MC: Add MCAsmParserExtension, a base class for all the target/object specific

classes which want to extend the basic asm parser.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108158 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 0 deletions

diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp
index a8f2bbddb6..01bc917501 100644
--- a/lib/MC/MCParser/AsmParser.cpp
+++ b/lib/MC/MCParser/AsmParser.cpp
@@ -47,6 +47,12 @@ AsmParser::AsmParser(const Target &T, SourceMgr &_SM, MCContext &_Ctx,
 AsmParser::~AsmParser() {
 }
 
+void AsmParser::setTargetParser(TargetAsmParser &P) {
+  assert(!TargetParser && "Target parser is already initialized!");
+  TargetParser = &P;
+  TargetParser->Initialize(*this);
+}
+
 void AsmParser::Warning(SMLoc L, const Twine &Msg) {
   PrintMessage(L, Msg.str(), "warning");
 }