@Override
public <U extends IValue> Result<U> fieldAccess(String name, TypeStore store) {
IConstructor tree = getValue();
if (TreeAdapter.isAppl(tree)) {
int found = -1;
IConstructor foundType = null;
IConstructor prod = TreeAdapter.getProduction(tree);
if (!ProductionAdapter.isRegular(prod)) {
IList syms = ProductionAdapter.getSymbols(prod);
// TODO: find deeper into optionals, checking the actual arguments for presence/absence of
// optional trees.
for (int i = 0; i < syms.length(); i++) {
IConstructor sym = (IConstructor) syms.get(i);
while (SymbolAdapter.isConditional(sym)) {
sym = SymbolAdapter.getSymbol(sym);
}
if (SymbolAdapter.isLabel(sym)) {
if (SymbolAdapter.getLabel(sym).equals(name)) {
found = i;
foundType = SymbolAdapter.delabel(sym);
}
}
}
if (found != -1) {
Type nont = RascalTypeFactory.getInstance().nonTerminalType(foundType);
IValue child = TreeAdapter.getArgs(tree).get(found);
return makeResult(nont, child, ctx);
}
}
}
if (tree.getConstructorType().hasField(name)) {
return makeResult(tree.getConstructorType().getFieldType(name), tree.get(name), ctx);
}
throw RuntimeExceptionFactory.noSuchField(name, ctx.getCurrentAST(), ctx.getStackTrace());
}
public String getDescription() {
return ((IString) error.get("description")).getValue();
}
public IList getSubjects() {
return (IList) error.get("subjects");
}
private IValue desugarChildren(IConstructor o) throws E {
for (int i = 0; i < o.arity(); i++) {
o = o.set(i, o.get(i).accept(this));
}
return fVisitor.visitConstructor(o);
}