1 package o
2
3 import (
4 . "github.com/alecthomas/chroma"
5 "github.com/alecthomas/chroma/lexers/internal"
6 )
7
8
9 var ObjectiveC = internal.Register(MustNewLazyLexer(
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 objectiveCRules,
17 ))
18
19 func objectiveCRules() Rules {
20 return Rules{
21 "statements": {
22 {`@"`, LiteralString, Push("string")},
23 {`@(YES|NO)`, LiteralNumber, nil},
24 {`@'(\\.|\\[0-7]{1,3}|\\x[a-fA-F0-9]{1,2}|[^\\\'\n])'`, LiteralStringChar, nil},
25 {`@(\d+\.\d*|\.\d+|\d+)[eE][+-]?\d+[lL]?`, LiteralNumberFloat, nil},
26 {`@(\d+\.\d*|\.\d+|\d+[fF])[fF]?`, LiteralNumberFloat, nil},
27 {`@0x[0-9a-fA-F]+[Ll]?`, LiteralNumberHex, nil},
28 {`@0[0-7]+[Ll]?`, LiteralNumberOct, nil},
29 {`@\d+[Ll]?`, LiteralNumberInteger, nil},
30 {`@\(`, Literal, Push("literal_number")},
31 {`@\[`, Literal, Push("literal_array")},
32 {`@\{`, Literal, Push("literal_dictionary")},
33 {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},
34 {Words(``, `\b`, `id`, `instancetype`, `Class`, `IMP`, `SEL`, `BOOL`, `IBOutlet`, `IBAction`, `unichar`), KeywordType, nil},
35 {`@(true|false|YES|NO)\n`, NameBuiltin, nil},
36 {`(YES|NO|nil|self|super)\b`, NameBuiltin, nil},
37 {`(Boolean|UInt8|SInt8|UInt16|SInt16|UInt32|SInt32)\b`, KeywordType, nil},
38 {`(TRUE|FALSE)\b`, NameBuiltin, nil},
39 {`(@interface|@implementation)(\s+)`, ByGroups(Keyword, Text), Push("#pop", "oc_classname")},
40 {`(@class|@protocol)(\s+)`, ByGroups(Keyword, Text), Push("#pop", "oc_forward_classname")},
41 {`@`, Punctuation, nil},
42 {`(L?)(")`, ByGroups(LiteralStringAffix, LiteralString), Push("string")},
43 {`(L?)(')(\\.|\\[0-7]{1,3}|\\x[a-fA-F0-9]{1,2}|[^\\\'\n])(')`, ByGroups(LiteralStringAffix, LiteralStringChar, LiteralStringChar, LiteralStringChar), nil},
44 {`(\d+\.\d*|\.\d+|\d+)[eE][+-]?\d+[LlUu]*`, LiteralNumberFloat, nil},
45 {`(\d+\.\d*|\.\d+|\d+[fF])[fF]?`, LiteralNumberFloat, nil},
46 {`0x[0-9a-fA-F]+[LlUu]*`, LiteralNumberHex, nil},
47 {`0[0-7]+[LlUu]*`, LiteralNumberOct, nil},
48 {`\d+[LlUu]*`, LiteralNumberInteger, nil},
49 {`\*/`, Error, nil},
50 {`[~!%^&*+=|?:<>/-]`, Operator, nil},
51 {`[()\[\],.]`, Punctuation, nil},
52 {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},
53 {`(bool|int|long|float|short|double|char|unsigned|signed|void)\b`, KeywordType, nil},
54 {Words(``, `\b`, `inline`, `_inline`, `__inline`, `naked`, `restrict`, `thread`, `typename`), KeywordReserved, nil},
55 {`(__m(128i|128d|128|64))\b`, KeywordReserved, nil},
56 {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},
57 {`(true|false|NULL)\b`, NameBuiltin, nil},
58 {`([a-zA-Z_]\w*)(\s*)(:)(?!:)`, ByGroups(NameLabel, Text, Punctuation), nil},
59 {`[a-zA-Z_]\w*`, Name, nil},
60 },
61 "oc_classname": {
62 {`([a-zA-Z$_][\w$]*)(\s*:\s*)([a-zA-Z$_][\w$]*)?(\s*)(\{)`, ByGroups(NameClass, Text, NameClass, Text, Punctuation), Push("#pop", "oc_ivars")},
63 {`([a-zA-Z$_][\w$]*)(\s*:\s*)([a-zA-Z$_][\w$]*)?`, ByGroups(NameClass, Text, NameClass), Pop(1)},
