Change the zone allocation api.

runtime/vm/zone.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/zone.h"
 
 #include "platform/assert.h"
 #include "platform/utils.h"
 #include "vm/flags.h"
 #include "vm/isolate.h"
@@ skipping 168 matching lines @@
   size += sizeof(Segment);  // Account for book keeping fields in size.
   large_segments_ = Segment::New(size, large_segments_);
 
   uword result = Utils::RoundUp(large_segments_->start(), kAlignment);
   return result;
 }
 
 
 char* BaseZone::MakeCopyOfString(const char* str) {
   intptr_t len = strlen(str) + 1;  // '\0'-terminated.
-  char* copy = reinterpret_cast<char*>(Allocate(len));
+  char* copy = Alloc<char>(len);
   strncpy(copy, str, len);
   return copy;
 }
 
 
-uword BaseZone::Reallocate(uword data, intptr_t old_size, intptr_t new_size) {
-  ASSERT(new_size >= 0);
-  uword new_data = Allocate(new_size);
-  if (data != 0) {
-    memmove(reinterpret_cast<void*>(new_data),
-            reinterpret_cast<void*>(data),
-            Utils::Minimum(old_size, new_size));
-  }
-  return new_data;
-}
-
-
 #if defined(DEBUG)
 void BaseZone::DumpZoneSizes() {
   intptr_t size = 0;
   for (Segment* s = large_segments_; s != NULL; s = s->next()) {
     size += s->size();
   }
   OS::Print("Size in bytes allocated, Total = %d Large Segments = %d\n",
             SizeInBytes(), size);
 }
 #endif
@@ skipping 26 matching lines @@
   }
 }
 
 
 char* Zone::PrintToString(const char* format, ...) {
   va_list args;
   va_start(args, format);
   intptr_t len = OS::VSNPrint(NULL, 0, format, args);
   va_end(args);
 
-  char* buffer = reinterpret_cast<char*>(Allocate(len + 1));
+  char* buffer = Alloc<char>(len + 1);
   va_list args2;
   va_start(args2, format);
   OS::VSNPrint(buffer, (len + 1), format, args2);
   va_end(args2);
 
   return buffer;
 }
 
 
 }  // namespace dart