diff options
Diffstat (limited to 'deps/v8/src/mksnapshot.cc')
-rw-r--r-- | deps/v8/src/mksnapshot.cc | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/deps/v8/src/mksnapshot.cc b/deps/v8/src/mksnapshot.cc index e426a5809..275c8acc8 100644 --- a/deps/v8/src/mksnapshot.cc +++ b/deps/v8/src/mksnapshot.cc @@ -25,6 +25,8 @@ // (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 <errno.h> +#include <stdio.h> #ifdef COMPRESS_STARTUP_DATA_BZ2 #include <bzlib.h> #endif @@ -33,6 +35,7 @@ #include "v8.h" #include "bootstrapper.h" +#include "flags.h" #include "natives.h" #include "platform.h" #include "serialize.h" @@ -308,6 +311,62 @@ int main(int argc, char** argv) { "\nException thrown while compiling natives - see above.\n\n"); exit(1); } + if (i::FLAG_extra_code != NULL) { + context->Enter(); + // Capture 100 frames if anything happens. + V8::SetCaptureStackTraceForUncaughtExceptions(true, 100); + HandleScope scope; + const char* name = i::FLAG_extra_code; + FILE* file = i::OS::FOpen(name, "rb"); + if (file == NULL) { + fprintf(stderr, "Failed to open '%s': errno %d\n", name, errno); + exit(1); + } + + fseek(file, 0, SEEK_END); + int size = ftell(file); + rewind(file); + + char* chars = new char[size + 1]; + chars[size] = '\0'; + for (int i = 0; i < size;) { + int read = static_cast<int>(fread(&chars[i], 1, size - i, file)); + if (read < 0) { + fprintf(stderr, "Failed to read '%s': errno %d\n", name, errno); + exit(1); + } + i += read; + } + fclose(file); + Local<String> source = String::New(chars); + TryCatch try_catch; + Local<Script> script = Script::Compile(source); + if (try_catch.HasCaught()) { + fprintf(stderr, "Failure compiling '%s' (see above)\n", name); + exit(1); + } + script->Run(); + if (try_catch.HasCaught()) { + fprintf(stderr, "Failure running '%s'\n", name); + Local<Message> message = try_catch.Message(); + Local<String> message_string = message->Get(); + Local<String> message_line = message->GetSourceLine(); + int len = 2 + message_string->Utf8Length() + message_line->Utf8Length(); + char* buf = new char(len); + message_string->WriteUtf8(buf); + fprintf(stderr, "%s at line %d\n", buf, message->GetLineNumber()); + message_line->WriteUtf8(buf); + fprintf(stderr, "%s\n", buf); + int from = message->GetStartColumn(); + int to = message->GetEndColumn(); + int i; + for (i = 0; i < from; i++) fprintf(stderr, " "); + for ( ; i <= to; i++) fprintf(stderr, "^"); + fprintf(stderr, "\n"); + exit(1); + } + context->Exit(); + } // Make sure all builtin scripts are cached. { HandleScope scope; for (int i = 0; i < i::Natives::GetBuiltinsCount(); i++) { |