module.exports = grammar({
name: "markdown",
externals: $ => [
$._eof,
$._lka,
$._thm_brk_bgn, $._thm_brk_end_mkr,
$._pgh_bgn_mkr, $._pgh_end_mkr,
$._lnk_ref_def_end_mkr,
$._stx_bgn_1,
$._stx_bgn_2, $._stx_end_mkr,
$._atx_bgn_1,
$._atx_bgn_2,
$._atx_bgn_3,
$._atx_bgn_4,
$._atx_bgn_5,
$._atx_bgn_6, $._atx_end_mkr,
$._ind_cod_bgn_pfx,
$._ind_cod_bgn_mkr, $._ind_cod_end_mkr,
$._fen_cod_ctn_bgn_mkr,
$._fen_cod_bgn, $._fen_cod_end, $._fen_cod_end_mkr,
$._htm_blk_scr_bgn_mkr, $._htm_blk_scr_end, $._htm_blk_scr_end_mkr,
$._htm_blk_cmt_bgn_mkr, $._htm_blk_cmt_end, $._htm_blk_cmt_end_mkr,
$._htm_blk_prc_bgn_mkr, $._htm_blk_prc_end, $._htm_blk_prc_end_mkr,
$._htm_blk_dcl_bgn_mkr, $._htm_blk_dcl_end, $._htm_blk_dcl_end_mkr,
$._htm_blk_cda_bgn_mkr, $._htm_blk_cda_end, $._htm_blk_cda_end_mkr,
$._htm_blk_div_bgn_mkr, $._htm_blk_div_end_mkr,
$._htm_blk_cmp_bgn_mkr, $._htm_blk_cmp_end_mkr,
$._bqt_bgn, $._bqt_end_mkr,
$._lst_bgn_mkr, $._lst_end_mkr,
$._lst_itm_bgn, $._lst_itm_end_mkr,
$._lst_itm_cnt_bgn_mkr, $._lst_itm_cnt_end_mkr,
$._tbl_hed_row_bgn_mkr,
$._tbl_dlm_row_bgn_mkr,
$._tbl_dat_row_bgn_mkr, $._tbl_row_end_mkr,
$._bsl_esc,
$._chr_ref,
$._emp_bgn, $._emp_end,
$._stg_bgn, $._stg_end,
$._del_bgn, $._del_end,
$._img_bgn,
$._lnk_bgn, $._lnk_end,
$._lnk_ref_def_bgn,
$._lnk_ref_def_cln,
$._lnk_inl_bgn, $._lnk_inl_end,
$._lnk_dst_bgn, $._lnk_dst_end,
$._lnk_dst_bgn_mkr, $._lnk_dst_end_mkr,
$._lnk_tit_bgn, $._lnk_tit_end,
$._lnk_ref_bgn, $._lnk_ref_end,
$._ext_www_aut_lnk_bgn_mkr,
$._ext_url_aut_lnk_bgn_mkr,
$._ext_eml_aut_lnk_bgn_mkr, $._ext_aut_lnk_end_mkr,
$._uri_aut_lnk_bgn,
$._eml_aut_lnk_bgn, $._aut_lnk_end,
$._cod_spn_bgn, $._cod_spn_end,
$._htm_opn_tag_bgn, $._htm_tag_end,
$._htm_cls_tag_bgn, $._htm_slf_tag_end,
$._htm_dcl_bgn,
$._htm_atr_eql,
$._htm_atr_val_bgn, $._htm_atr_val_end,
$._htm_atr_val_bgn_mkr, $._htm_atr_val_end_mkr,
$._htm_cmt_bgn, $._htm_cmt_end,
$._htm_prc_bgn, $._htm_prc_end,
$._htm_cda_bgn, $._htm_cda_end,
$._atx_end,
$._lst_chk_box,
$._tbl_col_sep,
$._tbl_col_aln,
$._fen_cod_inf_bgn_mkr, $._fen_cod_inf_end_mkr,
$._hrd_lbk,
$._sft_lbk,
$._blk_lbk,
$._bnk_lbk,
$._lit_lbk,
$._wsp,
$._txt_frg,
$._wrd,
$._vtr_spc,
],
conflicts: $ => [
[$._chk_box_pgh_ctn, $._chk_box_lik_stx_ctn], [$._fen_cod_ctn], ],
extras: $ => [$._lka, $._lit_lbk, $._wsp],
rules: {
document: $ => seq(repeat(choice($._blk_nod, $._bnk_lbk)), $._eof),
_blk_nod: $ => choice($._thm_brk, $._pgh, $._lnk_ref_def, $._stx, $._atx, $._ind_cod, $._fen_cod, $._htm_blk_scr, $._htm_blk_cmt, $._htm_blk_prc, $._htm_blk_dcl, $._htm_blk_cda, $._htm_blk_div, $._htm_blk_cmp, $._bqt, $._tig_lst, $._los_lst, $._tbl),
