mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-01-10 02:36:06 +00:00
MC/AsmParser: Hide the AsmParser implementation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108646 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar
parent
9fbb37e10d
commit
aef87e3307
@ -1,148 +0,0 @@
|
||||
//===- AsmParser.h - Parser for Assembly Files ------------------*- C++ -*-===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is distributed under the University of Illinois Open Source
|
||||
// License. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// This class declares the parser for assembly files.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
#ifndef ASMPARSER_H
|
||||
#define ASMPARSER_H
|
||||
|
||||
#include "llvm/MC/MCParser/AsmLexer.h"
|
||||
#include "llvm/MC/MCParser/AsmCond.h"
|
||||
#include "llvm/MC/MCParser/MCAsmParser.h"
|
||||
#include "llvm/MC/MCSectionMachO.h"
|
||||
#include "llvm/MC/MCStreamer.h"
|
||||
#include "llvm/MC/MCAsmInfo.h"
|
||||
#include "llvm/ADT/StringMap.h"
|
||||
#include <vector>
|
||||
|
||||
namespace llvm {
|
||||
class AsmCond;
|
||||
class AsmToken;
|
||||
class MCAsmParserExtension;
|
||||
class MCContext;
|
||||
class MCExpr;
|
||||
class MCInst;
|
||||
class MCStreamer;
|
||||
class MCAsmInfo;
|
||||
class SourceMgr;
|
||||
class TargetAsmParser;
|
||||
class Twine;
|
||||
|
||||
class AsmParser : public MCAsmParser {
|
||||
AsmParser(const AsmParser &); // DO NOT IMPLEMENT
|
||||
void operator=(const AsmParser &); // DO NOT IMPLEMENT
|
||||
private:
|
||||
AsmLexer Lexer;
|
||||
MCContext &Ctx;
|
||||
MCStreamer &Out;
|
||||
SourceMgr &SrcMgr;
|
||||
MCAsmParserExtension *GenericParser;
|
||||
MCAsmParserExtension *PlatformParser;
|
||||
|
||||
/// This is the current buffer index we're lexing from as managed by the
|
||||
/// SourceMgr object.
|
||||
int CurBuffer;
|
||||
|
||||
AsmCond TheCondState;
|
||||
std::vector<AsmCond> TheCondStack;
|
||||
|
||||
/// DirectiveMap - This is a table handlers for directives. Each handler is
|
||||
/// invoked after the directive identifier is read and is responsible for
|
||||
/// parsing and validating the rest of the directive. The handler is passed
|
||||
/// in the directive name and the location of the directive keyword.
|
||||
StringMap<std::pair<MCAsmParserExtension*, DirectiveHandler> > DirectiveMap;
|
||||
public:
|
||||
AsmParser(const Target &T, SourceMgr &SM, MCContext &Ctx, MCStreamer &Out,
|
||||
const MCAsmInfo &MAI);
|
||||
~AsmParser();
|
||||
|
||||
virtual bool Run(bool NoInitialTextSection, bool NoFinalize = false);
|
||||
|
||||
void AddDirectiveHandler(MCAsmParserExtension *Object,
|
||||
StringRef Directive,
|
||||
DirectiveHandler Handler) {
|
||||
DirectiveMap[Directive] = std::make_pair(Object, Handler);
|
||||
}
|
||||
|
||||
public:
|
||||
/// @name MCAsmParser Interface
|
||||
/// {
|
||||
|
||||
virtual SourceMgr &getSourceManager() { return SrcMgr; }
|
||||
virtual MCAsmLexer &getLexer() { return Lexer; }
|
||||
virtual MCContext &getContext() { return Ctx; }
|
||||
virtual MCStreamer &getStreamer() { return Out; }
|
||||
|
||||
virtual void Warning(SMLoc L, const Twine &Meg);
|
||||
virtual bool Error(SMLoc L, const Twine &Msg);
|
||||
|
||||
const AsmToken &Lex();
|
||||
|
||||
bool ParseExpression(const MCExpr *&Res);
|
||||
virtual bool ParseExpression(const MCExpr *&Res, SMLoc &EndLoc);
|
||||
virtual bool ParseParenExpression(const MCExpr *&Res, SMLoc &EndLoc);
|
||||
virtual bool ParseAbsoluteExpression(int64_t &Res);
|
||||
|
||||
/// }
|
||||
|
||||
private:
|
||||
bool ParseStatement();
|
||||
|
||||
void PrintMessage(SMLoc Loc, const std::string &Msg, const char *Type) const;
|
||||
|
||||
/// EnterIncludeFile - Enter the specified file. This returns true on failure.
|
||||
bool EnterIncludeFile(const std::string &Filename);
|
||||
|
||||
void EatToEndOfStatement();
|
||||
|
||||
bool ParseAssignment(StringRef Name);
|
||||
|
||||
bool ParsePrimaryExpr(const MCExpr *&Res, SMLoc &EndLoc);
|
||||
bool ParseBinOpRHS(unsigned Precedence, const MCExpr *&Res, SMLoc &EndLoc);
|
||||
bool ParseParenExpr(const MCExpr *&Res, SMLoc &EndLoc);
|
||||
|
||||
/// ParseIdentifier - Parse an identifier or string (as a quoted identifier)
|
||||
/// and set \arg Res to the identifier contents.
