1 /* 2 * Copyright (c) 2005, 2015, 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 package jdk.test.lib.jittester.functions; 25 26 import java.util.Collection; 27 import java.util.LinkedList; 28 import java.util.List; 29 30 import jdk.test.lib.jittester.IRNode; 31 import jdk.test.lib.jittester.Symbol; 32 import jdk.test.lib.jittester.SymbolTable; 33 import jdk.test.lib.jittester.types.TypeKlass; 34 import jdk.test.lib.jittester.visitors.Visitor; 35 36 public class FunctionDefinition extends IRNode { 37 private final FunctionInfo functionInfo; 38 FunctionDefinition(FunctionInfo functionInfo, List<? extends ArgumentDeclaration> argumentsDeclaration, IRNode body, Return ret)39 public FunctionDefinition(FunctionInfo functionInfo, 40 List<? extends ArgumentDeclaration> argumentsDeclaration, IRNode body, Return ret) { 41 super(functionInfo.type); 42 this.functionInfo = functionInfo; 43 this.owner = functionInfo.owner; 44 addChild(body); 45 addChild(ret); 46 addChildren(argumentsDeclaration); 47 } 48 49 // get the list of all functions from all parents of the given class. getFuncsFromParents(TypeKlass typeKlass)50 public static Collection<Symbol> getFuncsFromParents(TypeKlass typeKlass) { 51 LinkedList<Symbol> result = new LinkedList<>(); 52 for (TypeKlass parent : typeKlass.getAllParents()) { 53 result.addAll(SymbolTable.getAllCombined(parent, FunctionInfo.class)); 54 } 55 return result; 56 } 57 58 // Check if the given function prototype f1 is a valid overload of 59 // prototypes in collection S. 60 // The override is invalid if function f1 has the same signature as 61 // function f2 in S, but has different return type. isInvalidOverride(FunctionInfo f1, Collection<Symbol> symbols)62 public static boolean isInvalidOverride(FunctionInfo f1, Collection<Symbol> symbols) { 63 for (Symbol symbol : symbols) { 64 FunctionInfo f2 = (FunctionInfo) symbol; 65 if (f1.hasEqualSignature(f2)) { 66 if (!f1.type.equals(f2.type)) { 67 return true; 68 } 69 if ((f2.flags & FunctionInfo.NONRECURSIVE) > 0 70 || ((f1.flags & FunctionInfo.ABSTRACT) > 0 && (f2.flags & FunctionInfo.ABSTRACT) == 0) 71 || (f1.flags & FunctionInfo.STATIC) != (f2.flags & FunctionInfo.STATIC) 72 || (f2.flags & FunctionInfo.FINAL) > 0 73 || (f1.flags & FunctionInfo.ACCESS_ATTRS_MASK) < (f2.flags & FunctionInfo.ACCESS_ATTRS_MASK)) { 74 return true; 75 } 76 } 77 } 78 return false; 79 } 80 81 @Override complexity()82 public long complexity() { 83 IRNode body = getChild(0); 84 IRNode ret = getChild(1); 85 return body.complexity() + (ret != null ? ret.complexity() : 0); 86 } 87 88 @Override accept(Visitor<T> v)89 public<T> T accept(Visitor<T> v) { 90 return v.visit(this); 91 } 92 getFunctionInfo()93 public FunctionInfo getFunctionInfo() { 94 return functionInfo; 95 } 96 } 97