Examples with HybridInterpreter org.strategoxt.HybridInterpreter used on opensource projects

Example 21 with HybridInterpreter

use of org.strategoxt.HybridInterpreter in project spoofax by metaborg.

the class JSGLRCompletionService method optionalCompletions.

public Collection<ICompletion> optionalCompletions(Iterable<IStrategoTerm> optionals, boolean blankLineCompletion, String languageName, ILanguageComponent component, FileObject location) throws MetaborgException {
    Collection<ICompletion> completions = Lists.newLinkedList();
    final ITermFactory termFactory = termFactoryService.get(component, null, false);
    for (IStrategoTerm optional : optionals) {
        ImploderAttachment attachment = optional.getAttachment(ImploderAttachment.TYPE);
        String sort = attachment.getSort().substring(0, attachment.getSort().length());
        String placeholderName = sort + "-Plhdr";
        IStrategoAppl optionalPlaceholder = termFactory.makeAppl(termFactory.makeConstructor(placeholderName, 0));
        final IStrategoTerm strategoInput = termFactory.makeTuple(termFactory.makeString(sort), optional, optionalPlaceholder);
        // call Stratego part of the framework to compute change
        final HybridInterpreter runtime = strategoRuntimeService.runtime(component, location, false);
        final IStrategoTerm proposalsOptional = strategoCommon.invoke(runtime, strategoInput, "get-proposals-optional-" + languageName);
        if (proposalsOptional == null) {
            logger.error("Getting proposals for {} failed", strategoInput);
            continue;
        }
        for (IStrategoTerm proposalTerm : proposalsOptional) {
            if (!(proposalTerm instanceof IStrategoTuple)) {
                logger.error("Unexpected proposal term {}, skipping", proposalTerm);
                continue;
            }
            final IStrategoTuple tuple = (IStrategoTuple) proposalTerm;
            if (tuple.getSubtermCount() != 4 || !(tuple.getSubterm(0) instanceof IStrategoString) || !(tuple.getSubterm(1) instanceof IStrategoString) || !(tuple.getSubterm(2) instanceof IStrategoString) || !(tuple.getSubterm(3) instanceof IStrategoAppl)) {
                logger.error("Unexpected proposal term {}, skipping", proposalTerm);
                continue;
            }
            final String name = Tools.asJavaString(tuple.getSubterm(0));
            final String text = Tools.asJavaString(tuple.getSubterm(1));
            final String additionalInfo = Tools.asJavaString(tuple.getSubterm(2));
            final StrategoAppl change = (StrategoAppl) tuple.getSubterm(3);
            if (change.getConstructor().getName().contains("REPLACE_TERM")) {
                final ICompletion completion = createCompletionReplaceTerm(name, text, additionalInfo, change, blankLineCompletion, "", "");
                if (completion == null) {
                    logger.error("Unexpected proposal term {}, skipping", proposalTerm);
                    continue;
                }
                completions.add(completion);
            }
        }
    }
    return completions;
}

Example 22 with HybridInterpreter

use of org.strategoxt.HybridInterpreter in project spoofax by metaborg.

the class JSGLRCompletionService method completionEmptyProgram.

public Collection<? extends ICompletion> completionEmptyProgram(Iterable<String> startSymbols, int endOffset, ILanguageImpl language, FileObject location) throws MetaborgException {
    Collection<ICompletion> completions = Lists.newLinkedList();
    final String languageName = language.belongsTo().name();
    for (ILanguageComponent component : language.components()) {
        // call Stratego part of the framework to compute change
        final HybridInterpreter runtime = strategoRuntimeService.runtime(component, location, false);
        final ITermFactory termFactory = termFactoryService.get(component, null, false);
        for (String startSymbol : startSymbols) {
            String placeholderName = startSymbol + "-Plhdr";
            IStrategoAppl placeholder = termFactory.makeAppl(termFactory.makeConstructor(placeholderName, 0));
            IStrategoTuple input = termFactory.makeTuple(termFactory.makeString(startSymbol), placeholder);
            final IStrategoTerm proposalsPlaceholder = strategoCommon.invoke(runtime, input, "get-proposals-empty-program-" + languageName);
            if (proposalsPlaceholder == null) {
                logger.error("Getting proposals for {} failed", placeholder);
                continue;
            }
            for (IStrategoTerm proposalTerm : proposalsPlaceholder) {
                if (!(proposalTerm instanceof IStrategoTuple)) {
                    logger.error("Unexpected proposal term {}, skipping", proposalTerm);
                    continue;
                }
                final IStrategoTuple tuple = (IStrategoTuple) proposalTerm;
                if (tuple.getSubtermCount() != 2 || !(tuple.getSubterm(0) instanceof IStrategoString) || !(tuple.getSubterm(1) instanceof IStrategoString)) {
                    logger.error("Unexpected proposal term {}, skipping", proposalTerm);
                    continue;
                }
                final String name = Tools.asJavaString(tuple.getSubterm(0));
                final String text = Tools.asJavaString(tuple.getSubterm(1));
                final String additionalInfo = Tools.asJavaString(tuple.getSubterm(1));
                completions.add(new Completion(name, startSymbol, text, additionalInfo, 0, endOffset, CompletionKind.expansion));
            }
        }
    }
    return completions;
}

