Simple toplevel code generator support for short-circuited boolean OR...

src/compiler.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 732 matching lines @@
   BAILOUT("UnaryOperation");
 }
 
 
 void CodeGenSelector::VisitCountOperation(CountOperation* expr) {
   BAILOUT("CountOperation");
 }
 
 
 void CodeGenSelector::VisitBinaryOperation(BinaryOperation* expr) {
-  BAILOUT("BinaryOperation");
+  switch (expr->op()) {
+    case Token::OR:
+      Visit(expr->left());
+      CHECK_BAILOUT;
+      Visit(expr->right());
+      break;
+
+    default:
+      BAILOUT("Unsupported binary operation");
+  }
 }
 
 
 void CodeGenSelector::VisitCompareOperation(CompareOperation* expr) {
   BAILOUT("CompareOperation");
 }
 
 
 void CodeGenSelector::VisitThisFunction(ThisFunction* expr) {
   BAILOUT("ThisFunction");
 }
 
 #undef BAILOUT
 #undef CHECK_BAILOUT
 
 
 } }  // namespace v8::internal