_thm_brk: $ => seq($._thm_brk_hed, $._thm_brk_end_mkr),
_thm_brk_hed: $ => $._thm_brk_bgn,
_pgh: $ => seq(alias($._pgh_hed, $.paragraph), $._pgh_end_mkr),
_pgh_hed: $ => seq($._pgh_bgn_mkr, repeat(choice($._inl_nod, $._inl_lbk))),
_lnk_ref_def: $ => seq($._lnk_ref_def_hed, $._lnk_ref_def_end_mkr),
_lnk_ref_def_hed: $ => seq($._pgh_bgn_mkr, $._lnk_ref_def_bgn, alias(repeat(choice($._txt, $._bsl_esc)), $.link_label), $._lnk_end, $._lnk_ref_def_cln, $._lnk_dst, optional($._lnk_tit)),
_stx: $ => seq($._stx_hed, $._stx_end_mkr),
_stx_bgn: $ => choice($._stx_bgn_1, $._stx_bgn_2),
_stx_hed: $ => seq(alias($._pgh_hed, $.heading_content), $._pgh_end_mkr, $._stx_bgn),
_atx: $ => seq($._atx_hed, $._atx_end_mkr),
_atx_bgn: $ => choice($._atx_bgn_1, $._atx_bgn_2, $._atx_bgn_3, $._atx_bgn_4, $._atx_bgn_5, $._atx_bgn_6),
_atx_hed: $ => seq($._atx_bgn, alias(repeat($._inl_nod), $.heading_content), optional($._atx_end)),
_ind_cod: $ => seq($._ind_cod_bgn_pfx, $._ind_cod_hed, $._ind_cod_end_mkr),
_ind_cod_hed: $ => seq($._ind_cod_bgn_mkr, repeat(choice($._vtr_spc, $._txt, $._blk_lbk))),
_fen_cod: $ => seq($._fen_cod_hed, $._fen_cod_end_mkr),
_fen_cod_hed: $ => seq(
$._fen_cod_bgn,
optional($._fen_cod_inf),
optional(seq($._blk_lbk, optional(alias($._fen_cod_ctn, $.code_fence_content)))),
optional(seq($._blk_lbk, $._fen_cod_end)),
),
_fen_cod_inf: $ => seq($._fen_cod_inf_bgn_mkr, alias(repeat(choice($._inl_txt)), $.info_string), $._fen_cod_inf_end_mkr),
_fen_cod_ctn: $ => seq($._fen_cod_ctn_bgn_mkr, repeat(choice($._vtr_spc, $._txt, $._blk_lbk))),
_htm_blk_scr: $ => seq($._htm_blk_scr_hed, $._htm_blk_scr_end_mkr),
_htm_blk_scr_hed: $ => seq($._htm_blk_scr_bgn_mkr, repeat(choice($._vtr_spc, $._txt, $._blk_lbk)), optional($._htm_blk_scr_end)),
_htm_blk_cmt: $ => seq($._htm_blk_cmt_hed, $._htm_blk_cmt_end_mkr),
_htm_blk_cmt_hed: $ => seq($._htm_blk_cmt_bgn_mkr, repeat(choice($._vtr_spc, $._txt, $._blk_lbk)), optional($._htm_blk_cmt_end)),
_htm_blk_prc: $ => seq($._htm_blk_prc_hed, $._htm_blk_prc_end_mkr),
_htm_blk_prc_hed: $ => seq($._htm_blk_prc_bgn_mkr, repeat(choice($._vtr_spc, $._txt, $._blk_lbk)), optional($._htm_blk_prc_end)),
_htm_blk_dcl: $ => seq($._htm_blk_dcl_hed, $._htm_blk_dcl_end_mkr),
_htm_blk_dcl_hed: $ => seq($._htm_blk_dcl_bgn_mkr, repeat(choice($._vtr_spc, $._txt, $._blk_lbk)), optional($._htm_blk_dcl_end)),
_htm_blk_cda: $ => seq($._htm_blk_cda_hed, $._htm_blk_cda_end_mkr),
_htm_blk_cda_hed: $ => seq($._htm_blk_cda_bgn_mkr, repeat(choice($._vtr_spc, $._txt, $._blk_lbk)), optional($._htm_blk_cda_end)),
