Coverage Report

Created: 2019-02-20 00:17

/Users/buildslave/jenkins/workspace/clang-stage2-coverage-R/llvm/include/llvm/MC/MCAsmMacro.h
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//===- MCAsmMacro.h - Assembly Macros ---------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_MC_MCASMMACRO_H
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#define LLVM_MC_MCASMMACRO_H
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#include "llvm/ADT/APInt.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/Debug.h"
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#include "llvm/Support/SMLoc.h"
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#include <vector>
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namespace llvm {
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/// Target independent representation for an assembler token.
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0
class AsmToken {
Unexecuted instantiation: llvm::AsmToken::operator=(llvm::AsmToken const&)
Unexecuted instantiation: llvm::AsmToken::operator=(llvm::AsmToken&&)
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public:
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  enum TokenKind {
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    // Markers
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    Eof, Error,
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    // String values.
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    Identifier,
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    String,
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    // Integer values.
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    Integer,
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    BigNum, // larger than 64 bits
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    // Real values.
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    Real,
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    // Comments
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    Comment,
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    HashDirective,
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    // No-value.
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    EndOfStatement,
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    Colon,
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    Space,
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    Plus, Minus, Tilde,
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    Slash,     // '/'
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    BackSlash, // '\'
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    LParen, RParen, LBrac, RBrac, LCurly, RCurly,
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    Star, Dot, Comma, Dollar, Equal, EqualEqual,
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    Pipe, PipePipe, Caret,
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    Amp, AmpAmp, Exclaim, ExclaimEqual, Percent, Hash,
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    Less, LessEqual, LessLess, LessGreater,
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    Greater, GreaterEqual, GreaterGreater, At, MinusGreater,
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    // MIPS unary expression operators such as %neg.
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    PercentCall16, PercentCall_Hi, PercentCall_Lo, PercentDtprel_Hi,
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    PercentDtprel_Lo, PercentGot, PercentGot_Disp, PercentGot_Hi, PercentGot_Lo,
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    PercentGot_Ofst, PercentGot_Page, PercentGottprel, PercentGp_Rel, PercentHi,
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    PercentHigher, PercentHighest, PercentLo, PercentNeg, PercentPcrel_Hi,
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    PercentPcrel_Lo, PercentTlsgd, PercentTlsldm, PercentTprel_Hi,
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    PercentTprel_Lo
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  };
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private:
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  TokenKind Kind;
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  /// A reference to the entire token contents; this is always a pointer into
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  /// a memory buffer owned by the source manager.
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  StringRef Str;
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  APInt IntVal;
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public:
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  AsmToken() = default;
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  AsmToken(TokenKind Kind, StringRef Str, APInt IntVal)
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      : Kind(Kind), Str(Str), IntVal(std::move(IntVal)) {}
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  AsmToken(TokenKind Kind, StringRef Str, int64_t IntVal = 0)
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      : Kind(Kind), Str(Str), IntVal(64, IntVal, true) {}
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  TokenKind getKind() const { return Kind; }
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  bool is(TokenKind K) const { return Kind == K; }
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  bool isNot(TokenKind K) const { return Kind != K; }
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  SMLoc getLoc() const;
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  SMLoc getEndLoc() const;
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  SMRange getLocRange() const;
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  /// Get the contents of a string token (without quotes).
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  StringRef getStringContents() const {
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    assert(Kind == String && "This token isn't a string!");
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    return Str.slice(1, Str.size() - 1);
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  }
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  /// Get the identifier string for the current token, which should be an
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  /// identifier or a string. This gets the portion of the string which should
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  /// be used as the identifier, e.g., it does not include the quotes on
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  /// strings.
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  StringRef getIdentifier() const {
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    if (Kind == Identifier)
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      return getString();
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    return getStringContents();
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  }
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  /// Get the string for the current token, this includes all characters (for
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  /// example, the quotes on strings) in the token.
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  ///
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  /// The returned StringRef points into the source manager's memory buffer, and
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  /// is safe to store across calls to Lex().
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  StringRef getString() const { return Str; }
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  // FIXME: Don't compute this in advance, it makes every token larger, and is
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  // also not generally what we want (it is nicer for recovery etc. to lex 123br
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  // as a single token, then diagnose as an invalid number).
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  int64_t getIntVal() const {
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    assert(Kind == Integer && "This token isn't an integer!");
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    return IntVal.getZExtValue();
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  }
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  APInt getAPIntVal() const {
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    assert((Kind == Integer || Kind == BigNum) &&
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           "This token isn't an integer!");
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    return IntVal;
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  }
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  void dump(raw_ostream &OS) const;
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  void dump() const { dump(dbgs()); }
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};
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struct MCAsmMacroParameter {
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  StringRef Name;
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  std::vector<AsmToken> Value;
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  bool Required = false;
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  bool Vararg = false;
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  MCAsmMacroParameter() = default;
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  void dump() const { dump(dbgs()); }
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  void dump(raw_ostream &OS) const;
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};
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typedef std::vector<MCAsmMacroParameter> MCAsmMacroParameters;
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struct MCAsmMacro {
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  StringRef Name;
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  StringRef Body;
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  MCAsmMacroParameters Parameters;
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public:
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  MCAsmMacro(StringRef N, StringRef B, MCAsmMacroParameters P)
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      : Name(N), Body(B), Parameters(std::move(P)) {}
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  void dump() const { dump(dbgs()); }
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  void dump(raw_ostream &OS) const;
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};
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} // namespace llvm
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#endif