[comments formatting] minor, move class

platform/lang-impl/src/com/intellij/formatting/blocks/CStyleComment.kt

@@ -15,23 +15,14 @@
  */
 package com.intellij.formatting.blocks
 
-import com.intellij.formatting.*
+import com.intellij.formatting.Block
+import com.intellij.formatting.Indent
+import com.intellij.formatting.Spacing
 import com.intellij.lang.ASTNode
 import com.intellij.openapi.util.TextRange
-import com.intellij.psi.TokenType
 import com.intellij.psi.formatter.common.AbstractBlock
 
 
-fun ASTNode.prev(): ASTNode? {
-  var prev = treePrev
-  while (prev != null && prev.elementType == TokenType.WHITE_SPACE) {
-    prev = prev.treePrev
-  }
-  if (prev != null) return prev
-  return if (treeParent != null) treeParent.prev() else null
-}
-
-
 class CStyleCommentBlock(comment: ASTNode, private val indent: Indent?): AbstractBlock(comment, null, null) {
 
   private val lines by lazy { lineBlocks() }
@@ -93,43 +84,6 @@ class CStyleCommentBlock(comment: ASTNode, private val indent: Indent?): Abstrac
 private class LineInfo(val text: String, val textRange: TextRange)
 
 
-class TextLineBlock(
-    val text: String,
-    private val textRange: TextRange,
-    private val alignment: Alignment?,
-    private val indent: Indent?,
-    val spacing: Spacing?
-) : Block {
-
-  override fun getTextRange(): TextRange {
-    return textRange
-  }
-
-  override fun getSubBlocks(): List<Block> = emptyList()
-
-  override fun getWrap() = null
-
-  override fun getIndent() = indent
-
-  override fun getAlignment() = alignment
-
-  override fun getSpacing(child1: Block?, child2: Block) = spacing
-
-  override fun getChildAttributes(newChildIndex: Int): ChildAttributes {
-    throw UnsupportedOperationException("Should not be called")
-  }
-
-  override fun isIncomplete() = false
-
-  override fun isLeaf() = true
-
-  override fun toString(): String {
-    return "TextLineBlock(text='$text', textRange=$textRange)"
-  }
-
-}
-
-
 fun <T> List<T>.split(predicate: (T) -> Boolean): List<List<T>> {
   if (indices.isEmpty()) return listOf()
   val result = mutableListOf<List<T>>()

platform/lang-impl/src/com/intellij/formatting/blocks/FormatterTreeUtil.kt

@@ -0,0 +1,28 @@
+/*
+ * Copyright 2000-2017 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.intellij.formatting.blocks
+
+import com.intellij.lang.ASTNode
+import com.intellij.psi.TokenType
+
+fun ASTNode.prev(): ASTNode? {
+  var prev = treePrev
+  while (prev != null && prev.elementType == TokenType.WHITE_SPACE) {
+    prev = prev.treePrev
+  }
+  if (prev != null) return prev
+  return if (treeParent != null) treeParent.prev() else null
+}

platform/lang-impl/src/com/intellij/formatting/blocks/TextLineBlock.kt

@@ -0,0 +1,55 @@
+/*
+ * Copyright 2000-2017 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.intellij.formatting.blocks
+
+import com.intellij.formatting.*
+import com.intellij.openapi.util.TextRange
+
+class TextLineBlock(
+  val text: String,
+  private val textRange: TextRange,
+  private val alignment: Alignment?,
+  private val indent: Indent?,
+  val spacing: Spacing?
+) : Block {
+
+  override fun getTextRange(): TextRange {
+    return textRange
+  }
+
+  override fun getSubBlocks(): List<Block> = emptyList()
+
+  override fun getWrap() = null
+
+  override fun getIndent() = indent
+
+  override fun getAlignment() = alignment
+
+  override fun getSpacing(child1: Block?, child2: Block) = spacing
+
+  override fun getChildAttributes(newChildIndex: Int): ChildAttributes {
+    throw UnsupportedOperationException("Should not be called")
+  }
+
+  override fun isIncomplete() = false
+
+  override fun isLeaf() = true
+
+  override fun toString(): String {
+    return "TextLineBlock(text='$text', textRange=$textRange)"
+  }
+
+}