import full versions of dependency libraries!

1 files changed, 178 insertions, 0 deletions

diff --git a/deps/v8/src/messages.cc b/deps/v8/src/messages.cc
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+++ b/deps/v8/src/messages.cc
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+
+// Copyright 2006-2008 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "v8.h"
+
+#include "api.h"
+#include "execution.h"
+#include "spaces-inl.h"
+#include "top.h"
+
+namespace v8 { namespace internal {
+
+
+// If no message listeners have been registered this one is called
+// by default.
+void MessageHandler::DefaultMessageReport(const MessageLocation* loc,
+                                          Handle<Object> message_obj) {
+  SmartPointer<char> str = GetLocalizedMessage(message_obj);
+  if (loc == NULL) {
+    PrintF("%s\n", *str);
+  } else {
+    HandleScope scope;
+    Handle<Object> data(loc->script()->name());
+    SmartPointer<char> data_str;
+    if (data->IsString())
+      data_str = Handle<String>::cast(data)->ToCString(DISALLOW_NULLS);
+    PrintF("%s:%i: %s\n", *data_str ? *data_str : "<unknown>",
+           loc->start_pos(), *str);
+  }
+}
+
+
+void MessageHandler::ReportMessage(const char* msg) {
+  PrintF("%s\n", msg);
+}
+
+
+Handle<Object> MessageHandler::MakeMessageObject(
+    const char* type,
+    MessageLocation* loc,
+    Vector< Handle<Object> > args,
+    Handle<String> stack_trace) {
+  // Build error message object
+  v8::HandleScope scope;  // Instantiate a closeable HandleScope for EscapeFrom.
+  Handle<Object> type_str = Factory::LookupAsciiSymbol(type);
+  Handle<Object> array = Factory::NewJSArray(args.length());
+  for (int i = 0; i < args.length(); i++)
+    SetElement(Handle<JSArray>::cast(array), i, args[i]);
+
+  Handle<JSFunction> fun(Top::global_context()->make_message_fun());
+  int start, end;
+  Handle<Object> script;
+  if (loc) {
+    start = loc->start_pos();
+    end = loc->end_pos();
+    script = GetScriptWrapper(loc->script());
+  } else {
+    start = end = 0;
+    script = Factory::undefined_value();
+  }
+  Handle<Object> start_handle(Smi::FromInt(start));
+  Handle<Object> end_handle(Smi::FromInt(end));
+  Handle<Object> stack_trace_val = stack_trace.is_null()
+    ? Factory::undefined_value()
+    : Handle<Object>::cast(stack_trace);
+  const int argc = 6;
+  Object** argv[argc] = { type_str.location(),
+                          array.location(),
+                          start_handle.location(),
+                          end_handle.location(),
+                          script.location(),
+                          stack_trace_val.location() };
+
+  // Setup a catch handler to catch exceptions in creating the message. This
+  // handler is non-verbose to avoid calling MakeMessage recursively in case of
+  // an exception.
+  v8::TryCatch catcher;
+  catcher.SetVerbose(false);
+  catcher.SetCaptureMessage(false);
+
+  // Format the message.
+  bool caught_exception = false;
+  Handle<Object> message =
+      Execution::Call(fun, Factory::undefined_value(), argc, argv,
+                      &caught_exception);
+
+  // If creating the message (in JS code) resulted in an exception, we
+  // skip doing the callback. This usually only happens in case of
+  // stack overflow exceptions being thrown by the parser when the
+  // stack is almost full.
+  if (caught_exception) return Handle<Object>();
+
+  return message.EscapeFrom(&scope);
+}
+
+
+void MessageHandler::ReportMessage(MessageLocation* loc,
+                                   Handle<Object> message) {
+  v8::Local<v8::Message> api_message_obj = v8::Utils::MessageToLocal(message);
+
+  v8::NeanderArray global_listeners(Factory::message_listeners());
+  int global_length = global_listeners.length();
+  if (global_length == 0) {
+    DefaultMessageReport(loc, message);
+  } else {
+    for (int i = 0; i < global_length; i++) {
+      HandleScope scope;
+      if (global_listeners.get(i)->IsUndefined()) continue;
+      v8::NeanderObject listener(JSObject::cast(global_listeners.get(i)));
+      Handle<Proxy> callback_obj(Proxy::cast(listener.get(0)));
+      v8::MessageCallback callback =
+          FUNCTION_CAST<v8::MessageCallback>(callback_obj->proxy());
+      Handle<Object> callback_data(listener.get(1));
+      callback(api_message_obj, v8::Utils::ToLocal(callback_data));
+    }
+  }
+}
+
+
+Handle<String> MessageHandler::GetMessage(Handle<Object> data) {
+  Handle<String> fmt_str = Factory::LookupAsciiSymbol("FormatMessage");
+  Handle<JSFunction> fun =
+      Handle<JSFunction>(
+          JSFunction::cast(
+              Top::builtins()->GetProperty(*fmt_str)));
+  Object** argv[1] = { data.location() };
+
+  bool caught_exception;
+  Handle<Object> result =
+      Execution::TryCall(fun, Top::builtins(), 1, argv,
+                         &caught_exception);
+
+  if (caught_exception || !result->IsString()) {
+    return Factory::LookupAsciiSymbol("<error>");
+  }
+  Handle<String> result_string = Handle<String>::cast(result);
+  // A string that has been obtained from JS code in this way is
+  // likely to be a complicated ConsString of some sort.  We flatten it
+  // here to improve the efficiency of converting it to a C string and
+  // other operations that are likely to take place (see GetLocalizedMessage
+  // for example).
+  FlattenString(result_string);
+  return result_string;
+}
+
+
+SmartPointer<char> MessageHandler::GetLocalizedMessage(Handle<Object> data) {
+  HandleScope scope;
+  return GetMessage(data)->ToCString(DISALLOW_NULLS);
+}
+
+
+} }  // namespace v8::internal