Prepare for ICU's switch to char16_t

src/i18n.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 // limitations under the License.
 
 #include "src/i18n.h"
 
 #include <memory>
 
 #include "src/api.h"
@@ skipping 12 matching lines @@
 #include "unicode/locid.h"
 #include "unicode/numfmt.h"
 #include "unicode/numsys.h"
 #include "unicode/rbbi.h"
 #include "unicode/smpdtfmt.h"
 #include "unicode/timezone.h"
 #include "unicode/uchar.h"
 #include "unicode/ucol.h"
 #include "unicode/ucurr.h"
 #include "unicode/unum.h"
+#include "unicode/uvernum.h"
 #include "unicode/uversion.h"
 
+#if U_ICU_VERSION_MAJOR_NUM >= 59
+#include "unicode/char16ptr.h"
+#endif
+
 namespace v8 {
 namespace internal {
 
 namespace {
 
 bool ExtractStringSetting(Isolate* isolate,
                           Handle<JSObject> options,
                           const char* key,
                           icu::UnicodeString* setting) {
   Handle<String> str = isolate->factory()->NewStringFromAsciiChecked(key);
@@ skipping 218 matching lines @@
 
       number_format = static_cast<icu::DecimalFormat*>(
           icu::NumberFormat::createInstance(icu_locale, format_style, status));
 
       if (U_FAILURE(status)) {
         delete number_format;
         return NULL;
       }
 
       UErrorCode status_digits = U_ZERO_ERROR;
+#if U_ICU_VERSION_MAJOR_NUM >= 59
       uint32_t fraction_digits = ucurr_getDefaultFractionDigits(
-        currency.getTerminatedBuffer(), &status_digits);
+          icu::toUCharPtr(currency.getTerminatedBuffer()), &status_digits);
+#else
+      uint32_t fraction_digits = ucurr_getDefaultFractionDigits(
+          currency.getTerminatedBuffer(), &status_digits);
+#endif
       if (U_SUCCESS(status_digits)) {
         number_format->setMinimumFractionDigits(fraction_digits);
         number_format->setMaximumFractionDigits(fraction_digits);
       } else {
         // Set min & max to default values (previously in i18n.js)
         number_format->setMinimumFractionDigits(0);
         number_format->setMaximumFractionDigits(3);
       }
     } else if (style == UNICODE_STRING_SIMPLE("percent")) {
       number_format = static_cast<icu::DecimalFormat*>(
@@ skipping 609 matching lines @@
 
 void V8BreakIterator::DeleteBreakIterator(
     const v8::WeakCallbackInfo<void>& data) {
   delete reinterpret_cast<icu::BreakIterator*>(data.GetInternalField(0));
   delete reinterpret_cast<icu::UnicodeString*>(data.GetInternalField(1));
   GlobalHandles::Destroy(reinterpret_cast<Object**>(data.GetParameter()));
 }
 
 }  // namespace internal
 }  // namespace v8