Пример #1
0
 Selector* Contextualize::operator()(Complex_Selector* s)
 {
   To_String to_string(&ctx);
   Complex_Selector* ss = new (ctx.mem) Complex_Selector(*s);
   // ss->last_block(s->last_block());
   // ss->media_block(s->media_block());
   Compound_Selector* new_head = 0;
   Complex_Selector* new_tail = 0;
   if (ss->head()) {
     new_head = static_cast<Compound_Selector*>(s->head()->perform(this));
     ss->head(new_head);
   }
   if (ss->tail()) {
     new_tail = static_cast<Complex_Selector*>(s->tail()->perform(this));
     // new_tail->last_block(s->last_block());
     // new_tail->media_block(s->media_block());
     ss->tail(new_tail);
   }
   if ((new_head && new_head->has_placeholder()) || (new_tail && new_tail->has_placeholder())) {
     ss->has_placeholder(true);
   }
   else {
     ss->has_placeholder(false);
   }
   if (!ss->head() && ss->combinator() == Complex_Selector::ANCESTOR_OF) {
     return ss->tail();
   }
   else {
     return ss;
   }
 }
Пример #2
0
  Node Node::createSelector(Complex_Selector* pSelector, Context& ctx) {
    NodeDequePtr null;

    Complex_Selector* pStripped = pSelector->clone(ctx);
    pStripped->tail(NULL);
    pStripped->combinator(Complex_Selector::ANCESTOR_OF);

    return Node(SELECTOR, Complex_Selector::ANCESTOR_OF, pStripped, null /*pCollection*/);
  }
Пример #3
0
  Complex_Selector* nodeToComplexSelector(const Node& toConvert, Context& ctx) {
    if (toConvert.isNil()) {
      return NULL;
    }


    if (!toConvert.isCollection()) {
      throw "The node to convert to a Complex_Selector* must be a collection type or nil.";
    }


    NodeDeque& childNodes = *toConvert.collection();

    std::string noPath("");
    Position noPosition(-1, -1, -1);
    Complex_Selector* pFirst = SASS_MEMORY_NEW(ctx.mem, Complex_Selector, ParserState("[NODE]"), Complex_Selector::ANCESTOR_OF, NULL, NULL);

    Complex_Selector* pCurrent = pFirst;

    if (toConvert.isSelector()) pFirst->has_line_feed(toConvert.got_line_feed);
    if (toConvert.isCombinator()) pFirst->has_line_feed(toConvert.got_line_feed);

    for (NodeDeque::iterator childIter = childNodes.begin(), childIterEnd = childNodes.end(); childIter != childIterEnd; childIter++) {

      Node& child = *childIter;

      if (child.isSelector()) {
        pCurrent->tail(child.selector()->clone(ctx));   // JMA - need to clone the selector, because they can end up getting shared across Node collections, and can result in an infinite loop during the call to parentSuperselector()
        // if (child.got_line_feed) pCurrent->has_line_feed(child.got_line_feed);
        pCurrent = pCurrent->tail();
      } else if (child.isCombinator()) {
        pCurrent->combinator(child.combinator());
        if (child.got_line_feed) pCurrent->has_line_feed(child.got_line_feed);

        // if the next node is also a combinator, create another Complex_Selector to hold it so it doesn't replace the current combinator
        if (childIter+1 != childIterEnd) {
          Node& nextNode = *(childIter+1);
          if (nextNode.isCombinator()) {
            pCurrent->tail(SASS_MEMORY_NEW(ctx.mem, Complex_Selector, ParserState("[NODE]"), Complex_Selector::ANCESTOR_OF, NULL, NULL));
            if (nextNode.got_line_feed) pCurrent->tail()->has_line_feed(nextNode.got_line_feed);
            pCurrent = pCurrent->tail();
          }
        }
      } else {
        throw "The node to convert's children must be only combinators or selectors.";
      }
    }

    // Put the dummy Compound_Selector in the first position, for consistency with the rest of libsass
    Compound_Selector* fakeHead = SASS_MEMORY_NEW(ctx.mem, Compound_Selector, ParserState("[NODE]"), 1);
    Parent_Selector* selectorRef = SASS_MEMORY_NEW(ctx.mem, Parent_Selector, ParserState("[NODE]"));
    fakeHead->elements().push_back(selectorRef);
    if (toConvert.got_line_feed) pFirst->has_line_feed(toConvert.got_line_feed);
    // pFirst->has_line_feed(pFirst->has_line_feed() || pFirst->tail()->has_line_feed() || toConvert.got_line_feed);
    pFirst->head(fakeHead);
    return pFirst;
  }
Пример #4
0
  Node Node::createSelector(Complex_Selector* pSelector, Context& ctx) {
    NodeDequePtr null;

    Complex_Selector* pStripped = pSelector->clone(ctx);
    pStripped->tail(NULL);
    pStripped->combinator(Complex_Selector::ANCESTOR_OF);

    Node n(SELECTOR, Complex_Selector::ANCESTOR_OF, pStripped, null /*pCollection*/);
    if (pSelector) n.got_line_feed = pSelector->has_line_feed();
    return n;
  }
Пример #5
0
 Selector* Contextualize::operator()(Complex_Selector* s)
 {
   To_String to_string;
   Complex_Selector* ss = new (ctx.mem) Complex_Selector(*s);
   if (ss->head()) {
     ss->head(static_cast<Compound_Selector*>(s->head()->perform(this)));
   }
   if (ss->tail()) {
     ss->tail(static_cast<Complex_Selector*>(s->tail()->perform(this)));
   }
   if (!ss->head() && ss->combinator() == Complex_Selector::ANCESTOR_OF) {
     return ss->tail();
   }
   else {
     return ss;
   }
 }
Пример #6
0
inline void debug_ast(AST_Node* node, std::string ind, Env* env)
{
  if (node == 0) return;
  if (ind == "") std::cerr << "####################################################################\n";
  if (dynamic_cast<Bubble*>(node)) {
    Bubble* bubble = dynamic_cast<Bubble*>(node);
    std::cerr << ind << "Bubble " << bubble;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " " << bubble->tabs();
    std::cerr << std::endl;
  } else if (dynamic_cast<At_Root_Block*>(node)) {
    At_Root_Block* root_block = dynamic_cast<At_Root_Block*>(node);
    std::cerr << ind << "At_Root_Block " << root_block;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " " << root_block->tabs();
    std::cerr << std::endl;
    debug_ast(root_block->expression(), ind + ":", env);
    debug_ast(root_block->block(), ind + " ", env);
  } else if (dynamic_cast<Selector_List*>(node)) {
    Selector_List* selector = dynamic_cast<Selector_List*>(node);
    std::cerr << ind << "Selector_List " << selector;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " <" << selector->hash() << ">";
    std::cerr << " [@media:" << selector->media_block() << "]";
    std::cerr << (selector->is_optional() ? " [is_optional]": " -");
    std::cerr << (selector->has_parent_ref() ? " [has-parent]": " -");
    std::cerr << (selector->has_line_break() ? " [line-break]": " -");
    std::cerr << (selector->has_line_feed() ? " [line-feed]": " -");
    std::cerr << std::endl;

    for(auto i : selector->elements()) { debug_ast(i, ind + " ", env); }

//  } else if (dynamic_cast<Expression*>(node)) {
//    Expression* expression = dynamic_cast<Expression*>(node);
//    std::cerr << ind << "Expression " << expression << " " << expression->concrete_type() << std::endl;

  } else if (dynamic_cast<Parent_Selector*>(node)) {
    Parent_Selector* selector = dynamic_cast<Parent_Selector*>(node);
    std::cerr << ind << "Parent_Selector " << selector;
//    if (selector->not_selector()) cerr << " [in_declaration]";
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " <" << selector->hash() << ">";
    std::cerr << " <" << prettyprint(selector->pstate().token.ws_before()) << ">" << std::endl;
//    debug_ast(selector->selector(), ind + "->", env);

