comparison core/src/luan/impl/FnCall.java @ 404:d55e873e1f0d

metatables now only apply to tables
author Franklin Schmidt <fschmidt@gmail.com>
date Wed, 29 Apr 2015 07:04:40 -0600
parents 3dcb0f9bee82
children 8fbb961aabd5
comparison
equal deleted inserted replaced
403:637f7ad85654 404:d55e873e1f0d
2 2
3 import luan.Luan; 3 import luan.Luan;
4 import luan.LuanFunction; 4 import luan.LuanFunction;
5 import luan.LuanException; 5 import luan.LuanException;
6 import luan.LuanSource; 6 import luan.LuanSource;
7 import luan.LuanTable;
7 8
8 9
9 final class FnCall extends CodeImpl implements Expressions { 10 final class FnCall extends CodeImpl implements Expressions {
10 final Expr fnExpr; 11 final Expr fnExpr;
11 final Expressions args; 12 final Expressions args;
25 private Object call(LuanStateImpl luan,Object o) throws LuanException { 26 private Object call(LuanStateImpl luan,Object o) throws LuanException {
26 if( o instanceof LuanFunction ) { 27 if( o instanceof LuanFunction ) {
27 LuanFunction fn = (LuanFunction)o; 28 LuanFunction fn = (LuanFunction)o;
28 return luan.bit(se).call( fn, fnName, Luan.array(args.eval(luan)) ); 29 return luan.bit(se).call( fn, fnName, Luan.array(args.eval(luan)) );
29 } 30 }
30 Object h = luan.getHandler("__call",o); 31 if( o instanceof LuanTable ) {
31 if( h != null ) 32 Object h = luan.getHandler("__call",(LuanTable)o);
32 return call(luan,h); 33 if( h != null )
34 return call(luan,h);
35 }
33 throw luan.bit(fnExpr.se()).exception( "attempt to call '"+fnExpr.se().text()+"' (a " + Luan.type(o) + " value)" ); 36 throw luan.bit(fnExpr.se()).exception( "attempt to call '"+fnExpr.se().text()+"' (a " + Luan.type(o) + " value)" );
34 } 37 }
35 38
36 @Override public String toString() { 39 @Override public String toString() {
37 return "(FnCall "+fnName+" "+fnExpr+" "+args+")"; 40 return "(FnCall "+fnName+" "+fnExpr+" "+args+")";