void ReportException(v8::TryCatch* try_catch) {
v8::HandleScope handle_scope;
v8::String::Utf8Value exception(try_catch->Exception());
const char* exception_string = ToCString(exception);
v8::Handle<v8::Message> message = try_catch->Message();
if (message.IsEmpty()) {
// V8 didn't provide any extra information about this error; just
// print the exception.
printf("%s\n", exception_string);
} else {
// Print (filename):(line number): (message).
v8::String::Utf8Value filename(message->GetScriptResourceName());
const char* filename_string = ToCString(filename);
int linenum = message->GetLineNumber();
printf("%s:%i: %s\n", filename_string, linenum, exception_string);
// Print line of source code.
v8::String::Utf8Value sourceline(message->GetSourceLine());
const char* sourceline_string = ToCString(sourceline);
printf("%s\n", sourceline_string);
// Print wavy underline (GetUnderline is deprecated).
int start = message->GetStartColumn();
for (int i = 0; i < start; i++) {
printf(" ");
}
int end = message->GetEndColumn();
for (int i = start; i < end; i++) {
printf("^");
}
printf("\n");
}
}
std::ostream& operator<<(std::ostream& s, const v8::TryCatch* try_catch) {
v8::HandleScope handle_scope;
v8::String::Utf8Value exceptionText(try_catch->Exception());
v8::Handle<v8::Message> message = try_catch->Message();
if (message.IsEmpty()) {
s << *exceptionText << endl;
}
else {
v8::String::Utf8Value filename(message->GetScriptResourceName());
int linenum = message->GetLineNumber();
cout << *filename << ":" << linenum << " " << *exceptionText << endl;
v8::String::Utf8Value sourceline(message->GetSourceLine());
cout << *sourceline << endl;
int start = message->GetStartColumn();
for (int i = 0; i < start; i++)
cout << " ";
int end = message->GetEndColumn();
for (int i = start; i < end; i++)
cout << "^";
cout << endl;
}
return s;
}
/* Handler for Javascript Exceptions. Not exposed to JavaScript, used internally.
Most of the code from v8 shell example.
*/
void msV8ReportException(TryCatch* try_catch, const char *msg = "")
{
HandleScope handle_scope;
if (!try_catch || !try_catch->HasCaught()) {
msSetError(MS_V8ERR, "%s.", "msV8ReportException()", msg);
return;
}
String::Utf8Value exception(try_catch->Exception());
const char* exception_string = *exception;
Handle<Message> message = try_catch->Message();
if (message.IsEmpty()) {
msSetError(MS_V8ERR, "Javascript Exception: %s.", "msV8ReportException()",
exception_string);
} else {
String::Utf8Value filename(message->GetScriptResourceName());
const char* filename_string = *filename;
int linenum = message->GetLineNumber();
msSetError(MS_V8ERR, "Javascript Exception: %s:%i: %s", "msV8ReportException()",
filename_string, linenum, exception_string);
String::Utf8Value sourceline(message->GetSourceLine());
const char* sourceline_string = *sourceline;
msSetError(MS_V8ERR, "Exception source line: %s", "msV8ReportException()",
sourceline_string);
String::Utf8Value stack_trace(try_catch->StackTrace());
if (stack_trace.length() > 0) {
const char* stack_trace_string = *stack_trace;
msSetError(MS_V8ERR, "Exception StackTrace: %s", "msV8ReportException()",
stack_trace_string);
}
}
}
void
ASTNode::warning (const char *format, ...)
{
va_list ap;
va_start (ap, format);
std::string errmsg = format ? Strutil::vformat (format, ap) : "unknown warning";
va_end (ap);
m_compiler->warning (sourcefile(), sourceline(), "%s", errmsg.c_str());
}
void
ASTNode::error (const char *format, ...)
