type inference for closures in groovy1.8
[idea/community.git] / plugins / groovy / src / org / jetbrains / plugins / groovy / lang / resolve / ClosureMemberContributor.java
1 /*
2  * Copyright 2000-2010 JetBrains s.r.o.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package org.jetbrains.plugins.groovy.lang.resolve;
17
18 import com.intellij.psi.PsiType;
19 import com.intellij.psi.ResolveState;
20 import com.intellij.psi.scope.PsiScopeProcessor;
21 import org.jetbrains.annotations.NotNull;
22 import org.jetbrains.plugins.groovy.lang.psi.GroovyPsiElement;
23 import org.jetbrains.plugins.groovy.lang.psi.api.statements.blocks.GrClosableBlock;
24 import org.jetbrains.plugins.groovy.lang.psi.impl.GrClosureType;
25 import org.jetbrains.plugins.groovy.lang.resolve.processors.ResolverProcessor;
26
27 /**
28  * @author Sergey Evdokimov
29  */
30 public abstract class ClosureMemberContributor extends NonCodeMembersContributor {
31   @Override
32   public final void processDynamicElements(@NotNull PsiType qualifierType,
33                                      PsiScopeProcessor processor,
34                                      GroovyPsiElement place,
35                                      ResolveState state) {
36     if (!(qualifierType instanceof GrClosureType)) return;
37
38     final GroovyPsiElement context = state.get(ResolverProcessor.RESOLVE_CONTEXT);
39     if (!(context instanceof GrClosableBlock)) return;
40
41     processMembers((GrClosableBlock)context, processor, place, state);
42   }
43
44   protected abstract void processMembers(@NotNull GrClosableBlock closure,
45                                          PsiScopeProcessor processor,
46                                          GroovyPsiElement place,
47                                          ResolveState state);
48 }