  } else if (dynamic_cast<Complex_Selector*>(node)) {
    Complex_Selector* selector = dynamic_cast<Complex_Selector*>(node);
    std::cerr << ind << "Complex_Selector " << selector
      << " (" << pstate_source_position(node) << ")"
      << " <" << selector->hash() << ">"
      << " [weight:" << longToHex(selector->specificity()) << "]"
      << " [@media:" << selector->media_block() << "]"
      << (selector->is_optional() ? " [is_optional]": " -")
      << (selector->has_parent_ref() ? " [has parent]": " -")
      << (selector->has_line_feed() ? " [line-feed]": " -")
      << (selector->has_line_break() ? " [line-break]": " -")
      << " -- ";
      std::string del;
      switch (selector->combinator()) {
        case Complex_Selector::PARENT_OF:   del = ">"; break;
        case Complex_Selector::PRECEDES:    del = "~"; break;
        case Complex_Selector::ADJACENT_TO: del = "+"; break;
        case Complex_Selector::ANCESTOR_OF: del = " "; break;
        case Complex_Selector::REFERENCE:   del = "//"; break;
      }
      // if (del = "/") del += selector->reference()->perform(&to_string) + "/";
    std::cerr << " <" << prettyprint(selector->pstate().token.ws_before()) << ">" << std::endl;
    debug_ast(selector->head(), ind + " " /* + "[" + del + "]" */, env);
    if (selector->tail()) {
      debug_ast(selector->tail(), ind + "{" + del + "}", env);
    } else if(del != " ") {
      std::cerr << ind << " |" << del << "| {trailing op}" << std::endl;
    }
    SourcesSet set = selector->sources();
    // debug_sources_set(set, ind + "  @--> ");
  } else if (dynamic_cast<Compound_Selector*>(node)) {
    Compound_Selector* selector = dynamic_cast<Compound_Selector*>(node);
    std::cerr << ind << "Compound_Selector " << selector;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " <" << selector->hash() << ">";
    std::cerr << " [weight:" << longToHex(selector->specificity()) << "]";
    std::cerr << " [@media:" << selector->media_block() << "]";
    std::cerr << (selector->extended() ? " [extended]": " -");
    std::cerr << (selector->is_optional() ? " [is_optional]": " -");
    std::cerr << (selector->has_parent_ref() ? " [has-parent]": " -");
    std::cerr << (selector->has_line_break() ? " [line-break]": " -");
    std::cerr << (selector->has_line_feed() ? " [line-feed]": " -");
    std::cerr << " <" << prettyprint(selector->pstate().token.ws_before()) << ">" << std::endl;
    for(auto i : selector->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<Propset*>(node)) {
    Propset* selector = dynamic_cast<Propset*>(node);
    std::cerr << ind << "Propset " << selector;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " " << selector->tabs() << std::endl;
    if (selector->block()) for(auto i : selector->block()->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<Wrapped_Selector*>(node)) {
    Wrapped_Selector* selector = dynamic_cast<Wrapped_Selector*>(node);
    std::cerr << ind << "Wrapped_Selector " << selector;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " <" << selector->hash() << ">";
    std::cerr << " <<" << selector->ns_name() << ">>";
    std::cerr << (selector->is_optional() ? " [is_optional]": " -");
    std::cerr << (selector->has_parent_ref() ? " [has-parent]": " -");
    std::cerr << (selector->has_line_break() ? " [line-break]": " -");
    std::cerr << (selector->has_line_feed() ? " [line-feed]": " -");
    std::cerr << std::endl;
    debug_ast(selector->selector(), ind + " () ", env);
  } else if (dynamic_cast<Pseudo_Selector*>(node)) {
    Pseudo_Selector* selector = dynamic_cast<Pseudo_Selector*>(node);
    std::cerr << ind << "Pseudo_Selector " << selector;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " <" << selector->hash() << ">";
    std::cerr << " <<" << selector->ns_name() << ">>";
    std::cerr << (selector->is_optional() ? " [is_optional]": " -");
    std::cerr << (selector->has_parent_ref() ? " [has-parent]": " -");
    std::cerr << (selector->has_line_break() ? " [line-break]": " -");
    std::cerr << (selector->has_line_feed() ? " [line-feed]": " -");
    std::cerr << std::endl;
    debug_ast(selector->expression(), ind + " <= ", env);
  } else if (dynamic_cast<Attribute_Selector*>(node)) {
    Attribute_Selector* selector = dynamic_cast<Attribute_Selector*>(node);
    std::cerr << ind << "Attribute_Selector " << selector;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " <" << selector->hash() << ">";
    std::cerr << " <<" << selector->ns_name() << ">>";
    std::cerr << (selector->is_optional() ? " [is_optional]": " -");
    std::cerr << (selector->has_parent_ref() ? " [has-parent]": " -");
    std::cerr << (selector->has_line_break() ? " [line-break]": " -");
    std::cerr << (selector->has_line_feed() ? " [line-feed]": " -");
    std::cerr << std::endl;
    debug_ast(selector->value(), ind + "[" + selector->matcher() + "] ", env);
  } else if (dynamic_cast<Selector_Qualifier*>(node)) {
    Selector_Qualifier* selector = dynamic_cast<Selector_Qualifier*>(node);
    std::cerr << ind << "Selector_Qualifier " << selector;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " <" << selector->hash() << ">";
    std::cerr << " <<" << selector->ns_name() << ">>";
    std::cerr << (selector->is_optional() ? " [is_optional]": " -");
    std::cerr << (selector->has_parent_ref() ? " [has-parent]": " -");
    std::cerr << (selector->has_line_break() ? " [line-break]": " -");
    std::cerr << (selector->has_line_feed() ? " [line-feed]": " -");
    std::cerr << std::endl;
  } else if (dynamic_cast<Type_Selector*>(node)) {
    Type_Selector* selector = dynamic_cast<Type_Selector*>(node);
    std::cerr << ind << "Type_Selector " << selector;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " <" << selector->hash() << ">";
    std::cerr << " <<" << selector->ns_name() << ">>";
    std::cerr << (selector->is_optional() ? " [is_optional]": " -");
    std::cerr << (selector->has_parent_ref() ? " [has-parent]": " -");
    std::cerr << (selector->has_line_break() ? " [line-break]": " -");
    std::cerr << (selector->has_line_feed() ? " [line-feed]": " -");
    std::cerr << " <" << prettyprint(selector->pstate().token.ws_before()) << ">";
    std::cerr << std::endl;
  } else if (dynamic_cast<Selector_Placeholder*>(node)) {

    Selector_Placeholder* selector = dynamic_cast<Selector_Placeholder*>(node);
    std::cerr << ind << "Selector_Placeholder [" << selector->ns_name() << "] " << selector
      << " <" << selector->hash() << ">"
      << " [@media:" << selector->media_block() << "]"
      << (selector->is_optional() ? " [is_optional]": " -")
      << (selector->has_line_break() ? " [line-break]": " -")
      << (selector->has_line_feed() ? " [line-feed]": " -")
    << std::endl;

  } else if (dynamic_cast<Simple_Selector*>(node)) {
    Simple_Selector* selector = dynamic_cast<Simple_Selector*>(node);
    std::cerr << ind << "Simple_Selector " << selector;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << (selector->has_line_break() ? " [line-break]": " -") << (selector->has_line_feed() ? " [line-feed]": " -") << std::endl;

  } else if (dynamic_cast<Selector_Schema*>(node)) {
    Selector_Schema* selector = dynamic_cast<Selector_Schema*>(node);
    std::cerr << ind << "Selector_Schema " << selector;
    std::cerr << " (" << pstate_source_position(node) << ")"
      << (selector->at_root() && selector->at_root() ? " [@ROOT]" : "")
      << " [@media:" << selector->media_block() << "]"
      << (selector->has_line_break() ? " [line-break]": " -")
      << (selector->has_line_feed() ? " [line-feed]": " -")
    << std::endl;

    debug_ast(selector->contents(), ind + " ");
    // for(auto i : selector->elements()) { debug_ast(i, ind + " ", env); }

