Mercurial Hosting > luan
diff core/src/luan/impl/Block.java @ 171:3dcb0f9bee82
add core component
git-svn-id: https://luan-java.googlecode.com/svn/trunk@172 21e917c8-12df-6dd8-5cb6-c86387c605b9
| author | fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9> |
|---|---|
| date | Sun, 22 Jun 2014 05:41:22 +0000 |
| parents | src/luan/impl/Block.java@4eaee12f6c65 |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/core/src/luan/impl/Block.java Sun Jun 22 05:41:22 2014 +0000 @@ -0,0 +1,29 @@ +package luan.impl; + +import luan.LuanException; + + +final class Block implements Stmt { + final Stmt[] stmts; + private final int stackStart; + private final int stackEnd; + + Block(Stmt[] stmts,int stackStart,int stackEnd) { + if( stmts.length==0 ) + throw new RuntimeException("empty block"); + this.stmts = stmts; + this.stackStart = stackStart; + this.stackEnd = stackEnd; + } + + @Override public void eval(LuanStateImpl luan) throws LuanException { + try { + for( Stmt stmt : stmts ) { + stmt.eval(luan); + } + } finally { + luan.stackClear(stackStart,stackEnd); + } + } + +}