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Closure Compiler is a JavaScript optimizing compiler. It parses your JavaScript, analyzes it, removes dead code and rewrites and minimizes what's left. It also checks syntax, variable references, and types, and warns about common JavaScript pitfalls. It is used in many of Google's JavaScript apps, including Gmail, Google Web Search, Google Maps, and Google Docs. This binary checks for style issues such as incorrect or missing JSDoc usage, and missing goog.require() statements. It does not do more advanced checks such as typechecking.

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/*
 * Copyright 2009 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.annotations.VisibleForTesting;
import java.util.Map;
import java.util.Set;

/**
 * Compilation results
 */
public class Result {
  public final boolean success;
  public final JSError[] errors;
  public final JSError[] warnings;

  public final VariableMap variableMap;
  public final VariableMap propertyMap;
  public final VariableMap namedAnonFunctionMap;
  public final VariableMap stringMap;
  public final FunctionInformationMap functionInformationMap;
  public final SourceMap sourceMap;
  public final Map cssNames;
  public final String externExport;
  public final String idGeneratorMap;
  public final Set transpiledFiles;

  Result(JSError[] errors, JSError[] warnings,
         VariableMap variableMap, VariableMap propertyMap,
         VariableMap namedAnonFunctionMap,
         VariableMap stringMap,
         FunctionInformationMap functionInformationMap,
         SourceMap sourceMap, String externExport,
         Map cssNames, String idGeneratorMap,
         Set transpiledFiles) {
    this.success = errors.length == 0;
    this.errors  = errors;
    this.warnings = warnings;
    this.variableMap = variableMap;
    this.propertyMap = propertyMap;
    this.namedAnonFunctionMap = namedAnonFunctionMap;
    this.stringMap = stringMap;
    this.functionInformationMap = functionInformationMap;
    this.sourceMap = sourceMap;
    this.externExport = externExport;
    this.cssNames = cssNames;
    this.idGeneratorMap = idGeneratorMap;
    this.transpiledFiles = transpiledFiles;
  }

  @VisibleForTesting
  public Result(JSError[] errors, JSError[] warnings,
                VariableMap variableMap, VariableMap propertyMap,
                VariableMap namedAnonFunctionMap,
                FunctionInformationMap functionInformationMap,
                SourceMap sourceMap, String externExport) {
    this(errors, warnings, variableMap, propertyMap,
         namedAnonFunctionMap, null, functionInformationMap, sourceMap,
         externExport, null, null, null);
  }
}