1 /*
2 * ASExpressionStatement.java
3 *
4 * Copyright (c) 2007-2008 David Holroyd
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 package uk.co.badgersinfoil.metaas.dom;
20
21 /**
22 * A simple statement which evaluates an expression.
23 *
24 * <p>Instances can be created using {@link StatementContainer#newExprStmt(String)}:</p>
25 * <pre class="eg">ASExpressionStatement stmt = method.newExprStmt("trace(\"hello world\")");</pre>
26 * <p>Will result in the ActionScript code,</p>
27 * <pre class="eg">trace("hello world");</pre>
28 *
29 * @see StatementContainer#newExprStmt(Expression)
30 */
31 public interface ASExpressionStatement extends Statement {
32
33 /**
34 * Returns the expression this statement would evaluate when run.
35 */
36 public Expression getExpression();
37
38 /**
39 * Returns a string representation of the expression this statement
40 * would evaluate when run.
41 */
42 public String getExpressionString();
43
44 /**
45 * Changes the expression that this statement would evaluate when run.
46 *
47 * @throws SyntaxException if the given string is not a valid
48 * ActionScript expression.
49 */
50 public void setExpression(String expr);
51 }