Mercurial Hosting > luan
changeset 101:8ebcccca13ab
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 |
parents | 6c827f7275df |
children | 90b918cbf888 |
files | src/luan/interp/TryStmt.java |
diffstat | 1 files changed, 30 insertions(+), 0 deletions(-) [+] |
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diff -r 6c827f7275df -r 8ebcccca13ab src/luan/interp/TryStmt.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/luan/interp/TryStmt.java Mon Jun 10 23:07:25 2013 +0000 @@ -0,0 +1,30 @@ +package luan.interp; + +import luan.Luan; +import luan.LuanException; + + +final class TryStmt implements Stmt { + private final Stmt tryBlock; + private final int iExceptionVar; + private final Stmt catchBlock; + + TryStmt(Stmt tryBlock,int iExceptionVar,Stmt catchBlock) { + this.tryBlock = tryBlock; + this.iExceptionVar = iExceptionVar; + this.catchBlock = catchBlock; + } + + @Override public void eval(LuanStateImpl luan) throws LuanException { + try { + tryBlock.eval(luan); + } catch(LuanException e) { + try { + luan.stackSet( iExceptionVar, e ); + catchBlock.eval(luan); + } finally { + luan.stackClear(iExceptionVar,iExceptionVar+1); + } + } + } +}