[WIP] [DNM] Backport dart sass parser 11

Author: mgreter

src/ast_selectors.cpp

@@ -84,21 +84,6 @@ namespace Sass {
     return has_ns_ && ns_ == "*";
   }
 
-  bool SimpleSelector::is_empty_ns() const
-  {
-    return !has_ns_ || ns_ == "";
-  }
-
-  bool SimpleSelector::has_empty_ns() const
-  {
-    return has_ns_ && ns_ == "";
-  }
-
-  bool SimpleSelector::has_qualified_ns() const
-  {
-    return has_ns_ && ns_ != "" && ns_ != "*";
-  }
-
   // name query functions
   bool SimpleSelector::is_universal() const
   {

src/ast_selectors.hpp

@@ -89,9 +89,6 @@ namespace Sass {
     bool is_ns_eq(const SimpleSelector& r) const;
     // namespace query functions
     bool is_universal_ns() const;
-    bool is_empty_ns() const;
-    bool has_empty_ns() const;
-    bool has_qualified_ns() const;
     // name query functions
     bool is_universal() const;
     virtual bool has_placeholder();

src/emitter.cpp

@@ -22,9 +22,6 @@ namespace Sass {
     scheduled_crutch(0),
     scheduled_mapping(0),
     in_custom_property(false),
-    in_comment(false),
-    in_wrapped(false),
-    in_media_block(false),
     in_declaration(false),
     separators(),
     in_space_array(false),
@@ -136,23 +133,12 @@ namespace Sass {
   // append some text or token to the buffer
   void Emitter::append_string(const std::string& text)
   {
-
     // write space/lf
     flush_schedules();
-
-    if (in_comment) {
-      std::string out = Util::normalize_newlines(text);
-      if (output_style() == COMPACT) {
-        out = comment_to_compact_string(out);
-      }
-      wbuf.smap.append(Offset(out));
-      wbuf.buffer += std::move(out);
-    } else {
-      // add to buffer
-      wbuf.buffer += text;
-      // account for data in source-maps
-      wbuf.smap.append(Offset(text));
-    }
+    // add to buffer
+    wbuf.buffer += text;
+    // account for data in source-maps
+    wbuf.smap.append(Offset(text));
   }
 
   // append some white-space only text

src/emitter.hpp

@@ -46,12 +46,6 @@ namespace Sass {
     public:
       // output strings different in custom css properties
       bool in_custom_property;
-      // output strings different in comments
-      bool in_comment;
-      // selector list does not get linefeeds
-      bool in_wrapped;
-      // lists always get a space after delimiter
-      bool in_media_block;
       // nested list must not have parentheses
       bool in_declaration;
       // nested lists need parentheses