1<lexer>
2 <config>
3 <name>Luau</name>
4 <alias>luau</alias>
5 <filename>*.luau</filename>
6 </config>
7 <rules>
8 <state name="root">
9 <rule pattern="#!.*"><token type="CommentHashbang"/><push state="base"/></rule>
10 <rule><push state="base"/></rule>
11 </state>
12 <state name="ws">
13 <rule pattern="(?:--\[(?<level>=*)\[[\w\W]*?\](?=level)\])"><token type="CommentMultiline"/></rule>
14 <rule pattern="(?:--.*$)"><token type="CommentSingle"/></rule>
15 <rule pattern="\s+"><token type="TextWhitespace"/></rule>
16 </state>
17 <state name="base">
18 <rule><include state="ws"/></rule>
19 <rule pattern="\{"><token type="Punctuation"/><push state="closing_brace_base" state="expression"/></rule>
20 <rule pattern="\("><token type="Punctuation"/><push state="closing_parenthesis_base" state="expression"/></rule>
21 <rule pattern="::?"><token type="Punctuation"/><push state="type_end" state="type_start"/></rule>
22 <rule pattern="'"><token type="LiteralStringSingle"/><push state="string_single"/></rule>
23 <rule pattern="""><token type="LiteralStringDouble"/><push state="string_double"/></rule>
24 <rule pattern="`"><token type="LiteralStringBacktick"/><push state="string_interpolated"/></rule>
25 <rule pattern="\.\.\."><token type="Punctuation"/></rule>
26 <rule pattern="type\b(?=(?:(?:--\[(?<level>=*)\[[\w\W]*?\](?=level)\])|(?:--.*$)|\s+)+[a-zA-Z_])"><token type="KeywordReserved"/><push state="type_declaration"/></rule>
27 <rule pattern="export\b(?=(?:(?:--\[(?<level>=*)\[[\w\W]*?\](?=level)\])|(?:--.*$)|\s+)+[a-zA-Z_])"><token type="KeywordReserved"/></rule>
28 <rule pattern="(?:\.\.|//|[+\-*\/%^<>=])=?"><token type="Operator"/><push state="expression"/></rule>
29 <rule pattern="~="><token type="Operator"/><push state="expression"/></rule>
30 <rule pattern="(and|or|not)\b"><token type="OperatorWord"/><push state="expression"/></rule>
31 <rule pattern="(elseif|for|if|in|repeat|return|until|while)\b"><token type="KeywordReserved"/><push state="expression"/></rule>
32 <rule pattern="local\b"><token type="KeywordDeclaration"/><push state="expression"/></rule>
33 <rule pattern="function\b"><token type="KeywordReserved"/><push state="expression" state="func_name"/></rule>
34 <rule pattern="[\])};]+"><token type="Punctuation"/></rule>
35 <rule><include state="expression_static"/></rule>
36 <rule pattern="0[xX][\da-fA-F_]*"><token type="LiteralNumberHex"/></rule>
37 <rule pattern="0[bB][\d_]*"><token type="LiteralNumberBin"/></rule>
38 <rule pattern="\.?\d[\d_]*(?:\.[\d_]*)?(?:[eE][+-]?[\d_]+)?"><token type="LiteralNumberFloat"/></rule>
39 <rule pattern="(true|false|nil)\b"><token type="KeywordConstant"/></rule>
40 <rule pattern="\[(=*)\[[.\n]*?\]\1\]"><token type="LiteralString"/></rule>
41 <rule pattern="(\.)([a-zA-Z_]\w*)(?=%s*[({"\'])"><bygroups><token type="Punctuation"/><token type="NameFunction"/></bygroups></rule>
42 <rule pattern="(\.)([a-zA-Z_]\w*)"><bygroups><token type="Punctuation"/><token type="NameVariable"/></bygroups></rule>
43 <rule pattern="[a-zA-Z_]\w*(?:\.[a-zA-Z_]\w*)*(?=(?:(?:--\[(?<level>=*)\[[\w\W]*?\](?=level)\])|(?:--.*$)|\s+)*[({"\'])"><token type="NameOther"/></rule>
44 <rule pattern="[a-zA-Z_]\w*(?:\.[a-zA-Z_]\w*)*"><token type="Name"/></rule>
45 <rule pattern="[\[.,]"><token type="Punctuation"/><push state="expression"/></rule>
46 </state>
47 <state name="expression_static">
48 <rule pattern="(break|continue|do|else|elseif|end|for|if|in|repeat|return|then|until|while)\b"><token type="KeywordReserved"/></rule>
49 </state>
50 <state name="expression">
51 <rule><include state="ws"/></rule>
52 <rule pattern="if\b"><token type="KeywordReserved"/><push state="ternary" state="expression"/></rule>
53 <rule pattern="local\b"><token type="KeywordDeclaration"/></rule>
