Examples with SolveResult mb.nabl2.solver.ISolver.SolveResult used on opensource projects

Example 11 with SolveResult

use of mb.nabl2.solver.ISolver.SolveResult in project nabl by metaborg.

the class BaseMultiFileSolver method solveIntra.

public ISolution solveIntra(GraphSolution initial, Collection<ITermVar> intfVars, @Nullable Collection<Scope> intfScopes, Function1<String, String> fresh, ICancel cancel, IProgress progress) throws SolverException, InterruptedException {
    final SolverConfig config = initial.config();
    // shared
    final Ref<IUnifier.Immutable> unifier = new Ref<>(initial.unifier());
    // constraint set properties
    final ActiveVars activeVars = new ActiveVars(unifier);
    intfVars.stream().forEach(activeVars::add);
    // guards -- intfScopes == null indicates we do not know the interface scopes, and resolution should be delayed.
    final Predicate2<Scope, Label> isEdgeClosed = (s, l) -> intfScopes != null && !intfScopes.contains(s);
    // more shared
    final IEsopScopeGraph.Transient<Scope, Label, Occurrence, ITerm> scopeGraph = initial.scopeGraph().melt();
    final IEsopNameResolution<Scope, Label, Occurrence> nameResolution = EsopNameResolution.of(config.getResolutionParams(), scopeGraph, isEdgeClosed);
    // solver components
    final SolverCore core = new SolverCore(config, unifier, fresh, callExternal);
    final BaseComponent baseSolver = new BaseComponent(core);
    final EqualityComponent equalitySolver = new EqualityComponent(core, unifier);
    final NameResolutionComponent nameResolutionSolver = new NameResolutionComponent(core, scopeGraph, nameResolution, Properties.Transient.of());
    final NameSetsComponent nameSetSolver = new NameSetsComponent(core, scopeGraph, nameResolution);
    final PolymorphismComponent polySolver = new PolymorphismComponent(core, Predicate1.never(), Predicate1.never(), nameResolutionSolver::getProperty);
    final RelationComponent relationSolver = new RelationComponent(core, Predicate1.never(), config.getFunctions(), VariantRelations.transientOf(config.getRelations()));
    final SetComponent setSolver = new SetComponent(core, nameSetSolver.nameSets());
    final SymbolicComponent symSolver = new SymbolicComponent(core, SymbolicConstraints.of());
    final ControlFlowComponent cfgSolver = new ControlFlowComponent(core, ImmutableFlowSpecSolution.of());
    final ISolver component = c -> c.matchOrThrow(IConstraint.CheckedCases.<Optional<SolveResult>, InterruptedException>builder().onBase(baseSolver::solve).onEquality(equalitySolver::solve).onNameResolution(nameResolutionSolver::solve).onPoly(polySolver::solve).onRelation(relationSolver::solve).onSet(setSolver::solve).onSym(symSolver::solve).onControlflow(cfgSolver::solve).otherwise(ISolver.deny("Not allowed in this phase")));
    final FixedPointSolver solver = new FixedPointSolver(cancel, progress, component, Iterables2.from(activeVars));
    solver.step().subscribe(r -> {
        if (!r.unifierDiff().isEmpty()) {
            try {
                nameResolutionSolver.update();
            } catch (InterruptedException ex) {
            // ignore here
            }
        }
    });
    try {
        nameResolutionSolver.update();
        final SolveResult solveResult = solver.solve(initial.constraints());
        NameResolutionResult nameResolutionResult = nameResolutionSolver.finish();
        IUnifier.Immutable unifierResult = equalitySolver.finish();
        Map<String, IVariantRelation.Immutable<ITerm>> relationResult = relationSolver.finish();
        ISymbolicConstraints symbolicConstraints = symSolver.finish();
        IFlowSpecSolution<CFGNode> fsSolution = cfgSolver.finish();
        return ImmutableSolution.of(config, initial.astProperties(), nameResolutionResult.scopeGraph(), nameResolutionResult.declProperties(), relationResult, unifierResult, symbolicConstraints, fsSolution, solveResult.messages(), solveResult.constraints()).withNameResolutionCache(nameResolutionResult.resolutionCache());
    } catch (RuntimeException ex) {
        throw new SolverException("Internal solver error.", ex);
    }
}

Example 12 with SolveResult

use of mb.nabl2.solver.ISolver.SolveResult in project nabl by metaborg.

the class BaseSolver method solveGraph.

