01: /*
02: $Id: Variable.java 3419 2006-01-19 00:07:02Z blackdrag $
03:
04: Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
05:
06: Redistribution and use of this software and associated documentation
07: ("Software"), with or without modification, are permitted provided
08: that the following conditions are met:
09:
10: 1. Redistributions of source code must retain copyright
11: statements and notices. Redistributions must also contain a
12: copy of this document.
13:
14: 2. Redistributions in binary form must reproduce the
15: above copyright notice, this list of conditions and the
16: following disclaimer in the documentation and/or other
17: materials provided with the distribution.
18:
19: 3. The name "groovy" must not be used to endorse or promote
20: products derived from this Software without prior written
21: permission of The Codehaus. For written permission,
22: please contact info@codehaus.org.
23:
24: 4. Products derived from this Software may not be called "groovy"
25: nor may "groovy" appear in their names without prior written
26: permission of The Codehaus. "groovy" is a registered
27: trademark of The Codehaus.
28:
29: 5. Due credit should be given to The Codehaus -
30: http://groovy.codehaus.org/
31:
32: THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS
33: ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
34: NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
35: FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
36: THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
37: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
38: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
39: SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
40: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
41: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
42: ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
43: OF THE POSSIBILITY OF SUCH DAMAGE.
44:
45: */
46: package org.codehaus.groovy.ast;
47:
48: import org.codehaus.groovy.ast.expr.Expression;
49:
50: /**
51: * interface to mark a AstNode as Variable. Typically these are
52: * VariableExpression, FieldNode, PropertyNode and Parameter
53: *
54: * @author Jochen Theodorou
55: */
56: public interface Variable {
57:
58: /**
59: * the type of the variable
60: */
61: public ClassNode getType();
62:
63: /**
64: * the name of the variable
65: */
66: public String getName();
67:
68: /**
69: * expression used to initialize the variable or null of there
70: * is no initialization.
71: */
72: public Expression getInitialExpression();
73:
74: /**
75: * returns true if there is an initialization expression
76: */
77: public boolean hasInitialExpression();
78:
79: /**
80: * returns true if this variable is used in a static context.
81: * A static context is any static initializer block, when this variable
82: * is declared as static or when this variable is used in a static method
83: */
84: public boolean isInStaticContext();
85:
86: public boolean isDynamicTyped();
87:
88: public boolean isClosureSharedVariable();
89:
90: public void setClosureSharedVariable(boolean inClosure);
91:
92: }
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