-
Notifications
You must be signed in to change notification settings - Fork 0
/
grammar.js
97 lines (83 loc) · 2.02 KB
/
grammar.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
/**
* @file NQC grammar for tree-sitter
* @author Amaan Qureshi <amaanq12@gmail.com>
* @license MIT
*/
/* eslint-disable arrow-parens */
/* eslint-disable camelcase */
/* eslint-disable-next-line spaced-comment */
/// <reference types="tree-sitter-cli/dsl" />
// @ts-check
const C = require('tree-sitter-c/grammar');
module.exports = grammar(C, {
name: 'nqc',
rules: {
_top_level_item: ($, original) => choice(
original,
$.task_definition,
),
_non_case_statement: ($, original) => choice(
original,
$.until_statement,
$.acquire_statement,
$.monitor_statement,
$.start_statement,
$.stop_statement,
),
_top_level_statement: ($, original) => choice(
original,
$.until_statement,
$.acquire_statement,
$.monitor_statement,
$.start_statement,
$.stop_statement,
),
task_definition: $ => seq(
'task',
$.identifier,
field('parameters', $.parameter_list),
field('body', $.compound_statement),
),
subroutine_definition: $ => seq(
'sub',
$.identifier,
'(',
')',
field('body', $.compound_statement),
),
until_statement: $ => seq(
'until',
field('condition', $.parenthesized_expression),
field('body', $._statement),
),
acquire_statement: $ => prec.right(seq(
'acquire',
field('item', $.parenthesized_expression),
field('body', $._statement),
optional($.catch_clause),
)),
catch_clause: $ => seq(
'catch',
optional(seq(
'(',
field('event', $._expression),
')',
)),
field('body', $.compound_statement),
),
monitor_statement: $ => prec.right(seq(
'monitor',
field('item', $.parenthesized_expression),
field('body', $._statement),
repeat($.catch_clause),
)),
start_statement: $ => seq(
'start',
field('task', $.identifier),
),
stop_statement: $ => seq(
'stop',
field('task', $.identifier),
),
},
});