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Removing LLVM_DELETED_FUNCTION, as MSVC 2012 was the last reason for requiring the...
[oota-llvm.git]
/
include
/
llvm
/
MC
/
MCParser
/
MCAsmLexer.h
diff --git
a/include/llvm/MC/MCParser/MCAsmLexer.h
b/include/llvm/MC/MCParser/MCAsmLexer.h
index 075b69b628a51091fa5e82eb25f39afaa0118351..14f8adecaa5c8d434949fa2012e56740f2de0fc5 100644
(file)
--- a/
include/llvm/MC/MCParser/MCAsmLexer.h
+++ b/
include/llvm/MC/MCParser/MCAsmLexer.h
@@
-7,19
+7,18
@@
//
//===----------------------------------------------------------------------===//
//
//===----------------------------------------------------------------------===//
-#ifndef LLVM_MC_MCASMLEXER_H
-#define LLVM_MC_MCASMLEXER_H
+#ifndef LLVM_MC_MC
PARSER_MC
ASMLEXER_H
+#define LLVM_MC_MC
PARSER_MC
ASMLEXER_H
+#include "llvm/ADT/APInt.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/StringRef.h"
-#include "llvm/System/DataTypes.h"
+#include "llvm/Support/Compiler.h"
+#include "llvm/Support/DataTypes.h"
#include "llvm/Support/SMLoc.h"
namespace llvm {
#include "llvm/Support/SMLoc.h"
namespace llvm {
-class MCAsmLexer;
-class MCInst;
-class Target;
-///
AsmToken -
Target independent representation for an assembler token.
+/// Target independent representation for an assembler token.
class AsmToken {
public:
enum TokenKind {
class AsmToken {
public:
enum TokenKind {
@@
-29,64
+28,72
@@
public:
// String values.
Identifier,
String,
// String values.
Identifier,
String,
-
+
// Integer values.
Integer,
// Integer values.
Integer,
-
- // Register values (stored in IntVal). Only used by TargetAsmLexer.
- Register,
-
+ BigNum, // larger than 64 bits
+
+ // Real values.
+ Real,
+
// No-value.
EndOfStatement,
Colon,
// No-value.
EndOfStatement,
Colon,
+ Space,
Plus, Minus, Tilde,
Slash, // '/'
Plus, Minus, Tilde,
Slash, // '/'
+ BackSlash, // '\'
LParen, RParen, LBrac, RBrac, LCurly, RCurly,
Star, Dot, Comma, Dollar, Equal, EqualEqual,
LParen, RParen, LBrac, RBrac, LCurly, RCurly,
Star, Dot, Comma, Dollar, Equal, EqualEqual,
-
- Pipe, PipePipe, Caret,
+
+ Pipe, PipePipe, Caret,
Amp, AmpAmp, Exclaim, ExclaimEqual, Percent, Hash,
Less, LessEqual, LessLess, LessGreater,
Amp, AmpAmp, Exclaim, ExclaimEqual, Percent, Hash,
Less, LessEqual, LessLess, LessGreater,
- Greater, GreaterEqual, GreaterGreater
+ Greater, GreaterEqual, GreaterGreater
, At
};
};
+private:
TokenKind Kind;
/// A reference to the entire token contents; this is always a pointer into
/// a memory buffer owned by the source manager.
StringRef Str;
TokenKind Kind;
/// A reference to the entire token contents; this is always a pointer into
/// a memory buffer owned by the source manager.
StringRef Str;
-
int64_
t IntVal;
+
APIn
t IntVal;
public:
AsmToken() {}
public:
AsmToken() {}
- AsmToken(TokenKind _Kind, StringRef _Str,
int64_t _IntVal = 0
)
+ AsmToken(TokenKind _Kind, StringRef _Str,
APInt _IntVal
)
: Kind(_Kind), Str(_Str), IntVal(_IntVal) {}
: Kind(_Kind), Str(_Str), IntVal(_IntVal) {}
+ AsmToken(TokenKind _Kind, StringRef _Str, int64_t _IntVal = 0)
+ : Kind(_Kind), Str(_Str), IntVal(64, _IntVal, true) {}
TokenKind getKind() const { return Kind; }
bool is(TokenKind K) const { return Kind == K; }
bool isNot(TokenKind K) const { return Kind != K; }
SMLoc getLoc() const;
TokenKind getKind() const { return Kind; }
bool is(TokenKind K) const { return Kind == K; }
bool isNot(TokenKind K) const { return Kind != K; }
SMLoc getLoc() const;
+ SMLoc getEndLoc() const;
+ SMRange getLocRange() const;
- ///
getStringContents -
Get the contents of a string token (without quotes).
- StringRef getStringContents() const {
+ /// Get the contents of a string token (without quotes).
+ StringRef getStringContents() const {
assert(Kind == String && "This token isn't a string!");
return Str.slice(1, Str.size() - 1);
}
assert(Kind == String && "This token isn't a string!");
return Str.slice(1, Str.size() - 1);
}
- ///
getIdentifier - Get the identifier string for the current token, which
- ///
should be an identifier or a string. This gets the portion of the string
- ///
which should be used as the identifier, e.g., it does not include the
- ///
quotes on
strings.
+ ///
Get the identifier string for the current token, which should be an
+ ///
identifier or a string. This gets the portion of the string which should
+ ///
be used as the identifier, e.g., it does not include the quotes on
+ /// strings.
