예제 #1
0
Error BaseContext::removeUnreachableCode() {
  PodList<BaseNode*>::Link* link = _unreachableList.getFirst();
  BaseNode* stop = getStop();

  while (link != NULL) {
    BaseNode* node = link->getValue();
    if (node != NULL && node->getPrev() != NULL) {
      // Locate all unreachable nodes.
      BaseNode* first = node;
      do {
        if (node->isFetched())
          break;
        node = node->getNext();
      } while (node != stop);

      // Remove.
      if (node != first) {
        BaseNode* last = (node != NULL) ? node->getPrev() : getCompiler()->getLastNode();
        getCompiler()->removeNodes(first, last);
      }
    }

    link = link->getNext();
  }

  return kErrorOk;
}
예제 #2
0
Error BaseContext::compile(FuncNode* func) {
  BaseNode* end = func->getEnd();
  BaseNode* stop = end->getNext();

  _func = func;
  _stop = stop;
  _extraBlock = end;

  ASMJIT_PROPAGATE_ERROR(fetch());
  ASMJIT_PROPAGATE_ERROR(removeUnreachableCode());
  ASMJIT_PROPAGATE_ERROR(analyze());

  if (_compiler->hasLogger())
    ASMJIT_PROPAGATE_ERROR(annotate());

  ASMJIT_PROPAGATE_ERROR(translate());

  // We alter the compiler cursor, because it doesn't make sense to reference
  // it after compilation - some nodes may disappear and it's forbidden to add
  // new code after the compilation is done.
  _compiler->_setCursor(NULL);

  return kErrorOk;
}