auto-indenting Backspace

2026-09-27 10:03:11 +07:00 · 2014-06-11 12:58:48 +04:00
parent 40a2fcd673
commit a6f877ac3b
41 changed files with 362 additions and 24 deletions
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2010 JetBrains s.r.o.
+ * Copyright 2000-2014 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.
@@ -21,12 +21,10 @@ import com.intellij.openapi.extensions.ExtensionPointName;
 import com.intellij.openapi.extensions.Extensions;
 import com.intellij.openapi.project.Project;
 import com.intellij.psi.PsiFile;
-import com.intellij.util.ArrayUtil;
 import com.intellij.util.containers.HashSet;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;

-import java.lang.reflect.Array;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Set;
@@ -225,6 +223,10 @@ public abstract class LanguageCodeStyleSettingsProvider {
    return fieldCollector.getCollectedFields();
  }

+  public boolean isIndentBasedLanguageSemantics() {
+    return false;
+  }
+
  private final class SupportedFieldCollector implements CodeStyleSettingsCustomizable {
    private final Set<String> myCollectedFields = new HashSet<String>();
    private SettingsType myCurrSettingsType;
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <form xmlns="http://www.intellij.com/uidesigner/form/" version="1" bind-to-class="com.intellij.application.options.editor.EditorSmartKeysConfigurable">
-  <grid id="27dc6" binding="myRootPanel" layout-manager="GridLayoutManager" row-count="11" column-count="2" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="0">
+  <grid id="27dc6" binding="myRootPanel" layout-manager="GridLayoutManager" row-count="12" column-count="2" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="0">
    <margin top="0" left="0" bottom="0" right="0"/>
    <constraints>
      <xy x="20" y="20" width="500" height="400"/>
@@ -10,7 +10,7 @@
    <children>
      <vspacer id="a9cd">
        <constraints>
-          <grid row="10" column="0" row-span="1" col-span="1" vsize-policy="6" hsize-policy="1" anchor="0" fill="2" indent="0" use-parent-layout="false"/>
+          <grid row="11" column="0" row-span="1" col-span="1" vsize-policy="6" hsize-policy="1" anchor="0" fill="2" indent="0" use-parent-layout="false"/>
        </constraints>
      </vspacer>
      <component id="18e81" class="javax.swing.JCheckBox" binding="myCbSmartHome">
@@ -33,7 +33,7 @@
      </component>
      <component id="67fc" class="javax.swing.JCheckBox" binding="myCbInsertPairBracket">
        <constraints>
-          <grid row="2" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+          <grid row="3" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
        </constraints>
        <properties>
          <selected value="true"/>
@@ -42,7 +42,7 @@
      </component>
      <component id="7263c" class="javax.swing.JCheckBox" binding="myCbInsertPairQuote">
        <constraints>
-          <grid row="3" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+          <grid row="4" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
        </constraints>
        <properties>
          <selected value="true"/>
@@ -51,7 +51,7 @@
      </component>
      <component id="278d0" class="javax.swing.JCheckBox" binding="myCbCamelWords">
        <constraints>
-          <grid row="5" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+          <grid row="6" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
        </constraints>
        <properties>
          <text resource-bundle="messages/ApplicationBundle" key="checkbox.use.camelhumps.words"/>
@@ -60,7 +60,7 @@
      <grid id="6ebf" layout-manager="GridLayoutManager" row-count="1" column-count="3" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
        <margin top="0" left="0" bottom="5" right="5"/>
        <constraints>
-          <grid row="8" column="0" row-span="1" col-span="2" vsize-policy="0" hsize-policy="3" anchor="1" fill="3" indent="0" use-parent-layout="false"/>
+          <grid row="9" column="0" row-span="1" col-span="2" vsize-policy="0" hsize-policy="3" anchor="1" fill="3" indent="0" use-parent-layout="false"/>
        </constraints>
        <properties/>
        <border type="none"/>
@@ -88,7 +88,7 @@
      </grid>
      <grid id="b08a8" binding="myAddonPanel" layout-manager="GridBagLayout">
        <constraints>
-          <grid row="9" column="0" row-span="1" col-span="1" vsize-policy="3" hsize-policy="3" anchor="8" fill="2" indent="0" use-parent-layout="false"/>
+          <grid row="10" column="0" row-span="1" col-span="1" vsize-policy="3" hsize-policy="3" anchor="8" fill="2" indent="0" use-parent-layout="false"/>
        </constraints>
        <properties/>
        <border type="none"/>
@@ -97,7 +97,7 @@
      <grid id="5344e" layout-manager="GridLayoutManager" row-count="3" column-count="1" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
        <margin top="0" left="0" bottom="0" right="0"/>
        <constraints>
-          <grid row="7" column="0" row-span="1" col-span="1" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
+          <grid row="8" column="0" row-span="1" col-span="1" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
        </constraints>
        <properties/>
        <clientProperties>
@@ -135,26 +135,34 @@
      </grid>
      <hspacer id="6cc57">
        <constraints>
-          <grid row="7" column="1" row-span="1" col-span="1" vsize-policy="1" hsize-policy="6" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
+          <grid row="8" column="1" row-span="1" col-span="1" vsize-policy="1" hsize-policy="6" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
        </constraints>
      </hspacer>
-      <component id="158ea" class="javax.swing.JCheckBox" binding="myCbSurroundSelectionOnTyping" default-binding="true">
-        <constraints>
-          <grid row="6" column="0" row-span="1" col-span="2" vsize-policy="0" hsize-policy="3" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
-        </constraints>
-        <properties>
-          <text value="Surround selection on typing quote or brace"/>
-        </properties>
-      </component>
      <component id="a64de" class="javax.swing.JCheckBox" binding="myCbReformatBlockOnTypingRBrace">
        <constraints>
-          <grid row="4" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+          <grid row="5" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
        </constraints>
        <properties>
          <selected value="true"/>
          <text resource-bundle="messages/ApplicationBundle" key="checkbox.reformat.on.typing.rbrace"/>
        </properties>
      </component>
+      <component id="158ea" class="javax.swing.JCheckBox" binding="myCbSurroundSelectionOnTyping" default-binding="true">
+        <constraints>
+          <grid row="7" column="0" row-span="1" col-span="2" vsize-policy="0" hsize-policy="3" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+        </constraints>
+        <properties>
+          <text value="Surround selection on typing quote or brace"/>
+        </properties>
+      </component>
+      <component id="87366" class="javax.swing.JCheckBox" binding="myCbIndentingBackspace">
+        <constraints>
+          <grid row="2" column="0" row-span="1" col-span="2" vsize-policy="0" hsize-policy="3" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+        </constraints>
+        <properties>
+          <text resource-bundle="messages/ApplicationBundle" key="checkbox.indenting.backspace"/>
+        </properties>
+      </component>
    </children>
  </grid>
 </form>
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2009 JetBrains s.r.o.
+ * Copyright 2000-2014 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.
@@ -63,6 +63,7 @@ public class EditorSmartKeysConfigurable extends CompositeConfigurable<UnnamedCo
  private JCheckBox myCbInsertJavadocStubOnEnter;
  private JCheckBox myCbSurroundSelectionOnTyping;
  private JCheckBox myCbReformatBlockOnTypingRBrace;
+  private JCheckBox myCbIndentingBackspace;
  private boolean myAddonsInitialized = false;

