1 package v
2
3 import (
4 . "github.com/alecthomas/chroma"
5 "github.com/alecthomas/chroma/lexers/internal"
6 )
7
8 const vbName = `[_\w][\w]*`
9
10
11 var VBNet = internal.Register(MustNewLazyLexer(
12 &Config{
13 Name: "VB.net",
14 Aliases: []string{"vb.net", "vbnet"},
15 Filenames: []string{"*.vb", "*.bas"},
16 MimeTypes: []string{"text/x-vbnet", "text/x-vba"},
17 CaseInsensitive: true,
18 },
19 vbNetRules,
20 ))
21
22 func vbNetRules() Rules {
23 return Rules{
24 "root": {
25 {`^\s*<.*?>`, NameAttribute, nil},
26 {`\s+`, Text, nil},
27 {`\n`, Text, nil},
28 {`rem\b.*?\n`, Comment, nil},
29 {`'.*?\n`, Comment, nil},
30 {`#If\s.*?\sThen|#ElseIf\s.*?\sThen|#Else|#End\s+If|#Const|#ExternalSource.*?\n|#End\s+ExternalSource|#Region.*?\n|#End\s+Region|#ExternalChecksum`, CommentPreproc, nil},
31 {`[(){}!#,.:]`, Punctuation, nil},
32 {`Option\s+(Strict|Explicit|Compare)\s+(On|Off|Binary|Text)`, KeywordDeclaration, nil},
33 {Words(`(?<!\.)`, `\b`, `AddHandler`, `Alias`, `ByRef`, `ByVal`, `Call`, `Case`, `Catch`, `CBool`, `CByte`, `CChar`, `CDate`, `CDec`, `CDbl`, `CInt`, `CLng`, `CObj`, `Continue`, `CSByte`, `CShort`, `CSng`, `CStr`, `CType`, `CUInt`, `CULng`, `CUShort`, `Declare`, `Default`, `Delegate`, `DirectCast`, `Do`, `Each`, `Else`, `ElseIf`, `EndIf`, `Erase`, `Error`, `Event`, `Exit`, `False`, `Finally`, `For`, `Friend`, `Get`, `Global`, `GoSub`, `GoTo`, `Handles`, `If`, `Implements`, `Inherits`, `Interface`, `Let`, `Lib`, `Loop`, `Me`, `MustInherit`, `MustOverride`, `MyBase`, `MyClass`, `Narrowing`, `New`, `Next`, `Not`, `Nothing`, `NotInheritable`, `NotOverridable`, `Of`, `On`, `Operator`, `Option`, `Optional`, `Overloads`, `Overridable`, `Overrides`, `ParamArray`, `Partial`, `Private`, `Protected`, `Public`, `RaiseEvent`, `ReadOnly`, `ReDim`, `RemoveHandler`, `Resume`, `Return`, `Select`, `Set`, `Shadows`, `Shared`, `Single`, `Static`, `Step`, `Stop`, `SyncLock`, `Then`, `Throw`, `To`, `True`, `Try`, `TryCast`, `Wend`, `Using`, `When`, `While`, `Widening`, `With`, `WithEvents`, `WriteOnly`), Keyword, nil},
34 {`(?<!\.)End\b`, Keyword, Push("end")},
35 {`(?<!\.)(Dim|Const)\b`, Keyword, Push("dim")},
36 {`(?<!\.)(Function|Sub|Property)(\s+)`, ByGroups(Keyword, Text), Push("funcname")},
37 {`(?<!\.)(Class|Structure|Enum)(\s+)`, ByGroups(Keyword, Text), Push("classname")},
38 {`(?<!\.)(Module|Namespace|Imports)(\s+)`, ByGroups(Keyword, Text), Push("namespace")},
39 {`(?<!\.)(Boolean|Byte|Char|Date|Decimal|Double|Integer|Long|Object|SByte|Short|Single|String|Variant|UInteger|ULong|UShort)\b`, KeywordType, nil},
40 {`(?<!\.)(AddressOf|And|AndAlso|As|GetType|In|Is|IsNot|Like|Mod|Or|OrElse|TypeOf|Xor)\b`, OperatorWord, nil},
41 {`&=|[*]=|/=|\\=|\^=|\+=|-=|<<=|>>=|<<|>>|:=|<=|>=|<>|[-&*/\\^+=<>\[\]]`, Operator, nil},
42 {`"`, LiteralString, Push("string")},
43 {`_\n`, Text, nil},
44 {vbName, Name, nil},
45 {`#.*?#`, LiteralDate, nil},
46 {`(\d+\.\d*|\d*\.\d+)(F[+-]?[0-9]+)?`, LiteralNumberFloat, nil},
47 {`\d+([SILDFR]|US|UI|UL)?`, LiteralNumberInteger, nil},
48 {`&H[0-9a-f]+([SILDFR]|US|UI|UL)?`, LiteralNumberInteger, nil},
49 {`&O[0-7]+([SILDFR]|US|UI|UL)?`, LiteralNumberInteger, nil},
50 },
51 "string": {
52 {`""`, LiteralString, nil},
53 {`"C?`, LiteralString, Pop(1)},
54 {`[^"]+`, LiteralString, nil},
55 },
56 "dim": {
57 {vbName, NameVariable, Pop(1)},
58 Default(Pop(1)),
59 },
60 "funcname": {
61 {vbName, NameFunction, Pop(1)},
62 },
63 "classname": {
64 {vbName, NameClass, Pop(1)},
65 },
66 "namespace": {
67 {vbName, NameNamespace, nil},
68 {`\.`, NameNamespace, nil},
69 Default(Pop(1)),
70 },
71 "end": {
72 {`\s+`, Text, nil},
73 {`(Function|Sub|Property|Class|Structure|Enum|Module|Namespace)\b`, Keyword, Pop(1)},
74 Default(Pop(1)),
75 },
76 }
77 }
78
View as plain text