{
va_list ap;
va_start (ap, format);
std::string errmsg = format ? Strutil::vformat (format, ap) : "syntax error";
va_end (ap);
m_compiler->error (sourcefile(), sourceline(), "%s", errmsg.c_str());
}
void report_exception(v8::TryCatch* try_catch) {
// todo: refactor to something that returns a string without printing directly to console.
v8::HandleScope handle_scope;
v8::String::Utf8Value exception(try_catch->Exception());
const char* exception_string = ToCString(exception);
v8::Handle<v8::Message> message = try_catch->Message();
if (message.IsEmpty()) {
// V8 didn't provide any extra information about this error; just// print the exception.
printf("%s\n\n", exception_string);
} else {
// Print (filename):(line number): (message).
v8::String::Utf8Value filename(message->GetScriptResourceName());
const char* filename_string = ToCString(filename);
int linenum = message->GetLineNumber();
printf("%s:%i: %s\n", filename_string, linenum, exception_string);
// Print line of source code.
v8::String::Utf8Value sourceline(message->GetSourceLine());
const char* sourceline_string = ToCString(sourceline);
std::string sourceline_str(sourceline_string);
printf("%s\n", sourceline_string);
// Print wavy underline (GetUnderline is deprecated).
int start = message->GetStartColumn();
for (int i =0; i < start; i++) {
if (i < sourceline_str.size()) {
if (sourceline_str.at(i) == '\t')
printf("\t");
else
printf("");
} else {
printf("");
}
}
int end = message->GetEndColumn();
for (int i = start; i < end; i++) {
if (i < sourceline_str.size()) {
if (sourceline_str.at(i) == '\t')
printf("\t");
else
printf("^");
} else {
printf("^");
}
}
printf("\n");
v8::String::Utf8Value stack_trace(try_catch->StackTrace());
if (stack_trace.length() >0) {
const char* stack_trace_string = ToCString(stack_trace);
printf("%s\n", stack_trace_string);
}
printf("\n");
}
}
void V8GL::logException(v8::TryCatch* try_catch) {
v8::HandleScope scope;
v8::String::Utf8Value exception(try_catch->Exception());
const char* exception_string = *exception;
v8::Handle<v8::Message> message = try_catch->Message();
fprintf(stderr, "\n");
if (message.IsEmpty()) {
fprintf(stderr, "%s\n", exception_string);
} else {
// Print (filename):(line number): (message).
v8::String::Utf8Value filename(message->GetScriptResourceName());
const char* filename_string = *filename;
int linenum = message->GetLineNumber();
fprintf(stderr, "%s:%i: %s\n", filename_string, linenum, exception_string);
// Print line of source code.
v8::String::Utf8Value sourceline(message->GetSourceLine());
const char* sourceline_string = *sourceline;
fprintf(stderr, "%s\n", sourceline_string);
// Print wavy underline (GetUnderline is deprecated).
int start = message->GetStartColumn();
for (int i = 0; i < start; i++) {
fprintf(stderr, "~");
}
int end = message->GetEndColumn();
for (int i = start; i < end; i++) {
fprintf(stderr, "^");
}
fprintf(stderr, "\n");
v8::String::Utf8Value stack_trace(try_catch->StackTrace());
if (stack_trace.length() > 0) {
const char* stack_trace_string = *stack_trace;
fprintf(stderr, "%s\n", stack_trace_string);
}
}
}
void DisplayExceptionLine (TryCatch &try_catch, std::string& err_msg) {
// Prevent re-entry into this function.
static bool displayed_error = false;
if (displayed_error) return;
displayed_error = true;
HandleScope scope;
Handle<Message> message = try_catch.Message();
fprintf(stderr, "\n");
err_msg = "JavaScript Exception\n\n";
if (!message.IsEmpty()) {
// Print (filename):(line number): (message).
String::Utf8Value filename(message->GetScriptResourceName());
const char* filename_string = *filename;
int linenum = message->GetLineNumber();
fprintf(stderr, "%s:%i\n", filename_string, linenum);
err_msg += filename_string;
err_msg += ":";
char num_conv[10];
sprintf(num_conv, "%i", linenum);
err_msg += num_conv;
err_msg += "\n";
// Print line of source code.
String::Utf8Value sourceline(message->GetSourceLine());
const char* sourceline_string = *sourceline;
int start = message->GetStartColumn();
int end = message->GetEndColumn();
// fprintf(stderr, "---\nsourceline:%s\noffset:%d\nstart:%d\nend:%d\n---\n", sourceline_string, start, end);
fprintf(stderr, "%s\n", sourceline_string);
err_msg += sourceline_string;
err_msg += "\n";
// Print wavy underline (GetUnderline is deprecated).
for (int i = 0; i < start; i++) {
fputc((sourceline_string[i] == '\t') ? '\t' : ' ', stderr);
}
for (int i = start; i < end; i++) {
fputc('^', stderr);
}
fputc('\n', stderr);
err_msg += "\n";
}
}
/**
* 吉里吉里に対して例外通知
*/
void
JSEXCEPTION(Isolate* isolate, TryCatch *try_catch)
{
HandleScope handle_scope(isolate);
//HandleScope handle_scope;
String::Value exception(try_catch->Exception());
Local<Message> message = try_catch->Message();
if (!message.IsEmpty()) {
// 例外表示
String::Value filename(message->GetScriptResourceName());
ttstr msg;
msg += *filename;
msg += ":";
msg += tTJSVariant(message->GetLineNumber());
msg += ":";
msg += *exception;
TVPAddLog(msg);
// Print (filename):(line number): (message).
