Function searchFunctionSegment

src/tools/quark-engine.ts:144–175

* Find a specific function in the segment of the given text document. * @param doc The text document from source code file. * @param functionName a string of the function name * @return The function start-line and end-line, return false if not found.

(
    doc: vscode.TextDocument,
    functionName: string,
)

 * @return The function start-line and end-line, return false if not found.
 */
function searchFunctionSegment(
    doc: vscode.TextDocument,
    functionName: string,
): number[] | false {
    const lineCount = doc.lineCount;
    let foundMethod = false;

    let startLine = -1;
    let endLine = -1;

    for (let lineNumber = 0; lineNumber < lineCount; lineNumber++) {
        const lineText = doc.lineAt(lineNumber);

        if (
            lineText.text.includes(functionName) &&
            lineText.text.includes(".method")
        ) {
            startLine = lineNumber;
            foundMethod = true;
        }

        if (foundMethod && lineText.text.includes(".end method")) {
            endLine = lineNumber;
            foundMethod = false;
        }
    }
    if ((startLine == -1 && endLine == -1) || startLine >= endLine) {
        return false;
    }

    return [startLine, endLine];
}

/**
 * Search the position where API called in the given document segment.