Reviewers: Jakob,

Message:
plz review

Description:
Initialize ICU data files in d8 and disable i18n for other code samples

BUG=v8:2745
[email protected]

Please review this at https://codereview.chromium.org/18899002/

SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge

Affected files:
  M samples/lineprocessor.cc
  M samples/process.cc
  M samples/shell.cc
  M src/d8.cc
  M src/d8.gyp
  A + src/icu_util.h
  A + src/icu_util.cc


Index: samples/lineprocessor.cc
diff --git a/samples/lineprocessor.cc b/samples/lineprocessor.cc
index adc5b13e4d25be8841638fa30c8adcfe0b3613c5..0c84419d3a8abe8533fb43ef48d35d752de1b011 100644
--- a/samples/lineprocessor.cc
+++ b/samples/lineprocessor.cc
@@ -137,6 +137,8 @@ void DispatchDebugMessages() {

 int RunMain(int argc, char* argv[]) {
   v8::V8::SetFlagsFromCommandLine(&argc, argv, true);
+  v8::V8::SetFlagsFromString("--noenable_i18n",
+                             static_cast<int>(strlen("--noenable_i18n")));
   v8::Isolate* isolate = v8::Isolate::GetCurrent();
   v8::HandleScope handle_scope(isolate);

Index: samples/process.cc
diff --git a/samples/process.cc b/samples/process.cc
index 1f1f92b5f5e0fe1928a8ad926b689d1bd9caf7c1..80805d2c294935ca05890c4d2e1784dd14126417 100644
--- a/samples/process.cc
+++ b/samples/process.cc
@@ -27,6 +27,7 @@

 #include <v8.h>

+#include <cstring>
 #include <string>
 #include <map>

@@ -634,6 +635,8 @@ int main(int argc, char* argv[]) {
     fprintf(stderr, "No script was specified.\n");
     return 1;
   }
+  V8::SetFlagsFromString("--noenable_i18n",
+                         static_cast<int>(strlen("--noenable_i18n")));
   Isolate* isolate = Isolate::GetCurrent();
   HandleScope scope(isolate);
   Handle<String> source = ReadFile(file);
Index: samples/shell.cc
diff --git a/samples/shell.cc b/samples/shell.cc
index a0af931b2314ba41abcf64ba3ae6560313c1e9fd..5c5f056ed1c8b1593efd31a6a5f2ad8deedaaee0 100644
--- a/samples/shell.cc
+++ b/samples/shell.cc
@@ -67,6 +67,8 @@ static bool run_shell;

 int main(int argc, char* argv[]) {
   v8::V8::SetFlagsFromCommandLine(&argc, argv, true);
+  v8::V8::SetFlagsFromString("--noenable_i18n",
+                             static_cast<int>(strlen("--noenable_i18n")));
   v8::Isolate* isolate = v8::Isolate::GetCurrent();
   run_shell = (argc == 1);
   int result;
Index: src/d8.cc
diff --git a/src/d8.cc b/src/d8.cc
index cb43d2f9c2ca0ce72310ea4938871667abd398b5..21daa0bf5c81dfcd5257d6050f35c336cc0a591f 100644
--- a/src/d8.cc
+++ b/src/d8.cc
@@ -68,6 +68,10 @@
 #include "v8.h"
 #endif  // V8_SHARED

+#if defined(V8_I18N_SUPPORT)
+#include "icu_util.h"
+#endif
+
 #if !defined(_WIN32) && !defined(_WIN64)
 #include <unistd.h>  // NOLINT
 #endif
@@ -1582,6 +1586,9 @@ class ShellArrayBufferAllocator : public v8::ArrayBuffer::Allocator {

