1package o
2
3import (
4 . "github.com/alecthomas/chroma" // nolint
5 "github.com/alecthomas/chroma/lexers/internal"
6)
7
8// Objective-C lexer.
9var ObjectiveC = internal.Register(MustNewLexer(
10 &Config{
11 Name: "Objective-C",
12 Aliases: []string{"objective-c", "objectivec", "obj-c", "objc"},
13 Filenames: []string{"*.m", "*.h"},
14 MimeTypes: []string{"text/x-objective-c"},
15 },
16 Rules{
17 "statements": {
18 {`@"`, LiteralString, Push("string")},
19 {`@(YES|NO)`, LiteralNumber, nil},
20 {`@'(\\.|\\[0-7]{1,3}|\\x[a-fA-F0-9]{1,2}|[^\\\'\n])'`, LiteralStringChar, nil},
21 {`@(\d+\.\d*|\.\d+|\d+)[eE][+-]?\d+[lL]?`, LiteralNumberFloat, nil},
22 {`@(\d+\.\d*|\.\d+|\d+[fF])[fF]?`, LiteralNumberFloat, nil},
23 {`@0x[0-9a-fA-F]+[Ll]?`, LiteralNumberHex, nil},
24 {`@0[0-7]+[Ll]?`, LiteralNumberOct, nil},
25 {`@\d+[Ll]?`, LiteralNumberInteger, nil},
26 {`@\(`, Literal, Push("literal_number")},
27 {`@\[`, Literal, Push("literal_array")},
28 {`@\{`, Literal, Push("literal_dictionary")},
29 {Words(``, `\b`, `@selector`, `@private`, `@protected`, `@public`, `@encode`, `@synchronized`, `@try`, `@throw`, `@catch`, `@finally`, `@end`, `@property`, `@synthesize`, `__bridge`, `__bridge_transfer`, `__autoreleasing`, `__block`, `__weak`, `__strong`, `weak`, `strong`, `copy`, `retain`, `assign`, `unsafe_unretained`, `atomic`, `nonatomic`, `readonly`, `readwrite`, `setter`, `getter`, `typeof`, `in`, `out`, `inout`, `release`, `class`, `@dynamic`, `@optional`, `@required`, `@autoreleasepool`), Keyword, nil},
30 {Words(``, `\b`, `id`, `instancetype`, `Class`, `IMP`, `SEL`, `BOOL`, `IBOutlet`, `IBAction`, `unichar`), KeywordType, nil},
31 {`@(true|false|YES|NO)\n`, NameBuiltin, nil},
32 {`(YES|NO|nil|self|super)\b`, NameBuiltin, nil},
33 {`(Boolean|UInt8|SInt8|UInt16|SInt16|UInt32|SInt32)\b`, KeywordType, nil},
34 {`(TRUE|FALSE)\b`, NameBuiltin, nil},
35 {`(@interface|@implementation)(\s+)`, ByGroups(Keyword, Text), Push("#pop", "oc_classname")},
36 {`(@class|@protocol)(\s+)`, ByGroups(Keyword, Text), Push("#pop", "oc_forward_classname")},
37 {`@`, Punctuation, nil},
38 {`(L?)(")`, ByGroups(LiteralStringAffix, LiteralString), Push("string")},
39 {`(L?)(')(\\.|\\[0-7]{1,3}|\\x[a-fA-F0-9]{1,2}|[^\\\'\n])(')`, ByGroups(LiteralStringAffix, LiteralStringChar, LiteralStringChar, LiteralStringChar), nil},
40 {`(\d+\.\d*|\.\d+|\d+)[eE][+-]?\d+[LlUu]*`, LiteralNumberFloat, nil},
41 {`(\d+\.\d*|\.\d+|\d+[fF])[fF]?`, LiteralNumberFloat, nil},
42 {`0x[0-9a-fA-F]+[LlUu]*`, LiteralNumberHex, nil},
43 {`0[0-7]+[LlUu]*`, LiteralNumberOct, nil},
44 {`\d+[LlUu]*`, LiteralNumberInteger, nil},
45 {`\*/`, Error, nil},
46 {`[~!%^&*+=|?:<>/-]`, Operator, nil},