_htm_blk_div: $ => seq($._htm_blk_div_hed, $._htm_blk_div_end_mkr),
_htm_blk_div_hed: $ => seq($._htm_blk_div_bgn_mkr, repeat(choice($._vtr_spc, $._txt, $._blk_lbk))),
_htm_blk_cmp: $ => seq($._htm_blk_cmp_hed, $._htm_blk_cmp_end_mkr),
_htm_blk_cmp_hed: $ => seq($._htm_blk_cmp_bgn_mkr, repeat(choice($._vtr_spc, $._txt, $._blk_lbk))),
_bqt: $ => seq($._bqt_hed, $._bqt_end_mkr),
_bqt_hed: $ => seq($._bqt_bgn, repeat(choice($._blk_nod, $._bnk_lbk))),
_tig_lst: $ => seq($._tig_lst_hed, $._lst_end_mkr),
_tig_lst_hed: $ => seq($._lst_bgn_mkr, repeat($._tig_lst_itm)),
_los_lst: $ => seq($._los_lst_hed, $._lst_end_mkr),
_los_lst_hed: $ => seq($._lst_bgn_mkr, repeat($._tig_lst_itm), choice($._bnk_lbk, $._los_lst_itm), repeat(choice($._tig_lst_itm, $._los_lst_itm, $._bnk_lbk))),
_tig_lst_itm: $ => seq(choice($._tig_lst_itm_hed, $._tig_chk_box_lst_itm_hed), $._lst_itm_cnt_end_mkr, $._lst_itm_end_mkr),
_tig_lst_itm_hed: $ => seq($._lst_itm_bgn, $._lst_itm_cnt_bgn_mkr, optional($._chk_box_lik_stx), repeat($._blk_nod)),
_tig_chk_box_lst_itm_hed: $ => seq($._lst_itm_bgn, $._lst_itm_cnt_bgn_mkr, $._chk_box_pgh, repeat($._blk_nod)),
_los_lst_itm: $ => seq(choice($._los_lst_itm_hed, $._los_chk_box_lst_itm_hed), $._lst_itm_cnt_end_mkr, $._lst_itm_end_mkr),
_los_lst_itm_hed: $ => seq($._lst_itm_bgn, $._lst_itm_cnt_bgn_mkr, optional($._chk_box_lik_stx), repeat($._blk_nod), $._bnk_lbk, repeat(choice($._bnk_lbk, $._blk_nod))),
_los_chk_box_lst_itm_hed: $ => seq($._lst_itm_bgn, $._lst_itm_cnt_bgn_mkr, $._chk_box_pgh, repeat($._blk_nod), $._bnk_lbk, repeat(choice($._bnk_lbk, $._blk_nod))),
_chk_box_pgh: $ => seq($._pgh_bgn_mkr, alias($._chk_box_pgh_ctn, $.paragraph), $._pgh_end_mkr),
_chk_box_pgh_ctn: $ => seq(alias($._lst_chk_box, $.task_list_item_marker), repeat(choice($._inl_nod, $._inl_lbk))),
_chk_box_lik_stx: $ => seq(alias($._chk_box_lik_stx_hed, $.setext_heading), $._stx_end_mkr),
_chk_box_lik_stx_hed:$ => seq($._pgh_bgn_mkr, alias($._chk_box_lik_stx_ctn, $.heading_content), $._pgh_end_mkr, $._stx_bgn),
_chk_box_lik_stx_ctn: $ => seq($._lst_chk_box, repeat(choice($._inl_nod, $._inl_lbk))),
_tbl: $ => seq($._tbl_hed_row, $._tbl_dlm_row, repeat($._tbl_dat_row)),
_tbl_hed_row: $ => seq($._tbl_hed_row_hed, $._tbl_row_end_mkr),
_tbl_hed_row_hed: $ => seq($._tbl_hed_row_bgn_mkr, optional($._tbl_col_sep), $._tbl_dat_cel, repeat(seq($._tbl_col_sep, $._tbl_dat_cel)), optional($._tbl_col_sep)),
_tbl_dlm_row: $ => seq($._tbl_dlm_row_hed, $._tbl_row_end_mkr),