Example 23 with HybridInterpreter

use of org.strategoxt.HybridInterpreter in project spoofax by metaborg.

the class JSGLRCompletionService method completionErroneousPrograms.

public Collection<ICompletion> completionErroneousPrograms(int cursorPosition, Iterable<IStrategoTerm> completionTerms, ISpoofaxParseUnit completionParseResult) throws MetaborgException {
    final FileObject location = completionParseResult.source();
    final ILanguageImpl language = completionParseResult.input().langImpl();
    final String languageName = language.belongsTo().name();
    final Collection<ICompletion> completions = Lists.newLinkedList();
    final Collection<IStrategoTerm> proposalsTerm = Lists.newLinkedList();
    for (ILanguageComponent component : language.components()) {
        final ITermFactory termFactory = termFactoryService.get(component, null, false);
        for (IStrategoTerm completionTerm : completionTerms) {
            IStrategoTerm completionAst = completionParseResult.ast();
            final StrategoTerm topMostAmb = findTopMostAmbNode((StrategoTerm) completionTerm);
            if (ImploderAttachment.get(completionTerm).isSinglePlaceholderCompletion()) {
                Collection<IStrategoTerm> placeholders = Lists.newLinkedList();
                placeholders.addAll(findPlaceholderTerms(completionTerm));
                if (placeholders.size() != 1) {
                    logger.error("Getting proposals for {} failed", completionTerm);
                    continue;
                }
                IStrategoAppl placeholderTerm = (IStrategoAppl) Iterables.get(placeholders, 0);
                IStrategoAppl placeholder = termFactory.makeAppl(termFactory.makeConstructor(placeholderTerm.getConstructor().getName(), 0));
                IStrategoTerm parenthesized = parenthesizeTerm(completionTerm, termFactory);
                final IStrategoTerm inputStratego = termFactory.makeTuple(termFactory.makeString(ImploderAttachment.getElementSort(parenthesized)), completionAst, completionTerm, topMostAmb, parenthesized, placeholder, placeholderTerm);
                final HybridInterpreter runtime = strategoRuntimeService.runtime(component, location, false);
                final IStrategoTerm proposalTerm = strategoCommon.invoke(runtime, inputStratego, "get-proposals-incorrect-programs-single-placeholder-" + languageName);
                if (proposalTerm == null || !(proposalTerm instanceof IStrategoList)) {
                    logger.error("Getting proposals for {} failed", completionTerm);
                    continue;
                }
                for (IStrategoTerm proposalPlaceholder : proposalTerm) {
                    proposalsTerm.add(proposalPlaceholder);
                }
            } else {
                IStrategoTerm parenthesized = parenthesizeTerm(completionTerm, termFactory);
                final IStrategoTerm inputStratego = termFactory.makeTuple(termFactory.makeString(ImploderAttachment.getElementSort(parenthesized)), completionAst, completionTerm, topMostAmb, parenthesized);
                final HybridInterpreter runtime = strategoRuntimeService.runtime(component, location, false);
                final IStrategoTerm proposalTerm = strategoCommon.invoke(runtime, inputStratego, "get-proposals-incorrect-programs-" + languageName);
                if (proposalTerm == null) {
                    logger.error("Getting proposals for {} failed", completionTerm);
                    continue;
                }
                proposalsTerm.add(proposalTerm);
            }
        }
        for (IStrategoTerm proposalTerm : proposalsTerm) {
            if (!(proposalTerm instanceof IStrategoTuple)) {
                logger.error("Unexpected proposal term {}, skipping", proposalTerm);
                continue;
            }
            final IStrategoTuple tuple = (IStrategoTuple) proposalTerm;
            if (tuple.getSubtermCount() != 6 || !(tuple.getSubterm(0) instanceof IStrategoString) || !(tuple.getSubterm(1) instanceof IStrategoString) || !(tuple.getSubterm(2) instanceof IStrategoString) || !(tuple.getSubterm(3) instanceof IStrategoAppl) || (tuple.getSubterm(4) == null) || !(tuple.getSubterm(5) instanceof IStrategoString)) {
                logger.error("Unexpected proposal term {}, skipping", proposalTerm);
                continue;
            }
            final String name = Tools.asJavaString(tuple.getSubterm(0));
            String text = Tools.asJavaString(tuple.getSubterm(1));
            String additionalInfo = Tools.asJavaString(tuple.getSubterm(2));
            final StrategoAppl change = (StrategoAppl) tuple.getSubterm(3);
            final StrategoTerm completionTerm = (StrategoTerm) tuple.getSubterm(4);
            final String completionKind = Tools.asJavaString(tuple.getSubterm(5));
            String prefix = calculatePrefix(cursorPosition, completionTerm);
            String suffix = calculateSuffix(cursorPosition, completionTerm);
            // if the change is inserting at the end of a list
            if (change.getConstructor().getName().contains("INSERT_AT_END")) {
                // calls a different method because now, the program has errors that should be fixed
                final ICompletion completion = createCompletionInsertAtEndFixing(name, text, additionalInfo, prefix, suffix, change, completionKind);
                if (completion == null) {
                    logger.error("Unexpected proposal term {}, skipping", proposalTerm);
                    continue;
                }
                completions.add(completion);
            } else if (change.getConstructor().getName().contains("INSERT_BEFORE")) {
                final ICompletion completion = createCompletionInsertBeforeFixing(name, text, additionalInfo, prefix, suffix, change, completionKind);
                if (completion == null) {
                    logger.error("Unexpected proposal term {}, skipping", proposalTerm);
                    continue;
                }
                completions.add(completion);
            } else if (change.getConstructor().getName().contains("INSERTION_TERM")) {
                final ICompletion completion = createCompletionInsertionTermFixing(name, text, additionalInfo, prefix, suffix, change, completionKind);
                if (completion == null) {
                    logger.error("Unexpected proposal term {}, skipping", proposalTerm);
                    continue;
                }
                completions.add(completion);
            } else if (change.getConstructor().getName().contains("REPLACE_TERM")) {
                final ICompletion completion = createCompletionReplaceTermFixing(name, text, additionalInfo, prefix, suffix, change, completionKind);
                if (completion == null) {
                    logger.error("Unexpected proposal term {}, skipping", proposalTerm);
                    continue;
                }
                completions.add(completion);
            }
        }
    }
    return completions;
}