public GraphSolution solveGraph(BaseSolution initial, Function1<String, String> fresh, ICancel cancel, IProgress progress) throws SolverException, InterruptedException {
    // shared
    final Ref<IUnifier.Immutable> unifier = new Ref<>(initial.unifier());
    final IEsopScopeGraph.Transient<Scope, Label, Occurrence, ITerm> scopeGraph = EsopScopeGraph.Transient.of();
    // solver components
    final SolverCore core = new SolverCore(initial.config(), unifier, fresh, callExternal);
    final AstComponent astSolver = new AstComponent(core, Properties.Transient.of());
    final BaseComponent baseSolver = new BaseComponent(core);
    final EqualityComponent equalitySolver = new EqualityComponent(core, unifier);
    final ScopeGraphComponent scopeGraphSolver = new ScopeGraphComponent(core, scopeGraph);
    try {
        ISolver component = c -> c.matchOrThrow(IConstraint.CheckedCases.<Optional<SolveResult>, InterruptedException>builder().onAst(astSolver::solve).onBase(baseSolver::solve).onEquality(equalitySolver::solve).onScopeGraph(scopeGraphSolver::solve).otherwise(cc -> Optional.empty()));
        final FixedPointSolver solver = new FixedPointSolver(cancel, progress, component, Iterables2.empty());
        final SolveResult solveResult = solver.solve(initial.constraints());
        return ImmutableGraphSolution.of(initial.config(), astSolver.finish(), scopeGraphSolver.finish(), equalitySolver.finish(), solveResult.messages(), solveResult.constraints());
    } catch (RuntimeException ex) {
        throw new SolverException("Internal solver error.", ex);
    }
}

Example 13 with SolveResult

use of mb.nabl2.solver.ISolver.SolveResult in project nabl by metaborg.

the class SemiIncrementalMultiFileSolver method solveInter.

public ISolution solveInter(ISolution initial, Iterable<? extends ISolution> unitSolutions, IMessageInfo message, Function1<String, String> fresh, ICancel cancel, IProgress progress) throws SolverException, InterruptedException {
    final SolverConfig config = initial.config();
    // shared
    final Ref<IUnifier.Immutable> unifier = new Ref<>(initial.unifier());
    final IEsopScopeGraph.Transient<Scope, Label, Occurrence, ITerm> scopeGraph = initial.scopeGraph().melt();
    final IEsopNameResolution<Scope, Label, Occurrence> nameResolution = EsopNameResolution.of(config.getResolutionParams(), scopeGraph, (s, l) -> true);
    // constraint set properties
    final ActiveVars activeVars = new ActiveVars(unifier);
    final ActiveDeclTypes activeDeclTypes = new ActiveDeclTypes(unifier);
    final HasRelationBuildConstraints hasRelationBuildConstraints = new HasRelationBuildConstraints();
    // guards
    final Predicate1<String> isRelationComplete = r -> !hasRelationBuildConstraints.contains(r);
    // solver components
    final SolverCore core = new SolverCore(config, unifier, fresh, callExternal);
    final AstComponent astSolver = new AstComponent(core, initial.astProperties().melt());
    final BaseComponent baseSolver = new BaseComponent(core);
    final EqualityComponent equalitySolver = new EqualityComponent(core, unifier);
    final NameResolutionComponent nameResolutionSolver = new NameResolutionComponent(core, scopeGraph, nameResolution, initial.declProperties().melt());
    final NameSetsComponent nameSetSolver = new NameSetsComponent(core, scopeGraph, nameResolution);
    final RelationComponent relationSolver = new RelationComponent(core, isRelationComplete, config.getFunctions(), VariantRelations.melt(initial.relations()));
    final SetComponent setSolver = new SetComponent(core, nameSetSolver.nameSets());
    final SymbolicComponent symSolver = new SymbolicComponent(core, initial.symbolic());
    final ControlFlowComponent cfgSolver = new ControlFlowComponent(core, ImmutableFlowSpecSolution.of());
    final PolySafe polySafe = new PolySafe(activeVars, activeDeclTypes, nameResolutionSolver);
    final PolymorphismComponent polySolver = new PolymorphismComponent(core, polySafe::isGenSafe, polySafe::isInstSafe, nameResolutionSolver::getProperty);
    final ISolver component = c -> c.matchOrThrow(IConstraint.CheckedCases.<Optional<SolveResult>, InterruptedException>builder().onBase(baseSolver::solve).onEquality(equalitySolver::solve).onNameResolution(nameResolutionSolver::solve).onPoly(polySolver::solve).onRelation(relationSolver::solve).onSet(setSolver::solve).onSym(symSolver::solve).onControlflow(cfgSolver::solve).otherwise(ISolver.deny("Not allowed in this phase")));
    final FixedPointSolver solver = new FixedPointSolver(cancel, progress, component, Iterables2.from(activeVars, hasRelationBuildConstraints));
    solver.step().subscribe(r -> {
        if (!r.unifierDiff().isEmpty()) {
            try {
                nameResolutionSolver.update();
            } catch (InterruptedException ex) {
            // ignore here
            }
        }
    });
    try {
        // seed unit solutions
        final java.util.Set<IConstraint> constraints = Sets.newHashSet(initial.constraints());
        final IMessages.Transient messages = initial.messages().melt();
        for (ISolution unitSolution : unitSolutions) {
            seed(astSolver.seed(unitSolution.astProperties(), message), messages, constraints);
            seed(equalitySolver.seed(unitSolution.unifier(), message), messages, constraints);
            final NameResolutionResult nameResult = ImmutableNameResolutionResult.of(unitSolution.scopeGraph(), unitSolution.declProperties()).withResolutionCache(unitSolution.nameResolutionCache());
            seed(nameResolutionSolver.seed(nameResult, message), messages, constraints);
            seed(relationSolver.seed(unitSolution.relations(), message), messages, constraints);
            seed(symSolver.seed(unitSolution.symbolic(), message), messages, constraints);
            seed(cfgSolver.seed(unitSolution.flowSpecSolution(), message), messages, constraints);
            constraints.addAll(unitSolution.constraints());
            messages.addAll(unitSolution.messages());
        }
        // solve constraints
        nameResolutionSolver.update();
        SolveResult solveResult = solver.solve(constraints);
        messages.addAll(solveResult.messages());
        // build result
        IProperties.Immutable<TermIndex, ITerm, ITerm> astResult = astSolver.finish();
        NameResolutionResult nameResolutionResult = nameResolutionSolver.finish();
        IUnifier.Immutable unifierResult = equalitySolver.finish();
        Map<String, IVariantRelation.Immutable<ITerm>> relationResult = relationSolver.finish();
        ISymbolicConstraints symbolicConstraints = symSolver.finish();
        IFlowSpecSolution<CFGNode> fsSolution = cfgSolver.finish();
        return ImmutableSolution.of(config, astResult, nameResolutionResult.scopeGraph(), nameResolutionResult.declProperties(), relationResult, unifierResult, symbolicConstraints, fsSolution, messages.freeze(), solveResult.constraints()).withNameResolutionCache(nameResolutionResult.resolutionCache());
    } catch (RuntimeException ex) {
        throw new SolverException("Internal solver error.", ex);
    }
}

