git.r.bdr.sh - rbdr/tree-sitter-api-notation/blob - grammar.js

   1 module.exports = grammar({
   2   name: 'api_notation',
   3
   4   rules: {
   5     source_file: $ => repeat(
   6       seq(
   7         choice(
   8           $.definition,
   9           $.comment
  10         ),
  11         repeat($._newline)
  12       )
  13     ),
  14     definition: $ => prec.right(seq(
  15       $.entry,
  16       $._newline,
  17       repeat(
  18         choice(
  19           $.member,
  20           $.comment
  21         )
  22       )
  23     )),
  24     entry: $ => prec.right(seq(
  25       $.identifier,
  26       repeat(
  27         seq(
  28           token('.'),
  29           $.identifier
  30         )
  31       )
  32     )),
  33     member: $ => seq(
  34       $.member_type,
  35       $._label,
  36       optional($.type_annotation),
  37       optional($.parameter_list),
  38       optional($.return_statement),
  39       optional($.throw_statement),
  40       $._newline,
  41     ),
  42     member_type: $ => choice(
  43       '::',
  44       '->',
  45       '<-',
  46       '~>',
  47       '<~',
  48       '+>',
  49       '<+',
  50       '#',
  51       '+',
  52       '-'
  53     ),
  54     parameter_list: $ => seq(
  55       '(',
  56         optional($._identifier_list),
  57       ')'
  58     ),
  59     return_statement: $ => seq(
  60       '=>',
  61       $.entry
  62     ),
  63     throw_statement: $ => seq(
  64       '#>',
  65       $._entry_list
  66     ),
  67     _entry_list: $ => prec.left(seq(
  68       $.entry,
  69       repeat(
  70         seq(
  71           ',',
  72           $.entry
  73         )
  74       )
  75     )),
  76     _identifier_list: $ => seq(
  77       $.identifier,
  78       repeat(
  79         seq(
  80           ',',
  81           $.identifier
  82         )
  83       )
  84     ),
  85     identifier: $ => prec.left(seq(
  86       choice(
  87         $.optional_value,
  88         $._label,
  89       ),
  90       optional($.type_annotation),
  91       optional($.parameter_list),
  92       optional($.return_statement),
  93       optional($.throw_statement),
  94     )),
  95     optional_value: $ => seq(
  96       '[',
  97       $._label,
  98       ']'
  99     ),
 100     type_annotation: $ => seq(
 101       '<',
 102       $._entry_list,
 103       '>'
 104     ),
 105     comment: $ => seq(
 106       '//',
 107       /[^\n]*/,
 108       $._newline,
 109     ),
 110     _label: $ => /[a-zA-Z0-9][a-zA-Z0-9_-]*/,
 111     _newline: $ => token('\n')
 112   }
 113 });