6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-07-21 02:29:22 +00:00
Code Issues Projects Releases Wiki Activity

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

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
include/llvm/MC/MCParser/MCAsmParser.h
View File

@ -65,6 +65,7 @@ public:
void setTargetParser(MCTargetAsmParser &P);
virtual unsigned getAssemblerDialect() { return 0;}
virtual void setAssemblerDialect(unsigned i) { }
bool getShowParsedOperands() const { return ShowParsedOperands; }
void setShowParsedOperands(bool Value) { ShowParsedOperands = Value; }

16
lib/MC/MCParser/AsmParser.cpp
View File

@ -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();

7
lib/Target/X86/AsmParser/X86AsmParser.cpp
View File

@ -34,7 +34,6 @@ struct X86Operand;
class X86AsmParser : public MCTargetAsmParser {
MCSubtargetInfo &STI;
MCAsmParser &Parser;
bool IntelSyntax;
private:
MCAsmParser &getParser() const { return Parser; }
@ -94,7 +93,7 @@ private:
public:
X86AsmParser(MCSubtargetInfo &sti, MCAsmParser &parser)
: MCTargetAsmParser(), STI(sti), Parser(parser), IntelSyntax(false) {
: MCTargetAsmParser(), STI(sti), Parser(parser) {
// Initialize the set of available features.
setAvailableFeatures(ComputeAvailableFeatures(STI.getFeatureBits()));
@ -107,7 +106,7 @@ public:
virtual bool ParseDirective(AsmToken DirectiveID);
bool isParsingIntelSyntax() {
return IntelSyntax || getParser().getAssemblerDialect();
return getParser().getAssemblerDialect();
}
};
} // end anonymous namespace
@ -1646,7 +1645,7 @@ bool X86AsmParser::ParseDirective(AsmToken DirectiveID) {
else if (IDVal.startswith(".code"))
return ParseDirectiveCode(IDVal, DirectiveID.getLoc());
else if (IDVal.startswith(".intel_syntax")) {
IntelSyntax = true;
getParser().setAssemblerDialect(1);
if (getLexer().isNot(AsmToken::EndOfStatement)) {
if(Parser.getTok().getString() == "noprefix") {
// FIXME : Handle noprefix