Examples with CompletionItem org.graalvm.tools.lsp.server.types.CompletionItem used on opensource projects

Example 6 with CompletionItem

use of org.graalvm.tools.lsp.server.types.CompletionItem in project graal by oracle.

the class CompletionRequestHandler method fillCompletionsWithScopesValues.

private void fillCompletionsWithScopesValues(TextDocumentSurrogate surrogate, List<CompletionItem> completions, Object scopeOriginal, CompletionItemKind completionItemKindDefault, int displayPriority) {
    LanguageInfo langInfo = surrogate.getLanguageInfo();
    String[] existingCompletions = completions.stream().map((item) -> item.getLabel()).toArray(String[]::new);
    // Filter duplicates
    Set<String> completionKeys = new HashSet<>(Arrays.asList(existingCompletions));
    int scopeCounter = 0;
    Object scope = scopeOriginal;
    while (scope != null) {
        Object scopeParent = null;
        if (INTEROP.hasScopeParent(scope)) {
            try {
                scopeParent = INTEROP.getScopeParent(scope);
            } catch (UnsupportedMessageException e) {
                throw CompilerDirectives.shouldNotReachHere(e);
            }
        }
        ++scopeCounter;
        Object keys;
        long size;
        try {
            keys = INTEROP.getMembers(scope, false);
            size = INTEROP.getArraySize(keys);
            if (scopeParent != null) {
                size -= INTEROP.getArraySize(INTEROP.getMembers(scopeParent, false));
            }
        } catch (Exception ex) {
            logger.log(Level.INFO, ex.getLocalizedMessage(), ex);
            break;
        }
        for (long i = 0; i < size; i++) {
            String key;
            Object object;
            try {
                key = INTEROP.asString(INTEROP.readArrayElement(keys, i));
                if (completionKeys.contains(key)) {
                    // keys and only take those from the most inner scope
                    continue;
                } else {
                    completionKeys.add(key);
                }
                object = INTEROP.readMember(scope, key);
            } catch (ThreadDeath td) {
                throw td;
            } catch (Throwable t) {
                logger.log(Level.CONFIG, scope.toString(), t);
                continue;
            }
            CompletionItem completion = CompletionItem.create(key);
            // Inner scopes should be displayed first, so sort by priority and scopeCounter
            // (the innermost scope has the lowest counter)
            completion.setSortText(String.format("%s%d.%04d.%s", "+", displayPriority, scopeCounter, key));
            if (completionItemKindDefault != null) {
                completion.setKind(completionItemKindDefault);
            } else {
                completion.setKind(findCompletionItemKind(object));
            }
            completion.setDetail(createCompletionDetail(object, langInfo));
            try {
                completion.setDocumentation(createDocumentation(object, surrogate.getLanguageInfo(), "in " + INTEROP.asString(INTEROP.toDisplayString(scope))));
            } catch (UnsupportedMessageException e) {
                throw CompilerDirectives.shouldNotReachHere(e);
            }
            completions.add(completion);
        }
        scope = scopeParent;
    }
}