New bigint implementation in the vm.

runtime/vm/snapshot.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/snapshot.h"
 
 #include "platform/assert.h"
-#include "vm/bigint_operations.h"
 #include "vm/bootstrap.h"
 #include "vm/class_finalizer.h"
 #include "vm/exceptions.h"
 #include "vm/heap.h"
 #include "vm/lockers.h"
 #include "vm/longjump.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
 #include "vm/snapshot_ids.h"
 #include "vm/symbols.h"
@@ skipping 130 matching lines @@
 
 
 RawSmi* BaseReader::ReadAsSmi() {
   intptr_t value = ReadIntptrValue();
   ASSERT((value & kSmiTagMask) == kSmiTag);
   return reinterpret_cast<RawSmi*>(value);
 }
 
 
 intptr_t BaseReader::ReadSmiValue() {
-  return  Smi::Value(ReadAsSmi());
+  return Smi::Value(ReadAsSmi());
 }
 
 
 SnapshotReader::SnapshotReader(const uint8_t* buffer,
                                intptr_t size,
                                Snapshot::Kind kind,
                                Isolate* isolate)
     : BaseReader(buffer, size),
       kind_(kind),
       isolate_(isolate),
@@ skipping 440 matching lines @@
 RawMint* SnapshotReader::NewMint(int64_t value) {
   ASSERT(kind_ == Snapshot::kFull);
   ASSERT(isolate()->no_gc_scope_depth() != 0);
   RawMint* obj = reinterpret_cast<RawMint*>(
       AllocateUninitialized(kMintCid, Mint::InstanceSize()));
   obj->ptr()->value_ = value;
   return obj;
 }
 
 
-RawBigint* SnapshotReader::NewBigint(const char* hex_string) {
-  ASSERT(kind_ == Snapshot::kFull);
-  ASSERT(isolate()->no_gc_scope_depth() != 0);
-  intptr_t bigint_length = BigintOperations::ComputeChunkLength(hex_string);
-  RawBigint* obj = reinterpret_cast<RawBigint*>(
-      AllocateUninitialized(kBigintCid, Bigint::InstanceSize(bigint_length)));
-  obj->ptr()->allocated_length_ = bigint_length;
-  obj->ptr()->signed_length_ = bigint_length;
-  BigintOperations::FromHexCString(hex_string, Bigint::Handle(obj));
-  return obj;
-}
-
-
 RawDouble* SnapshotReader::NewDouble(double value) {
   ASSERT(kind_ == Snapshot::kFull);
   ASSERT(isolate()->no_gc_scope_depth() != 0);
   RawDouble* obj = reinterpret_cast<RawDouble*>(
       AllocateUninitialized(kDoubleCid, Double::InstanceSize()));
   obj->ptr()->value_ = value;
   return obj;
 }
 
 
 RawTypedData* SnapshotReader::NewTypedData(intptr_t class_id, intptr_t len) {
   ASSERT(kind_ == Snapshot::kFull);
   ASSERT(isolate()->no_gc_scope_depth() != 0);
   const intptr_t lengthInBytes = len * TypedData::ElementSizeInBytes(class_id);
   RawTypedData* obj = reinterpret_cast<RawTypedData*>(
       AllocateUninitialized(class_id, TypedData::InstanceSize(lengthInBytes)));
   obj->ptr()->length_ = Smi::New(len);
   return obj;
 }
 
 
 #define ALLOC_NEW_OBJECT(type)                                                 \
   ASSERT(kind_ == Snapshot::kFull);                                            \
   ASSERT(isolate()->no_gc_scope_depth() != 0);                                 \
   return reinterpret_cast<Raw##type*>(                                         \
       AllocateUninitialized(k##type##Cid, type::InstanceSize()));              \
 
 
+RawBigint* SnapshotReader::NewBigint() {
+  ALLOC_NEW_OBJECT(Bigint);
+}
+
+
 RawUnresolvedClass* SnapshotReader::NewUnresolvedClass() {
   ALLOC_NEW_OBJECT(UnresolvedClass);
 }
 
 
 RawType* SnapshotReader::NewType() {
   ALLOC_NEW_OBJECT(Type);
 }
 
 
@@ skipping 1103 matching lines @@
     NoGCScope no_gc;
     WriteObject(obj.raw());
     UnmarkAll();
   } else {
     ThrowException(exception_type(), exception_msg());
   }
 }
 
 
 }  // namespace dart