  } else if (dynamic_cast<Selector*>(node)) {
    Selector* selector = dynamic_cast<Selector*>(node);
    std::cerr << ind << "Selector " << selector;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << (selector->has_line_break() ? " [line-break]": " -")
      << (selector->has_line_feed() ? " [line-feed]": " -")
    << std::endl;

  } else if (dynamic_cast<Media_Query_Expression*>(node)) {
    Media_Query_Expression* block = dynamic_cast<Media_Query_Expression*>(node);
    std::cerr << ind << "Media_Query_Expression " << block;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << (block->is_interpolated() ? " [is_interpolated]": " -")
    << std::endl;
    debug_ast(block->feature(), ind + " feature) ");
    debug_ast(block->value(), ind + " value) ");

  } else if (dynamic_cast<Media_Query*>(node)) {
    Media_Query* block = dynamic_cast<Media_Query*>(node);
    std::cerr << ind << "Media_Query " << block;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << (block->is_negated() ? " [is_negated]": " -")
      << (block->is_restricted() ? " [is_restricted]": " -")
    << std::endl;
    debug_ast(block->media_type(), ind + " ");
    for(auto i : block->elements()) { debug_ast(i, ind + " ", env); }

  } else if (dynamic_cast<Media_Block*>(node)) {
    Media_Block* block = dynamic_cast<Media_Block*>(node);
    std::cerr << ind << "Media_Block " << block;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " " << block->tabs() << std::endl;
    debug_ast(block->media_queries(), ind + " =@ ");
    if (block->block()) for(auto i : block->block()->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<Supports_Block*>(node)) {
    Supports_Block* block = dynamic_cast<Supports_Block*>(node);
    std::cerr << ind << "Supports_Block " << block;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " " << block->tabs() << std::endl;
    debug_ast(block->condition(), ind + " =@ ");
  } else if (dynamic_cast<Supports_Operator*>(node)) {
    Supports_Operator* block = dynamic_cast<Supports_Operator*>(node);
    std::cerr << ind << "Supports_Operator " << block;
    std::cerr << " (" << pstate_source_position(node) << ")"
    << std::endl;
    debug_ast(block->left(), ind + " left) ");
    debug_ast(block->right(), ind + " right) ");
  } else if (dynamic_cast<Supports_Negation*>(node)) {
    Supports_Negation* block = dynamic_cast<Supports_Negation*>(node);
    std::cerr << ind << "Supports_Negation " << block;
    std::cerr << " (" << pstate_source_position(node) << ")"
    << std::endl;
    debug_ast(block->condition(), ind + " condition) ");
  } else if (dynamic_cast<Supports_Declaration*>(node)) {
    Supports_Declaration* block = dynamic_cast<Supports_Declaration*>(node);
    std::cerr << ind << "Supports_Declaration " << block;
    std::cerr << " (" << pstate_source_position(node) << ")"
    << std::endl;
    debug_ast(block->feature(), ind + " feature) ");
    debug_ast(block->value(), ind + " value) ");
  } else if (dynamic_cast<Block*>(node)) {
    Block* root_block = dynamic_cast<Block*>(node);
    std::cerr << ind << "Block " << root_block;
    std::cerr << " (" << pstate_source_position(node) << ")";
    if (root_block->is_root()) std::cerr << " [root]";
    std::cerr << " " << root_block->tabs() << std::endl;
    if (root_block->block()) for(auto i : root_block->block()->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<Warning*>(node)) {
    Warning* block = dynamic_cast<Warning*>(node);
    std::cerr << ind << "Warning " << block;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " " << block->tabs() << std::endl;
  } else if (dynamic_cast<Error*>(node)) {
    Error* block = dynamic_cast<Error*>(node);
    std::cerr << ind << "Error " << block;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " " << block->tabs() << std::endl;
  } else if (dynamic_cast<Debug*>(node)) {
    Debug* block = dynamic_cast<Debug*>(node);
    std::cerr << ind << "Debug " << block;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " " << block->tabs() << std::endl;
  } else if (dynamic_cast<Comment*>(node)) {
    Comment* block = dynamic_cast<Comment*>(node);
    std::cerr << ind << "Comment " << block;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " " << block->tabs() <<
      " <" << prettyprint(block->pstate().token.ws_before()) << ">" << std::endl;
    debug_ast(block->text(), ind + "// ", env);
  } else if (dynamic_cast<If*>(node)) {
    If* block = dynamic_cast<If*>(node);
    std::cerr << ind << "If " << block;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " " << block->tabs() << std::endl;
    debug_ast(block->predicate(), ind + " = ");
    debug_ast(block->block(), ind + " <>");
    debug_ast(block->alternative(), ind + " ><");
  } else if (dynamic_cast<Return*>(node)) {
    Return* block = dynamic_cast<Return*>(node);
    std::cerr << ind << "Return " << block;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " " << block->tabs() << std::endl;
  } else if (dynamic_cast<Extension*>(node)) {
    Extension* block = dynamic_cast<Extension*>(node);
    std::cerr << ind << "Extension " << block;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " " << block->tabs() << std::endl;
    debug_ast(block->selector(), ind + "-> ", env);
  } else if (dynamic_cast<Content*>(node)) {
    Content* block = dynamic_cast<Content*>(node);
    std::cerr << ind << "Content " << block;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " " << block->tabs() << std::endl;
  } else if (dynamic_cast<Import_Stub*>(node)) {
    Import_Stub* block = dynamic_cast<Import_Stub*>(node);
    std::cerr << ind << "Import_Stub " << block;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " " << block->tabs() << std::endl;
  } else if (dynamic_cast<Import*>(node)) {
    Import* block = dynamic_cast<Import*>(node);
    std::cerr << ind << "Import " << block;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " " << block->tabs() << std::endl;
    debug_ast(block->media_queries(), ind + " @ ");
    // std::vector<std::string>         files_;
    for (auto imp : block->urls()) debug_ast(imp, "@ ", env);
  } else if (dynamic_cast<Assignment*>(node)) {
    Assignment* block = dynamic_cast<Assignment*>(node);
    std::cerr << ind << "Assignment " << block;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " <<" << block->variable() << ">> " << block->tabs() << std::endl;
    debug_ast(block->value(), ind + "=", env);
  } else if (dynamic_cast<Declaration*>(node)) {
    Declaration* block = dynamic_cast<Declaration*>(node);
    std::cerr << ind << "Declaration " << block;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " " << block->tabs() << std::endl;
    debug_ast(block->property(), ind + " prop: ", env);
    debug_ast(block->value(), ind + " value: ", env);
  } else if (dynamic_cast<Keyframe_Rule*>(node)) {
    Keyframe_Rule* has_block = dynamic_cast<Keyframe_Rule*>(node);
    std::cerr << ind << "Keyframe_Rule " << has_block;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " " << has_block->tabs() << std::endl;
    if (has_block->selector()) debug_ast(has_block->selector(), ind + "@");
    if (has_block->block()) for(auto i : has_block->block()->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<At_Rule*>(node)) {
    At_Rule* block = dynamic_cast<At_Rule*>(node);
    std::cerr << ind << "At_Rule " << block;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " [" << block->keyword() << "] " << block->tabs() << std::endl;
    debug_ast(block->selector(), ind + "~", env);
    debug_ast(block->value(), ind + "+", env);
    if (block->block()) for(auto i : block->block()->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<Each*>(node)) {
    Each* block = dynamic_cast<Each*>(node);
    std::cerr << ind << "Each " << block;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " " << block->tabs() << std::endl;
    if (block->block()) for(auto i : block->block()->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<For*>(node)) {
    For* block = dynamic_cast<For*>(node);
    std::cerr << ind << "For " << block;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " " << block->tabs() << std::endl;
    if (block->block()) for(auto i : block->block()->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<While*>(node)) {
    While* block = dynamic_cast<While*>(node);
    std::cerr << ind << "While " << block;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " " << block->tabs() << std::endl;
    if (block->block()) for(auto i : block->block()->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<Definition*>(node)) {
    Definition* block = dynamic_cast<Definition*>(node);
    std::cerr << ind << "Definition " << block;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " [name: " << block->name() << "] ";
    std::cerr << " [type: " << (block->type() == Sass::Definition::Type::MIXIN ? "Mixin " : "Function ") << "] ";
    // this seems to lead to segfaults some times?
    // std::cerr << " [signature: " << block->signature() << "] ";
    std::cerr << " [native: " << block->native_function() << "] ";
    std::cerr << " " << block->tabs() << std::endl;
    debug_ast(block->parameters(), ind + " params: ", env);
    if (block->block()) for(auto i : block->block()->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<Mixin_Call*>(node)) {
    Mixin_Call* block = dynamic_cast<Mixin_Call*>(node);
    std::cerr << ind << "Mixin_Call " << block << " " << block->tabs();
    std::cerr << " [" <<  block->name() << "]";
    std::cerr << " [has_content: " << block->has_content() << "] " << std::endl;
    debug_ast(block->arguments(), ind + " args: ");
    if (block->block()) for(auto i : block->block()->elements()) { debug_ast(i, ind + " ", env); }
  } else if (Ruleset* ruleset = dynamic_cast<Ruleset*>(node)) {
    std::cerr << ind << "Ruleset " << ruleset;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " [indent: " << ruleset->tabs() << "]";
    std::cerr << (ruleset->at_root() ? " [@ROOT]" : "");
    std::cerr << (ruleset->is_root() ? " [root]" : "");
    std::cerr << std::endl;
    debug_ast(ruleset->selector(), ind + ">");
    debug_ast(ruleset->block(), ind + " ");
  } else if (dynamic_cast<Block*>(node)) {
    Block* block = dynamic_cast<Block*>(node);
    std::cerr << ind << "Block " << block;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " [indent: " << block->tabs() << "]" << std::endl;
    for(auto i : block->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<Textual*>(node)) {
    Textual* expression = dynamic_cast<Textual*>(node);
    std::cerr << ind << "Textual ";
    if (expression->type() == Textual::NUMBER) std::cerr << " [NUMBER]";
    else if (expression->type() == Textual::PERCENTAGE) std::cerr << " [PERCENTAGE]";
    else if (expression->type() == Textual::DIMENSION) std::cerr << " [DIMENSION]";
    else if (expression->type() == Textual::HEX) std::cerr << " [HEX]";
    std::cerr << expression << " [" << expression->value() << "]";
    std::cerr << " [interpolant: " << expression->is_interpolant() << "] ";
    if (expression->is_delayed()) std::cerr << " [delayed]";
    std::cerr << std::endl;
  } else if (dynamic_cast<Variable*>(node)) {
    Variable* expression = dynamic_cast<Variable*>(node);
    std::cerr << ind << "Variable " << expression;
    std::cerr << " [interpolant: " << expression->is_interpolant() << "] ";
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " [" << expression->name() << "]" << std::endl;
