Mercurial > hg > truffle
view graal/com.oracle.graal.lir/src/com/oracle/graal/lir/CompositeValueClass.java @ 19526:8fc336a04d77
Create TYPE fields for LIRInstruction and CompositeValue. Renaming NodeClass#get to NodeClass#create.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
---|---|
date | Fri, 20 Feb 2015 22:22:55 +0100 |
parents | d216de21bfe8 |
children | a69a7c0e0ccc |
line wrap: on
line source
/* * Copyright (c) 2013, 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.graal.lir; import java.lang.reflect.*; import java.util.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.common.*; import com.oracle.graal.lir.CompositeValue.Component; import com.oracle.graal.lir.LIRInstruction.OperandFlag; import com.oracle.graal.lir.LIRInstruction.OperandMode; /** * Lazily associated metadata for every {@link CompositeValue} type. The metadata includes: * <ul> * <li>The offsets of fields annotated with {@link Component} as well as methods for iterating over * such fields.</li> * </ul> */ public class CompositeValueClass<T> extends LIRIntrospection<T> { public static final <T extends CompositeValue> CompositeValueClass<T> create(Class<T> c) { return new CompositeValueClass<>(c); } public CompositeValueClass(Class<T> clazz) { this(clazz, new FieldsScanner.DefaultCalcOffset()); } public CompositeValueClass(Class<T> clazz, FieldsScanner.CalcOffset calcOffset) { super(clazz); CompositeValueFieldsScanner vfs = new CompositeValueFieldsScanner(calcOffset); vfs.scan(clazz, CompositeValue.class, false); values = new Values(vfs.valueAnnotations.get(CompositeValue.Component.class)); data = new Fields(vfs.data); } private static class CompositeValueFieldsScanner extends LIRFieldsScanner { public CompositeValueFieldsScanner(FieldsScanner.CalcOffset calc) { super(calc); valueAnnotations.put(CompositeValue.Component.class, new OperandModeAnnotation()); } @Override protected EnumSet<OperandFlag> getFlags(Field field) { EnumSet<OperandFlag> result = EnumSet.noneOf(OperandFlag.class); if (field.isAnnotationPresent(CompositeValue.Component.class)) { result.addAll(Arrays.asList(field.getAnnotation(CompositeValue.Component.class).value())); } else { GraalInternalError.shouldNotReachHere(); } return result; } } @Override public String toString() { StringBuilder str = new StringBuilder(); str.append(getClass().getSimpleName()).append(" ").append(getClazz().getSimpleName()).append(" components["); values.appendFields(str); str.append("] data["); data.appendFields(str); str.append("]"); return str.toString(); } final CompositeValue forEachComponent(LIRInstruction inst, CompositeValue obj, OperandMode mode, InstructionValueProcedure proc) { return super.forEachComponent(inst, obj, values, mode, proc); } final void forEachComponent(LIRInstruction inst, CompositeValue obj, OperandMode mode, ValuePositionProcedure proc, ValuePosition outerPosition) { forEach(inst, obj, values, mode, proc, outerPosition); } public String toString(CompositeValue obj) { StringBuilder result = new StringBuilder(); appendValues(result, obj, "", "", "{", "}", new String[]{""}, values); for (int i = 0; i < data.getCount(); i++) { result.append(" ").append(data.getName(i)).append(": ").append(getFieldString(obj, i, data)); } return result.toString(); } void copyValueArrays(CompositeValue compositeValue) { for (int i = values.getDirectCount(); i < values.getCount(); i++) { Value[] valueArray = values.getValueArray(compositeValue, i); Value[] newValueArray = Arrays.copyOf(valueArray, valueArray.length); values.setValueArray(compositeValue, i, newValueArray); } } }