diff options
author | Dimitry Andric <dim@FreeBSD.org> | 2012-12-02 13:10:19 +0000 |
---|---|---|
committer | Dimitry Andric <dim@FreeBSD.org> | 2012-12-02 13:10:19 +0000 |
commit | 522600a229b950314b5f4af84eba4f3e8a0ffea1 (patch) | |
tree | 32b4679ab4b8f28e5228daafc65e9dc436935353 /include/llvm/MC/MCParser | |
parent | 902a7b529820e6a0aa85f98f21afaeb1805a22f8 (diff) |
Diffstat (limited to 'include/llvm/MC/MCParser')
-rw-r--r-- | include/llvm/MC/MCParser/AsmLexer.h | 4 | ||||
-rw-r--r-- | include/llvm/MC/MCParser/MCAsmLexer.h | 14 | ||||
-rw-r--r-- | include/llvm/MC/MCParser/MCAsmParser.h | 38 | ||||
-rw-r--r-- | include/llvm/MC/MCParser/MCAsmParserExtension.h | 8 | ||||
-rw-r--r-- | include/llvm/MC/MCParser/MCParsedAsmOperand.h | 54 |
5 files changed, 101 insertions, 17 deletions
diff --git a/include/llvm/MC/MCParser/AsmLexer.h b/include/llvm/MC/MCParser/AsmLexer.h index 9a8735f3e726b..e102dfb82c4aa 100644 --- a/include/llvm/MC/MCParser/AsmLexer.h +++ b/include/llvm/MC/MCParser/AsmLexer.h @@ -31,8 +31,8 @@ class AsmLexer : public MCAsmLexer { const MemoryBuffer *CurBuf; bool isAtStartOfLine; - void operator=(const AsmLexer&); // DO NOT IMPLEMENT - AsmLexer(const AsmLexer&); // DO NOT IMPLEMENT + void operator=(const AsmLexer&) LLVM_DELETED_FUNCTION; + AsmLexer(const AsmLexer&) LLVM_DELETED_FUNCTION; protected: /// LexToken - Read the next token and return its code. diff --git a/include/llvm/MC/MCParser/MCAsmLexer.h b/include/llvm/MC/MCParser/MCAsmLexer.h index 5e29ad49dd3f9..0a961d6d0971c 100644 --- a/include/llvm/MC/MCParser/MCAsmLexer.h +++ b/include/llvm/MC/MCParser/MCAsmLexer.h @@ -11,6 +11,7 @@ #define LLVM_MC_MCASMLEXER_H #include "llvm/ADT/StringRef.h" +#include "llvm/Support/Compiler.h" #include "llvm/Support/DataTypes.h" #include "llvm/Support/SMLoc.h" @@ -39,6 +40,7 @@ public: // No-value. EndOfStatement, Colon, + Space, Plus, Minus, Tilde, Slash, // '/' BackSlash, // '\' @@ -121,10 +123,11 @@ class MCAsmLexer { SMLoc ErrLoc; std::string Err; - MCAsmLexer(const MCAsmLexer &); // DO NOT IMPLEMENT - void operator=(const MCAsmLexer &); // DO NOT IMPLEMENT + MCAsmLexer(const MCAsmLexer &) LLVM_DELETED_FUNCTION; + void operator=(const MCAsmLexer &) LLVM_DELETED_FUNCTION; protected: // Can only create subclasses. const char *TokStart; + bool SkipSpace; MCAsmLexer(); @@ -169,11 +172,14 @@ public: /// getKind - Get the kind of current token. AsmToken::TokenKind getKind() const { return CurTok.getKind(); } - /// is - Check if the current token has kind \arg K. + /// is - Check if the current token has kind \p K. bool is(AsmToken::TokenKind K) const { return CurTok.is(K); } - /// isNot - Check if the current token has kind \arg K. + /// isNot - Check if the current token has kind \p K. bool isNot(AsmToken::TokenKind K) const { return CurTok.isNot(K); } + + /// setSkipSpace - Set whether spaces should be ignored by the lexer + void setSkipSpace(bool val) { SkipSpace = val; } }; } // End llvm namespace diff --git a/include/llvm/MC/MCParser/MCAsmParser.h b/include/llvm/MC/MCParser/MCAsmParser.h index 793c7097ba147..a71d3c3217413 100644 --- a/include/llvm/MC/MCParser/MCAsmParser.h +++ b/include/llvm/MC/MCParser/MCAsmParser.h @@ -20,6 +20,9 @@ class MCAsmLexer; class MCAsmParserExtension; class MCContext; class MCExpr; +class MCInstPrinter; +class MCInstrInfo; +class MCParsedAsmOperand; class MCStreamer; class