internal Tools(Inferrer <ClueSource, ClueConstant> inferrer, params ClueId[] clues)
{
_inferrer = inferrer;
_clues = clues.ToArray();
_vars = new Vars(inferrer._constraintFundeps);
_generator = new SymbolGenerator();
_ruleScope = _generator.CreateScope();
_userScopes = (from _ in clues select _generator.CreateScope()).ToArray();
PreconditionsSatisfied = false;
Error = null;
}
// OPTIMIZATION: Use heap.
// We use a sortedset instead of a queue because lower clue IDs can't depend on greater clue IDs
// This handily avoids Painter's Algorithm issues *and* deduplicates IDs! Magic.
public Inferrer(FunctionalDependencies fundeps)
{
_clueIdGen = new SymbolGenerator();
_constraintFundeps = fundeps;
_clueKind = new Dictionary <ClueId, atom>();
_clueSource = new Dictionary <ClueId, ClueSource>();
_clueConstant = new Dictionary <ClueId, ClueConstant>();
_clueDependsOn = new Dictionary <ClueId, ClueId[]>();
_cluesDependingOn = new Dictionary <ClueId, HashSet <ClueId> >();
_clueBestKnownType = new Dictionary <ClueId, free <type> >();
_clueErrors = new Dictionary <ClueId, List <InferenceError> >();
_cluesToUpdate = new SortedSet <ClueId>(new ClueIdComparer());
_rules = new List <InferenceRule <ClueConstant> >();
}
internal Scope(SymbolGenerator generator)
{
_generator = generator;
_alreadyAssignedCount = new Dictionary <atom, int>();
_alreadyAssignedAbs = new Dictionary <atom, int>();
}