47 {`[()\[\],.]`, Punctuation, nil},
48 {Words(``, `\b`, `asm`, `auto`, `break`, `case`, `const`, `continue`, `default`, `do`, `else`, `enum`, `extern`, `for`, `goto`, `if`, `register`, `restricted`, `return`, `sizeof`, `static`, `struct`, `switch`, `typedef`, `union`, `volatile`, `while`), Keyword, nil},
49 {`(bool|int|long|float|short|double|char|unsigned|signed|void)\b`, KeywordType, nil},
50 {Words(``, `\b`, `inline`, `_inline`, `__inline`, `naked`, `restrict`, `thread`, `typename`), KeywordReserved, nil},
51 {`(__m(128i|128d|128|64))\b`, KeywordReserved, nil},
52 {Words(`__`, `\b`, `asm`, `int8`, `based`, `except`, `int16`, `stdcall`, `cdecl`, `fastcall`, `int32`, `declspec`, `finally`, `int64`, `try`, `leave`, `wchar_t`, `w64`, `unaligned`, `raise`, `noop`, `identifier`, `forceinline`, `assume`), KeywordReserved, nil},
53 {`(true|false|NULL)\b`, NameBuiltin, nil},
54 {`([a-zA-Z_]\w*)(\s*)(:)(?!:)`, ByGroups(NameLabel, Text, Punctuation), nil},
55 {`[a-zA-Z_]\w*`, Name, nil},
56 },
57 "oc_classname": {
58 {`([a-zA-Z$_][\w$]*)(\s*:\s*)([a-zA-Z$_][\w$]*)?(\s*)(\{)`, ByGroups(NameClass, Text, NameClass, Text, Punctuation), Push("#pop", "oc_ivars")},
59 {`([a-zA-Z$_][\w$]*)(\s*:\s*)([a-zA-Z$_][\w$]*)?`, ByGroups(NameClass, Text, NameClass), Pop(1)},
60 {`([a-zA-Z$_][\w$]*)(\s*)(\([a-zA-Z$_][\w$]*\))(\s*)(\{)`, ByGroups(NameClass, Text, NameLabel, Text, Punctuation), Push("#pop", "oc_ivars")},
61 {`([a-zA-Z$_][\w$]*)(\s*)(\([a-zA-Z$_][\w$]*\))`, ByGroups(NameClass, Text, NameLabel), Pop(1)},
62 {`([a-zA-Z$_][\w$]*)(\s*)(\{)`, ByGroups(NameClass, Text, Punctuation), Push("#pop", "oc_ivars")},
63 {`([a-zA-Z$_][\w$]*)`, NameClass, Pop(1)},
64 },
65 "oc_forward_classname": {
66 {`([a-zA-Z$_][\w$]*)(\s*,\s*)`, ByGroups(NameClass, Text), Push("oc_forward_classname")},
67 {`([a-zA-Z$_][\w$]*)(\s*;?)`, ByGroups(NameClass, Text), Pop(1)},
68 },
69 "oc_ivars": {
70 Include("whitespace"),
71 Include("statements"),
72 {`;`, Punctuation, nil},
73 {`\{`, Punctuation, Push()},
74 {`\}`, Punctuation, Pop(1)},
75 },
76 "root": {
77 {`^([-+])(\s*)(\(.*?\))?(\s*)([a-zA-Z$_][\w$]*:?)`, ByGroups(Punctuation, Text, UsingSelf("root"), Text, NameFunction), Push("method")},
78 Include("whitespace"),
79 {`((?:[\w*\s])+?(?:\s|[*]))([a-zA-Z_]\w*)(\s*\([^;]*?\))([^;{]*)(\{)`, ByGroups(UsingSelf("root"), NameFunction, UsingSelf("root"), UsingSelf("root"), Punctuation), Push("function")},
80 {`((?:[\w*\s])+?(?:\s|[*]))([a-zA-Z_]\w*)(\s*\([^;]*?\))([^;]*)(;)`, ByGroups(UsingSelf("root"), NameFunction, UsingSelf("root"), UsingSelf("root"), Punctuation), nil},
81 Default(Push("statement")),
82 },
83 "method": {
84 Include("whitespace"),