|
||||
bool ParseIdentifier(StringRef &Res);
|
||||
|
||||
// Directive Parsing.
|
||||
bool ParseDirectiveAscii(bool ZeroTerminated); // ".ascii", ".asciiz"
|
||||
bool ParseDirectiveValue(unsigned Size); // ".byte", ".long", ...
|
||||
bool ParseDirectiveFill(); // ".fill"
|
||||
bool ParseDirectiveSpace(); // ".space"
|
||||
bool ParseDirectiveSet(); // ".set"
|
||||
bool ParseDirectiveOrg(); // ".org"
|
||||
// ".align{,32}", ".p2align{,w,l}"
|
||||
bool ParseDirectiveAlign(bool IsPow2, unsigned ValueSize);
|
||||
|
||||
/// ParseDirectiveSymbolAttribute - Parse a directive like ".globl" which
|
||||
/// accepts a single symbol (which should be a label or an external).
|
||||
bool ParseDirectiveSymbolAttribute(MCSymbolAttr Attr);
|
||||
bool ParseDirectiveELFType(); // ELF specific ".type"
|
||||
|
||||
bool ParseDirectiveComm(bool IsLocal); // ".comm" and ".lcomm"
|
||||
|
||||
bool ParseDirectiveAbort(); // ".abort"
|
||||
bool ParseDirectiveInclude(); // ".include"
|
||||
|
||||
bool ParseDirectiveIf(SMLoc DirectiveLoc); // ".if"
|
||||
bool ParseDirectiveElseIf(SMLoc DirectiveLoc); // ".elseif"
|
||||
bool ParseDirectiveElse(SMLoc DirectiveLoc); // ".else"
|
||||
bool ParseDirectiveEndIf(SMLoc DirectiveLoc); // .endif
|
||||
|
||||
/// ParseEscapedString - Parse the current token as a string which may include
|
||||
/// escaped characters and return the string contents.
|
||||
bool ParseEscapedString(std::string &Data);
|
||||
};
|
||||
|
||||
} // end namespace llvm
|
||||
|
||||
#endif
|
||||
@ -11,25 +11,139 @@
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
#include "llvm/MC/MCParser/AsmParser.h"
|
||||
#include "llvm/ADT/SmallString.h"
|
||||
#include "llvm/ADT/StringMap.h"
|
||||
#include "llvm/ADT/StringSwitch.h"
|
||||
#include "llvm/ADT/Twine.h"
|
||||
#include "llvm/MC/MCAsmInfo.h"
|
||||
#include "llvm/MC/MCContext.h"
|
||||
#include "llvm/MC/MCExpr.h"
|
||||
#include "llvm/MC/MCInst.h"
|
||||
#include "llvm/MC/MCParser/AsmCond.h"
|
||||
#include "llvm/MC/MCParser/AsmLexer.h"
|
||||
#include "llvm/MC/MCParser/MCAsmParser.h"
|
||||
#include "llvm/MC/MCParser/MCParsedAsmOperand.h"
|
||||
#include "llvm/MC/MCSectionMachO.h"
|
||||
#include "llvm/MC/MCStreamer.h"
|
||||
#include "llvm/MC/MCSymbol.h"
|
||||
#include "llvm/MC/MCParser/MCParsedAsmOperand.h"
|
||||
#include "llvm/Support/Compiler.h"
|
||||
#include "llvm/Support/SourceMgr.h"
|
||||
#include "llvm/Support/MemoryBuffer.h"
|
||||
#include "llvm/Support/SourceMgr.h"
|
||||
#include "llvm/Support/raw_ostream.h"
|
||||
#include "llvm/Target/TargetAsmParser.h"
|
||||
#include <vector>
|
||||
using namespace llvm;
|
||||
|
||||
namespace {
|
||||
|
||||
/// \brief The concrete assembly parser instance.
|
||||
class AsmParser : public MCAsmParser {
|
||||
AsmParser(const AsmParser &); // DO NOT IMPLEMENT
|
||||
void operator=(const AsmParser &); // DO NOT IMPLEMENT
|
||||
private:
|
||||
AsmLexer Lexer;
|
||||
MCContext &Ctx;
|
||||
MCStreamer &Out;
|
||||
SourceMgr &SrcMgr;
|
||||
MCAsmParserExtension *GenericParser;
|
||||
MCAsmParserExtension *PlatformParser;
|
||||
|
||||
/// This is the current buffer index we're lexing from as managed by the
|
||||
/// SourceMgr object.
|
||||
int CurBuffer;
|
||||
|
||||
AsmCond TheCondState;
|
||||
std::vector<AsmCond> TheCondStack;
|
||||
|
||||
/// DirectiveMap - This is a table handlers for directives. Each handler is
|
||||
/// invoked after the directive identifier is read and is responsible for
|
||||
/// parsing and validating the rest of the directive. The handler is passed
|
||||
/// in the directive name and the location of the directive keyword.