Example 24 with HybridInterpreter

use of org.strategoxt.HybridInterpreter in project spoofax by metaborg.

the class HoverService method hover.

@Override
public Hover hover(int offset, ISpoofaxAnalyzeUnit result) throws MetaborgException {
    if (!result.valid() || !result.hasAst()) {
        return null;
    }
    final FileObject source = result.source();
    final IContext context = result.context();
    final ILanguageImpl language = context.language();
    final FacetContribution<HoverFacet> facetContrib = facet(language);
    final HoverFacet facet = facetContrib.facet;
    final String strategy = facet.strategyName;
    try {
        final IProject project = context.project();
        final ITermFactory termFactory = termFactoryService.get(facetContrib.contributor, project, true);
        final HybridInterpreter interpreter = strategoRuntimeService.runtime(facetContrib.contributor, context, true);
        final Iterable<IStrategoTerm> inRegion = tracingService.fragments(result, new SourceRegion(offset));
        final TermWithRegion tuple;
        try (IClosableLock lock = context.read()) {
            tuple = common.outputs(termFactory, interpreter, context.location(), source, result.ast(), inRegion, strategy);
        }
        return hover(tuple);
    } catch (MetaborgException e) {
        throw new MetaborgException("Getting hover tooltip information failed unexpectedly", e);
    }
}

Example 25 with HybridInterpreter

use of org.strategoxt.HybridInterpreter in project spoofax by metaborg.

the class ResolverService method resolve.

@Override
public Resolution resolve(int offset, ISpoofaxParseUnit result) throws MetaborgException {
    if (!result.valid()) {
        return null;
    }
    final FileObject source = result.source();
    final IProject project = projectService.get(source);
    final ILanguageImpl langImpl = result.input().langImpl();
    @Nullable IContext context;
    if (project == null) {
        context = null;
    } else {
        try {
            context = contextService.get(source, project, langImpl);
        } catch (ContextException | MetaborgRuntimeException e) {
            // Failed to get a context, ignore and use the source file to get a stratego runtime later.
            context = null;
        }
    }
    final FacetContribution<ResolverFacet> facetContrib = facet(langImpl);
    final ResolverFacet facet = facetContrib.facet;
    final ILanguageComponent contributor = facetContrib.contributor;
    final String strategy = facet.strategyName;
    try {
        final ITermFactory termFactory = termFactoryService.get(contributor, project, true);
        final HybridInterpreter interpreter;
        if (context == null) {
            interpreter = strategoRuntimeService.runtime(contributor, source, true);
        } else {
            interpreter = strategoRuntimeService.runtime(contributor, context, true);
        }
        final Iterable<IStrategoTerm> inRegion = tracingService.fragments(result, new SourceRegion(offset));
        final TermWithRegion tuple = common.outputs(termFactory, interpreter, source, source, result.ast(), inRegion, strategy);
        return resolve(tuple);
    } catch (MetaborgException e) {
        throw new MetaborgException("Reference resolution failed", e);
    }
}