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
diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp
index a8f2bbd..01bc917 100644
--- a/lib/MC/MCParser/AsmParser.cpp
+++ b/lib/MC/MCParser/AsmParser.cpp
@@ -47,6 +47,12 @@
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");
}
diff --git a/lib/MC/MCParser/CMakeLists.txt b/lib/MC/MCParser/CMakeLists.txt
index a5c0818..4dae5ea 100644
--- a/lib/MC/MCParser/CMakeLists.txt
+++ b/lib/MC/MCParser/CMakeLists.txt
@@ -3,5 +3,6 @@
AsmParser.cpp
MCAsmLexer.cpp
MCAsmParser.cpp
+ MCAsmParserExtension.cpp
TargetAsmParser.cpp
)
diff --git a/lib/MC/MCParser/MCAsmParserExtension.cpp b/lib/MC/MCParser/MCAsmParserExtension.cpp
new file mode 100644
index 0000000..c30d306
--- /dev/null
+++ b/lib/MC/MCParser/MCAsmParserExtension.cpp
@@ -0,0 +1,21 @@
+//===-- MCAsmParserExtension.cpp - Asm Parser Hooks -----------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/MC/MCParser/MCAsmParserExtension.h"
+using namespace llvm;
+
+MCAsmParserExtension::MCAsmParserExtension() {
+}
+
+MCAsmParserExtension::~MCAsmParserExtension() {
+}
+
+void MCAsmParserExtension::Initialize(MCAsmParser &Parser) {
+ this->Parser = &Parser;
+}