Find an attribute via dynamic scoping up enclosing scope chain. Only look for a dictionary definition if the attribute is not found, so attributes sent in to a template override dictionary names. Return ST#EMPTY_ATTR if found definition but no value.
(InstanceScope scope, String name)
| 1220 | */ |
| 1221 | |
| 1222 | public Object getAttribute(InstanceScope scope, String name) { |
| 1223 | InstanceScope current = scope; |
| 1224 | while ( current !=null ) { |
| 1225 | ST p = current.st; |
| 1226 | FormalArgument localArg = null; |
| 1227 | if ( p.impl.formalArguments!=null ) localArg = p.impl.formalArguments.get(name); |
| 1228 | if ( localArg !=null ) { |
| 1229 | Object o = p.locals[localArg.index]; |
| 1230 | return o; |
| 1231 | } |
| 1232 | current = current.parent; // look up enclosing scope chain |
| 1233 | } |
| 1234 | // got to root scope and no definition, try dictionaries in group and up |
| 1235 | final ST self = scope.st; |
| 1236 | STGroup g = self.impl.nativeGroup; |
| 1237 | Object o = getDictionary(g, name); |
| 1238 | if ( o !=null ) return o; |
| 1239 | |
| 1240 | // not found, report unknown attr |
| 1241 | throw new STNoSuchAttributeException(name, scope); |
| 1242 | } |
| 1243 | |
| 1244 | public Object getDictionary(STGroup g, String name) { |
| 1245 | if ( g.isDictionary(name) ) { |
no test coverage detected