bool tree_sitter_mozjs_external_scanner_scan()

in tree-sitter-mozjs/src/scanner.c [333:364]

• 27 lines of code
• 15 McCabe index (conditional complexity)

bool tree_sitter_mozjs_external_scanner_scan(void *payload, TSLexer *lexer, const bool *valid_symbols) {
    if (valid_symbols[TEMPLATE_CHARS]) {
        if (valid_symbols[AUTOMATIC_SEMICOLON]) {
            return false;
        }
        return scan_template_chars(lexer);
    }

    if (valid_symbols[JSX_TEXT] && scan_jsx_text(lexer)) {
        return true;
    }

    if (valid_symbols[AUTOMATIC_SEMICOLON]) {
        bool scanned_comment = false;
        bool ret = scan_automatic_semicolon(lexer, !valid_symbols[LOGICAL_OR], &scanned_comment);
        if (!ret && !scanned_comment && valid_symbols[TERNARY_QMARK] && lexer->lookahead == '?') {
            return scan_ternary_qmark(lexer);
        }
        return ret;
    }

    if (valid_symbols[TERNARY_QMARK]) {
        return scan_ternary_qmark(lexer);
    }

    if (valid_symbols[HTML_COMMENT] && !valid_symbols[LOGICAL_OR] && !valid_symbols[ESCAPE_SEQUENCE] &&
        !valid_symbols[REGEX_PATTERN]) {
        return scan_html_comment(lexer);
    }

    return false;
}