  private static final String NO_REFORMAT = ApplicationBundle.message("combobox.paste.reformat.none");
@@ -160,6 +161,8 @@ public class EditorSmartKeysConfigurable extends CompositeConfigurable<UnnamedCo

    myCbSurroundSelectionOnTyping.setSelected(codeInsightSettings.SURROUND_SELECTION_ON_QUOTE_TYPED);

+    myCbIndentingBackspace.setSelected(codeInsightSettings.INDENTING_BACKSPACE);
+
    super.reset();
  }

@@ -179,6 +182,7 @@ public class EditorSmartKeysConfigurable extends CompositeConfigurable<UnnamedCo
    codeInsightSettings.SURROUND_SELECTION_ON_QUOTE_TYPED = myCbSurroundSelectionOnTyping.isSelected();
    editorSettings.setCamelWords(myCbCamelWords.isSelected());
    codeInsightSettings.REFORMAT_ON_PASTE = getReformatPastedBlockValue();
+    codeInsightSettings.INDENTING_BACKSPACE = myCbIndentingBackspace.isSelected();

    super.apply();
  }
@@ -204,6 +208,8 @@ public class EditorSmartKeysConfigurable extends CompositeConfigurable<UnnamedCo

    isModified |= isModified(myCbSurroundSelectionOnTyping, codeInsightSettings.SURROUND_SELECTION_ON_QUOTE_TYPED);

