Showing the changes to java/pkg/com/sun/tools/example/debug/bdi/LineBreakpointSpec.java (1 of 18352 files). Show all
Unified · Split
| @@ -0,0 +1,121 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (c) 1999, 2008, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package com.sun.tools.example.debug.bdi; | ||
| 27 | |||
| 28 | import com.sun.jdi.*; | ||
| 29 | import java.util.List; | ||
| 30 | |||
| 31 | public class LineBreakpointSpec extends BreakpointSpec { | ||
| 32 | int lineNumber; | ||
| 33 | |||
| 34 | LineBreakpointSpec(EventRequestSpecList specs, | ||
| 35 | ReferenceTypeSpec refSpec, int lineNumber) { | ||
| 36 | super(specs, refSpec); | ||
| 37 | this.lineNumber = lineNumber; | ||
| 38 | } | ||
| 39 | |||
| 40 | /** | ||
| 41 | * The 'refType' is known to match. | ||
| 42 | */ | ||
| 43 | @Override | ||
| 44 | void resolve(ReferenceType refType) throws InvalidTypeException, | ||
| 45 | LineNotFoundException { | ||
| 46 | if (!(refType instanceof ClassType)) { | ||
| 47 | throw new InvalidTypeException(); | ||
| 48 | } | ||
| 49 | Location location = location((ClassType)refType); | ||
| 50 | setRequest(refType.virtualMachine().eventRequestManager() | ||
| 51 | .createBreakpointRequest(location)); | ||
| 52 | } | ||
| 53 | |||
| 54 | private Location location(ClassType clazz) throws | ||
| 55 | LineNotFoundException { | ||
| 56 | Location location = null; | ||
| 57 | try { | ||
| 58 | List<Location> locs = clazz.locationsOfLine(lineNumber()); | ||
| 59 | if (locs.size() == 0) { | ||
| 60 | throw new LineNotFoundException(); | ||
| 61 | } | ||
| 62 | // TODO handle multiple locations | ||
| 63 | location = locs.get(0); | ||
| 64 | if (location.method() == null) { | ||
| 65 | throw new LineNotFoundException(); | ||
| 66 | } | ||
| 67 | } catch (AbsentInformationException e) { | ||
| 68 | /* | ||
| 69 | * TO DO: throw something more specific, or allow | ||
| 70 | * AbsentInfo exception to pass through. | ||
| 71 | */ | ||
| 72 | throw new LineNotFoundException(); | ||
| 73 | } | ||
| 74 | return location; | ||
| 75 | } | ||
| 76 | |||
| 77 | public int lineNumber() { | ||
| 78 | return lineNumber; | ||
| 79 | } | ||
| 80 | |||
| 81 | @Override | ||
| 82 | public int hashCode() { | ||
| 83 | return refSpec.hashCode() + lineNumber; | ||
| 84 | } | ||
| 85 | |||
| 86 | @Override | ||
| 87 | public boolean equals(Object obj) { | ||
| 88 | if (obj instanceof LineBreakpointSpec) { | ||
| 89 | LineBreakpointSpec breakpoint = (LineBreakpointSpec)obj; | ||
| 90 | |||
| 91 | return refSpec.equals(breakpoint.refSpec) && | ||
| 92 | (lineNumber == breakpoint.lineNumber); | ||
| 93 | } else { | ||
| 94 | return false; | ||
| 95 | } | ||
| 96 | } | ||
| 97 | |||
| 98 | @Override | ||
| 99 | public String errorMessageFor(Exception e) { | ||
| 100 | if (e instanceof LineNotFoundException) { | ||
| 101 | return ("No code at line " + lineNumber() + " in " + refSpec); | ||
| 102 | } else if (e instanceof InvalidTypeException) { | ||
| 103 | return ("Breakpoints can be located only in classes. " + | ||
| 104 | refSpec + " is an interface or array"); | ||
| 105 | } else { | ||
| 106 | return super.errorMessageFor( e); | ||
| 107 | } | ||
| 108 | } | ||
| 109 | |||
| 110 | @Override | ||
| 111 | public String toString() { | ||
| 112 | StringBuffer buffer = new StringBuffer("breakpoint "); | ||
| 113 | buffer.append(refSpec.toString()); | ||
| 114 | buffer.append(':'); | ||
| 115 | buffer.append(lineNumber); | ||
| 116 | buffer.append(" ("); | ||
| 117 | buffer.append(getStatusString()); | ||
| 118 | buffer.append(')'); | ||
| 119 | return buffer.toString(); | ||
| 120 | } | ||
| 121 | } | ||