Mercurial > hg > graal-compiler
diff graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/ast/CodeNames.java @ 7291:a748e4d44694
Truffle API to specify type-specalized Node classes; annotation processor for automatic code generation of the type-specialized Node classes during the build process
author | Christian Humer <christian.humer@gmail.com> |
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date | Fri, 21 Dec 2012 10:44:31 -0800 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/ast/CodeNames.java Fri Dec 21 10:44:31 2012 -0800 @@ -0,0 +1,90 @@ +/* + * Copyright (c) 2012, 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.truffle.codegen.processor.ast; + +import java.util.*; + +import javax.lang.model.element.*; + +public abstract class CodeNames { + + private static Map<String, Name> names = new HashMap<>(); + + public static Name of(String value) { + Name name = names.get(value); + if (name == null) { + name = new NameImpl(value); + names.put(value, name); + } + return name; + } + + private static class NameImpl implements Name { + + private final String name; + + public NameImpl(String name) { + this.name = name; + } + + @Override + public int length() { + return name.length(); + } + + @Override + public char charAt(int index) { + return name.charAt(index); + } + + @Override + public CharSequence subSequence(int start, int end) { + return name.subSequence(start, end); + } + + @Override + public boolean contentEquals(CharSequence cs) { + return name.contentEquals(cs); + } + + @Override + public boolean equals(Object obj) { + if (obj instanceof Name) { + return ((Name) obj).contentEquals(name); + } + return super.equals(obj); + } + + @Override + public int hashCode() { + return name.hashCode(); + } + + @Override + public String toString() { + return name; + } + + } + +}