    std::string name(expression->name());
    if (env && env->has(name)) debug_ast(static_cast<Expression*>((*env)[name]), ind + " -> ", env);
  } else if (dynamic_cast<Function_Call_Schema*>(node)) {
    Function_Call_Schema* expression = dynamic_cast<Function_Call_Schema*>(node);
    std::cerr << ind << "Function_Call_Schema " << expression;
    std::cerr << " [interpolant: " << expression->is_interpolant() << "] ";
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << "" << std::endl;
    debug_ast(expression->name(), ind + "name: ", env);
    debug_ast(expression->arguments(), ind + " args: ", env);
  } else if (dynamic_cast<Function_Call*>(node)) {
    Function_Call* expression = dynamic_cast<Function_Call*>(node);
    std::cerr << ind << "Function_Call " << expression;
    std::cerr << " [interpolant: " << expression->is_interpolant() << "] ";
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " [" << expression->name() << "]";
    if (expression->is_delayed()) std::cerr << " [delayed]";
    if (expression->is_interpolant()) std::cerr << " [interpolant]";
    std::cerr << std::endl;
    debug_ast(expression->arguments(), ind + " args: ", env);
  } else if (dynamic_cast<Arguments*>(node)) {
    Arguments* expression = dynamic_cast<Arguments*>(node);
    std::cerr << ind << "Arguments " << expression;
    if (expression->is_delayed()) std::cerr << " [delayed]";
    std::cerr << " (" << pstate_source_position(node) << ")";
    if (expression->has_named_arguments()) std::cerr << " [has_named_arguments]";
    if (expression->has_rest_argument()) std::cerr << " [has_rest_argument]";
    if (expression->has_keyword_argument()) std::cerr << " [has_keyword_argument]";
    std::cerr << std::endl;
    for(auto i : expression->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<Argument*>(node)) {
    Argument* expression = dynamic_cast<Argument*>(node);
    std::cerr << ind << "Argument " << expression;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " [" << expression->value() << "]";
    std::cerr << " [name: " << expression->name() << "] ";
    std::cerr << " [rest: " << expression->is_rest_argument() << "] ";
    std::cerr << " [keyword: " << expression->is_keyword_argument() << "] " << std::endl;
    debug_ast(expression->value(), ind + " value: ", env);
  } else if (dynamic_cast<Parameters*>(node)) {
    Parameters* expression = dynamic_cast<Parameters*>(node);
    std::cerr << ind << "Parameters " << expression;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " [has_optional: " << expression->has_optional_parameters() << "] ";
    std::cerr << " [has_rest: " << expression->has_rest_parameter() << "] ";
    std::cerr << std::endl;
    for(auto i : expression->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<Parameter*>(node)) {
    Parameter* expression = dynamic_cast<Parameter*>(node);
    std::cerr << ind << "Parameter " << expression;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " [name: " << expression->name() << "] ";
    std::cerr << " [default: " << expression->default_value() << "] ";
    std::cerr << " [rest: " << expression->is_rest_parameter() << "] " << std::endl;
  } else if (dynamic_cast<Unary_Expression*>(node)) {
    Unary_Expression* expression = dynamic_cast<Unary_Expression*>(node);
    std::cerr << ind << "Unary_Expression " << expression;
    std::cerr << " [interpolant: " << expression->is_interpolant() << "] ";
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " [" << expression->type() << "]" << std::endl;
    debug_ast(expression->operand(), ind + " operand: ", env);
  } else if (dynamic_cast<Binary_Expression*>(node)) {
    Binary_Expression* expression = dynamic_cast<Binary_Expression*>(node);
    std::cerr << ind << "Binary_Expression " << expression;
    if (expression->is_interpolant()) std::cerr << " [is interpolant] ";
    if (expression->is_left_interpolant()) std::cerr << " [left interpolant] ";
    if (expression->is_right_interpolant()) std::cerr << " [right interpolant] ";
    std::cerr << " [delayed: " << expression->is_delayed() << "] ";
    std::cerr << " [ws_before: " << expression->op().ws_before << "] ";
    std::cerr << " [ws_after: " << expression->op().ws_after << "] ";
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " [" << expression->type_name() << "]" << std::endl;
    debug_ast(expression->left(), ind + " left:  ", env);
    debug_ast(expression->right(), ind + " right: ", env);
  } else if (dynamic_cast<Map*>(node)) {
    Map* expression = dynamic_cast<Map*>(node);
    std::cerr << ind << "Map " << expression;
    std::cerr << " [interpolant: " << expression->is_interpolant() << "] ";
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " [Hashed]" << std::endl;
    for (auto i : expression->elements()) {
      debug_ast(i.first, ind + " key: ");
      debug_ast(i.second, ind + " val: ");
    }
  } else if (dynamic_cast<List*>(node)) {
    List* expression = dynamic_cast<List*>(node);
    std::cerr << ind << "List " << expression;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " (" << expression->length() << ") " <<
      (expression->separator() == SASS_COMMA ? "Comma " : expression->separator() == SASS_HASH ? "Map" : "Space ") <<
      " [delayed: " << expression->is_delayed() << "] " <<
      " [interpolant: " << expression->is_interpolant() << "] " <<
      " [arglist: " << expression->is_arglist() << "] " <<
      " [hash: " << expression->hash() << "] " <<
      std::endl;
    for(auto i : expression->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<Content*>(node)) {
    Content* expression = dynamic_cast<Content*>(node);
    std::cerr << ind << "Content " << expression;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " [Statement]" << std::endl;
  } else if (dynamic_cast<Boolean*>(node)) {
    Boolean* expression = dynamic_cast<Boolean*>(node);
    std::cerr << ind << "Boolean " << expression;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " [interpolant: " << expression->is_interpolant() << "] ";
    std::cerr << " [" << expression->value() << "]" << std::endl;
  } else if (dynamic_cast<Color*>(node)) {
    Color* expression = dynamic_cast<Color*>(node);
    std::cerr << ind << "Color " << expression;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " [interpolant: " << expression->is_interpolant() << "] ";
    std::cerr << " [" << expression->r() << ":"  << expression->g() << ":" << expression->b() << "@" << expression->a() << "]" << std::endl;
  } else if (dynamic_cast<Number*>(node)) {
    Number* expression = dynamic_cast<Number*>(node);
    std::cerr << ind << "Number " << expression;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " [interpolant: " << expression->is_interpolant() << "] ";
    std::cerr << " [" << expression->value() << expression->unit() << "]" <<
      " [hash: " << expression->hash() << "] " <<
      std::endl;
  } else if (dynamic_cast<String_Quoted*>(node)) {
    String_Quoted* expression = dynamic_cast<String_Quoted*>(node);
    std::cerr << ind << "String_Quoted " << expression;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " [" << prettyprint(expression->value()) << "]";
    if (expression->is_delayed()) std::cerr << " [delayed]";
    if (expression->sass_fix_1291()) std::cerr << " [sass_fix_1291]";
    if (expression->is_interpolant()) std::cerr << " [interpolant]";
    if (expression->quote_mark()) std::cerr << " [quote_mark: " << expression->quote_mark() << "]";
    std::cerr << " <" << prettyprint(expression->pstate().token.ws_before()) << ">" << std::endl;
  } else if (dynamic_cast<String_Constant*>(node)) {
    String_Constant* expression = dynamic_cast<String_Constant*>(node);
    std::cerr << ind << "String_Constant " << expression;
    if (expression->concrete_type()) {
      std::cerr << " " << expression->concrete_type();
    }
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " [" << prettyprint(expression->value()) << "]";
    if (expression->is_delayed()) std::cerr << " [delayed]";
    if (expression->sass_fix_1291()) std::cerr << " [sass_fix_1291]";
    if (expression->is_interpolant()) std::cerr << " [interpolant]";
    std::cerr << " <" << prettyprint(expression->pstate().token.ws_before()) << ">" << std::endl;
  } else if (dynamic_cast<String_Schema*>(node)) {
    String_Schema* expression = dynamic_cast<String_Schema*>(node);
    std::cerr << ind << "String_Schema " << expression;
    std::cerr << " " << expression->concrete_type();
    if (expression->is_delayed()) std::cerr << " [delayed]";
    if (expression->is_interpolant()) std::cerr << " [is interpolant]";
    if (expression->has_interpolant()) std::cerr << " [has interpolant]";
    if (expression->is_left_interpolant()) std::cerr << " [left interpolant] ";
    if (expression->is_right_interpolant()) std::cerr << " [right interpolant] ";
    std::cerr << " <" << prettyprint(expression->pstate().token.ws_before()) << ">" << std::endl;
    for(auto i : expression->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<String*>(node)) {
    String* expression = dynamic_cast<String*>(node);
    std::cerr << ind << "String " << expression;
    std::cerr << " " << expression->concrete_type();
    std::cerr << " (" << pstate_source_position(node) << ")";
    if (expression->sass_fix_1291()) std::cerr << " [sass_fix_1291]";
    if (expression->is_interpolant()) std::cerr << " [interpolant]";
    std::cerr << " <" << prettyprint(expression->pstate().token.ws_before()) << ">" << std::endl;
  } else if (dynamic_cast<Expression*>(node)) {
    Expression* expression = dynamic_cast<Expression*>(node);
    std::cerr << ind << "Expression " << expression;
    std::cerr << " (" << pstate_source_position(node) << ")";
    switch (expression->concrete_type()) {
      case Expression::Concrete_Type::NONE: std::cerr << " [NONE]"; break;
      case Expression::Concrete_Type::BOOLEAN: std::cerr << " [BOOLEAN]"; break;
      case Expression::Concrete_Type::NUMBER: std::cerr << " [NUMBER]"; break;
      case Expression::Concrete_Type::COLOR: std::cerr << " [COLOR]"; break;
      case Expression::Concrete_Type::STRING: std::cerr << " [STRING]"; break;
      case Expression::Concrete_Type::LIST: std::cerr << " [LIST]"; break;
      case Expression::Concrete_Type::MAP: std::cerr << " [MAP]"; break;
      case Expression::Concrete_Type::SELECTOR: std::cerr << " [SELECTOR]"; break;
      case Expression::Concrete_Type::NULL_VAL: std::cerr << " [NULL_VAL]"; break;
      case Expression::Concrete_Type::C_WARNING: std::cerr << " [C_WARNING]"; break;
      case Expression::Concrete_Type::C_ERROR: std::cerr << " [C_ERROR]"; break;
      case Expression::Concrete_Type::NUM_TYPES: std::cerr << " [NUM_TYPES]"; break;
    }
    std::cerr << std::endl;
  } else if (dynamic_cast<Has_Block*>(node)) {
    Has_Block* has_block = dynamic_cast<Has_Block*>(node);
    std::cerr << ind << "Has_Block " << has_block;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " " << has_block->tabs() << std::endl;
    if (has_block->block()) for(auto i : has_block->block()->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<Statement*>(node)) {
    Statement* statement = dynamic_cast<Statement*>(node);
    std::cerr << ind << "Statement " << statement;
    std::cerr << " (" << pstate_source_position(node) << ")";
    std::cerr << " " << statement->tabs() << std::endl;
  }

