Showing the changes to java/pkg/sun/tools/tree/ArrayExpression.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.*; | |
| 30 | +import java.io.PrintStream; | |
| 31 | +import java.util.Hashtable; | |
| 32 | + | |
| 33 | +/** | |
| 34 | + * WARNING: The contents of this source file are not part of any | |
| 35 | + * supported API. Code that depends on them does so at its own risk: | |
| 36 | + * they are subject to change or removal without notice. | |
| 37 | + */ | |
| 38 | +public | |
| 39 | +class ArrayExpression extends NaryExpression { | |
| 40 | + /** | |
| 41 | + * Constructor | |
| 42 | + */ | |
| 43 | + public ArrayExpression(long where, Expression args[]) { | |
| 44 | + super(ARRAY, where, Type.tError, null, args); | |
| 45 | + } | |
| 46 | + | |
| 47 | + /** | |
| 48 | + * Check expression type | |
| 49 | + */ | |
| 50 | + public Vset checkValue(Environment env, Context ctx, Vset vset, Hashtable exp) { | |
| 51 | + env.error(where, "invalid.array.expr"); | |
| 52 | + return vset; | |
| 53 | + } | |
| 54 | + public Vset checkInitializer(Environment env, Context ctx, Vset vset, Type t, Hashtable exp) { | |
| 55 | + if (!t.isType(TC_ARRAY)) { | |
| 56 | + if (!t.isType(TC_ERROR)) { | |
| 57 | + env.error(where, "invalid.array.init", t); | |
| 58 | + } | |
| 59 | + return vset; | |
| 60 | + } | |
| 61 | + type = t; | |
| 62 | + t = t.getElementType(); | |
| 63 | + for (int i = 0 ; i < args.length ; i++) { | |
| 64 | + vset = args[i].checkInitializer(env, ctx, vset, t, exp); | |
| 65 | + args[i] = convert(env, ctx, t, args[i]); | |
| 66 | + } | |
| 67 | + return vset; | |
| 68 | + } | |
| 69 | + | |
| 70 | + /** | |
| 71 | + * Inline | |
| 72 | + */ | |
| 73 | + public Expression inline(Environment env, Context ctx) { | |
| 74 | + Expression e = null; | |
| 75 | + for (int i = 0 ; i < args.length ; i++) { | |
| 76 | + args[i] = args[i].inline(env, ctx); | |
| 77 | + if (args[i] != null) { | |
| 78 | + e = (e == null) ? args[i] : new CommaExpression(where, e, args[i]); | |
| 79 | + } | |
| 80 | + } | |
| 81 | + return e; | |
| 82 | + } | |
| 83 | + public Expression inlineValue(Environment env, Context ctx) { | |
| 84 | + for (int i = 0 ; i < args.length ; i++) { | |
| 85 | + args[i] = args[i].inlineValue(env, ctx); | |
| 86 | + } | |
| 87 | + return this; | |
| 88 | + } | |
| 89 | + | |
| 90 | + /** | |
| 91 | + * Code | |
| 92 | + */ | |
| 93 | + public void codeValue(Environment env, Context ctx, Assembler asm) { | |
| 94 | + int t = 0; | |
| 95 | + asm.add(where, opc_ldc, new Integer(args.length)); | |
| 96 | + switch (type.getElementType().getTypeCode()) { | |
| 97 | + case TC_BOOLEAN: asm.add(where, opc_newarray, new Integer(T_BOOLEAN)); break; | |
| 98 | + case TC_BYTE: asm.add(where, opc_newarray, new Integer(T_BYTE)); break; | |
| 99 | + case TC_SHORT: asm.add(where, opc_newarray, new Integer(T_SHORT)); break; | |
| 100 | + case TC_CHAR: asm.add(where, opc_newarray, new Integer(T_CHAR)); break; | |
| 101 | + case TC_INT: asm.add(where, opc_newarray, new Integer(T_INT)); break; | |
| 102 | + case TC_LONG: asm.add(where, opc_newarray, new Integer(T_LONG)); break; | |
| 103 | + case TC_FLOAT: asm.add(where, opc_newarray, new Integer(T_FLOAT)); break; | |
| 104 | + case TC_DOUBLE: asm.add(where, opc_newarray, new Integer(T_DOUBLE)); break; | |
| 105 | + | |
| 106 | + case TC_ARRAY: | |
| 107 | + asm.add(where, opc_anewarray, type.getElementType()); | |
| 108 | + break; | |
| 109 | + | |
| 110 | + case TC_CLASS: | |
| 111 | + asm.add(where, opc_anewarray, env.getClassDeclaration(type.getElementType())); | |
| 112 | + break; | |
| 113 | + | |
| 114 | + default: | |
| 115 | + throw new CompilerError("codeValue"); | |
| 116 | + } | |
| 117 | + | |
| 118 | + for (int i = 0 ; i < args.length ; i++) { | |
| 119 | + | |
| 120 | + // If the array element is the default initial value, | |
| 121 | + // then don't bother generating code for this element. | |
| 122 | + if (args[i].equalsDefault()) continue; | |
| 123 | + | |
| 124 | + asm.add(where, opc_dup); | |
| 125 | + asm.add(where, opc_ldc, new Integer(i)); | |
| 126 | + args[i].codeValue(env, ctx, asm); | |
| 127 | + switch (type.getElementType().getTypeCode()) { | |
| 128 | + case TC_BOOLEAN: | |
| 129 | + case TC_BYTE: | |
| 130 | + asm.add(where, opc_bastore); | |
| 131 | + break; | |
| 132 | + case TC_CHAR: | |
| 133 | + asm.add(where, opc_castore); | |
| 134 | + break; | |
| 135 | + case TC_SHORT: | |
| 136 | + asm.add(where, opc_sastore); | |
| 137 | + break; | |
| 138 | + default: | |
| 139 | + asm.add(where, opc_iastore + type.getElementType().getTypeCodeOffset()); | |
| 140 | + } | |
| 141 | + } | |
| 142 | + } | |
| 143 | +} | |