static bool scan_html_comment()

in tree-sitter-mozjs/src/scanner.c [255:290]

• 31 lines of code
• 14 McCabe index (conditional complexity)

static bool scan_html_comment(TSLexer *lexer) {
    while (iswspace(lexer->lookahead) || lexer->lookahead == 0x2028 || lexer->lookahead == 0x2029) {
        skip(lexer);
    }

    const char *comment_start = "<!--";
    const char *comment_end = "-->";

    if (lexer->lookahead == '<') {
        for (unsigned i = 0; i < 4; i++) {
            if (lexer->lookahead != comment_start[i]) {
                return false;
            }
            advance(lexer);
        }
    } else if (lexer->lookahead == '-') {
        for (unsigned i = 0; i < 3; i++) {
            if (lexer->lookahead != comment_end[i]) {
                return false;
            }
            advance(lexer);
        }
    } else {
        return false;
    }

    while (lexer->lookahead != 0 && lexer->lookahead != '\n' && lexer->lookahead != 0x2028 &&
           lexer->lookahead != 0x2029) {
        advance(lexer);
    }

    lexer->result_symbol = HTML_COMMENT;
    lexer->mark_end(lexer);

    return true;
}