+    isModified |= isModified(myCbIndentingBackspace, codeInsightSettings.INDENTING_BACKSPACE);
+
    return isModified;

  }
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2012 JetBrains s.r.o.
+ * Copyright 2000-2014 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.
@@ -100,6 +100,8 @@ public class CodeInsightSettings implements PersistentStateComponent<Element>, C

  public boolean SHOW_FULL_SIGNATURES_IN_PARAMETER_INFO = false;

+  public boolean INDENTING_BACKSPACE = false;
+
  public boolean SMART_INDENT_ON_ENTER = true;
  public boolean INSERT_BRACE_ON_ENTER = true;
  public boolean INSERT_SCRIPTLET_END_ON_ENTER = true;
@@ -0,0 +1,134 @@
+/*
+ * Copyright 2000-2014 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.codeInsight.editorActions;
+
+import com.intellij.codeInsight.CodeInsightSettings;
+import com.intellij.codeStyle.CodeStyleFacade;
+import com.intellij.openapi.diagnostic.Logger;
+import com.intellij.openapi.editor.Document;
+import com.intellij.openapi.editor.Editor;
+import com.intellij.openapi.editor.LogicalPosition;
+import com.intellij.openapi.fileEditor.FileDocumentManager;
+import com.intellij.openapi.fileTypes.FileType;
+import com.intellij.openapi.vfs.VirtualFile;
+import com.intellij.psi.PsiFile;
+import com.intellij.psi.codeStyle.LanguageCodeStyleSettingsProvider;
+import com.intellij.util.text.CharArrayUtil;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Makes Backspace action delete all whitespace till next valid indent position
+ */
+public class IndentingBackspaceHandler extends BackspaceHandlerDelegate {
+  private static final Logger LOG = Logger.getInstance(IndentingBackspaceHandler.class);
+
+  @Override
+  public void beforeCharDeleted(char c, PsiFile file, Editor editor) {
+  }
+
+  @Override
+  public boolean charDeleted(char c, PsiFile file, Editor editor) {
+    if (!CodeInsightSettings.getInstance().INDENTING_BACKSPACE || " \n\t".indexOf(c) == -1) {
+      return false;
+    }
+    LanguageCodeStyleSettingsProvider codeStyleSettingsProvider = LanguageCodeStyleSettingsProvider.forLanguage(file.getLanguage());
+    if (codeStyleSettingsProvider != null && codeStyleSettingsProvider.isIndentBasedLanguageSemantics()) {
+      return false;
+    }
+
+    Document document = editor.getDocument();
+
+    int offset = CharArrayUtil.shiftForward(document.getCharsSequence(), editor.getCaretModel().getOffset(), " \t");
+    int beforeWhitespaceOffset = CharArrayUtil.shiftBackward(document.getCharsSequence(), offset - 1, " \t") + 1;
+    LogicalPosition logicalPosition = editor.offsetToLogicalPosition(offset);
+    int lineStartOffset = document.getLineStartOffset(logicalPosition.line);
+    if (lineStartOffset < beforeWhitespaceOffset) {
+      if (c == '\n' && beforeWhitespaceOffset < offset) {
+        document.deleteString(beforeWhitespaceOffset, offset);
+        return true;
+      }
+      else {
+        return false;
+      }
+    }
+
+    CodeStyleFacade codeStyleFacade = CodeStyleFacade.getInstance(editor.getProject());
+    String indent = codeStyleFacade.getLineIndent(document, lineStartOffset);
+    if (indent == null) {
+      return false;
+    }
+
+    int tabSize = getTabSize(codeStyleFacade, document);
+    int targetColumn = getWidth(indent, tabSize);
+
+    if (logicalPosition.column == targetColumn) {
+      return false;
+    }
+
+    if (c == '\n' || logicalPosition.column > targetColumn) {
+      smartReplace(document, lineStartOffset, offset, indent);
