| /* |
| * 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.*; |
| 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 ArrayExpression extends NaryExpression { |
| /** |
| * Constructor |
| */ |
| public ArrayExpression(long where, Expression args[]) { |
| super(ARRAY, where, Type.tError, null, args); |
| } |
| |
| /** |
| * Check expression type |
| */ |
| public Vset checkValue(Environment env, Context ctx, Vset vset, Hashtable exp) { |
| env.error(where, "invalid.array.expr"); |
| return vset; |
| } |
| public Vset checkInitializer(Environment env, Context ctx, Vset vset, Type t, Hashtable exp) { |
| if (!t.isType(TC_ARRAY)) { |
| if (!t.isType(TC_ERROR)) { |
| env.error(where, "invalid.array.init", t); |
| } |
| return vset; |
| } |
| type = t; |
| t = t.getElementType(); |
| for (int i = 0 ; i < args.length ; i++) { |
| vset = args[i].checkInitializer(env, ctx, vset, t, exp); |
| args[i] = convert(env, ctx, t, args[i]); |
| } |
| return vset; |
| } |
| |
| /** |
| * Inline |
| */ |
| public Expression inline(Environment env, Context ctx) { |
| Expression e = null; |
| for (int i = 0 ; i < args.length ; i++) { |
| args[i] = args[i].inline(env, ctx); |
| if (args[i] != null) { |
| e = (e == null) ? args[i] : new CommaExpression(where, e, args[i]); |
| } |
| } |
| return e; |
| } |
| public Expression inlineValue(Environment env, Context ctx) { |
| for (int i = 0 ; i < args.length ; i++) { |
| args[i] = args[i].inlineValue(env, ctx); |
| } |
| return this; |
| } |
| |
| /** |
| * Code |
| */ |
| public void codeValue(Environment env, Context ctx, Assembler asm) { |
| int t = 0; |
| asm.add(where, opc_ldc, new Integer(args.length)); |
| 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"); |
| } |
| |
| for (int i = 0 ; i < args.length ; i++) { |
| |
| // If the array element is the default initial value, |
| // then don't bother generating code for this element. |
| if (args[i].equalsDefault()) continue; |
| |
| asm.add(where, opc_dup); |
| asm.add(where, opc_ldc, new Integer(i)); |
| args[i].codeValue(env, ctx, asm); |
| switch (type.getElementType().getTypeCode()) { |
| case TC_BOOLEAN: |
| case TC_BYTE: |
| asm.add(where, opc_bastore); |
| break; |
| case TC_CHAR: |
| asm.add(where, opc_castore); |
| break; |
| case TC_SHORT: |
| asm.add(where, opc_sastore); |
| break; |
| default: |
| asm.add(where, opc_iastore + type.getElementType().getTypeCodeOffset()); |
| } |
| } |
| } |
| } |