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Add assembler dialect attribute in asm parser which lets target specific asm parser change dialect on the fly.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149396 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2012-01-31 18:14:05 +00:00
parent 48381e5d20
commit 0db58bfece
3 changed files with 18 additions and 6 deletions
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16
lib/MC/MCParser/AsmParser.cpp
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@@ -123,6 +123,9 @@ private:
int64_t CppHashLineNumber;
SMLoc CppHashLoc;
/// AssemblerDialect. ~OU means unset value and use value provided by MAI.
unsigned AssemblerDialect;
public:
AsmParser(SourceMgr &SM, MCContext &Ctx, MCStreamer &Out,
const MCAsmInfo &MAI);
@@ -144,7 +147,15 @@ public:
virtual MCAsmLexer &getLexer() { return Lexer; }
virtual MCContext &getContext() { return Ctx; }
virtual MCStreamer &getStreamer() { return Out; }
virtual unsigned getAssemblerDialect() { return MAI.getAssemblerDialect(); }
virtual unsigned getAssemblerDialect() {
if (AssemblerDialect == ~0U)
return MAI.getAssemblerDialect();
else
return AssemblerDialect;
}
virtual void setAssemblerDialect(unsigned i) {
AssemblerDialect = i;
}
virtual bool Warning(SMLoc L, const Twine &Msg,
ArrayRef<SMRange> Ranges = ArrayRef<SMRange>());
@@ -369,7 +380,8 @@ AsmParser::AsmParser(SourceMgr &_SM, MCContext &_Ctx,
MCStreamer &_Out, const MCAsmInfo &_MAI)
: Lexer(_MAI), Ctx(_Ctx), Out(_Out), MAI(_MAI), SrcMgr(_SM),
GenericParser(new GenericAsmParser), PlatformParser(0),
CurBuffer(0), MacrosEnabled(true), CppHashLineNumber(0) {
CurBuffer(0), MacrosEnabled(true), CppHashLineNumber(0),
AssemblerDialect(~0U) {
// Save the old handler.
SavedDiagHandler = SrcMgr.getDiagHandler();
SavedDiagContext = SrcMgr.getDiagContext();