Examples with CoverageData org.graalvm.tools.lsp.server.utils.CoverageData used on opensource projects

Example 6 with CoverageData

use of org.graalvm.tools.lsp.server.utils.CoverageData in project graal by oracle.

the class CompletionRequestHandler method fillCompletionsWithGlobalsAndLocals.

private void fillCompletionsWithGlobalsAndLocals(int line, TextDocumentSurrogate surrogate, int column, List<CompletionItem> completions) {
    Node nearestNode = findNearestNode(surrogate.getSourceWrapper(), line, column);
    if (nearestNode == null) {
        // Cannot locate a valid node near the caret position, therefore provide globals only
        fillCompletionsWithGlobals(surrogate, completions);
        return;
    }
    if (!surrogate.hasCoverageData()) {
        // No coverage data, so we simply display locals without specific frame information and
        // globals
        fillCompletionsWithLocals(surrogate, nearestNode, completions, null);
        fillCompletionsWithGlobals(surrogate, completions);
        return;
    }
    // We have coverage data, so we try to derive locals from coverage data
    List<CoverageData> coverages = surrogate.getCoverageData(nearestNode.getSourceSection());
    if (coverages == null || coverages.isEmpty()) {
        coverages = SourceCodeEvaluator.findCoverageDataBeforeNode(surrogate, nearestNode);
    }
    if (coverages != null && !coverages.isEmpty()) {
        CoverageData coverageData = coverages.get(coverages.size() - 1);
        MaterializedFrame frame = coverageData.getFrame();
        fillCompletionsWithLocals(surrogate, nearestNode, completions, frame);
        // Call again, regardless if it was called with a frame argument before,
        // because duplicates will be filter, but it will add missing local
        // variables which were dropped (because of null values) in the call above
        fillCompletionsWithLocals(surrogate, nearestNode, completions, null);
        fillCompletionsWithGlobals(surrogate, completions);
    } else {
        // No coverage data found for the designated source section, so use the default look-up
        // as fallback
        fillCompletionsWithGlobals(surrogate, completions);
        fillCompletionsWithLocals(surrogate, nearestNode, completions, null);
    }
}