MC/AsmParser: Add a DarwinAsmParser extension.
- Currently initialization is a bit of a hack, but harmless. We need to rework
various parts of target initialization to clean this up.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108165 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/MC/MCParser/AsmParser.h b/include/llvm/MC/MCParser/AsmParser.h
index bbf2ebf..3483511 100644
--- a/include/llvm/MC/MCParser/AsmParser.h
+++ b/include/llvm/MC/MCParser/AsmParser.h
@@ -45,6 +45,7 @@
MCStreamer &Out;
SourceMgr &SrcMgr;
MCAsmParserExtension *GenericParser;
+ MCAsmParserExtension *PlatformParser;
TargetAsmParser *TargetParser;
/// This is the current buffer index we're lexing from as managed by the
diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp
index 05c878e..c4c3ce1 100644
--- a/lib/MC/MCParser/AsmParser.cpp
+++ b/lib/MC/MCParser/AsmParser.cpp
@@ -56,6 +56,18 @@
bool ParseDirectiveLoc(StringRef, SMLoc DirectiveLoc); // ".loc"
};
+/// \brief Implementation of directive handling which is shared across all
+/// Darwin targets.
+class DarwinAsmParser : public MCAsmParserExtension {
+public:
+ DarwinAsmParser() {}
+
+ virtual void Initialize(MCAsmParser &Parser) {
+ // Call the base implementation.
+ this->MCAsmParserExtension::Initialize(Parser);
+ }
+};
+
}
enum { DEFAULT_ADDRSPACE = 0 };
@@ -63,14 +75,25 @@
AsmParser::AsmParser(const Target &T, SourceMgr &_SM, MCContext &_Ctx,
MCStreamer &_Out, const MCAsmInfo &_MAI)
: Lexer(_MAI), Ctx(_Ctx), Out(_Out), SrcMgr(_SM),
- GenericParser(new GenericAsmParser), TargetParser(0), CurBuffer(0) {
+ GenericParser(new GenericAsmParser), PlatformParser(0),
+ TargetParser(0), CurBuffer(0) {
Lexer.setBuffer(SrcMgr.getMemoryBuffer(CurBuffer));
// Initialize the generic parser.
GenericParser->Initialize(*this);
+
+ // Initialize the platform / file format parser.
+ //
+ // FIXME: This is a hack, we need to (majorly) cleanup how these objects are
+ // created.
+ if (_MAI.hasSubsectionsViaSymbols()) {
+ PlatformParser = new DarwinAsmParser;
+ PlatformParser->Initialize(*this);
+ }
}
AsmParser::~AsmParser() {
+ delete PlatformParser;
delete GenericParser;
}