01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: *
17: * $Header:$
18: */
19: package org.apache.beehive.netui.compiler.grammar;
20:
21: import org.apache.beehive.netui.compiler.AnnotationGrammar;
22: import org.apache.beehive.netui.compiler.Diagnostics;
23: import org.apache.beehive.netui.compiler.RuntimeVersionChecker;
24: import org.apache.beehive.netui.compiler.CompilerUtils;
25: import org.apache.beehive.netui.compiler.FatalCompileTimeException;
26: import org.apache.beehive.netui.compiler.typesystem.env.CoreAnnotationProcessorEnv;
27: import org.apache.beehive.netui.compiler.typesystem.declaration.AnnotationInstance;
28: import org.apache.beehive.netui.compiler.typesystem.declaration.MemberDeclaration;
29: import org.apache.beehive.netui.compiler.typesystem.declaration.TypeDeclaration;
30:
31: public class SharedFlowRefGrammar extends AnnotationGrammar {
32: private static final String[][] REQUIRED_ATTRS = { { NAME_ATTR },
33: { TYPE_ATTR } };
34:
35: public SharedFlowRefGrammar(CoreAnnotationProcessorEnv env,
36: Diagnostics diags, RuntimeVersionChecker rvc) {
37: super (env, diags, null, rvc);
38:
39: // NAME_ATTR does not need a custom type
40: addMemberType(TYPE_ATTR, new TypeNameType(
41: SHARED_FLOW_BASE_CLASS, false, null, this ));
42: }
43:
44: protected boolean onBeginCheck(AnnotationInstance annotation,
45: AnnotationInstance[] parentAnnotations,
46: MemberDeclaration classMember)
47: throws FatalCompileTimeException {
48: assert classMember instanceof TypeDeclaration : classMember
49: .getClass().getName(); // enforced in Jpf.java
50:
51: if (!CompilerUtils.isAssignableFrom(JPF_BASE_CLASS,
52: (TypeDeclaration) classMember, getEnv())) {
53: addError(annotation, "error.annotation-invalid-base-class",
54: SHARED_FLOW_REF_TAG_NAME, JPF_BASE_CLASS);
55: return false;
56: }
57:
58: return super .onBeginCheck(annotation, parentAnnotations,
59: classMember);
60: }
61:
62: public String[][] getRequiredAttrs() {
63: return REQUIRED_ATTRS;
64: }
65: }
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