/*
 * Copyright 2015 The Closure Compiler Authors.
 *
 * 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.google.javascript.jscomp;

import com.google.common.collect.ImmutableList;
import com.google.javascript.jscomp.NodeTraversal.Callback;
import com.google.javascript.jscomp.lint.CheckDuplicateCase;
import com.google.javascript.jscomp.lint.CheckEmptyStatements;
import com.google.javascript.jscomp.lint.CheckEnums;
import com.google.javascript.jscomp.lint.CheckInterfaces;
import com.google.javascript.jscomp.lint.CheckJSDocStyle;
import com.google.javascript.jscomp.lint.CheckMissingSemicolon;
import com.google.javascript.jscomp.lint.CheckPrimitiveAsObject;
import com.google.javascript.jscomp.lint.CheckPrototypeProperties;
import com.google.javascript.jscomp.lint.CheckRequiresAndProvidesSorted;
import com.google.javascript.jscomp.lint.CheckUnusedLabels;
import com.google.javascript.jscomp.lint.CheckUselessBlocks;

import java.util.List;

/**
 * A PassConfig for the standalone linter, which runs on a single file at a time. This runs a
 * similar set of checks to what you would get when running the compiler with the lintChecks
 * DiagnosticGroup enabled, but some of the lint checks depend on type information, which is not
 * available when looking at a single file, so those are omitted here.
 */
class LintPassConfig extends PassConfig.PassConfigDelegate {
  LintPassConfig(CompilerOptions options) {
    super(new DefaultPassConfig(options));
  }

  @Override protected List<PassFactory> getChecks() {
    return ImmutableList.of(
        earlyLintChecks,
        closureRewriteClass,
        lateLintChecks);
  }

  @Override protected List<PassFactory> getOptimizations() {
    return ImmutableList.of();
  }

  private final PassFactory earlyLintChecks =
      new PassFactory("earlyLintChecks", true) {
        @Override
        protected CompilerPass create(AbstractCompiler compiler) {
          return new CombinedCompilerPass(
              compiler,
              ImmutableList.<Callback>of(
                  new CheckDuplicateCase(compiler),
                  new CheckEmptyStatements(compiler),
                  new CheckEnums(compiler),
                  new CheckJSDocStyle(compiler),
                  new CheckJSDoc(compiler),
                  new CheckMissingSemicolon(compiler),
                  new CheckMissingSuper(compiler),
                  new CheckPrimitiveAsObject(compiler),
                  new CheckRequiresAndProvidesSorted(compiler),
                  new CheckRequiresForConstructors(
                      compiler, CheckRequiresForConstructors.Mode.SINGLE_FILE),
                  new CheckUnusedLabels(compiler),
                  new CheckUselessBlocks(compiler),
                  new ClosureCheckModule(compiler),
                  new Es6SuperCheck(compiler)));
        }
      };

  private final PassFactory closureRewriteClass =
      new PassFactory("closureRewriteClass", true) {
        @Override
        protected HotSwapCompilerPass create(AbstractCompiler compiler) {
          return new ClosureRewriteClass(compiler);
        }
      };

  private final PassFactory lateLintChecks =
      new PassFactory("lateLintChecks", true) {
        @Override
        protected CompilerPass create(AbstractCompiler compiler) {
          return new CombinedCompilerPass(
              compiler,
              ImmutableList.<Callback>of(
                  new CheckInterfaces(compiler),
                  new CheckPrototypeProperties(compiler)));
        }
      };
}

@@ -1436,17 +1436,16 @@
 Blocks;%0A
-%0A
 import j
@@ -2083,24 +2083,40 @@
 tChecks,
-%0A       
+ variableReferenceCheck,
  closure
@@ -2128,24 +2128,16 @@
 teClass,
-%0A       
  lateLin
@@ -3354,32 +3354,301 @@
     %7D%0A      %7D;%0A%0A
+  private final PassFactory variableReferenceCheck =%0A      new PassFactory(%22variableReferenceCheck%22, true) %7B%0A        @Override%0A        protected CompilerPass create(AbstractCompiler compiler) %7B%0A          return new VariableReferenceCheck(compiler);%0A        %7D%0A      %7D;%0A%0A
   private final 

Enable the unused-local check in the linter.