[PM] Factor the overwhelming majority of the interface boiler plate out

[oota-llvm.git] / examples / Kaleidoscope / Chapter4 / toy.cpp

diff --git a/examples/Kaleidoscope/Chapter4/toy.cpp b/examples/Kaleidoscope/Chapter4/toy.cpp
index a52b5552a291d185c81a918ae3d23de36b508305..27c3f4f22d67da8ad1cbfa4c432d333d2677a424 100644 (file)
--- a/examples/Kaleidoscope/Chapter4/toy.cpp
+++ b/examples/Kaleidoscope/Chapter4/toy.cpp
@@ -87,16 +87,14 @@ static int gettok() {
 //===----------------------------------------------------------------------===//
 // Abstract Syntax Tree (aka Parse Tree)
 //===----------------------------------------------------------------------===//
-
+namespace {
 /// ExprAST - Base class for all expression nodes.
 class ExprAST {
 public:
-  virtual ~ExprAST();
+  virtual ~ExprAST() {}
   virtual Value *Codegen() = 0;
 };
 
-ExprAST::~ExprAST() {}
-
 /// NumberExprAST - Expression class for numeric literals like "1.0".
 class NumberExprAST : public ExprAST {
   double Val;
@@ -156,6 +154,7 @@ public:
   
   Function *Codegen();
 };
+} // end anonymous namespace
 
 //===----------------------------------------------------------------------===//
 // Parser