String::Value sourceline(message->GetSourceLine());
TVPAddLog(ttstr(*sourceline));
// エラー行表示
ttstr wavy;
int start = message->GetStartColumn();
for (int i = 0; i < start; i++) {
wavy += " ";
}
int end = message->GetEndColumn();
for (int i = start; i < end; i++) {
wavy +="^";
}
TVPAddLog(wavy);
// スタックトレース表示
String::Value stack_trace(try_catch->StackTrace());
if (stack_trace.length() > 0) {
TVPAddLog(ttstr(*stack_trace));
}
}
TVPThrowExceptionMessage(*exception);
}
void SMJS_Plugin::ReportException(TryCatch* try_catch){
HandleScope handle_scope(isolate);
fprintf(stderr, "----------------------------- JAVASCRIPT EXCEPTION -----------------------------");
String::Utf8Value exception(try_catch->Exception());
const char* exception_string = ToCString(exception);
Handle<Message> message = try_catch->Message();
if (message.IsEmpty()) {
// V8 didn't provide any extra information about this error; just
// print the exception.
fprintf(stderr, "%s\n", exception_string);
} else {
// Print (filename):(line number): (message).
String::Utf8Value filename(message->GetScriptResourceName());
const char* filename_string = ToCString(filename);
int linenum = message->GetLineNumber();
fprintf(stderr, "%s:%d: %s\n", filename_string, linenum, exception_string);
// Print line of source code.
String::Utf8Value sourceline(message->GetSourceLine());
const char* sourceline_string = ToCString(sourceline);
fprintf(stderr, "%s\n", sourceline_string);
// Print wavy underline (GetUnderline is deprecated).
int start = message->GetStartColumn();
for (int i = 0; i < start; i++) {
fprintf(stderr, " ");
}
int end = message->GetEndColumn();
for (int i = start; i < end; i++) {
fprintf(stderr, "^");
}
fprintf(stderr, "\n");
String::Utf8Value stack_trace(try_catch->StackTrace());
if (stack_trace.length() > 0) {
const char* stack_trace_string = ToCString(stack_trace);
fprintf(stderr, "%s\n", stack_trace_string);
}
}
fprintf(stderr, "--------------------------------------------------------------------------------");
}
void Fragment::Script::ScriptEngine::ReportException(v8::Isolate *isolate, v8::TryCatch *try_catch) {
v8::HandleScope handle_scope(isolate);
v8::String::Utf8Value exception(try_catch->Exception());
const char *exception_string = ToCString(exception);
v8::Local<v8::Message> message = try_catch->Message();
if (message.IsEmpty()) {
// V8 didn't provide any extra information about this error; just
// print the exception.
fprintf(stderr, "%s\n", exception_string);
} else {
// Print (filename):(line number): (message).
v8::String::Utf8Value filename(message->GetScriptOrigin().ResourceName());
v8::Local<v8::Context> context(isolate->GetCurrentContext());
const char *filename_string = ToCString(filename);
int linenum = message->GetLineNumber(context).FromJust();
fprintf(stderr, "%s:%i: %s\n", filename_string, linenum, exception_string);
// Print line of source code.
v8::String::Utf8Value sourceline(
message->GetSourceLine(context).ToLocalChecked());
const char *sourceline_string = ToCString(sourceline);
fprintf(stderr, "%s\n", sourceline_string);
// Print wavy underline (GetUnderline is deprecated).