+      return true;
+    }
+
+    if (logicalPosition.line == 0) {
+      return false;
+    }
+
+    int prevLineStartOffset = document.getLineStartOffset(logicalPosition.line - 1);
+    int prevLineEndOffset = document.getLineEndOffset(logicalPosition.line - 1);
+    int targetOffset = CharArrayUtil.shiftBackward(document.getCharsSequence(), prevLineEndOffset - 1, " \t") + 1;
+
+    if (prevLineStartOffset < targetOffset) {
+      document.deleteString(targetOffset, offset);
+    }
+    else {
+      smartReplace(document, prevLineStartOffset, offset, indent);
+    }
+    return true;
+  }
+
+  private static void smartReplace(Document document, int from, int to, String indent) {
+    CharSequence text = document.getCharsSequence();
+    int prefixLength = 0;
+    while ((prefixLength + from) < to && prefixLength < indent.length() && text.charAt(prefixLength + from) == indent.charAt(prefixLength)) {
+      prefixLength++;
+    }
+    document.replaceString(from + prefixLength, to, indent.substring(prefixLength));
+  }
+
+  private static int getTabSize(@NotNull CodeStyleFacade codeStyleFacade, @NotNull Document document) {
+    VirtualFile file = FileDocumentManager.getInstance().getFile(document);
+    FileType fileType = file == null ? null : file.getFileType();
+    return codeStyleFacade.getTabSize(fileType);
+  }
+
+  private static int getWidth(@NotNull String indent, int tabSize) {
+    int width = 0;
+    for (int i = 0; i < indent.length(); i++) {
+      char c = indent.charAt(i);
+      switch (c) {
+        case '\t':
+          width = tabSize * (width / tabSize + 1);
+          break;
+        default:
+          LOG.error("Unexpected whitespace character: " + ((int)c));
+        case ' ':
+          width++;
+      }
+    }
+    return width;
+  }
+}
@@ -0,0 +1,3 @@
+class Foo {
+    <caret>int field;
+}
@@ -0,0 +1,4 @@
+class Foo {
+
+  <caret>int field;
+}
@@ -0,0 +1,4 @@
+class Foo {
+    <caret>
+  int field;
+}
@@ -0,0 +1,4 @@
+class Foo {
+      <caret>
+  int field;
+}
@@ -0,0 +1,3 @@
+class Foo {<caret>
+  int field;
+}
@@ -0,0 +1,4 @@
+class Foo {
+    <caret>
+  int field;
+}
@@ -0,0 +1,3 @@
+class Foo {<caret>
+  int field;
+}
@@ -0,0 +1,4 @@
+class Foo {
+ <caret>
+  int field;
+}
@@ -0,0 +1,3 @@
+class Foo {
+    <caret>int field;
+}
@@ -0,0 +1,3 @@
+class Foo {
+      <caret> int field;
+}
@@ -0,0 +1,3 @@
+class Foo {
+ <caret>   int field;
+}
@@ -0,0 +1,3 @@
+class Foo {
+  <caret>     int field;
+}
@@ -0,0 +1,3 @@
+class Foo {
+  <caret>  int field;
+}
@@ -0,0 +1,4 @@
+class Foo {
+
+  <caret>  int field;
+}
@@ -0,0 +1,3 @@
+class Foo {
+<caret>    int field;
+}
@@ -0,0 +1,4 @@
+class Foo {
+
+<caret>    int field;
+}
@@ -0,0 +1,4 @@
+class Foo {
+
+  int fi<caret>ld;
+}
@@ -0,0 +1,4 @@
+class Foo {
+
+  int fie<caret>ld;
+}
@@ -0,0 +1,4 @@
+class Foo {
+
+  int <caret>field;
+}
@@ -0,0 +1,4 @@
+class Foo {
+
+  int  <caret>field;
+}
@@ -0,0 +1,3 @@
+class Foo {
+  int field;
+}  <caret>
@@ -0,0 +1,3 @@
+class Foo {
+  int field;
+}   <caret>
@@ -0,0 +1,4 @@
+class Foo {
+
+    <caret>int field;
+}
@@ -0,0 +1,5 @@
+class Foo {
+
+
+    <caret>int field;
+}
@@ -0,0 +1,2 @@
+line1
+<caret>line2
@@ -0,0 +1,2 @@
+line1
+ <caret>line2
@@ -0,0 +1,4 @@
+class Foo {
+
+  <caret>
+}
@@ -0,0 +1,4 @@
+class Foo {
+
+  <selection>int field;<caret></selection>
+}
@@ -0,0 +1,3 @@
+class Foo {<caret>
+  int field;
+}
@@ -0,0 +1,4 @@
+class Foo {
+<caret>
+  int field;
+}
@@ -0,0 +1,4 @@
+<caret>class Foo {
+
