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llvm-mc: Add MCAsmParser::getContext.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80571 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar 2009-08-31 08:07:44 +00:00
parent 87392fde1f
commit 6ce004dc76
3 changed files with 16 additions and 18 deletions
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3
include/llvm/MC/MCAsmParser.h
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@ -14,6 +14,7 @@
namespace llvm {
class MCAsmLexer;
class MCContext;
class MCValue;
class SMLoc;
class Twine;
@ -31,6 +32,8 @@ public:
virtual MCAsmLexer &getLexer() = 0;
virtual MCContext &getContext() = 0;
/// Warning - Emit a warning at the location \arg L, with the message \arg
/// Msg.
virtual void Warning(SMLoc L, const Twine &Msg) = 0;

17
tools/llvm-mc/AsmParser.cpp
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@ -205,7 +205,7 @@ bool AsmParser::ParsePrimaryExpr(const MCExpr *&Res) {
Lexer.Lex(); // Eat the operator.
if (ParsePrimaryExpr(Res))
return true;
Res = MCUnaryExpr::CreateLNot(Res, Ctx);
Res = MCUnaryExpr::CreateLNot(Res, getContext());
return false;
case AsmToken::String:
case AsmToken::Identifier: {
@ -213,12 +213,12 @@ bool AsmParser::ParsePrimaryExpr(const MCExpr *&Res) {
// handle things like LFOO+4.
MCSymbol *Sym = CreateSymbol(Lexer.getTok().getIdentifier());
Res = MCSymbolRefExpr::Create(Sym, Ctx);
Res = MCSymbolRefExpr::Create(Sym, getContext());
Lexer.Lex(); // Eat identifier.
return false;
}
case AsmToken::Integer:
Res = MCConstantExpr::Create(Lexer.getTok().getIntVal(), Ctx);
Res = MCConstantExpr::Create(Lexer.getTok().getIntVal(), getContext());
Lexer.Lex(); // Eat token.
return false;
case AsmToken::LParen:
@ -228,19 +228,19 @@ bool AsmParser::ParsePrimaryExpr(const MCExpr *&Res) {
Lexer.Lex(); // Eat the operator.
if (ParsePrimaryExpr(Res))
return true;
Res = MCUnaryExpr::CreateMinus(Res, Ctx);
Res = MCUnaryExpr::CreateMinus(Res, getContext());
return false;
case AsmToken::Plus:
Lexer.Lex(); // Eat the operator.
if (ParsePrimaryExpr(Res))
return true;
Res = MCUnaryExpr::CreatePlus(Res, Ctx);
Res = MCUnaryExpr::CreatePlus(Res, getContext());
return false;
case AsmToken::Tilde:
Lexer.Lex(); // Eat the operator.
if (ParsePrimaryExpr(Res))
return true;
Res = MCUnaryExpr::CreateNot(Res, Ctx);
Res = MCUnaryExpr::CreateNot(Res, getContext());
return false;
}
}
@ -300,7 +300,8 @@ bool AsmParser::ParseParenRelocatableExpression(MCValue &Res) {
static unsigned getBinOpPrecedence(AsmToken::TokenKind K,
MCBinaryExpr::Opcode &Kind) {
switch (K) {
default: return 0; // not a binop.
default:
return 0; // not a binop.
// Lowest Precedence: &&, ||
case AsmToken::AmpAmp:
@ -397,7 +398,7 @@ bool AsmParser::ParseBinOpRHS(unsigned Precedence, const MCExpr *&Res) {
}
// Merge LHS and RHS according to operator.
Res = MCBinaryExpr::Create(Kind, Res, RHS, Ctx);
Res = MCBinaryExpr::Create(Kind, Res, RHS, getContext());
}
}

14
tools/llvm-mc/AsmParser.h
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@ -62,6 +62,8 @@ public:
virtual MCAsmLexer &getLexer() { return Lexer; }
virtual MCContext &getContext() { return Ctx; }
virtual void Warning(SMLoc L, const Twine &Meg);
virtual bool Error(SMLoc L, const Twine &Msg);
@ -72,6 +74,8 @@ public:
virtual bool ParseRelocatableExpression(MCValue &Res);
virtual bool ParseParenRelocatableExpression(MCValue &Res);
/// }
private:
@ -94,16 +98,6 @@ private:
bool ParseAssignment(const StringRef &Name, bool IsDotSet);
/// ParseParenRelocatableExpression - Parse an expression which must be
/// relocatable, assuming that an initial '(' has already been consumed.
///
/// @param Res - The relocatable expression value. The result is undefined on
/// error.
/// @result - False on success.
///
/// @see ParseRelocatableExpression, ParseParenExpr.
bool ParseParenRelocatableExpression(MCValue &Res);
bool ParsePrimaryExpr(const MCExpr *&Res);
bool ParseBinOpRHS(unsigned Precedence, const MCExpr *&Res);
bool ParseParenExpr(const MCExpr *&Res);