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1 /*
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2 * Copyright 2001 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 package sun.jvm.hotspot.runtime;
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26
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27 import sun.jvm.hotspot.oops.*;
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28
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29 public abstract class SignatureInfo extends SignatureIterator {
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30 protected boolean hasIterated; // need this because iterate cannot be called in constructor (set is virtual!)
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31 protected int size;
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32 protected int type; // BasicType
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33
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34 protected void lazyIterate() {
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35 if (!hasIterated) {
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36 iterate();
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37 hasIterated = true;
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38 }
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39 }
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40
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41 protected abstract void set(int size, int /*BasicType*/ type);
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42
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43 public void doBool() { set(BasicTypeSize.getTBooleanSize(), BasicType.getTBoolean()); }
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44 public void doChar() { set(BasicTypeSize.getTCharSize(), BasicType.getTChar()); }
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45 public void doFloat() { set(BasicTypeSize.getTFloatSize(), BasicType.getTFloat()); }
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46 public void doDouble() { set(BasicTypeSize.getTDoubleSize(), BasicType.getTDouble()); }
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47 public void doByte() { set(BasicTypeSize.getTByteSize(), BasicType.getTByte()); }
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48 public void doShort() { set(BasicTypeSize.getTShortSize(), BasicType.getTShort()); }
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49 public void doInt() { set(BasicTypeSize.getTIntSize(), BasicType.getTInt()); }
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50 public void doLong() { set(BasicTypeSize.getTLongSize(), BasicType.getTLong()); }
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51 public void doVoid() { set(BasicTypeSize.getTVoidSize(), BasicType.getTVoid()); }
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52 public void doObject(int begin, int end) { set(BasicTypeSize.getTObjectSize(), BasicType.getTObject()); }
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53 public void doArray(int begin, int end) { set(BasicTypeSize.getTArraySize(), BasicType.getTArray()); }
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54
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55 public SignatureInfo(Symbol signature) {
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56 super(signature);
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57
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58 type = BasicType.getTIllegal();
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59 }
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60
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61 public int size() { lazyIterate(); return size; }
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62 public int type() { lazyIterate(); return type; }
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63 }
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