private void selectionOnVariable(ModuleDeclaration parsedUnit, VariableReference e) {
String name = e.getName();
if (name.startsWith("@")) { // $NON-NLS-1$
IField[] fields =
RubyModelUtils.findFields(mixinModel, sourceModule, parsedUnit, name, e.sourceStart());
addArrayToCollection(fields, selectionElements);
} else {
/*
* local vars (legacy, saved for speed reasons: we don't need to use
* mixin model for local vars)
*/
ASTNode parentScope = null;
for (int i = wayToNode.length; --i >= 0; ) {
final ASTNode node = wayToNode[i];
if (node instanceof MethodDeclaration
|| node instanceof TypeDeclaration
|| node instanceof ModuleDeclaration
|| node instanceof RubyForStatement2) {
parentScope = node;
break;
}
}
if (parentScope != null) {
RubyAssignment[] assignments =
RubyTypeInferencingUtils.findLocalVariableAssignments(parentScope, e, name);
if (assignments.length > 0) {
final ASTNode left = assignments[0].getLeft();
selectionElements.add(createLocalVariable(name, left.sourceStart(), left.sourceEnd()));
} else {
selectionElements.add(createLocalVariable(name, e.sourceStart(), e.sourceEnd()));
}
}
}
}
private void handleVariableReference(VariableReference ref) {
final String varName = ref.getName();
if (varName.length() != 0) {
if (varName.charAt(0) == '$') {
requestor.addPosition(ref.sourceStart(), ref.sourceEnd(), HL_GLOBAL_VARIABLE);
} else if (varName.charAt(0) == '@') {
if (varName.length() > 2 && varName.charAt(1) == '@') {
requestor.addPosition(ref.sourceStart(), ref.sourceEnd(), HL_CLASS_VARIABLE);
} else {
requestor.addPosition(ref.sourceStart(), ref.sourceEnd(), HL_INSTANCE_VARIABLE);
}
} else {
requestor.addPosition(ref.sourceStart(), ref.sourceEnd(), HL_LOCAL_VARIABLE);
}
}
}