  if (ind == "") std::cerr << "####################################################################\n";
}
Пример #7
0
  bool Complex_Selector::is_superselector_of(Complex_Selector* rhs)
  {
    Complex_Selector* lhs = this;
    To_String to_string;
    // check for selectors with leading or trailing combinators
    if (!lhs->head() || !rhs->head())
    { return false; }
    Complex_Selector* l_innermost = lhs->innermost();
    if (l_innermost->combinator() != Complex_Selector::ANCESTOR_OF && !l_innermost->tail())
    { return false; }
    Complex_Selector* r_innermost = rhs->innermost();
    if (r_innermost->combinator() != Complex_Selector::ANCESTOR_OF && !r_innermost->tail())
    { return false; }
    // more complex (i.e., longer) selectors are always more specific
    size_t l_len = lhs->length(), r_len = rhs->length();
    if (l_len > r_len)
    { return false; }

    if (l_len == 1)
    { return lhs->head()->is_superselector_of(rhs->base()); }

    bool found = false;
    Complex_Selector* marker = rhs;
    for (size_t i = 0, L = rhs->length(); i < L; ++i) {
      if (i == L-1)
      { return false; }
      if (lhs->head()->is_superselector_of(marker->head()))
      { found = true; break; }
      marker = marker->tail();
    }
    if (!found)
    { return false; }