 int Shell::Main(int argc, char* argv[]) {
   if (!SetOptions(argc, argv)) return 1;
+#if defined(V8_I18N_SUPPORT)
+  InitializeICU();
+#endif
 #ifndef V8_SHARED
   i::FLAG_harmony_array_buffer = true;
   i::FLAG_harmony_typed_arrays = true;
Index: src/d8.gyp
diff --git a/src/d8.gyp b/src/d8.gyp
index 47a7cc01187b00203b4881c826e7a3a1a85aa042..40d2f14daba21c9d80416bd4c843a57386fa126f 100644
--- a/src/d8.gyp
+++ b/src/d8.gyp
@@ -31,6 +31,7 @@
     'console%': '',
     # Enable support for Intel VTune. Supported on ia32/x64 only
     'v8_enable_vtunejit%': 0,
+    'v8_enable_i18n_support%': 0,
   },
   'includes': ['../build/common.gypi'],
   'targets': [
@@ -78,6 +79,15 @@
             '../src/third_party/vtune/v8vtune.gyp:v8_vtune',
           ],
         }],
+        ['v8_enable_i18n_support==1', {
+          'sources': [
+            'icu_util.cc',
+            'icu_util.h',
+          ],
+          'dependencies': [
+            '<(DEPTH)/third_party/icu/icu.gyp:*',
+          ],
+        }],
       ],
     },
     {
Index: src/icu_util.cc
diff --git a/src/hydrogen-dce.h b/src/icu_util.cc
similarity index 68%
copy from src/hydrogen-dce.h
copy to src/icu_util.cc
index 19749f279a2e1cb632ba5a300033e5a9f038638f..1505d3014afeecb59b2cb279fbfbe9b393dac131 100644
--- a/src/hydrogen-dce.h
+++ b/src/icu_util.cc
@@ -25,32 +25,38 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

-#ifndef V8_HYDROGEN_DCE_H_
-#define V8_HYDROGEN_DCE_H_
+#include "icu_util.h"

-#include "hydrogen.h"
+#if defined(_WIN32)
+#include <windows.h>

-namespace v8 {
-namespace internal {
-
-
-class HDeadCodeEliminationPhase : public HPhase {
- public:
-  explicit HDeadCodeEliminationPhase(HGraph* graph)
-      : HPhase("H_Dead code elimination", graph) { }
+#include "unicode/putil.h"
+#include "unicode/udata.h"

-  void Run() {
-    MarkLiveInstructions();
-    RemoveDeadInstructions();
-  }
+#define ICU_UTIL_DATA_SYMBOL "icudt" U_ICU_VERSION_SHORT "_dat"
+#define ICU_UTIL_DATA_SHARED_MODULE_NAME "icudt.dll"
+#endif

- private:
-  bool MarkLive(HValue* ref, HValue* instr);
-  void MarkLiveInstructions();
-  void RemoveDeadInstructions();
-};
-
-
-} }  // namespace v8::internal
+namespace v8 {

-#endif  // V8_HYDROGEN_DCE_H_
+bool InitializeICU() {
+#if defined(_WIN32)
+  // We expect to find the ICU data module alongside the current module.
+  HMODULE module = LoadLibraryA(ICU_UTIL_DATA_SHARED_MODULE_NAME);
+  if (!module)
+    return false;
+
+  FARPROC addr = GetProcAddress(module, ICU_UTIL_DATA_SYMBOL);
+  if (!addr)
+    return false;
+
+  UErrorCode err = U_ZERO_ERROR;
+  udata_setCommonData(reinterpret_cast<void*>(addr), &err);
+  return err == U_ZERO_ERROR;
+#else
+  // Mac/Linux bundle the ICU data in.
+  return true;
+#endif
+}
+
+}  // namespace v8
Index: src/icu_util.h
diff --git a/test/mjsunit/regress/regress-237617.js b/src/icu_util.h
similarity index 86%
copy from test/mjsunit/regress/regress-237617.js
copy to src/icu_util.h
index dabf828ae8bbfa3223e56664a97780098e6c5e3e..d7961b9d3650a3fdfc47334555a63850fb3aae46 100644
--- a/test/mjsunit/regress/regress-237617.js
+++ b/src/icu_util.h
@@ -25,19 +25,16 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

-"use strict"

-function f() {
-  throw new Error("test stack");
-}
+#ifndef V8_ICU_UTIL_H_
+#define V8_ICU_UTIL_H_

-var error_stack = "";
-try {
-  f.call(null);
-} catch (e) {
-  error_stack = e.stack;
-}
+namespace v8 {

-assertTrue(error_stack.indexOf("test stack") > 0);
-assertTrue(error_stack.indexOf("illegal") < 0);
+// Call this function to load ICU's data tables for the current process. This
+// function should be called before ICU is used.
+bool InitializeICU();

+}  // namespace v8
+
+#endif  // V8_ICU_UTIL_H_


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