Examples with Scope mb.nabl2.scopegraph.terms.Scope used on opensource projects

Example 6 with Scope

use of mb.nabl2.scopegraph.terms.Scope in project nabl by metaborg.

the class NameResolutionComponent method solve.

// ------------------------------------------------------------------------------------------------------//
private Optional<SolveResult> solve(CResolve r) {
    final ITerm refTerm = unifier().findRecursive(r.getReference());
    if (!refTerm.isGround()) {
        return Optional.empty();
    }
    final Occurrence ref = Occurrence.matcher().match(refTerm, unifier()).orElseThrow(() -> new TypeException("Expected an occurrence as first argument to " + r));
    final Optional<java.util.Set<IResolutionPath<Scope, Label, Occurrence>>> maybePathsAndDeps = nameResolution.resolve(ref);
    if (!maybePathsAndDeps.isPresent()) {
        return Optional.empty();
    }
    final java.util.Set<IResolutionPath<Scope, Label, Occurrence>> paths = maybePathsAndDeps.get();
    final List<Occurrence> declarations = Paths.resolutionPathsToDecls(paths);
    final Multimap<String, String> deps = HashMultimap.create();
    deps.putAll(ref.getIndex().getResource(), declarations.stream().map(d -> d.getIndex().getResource()).collect(Collectors.toSet()));
    final SolveResult result;
    switch(declarations.size()) {
        case 0:
            {
                IMessageInfo message = r.getMessageInfo().withDefaultContent(MessageContent.builder().append(ref).append(" does not resolve.").build());
                result = SolveResult.messages(message);
                break;
            }
        case 1:
            {
                final Occurrence decl = declarations.get(0);
                result = SolveResult.constraints(ImmutableCEqual.of(r.getDeclaration(), decl, r.getMessageInfo()));
                break;
            }
        default:
            {
                IMessageInfo message = r.getMessageInfo().withDefaultContent(MessageContent.builder().append("Resolution of ").append(ref).append(" is ambiguous.").build());
                result = SolveResult.messages(message);
                break;
            }
    }
    return Optional.of(ImmutableSolveResult.copyOf(result).withDependencies(deps));
}

Example 7 with Scope

use of mb.nabl2.scopegraph.terms.Scope in project nabl by metaborg.

the class NameResolutionComponent method solve.

private Optional<SolveResult> solve(CAssoc a) {
    final ITerm declTerm = unifier().findRecursive(a.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 " + a));
    final Label label = a.getLabel();
    final List<Scope> scopes = Lists.newArrayList(scopeGraph.getExportEdges().get(decl, label));
    final SolveResult result;
    switch(scopes.size()) {
        case 0:
            {
                IMessageInfo message = a.getMessageInfo().withDefaultContent(MessageContent.builder().append(decl).append(" has no ").append(label).append(" associated scope.").build());
                result = SolveResult.messages(message);
                break;
            }
        case 1:
            {
                result = SolveResult.constraints(ImmutableCEqual.of(a.getScope(), scopes.get(0), a.getMessageInfo()));
                break;
            }
        default:
            {
                IMessageInfo message = a.getMessageInfo().withDefaultContent(MessageContent.builder().append(decl).append(" has multiple ").append(label).append(" associated scope.").build());
                result = SolveResult.messages(message);
                break;
            }
    }
    return Optional.of(result);
}

Example 8 with Scope

use of mb.nabl2.scopegraph.terms.Scope in project nabl by metaborg.

the class ScopeGraphComponent method solve.

private boolean solve(CGImportEdge c) {
    ITerm scopeRep = unifier().findRecursive(c.getScope());
    if (!scopeRep.isGround()) {
        return false;
    }
    Scope scope = Scope.matcher().match(scopeRep, unifier()).orElseThrow(() -> new TypeException("Expected a scope but got " + scopeRep));
    return findOccurrence(c.getReference()).map(ref -> {
        scopeGraph.addImportEdge(scope, c.getLabel(), ref);
        return true;
    }).orElseGet(() -> {
        scopeGraph.addIncompleteImportEdge(scope, c.getLabel(), c.getReference());
        return true;
    });
}

Example 9 with Scope

use of mb.nabl2.scopegraph.terms.Scope in project nabl by metaborg.

the class ScopeGraphComponent method solve.

// ------------------------------------------------------------------------------------------------------//
private boolean solve(CGDecl c) {
    final ITerm scopeTerm = unifier().findRecursive(c.getScope());
    final ITerm declTerm = unifier().findRecursive(c.getDeclaration());
    if (!(scopeTerm.isGround() && declTerm.isGround())) {
        return false;
    }
    Scope scope = Scope.matcher().match(scopeTerm, unifier()).orElseThrow(() -> new TypeException("Expected a scope as first agument to " + c));
    Occurrence decl = Occurrence.matcher().match(declTerm, unifier()).orElseThrow(() -> new TypeException("Expected an occurrence as second argument to " + c));
    scopeGraph.addDecl(scope, decl);
    return true;
}

Example 10 with Scope

use of mb.nabl2.scopegraph.terms.Scope in project nabl by metaborg.

the class ScopeGraphComponent method solve.

private boolean solve(CGExportEdge c) {
    ITerm scopeTerm = unifier().findRecursive(c.getScope());
    ITerm declTerm = unifier().findRecursive(c.getDeclaration());
    if (!(scopeTerm.isGround() && declTerm.isGround())) {
        return false;
    }
    Scope scope = Scope.matcher().match(scopeTerm, unifier()).orElseThrow(() -> new TypeException("Expected a scope as third argument to " + c));
    Occurrence decl = Occurrence.matcher().match(declTerm, unifier()).orElseThrow(() -> new TypeException("Expected an occurrence as first argument to " + c));
    scopeGraph.addExportEdge(decl, c.getLabel(), scope);
    return true;
}