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Java > Open Source Codes > org > aspectj > compiler > crosscuts > joinpoints > CallJp


1 /* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2  *
3  * This file is part of the compiler and core tools for the AspectJ(tm)
4  * programming language; see http://aspectj.org
5  *
6  * The contents of this file are subject to the Mozilla Public License
7  * Version 1.1 (the "License"); you may not use this file except in
8  * compliance with the License. You may obtain a copy of the License at
9  * either http://www.mozilla.org/MPL/ or http://aspectj.org/MPL/.
10  *
11  * Software distributed under the License is distributed on an "AS IS" basis,
12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13  * for the specific language governing rights and limitations under the
14  * License.
15  *
16  * The Original Code is AspectJ.
17  *
18  * The Initial Developer of the Original Code is Xerox Corporation. Portions
19  * created by Xerox Corporation are Copyright (C) 1999-2002 Xerox Corporation.
20  * All Rights Reserved.
21  *
22  * Contributor(s):
23  */
24 package org.aspectj.compiler.crosscuts.joinpoints;
25
26 import org.aspectj.compiler.base.ast.*;
27 import org.aspectj.compiler.crosscuts.ast.*;
28
29 import org.aspectj.compiler.base.JavaCompiler;
30 import org.aspectj.util.JavaStrings;
31
32 import java.util.*;
33
34
35 public abstract class CallJp extends ExprJp {
36     private Formals codeFormals = null;
37     protected Exprs argValues;
38     protected Exprs innerArgs;
39
40     public CallJp(AnyCallExpr callExpr, JoinPoint enclosingJp) {
41         super(callExpr, enclosingJp);
42     }
43
44     public Dec getTargetDec() { return getCalledCodeDec(); }
45
46     public AnyCallExpr getCallExpr() { return (AnyCallExpr)expr; }
47
48     public Exprs makeArgsExprs() {
49         getCodeFormals();
50         return (Exprs)CopyWalker.copy(argValues); //getArgsFormals().makeExprs();
51 }
52     
53     public abstract Type getTargetType();
54     public abstract Type getTargetExprType();
55     public abstract boolean isMethodCall();
56
57     public CodeDec getCalledCodeDec() {
58         return getCallExpr().getCodeDec();
59     }
60
61     public boolean canThrow(Type t) { return getCalledCodeDec().canThrow(t); }
62     public Collection getPossibleCheckedExceptions() {
63         return getCalledCodeDec().getPossibleCheckedExceptions();
64     }
65
66     public Formals getCodeFormals() {
67         if (codeFormals == null) {
68             final AST ast = getAST();
69             codeFormals = ast.makeFormals();
70             argValues = ast.makeExprs();
71             innerArgs = ast.makeExprs();
72
73             Formals calledFormals = getCalledCodeDec().getFormals();
74             final int N = calledFormals.size();
75             for (int i = 0; i < N; i++) {
76                 FormalDec formal =
77                         ast.makeFinalFormal(calledFormals.get(i).getType(),
78                                             calledFormals.get(i).getId());
79                 argValues.add(ast.makeVar(formal));
80                 codeFormals.add(formal);
81                 innerArgs.add(ast.makeVar(formal));
82             }
83         }
84         return codeFormals;
85     }
86
87     protected abstract ASTObject makeInnerCall(Expr targetExpr, Exprs argsExprs);
88
89     protected AnonymousMethodExpr makeSyntheticCall() {
90         return makeAnonMethodExpr(getCodeFormals(), getCallExpr().getExpr(),
91                                   getCallExpr().getArgs());
92     }
93 }
94
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