StringRef getIdentifier() const {
if (Kind == Identifier)
return getString();
return getStringContents();
}
StringRef getIdentifier() const {
if (Kind == Identifier)
return getString();
return getStringContents();
}
- ///
getString - Get the string for the current token, this includes all
- ///
characters (for
example, the quotes on strings) in the token.
+ ///
Get the string for the current token, this includes all characters (for
+ /// example, the quotes on strings) in the token.
///
/// The returned StringRef points into the source manager's memory buffer, and
/// is safe to store across calls to Lex().
///
/// The returned StringRef points into the source manager's memory buffer, and
/// is safe to store across calls to Lex().
@@
-95,45
+102,48
@@
public:
// FIXME: Don't compute this in advance, it makes every token larger, and is
// also not generally what we want (it is nicer for recovery etc. to lex 123br
// as a single token, then diagnose as an invalid number).
// FIXME: Don't compute this in advance, it makes every token larger, and is
// also not generally what we want (it is nicer for recovery etc. to lex 123br
// as a single token, then diagnose as an invalid number).
- int64_t getIntVal() const {
+ int64_t getIntVal() const {
assert(Kind == Integer && "This token isn't an integer!");
assert(Kind == Integer && "This token isn't an integer!");
- return IntVal
;
+ return IntVal
.getZExtValue();
}
}
-
- /// getRegVal - Get the register number for the current token, which should
- /// be a register.
- unsigned getRegVal() const {
- assert(Kind == Register && "This token isn't a register!");
- return static_cast<unsigned>(IntVal);
+
+ APInt getAPIntVal() const {
+ assert((Kind == Integer || Kind == BigNum) &&
+ "This token isn't an integer!");
+ return IntVal;
}
};
}
};
-///
MCAsmLexer - Generic assembler lexer interface, for use by target specific
-///
assembly
lexers.
+///
Generic assembler lexer interface, for use by target specific assembly
+/// lexers.
class MCAsmLexer {
/// The current token, stored in the base class for faster access.
AsmToken CurTok;
class MCAsmLexer {
/// The current token, stored in the base class for faster access.
AsmToken CurTok;
-
+
/// The location and description of the current error
SMLoc ErrLoc;
std::string Err;
/// The location and description of the current error
SMLoc ErrLoc;
std::string Err;
- MCAsmLexer(const MCAsmLexer &)
; // DO NOT IMPLEMENT
- void operator=(const MCAsmLexer &)
; // DO NOT IMPLEMENT
+ MCAsmLexer(const MCAsmLexer &)
= delete;
+ void operator=(const MCAsmLexer &)
= delete;
protected: // Can only create subclasses.
protected: // Can only create subclasses.
+ const char *TokStart;
+ bool SkipSpace;
+ bool AllowAtInIdentifier;
+
MCAsmLexer();
virtual AsmToken LexToken() = 0;
MCAsmLexer();
virtual AsmToken LexToken() = 0;
-
+
void SetError(const SMLoc &errLoc, const std::string &err) {
ErrLoc = errLoc;
Err = err;
}
void SetError(const SMLoc &errLoc, const std::string &err) {
ErrLoc = errLoc;
Err = err;
}
-
+
public:
virtual ~MCAsmLexer();
public:
virtual ~MCAsmLexer();
- ///
Lex -
Consume the next token from the input stream and return it.
+ /// Consume the next token from the input stream and return it.
///
/// The lexer will continuosly return the end-of-file token once the end of
/// the main input file has been reached.
///
/// The lexer will continuosly return the end-of-file token once the end of
/// the main input file has been reached.
@@
-141,29
+151,43
@@
public:
return CurTok = LexToken();
}
return CurTok = LexToken();
}
- /// getTok - Get the current (last) lexed token.
- const AsmToken &getTok() {
+ virtual StringRef LexUntilEndOfStatement() = 0;
+
+ /// Get the current source location.
+ SMLoc getLoc() const;
+
+ /// Get the current (last) lexed token.
+ const AsmToken &getTok() const {
return CurTok;
}
return CurTok;
}
-
- /// getErrLoc - Get the current error location
+
+ /// Look ahead at the next token to be lexed.
+ virtual const AsmToken peekTok(bool ShouldSkipSpace = true) = 0;
+
+ /// Get the current error location
const SMLoc &getErrLoc() {
return ErrLoc;
}
const SMLoc &getErrLoc() {
return ErrLoc;
}
-
- ///
getErr -
Get the current error string
+
+ /// Get the current error string
const std::string &getErr() {
return Err;
}
const std::string &getErr() {
return Err;
}
- ///
getKind -
Get the kind of current token.
+ /// Get the kind of current token.
AsmToken::TokenKind getKind() const { return CurTok.getKind(); }
AsmToken::TokenKind getKind() const { return CurTok.getKind(); }
- ///
is - Check if the current token has kind \arg
K.
+ ///
Check if the current token has kind \p
K.
bool is(AsmToken::TokenKind K) const { return CurTok.is(K); }
bool is(AsmToken::TokenKind K) const { return CurTok.is(K); }
- ///
isNot - Check if the current token has kind \arg
K.
+ ///
Check if the current token has kind \p
K.
bool isNot(AsmToken::TokenKind K) const { return CurTok.isNot(K); }
bool isNot(AsmToken::TokenKind K) const { return CurTok.isNot(K); }
+
+ /// Set whether spaces should be ignored by the lexer
+ void setSkipSpace(bool val) { SkipSpace = val; }
+
+ bool getAllowAtInIdentifier() { return AllowAtInIdentifier; }
+ void setAllowAtInIdentifier(bool v) { AllowAtInIdentifier = v; }
};
} // End llvm namespace
};
} // End llvm namespace