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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.

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/*
 * Copyright 2011 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.parsing.parser.trees;

import com.google.javascript.jscomp.parsing.parser.IdentifierToken;
import com.google.javascript.jscomp.parsing.parser.TokenType;
import com.google.javascript.jscomp.parsing.parser.util.SourceRange;

import javax.annotation.Nullable;

public class FunctionDeclarationTree extends ParseTree {

  public static enum Kind {
    DECLARATION,
    EXPRESSION,
    MEMBER,
    ARROW
  }

  public final IdentifierToken name;
  public final GenericTypeListTree generics;
  public final FormalParameterListTree formalParameterList;
  @Nullable public final ParseTree returnType;
  public final ParseTree functionBody;
  public final boolean isStatic;
  public final boolean isGenerator;
  public final boolean isOptional;
  @Nullable public final TokenType access;
  public final Kind kind;

  public FunctionDeclarationTree(SourceRange location, IdentifierToken name,
      GenericTypeListTree generics, boolean isStatic,
      boolean isGenerator, boolean isOptional, @Nullable TokenType access, Kind kind,
      FormalParameterListTree formalParameterList, @Nullable ParseTree returnType,
      ParseTree functionBody) {
    super(ParseTreeType.FUNCTION_DECLARATION, location);

    this.name = name;
    this.generics = generics;
    this.isStatic = isStatic;
    this.isGenerator = isGenerator;
    this.isOptional = isOptional;
    this.access = access;
    this.kind = kind;
    this.formalParameterList = formalParameterList;
    this.returnType = returnType;
    this.functionBody = functionBody;
  }
}