Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.api.dsl/src/com/oracle/truffle/api/dsl/internal/RewriteEvent.java @ 19591:6ccf3993b7f2
Add additional assertions in DCE.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Tue, 24 Feb 2015 20:11:04 +0100 |
parents | 65234356d0c5 |
children |
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/* * Copyright (c) 2014, 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.oracle.truffle.api.dsl.internal; import com.oracle.truffle.api.nodes.*; /** * Lazy rewrite event that implements {@link CharSequence} to be provided as message in * {@link Node#replace(Node, CharSequence)}. */ abstract class RewriteEvent implements CharSequence { private final Node source; private final String reason; private String message; private RewriteEvent(Node source, String reason) { this.source = source; this.reason = reason; } public int length() { return getMessage().length(); } public char charAt(int index) { return getMessage().charAt(index); } public CharSequence subSequence(int start, int end) { return getMessage().subSequence(start, end); } @Override public String toString() { return getMessage(); } private String getMessage() { if (message == null) { message = createMessage(); } return message; } private String createMessage() { StringBuilder builder = new StringBuilder(); builder.append(source); builder.append(" "); builder.append(reason); Object[] values = getValues(); if (values.length > 0) { builder.append(" with parameters ("); String sep = ""; for (Object value : values) { builder.append(sep); if (value == null) { builder.append("null"); } else { builder.append(value).append(" (").append(value.getClass().getSimpleName()).append(")"); } sep = ", "; } builder.append(")"); } return builder.toString(); } public abstract Object[] getValues(); static final class RewriteEvent0 extends RewriteEvent { private static final Object[] EMPTY = new Object[0]; public RewriteEvent0(Node source, String reason) { super(source, reason); } @Override public Object[] getValues() { return EMPTY; } } static final class RewriteEvent1 extends RewriteEvent { private final Object o1; public RewriteEvent1(Node source, String reason, Object o1) { super(source, reason); this.o1 = o1; } @Override public Object[] getValues() { return new Object[]{o1}; } } static final class RewriteEvent2 extends RewriteEvent { private final Object o1; private final Object o2; public RewriteEvent2(Node source, String reason, Object o1, Object o2) { super(source, reason); this.o1 = o1; this.o2 = o2; } @Override public Object[] getValues() { return new Object[]{o1, o2}; } } static final class RewriteEvent3 extends RewriteEvent { private final Object o1; private final Object o2; private final Object o3; public RewriteEvent3(Node source, String reason, Object o1, Object o2, Object o3) { super(source, reason); this.o1 = o1; this.o2 = o2; this.o3 = o3; } @Override public Object[] getValues() { return new Object[]{o1, o2, o3}; } } static final class RewriteEvent4 extends RewriteEvent { private final Object o1; private final Object o2; private final Object o3; private final Object o4; public RewriteEvent4(Node source, String reason, Object o1, Object o2, Object o3, Object o4) { super(source, reason); this.o1 = o1; this.o2 = o2; this.o3 = o3; this.o4 = o4; } @Override public Object[] getValues() { return new Object[]{o1, o2, o3, o4}; } } static final class RewriteEventN extends RewriteEvent { private final Object[] args; public RewriteEventN(Node source, String reason, Object... args) { super(source, reason); this.args = args; } @Override public Object[] getValues() { return args; } } }