    /* 
      Hmm, I hope I have the logic right:

      if lhs has a combinator:
        if !(marker has a combinator) return false
        if !(lhs.combinator == '~' ? marker.combinator != '>' : lhs.combinator == marker.combinator) return false
        return lhs.tail-without-innermost.is_superselector_of(marker.tail-without-innermost)
      else if marker has a combinator:
        if !(marker.combinator == ">") return false
        return lhs.tail.is_superselector_of(marker.tail)
      else
        return lhs.tail.is_superselector_of(marker.tail)
    */
    if (lhs->combinator() != Complex_Selector::ANCESTOR_OF)
    {
      if (marker->combinator() == Complex_Selector::ANCESTOR_OF)
      { return false; }
      if (!(lhs->combinator() == Complex_Selector::PRECEDES ? marker->combinator() != Complex_Selector::PARENT_OF : lhs->combinator() == marker->combinator()))
      { return false; }
      return lhs->tail()->is_superselector_of(marker->tail());
    }
    else if (marker->combinator() != Complex_Selector::ANCESTOR_OF)
    {
      if (marker->combinator() != Complex_Selector::PARENT_OF)
      { return false; }
      return lhs->tail()->is_superselector_of(marker->tail());
    }
    else
    {
      return lhs->tail()->is_superselector_of(marker->tail());
    }
    // catch-all
    return false;
  }
Пример #8
0
inline void debug_ast(AST_Node* node, string ind = "", Env* env = 0)
{
  if (node == 0) return;
  if (ind == "") cerr << "####################################################################\n";
  if (dynamic_cast<Bubble*>(node)) {
    Bubble* bubble = dynamic_cast<Bubble*>(node);
    cerr << ind << "Bubble " << bubble << " " << bubble->tabs() << endl;
  } else if (dynamic_cast<At_Root_Block*>(node)) {
    At_Root_Block* root_block = dynamic_cast<At_Root_Block*>(node);
    cerr << ind << "At_Root_Block " << root_block << " " << root_block->tabs() << endl;
    if (root_block->block()) for(auto i : root_block->block()->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<Selector_List*>(node)) {
    Selector_List* selector = dynamic_cast<Selector_List*>(node);

    cerr << ind << "Selector_List " << selector
      << " [block:" << selector->last_block() << "]"
      << (selector->last_block() && selector->last_block()->is_root() ? " [root]" : "")
      << " [@media:" << selector->media_block() << "]"
      << (selector->is_optional() ? " [is_optional]": " -")
      << (selector->has_line_break() ? " [line-break]": " -")
      << (selector->has_line_feed() ? " [line-feed]": " -")
    << endl;

    for(auto i : selector->elements()) { debug_ast(i, ind + " ", env); }

//  } else if (dynamic_cast<Expression*>(node)) {
//    Expression* expression = dynamic_cast<Expression*>(node);
//    cerr << ind << "Expression " << expression << " " << expression->concrete_type() << endl;

  } else if (dynamic_cast<Parent_Selector*>(node)) {
    Parent_Selector* selector = dynamic_cast<Parent_Selector*>(node);
    cerr << ind << "Parent_Selector " << selector;
    cerr << " <" << prettyprint(selector->pstate().token.ws_before()) << ">" << endl;
    debug_ast(selector->selector(), ind + "->", env);

  } else if (dynamic_cast<Complex_Selector*>(node)) {
    Complex_Selector* selector = dynamic_cast<Complex_Selector*>(node);
    cerr << ind << "Complex_Selector " << selector
      << " [block:" << selector->last_block() << "]"
      << " [weight:" << longToHex(selector->specificity()) << "]"
      << (selector->last_block() && selector->last_block()->is_root() ? " [root]" : "")
      << " [@media:" << selector->media_block() << "]"
      << (selector->is_optional() ? " [is_optional]": " -")
      << (selector->has_line_break() ? " [line-break]": " -")
      << (selector->has_line_feed() ? " [line-feed]": " -") << " -> ";
      switch (selector->combinator()) {
        case Complex_Selector::PARENT_OF:   cerr << "{>}"; break;
        case Complex_Selector::PRECEDES:    cerr << "{~}"; break;
        case Complex_Selector::ADJACENT_TO: cerr << "{+}"; break;
        case Complex_Selector::ANCESTOR_OF: cerr << "{ }"; break;
      }
    cerr << " <" << prettyprint(selector->pstate().token.ws_before()) << ">" << endl;
    debug_ast(selector->head(), ind + " ", env);
    debug_ast(selector->tail(), ind + "-", env);
  } else if (dynamic_cast<Compound_Selector*>(node)) {
    Compound_Selector* selector = dynamic_cast<Compound_Selector*>(node);
    cerr << ind << "Compound_Selector " << selector;
    cerr << " [block:" << selector->last_block() << "]";
    cerr << " [weight:" << longToHex(selector->specificity()) << "]";
    // cerr << (selector->last_block() && selector->last_block()->is_root() ? " [root]" : "");
    cerr << " [@media:" << selector->media_block() << "]";
    cerr << (selector->is_optional() ? " [is_optional]": " -");
    cerr << (selector->has_line_break() ? " [line-break]": " -");
    cerr << (selector->has_line_feed() ? " [line-feed]": " -");
    cerr << " <" << prettyprint(selector->pstate().token.ws_before()) << ">" << endl;
    for(auto i : selector->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<Propset*>(node)) {
    Propset* selector = dynamic_cast<Propset*>(node);
    cerr << ind << "Propset " << selector << " " << selector->tabs() << endl;
    if (selector->block()) for(auto i : selector->block()->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<Wrapped_Selector*>(node)) {
    Wrapped_Selector* selector = dynamic_cast<Wrapped_Selector*>(node);
    cerr << ind << "Wrapped_Selector " << selector << " <<" << selector->name() << ">>" << (selector->has_line_break() ? " [line-break]": " -") << (selector->has_line_feed() ? " [line-feed]": " -") << endl;
    debug_ast(selector->selector(), ind + " () ", env);
  } else if (dynamic_cast<Pseudo_Selector*>(node)) {
    Pseudo_Selector* selector = dynamic_cast<Pseudo_Selector*>(node);
    cerr << ind << "Pseudo_Selector " << selector << " <<" << selector->name() << ">>" << (selector->has_line_break() ? " [line-break]": " -") << (selector->has_line_feed() ? " [line-feed]": " -") << endl;
    debug_ast(selector->expression(), ind + " <= ", env);
  } else if (dynamic_cast<Attribute_Selector*>(node)) {
    Attribute_Selector* selector = dynamic_cast<Attribute_Selector*>(node);
    cerr << ind << "Attribute_Selector " << selector << " <<" << selector->name() << ">>" << (selector->has_line_break() ? " [line-break]": " -") << (selector->has_line_feed() ? " [line-feed]": " -") << endl;
    debug_ast(selector->value(), ind + "[" + selector->matcher() + "] ", env);
  } else if (dynamic_cast<Selector_Qualifier*>(node)) {
    Selector_Qualifier* selector = dynamic_cast<Selector_Qualifier*>(node);
    cerr << ind << "Selector_Qualifier " << selector << " <<" << selector->name() << ">>" << (selector->has_line_break() ? " [line-break]": " -") << (selector->has_line_feed() ? " [line-feed]": " -") << endl;
  } else if (dynamic_cast<Type_Selector*>(node)) {
    Type_Selector* selector = dynamic_cast<Type_Selector*>(node);
    cerr << ind << "Type_Selector " << selector << " <<" << selector->name() << ">>" << (selector->has_line_break() ? " [line-break]": " -") <<
      " <" << prettyprint(selector->pstate().token.ws_before()) << ">" << endl;
  } else if (dynamic_cast<Selector_Placeholder*>(node)) {

    Selector_Placeholder* selector = dynamic_cast<Selector_Placeholder*>(node);
    cerr << ind << "Selector_Placeholder [" << selector->name() << "] " << selector
      << " [block:" << selector->last_block() << "]"
      << " [@media:" << selector->media_block() << "]"
      << (selector->is_optional() ? " [is_optional]": " -")
      << (selector->has_line_break() ? " [line-break]": " -")
      << (selector->has_line_feed() ? " [line-feed]": " -")
    << endl;