_tbl_dlm_row_hed: $ => seq($._tbl_dlm_row_bgn_mkr, optional($._tbl_col_sep), $._tbl_col_aln, repeat(seq($._tbl_col_sep, $._tbl_col_aln)), optional($._tbl_col_sep)),
_tbl_dat_row: $ => seq($._tbl_dat_row_hed, $._tbl_row_end_mkr),
_tbl_dat_row_hed: $ => seq($._tbl_dat_row_bgn_mkr, optional($._tbl_col_sep), $._tbl_dat_cel, repeat(seq($._tbl_col_sep, $._tbl_dat_cel)), optional($._tbl_col_sep)),
_tbl_dat_cel: $ => repeat1($._inl_nod),
_inl_nod: $ => choice($._inl_txt, $._emp, $._stg, $._del, $._lnk, $._img, $._ext_www_aut_lnk, $._ext_url_aut_lnk, $._ext_eml_aut_lnk, $._uri_aut_lnk, $._eml_aut_lnk, $._cod_spn, $._htm_opn_tag, $._htm_slf_cls_tag, $._htm_cls_tag, $._htm_cmt, $._htm_prc, $._htm_dcl, $._htm_cda),
_inl_txt: $ => choice($._txt, $._bsl_esc, $._chr_ref),
_inl_lbk: $ => choice($._sft_lbk, $._hrd_lbk),
_emp: $ => seq($._emp_bgn, repeat(choice($._inl_nod, $._inl_lbk)), $._emp_end),
_stg: $ => seq($._stg_bgn, repeat(choice($._inl_nod, $._inl_lbk)), $._stg_end),
_del: $ => seq($._del_bgn, repeat(choice($._inl_nod, $._inl_lbk)), $._del_end),
_lnk: $ => seq($._lnk_bgn, alias(repeat(choice($._inl_nod, $._inl_lbk)), $.link_text), $._lnk_tal),
_img: $ => seq($._img_bgn, alias(repeat(choice($._inl_nod, $._inl_lbk)), $.image_description), $._lnk_tal),
_lnk_tal: $ => seq(
$._lnk_end,
optional(choice($._lnk_tal_inl, $._lnk_tal_ful, $._lnk_tal_clp)),
),
_lnk_tal_inl: $ => seq(
$._lnk_inl_bgn,
optional(seq($._lnk_dst, optional($._lnk_tit))),
$._lnk_inl_end,
),
_lnk_tal_ful: $ => seq($._lnk_ref_bgn, alias(repeat1(choice($._txt, $._bsl_esc)), $.link_label), $._lnk_ref_end),
_lnk_tal_clp: $ => seq($._lnk_ref_bgn, $._lnk_ref_end),
_lnk_dst: $ => choice(
seq($._lnk_dst_bgn, repeat($._inl_txt), $._lnk_dst_end),
seq($._lnk_dst_bgn_mkr, repeat($._inl_txt), $._lnk_dst_end_mkr),
),
_lnk_tit: $ => seq($._lnk_tit_bgn, repeat($._inl_txt), $._lnk_tit_end),
_ext_www_aut_lnk: $ => seq($._ext_www_aut_lnk_hed, $._ext_aut_lnk_end_mkr),
_ext_www_aut_lnk_hed: $ => seq($._ext_www_aut_lnk_bgn_mkr, repeat(choice($._txt, $._bsl_esc))),
_ext_url_aut_lnk: $ => seq($._ext_url_aut_lnk_hed, $._ext_aut_lnk_end_mkr),
_ext_url_aut_lnk_hed: $ => seq($._ext_url_aut_lnk_bgn_mkr, repeat(choice($._txt, $._bsl_esc))),
_ext_eml_aut_lnk: $ => seq($._ext_eml_aut_lnk_hed, $._ext_aut_lnk_end_mkr),
_ext_eml_aut_lnk_hed: $ => seq($._ext_eml_aut_lnk_bgn_mkr, repeat(choice($._txt, $._bsl_esc))),
_uri_aut_lnk: $ => seq($._uri_aut_lnk_bgn, repeat(choice($._txt, $._bsl_esc)), $._aut_lnk_end),
_eml_aut_lnk: $ => seq($._eml_aut_lnk_bgn, repeat(choice($._txt, $._bsl_esc)), $._aut_lnk_end),