int start = message->GetStartColumn(context).FromJust();
for (int i = 0; i < start; i++) {
fprintf(stderr, " ");
}
int end = message->GetEndColumn(context).FromJust();
for (int i = start; i < end; i++) {
fprintf(stderr, "^");
}
fprintf(stderr, "\n");
v8::Local<v8::Value> stack_trace_string;
if (try_catch->StackTrace(context).ToLocal(&stack_trace_string) &&
stack_trace_string->IsString() &&
v8::Local<v8::String>::Cast(stack_trace_string)->Length() > 0) {
v8::String::Utf8Value stack_trace(stack_trace_string);
const char *stack_trace_string = ToCString(stack_trace);
fprintf(stderr, "%s\n", stack_trace_string);
}
}
}
std::string toSTLString( const v8::TryCatch * try_catch ) {
stringstream ss;
//while ( try_catch ){ // disabled for v8 bleeding edge
v8::String::Utf8Value exception(try_catch->Exception());
Handle<v8::Message> message = try_catch->Message();
if (message.IsEmpty()) {
ss << *exception << endl;
}
else {
v8::String::Utf8Value filename(message->GetScriptResourceName());
if (*filename) {
int linenum = message->GetLineNumber();
ss << *filename << ":" << linenum << " ";
}
ss << *exception << endl;
v8::String::Utf8Value sourceline(message->GetSourceLine());
ss << *sourceline << endl;
int start = message->GetStartColumn();
for (int i = 0; i < start; i++)
ss << " ";
int end = message->GetEndColumn();
for (int i = start; i < end; i++)
ss << "^";
ss << endl;
}
//try_catch = try_catch->next_;
//}
return ss.str();
}
int ReportError(TryCatch& try_catch){
cs::String str;
HandleScope handle_scope;
v8::String::Value exception(try_catch.Exception());
const wchar_t* exception_string = ToCString(exception);
Handle<v8::Message> message = try_catch.Message();
if (message.IsEmpty()) {
str.Format(L"%s\n",exception_string);
} else {
cs::String buf;
v8::String::Value filename(message->GetScriptResourceName());
const wchar_t* filename_string = ToCString(filename);
int linenum = message->GetLineNumber();
buf.Format(L"file:\t%s\r\nline:\t%i\r\n%s\r\n\r\n", filename_string, linenum, exception_string);
str += buf;
v8::String::Value sourceline(message->GetSourceLine());
const wchar_t* sourceline_string = ToCString(sourceline);
buf.Format(L"%s", sourceline_string);
int start = message->GetStartColumn();
for (int i = 0; i < start; i++) {
//str += L" ";
}
buf.Insert('^',start);
buf.Trim();
str += buf;
int end = message->GetEndColumn();
for (int i = start; i < end; i++) {
//str += L"^";
}
/*str += L"\n";
v8::String::Value stack_trace(try_catch.StackTrace());
if (stack_trace.length() > 0) {
const wchar_t* stack_trace_string = ToCString(stack_trace);
buf.Format(L"%s\n", stack_trace_string);
str += buf;
}*/
}
return MessageBox(0,str,L"Error",MB_ICONERROR);
}
void
ReportException(const v8::TryCatch& try_catch, OutT& out) {
v8::HandleScope handle_scope;
v8::String::Utf8Value exception(try_catch.Exception());
const char* exception_string = ToCString(exception);
v8::Handle<v8::Message> message = try_catch.Message();
if (message.IsEmpty()) {
// V8 didn't provide any extra information about this error; just
// print the exception.
out << exception_string << std::endl;
} else {
// Print (filename):(line number): (message).
v8::String::Utf8Value filename(message->GetScriptResourceName());
const char* filename_string = ToCString(filename);
int linenum = message->GetLineNumber();
out
<< filename_string
<< ":" << linenum
<< ": " << exception_string
<< std::endl;
// Print line of source code.
v8::String::Utf8Value sourceline(message->GetSourceLine());
const char* sourceline_string = ToCString(sourceline);
out << sourceline_string << std::endl;
// Print wavy underline (GetUnderline is deprecated).
int start = message->GetStartColumn();
for (int i = 0; i < start; i++) {
out << (" ");
}
int end = message->GetEndColumn();
for (int i = start; i < end; i++) {
out << ("^");
}
out << std::endl;
}
}
// Slight modification to an original function found in the V8 sample shell.cc.
void Global::reportException(TryCatch* tryCatch) {
HandleScope handleScope(fIsolate);
String::Utf8Value exception(tryCatch->Exception());
const char* exceptionString = to_cstring(exception);
Handle<Message> message = tryCatch->Message();
if (message.IsEmpty()) {
// V8 didn't provide any extra information about this error; just
// print the exception.
fprintf(stderr, "%s\n", exceptionString);
} else {
// Print (filename):(line number): (message).
