src/third_party/closure_compiler/runner/src/org/chromium/closure/compiler/ChromeCodingConvention.java

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 package org.chromium.closure.compiler;
   6
   7 import com.google.common.collect.ImmutableList;
   8 import com.google.common.collect.ImmutableSet;
   9 import com.google.common.collect.Sets;
  10 import com.google.javascript.jscomp.ClosureCodingConvention.AssertInstanceofSpec;
  11 import com.google.javascript.jscomp.CodingConvention;
  12 import com.google.javascript.jscomp.CodingConventions;
  13 import com.google.javascript.rhino.Node;
  14 import com.google.javascript.rhino.jstype.FunctionType;
  15 import com.google.javascript.rhino.jstype.ObjectType;
  16
  17 import java.util.Collection;
  18 import java.util.Set;
  19
  20 public class ChromeCodingConvention extends CodingConventions.Proxy {
  21
  22   private final Set<String> indirectlyDeclaredProperties;
  23
  24   public ChromeCodingConvention() {
  25     this(CodingConventions.getDefault());
  26   }
  27
  28   public ChromeCodingConvention(CodingConvention wrapped) {
  29     super(wrapped);
  30
  31     Set<String> props = Sets.newHashSet("instance_", "getInstance");
  32     props.addAll(wrapped.getIndirectlyDeclaredProperties());
  33     indirectlyDeclaredProperties = ImmutableSet.copyOf(props);
  34   }
  35
  36   @Override
  37   public String getSingletonGetterClassName(Node callNode) {
  38     Node callArg = callNode.getFirstChild();
  39
  40     if (!callArg.matchesQualifiedName("cr.addSingletonGetter") ||
  41         callNode.getChildCount() != 2) {
  42       return super.getSingletonGetterClassName(callNode);
  43     }
  44
  45     return callArg.getNext().getQualifiedName();
  46   }
  47
  48   @Override
  49   public void applySingletonGetter(FunctionType functionType,
  50       FunctionType getterType, ObjectType objectType) {
  51     super.applySingletonGetter(functionType, getterType, objectType);
  52     functionType.defineDeclaredProperty("getInstance", getterType,
  53         functionType.getSource());
  54     functionType.defineDeclaredProperty("instance_", objectType,
  55         functionType.getSource());
  56   }
  57
  58   @Override
  59   public Collection<String> getIndirectlyDeclaredProperties() {
  60     return indirectlyDeclaredProperties;
  61   }
  62
  63   @Override
  64   public Collection<AssertionFunctionSpec> getAssertionFunctions() {
  65     return ImmutableList.of(
  66       new AssertionFunctionSpec("assert"),
  67       new AssertInstanceofSpec("cr.ui.decorate")
  68     );
  69   }
  70 }