|
||||
StringMap<std::pair<MCAsmParserExtension*, DirectiveHandler> > DirectiveMap;
|
||||
public:
|
||||
AsmParser(const Target &T, SourceMgr &SM, MCContext &Ctx, MCStreamer &Out,
|
||||
const MCAsmInfo &MAI);
|
||||
~AsmParser();
|
||||
|
||||
virtual bool Run(bool NoInitialTextSection, bool NoFinalize = false);
|
||||
|
||||
void AddDirectiveHandler(MCAsmParserExtension *Object,
|
||||
StringRef Directive,
|
||||
DirectiveHandler Handler) {
|
||||
DirectiveMap[Directive] = std::make_pair(Object, Handler);
|
||||
}
|
||||
|
||||
public:
|
||||
/// @name MCAsmParser Interface
|
||||
/// {
|
||||
|
||||
virtual SourceMgr &getSourceManager() { return SrcMgr; }
|
||||
virtual MCAsmLexer &getLexer() { return Lexer; }
|
||||
virtual MCContext &getContext() { return Ctx; }
|
||||
virtual MCStreamer &getStreamer() { return Out; }
|
||||
|
||||
virtual void Warning(SMLoc L, const Twine &Meg);
|
||||
virtual bool Error(SMLoc L, const Twine &Msg);
|
||||
|
||||
const AsmToken &Lex();
|
||||
|
||||
bool ParseExpression(const MCExpr *&Res);
|
||||
virtual bool ParseExpression(const MCExpr *&Res, SMLoc &EndLoc);
|
||||
virtual bool ParseParenExpression(const MCExpr *&Res, SMLoc &EndLoc);
|
||||
virtual bool ParseAbsoluteExpression(int64_t &Res);
|
||||
|
||||
/// }
|
||||
|
||||
private:
|
||||
bool ParseStatement();
|
||||
|
||||
void PrintMessage(SMLoc Loc, const std::string &Msg, const char *Type) const;
|
||||
|
||||
/// EnterIncludeFile - Enter the specified file. This returns true on failure.
|
||||
bool EnterIncludeFile(const std::string &Filename);
|
||||
|
||||
void EatToEndOfStatement();
|
||||
|
||||
bool ParseAssignment(StringRef Name);
|
||||
|
||||
bool ParsePrimaryExpr(const MCExpr *&Res, SMLoc &EndLoc);
|
||||
bool ParseBinOpRHS(unsigned Precedence, const MCExpr *&Res, SMLoc &EndLoc);
|
||||
bool ParseParenExpr(const MCExpr *&Res, SMLoc &EndLoc);
|
||||
|
||||
/// ParseIdentifier - Parse an identifier or string (as a quoted identifier)
|
||||
/// and set \arg Res to the identifier contents.
|
||||
bool ParseIdentifier(StringRef &Res);
|
||||
|
||||
// Directive Parsing.
|
||||
bool ParseDirectiveAscii(bool ZeroTerminated); // ".ascii", ".asciiz"
|
||||
bool ParseDirectiveValue(unsigned Size); // ".byte", ".long", ...
|
||||
bool ParseDirectiveFill(); // ".fill"
|
||||
bool ParseDirectiveSpace(); // ".space"
|
||||
bool ParseDirectiveSet(); // ".set"
|
||||
bool ParseDirectiveOrg(); // ".org"
|
||||
// ".align{,32}", ".p2align{,w,l}"
|
||||
bool ParseDirectiveAlign(bool IsPow2, unsigned ValueSize);
|
||||
|
||||
/// ParseDirectiveSymbolAttribute - Parse a directive like ".globl" which
|
||||
/// accepts a single symbol (which should be a label or an external).
|
||||
bool ParseDirectiveSymbolAttribute(MCSymbolAttr Attr);
|
||||
bool ParseDirectiveELFType(); // ELF specific ".type"
|
||||
|
||||
bool ParseDirectiveComm(bool IsLocal); // ".comm" and ".lcomm"
|
||||
|
||||
bool ParseDirectiveAbort(); // ".abort"
|
||||
bool ParseDirectiveInclude(); // ".include"
|
||||
|
||||
bool ParseDirectiveIf(SMLoc DirectiveLoc); // ".if"
|
||||
bool ParseDirectiveElseIf(SMLoc DirectiveLoc); // ".elseif"
|
||||
bool ParseDirectiveElse(SMLoc DirectiveLoc); // ".else"
|
||||
bool ParseDirectiveEndIf(SMLoc DirectiveLoc); // .endif
|
||||
|
||||
/// ParseEscapedString - Parse the current token as a string which may include
|
||||
/// escaped characters and return the string contents.
|
||||
bool ParseEscapedString(std::string &Data);
|
||||
};
|
||||
|
||||
/// \brief Generic implementations of directive handling, etc. which is shared
|
||||
/// (or the default, at least) for all assembler parser.
|
||||
class GenericAsmParser : public MCAsmParserExtension {
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user