void raise3(Box* arg0, Box* arg1, Box* arg2) {
RELEASE_ASSERT(arg2 == None, "unsupported");
if (isSubclass(arg0->cls, type_cls)) {
BoxedClass* c = static_cast<BoxedClass*>(arg0);
if (isSubclass(c, Exception)) {
Box* exc_obj;
if (arg1 != None)
exc_obj = exceptionNew2(c, arg1);
else
exc_obj = exceptionNew1(c);
raiseExc(exc_obj);
} else {
raiseExcHelper(TypeError, "exceptions must be old-style classes or derived from BaseException, not %s",
getTypeName(arg0)->c_str());
}
}
if (arg1 != None)
raiseExcHelper(TypeError, "instance exception may not have a separate value");
// TODO: should only allow throwing of old-style classes or things derived
// from BaseException:
raiseExc(arg0);
}
void raiseExcHelper(BoxedClass* cls, const char* msg, ...) {
auto entries = getTracebackEntries();
last_tb = std::move(entries);
if (msg != NULL) {
va_list ap;
va_start(ap, msg);
// printf("Raising: ");
// vprintf(msg, ap);
// printf("\n");
// va_start(ap, msg);
char buf[1024];
vsnprintf(buf, sizeof(buf), msg, ap);
va_end(ap);
BoxedString* message = boxStrConstant(buf);
Box* exc_obj = exceptionNew2(cls, message);
raiseExc(exc_obj);
} else {
Box* exc_obj = exceptionNew1(cls);
raiseExc(exc_obj);
}
}
void raise3(Box* arg0, Box* arg1, Box* arg2) {
// TODO switch this to PyErr_Normalize
if (isSubclass(arg0->cls, type_cls)) {
BoxedClass* c = static_cast<BoxedClass*>(arg0);
if (isSubclass(c, BaseException)) {
Box* exc_obj;
if (arg1 != None)
exc_obj = exceptionNew2(c, arg1);
else
exc_obj = exceptionNew1(c);
raiseRaw(ExcInfo(c, exc_obj, arg2));
}
}
if (isSubclass(arg0->cls, BaseException)) {
if (arg1 != None)
raiseExcHelper(TypeError, "instance exception may not have a separate value");
raiseRaw(ExcInfo(arg0->cls, arg0, arg2));
}
raiseExcHelper(TypeError, "exceptions must be old-style classes or derived from BaseException, not %s",
getTypeName(arg0)->c_str());
}
// Have a special helper function for syntax errors, since we want to include the location
// of the syntax error in the traceback, even though it is not part of the execution:
void raiseSyntaxError(const char* msg, int lineno, int col_offset, const std::string& file, const std::string& func) {
last_exc = exceptionNew2(SyntaxError, boxStrConstant(msg));
auto entries = getTracebackEntries();
last_tb = std::move(entries);
// TODO: leaks this!
last_tb.push_back(new LineInfo(lineno, col_offset, file, func));
raiseRaw(last_exc);
}
