Mercurial Hosting > luan
diff core/src/luan/impl/WhileStmt.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/WhileStmt.java@4eaee12f6c65 |
| children | b48cfa14ba60 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/core/src/luan/impl/WhileStmt.java Sun Jun 22 05:41:22 2014 +0000 @@ -0,0 +1,25 @@ +package luan.impl; + +import luan.Luan; +import luan.LuanException; +import luan.LuanSource; + + +final class WhileStmt extends CodeImpl implements Stmt { + private final Expr cnd; + private final Stmt doStmt; + + WhileStmt(LuanSource.Element se,Expr cnd,Stmt doStmt) { + super(se); + this.cnd = cnd; + this.doStmt = doStmt; + } + + @Override public void eval(LuanStateImpl luan) throws LuanException { + try { + while( luan.bit(se).checkBoolean( cnd.eval(luan) ) ) { + doStmt.eval(luan); + } + } catch(BreakException e) {} + } +}