/* * Copyright (c) 1998, 2004, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */package com.sun.tools.jdi;import com.sun.jdi.*;import java.util.*;public class LocationImpl extends MirrorImpl implements Location { private final ReferenceTypeImpl declaringType; private Method method; private long methodRef; private long codeIndex; private LineInfo baseLineInfo = null; private LineInfo otherLineInfo = null; LocationImpl(VirtualMachine vm, Method method, long codeIndex) { super(vm); this.method = method; this.codeIndex = method.isNative()? -1 : codeIndex; this.declaringType = (ReferenceTypeImpl)method.declaringType(); } /* * This constructor allows lazy creation of the method mirror. This * can be a performance savings if the method mirror does not yet * exist. */ LocationImpl(VirtualMachine vm, ReferenceTypeImpl declaringType, long methodRef, long codeIndex) { super(vm); this.method = null; this.codeIndex = codeIndex; this.declaringType = declaringType; this.methodRef = methodRef; } public boolean equals(Object obj) { if ((obj != null) && (obj instanceof Location)) { Location other = (Location)obj; return (method().equals(other.method())) && (codeIndex() == other.codeIndex()) && super.equals(obj); } else { return false; } } public int hashCode() { /* * TO DO: better hash code? */ return method().hashCode() + (int)codeIndex(); } public int compareTo(Location object) { LocationImpl other = (LocationImpl)object; int rc = method().compareTo(other.method()); if (rc == 0) { long diff = codeIndex() - other.codeIndex(); if (diff < 0) return -1; else if (diff > 0) return 1; else return 0; } return rc; } public ReferenceType declaringType() { return declaringType; } public Method method() { if (method == null) { method = declaringType.getMethodMirror(methodRef); if (method.isNative()) { codeIndex = -1; } } return method; } public long codeIndex() { method(); // be sure information is up-to-date return codeIndex; } LineInfo getBaseLineInfo(SDE.Stratum stratum) { LineInfo lineInfo; /* check if there is cached info to use */ if (baseLineInfo != null) { return baseLineInfo; } /* compute the line info */ MethodImpl methodImpl = (MethodImpl)method(); lineInfo = methodImpl.codeIndexToLineInfo(stratum, codeIndex()); /* cache it */ addBaseLineInfo(lineInfo); return lineInfo; } LineInfo getLineInfo(SDE.Stratum stratum) { LineInfo lineInfo; /* base stratum is done slighly differently */ if (stratum.isJava()) { return getBaseLineInfo(stratum); } /* check if there is cached info to use */ lineInfo = otherLineInfo; // copy because of concurrency if (lineInfo != null && stratum.id().equals(lineInfo.liStratum())) { return lineInfo; } int baseLineNumber = lineNumber(SDE.BASE_STRATUM_NAME); SDE.LineStratum lineStratum = stratum.lineStratum(declaringType, baseLineNumber); if (lineStratum != null && lineStratum.lineNumber() != -1) { lineInfo = new StratumLineInfo(stratum.id(), lineStratum.lineNumber(), lineStratum.sourceName(), lineStratum.sourcePath()); } else { /* find best match */ MethodImpl methodImpl = (MethodImpl)method(); lineInfo = methodImpl.codeIndexToLineInfo(stratum, codeIndex()); } /* cache it */ addStratumLineInfo(lineInfo); return lineInfo; } void addStratumLineInfo(LineInfo lineInfo) { otherLineInfo = lineInfo; } void addBaseLineInfo(LineInfo lineInfo) { baseLineInfo = lineInfo; } public String sourceName() throws AbsentInformationException { return sourceName(vm.getDefaultStratum()); } public String sourceName(String stratumID) throws AbsentInformationException { return sourceName(declaringType.stratum(stratumID)); } String sourceName(SDE.Stratum stratum) throws AbsentInformationException { return getLineInfo(stratum).liSourceName(); } public String sourcePath() throws AbsentInformationException { return sourcePath(vm.getDefaultStratum()); } public String sourcePath(String stratumID) throws AbsentInformationException { return sourcePath(declaringType.stratum(stratumID)); } String sourcePath(SDE.Stratum stratum) throws AbsentInformationException { return getLineInfo(stratum).liSourcePath(); } public int lineNumber() { return lineNumber(vm.getDefaultStratum()); } public int lineNumber(String stratumID) { return lineNumber(declaringType.stratum(stratumID)); } int lineNumber(SDE.Stratum stratum) { return getLineInfo(stratum).liLineNumber(); } public String toString() { if (lineNumber() == -1) { return method().toString() + "+" + codeIndex(); } else { return declaringType().name() + ":" + lineNumber(); } }}
/*
* Copyright (c) 1998, 2004, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.tools.jdi;
import com.sun.jdi.*;
import java.util.*;
public class LocationImpl extends MirrorImpl implements Location {
private final ReferenceTypeImpl declaringType;
private Method method;
private long methodRef;
private long codeIndex;
private LineInfo baseLineInfo = null;
private LineInfo otherLineInfo = null;
LocationImpl(VirtualMachine vm,
Method method, long codeIndex) {
super(vm);
this.method = method;
this.codeIndex = method.isNative()? -1 : codeIndex;
this.declaringType = (ReferenceTypeImpl)method.declaringType();
}
/*
* This constructor allows lazy creation of the method mirror. This
* can be a performance savings if the method mirror does not yet
* exist.
