1/*
2 * Copyright (c) 2001, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25package sun.jvm.hotspot.debugger.cdbg.basic;
26
27import java.util.*;
28import sun.jvm.hotspot.debugger.*;
29import sun.jvm.hotspot.debugger.cdbg.*;
30
31public class BasicFunctionType extends BasicType implements FunctionType {
32  private Type returnType;
33  private List argumentTypes;
34
35  public BasicFunctionType(String name, int size, Type returnType) {
36    this(name, size, returnType, 0);
37  }
38
39  protected BasicFunctionType(String name, int size, Type returnType, int cvAttributes) {
40    super(name, size, cvAttributes);
41    this.returnType = returnType;
42  }
43
44  public FunctionType asFunction()   { return this; }
45
46  public Type getReturnType()        { return returnType; }
47
48  public int  getNumArguments()      { return ((argumentTypes == null) ? 0 : argumentTypes.size()); }
49  public Type getArgumentType(int i) {
50    return (Type) argumentTypes.get(i);
51  }
52  public void addArgumentType(Type t) {
53    if (argumentTypes == null) {
54      argumentTypes = new ArrayList();
55    }
56    argumentTypes.add(t);
57  }
58
59  Type resolveTypes(BasicCDebugInfoDataBase db, ResolveListener listener) {
60    super.resolveTypes(db, listener);
61    returnType = db.resolveType(this, returnType, listener, "resolving function return type");
62    if (argumentTypes != null) {
63      for (ListIterator iter = argumentTypes.listIterator(); iter.hasNext(); ) {
64        iter.set(db.resolveType(this, (Type) iter.next(), listener, "resolving function argument types"));
65      }
66    }
67    return this;
68  }
69
70  public void iterateObject(Address a, ObjectVisitor v, FieldIdentifier f) {
71    // FIXME: nothing to do here? Are we going to provide iteration
72    // mechanisms through member functions, and if so what are the
73    // types of those functions going to be?
74  }
75
76  protected Type createCVVariant(int cvAttributes) {
77    BasicFunctionType t = new BasicFunctionType(getName(), getSize(), getReturnType(), cvAttributes);
78    t.argumentTypes = argumentTypes;
79    return t;
80  }
81
82  public void visit(TypeVisitor v) {
83    v.doFunctionType(this);
84  }
85}
86