Showing the changes to java/pkg/sun/tools/tree/StringExpression.java (1 of 18352 files). Show all
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| 1 | /* | ||
| 2 | * Copyright (c) 1994, 2003, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package sun.tools.tree; | ||
| 27 | |||
| 28 | import sun.tools.java.*; | ||
| 29 | import sun.tools.asm.Assembler; | ||
| 30 | import java.io.PrintStream; | ||
| 31 | |||
| 32 | /** | ||
| 33 | * WARNING: The contents of this source file are not part of any | ||
| 34 | * supported API. Code that depends on them does so at its own risk: | ||
| 35 | * they are subject to change or removal without notice. | ||
| 36 | */ | ||
| 37 | public | ||
| 38 | class StringExpression extends ConstantExpression { | ||
| 39 | String value; | ||
| 40 | |||
| 41 | /** | ||
| 42 | * Constructor | ||
| 43 | */ | ||
| 44 | public StringExpression(long where, String value) { | ||
| 45 | super(STRINGVAL, where, Type.tString); | ||
| 46 | this.value = value; | ||
| 47 | } | ||
| 48 | |||
| 49 | public boolean equals(String s) { | ||
| 50 | return value.equals(s); | ||
| 51 | } | ||
| 52 | public boolean isNonNull() { | ||
| 53 | return true; // string literal is never null | ||
| 54 | } | ||
| 55 | |||
| 56 | /** | ||
| 57 | * Code | ||
| 58 | */ | ||
| 59 | public void codeValue(Environment env, Context ctx, Assembler asm) { | ||
| 60 | asm.add(where, opc_ldc, this); | ||
| 61 | } | ||
| 62 | |||
| 63 | /** | ||
| 64 | * Get the value | ||
| 65 | */ | ||
| 66 | public Object getValue() { | ||
| 67 | return value; | ||
| 68 | } | ||
| 69 | |||
| 70 | /** | ||
| 71 | * Hashcode | ||
| 72 | */ | ||
| 73 | public int hashCode() { | ||
| 74 | return value.hashCode() ^ 3213; | ||
| 75 | } | ||
| 76 | |||
| 77 | /** | ||
| 78 | * Equality | ||
| 79 | */ | ||
| 80 | public boolean equals(Object obj) { | ||
| 81 | if ((obj != null) && (obj instanceof StringExpression)) { | ||
| 82 | return value.equals(((StringExpression)obj).value); | ||
| 83 | } | ||
| 84 | return false; | ||
| 85 | } | ||
| 86 | |||
| 87 | /** | ||
| 88 | |||
| 89 | */ | ||
| 90 | public void print(PrintStream out) { | ||
| 91 | out.print("\"" + value + "\""); | ||
| 92 | } | ||
| 93 | } | ||