_cod_spn: $ => seq($._cod_spn_bgn, repeat(choice($._txt, $._bsl_esc)), $._cod_spn_end),
_htm_opn_tag: $ => seq($._htm_opn_tag_hed, $._htm_tag_end),
_htm_slf_cls_tag: $ => seq($._htm_opn_tag_hed, $._htm_slf_tag_end),
_htm_opn_tag_hed: $ => seq($._htm_opn_tag_bgn, alias($._wrd, $.html_tag_name), repeat($._htm_atr)),
_htm_cls_tag: $ => seq($._htm_cls_tag_bgn, alias($._wrd, $.html_tag_name), $._htm_tag_end),
_htm_cmt: $ => seq($._htm_cmt_bgn, repeat(choice($._txt, $._bsl_esc)), $._htm_cmt_end),
_htm_prc: $ => seq($._htm_prc_bgn, repeat(choice($._txt, $._bsl_esc)), $._htm_prc_end),
_htm_dcl: $ => seq($._htm_dcl_bgn, alias($._wrd, $.html_declaration_name), repeat(choice($._txt, $._bsl_esc)), $._htm_tag_end),
_htm_cda: $ => seq($._htm_cda_bgn, repeat(choice($._txt, $._bsl_esc)), $._htm_cda_end),
_htm_atr: $ => seq(alias($._wrd, $.html_attribute_key), optional(seq($._htm_atr_eql, $._htm_atr_val))),
_htm_atr_val: $ => choice(
seq($._htm_atr_val_bgn, repeat(choice($._txt, $._bsl_esc)), $._htm_atr_val_end),
seq($._htm_atr_val_bgn_mkr, repeat(choice($._txt, $._bsl_esc)), $._htm_atr_val_end_mkr),
),
_txt: $ => prec.right(repeat1($._txt_frg)),
},
});
module.exports = global_alias(module.exports, {
..._('thematic_break', '_thm_brk_hed'),
..._('link_reference_definition', '_lnk_ref_def_hed'),
..._('setext_heading', '_stx_hed'),
..._('atx_heading', '_atx_hed'),
..._('indented_code_block', '_ind_cod_hed'),
..._(['fenced_code_block'], '_fen_cod_hed'),
..._('html_block', '_htm_blk_scr_hed', '_htm_blk_cmt_hed', '_htm_blk_prc_hed',
'_htm_blk_dcl_hed', '_htm_blk_cda_hed', '_htm_blk_div_hed',
'_htm_blk_cmp_hed'),
..._('block_quote', '_bqt_hed'),
..._('tight_list', '_tig_lst_hed'),
..._('loose_list', '_los_lst_hed'),
..._('list_item', '_tig_lst_itm_hed', '_los_lst_itm_hed'),
..._('task_list_item', '_tig_chk_box_lst_itm_hed', '_los_chk_box_lst_itm_hed'),
..._('table', '_tbl'),
..._('table_header_row', '_tbl_hed_row_hed'),
..._('table_delimiter_row', '_tbl_dlm_row_hed'),
..._('table_data_row', '_tbl_dat_row_hed'),
..._('table_cell', '_tbl_dat_cel'),
..._('emphasis', '_emp'),
..._('strong_emphasis', '_stg'),
..._('strikethrough', '_del'),
..._('link', '_lnk'),
..._('image', '_img'),
..._('link_destination', '_lnk_dst'),
..._('link_title', '_lnk_tit'),
..._('www_autolink', '_ext_www_aut_lnk'),
..._('uri_autolink', '_ext_url_aut_lnk', '_uri_aut_lnk'),
..._('email_autolink', '_ext_eml_aut_lnk', '_eml_aut_lnk'),
..._('code_span', '_cod_spn'),
..._('html_open_tag', '_htm_opn_tag'),
..._('html_self_closing_tag', '_htm_slf_cls_tag'),
..._('html_close_tag', '_htm_cls_tag'),
..._('html_comment', '_htm_cmt'),
