1 /* 2 * Copyright (c) 2001, 2020, 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 25 package sun.jvm.hotspot.debugger.cdbg.basic; 26 27 import java.util.*; 28 import sun.jvm.hotspot.debugger.*; 29 import sun.jvm.hotspot.debugger.cdbg.*; 30 31 public class BasicFunctionType extends BasicType implements FunctionType { 32 private Type returnType; 33 private List<Type> argumentTypes; 34 BasicFunctionType(String name, int size, Type returnType)35 public BasicFunctionType(String name, int size, Type returnType) { 36 this(name, size, returnType, 0); 37 } 38 BasicFunctionType(String name, int size, Type returnType, int cvAttributes)39 protected BasicFunctionType(String name, int size, Type returnType, int cvAttributes) { 40 super(name, size, cvAttributes); 41 this.returnType = returnType; 42 } 43 asFunction()44 public FunctionType asFunction() { return this; } 45 getReturnType()46 public Type getReturnType() { return returnType; } 47 getNumArguments()48 public int getNumArguments() { return ((argumentTypes == null) ? 0 : argumentTypes.size()); } getArgumentType(int i)49 public Type getArgumentType(int i) { 50 return (Type) argumentTypes.get(i); 51 } addArgumentType(Type t)52 public void addArgumentType(Type t) { 53 if (argumentTypes == null) { 54 argumentTypes = new ArrayList<>(); 55 } 56 argumentTypes.add(t); 57 } 58 resolveTypes(BasicCDebugInfoDataBase db, ResolveListener listener)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<Type> iter = argumentTypes.listIterator(); iter.hasNext(); ) { 64 iter.set(db.resolveType(this, iter.next(), listener, "resolving function argument types")); 65 } 66 } 67 return this; 68 } 69 iterateObject(Address a, ObjectVisitor v, FieldIdentifier f)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 createCVVariant(int cvAttributes)76 protected Type createCVVariant(int cvAttributes) { 77 BasicFunctionType t = new BasicFunctionType(getName(), getSize(), getReturnType(), cvAttributes); 78 t.argumentTypes = argumentTypes; 79 return t; 80 } 81 visit(TypeVisitor v)82 public void visit(TypeVisitor v) { 83 v.doFunctionType(this); 84 } 85 } 86