MCTargetAsmParser; class SMLoc; @@ -28,6 +31,16 @@ class SourceMgr; class StringRef; class Twine; +/// MCAsmParserSemaCallback - Generic Sema callback for assembly parser. +class MCAsmParserSemaCallback { +public: + virtual ~MCAsmParserSemaCallback(); + virtual void *LookupInlineAsmIdentifier(StringRef Name, void *Loc, + unsigned &Size) = 0; + virtual bool LookupInlineAsmField(StringRef Base, StringRef Member, + unsigned &Offset) = 0; +}; + /// MCAsmParser - Generic assembler parser interface, for use by target specific /// assembly parsers. class MCAsmParser { @@ -35,8 +48,8 @@ public: typedef bool (*DirectiveHandler)(MCAsmParserExtension*, StringRef, SMLoc); private: - MCAsmParser(const MCAsmParser &); // DO NOT IMPLEMENT - void operator=(const MCAsmParser &); // DO NOT IMPLEMENT + MCAsmParser(const MCAsmParser &) LLVM_DELETED_FUNCTION; + void operator=(const MCAsmParser &) LLVM_DELETED_FUNCTION; MCTargetAsmParser *TargetParser; @@ -73,15 +86,26 @@ public: /// Run - Run the parser on the input source buffer. virtual bool Run(bool NoInitialTextSection, bool NoFinalize = false) = 0; - /// Warning - Emit a warning at the location \arg L, with the message \arg - /// Msg. + virtual void setParsingInlineAsm(bool V) = 0; + virtual bool isParsingInlineAsm() = 0; + + /// ParseMSInlineAsm - Parse ms-style inline assembly. + virtual bool ParseMSInlineAsm(void *AsmLoc, std::string &AsmString, + unsigned &NumOutputs, unsigned &NumInputs, + SmallVectorImpl<std::pair<void *, bool> > &OpDecls, + SmallVectorImpl<std::string> &Constraints, + SmallVectorImpl<std::string> &Clobbers, + const MCInstrInfo *MII, + const MCInstPrinter *IP, + MCAsmParserSemaCallback &SI) = 0; + + /// Warning - Emit a warning at the location \p L, with the message \p Msg. /// /// \return The return value is true, if warnings are fatal. virtual bool Warning(SMLoc L, const Twine &Msg, ArrayRef<SMRange> Ranges = ArrayRef<SMRange>()) = 0; - /// Error - Emit an error at the location \arg L, with the message \arg - /// Msg. + /// Error - Emit an error at the location \p L, with the message \p Msg. /// /// \return The return value is always true, as an idiomatic convenience to /// clients. @@ -100,7 +124,7 @@ public: ArrayRef<SMRange> Ranges = ArrayRef<SMRange>()); /// ParseIdentifier - Parse an identifier or string (as a quoted identifier) - /// and set \arg Res to the identifier contents. + /// and set \p Res to the identifier contents. virtual bool ParseIdentifier(StringRef &Res) = 0; /// \brief Parse up to the end of statement and return the contents from the diff --git a/include/llvm/MC/MCParser/MCAsmParserExtension.h b/include/llvm/MC/MCParser/MCAsmParserExtension.h index 4e2aee992877c..0918c93bdf3dd 100644 --- a/include/llvm/MC/MCParser/MCAsmParserExtension.h +++ b/include/llvm/MC/MCParser/MCAsmParserExtension.h @@ -21,8 +21,8 @@ class Twine; /// which is implemented by target and object file assembly parser /// implementations. class MCAsmParserExtension { - MCAsmParserExtension(const MCAsmParserExtension &); // DO NOT IMPLEMENT - void operator=(const MCAsmParserExtension &); // DO NOT IMPLEMENT + MCAsmParserExtension(const MCAsmParserExtension &) LLVM_DELETED_FUNCTION; + void operator=(const MCAsmParserExtension &) LLVM_DELETED_FUNCTION; MCAsmParser *Parser; @@ -43,8 +43,8 @@ protected: public: virtual ~MCAsmParserExtension(); - /// \brief Initialize the