Progress on message expressions...

- Add ObjcMessageExpr AST node and associated constructors.
- Add SourceLocation's to ActOnKeywordMessage/ActOnUnaryMessage API.
- Instantiate message expressions...
- Replace alloca usage with SmallString.

Next step, installing a correct type, among other tweaks...



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@42116 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/AST/StmtPrinter.cpp b/AST/StmtPrinter.cpp
index 9e8f3e9..11dd2ef 100644
--- a/AST/StmtPrinter.cpp
+++ b/AST/StmtPrinter.cpp
@@ -612,6 +612,17 @@
   OS << Node->getEncodedType().getAsString() << ")";
 }
 
+void StmtPrinter::VisitObjCMessageExpr(ObjCMessageExpr *Mess) {
+  OS << "[";
+  PrintExpr(Mess->getReceiver());
+  for (unsigned i = 0, e = Mess->getNumArgs(); i != e; ++i) {
+    // FIXME: get/print keyword...
+    PrintExpr(Mess->getArg(i));
+  }
+  OS << "]";
+}
+
+
 //===----------------------------------------------------------------------===//
 // Stmt method implementations
 //===----------------------------------------------------------------------===//