanced Disassembler ----------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements the Enhanced Disassembler library's token class. The -// token is responsible for vending information about the token, such as its -// type and logical value. -// -//===----------------------------------------------------------------------===// - -#include "EDDisassembler.h" -#include "EDToken.h" - -#include "llvm/ADT/SmallVector.h" -#include "llvm/MC/MCParser/MCAsmLexer.h" -#include "llvm/MC/MCParser/MCParsedAsmOperand.h" - -using namespace llvm; - -EDToken::EDToken(StringRef str, - enum tokenType type, - uint64_t localType, - EDDisassembler &disassembler) : - Disassembler(disassembler), - Str(str), - Type(type), - LocalType(localType), - OperandID(-1) { -} - -EDToken::~EDToken() { -} - -void EDToken::makeLiteral(bool sign, uint64_t absoluteValue) { - Type = kTokenLiteral; - LiteralSign = sign; - LiteralAbsoluteValue = absoluteValue; -} - -void EDToken::makeRegister(unsigned registerID) { - Type = kTokenRegister; - RegisterID = registerID; -} - -void EDToken::setOperandID(int operandID) { - OperandID = operandID; -} - -enum EDToken::tokenType EDToken::type() const { - return Type; -} - -uint64_t EDToken::localType() const { - return LocalType; -} - -StringRef EDToken::string() const { - return Str; -} - -int EDToken::operandID() const { - return OperandID; -} - -int EDToken::literalSign() const { - if (Type != kTokenLiteral) - return -1; - return (LiteralSign ? 1 : 0); -} - -int EDToken::literalAbsoluteValue(uint64_t &value) const { - if (Type != kTokenLiteral) - return -1; - value = LiteralAbsoluteValue; - return 0; -} - -int EDToken::registerID(unsigned ®isterID) const { - if (Type != kTokenRegister) - return -1; - registerID = RegisterID; - return 0; -} - -int EDToken::tokenize(std::vector<EDToken*> &tokens, - std::string &str, - const char *operandOrder, - EDDisassembler &disassembler) { - SmallVector<MCParsedAsmOperand*, 5> parsedOperands; - SmallVector<AsmToken, 10> asmTokens; - - if (disassembler.parseInst(parsedOperands, asmTokens, str)) - return -1; - - SmallVectorImpl<MCParsedAsmOperand*>::iterator operandIterator; - unsigned int operandIndex; - SmallVectorImpl<AsmToken>::iterator tokenIterator; - - operandIterator = parsedOperands.begin(); - operandIndex = 0; - - bool readOpcode = false; - - const char *wsPointer = asmTokens.begin()->getLoc().getPointer(); - - for (tokenIterator = asmTokens.begin(); - tokenIterator != asmTokens.end(); - ++tokenIterator) { - SMLoc tokenLoc = tokenIterator->getLoc(); - - const char *tokenPointer = tokenLoc.getPointer(); - - if (tokenPointer > wsPointer) { - unsigned long wsLength = tokenPointer - wsPointer; - - EDToken *whitespaceToken = new EDToken(StringRef(wsPointer, wsLength), - EDToken::kTokenWhitespace, - 0, - disassembler); - - tokens.push_back(whitespaceToken); - } - - wsPointer = tokenPointer + tokenIterator->getString().size(); - - while (operandIterator != parsedOperands.end() && - tokenLoc.getPointer() > - (*operandIterator)->getEndLoc().getPointer()) { - ++operandIterator; - ++operandIndex; - } - - EDToken *token; - - switch (tokenIterator->getKind()) { - case AsmToken::Identifier: - if (!readOpcode) { - token = new EDToken(tokenIterator->getString(), - EDToken::kTokenOpcode, - (uint64_t)tokenIterator->getKind(), - disassembler); - readOpcode = true; - break; - } - // any identifier that isn't an opcode is mere punctuation; so we fall - // through - default: - token = new EDToken(tokenIterator->getString(), - EDToken::kTokenPunctuation, - (uint64_t)tokenIterator->getKind(), - disassembler); - break; - case AsmToken::Integer: - { - token = new EDToken(tokenIterator->getString(), - EDToken::kTokenLiteral, - (uint64_t)tokenIterator->getKind(), - disassembler); - - int64_t intVal = tokenIterator->getIntVal(); - - if (intVal < 0) - token->makeLiteral(true, -intVal); - else - token->makeLiteral(false, intVal); - break; - } - case AsmToken::Register: - { - token = new EDToken(tokenIterator->getString(), - EDToken::kTokenLiteral, - (uint64_t)tokenIterator->getKind(), - disassembler); - - token->makeRegister((unsigned)tokenIterator->getRegVal()); - break; - } - } - - if (operandIterator != parsedOperands.end() && - tokenLoc.getPointer() >= - (*operandIterator)->getStartLoc().getPointer()) { - /// operandIndex == 0 means the operand is the instruction (which the - /// AsmParser treats as an operand but edis does not). We therefore skip - /// operandIndex == 0 and subtract 1 from all other operand indices. - - if (operandIndex > 0) - token->setOperandID(operandOrder[operandIndex - 1]); - } - - tokens.push_back(token); - } - - return 0; -} - -int EDToken::getString(const char*& buf) { - if (PermStr.length() == 0) { - PermStr = Str.str(); - } - buf = PermStr.c_str(); - return 0; -} |