extension for parsing using the given \arg - /// Parser. The extension should use the AsmParser interfaces to register its + /// \brief Initialize the extension for parsing using the given \p Parser. + /// The extension should use the AsmParser interfaces to register its /// parsing routines. virtual void Initialize(MCAsmParser &Parser); diff --git a/include/llvm/MC/MCParser/MCParsedAsmOperand.h b/include/llvm/MC/MCParser/MCParsedAsmOperand.h index 2556e5f27a305..60e7887a53963 100644 --- a/include/llvm/MC/MCParser/MCParsedAsmOperand.h +++ b/include/llvm/MC/MCParser/MCParsedAsmOperand.h @@ -19,15 +19,69 @@ class raw_ostream; /// base class is used by target-independent clients and is the interface /// between parsing an asm instruction and recognizing it. class MCParsedAsmOperand { + /// MCOperandNum - The corresponding MCInst operand number. Only valid when + /// parsing MS-style inline assembly. + unsigned MCOperandNum; + + /// Constraint - The constraint on this operand. Only valid when parsing + /// MS-style inline assembly. + std::string Constraint; + public: MCParsedAsmOperand() {} virtual ~MCParsedAsmOperand() {} + void setConstraint(StringRef C) { Constraint = C.str(); } + StringRef getConstraint() { return Constraint; } + + void setMCOperandNum (unsigned OpNum) { MCOperandNum = OpNum; } + unsigned getMCOperandNum() { return MCOperandNum; } + + unsigned getNameLen() { + assert (getStartLoc().isValid() && "Invalid StartLoc!"); + assert (getEndLoc().isValid() && "Invalid EndLoc!"); + return getEndLoc().getPointer() - getStartLoc().getPointer(); + } + + StringRef getName() { + return StringRef(getStartLoc().getPointer(), getNameLen()); + } + + /// isToken - Is this a token operand? + virtual bool isToken() const = 0; + /// isImm - Is this an immediate operand? + virtual bool isImm() const = 0; + /// isReg - Is this a register operand? + virtual bool isReg() const = 0; + virtual unsigned getReg() const = 0; + + /// isMem - Is this a memory operand? + virtual bool isMem() const = 0; + virtual unsigned getMemSize() const { return 0; } + /// getStartLoc - Get the location of the first token of this operand. virtual SMLoc getStartLoc() const = 0; /// getEndLoc - Get the location of the last token of this operand. virtual SMLoc getEndLoc() const = 0; + /// needAsmRewrite - AsmRewrites happen in both the target-independent and + /// target-dependent parsers. The target-independent parser calls this + /// function to determine if the target-dependent parser has already taken + /// care of the rewrites. Only valid when parsing MS-style inline assembly. + virtual bool needAsmRewrite() const { return true; } + + /// isOffsetOf - Do we need to emit code to get the offset of the variable, + /// rather then the value of the variable? Only valid when parsing MS-style + /// inline assembly. + virtual bool isOffsetOf() const { return false; } + + /// getOffsetOfLoc - Get the location of the offset operator. + virtual SMLoc getOffsetOfLoc() const { return SMLoc(); } + + /// needSizeDirective - Do we need to emit a sizing directive for this + /// operand? Only valid when parsing MS-style inline assembly. + virtual bool needSizeDirective() const { return false; } + /// print - Print a debug representation of the operand to the given stream. virtual void print(raw_ostream &OS) const = 0; /// dump - Print to the debug stream. |