WEB-5568 Expand CoffeeScript Formatter Options to Match Other Languages

Respect 'relative to parent' indent flag during child code style attributes processing

platform/lang-impl/src/com/intellij/formatting/AbstractBlockWrapper.java

@@ -341,6 +341,10 @@ public abstract class AbstractBlockWrapper {
     if (childIndent == null) childIndent = (IndentImpl)Indent.getContinuationWithoutFirstIndent(indentOption.USE_RELATIVE_INDENTS);
 
     IndentData indent = getIndent(indentOption, index, childIndent);
+    if (childIndent.isRelativeToDirectParent() && myParent != null) {
+      return new IndentData(indent.getIndentSpaces() + CoreFormatterUtil.getOffsetBefore(CoreFormatterUtil.getFirstLeaf(myParent)),
+                            indent.getSpaces());
+    }
     if (myParent == null || (myFlags & CAN_USE_FIRST_CHILD_INDENT_AS_BLOCK_INDENT) != 0 && getWhiteSpace().containsLineFeeds()) {
       return indent.add(getWhiteSpace());
     }

platform/lang-impl/src/com/intellij/formatting/CoreFormatterUtil.java

@@ -250,6 +250,15 @@ public class CoreFormatterUtil {
     if (indent.getType() == Indent.Type.NONE) return new IndentData(0);
     if (indent.getType() == Indent.Type.SPACES) return new IndentData(0, indent.getSpaces());
     return new IndentData(options.INDENT_SIZE);
+  }
 
+  @NotNull
+  public static LeafBlockWrapper getFirstLeaf(@NotNull AbstractBlockWrapper block) {
+    if (block instanceof LeafBlockWrapper) {
+      return (LeafBlockWrapper)block;
+    }
+    else {
+      return getFirstLeaf(((CompositeBlockWrapper)block).getChildren().get(0));
+    }
   }
 }