| /* |
| * Copyright (c) 1994, 2003, 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 sun.tools.tree; |
| |
| import sun.tools.java.*; |
| import sun.tools.asm.Assembler; |
| import sun.tools.asm.ArrayData; |
| import java.io.PrintStream; |
| import java.util.Hashtable; |
| |
| /** |
| * WARNING: The contents of this source file are not part of any |
| * supported API. Code that depends on them does so at its own risk: |
| * they are subject to change or removal without notice. |
| */ |
| public |
| class NewArrayExpression extends NaryExpression { |
| Expression init; |
| |
| /** |
| * Constructor |
| */ |
| public NewArrayExpression(long where, Expression right, Expression args[]) { |
| super(NEWARRAY, where, Type.tError, right, args); |
| } |
| |
| public NewArrayExpression(long where, Expression right, Expression args[], Expression init) { |
| this(where, right, args); |
| this.init = init; |
| } |
| |
| /** |
| * Check |
| */ |
| public Vset checkValue(Environment env, Context ctx, Vset vset, Hashtable exp) { |
| type = right.toType(env, ctx); |
| |
| boolean flag = (init != null); // flag says that dims are forbidden |
| for (int i = 0 ; i < args.length ; i++) { |
| Expression dim = args[i]; |
| if (dim == null) { |
| if (i == 0 && !flag) { |
| env.error(where, "array.dim.missing"); |
| } |
| flag = true; |
| } else { |
| if (flag) { |
| env.error(dim.where, "invalid.array.dim"); |
| } |
| vset = dim.checkValue(env, ctx, vset, exp); |
| args[i] = convert(env, ctx, Type.tInt, dim); |
| } |
| type = Type.tArray(type); |
| } |
| if (init != null) { |
| vset = init.checkInitializer(env, ctx, vset, type, exp); |
| init = convert(env, ctx, type, init); |
| } |
| return vset; |
| } |
| |
| public Expression copyInline(Context ctx) { |
| NewArrayExpression e = (NewArrayExpression)super.copyInline(ctx); |
| if (init != null) { |
| e.init = init.copyInline(ctx); |
| } |
| return e; |
| } |
| |
| /** |
| * Inline |
| */ |
| public Expression inline(Environment env, Context ctx) { |
| Expression e = null; |
| for (int i = 0 ; i < args.length ; i++) { |
| if (args[i] != null) { |
| e = (e != null) ? new CommaExpression(where, e, args[i]) : args[i]; |
| } |
| } |
| if (init != null) |
| e = (e != null) ? new CommaExpression(where, e, init) : init; |
| return (e != null) ? e.inline(env, ctx) : null; |
| } |
| public Expression inlineValue(Environment env, Context ctx) { |
| if (init != null) |
| return init.inlineValue(env, ctx); // args are all null |
| for (int i = 0 ; i < args.length ; i++) { |
| if (args[i] != null) { |
| args[i] = args[i].inlineValue(env, ctx); |
| } |
| } |
| return this; |
| } |
| |
| /** |
| * Code |
| */ |
| public void codeValue(Environment env, Context ctx, Assembler asm) { |
| int t = 0; |
| for (int i = 0 ; i < args.length ; i++) { |
| if (args[i] != null) { |
| args[i].codeValue(env, ctx, asm); |
| t++; |
| } |
| } |
| if (args.length > 1) { |
| asm.add(where, opc_multianewarray, new ArrayData(type, t)); |
| return; |
| } |
| |
| switch (type.getElementType().getTypeCode()) { |
| case TC_BOOLEAN: |
| asm.add(where, opc_newarray, new Integer(T_BOOLEAN)); break; |
| case TC_BYTE: |
| asm.add(where, opc_newarray, new Integer(T_BYTE)); break; |
| case TC_SHORT: |
| asm.add(where, opc_newarray, new Integer(T_SHORT)); break; |
| case TC_CHAR: |
| asm.add(where, opc_newarray, new Integer(T_CHAR)); break; |
| case TC_INT: |
| asm.add(where, opc_newarray, new Integer(T_INT)); break; |
| case TC_LONG: |
| asm.add(where, opc_newarray, new Integer(T_LONG)); break; |
| case TC_FLOAT: |
| asm.add(where, opc_newarray, new Integer(T_FLOAT)); break; |
| case TC_DOUBLE: |
| asm.add(where, opc_newarray, new Integer(T_DOUBLE)); break; |
| case TC_ARRAY: |
| asm.add(where, opc_anewarray, type.getElementType()); break; |
| case TC_CLASS: |
| asm.add(where, opc_anewarray, |
| env.getClassDeclaration(type.getElementType())); |
| break; |
| default: |
| throw new CompilerError("codeValue"); |
| } |
| } |
| } |