54 <rule pattern="\{"><token type="Punctuation"/><push state="#pop" state="closing_brace_base" state="expression"/></rule>
55 <rule pattern="\("><token type="Punctuation"/><push state="#pop" state="closing_parenthesis_base" state="expression"/></rule>
56 <rule pattern="::?"><token type="Punctuation"/><push state="#pop" state="type_end" state="type_start"/></rule>
57 <rule pattern="'"><token type="LiteralStringSingle"/><push state="#pop" state="string_single"/></rule>
58 <rule pattern="""><token type="LiteralStringDouble"/><push state="#pop" state="string_double"/></rule>
59 <rule pattern="`"><token type="LiteralStringBacktick"/><push state="#pop" state="string_interpolated"/></rule>
60 <rule pattern="\.\.\."><token type="Punctuation"/><pop depth="1"/></rule>
61 <rule pattern="function\b"><token type="KeywordReserved"/><push state="func_name"/></rule>
62 <rule><include state="expression_static"/></rule>
63 <rule pattern="0[xX][\da-fA-F_]*"><token type="LiteralNumberHex"/><pop depth="1"/></rule>
64 <rule pattern="0[bB][\d_]*"><token type="LiteralNumberBin"/><pop depth="1"/></rule>
65 <rule pattern="\.?\d[\d_]*(?:\.[\d_]*)?(?:[eE][+-]?[\d_]+)?"><token type="LiteralNumberFloat"/><pop depth="1"/></rule>
66 <rule pattern="(true|false|nil)\b"><token type="KeywordConstant"/><pop depth="1"/></rule>
67 <rule pattern="\[(=*)\[[.\n]*?\]\1\]"><token type="LiteralString"/><pop depth="1"/></rule>
68 <rule pattern="(\.)([a-zA-Z_]\w*)(?=%s*[({"\'])"><bygroups><token type="Punctuation"/><token type="NameFunction"/></bygroups><pop depth="1"/></rule>
69 <rule pattern="(\.)([a-zA-Z_]\w*)"><bygroups><token type="Punctuation"/><token type="NameVariable"/></bygroups><pop depth="1"/></rule>
70 <rule pattern="[a-zA-Z_]\w*(?:\.[a-zA-Z_]\w*)*(?=(?:(?:--\[(?<level>=*)\[[\w\W]*?\](?=level)\])|(?:--.*$)|\s+)*[({"\'])"><token type="NameOther"/><pop depth="1"/></rule>
71 <rule pattern="[a-zA-Z_]\w*(?:\.[a-zA-Z_]\w*)*"><token type="Name"/><pop depth="1"/></rule>
72 <rule><pop depth="1"/></rule>
73 </state>
74 <state name="ternary">
75 <rule><include state="ws"/></rule>
76 <rule pattern="else\b"><token type="KeywordReserved"/><pop depth="1"/></rule>
77 <rule pattern="(then|elseif)\b"><token type="OperatorReserved"/><push state="expression"/></rule>
78 <rule><pop depth="1"/></rule>
79 </state>
80 <state name="closing_brace_pop">
81 <rule pattern="\}"><token type="Punctuation"/><pop depth="1"/></rule>
82 </state>
83 <state name="closing_parenthesis_pop">
84 <rule pattern="\)"><token type="Punctuation"/><pop depth="1"/></rule>
85 </state>
86 <state name="closing_gt_pop">
87 <rule pattern=">"><token type="Punctuation"/><pop depth="1"/></rule>
88 </state>
89 <state name="closing_parenthesis_base">
90 <rule><include state="closing_parenthesis_pop"/></rule>
91 <rule><include state="base"/></rule>
92 </state>
93 <state name="closing_parenthesis_type">
94 <rule><include state="closing_parenthesis_pop"/></rule>
95 <rule><include state="type"/></rule>
96 </state>
97 <state name="closing_brace_base">
98 <rule><include state="closing_brace_pop"/></rule>
99 <rule><include state="base"/></rule>
100 </state>
101 <state name="closing_brace_type">
102 <rule><include state="closing_brace_pop"/></rule>
103 <rule><include state="type"/></rule>
104 </state>
105 <state name="closing_gt_type">
106 <rule><include state="closing_gt_pop"/></rule>
107 <rule><include state="type"/></rule>
108 </state>
109 <state name="string_escape">
110 <rule pattern="\\z\s*"><token type="LiteralStringEscape"/></rule>
111 <rule pattern="\\(?:[abfnrtvz\\"\'`\{\n])|[\r\n]{1,2}|x[\da-fA-F]{2}|\d{1,3}|u\{\}[\da-fA-F]*\}"><token type="LiteralStringEscape"/></rule>
112 </state>
113 <state name="string_single">
114 <rule><include state="string_escape"/></rule>
