Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/jdi/MethodImpl.java @ 7353:b5280041f59e
Experiment with soft alignment for branch targets.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sun, 13 Jan 2013 19:32:16 +0100 |
parents | 37be97a58393 |
children |
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/* * Copyright (c) 2002, 2011, 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. * * 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 sun.jvm.hotspot.jdi; import com.sun.jdi.*; import sun.jvm.hotspot.oops.Symbol; import sun.jvm.hotspot.oops.LocalVariableTableElement; import java.util.List; import java.util.Iterator; import java.util.ArrayList; import java.util.Comparator; import java.lang.ref.SoftReference; import java.util.Collections; public abstract class MethodImpl extends TypeComponentImpl implements Method { private JNITypeParser signatureParser; protected sun.jvm.hotspot.oops.Method saMethod; abstract int argSlotCount() throws AbsentInformationException; abstract List allLineLocations(SDE.Stratum stratum, String sourceName) throws AbsentInformationException; abstract List locationsOfLine(SDE.Stratum stratum, String sourceName, int lineNumber) throws AbsentInformationException; static MethodImpl createMethodImpl(VirtualMachine vm, ReferenceTypeImpl declaringType, sun.jvm.hotspot.oops.Method saMethod) { // Someday might have to add concrete and non-concrete subclasses. if (saMethod.isNative() || saMethod.isAbstract()) { return new NonConcreteMethodImpl(vm, declaringType, saMethod); } else { return new ConcreteMethodImpl(vm, declaringType, saMethod); } } MethodImpl(VirtualMachine vm, ReferenceTypeImpl declaringType, sun.jvm.hotspot.oops.Method saMethod ) { super(vm, declaringType); this.saMethod = saMethod; getParser(); } private JNITypeParser getParser() { if (signatureParser == null) { Symbol sig1 = saMethod.getSignature(); signature = sig1.asString(); signatureParser = new JNITypeParser(signature); } return signatureParser; } // Object ref() { sun.jvm.hotspot.oops.Method ref() { return saMethod; } public String genericSignature() { Symbol genSig = saMethod.getGenericSignature(); return (genSig != null)? genSig.asString() : null; } public String returnTypeName() { return getParser().typeName(); } public Type returnType() throws ClassNotLoadedException { return findType(getParser().signature()); } private Type findType(String signature) throws ClassNotLoadedException { ReferenceTypeImpl enclosing = (ReferenceTypeImpl)declaringType(); return enclosing.findType(signature); } public List argumentTypeNames() { return getParser().argumentTypeNames(); } List argumentSignatures() { return getParser().argumentSignatures(); } Type argumentType(int index) throws ClassNotLoadedException { ReferenceTypeImpl enclosing = (ReferenceTypeImpl)declaringType(); String signature = (String)argumentSignatures().get(index); return enclosing.findType(signature); } public List argumentTypes() throws ClassNotLoadedException { int size = argumentSignatures().size(); ArrayList types = new ArrayList(size); for (int i = 0; i < size; i++) { Type type = argumentType(i); types.add(type); } return types; } public boolean isAbstract() { return saMethod.isAbstract(); } public boolean isBridge() { return saMethod.isBridge(); } public boolean isSynchronized() { return saMethod.isSynchronized(); } public boolean isNative() { return saMethod.isNative(); } public boolean isVarArgs() { return saMethod.isVarArgs(); } public boolean isConstructor() { return saMethod.isConstructor(); } public boolean isStaticInitializer() { return saMethod.isStaticInitializer(); } public boolean isObsolete() { return saMethod.isObsolete(); } public final List allLineLocations() throws AbsentInformationException { return allLineLocations(vm.getDefaultStratum(), null); } public List allLineLocations(String stratumID, String sourceName) throws AbsentInformationException { return allLineLocations(declaringType.stratum(stratumID), sourceName); } public final List locationsOfLine(int lineNumber) throws AbsentInformationException { return locationsOfLine(vm.getDefaultStratum(), null, lineNumber); } public List locationsOfLine(String stratumID, String sourceName, int lineNumber) throws AbsentInformationException { return locationsOfLine(declaringType.stratum(stratumID), sourceName, lineNumber); } LineInfo codeIndexToLineInfo(SDE.Stratum stratum, long codeIndex) { if (stratum.isJava()) { return new BaseLineInfo(-1, declaringType); } else { return new StratumLineInfo(stratum.id(), -1, null, null); } } public boolean equals(Object obj) { if ((obj != null) && (obj instanceof MethodImpl)) { MethodImpl other = (MethodImpl)obj; return (declaringType().equals(other.declaringType())) && (ref().equals(other.ref())) && super.equals(obj); } else { return false; } } // From interface Comparable public int compareTo(Method method) { ReferenceTypeImpl declaringType = (ReferenceTypeImpl)declaringType(); int rc = declaringType.compareTo(method.declaringType()); if (rc == 0) { rc = declaringType.indexOf(this) - declaringType.indexOf(method); } return rc; } // from interface Mirror public String toString() { StringBuffer sb = new StringBuffer(); sb.append(declaringType().name()); sb.append("."); sb.append(name()); sb.append("("); boolean first = true; for (Iterator it = argumentTypeNames().iterator(); it.hasNext();) { if (!first) { sb.append(", "); } sb.append((String)it.next()); first = false; } sb.append(")"); return sb.toString(); } public String name() { Symbol myName = saMethod.getName(); return myName.asString(); } public int modifiers() { return saMethod.getAccessFlagsObj().getStandardFlags(); } public boolean isPackagePrivate() { return saMethod.isPackagePrivate(); } public boolean isPrivate() { return saMethod.isPrivate(); } public boolean isProtected() { return saMethod.isProtected(); } public boolean isPublic() { return saMethod.isPublic(); } public boolean isStatic() { return saMethod.isStatic(); } public boolean isSynthetic() { return saMethod.isSynthetic(); } public boolean isFinal() { return saMethod.isFinal(); } public int hashCode() { return saMethod.hashCode(); } }