+  int field;
+}
@@ -0,0 +1,4 @@
+<caret>class Foo {
+
+  int field;
+}
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2000-2014 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.codeInsight.editorActions;
+
+import com.intellij.codeInsight.CodeInsightSettings;
+import com.intellij.openapi.application.Result;
+import com.intellij.openapi.command.WriteCommandAction;
+import com.intellij.testFramework.FileBasedTestCaseHelper;
+import com.intellij.testFramework.LightPlatformCodeInsightTestCase;
+import com.intellij.testFramework.TestDataPath;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@SuppressWarnings("JUnit4AnnotatedMethodInJUnit3TestCase")
+@RunWith(com.intellij.testFramework.Parameterized.class)
+@TestDataPath("/testData/../../../platform/lang-impl/testData/editor/indentingBackspace/")
+public class IndentingBackspaceHandlerTest extends LightPlatformCodeInsightTestCase implements FileBasedTestCaseHelper {
+  private boolean mySavedConfigurationState;
+
+  @Before
+  public void enableIndentingBackspace() {
+    mySavedConfigurationState = CodeInsightSettings.getInstance().INDENTING_BACKSPACE;
+    CodeInsightSettings.getInstance().INDENTING_BACKSPACE = true;
+  }
+
+  @After
+  public void restoreSettings() {
+    CodeInsightSettings.getInstance().INDENTING_BACKSPACE = mySavedConfigurationState;
+  }
+
+  @Test
+  public void testAction() {
+    new WriteCommandAction<Void>(null) {
+      @Override
+      protected void run(@NotNull Result<Void> result) throws Throwable {
+        configureByFile(myFileSuffix);
+        backspace();
+        checkResultByFile(myFileSuffix.replace(".", "-after."));
+      }
+    }.execute();
+  }
+
+  @Nullable
+  @Override
+  public String getFileSuffix(String fileName) {
+    return fileName.contains("-after.") ? null : fileName;
+  }
+}
@@ -407,6 +407,7 @@ checkbox.smart.indent=Smart indent
 label.smart.enter=Smart Enter:
 checkbox.smart.end.on.blank.line=End (on blank line)
 checkbox.smart.home=Home
+checkbox.indenting.backspace=Backspace smart indent
 group.error.highlighting=Error highlighting
 editbox.autoreparse.delay.ms=Autoreparse delay (ms):
 editbox.error.stripe.mark.min.height.pixels=Error stripe mark min height (pixels):
@@ -594,6 +594,8 @@
                          id="EnterBetweenBracesHandler"/>
    <enterHandlerDelegate implementation="com.intellij.codeInsight.editorActions.enter.EnterAfterJavadocTagHandler"/>

+    <backspaceHandlerDelegate implementation="com.intellij.codeInsight.editorActions.IndentingBackspaceHandler" />
+
    <codeInsight.linkHandler prefix="#inspection/" handlerClass="com.intellij.codeInsight.hint.InspectionDescriptionLinkHandler"/>
    <codeInsight.linkHandler prefix="#navigation/" handlerClass="com.intellij.codeInsight.hint.NavigationLinkHandler"/>

@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2013 JetBrains s.r.o.
+ * Copyright 2000-2014 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.
@@ -123,6 +123,11 @@ public class PyLanguageCodeStyleSettingsProvider extends LanguageCodeStyleSettin
    return PlatformUtils.isPyCharm() ? DisplayPriority.KEY_LANGUAGE_SETTINGS : DisplayPriority.LANGUAGE_SETTINGS;
  }

+  @Override
+  public boolean isIndentBasedLanguageSemantics() {
+    return true;
+  }
+
  @SuppressWarnings("FieldCanBeLocal")
  private static String SPACING_SETTINGS_PREVIEW = "def settings_preview(argument, key=value):\n" +
                                                   "    dict = {1:'a', 2:'b', 3:'c'}\n" +