..._('html_processing_instruction', '_htm_prc'),
..._('html_declaration', '_htm_dcl'),
..._('html_cdata_section', '_htm_cda'),
..._('html_atrribute', '_htm_atr'),
..._('html_attribute_value', '_htm_atr_val'),
..._('virtual_space', '_vtr_spc'),
..._('atx_h1_marker', '_atx_bgn_1'),
..._('atx_h2_marker', '_atx_bgn_2'),
..._('atx_h3_marker', '_atx_bgn_3'),
..._('atx_h4_marker', '_atx_bgn_4'),
..._('atx_h5_marker', '_atx_bgn_5'),
..._('atx_h6_marker', '_atx_bgn_6'),
..._('setext_h1_underline', '_stx_bgn_1'),
..._('setext_h2_underline', '_stx_bgn_2'),
..._('list_marker', '_lst_itm_bgn'),
..._('line_break', '_blk_lbk'),
..._('text', '_txt'),
..._('backslash_escape', '_bsl_esc'),
..._('character_reference', '_chr_ref'),
..._('table_column_alignment', '_tbl_col_aln'),
..._('hard_line_break', '_hrd_lbk'),
..._('soft_line_break', '_sft_lbk'),
});
function _(alias_value, ...rule_names) {
const alias_content = {};
if (typeof alias_value === "string") {
alias_content.name = alias_value;
} else if (Array.isArray(alias_value)) {
alias_content.name = alias_value[0];
alias_content.shallow = true;
} else {
throw new Error(`Unexpected value ${JSON.stringify(alias_value)}`);
}
const alias_map = {};
for (const rule_name of rule_names) {
alias_map[rule_name] = alias_content;
}
return alias_map;
}
function global_alias(grammar_json, alias_map) {
const new_rules = {};
const new_grammar = { ...grammar_json, rules: new_rules };
const checklist = Object.fromEntries(Object.entries(alias_map).map(([k, v]) => [k, 0]));
for (const [rule_name, rule] of Object.entries(grammar_json.rules)) {
new_rules[rule_name] = rule_name in alias_map && alias_map[rule_name].shallow
? rule
: recursive_alias(rule, alias_map, checklist);
}
for (const [rule_name, counter] of Object.entries(checklist)) {
if (counter === 0) {
console.warn(`warning: global_alias for ${JSON.stringify(rule_name)} is not used.`);
}
}
return new_grammar;
}
function recursive_alias(rule, alias_map, checklist) {
switch (rule.type) {
case "CHOICE":
case "SEQ":
return { ...rule, members: rule.members.map(member => recursive_alias(member, alias_map, checklist)) };
case "REPEAT":
case "REPEAT1":
case "FIELD":
case "ALIAS":
case "PREC_RIGHT":
return { ...rule, content: recursive_alias(rule.content, alias_map, checklist) };
case "SYMBOL":
if (rule.name in alias_map) {
checklist[rule.name]++;
return { type: "ALIAS", content: rule, named: true, value: alias_map[rule.name].name };
}
case "BLANK":
return rule;
default:
throw new Error(`Unexpected rule type ${JSON.stringify(rule.type)}`);
}
}