  } else if (dynamic_cast<Selector_Reference*>(node)) {
    Selector_Reference* selector = dynamic_cast<Selector_Reference*>(node);
    cerr << ind << "Selector_Reference " << selector << " @ref " << selector->selector() << endl;
  } else if (dynamic_cast<Simple_Selector*>(node)) {
    Simple_Selector* selector = dynamic_cast<Simple_Selector*>(node);
    cerr << ind << "Simple_Selector " << selector << (selector->has_line_break() ? " [line-break]": " -") << (selector->has_line_feed() ? " [line-feed]": " -") << endl;

  } else if (dynamic_cast<Selector_Schema*>(node)) {
    Selector_Schema* selector = dynamic_cast<Selector_Schema*>(node);
    cerr << ind << "Selector_Schema " << selector
      << " [block:" << selector->last_block() << "]"
      << (selector->last_block() && selector->last_block()->is_root() ? " [root]" : "")
      << " [@media:" << selector->media_block() << "]"
      << (selector->has_line_break() ? " [line-break]": " -")
      << (selector->has_line_feed() ? " [line-feed]": " -")
    << endl;

    debug_ast(selector->contents(), ind + " ");
    // for(auto i : selector->elements()) { debug_ast(i, ind + " ", env); }

  } else if (dynamic_cast<Selector*>(node)) {
    Selector* selector = dynamic_cast<Selector*>(node);
    cerr << ind << "Selector " << selector
      << (selector->has_line_break() ? " [line-break]": " -")
      << (selector->has_line_feed() ? " [line-feed]": " -")
    << endl;

  } else if (dynamic_cast<Media_Query_Expression*>(node)) {
    Media_Query_Expression* block = dynamic_cast<Media_Query_Expression*>(node);
    cerr << ind << "Media_Query_Expression " << block
      << (block->is_interpolated() ? " [is_interpolated]": " -")
    << endl;
    debug_ast(block->feature(), ind + " f) ");
    debug_ast(block->value(), ind + " v) ");

  } else if (dynamic_cast<Media_Query*>(node)) {
    Media_Query* block = dynamic_cast<Media_Query*>(node);
    cerr << ind << "Media_Query " << block
      << (block->is_negated() ? " [is_negated]": " -")
      << (block->is_restricted() ? " [is_restricted]": " -")
    << endl;
    debug_ast(block->media_type(), ind + " ");
    for(auto i : block->elements()) { debug_ast(i, ind + " ", env); }

