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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * particular file as subject to the "Classpath" exception as provided
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 * 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,
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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.
/** * 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
/** * Constructor */
public ArrayExpression(long where, Expression args[]) { super(ARRAY, where, Type.tError, null, args); }
Check expression type
/** * Check expression type */
public Vset checkValue(Environment env, Context ctx, Vset vset, Hashtable<Object, Object> exp) { env.error(where, "invalid.array.expr"); return vset; } public Vset checkInitializer(Environment env, Context ctx, Vset vset, Type t, Hashtable<Object, Object> 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
/** * 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
/** * Code */
public void codeValue(Environment env, Context ctx, Assembler asm) { int t = 0; asm.add(where, opc_ldc, args.length); switch (type.getElementType().getTypeCode()) { case TC_BOOLEAN: asm.add(where, opc_newarray, T_BOOLEAN); break; case TC_BYTE: asm.add(where, opc_newarray, T_BYTE); break; case TC_SHORT: asm.add(where, opc_newarray, T_SHORT); break; case TC_CHAR: asm.add(where, opc_newarray, T_CHAR); break; case TC_INT: asm.add(where, opc_newarray, T_INT); break; case TC_LONG: asm.add(where, opc_newarray, T_LONG); break; case TC_FLOAT: asm.add(where, opc_newarray, T_FLOAT); break; case TC_DOUBLE: asm.add(where, opc_newarray, 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, 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()); } } } }