Example 14 with SolveResult

use of mb.nabl2.solver.ISolver.SolveResult in project nabl by metaborg.

the class NameResolutionComponent method solve.

private Optional<SolveResult> solve(CDeclProperty c) {
    final ITerm declTerm = unifier().findRecursive(c.getDeclaration());
    if (!declTerm.isGround()) {
        return Optional.empty();
    }
    final Occurrence decl = Occurrence.matcher().match(declTerm, unifier()).orElseThrow(() -> new TypeException("Expected an occurrence as first argument to " + c));
    final SolveResult result = putProperty(decl, c.getKey(), c.getValue(), c.getMessageInfo()).map(cc -> SolveResult.constraints(cc)).orElseGet(() -> SolveResult.empty());
    return Optional.of(result);
}

Example 15 with SolveResult

use of mb.nabl2.solver.ISolver.SolveResult in project nabl by metaborg.

the class PolymorphismComponent method solve.

// ------------------------------------------------------------------------------------------------------//
private Optional<SolveResult> solve(CGeneralize gen) {
    final ITerm declTerm = unifier().findRecursive(gen.getDeclaration());
    if (!declTerm.isGround()) {
        return Optional.empty();
    }
    final Occurrence decl = Occurrence.matcher().match(declTerm, unifier()).orElseThrow(() -> new TypeException("Expected an occurrence as first argument to " + gen));
    final ITerm type = gen.getType();
    if (!isGenSafe.test(type)) {
        return Optional.empty();
    }
    // linked map to preserve key order
    final Map<ITermVar, TypeVar> subst = Maps.newLinkedHashMap();
    final ITerm scheme;
    {
        int c = 0;
        for (ITermVar var : type.getVars()) {
            subst.put(var, ImmutableTypeVar.of("T" + (++c)));
        }
        scheme = subst.isEmpty() ? type : ImmutableForall.of(subst.values(), subst(type, subst));
    }
    SolveResult result = SolveResult.constraints(// @formatter:off
    ImmutableCDeclProperty.of(decl, DeclProperties.TYPE_KEY, scheme, 0, gen.getMessageInfo()), ImmutableCEqual.of(gen.getGenVars(), B.newList(subst.keySet()), gen.getMessageInfo()));
    return Optional.of(result);
}