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)
| 1162 | */ |
| 1163 | |
| 1164 | public Object getAttribute(InstanceScope scope, String name) { |
| 1165 | InstanceScope current = scope; |
| 1166 | while ( current!=null ) { |
| 1167 | ST p = current.st; |
| 1168 | FormalArgument localArg = null; |
| 1169 | if ( p.impl.formalArguments!=null ) localArg = p.impl.formalArguments.get(name); |
| 1170 | if ( localArg!=null ) { |
| 1171 | Object o = p.locals[localArg.index]; |
| 1172 | return o; |
| 1173 | } |
| 1174 | current = current.parent; // look up enclosing scope chain |
| 1175 | } |
| 1176 | // got to root scope and no definition, try dictionaries in group and up |
| 1177 | final ST self = scope.st; |
| 1178 | STGroup g = self.impl.nativeGroup; |
| 1179 | Object o = getDictionary(g, name); |
| 1180 | if ( o!=null ) return o; |
| 1181 | |
| 1182 | // not found, report unknown attr |
| 1183 | throw new STNoSuchAttributeException(name, scope); |
| 1184 | } |
| 1185 | |
| 1186 | public Object getDictionary(STGroup g, String name) { |
| 1187 | if ( g.isDictionary(name) ) { |
no test coverage detected