1<lexer>
2 <config>
3 <name>Ballerina</name>
4 <alias>ballerina</alias>
5 <filename>*.bal</filename>
6 <mime_type>text/x-ballerina</mime_type>
7 <dot_all>true</dot_all>
8 </config>
9 <rules>
10 <state name="root">
11 <rule pattern="[^\S\n]+">
12 <token type="Text"/>
13 </rule>
14 <rule pattern="//.*?\n">
15 <token type="CommentSingle"/>
16 </rule>
17 <rule pattern="/\*.*?\*/">
18 <token type="CommentMultiline"/>
19 </rule>
20 <rule pattern="(break|catch|continue|done|else|finally|foreach|forever|fork|if|lock|match|return|throw|transaction|try|while)\b">
21 <token type="Keyword"/>
22 </rule>
23 <rule pattern="((?:(?:[^\W\d]|\$)[\w.\[\]$<>]*\s+)+?)((?:[^\W\d]|\$)[\w$]*)(\s*)(\()">
24 <bygroups>
25 <usingself state="root"/>
26 <token type="NameFunction"/>
27 <token type="Text"/>
28 <token type="Operator"/>
29 </bygroups>
30 </rule>
31 <rule pattern="@[^\W\d][\w.]*">
32 <token type="NameDecorator"/>
33 </rule>
34 <rule pattern="(annotation|bind|but|endpoint|error|function|object|private|public|returns|service|type|var|with|worker)\b">
35 <token type="KeywordDeclaration"/>
36 </rule>
37 <rule pattern="(boolean|byte|decimal|float|int|json|map|nil|record|string|table|xml)\b">
38 <token type="KeywordType"/>
39 </rule>
40 <rule pattern="(true|false|null)\b">
41 <token type="KeywordConstant"/>
42 </rule>
43 <rule pattern="(import)(\s+)">
44 <bygroups>
45 <token type="KeywordNamespace"/>
46 <token type="Text"/>
47 </bygroups>
48 <push state="import"/>
49 </rule>
50 <rule pattern=""(\\\\|\\"|[^"])*"">
51 <token type="LiteralString"/>
52 </rule>
53 <rule pattern="'\\.'|'[^\\]'|'\\u[0-9a-fA-F]{4}'">
54 <token type="LiteralStringChar"/>
55 </rule>
56 <rule pattern="(\.)((?:[^\W\d]|\$)[\w$]*)">
57 <bygroups>
58 <token type="Operator"/>
59 <token type="NameAttribute"/>
60 </bygroups>
61 </rule>
62 <rule pattern="^\s*([^\W\d]|\$)[\w$]*:">
63 <token type="NameLabel"/>
64 </rule>
65 <rule pattern="([^\W\d]|\$)[\w$]*">
66 <token type="Name"/>
67 </rule>
68 <rule pattern="([0-9][0-9_]*\.([0-9][0-9_]*)?|\.[0-9][0-9_]*)([eE][+\-]?[0-9][0-9_]*)?[fFdD]?|[0-9][eE][+\-]?[0-9][0-9_]*[fFdD]?|[0-9]([eE][+\-]?[0-9][0-9_]*)?[fFdD]|0[xX]([0-9a-fA-F][0-9a-fA-F_]*\.?|([0-9a-fA-F][0-9a-fA-F_]*)?\.[0-9a-fA-F][0-9a-fA-F_]*)[pP][+\-]?[0-9][0-9_]*[fFdD]?">
69 <token type="LiteralNumberFloat"/>
70 </rule>
71 <rule pattern="0[xX][0-9a-fA-F][0-9a-fA-F_]*[lL]?">
72 <token type="LiteralNumberHex"/>
73 </rule>
74 <rule pattern="0[bB][01][01_]*[lL]?">
75 <token type="LiteralNumberBin"/>
76 </rule>
77 <rule pattern="0[0-7_]+[lL]?">
78 <token type="LiteralNumberOct"/>
79 </rule>
80 <rule pattern="0|[1-9][0-9_]*[lL]?">
81 <token type="LiteralNumberInteger"/>
82 </rule>
83 <rule pattern="[~^*!%&\[\](){}<>|+=:;,./?-]">
84 <token type="Operator"/>
85 </rule>
86 <rule pattern="\n">
87 <token type="Text"/>
88 </rule>
89 </state>
90 <state name="import">
91 <rule pattern="[\w.]+">
92 <token type="NameNamespace"/>
93 <pop depth="1"/>
94 </rule>
95 </state>
96 </rules>
97</lexer>