Use locale insensitive method to parse double literals.

runtime/vm/object.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/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/bigint_operations.h"
@@ skipping 10568 matching lines @@
                                       Double::InstanceSize(),
                                       space);
     NoGCScope no_gc;
     result ^= raw;
   }
   result.set_value(d);
   return result.raw();
 }
 
 
-static bool IsWhiteSpace(char ch) {
-  return ch == '\0' || ch == '\n' || ch == '\r' || ch == ' ' || ch == '\t';
-}
-
-
-static bool StringToDouble(const String& str, double* double_value) {
-  ASSERT(double_value != NULL);
-  // TODO(regis): For now, we use strtod to convert a string to double.
-  const char* nptr = str.ToCString();
-  char* endptr = NULL;
-  *double_value = strtod(nptr, &endptr);
-  // We do not treat overflow or underflow as an error and therefore do not
-  // check errno for ERANGE.
-  if (!IsWhiteSpace(*endptr)) {
-    return false;
-  }
-  return true;
-}
-
-
 RawDouble* Double::New(const String& str, Heap::Space space) {
   double double_value;
-  if (!StringToDouble(str, &double_value)) {
+  if (!CStringToDouble(str.ToCString(), str.Length(), &double_value)) {
     return Double::Handle().raw();
   }
   return New(double_value, space);
 }
 
 
 RawDouble* Double::NewCanonical(double value) {
   const Class& cls =
       Class::Handle(Isolate::Current()->object_store()->double_class());
   const Array& constants = Array::Handle(cls.constants());
@@ skipping 16 matching lines @@
   // it is full.
   canonical_value = Double::New(value, Heap::kOld);
   cls.InsertCanonicalConstant(index, canonical_value);
   canonical_value.SetCanonical();
   return canonical_value.raw();
 }
 
 
 RawDouble* Double::NewCanonical(const String& str) {
   double double_value;
-  if (!StringToDouble(str, &double_value)) {
+  if (!CStringToDouble(str.ToCString(), str.Length(), &double_value)) {
     return Double::Handle().raw();
   }
   return NewCanonical(double_value);
 }
 
 
 const char* Double::ToCString() const {
   if (isnan(value())) {
     return "NaN";
   }
@@ skipping 2390 matching lines @@
   }
   return result.raw();
 }
 
 
 const char* WeakProperty::ToCString() const {
   return "_WeakProperty";
 }
 
 }  // namespace dart