85 {`,`, Punctuation, nil},
86 {`\.\.\.`, Punctuation, nil},
87 {`(\(.*?\))(\s*)([a-zA-Z$_][\w$]*)`, ByGroups(UsingSelf("root"), Text, NameVariable), nil},
88 {`[a-zA-Z$_][\w$]*:`, NameFunction, nil},
89 {`;`, Punctuation, Pop(1)},
90 {`\{`, Punctuation, Push("function")},
91 Default(Pop(1)),
92 },
93 "literal_number": {
94 {`\(`, Punctuation, Push("literal_number_inner")},
95 {`\)`, Literal, Pop(1)},
96 Include("statement"),
97 },
98 "literal_number_inner": {
99 {`\(`, Punctuation, Push()},
100 {`\)`, Punctuation, Pop(1)},
101 Include("statement"),
102 },
103 "literal_array": {
104 {`\[`, Punctuation, Push("literal_array_inner")},
105 {`\]`, Literal, Pop(1)},
106 Include("statement"),
107 },
108 "literal_array_inner": {
109 {`\[`, Punctuation, Push()},
110 {`\]`, Punctuation, Pop(1)},
111 Include("statement"),
112 },
113 "literal_dictionary": {
114 {`\}`, Literal, Pop(1)},
115 Include("statement"),
116 },
117 "whitespace": {
118 {`^#if\s+0`, CommentPreproc, Push("if0")},
119 {`^#`, CommentPreproc, Push("macro")},
120 {`^(\s*(?:/[*].*?[*]/\s*)?)(#if\s+0)`, ByGroups(UsingSelf("root"), CommentPreproc), Push("if0")},
121 {`^(\s*(?:/[*].*?[*]/\s*)?)(#)`, ByGroups(UsingSelf("root"), CommentPreproc), Push("macro")},
122 {`\n`, Text, nil},
123 {`\s+`, Text, nil},
124 {`\\\n`, Text, nil},
125 {`//(\n|[\w\W]*?[^\\]\n)`, CommentSingle, nil},
126 {`/(\\\n)?[*][\w\W]*?[*](\\\n)?/`, CommentMultiline, nil},
127 {`/(\\\n)?[*][\w\W]*`, CommentMultiline, nil},
128 },
129 "statement": {
130 Include("whitespace"),
131 Include("statements"),
132 {`[{}]`, Punctuation, nil},
133 {`;`, Punctuation, Pop(1)},
134 },
135 "function": {
136 Include("whitespace"),
137 Include("statements"),
138 {`;`, Punctuation, nil},
139 {`\{`, Punctuation, Push()},
140 {`\}`, Punctuation, Pop(1)},
141 },
142 "string": {
143 {`"`, LiteralString, Pop(1)},
144 {`\\([\\abfnrtv"\']|x[a-fA-F0-9]{2,4}|u[a-fA-F0-9]{4}|U[a-fA-F0-9]{8}|[0-7]{1,3})`, LiteralStringEscape, nil},
145 {`[^\\"\n]+`, LiteralString, nil},
146 {`\\\n`, LiteralString, nil},
147 {`\\`, LiteralString, nil},
148 },
149 "macro": {
150 {`(include)(\s*(?:/[*].*?[*]/\s*)?)([^\n]+)`, ByGroups(CommentPreproc, Text, CommentPreprocFile), nil},
151 {`[^/\n]+`, CommentPreproc, nil},
152 {`/[*](.|\n)*?[*]/`, CommentMultiline, nil},
153 {`//.*?\n`, CommentSingle, Pop(1)},
154 {`/`, CommentPreproc, nil},
155 {`(?<=\\)\n`, CommentPreproc, nil},
156 {`\n`, CommentPreproc, Pop(1)},
157 },
158 "if0": {
159 {`^\s*#if.*?(?<!\\)\n`, CommentPreproc, Push()},
160 {`^\s*#el(?:se|if).*\n`, CommentPreproc, Pop(1)},
161 {`^\s*#endif.*?(?<!\\)\n`, CommentPreproc, Pop(1)},
162 {`.*?\n`, Comment, nil},
163 },
164 },
165))