public Expand getExpand(PExpand declaration) {
if (declaration == null) {
throw new InternalException("declaration may not be null");
}
Expand expand = getGlobalIndex().getExpand(declaration, this);
if (expand.getEnclosingMacro() != this) {
throw new InternalError("getExpand must be called on its enclosing macro");
}
ExpandSignature signature = expand.getSignature();
this.expandSignatures.add(signature);
for (Macro macro : signature.getMacroSet()) {
this.explicitlyExpandedMacros.add(macro);
macro.addCaller(this);
}
return expand;
}
