Mercurial Hosting > luan
diff src/luan/interp/ExpressionsExpr.java @ 11:b7d7069fee58
add assignment statement and CmdLine
git-svn-id: https://luan-java.googlecode.com/svn/trunk@12 21e917c8-12df-6dd8-5cb6-c86387c605b9
author | fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9> |
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date | Thu, 22 Nov 2012 10:51:56 +0000 |
parents | |
children | 3b22ffbdb83a |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/luan/interp/ExpressionsExpr.java Thu Nov 22 10:51:56 2012 +0000 @@ -0,0 +1,20 @@ +package luan.interp; + +import java.util.List; +import luan.Lua; +import luan.LuaException; +import luan.LuaState; + + +final class ExpressionsExpr implements Expr { + private final Expressions expressions; + + ExpressionsExpr(Expressions expressions) { + this.expressions = expressions; + } + + @Override public Object eval(LuaState lua) throws LuaException { + List list = expressions.eval(lua); + return list.isEmpty() ? null : list.get(0); + } +}