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comparison src/luan/interp/TryStmt.java @ 101:8ebcccca13ab

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add missing TryStmt git-svn-id: https://luan-java.googlecode.com/svn/trunk@102 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Mon, 10 Jun 2013 23:07:25 +0000
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100:6c827f7275df 101:8ebcccca13ab
1 package luan.interp;
2
3 import luan.Luan;
4 import luan.LuanException;
5
6
7 final class TryStmt implements Stmt {
8 private final Stmt tryBlock;
9 private final int iExceptionVar;
10 private final Stmt catchBlock;
11
12 TryStmt(Stmt tryBlock,int iExceptionVar,Stmt catchBlock) {
13 this.tryBlock = tryBlock;
14 this.iExceptionVar = iExceptionVar;
15 this.catchBlock = catchBlock;
16 }
17
18 @Override public void eval(LuanStateImpl luan) throws LuanException {
19 try {
20 tryBlock.eval(luan);
21 } catch(LuanException e) {
22 try {
23 luan.stackSet( iExceptionVar, e );
24 catchBlock.eval(luan);
25 } finally {
26 luan.stackClear(iExceptionVar,iExceptionVar+1);
27 }
28 }
29 }
30 }