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view core/src/luan/impl/SetStmt.java @ 261:715c4a6e1169
simplify Io.stdin
git-svn-id: https://luan-java.googlecode.com/svn/trunk@262 21e917c8-12df-6dd8-5cb6-c86387c605b9
author | fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9> |
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date | Tue, 28 Oct 2014 23:36:29 +0000 |
parents | 3dcb0f9bee82 |
children |
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package luan.impl; import luan.Luan; import luan.LuanException; final class SetStmt implements Stmt { private final Settable[] vars; private final Expressions expressions; SetStmt(Settable var,Expr expr) { this( new Settable[]{var}, expr ); } SetStmt(Settable[] vars,Expressions expressions) { this.vars = vars; this.expressions = expressions; } @Override public void eval(LuanStateImpl luan) throws LuanException { final Object obj = expressions.eval(luan); if( obj instanceof Object[] ) { Object[] vals = (Object[])obj; for( int i=0; i<vars.length; i++ ) { Object val = i < vals.length ? vals[i] : null; vars[i].set(luan,val); } } else { vars[0].set(luan,obj); for( int i=1; i<vars.length; i++ ) { vars[i].set(luan,null); } } } }