*/
LocationImpl(VirtualMachine vm, ReferenceTypeImpl declaringType,
long methodRef, long codeIndex) {
super(vm);
this.method = null;
this.codeIndex = codeIndex;
this.declaringType = declaringType;
this.methodRef = methodRef;
}
public boolean equals(Object obj) {
if ((obj != null) && (obj instanceof Location)) {
Location other = (Location)obj;
return (method().equals(other.method())) &&
(codeIndex() == other.codeIndex()) &&
super.equals(obj);
} else {
return false;
}
}
public int hashCode() {
/*
* TO DO: better hash code?
*/
return method().hashCode() + (int)codeIndex();
}
public int compareTo(Location object) {
LocationImpl other = (LocationImpl)object;
int rc = method().compareTo(other.method());
if (rc == 0) {
long diff = codeIndex() - other.codeIndex();
if (diff < 0)
return -1;
else if (diff > 0)
return 1;
else
return 0;
}
return rc;
}
public ReferenceType declaringType() {
return declaringType;
}
public Method method() {
if (method == null) {
method = declaringType.getMethodMirror(methodRef);
if (method.isNative()) {
codeIndex = -1;
}
}
return method;
}
public long codeIndex() {
method(); // be sure information is up-to-date
return codeIndex;
}
LineInfo getBaseLineInfo(SDE.Stratum stratum) {
LineInfo lineInfo;
/* check if there is cached info to use */
if (baseLineInfo != null) {
return baseLineInfo;
}
/* compute the line info */
MethodImpl methodImpl = (MethodImpl)method();
lineInfo = methodImpl.codeIndexToLineInfo(stratum,
codeIndex());
/* cache it */
addBaseLineInfo(lineInfo);
return lineInfo;
}
LineInfo getLineInfo(SDE.Stratum stratum) {
LineInfo lineInfo;
/* base stratum is done slighly differently */
if (stratum.isJava()) {
return getBaseLineInfo(stratum);
}
/* check if there is cached info to use */
lineInfo = otherLineInfo; // copy because of concurrency
if (lineInfo != null &&
stratum.id().equals(lineInfo.liStratum())) {
return lineInfo;
}
int baseLineNumber = lineNumber(SDE.BASE_STRATUM_NAME);
SDE.LineStratum lineStratum =
stratum.lineStratum(declaringType, baseLineNumber);
if (lineStratum != null && lineStratum.lineNumber() != -1) {
lineInfo = new StratumLineInfo(stratum.id(),
lineStratum.lineNumber(),
lineStratum.sourceName(),
lineStratum.sourcePath());
} else {
/* find best match */
MethodImpl methodImpl = (MethodImpl)method();
lineInfo = methodImpl.codeIndexToLineInfo(stratum,
codeIndex());
}
/* cache it */
addStratumLineInfo(lineInfo);
return lineInfo;
}
void addStratumLineInfo(LineInfo lineInfo) {
otherLineInfo = lineInfo;
}
void addBaseLineInfo(LineInfo lineInfo) {
baseLineInfo = lineInfo;
}
public String sourceName() throws AbsentInformationException {
return sourceName(vm.getDefaultStratum());
}
public String sourceName(String stratumID)
throws AbsentInformationException {
return sourceName(declaringType.stratum(stratumID));
}
String sourceName(SDE.Stratum stratum)
throws AbsentInformationException {
return getLineInfo(stratum).liSourceName();
}
public String sourcePath() throws AbsentInformationException {
return sourcePath(vm.getDefaultStratum());
}
public String sourcePath(String stratumID)
throws AbsentInformationException {
return sourcePath(declaringType.stratum(stratumID));
}
String sourcePath(SDE.Stratum stratum)
throws AbsentInformationException {
return getLineInfo(stratum).liSourcePath();
}
public int lineNumber() {
return lineNumber(vm.getDefaultStratum());
}
public int lineNumber(String stratumID) {
return lineNumber(declaringType.stratum(stratumID));
}
int lineNumber(SDE.Stratum stratum) {
return getLineInfo(stratum).liLineNumber();
}
public String toString() {
if (lineNumber() == -1) {
return method().toString() + "+" + codeIndex();
} else {
return declaringType().name() + ":" + lineNumber();
}
}
}