Add position information for compares, binary ops, and count

src/ast.cc

 // Copyright 2010 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 221 matching lines @@
   return false;
 }
 
 
 void Expression::CopyAnalysisResultsFrom(Expression* other) {
   bitfields_ = other->bitfields_;
   type_ = other->type_;
 }
 
 
+BinaryOperation::BinaryOperation(Assignment* assignment) {
+  ASSERT(assignment->is_compound());
+  op_ = assignment->binary_op();
+  left_ = assignment->target();
+  right_ = assignment->value();
+  pos_ = assignment->position();
+  CopyAnalysisResultsFrom(assignment);
+}
+
+
 // ----------------------------------------------------------------------------
 // Implementation of AstVisitor
 
 bool AstVisitor::CheckStackOverflow() {
   if (stack_overflow_) return true;
   StackLimitCheck check;
   if (!check.HasOverflowed()) return false;
   return (stack_overflow_ = true);
 }
 
@@ skipping 331 matching lines @@
       cond_(NULL),
       may_have_function_literal_(true) {
 }
 
 
 CaseClause::CaseClause(Expression* label, ZoneList<Statement*>* statements)
     : label_(label), statements_(statements) {
 }
 
 } }  // namespace v8::internal