String::Utf8Value filename(message->GetScriptOrigin().ResourceName());
const char* filenameString = to_cstring(filename);
int linenum = message->GetLineNumber();
fprintf(stderr,
"%s:%i: %s\n", filenameString, linenum, exceptionString);
// Print line of source code.
String::Utf8Value sourceline(message->GetSourceLine());
const char* sourceLineString = to_cstring(sourceline);
fprintf(stderr, "%s\n", sourceLineString);
// Print wavy underline.
int start = message->GetStartColumn();
for (int i = 0; i < start; i++) {
fprintf(stderr, " ");
}
int end = message->GetEndColumn();
for (int i = start; i < end; i++) {
fprintf(stderr, "^");
}
fprintf(stderr, "\n");
String::Utf8Value stackTrace(tryCatch->StackTrace());
if (stackTrace.length() > 0) {
const char* stackTraceString = to_cstring(stackTrace);
fprintf(stderr, "%s\n", stackTraceString);
}
}
}
static void AppendExceptionLine(Environment* env, v8::Handle<v8::Value> er, v8::Handle<v8::Message> message)
{
if (message.IsEmpty())
return;
v8::HandleScope scope(env->isolate());
v8::Local<v8::Object> err_obj;
if (!er.IsEmpty() && er->IsObject()) {
err_obj = er.As<v8::Object>();
// Do it only once per message
if (!err_obj->GetHiddenValue(env->processed_string()).IsEmpty())
return;
err_obj->SetHiddenValue(env->processed_string(), True(env->isolate()));
}
static char arrow[1024];
// Print (filename):(line number): (message).
v8::String::Utf8Value filename(message->GetScriptResourceName());
const char* filename_string = *filename;
int linenum = message->GetLineNumber();
// Print line of source code.
v8::String::Utf8Value sourceline(message->GetSourceLine());
const char* sourceline_string = *sourceline;
// Because of how node modules work, all scripts are wrapped with a
// "function (module, exports, __filename, ...) {"
// to provide script local variables.
//
// When reporting errors on the first line of a script, this wrapper
// function is leaked to the user. There used to be a hack here to
// truncate off the first 62 characters, but it caused numerous other
// problems when vm.runIn*Context() methods were used for non-module
// code.
//
// If we ever decide to re-instate such a hack, the following steps
// must be taken:
//
// 1. Pass a flag around to say "this code was wrapped"
// 2. Update the stack frame output so that it is also correct.
//
// It would probably be simpler to add a line rather than add some
// number of characters to the first line, since V8 truncates the
// sourceline to 78 characters, and we end up not providing very much
// useful debugging info to the user if we remove 62 characters.
int start = message->GetStartColumn();
int end = message->GetEndColumn();
int off = snprintf(arrow, sizeof(arrow), "%s:%i\n%s\n", filename_string, linenum, sourceline_string);
assert(off >= 0);
// Print wavy underline (GetUnderline is deprecated).
for (int i = 0; i < start; i++) {
if (sourceline_string[i] == '\0' || static_cast<size_t>(off) >= sizeof(arrow)) {
break;
}
assert(static_cast<size_t>(off) < sizeof(arrow));
arrow[off++] = (sourceline_string[i] == '\t') ? '\t' : ' ';
}
for (int i = start; i < end; i++) {
if (sourceline_string[i] == '\0' || static_cast<size_t>(off) >= sizeof(arrow)) {
break;
}
assert(static_cast<size_t>(off) < sizeof(arrow));
arrow[off++] = '^';
}
assert(static_cast<size_t>(off - 1) <= sizeof(arrow) - 1);
arrow[off++] = '\n';
arrow[off] = '\0';
v8::Local<v8::String> arrow_str = v8::String::NewFromUtf8(env->isolate(), arrow);
v8::Local<v8::Value> msg;
v8::Local<v8::Value> stack;
// Allocation failed, just print it out
if (arrow_str.IsEmpty() || err_obj.IsEmpty() || !err_obj->IsNativeError())
goto print;
msg = err_obj->Get(env->message_string());
stack = err_obj->Get(env->stack_string());
if (msg.IsEmpty() || stack.IsEmpty())
goto print;
err_obj->Set(env->message_string(), v8::String::Concat(arrow_str, msg->ToString()));
err_obj->Set(env->stack_string(), v8::String::Concat(arrow_str, stack->ToString()));
return;
print: if (env->printed_error())
return;
env->set_printed_error(true);
// uv_tty_reset_mode();
fprintf(stderr, "\n%s", arrow);
}
