Mercurial > hg > graal-compiler
view graal/com.oracle.max.graal.runtime/src/com/oracle/max/graal/runtime/HotSpotTypeUnresolved.java @ 3478:bdeb4ba46a30
Init StringBuilder with size.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 03 Aug 2011 17:27:44 -0700 |
parents | 3d68684b7161 |
children |
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/* * Copyright (c) 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 com.oracle.max.graal.runtime; import com.sun.cri.ci.*; import com.sun.cri.ri.*; /** * Implementation of RiType for unresolved HotSpot classes. */ public class HotSpotTypeUnresolved extends HotSpotType { public final String simpleName; public final int dimensions; /** * Creates a new unresolved type for a specified type descriptor. */ public HotSpotTypeUnresolved(Compiler compiler, String name) { super(compiler); assert name.length() > 0 : "name cannot be empty"; int dimensions = 0; // Decode name if necessary. if (name.charAt(name.length() - 1) == ';') { int startIndex = 0; while (name.charAt(startIndex) == '[') { startIndex++; dimensions++; } assert name.charAt(startIndex) == 'L'; this.simpleName = name.substring(startIndex + 1, name.length() - 1); this.name = name; } else { this.simpleName = name; this.name = getFullName(name, dimensions); } this.dimensions = dimensions; } public HotSpotTypeUnresolved(Compiler compiler, String name, int dimensions) { super(compiler); assert dimensions >= 0; this.simpleName = name; this.dimensions = dimensions; this.name = getFullName(name, dimensions); } private String getFullName(String name, int dimensions) { StringBuilder str = new StringBuilder(name.length() + dimensions + 2); for (int i = 0; i < dimensions; i++) { str.append('['); } str.append('L').append(name).append(';'); return str.toString(); } @Override public RiType uniqueConcreteSubtype() { throw unresolved("uniqueConcreteSubtype"); } @Override public boolean hasSubclass() { throw unresolved("hasSubclass()"); } @Override public boolean hasFinalizer() { throw unresolved("hasFinalizer()"); } @Override public boolean hasFinalizableSubclass() { throw unresolved("hasFinalizableSubclass()"); } @Override public boolean isInterface() { throw unresolved("isInterface()"); } @Override public boolean isArrayClass() { return dimensions > 0; } @Override public boolean isInstanceClass() { throw unresolved("isInstanceClass()"); } @Override public int accessFlags() { throw unresolved("accessFlags()"); } @Override public boolean isResolved() { return false; } @Override public boolean isInitialized() { throw unresolved("isInitialized()"); } @Override public boolean isSubtypeOf(RiType other) { throw unresolved("isSubtypeOf()"); } @Override public boolean isInstance(CiConstant obj) { throw unresolved("isInstance()"); } @Override public RiType componentType() { assert isArrayClass() : "no array class" + name(); return new HotSpotTypeUnresolved(compiler, simpleName, dimensions - 1); } @Override public RiType exactType() { throw unresolved("exactType()"); } @Override public RiType superType() { throw unresolved("superType()"); } @Override public RiType arrayOf() { return new HotSpotTypeUnresolved(compiler, simpleName, dimensions + 1); } @Override public RiMethod resolveMethodImpl(RiMethod method) { throw unresolved("resolveMethodImpl()"); } @Override public CiKind kind() { return CiKind.Object; } private CiUnresolvedException unresolved(String operation) { throw new CiUnresolvedException(operation + " not defined for unresolved class " + simpleName); } @Override public int hashCode() { return simpleName.hashCode(); } @Override public boolean equals(Object o) { return o == this; } @Override public String toString() { return "HotSpotType<" + simpleName + ", unresolved>"; } @Override public CiConstant getEncoding(RiType.Representation r) { throw unresolved("getEncoding()"); } @Override public CiKind getRepresentationKind(RiType.Representation r) { return CiKind.Object; } @Override public RiMethod uniqueConcreteMethod(RiMethod method) { throw unresolved("uniqueConcreteMethod"); } @Override public RiField[] fields() { return null; } @Override public RiMethod getMethod(String name, String signature) { return null; } }