Mercurial Hosting > luan
diff src/luan/interp/IfStmt.java @ 14:2ddf85634d20
whitespace handling;
comments;
if/while/repeat statements;
git-svn-id: https://luan-java.googlecode.com/svn/trunk@15 21e917c8-12df-6dd8-5cb6-c86387c605b9
| author | fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9> |
|---|---|
| date | Mon, 26 Nov 2012 10:18:46 +0000 |
| parents | |
| children | 2446c1755d9b |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/luan/interp/IfStmt.java Mon Nov 26 10:18:46 2012 +0000 @@ -0,0 +1,26 @@ +package luan.interp; + +import luan.Lua; +import luan.LuaState; +import luan.LuaException; + + +final class IfStmt implements Stmt { + private final Expr cnd; + private final Stmt thenStmt; + private final Stmt elseStmt; + + IfStmt(Expr cnd,Stmt thenStmt,Stmt elseStmt) { + this.cnd = cnd; + this.thenStmt = thenStmt; + this.elseStmt = elseStmt; + } + + @Override public void eval(LuaState lua) throws LuaException { + if( Lua.toBoolean( cnd.eval(lua) ) ) { + thenStmt.eval(lua); + } else { + elseStmt.eval(lua); + } + } +}