/**
* Copyright 2009, Google Inc. All rights reserved.
* Licensed to PSF under a Contributor Agreement.
*/
package org.python.indexer.ast;
import org.python.indexer.Indexer;
import org.python.indexer.NBinding;
import org.python.indexer.Scope;
import org.python.indexer.types.NType;
import org.python.indexer.types.NUnknownType;
import java.util.List;
public class NGlobal extends NNode {
static final long serialVersionUID = 5978320165592263568L;
public List<NName> names;
public NGlobal(List<NName> names) {
this(names, 0, 1);
}
public NGlobal(List<NName> names, int start, int end) {
super(start, end);
this.names = names;
addChildren(names);
}
@Override
public NType resolve(Scope s) throws Exception {
Scope moduleTable = s.getGlobalTable();
for (NName name : names) {
if (s.isGlobalName(name.id)) {
continue; // already bound by this (or another) global stmt
}
s.addGlobalName(name.id);
NBinding b = moduleTable.lookup(name);
if (b == null) {
b = moduleTable.put(name.id, null, new NUnknownType(), NBinding.Kind.SCOPE);
}
Indexer.idx.putLocation(name, b);
}
return getType();
}
@Override
public String toString() {
return "<Global:" + names + ">";
}
@Override
public void visit(NNodeVisitor v) {
if (v.visit(this)) {
visitNodeList(names, v);
}
}
}