Mercurial > hg > Members > kono > jpf-core
comparison src/main/gov/nasa/jpf/util/VarSpec.java @ 0:61d41facf527
initial v8 import (history reset)
author | Peter Mehlitz <Peter.C.Mehlitz@nasa.gov> |
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date | Fri, 23 Jan 2015 10:14:01 -0800 |
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-1:000000000000 | 0:61d41facf527 |
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1 /* | |
2 * Copyright (C) 2014, United States Government, as represented by the | |
3 * Administrator of the National Aeronautics and Space Administration. | |
4 * All rights reserved. | |
5 * | |
6 * The Java Pathfinder core (jpf-core) platform is licensed under the | |
7 * Apache License, Version 2.0 (the "License"); you may not use this file except | |
8 * in compliance with the License. You may obtain a copy of the License at | |
9 * | |
10 * http://www.apache.org/licenses/LICENSE-2.0. | |
11 * | |
12 * Unless required by applicable law or agreed to in writing, software | |
13 * distributed under the License is distributed on an "AS IS" BASIS, | |
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
15 * See the License for the specific language governing permissions and | |
16 * limitations under the License. | |
17 */ | |
18 | |
19 package gov.nasa.jpf.util; | |
20 | |
21 import gov.nasa.jpf.JPF; | |
22 import gov.nasa.jpf.vm.LocalVarInfo; | |
23 import gov.nasa.jpf.vm.MethodInfo; | |
24 | |
25 /** | |
26 * utility class to specify local variables in JPF options | |
27 * example: | |
28 * | |
29 * x.y.MyClass.foo(int,double):x | |
30 * | |
31 * Note: this is not derived from FeatureSpec, it only used a MethodSpec for delegation | |
32 * | |
33 * <2do> we don't deal with scopes or types yet | |
34 */ | |
35 public class VarSpec { | |
36 | |
37 static JPFLogger logger = JPF.getLogger("gov.nasa.jpf.util"); | |
38 | |
39 String varName; | |
40 MethodSpec mthSpec; | |
41 | |
42 public static VarSpec createVarSpec(String spec) { | |
43 int idx = spec.indexOf(':'); | |
44 | |
45 if (idx > 0) { | |
46 String ms = spec.substring(0, idx).trim(); | |
47 String vs = spec.substring(idx+1).trim(); | |
48 | |
49 MethodSpec mspec = MethodSpec.createMethodSpec(ms); | |
50 if (mspec != null){ | |
51 return new VarSpec(vs, mspec); | |
52 } | |
53 } | |
54 | |
55 logger.warning("illegal variable spec ", spec); | |
56 return null; | |
57 } | |
58 | |
59 public VarSpec (String varName, MethodSpec mthSpec){ | |
60 this.varName = varName; | |
61 this.mthSpec = mthSpec; | |
62 } | |
63 | |
64 public LocalVarInfo getMatchingLocalVarInfo (MethodInfo mi, int pc, int slotIdx){ | |
65 | |
66 if (mthSpec.matches(mi)){ | |
67 LocalVarInfo lvar = mi.getLocalVar(slotIdx, pc); | |
68 if (lvar != null && lvar.getName().equals(varName)){ | |
69 return lvar; | |
70 } | |
71 } | |
72 | |
73 return null; | |
74 } | |
75 | |
76 | |
77 } |