115 <rule pattern="'"><token type="LiteralStringSingle"/><pop depth="1"/></rule>
116 <rule pattern="[^\\']+"><token type="LiteralStringSingle"/></rule>
117 </state>
118 <state name="string_double">
119 <rule><include state="string_escape"/></rule>
120 <rule pattern="""><token type="LiteralStringDouble"/><pop depth="1"/></rule>
121 <rule pattern="[^\\"]+"><token type="LiteralStringDouble"/></rule>
122 </state>
123 <state name="string_interpolated">
124 <rule><include state="string_escape"/></rule>
125 <rule pattern="\{"><token type="Punctuation"/><push state="closing_brace_base" state="expression"/></rule>
126 <rule pattern="`"><token type="LiteralStringBacktick"/><pop depth="1"/></rule>
127 <rule pattern="[^\\`\{]+"><token type="LiteralStringBacktick"/></rule>
128 </state>
129 <state name="func_name">
130 <rule><include state="ws"/></rule>
131 <rule pattern="[.:]"><token type="Punctuation"/></rule>
132 <rule pattern="[a-zA-Z_]\w*(?=(?:(?:--\[(?<level>=*)\[[\w\W]*?\](?=level)\])|(?:--.*$)|\s+)*[.:])"><token type="NameClass"/></rule>
133 <rule pattern="[a-zA-Z_]\w*"><token type="NameFunction"/></rule>
134 <rule pattern="<"><token type="Punctuation"/><push state="closing_gt_type"/></rule>
135 <rule pattern="\("><token type="Punctuation"/><pop depth="1"/></rule>
136 </state>
137 <state name="type">
138 <rule><include state="ws"/></rule>
139 <rule pattern="\("><token type="Punctuation"/><push state="closing_parenthesis_type"/></rule>
140 <rule pattern="\{"><token type="Punctuation"/><push state="closing_brace_type"/></rule>
141 <rule pattern="<"><token type="Punctuation"/><push state="closing_gt_type"/></rule>
142 <rule pattern="'"><token type="LiteralStringSingle"/><push state="string_single"/></rule>
143 <rule pattern="""><token type="LiteralStringDouble"/><push state="string_double"/></rule>
144 <rule pattern="[|&\.,\[\]:=]+"><token type="Punctuation"/></rule>
145 <rule pattern="->"><token type="Punctuation"/></rule>
146 <rule pattern="typeof\("><token type="NameBuiltin"/><push state="closing_parenthesis_base" state="expression"/></rule>
147 <rule pattern="[a-zA-Z_]\w*"><token type="NameClass"/></rule>
148 </state>
149 <state name="type_start">
150 <rule><include state="ws"/></rule>
151 <rule pattern="\("><token type="Punctuation"/><push state="#pop" state="closing_parenthesis_type"/></rule>
152 <rule pattern="\{"><token type="Punctuation"/><push state="#pop" state="closing_brace_type"/></rule>
153 <rule pattern="<"><token type="Punctuation"/><push state="#pop" state="closing_gt_type"/></rule>
154 <rule pattern="'"><token type="LiteralStringSingle"/><push state="#pop" state="string_single"/></rule>
155 <rule pattern="""><token type="LiteralStringDouble"/><push state="#pop" state="string_double"/></rule>
156 <rule pattern="typeof\("><token type="NameBuiltin"/><push state="#pop" state="closing_parenthesis_base" state="expression"/></rule>
157 <rule pattern="[a-zA-Z_]\w*"><token type="NameClass"/><pop depth="1"/></rule>
158 </state>
159 <state name="type_end">
160 <rule><include state="ws"/></rule>
161 <rule pattern="[|&\.]"><token type="Punctuation"/><push state="type_start"/></rule>
162 <rule pattern="->"><token type="Punctuation"/><push state="type_start"/></rule>
163 <rule pattern="<"><token type="Punctuation"/><push state="closing_gt_type"/></rule>
164 <rule><pop depth="1"/></rule>
165 </state>
166 <state name="type_declaration">
167 <rule><include state="ws"/></rule>
168 <rule pattern="[a-zA-Z_]\w*"><token type="NameClass"/></rule>
169 <rule pattern="<"><token type="Punctuation"/><push state="closing_gt_type"/></rule>
170 <rule pattern="="><token type="Punctuation"/><push state="#pop" state="type_end" state="type_start"/></rule>
171 </state>
172 </rules>
173</lexer>