Function getBracketCompletionItems

src/completions.ts:247–287

(document: vscode.TextDocument, position: vscode.Position, token: vscode.CancellationToken)

}

function getBracketCompletionItems(document: vscode.TextDocument, position: vscode.Position, token: vscode.CancellationToken): vscode.CompletionItem[] {
    const items: vscode.CompletionItem[] = [];
    let range: vscode.Range | undefined = new vscode.Range(new vscode.Position(position.line, 0), position);
    let expectOpenBrackets = 0;
    let symbol: string | undefined = undefined;

    while (range) {
        if (token.isCancellationRequested) { return []; }
        const text = document.getText(range);
        for (let i = text.length - 1; i >= 0; i -= 1) {
            const chr = text.charAt(i);
            if (chr === ']') {
                expectOpenBrackets += 1;
            } else if (chr === '[') {
                if (expectOpenBrackets === 0) {
                    const symbolPosition = new vscode.Position(range.start.line, i - 1);
                    const symbolRange = document.getWordRangeAtPosition(symbolPosition);
                    symbol = document.getText(symbolRange);
                    range = undefined;
                    break;
                } else {
                    expectOpenBrackets -= 1;
                }
            }
        }
        if (range?.start?.line !== undefined && range.start.line > 0) {
            range = document.lineAt(range.start.line - 1).range; // check previous line
        } else {
            range = undefined;
        }
    }

    if (!token.isCancellationRequested && symbol !== undefined) {
        const obj = session.workspaceData.globalenv[symbol];
        if (obj !== undefined && obj.names !== undefined) {
            const doc = new vscode.MarkdownString('Element of `' + symbol + '`');
            items.push(...getCompletionItems(obj.names, vscode.CompletionItemKind.Variable, '[session]', doc));
        }
    }
    return items;
}

function getPipelineCompletionItems(document: vscode.TextDocument, position: vscode.Position, token: vscode.CancellationToken): vscode.CompletionItem[] {
    const items: vscode.CompletionItem[] = [];