  } else if (dynamic_cast<Media_Block*>(node)) {
    Media_Block* block = dynamic_cast<Media_Block*>(node);
    cerr << ind << "Media_Block " << block << " " << block->tabs() << endl;
    debug_ast(block->media_queries(), ind + " =@ ");
    debug_ast(block->selector(), ind + " -@ ");
    if (block->block()) for(auto i : block->block()->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<Feature_Block*>(node)) {
    Feature_Block* block = dynamic_cast<Feature_Block*>(node);
    cerr << ind << "Feature_Block " << block << " " << block->tabs() << endl;
    if (block->block()) for(auto i : block->block()->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<Block*>(node)) {
    Block* root_block = dynamic_cast<Block*>(node);
    cerr << ind << "Block " << root_block << " " << root_block->tabs() << endl;
    if (root_block->block()) for(auto i : root_block->block()->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<Warning*>(node)) {
    Warning* block = dynamic_cast<Warning*>(node);
    cerr << ind << "Warning " << block << " " << block->tabs() << endl;
  } else if (dynamic_cast<Error*>(node)) {
    Error* block = dynamic_cast<Error*>(node);
    cerr << ind << "Error " << block << " " << block->tabs() << endl;
  } else if (dynamic_cast<Debug*>(node)) {
    Debug* block = dynamic_cast<Debug*>(node);
    cerr << ind << "Debug " << block << " " << block->tabs() << endl;
  } else if (dynamic_cast<Comment*>(node)) {
    Comment* block = dynamic_cast<Comment*>(node);
    cerr << ind << "Comment " << block << " " << block->tabs() <<
      " <" << prettyprint(block->pstate().token.ws_before()) << ">" << endl;
    debug_ast(block->text(), ind + "// ", env);
  } else if (dynamic_cast<If*>(node)) {
    If* block = dynamic_cast<If*>(node);
    cerr << ind << "If " << block << " " << block->tabs() << endl;
  } else if (dynamic_cast<Return*>(node)) {
    Return* block = dynamic_cast<Return*>(node);
    cerr << ind << "Return " << block << " " << block->tabs() << endl;
  } else if (dynamic_cast<Extension*>(node)) {
    Extension* block = dynamic_cast<Extension*>(node);
    cerr << ind << "Extension " << block << " " << block->tabs() << endl;
    debug_ast(block->selector(), ind + "-> ", env);
  } else if (dynamic_cast<Content*>(node)) {
    Content* block = dynamic_cast<Content*>(node);
    cerr << ind << "Content " << block << " " << block->tabs() << endl;
  } else if (dynamic_cast<Import_Stub*>(node)) {
    Import_Stub* block = dynamic_cast<Import_Stub*>(node);
    cerr << ind << "Import_Stub " << block << " " << block->tabs() << endl;
  } else if (dynamic_cast<Import*>(node)) {
    Import* block = dynamic_cast<Import*>(node);
    cerr << ind << "Import " << block << " " << block->tabs() << endl;
    // vector<string>         files_;
    for (auto imp : block->urls()) debug_ast(imp, "@ ", env);
  } else if (dynamic_cast<Assignment*>(node)) {
    Assignment* block = dynamic_cast<Assignment*>(node);
    cerr << ind << "Assignment " << block << " <<" << block->variable() << ">> " << block->tabs() << endl;
    debug_ast(block->value(), ind + "=", env);
  } else if (dynamic_cast<Declaration*>(node)) {
    Declaration* block = dynamic_cast<Declaration*>(node);
    cerr << ind << "Declaration " << block << " " << block->tabs() << endl;
    debug_ast(block->property(), ind + " prop: ", env);
    debug_ast(block->value(), ind + " value: ", env);
  } else if (dynamic_cast<Keyframe_Rule*>(node)) {
    Keyframe_Rule* has_block = dynamic_cast<Keyframe_Rule*>(node);
    cerr << ind << "Keyframe_Rule " << has_block << " " << has_block->tabs() << endl;
    if (has_block->selector()) debug_ast(has_block->selector(), ind + "@");
    if (has_block->block()) for(auto i : has_block->block()->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<At_Rule*>(node)) {
    At_Rule* block = dynamic_cast<At_Rule*>(node);
    cerr << ind << "At_Rule " << block << " [" << block->keyword() << "] " << block->tabs() << endl;
    debug_ast(block->value(), ind + "+", env);
    debug_ast(block->selector(), ind + "~", env);
    if (block->block()) for(auto i : block->block()->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<Each*>(node)) {
    Each* block = dynamic_cast<Each*>(node);
    cerr << ind << "Each " << block << " " << block->tabs() << endl;
    if (block->block()) for(auto i : block->block()->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<For*>(node)) {
    For* block = dynamic_cast<For*>(node);
    cerr << ind << "For " << block << " " << block->tabs() << endl;
    if (block->block()) for(auto i : block->block()->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<While*>(node)) {
    While* block = dynamic_cast<While*>(node);
    cerr << ind << "While " << block << " " << block->tabs() << endl;
    if (block->block()) for(auto i : block->block()->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<Definition*>(node)) {
    Definition* block = dynamic_cast<Definition*>(node);
    cerr << ind << "Definition " << block << " " << block->tabs() << endl;
    if (block->block()) for(auto i : block->block()->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<Mixin_Call*>(node)) {
    Mixin_Call* block = dynamic_cast<Mixin_Call*>(node);
    cerr << ind << "Mixin_Call " << block << " " << block->tabs() << endl;
    if (block->block()) for(auto i : block->block()->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<Ruleset*>(node)) {
    Ruleset* ruleset = dynamic_cast<Ruleset*>(node);
    cerr << ind << "Ruleset " << ruleset << " " << ruleset->tabs() << endl;
    debug_ast(ruleset->selector(), ind + " ");
    if (ruleset->block()) for(auto i : ruleset->block()->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<Block*>(node)) {
    Block* block = dynamic_cast<Block*>(node);
    cerr << ind << "Block " << block << " " << block->tabs() << endl;
    for(auto i : block->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<Textual*>(node)) {
    Textual* expression = dynamic_cast<Textual*>(node);
    cerr << ind << "Textual ";
    if (expression->type() == Textual::NUMBER) cerr << " [NUMBER]";
    else if (expression->type() == Textual::PERCENTAGE) cerr << " [PERCENTAGE]";
    else if (expression->type() == Textual::DIMENSION) cerr << " [DIMENSION]";
    else if (expression->type() == Textual::HEX) cerr << " [HEX]";
    cerr << expression << " [" << expression->value() << "]" << endl;
  } else if (dynamic_cast<Variable*>(node)) {
    Variable* expression = dynamic_cast<Variable*>(node);
    cerr << ind << "Variable " << expression << " [" << expression->name() << "]" << endl;
    string name(expression->name());
    if (env && env->has(name)) debug_ast(static_cast<Expression*>((*env)[name]), ind + " -> ", env);
  } else if (dynamic_cast<Function_Call_Schema*>(node)) {
    Function_Call_Schema* expression = dynamic_cast<Function_Call_Schema*>(node);
    cerr << ind << "Function_Call_Schema " << expression << "]" << endl;
    debug_ast(expression->name(), ind + "name: ", env);
    debug_ast(expression->arguments(), ind + " args: ", env);
  } else if (dynamic_cast<Function_Call*>(node)) {
    Function_Call* expression = dynamic_cast<Function_Call*>(node);
    cerr << ind << "Function_Call " << expression << " [" << expression->name() << "]" << endl;
    debug_ast(expression->arguments(), ind + " args: ", env);
  } else if (dynamic_cast<Arguments*>(node)) {
    Arguments* expression = dynamic_cast<Arguments*>(node);
    cerr << ind << "Arguments " << expression << "]" << endl;
    for(auto i : expression->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<Argument*>(node)) {
    Argument* expression = dynamic_cast<Argument*>(node);
    cerr << ind << "Argument " << expression << " [" << expression->value() << "]" << endl;
    debug_ast(expression->value(), ind + " value: ", env);
  } else if (dynamic_cast<Unary_Expression*>(node)) {
    Unary_Expression* expression = dynamic_cast<Unary_Expression*>(node);
    cerr << ind << "Unary_Expression " << expression << " [" << expression->type() << "]" << endl;
    debug_ast(expression->operand(), ind + " operand: ", env);
  } else if (dynamic_cast<Binary_Expression*>(node)) {
    Binary_Expression* expression = dynamic_cast<Binary_Expression*>(node);
    cerr << ind << "Binary_Expression " << expression << " [" << expression->type() << "]" << endl;
    debug_ast(expression->left(), ind + " left:  ", env);
    debug_ast(expression->right(), ind + " right: ", env);
  } else if (dynamic_cast<Map*>(node)) {
    Map* expression = dynamic_cast<Map*>(node);
    cerr << ind << "Map " << expression << " [Hashed]" << endl;
  } else if (dynamic_cast<List*>(node)) {
    List* expression = dynamic_cast<List*>(node);
    cerr << ind << "List " << expression << " (" << expression->length() << ") " <<
      (expression->separator() == Sass::List::Separator::COMMA ? "Comma " : "Space ") <<
      " [delayed: " << expression->is_delayed() << "] " <<
      " [interpolant: " << expression->is_interpolant() << "] " <<
      endl;
    for(auto i : expression->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<Content*>(node)) {
    Content* expression = dynamic_cast<Content*>(node);
    cerr << ind << "Content " << expression << " [Statement]" << endl;
  } else if (dynamic_cast<Boolean*>(node)) {
    Boolean* expression = dynamic_cast<Boolean*>(node);
    cerr << ind << "Boolean " << expression << " [" << expression->value() << "]" << endl;
  } else if (dynamic_cast<Color*>(node)) {
    Color* expression = dynamic_cast<Color*>(node);
    cerr << ind << "Color " << expression << " [" << expression->r() << ":"  << expression->g() << ":" << expression->b() << "@" << expression->a() << "]" << endl;
  } else if (dynamic_cast<Number*>(node)) {
    Number* expression = dynamic_cast<Number*>(node);
    cerr << ind << "Number " << expression << " [" << expression->value() << expression->unit() << "]" << endl;
  } else if (dynamic_cast<String_Quoted*>(node)) {
    String_Quoted* expression = dynamic_cast<String_Quoted*>(node);
    cerr << ind << "String_Quoted : " << expression << " [" << prettyprint(expression->value()) << "]" <<
      (expression->is_delayed() ? " {delayed}" : "") <<
      (expression->sass_fix_1291() ? " {sass_fix_1291}" : "") <<
      (expression->quote_mark() != 0 ? " {qm:" + string(1, expression->quote_mark()) + "}" : "") <<
      " <" << prettyprint(expression->pstate().token.ws_before()) << ">" << endl;
  } else if (dynamic_cast<String_Constant*>(node)) {
    String_Constant* expression = dynamic_cast<String_Constant*>(node);
    cerr << ind << "String_Constant : " << expression << " [" << prettyprint(expression->value()) << "]" <<
      (expression->is_delayed() ? " {delayed}" : "") <<
      (expression->sass_fix_1291() ? " {sass_fix_1291}" : "") <<
      " <" << prettyprint(expression->pstate().token.ws_before()) << ">" << endl;
  } else if (dynamic_cast<String_Schema*>(node)) {
    String_Schema* expression = dynamic_cast<String_Schema*>(node);
    cerr << ind << "String_Schema " << expression << " " << expression->concrete_type() <<
      (expression->has_interpolants() ? " {has_interpolants}" : "") <<
      endl;
    for(auto i : expression->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<String*>(node)) {
    String* expression = dynamic_cast<String*>(node);
    cerr << ind << "String " << expression << expression->concrete_type() <<
      " " << (expression->sass_fix_1291() ? "{sass_fix_1291}" : "") <<
      endl;
  } else if (dynamic_cast<Expression*>(node)) {
    Expression* expression = dynamic_cast<Expression*>(node);
    cerr << ind << "Expression " << expression;
    switch (expression->concrete_type()) {
      case Expression::Concrete_Type::NONE: cerr << " [NONE]"; break;
      case Expression::Concrete_Type::BOOLEAN: cerr << " [BOOLEAN]"; break;
      case Expression::Concrete_Type::NUMBER: cerr << " [NUMBER]"; break;
      case Expression::Concrete_Type::COLOR: cerr << " [COLOR]"; break;
      case Expression::Concrete_Type::STRING: cerr << " [STRING]"; break;
      case Expression::Concrete_Type::LIST: cerr << " [LIST]"; break;
      case Expression::Concrete_Type::MAP: cerr << " [MAP]"; break;
      case Expression::Concrete_Type::SELECTOR: cerr << " [SELECTOR]"; break;
      case Expression::Concrete_Type::NULL_VAL: cerr << " [NULL_VAL]"; break;
      case Expression::Concrete_Type::NUM_TYPES: cerr << " [NUM_TYPES]"; break;
    }
    cerr << endl;
  } else if (dynamic_cast<Has_Block*>(node)) {
    Has_Block* has_block = dynamic_cast<Has_Block*>(node);
    cerr << ind << "Has_Block " << has_block << " " << has_block->tabs() << endl;
    if (has_block->block()) for(auto i : has_block->block()->elements()) { debug_ast(i, ind + " ", env); }
  } else if (dynamic_cast<Statement*>(node)) {
    Statement* statement = dynamic_cast<Statement*>(node);
    cerr << ind << "Statement " << statement << " " << statement->tabs() << endl;
  }

  if (ind == "") cerr << "####################################################################\n";
}