64 {`([a-zA-Z$_][\w$]*)(\s*)(\([a-zA-Z$_][\w$]*\))(\s*)(\{)`, ByGroups(NameClass, Text, NameLabel, Text, Punctuation), Push("#pop", "oc_ivars")},
65 {`([a-zA-Z$_][\w$]*)(\s*)(\([a-zA-Z$_][\w$]*\))`, ByGroups(NameClass, Text, NameLabel), Pop(1)},
66 {`([a-zA-Z$_][\w$]*)(\s*)(\{)`, ByGroups(NameClass, Text, Punctuation), Push("#pop", "oc_ivars")},
67 {`([a-zA-Z$_][\w$]*)`, NameClass, Pop(1)},
68 },
69 "oc_forward_classname": {
70 {`([a-zA-Z$_][\w$]*)(\s*,\s*)`, ByGroups(NameClass, Text), Push("oc_forward_classname")},
71 {`([a-zA-Z$_][\w$]*)(\s*;?)`, ByGroups(NameClass, Text), Pop(1)},
72 },
73 "oc_ivars": {
74 Include("whitespace"),
75 Include("statements"),
76 {`;`, Punctuation, nil},
77 {`\{`, Punctuation, Push()},
78 {`\}`, Punctuation, Pop(1)},
79 },
80 "root": {
81 {`^([-+])(\s*)(\(.*?\))?(\s*)([a-zA-Z$_][\w$]*:?)`, ByGroups(Punctuation, Text, UsingSelf("root"), Text, NameFunction), Push("method")},
82 Include("whitespace"),
83 {`((?:[\w*\s])+?(?:\s|[*]))([a-zA-Z_]\w*)(\s*\([^;]*?\))([^;{]*)(\{)`, ByGroups(UsingSelf("root"), NameFunction, UsingSelf("root"), UsingSelf("root"), Punctuation), Push("function")},
84 {`((?:[\w*\s])+?(?:\s|[*]))([a-zA-Z_]\w*)(\s*\([^;]*?\))([^;]*)(;)`, ByGroups(UsingSelf("root"), NameFunction, UsingSelf("root"), UsingSelf("root"), Punctuation), nil},
85 Default(Push("statement")),
86 },
87 "method": {
88 Include("whitespace"),
89 {`,`, Punctuation, nil},
90 {`\.\.\.`, Punctuation, nil},
91 {`(\(.*?\))(\s*)([a-zA-Z$_][\w$]*)`, ByGroups(UsingSelf("root"), Text, NameVariable), nil},
92 {`[a-zA-Z$_][\w$]*:`, NameFunction, nil},
93 {`;`, Punctuation, Pop(1)},
94 {`\{`, Punctuation, Push("function")},
95 Default(Pop(1)),
96 },
97 "literal_number": {
98 {`\(`, Punctuation, Push("literal_number_inner")},
99 {`\)`, Literal, Pop(1)},
100 Include("statement"),
101 },
102 "literal_number_inner": {
103 {`\(`, Punctuation, Push()},
104 {`\)`, Punctuation, Pop(1)},
105 Include("statement"),
106 },
107 "literal_array": {
108 {`\[`, Punctuation, Push("literal_array_inner")},
109 {`\]`, Literal, Pop(1)},
110 Include("statement"),
111 },
112 "literal_array_inner": {
113 {`\[`, Punctuation, Push()},
114 {`\]`, Punctuation, Pop(1)},
115 Include("statement"),
116 },
117 "literal_dictionary": {
118 {`\}`, Literal, Pop(1)},
119 Include("statement"),
120 },
121 "whitespace": {
122 {`^#if\s+0`, CommentPreproc, Push("if0")},
123 {`^#`, CommentPreproc, Push("macro")},
124 {`^(\s*(?:/[*].*?[*]/\s*)?)(#if\s+0)`, ByGroups(UsingSelf("root"), CommentPreproc), Push("if0")},
125 {`^(\s*(?:/[*].*?[*]/\s*)?)(#)`, ByGroups(UsingSelf("root"), CommentPreproc), Push("macro")},
126 {`\n`, Text, nil},
127 {`\s+`, Text, nil},
128 {`\\\n`, Text, nil},
129 {`//(\n|[\w\W]*?[^\\]\n)`, CommentSingle, nil},
130 {`/(\\\n)?[*][\w\W]*?[*](\\\n)?/`, CommentMultiline, nil},
131 {`/(\\\n)?[*][\w\W]*`, CommentMultiline, nil},
132 },
133 "statement": {
134 Include("whitespace"),
135 Include("statements"),
136 {`[{}]`, Punctuation, nil},
137 {`;`, Punctuation, Pop(1)},
138 },
139 "function": {
140 Include("whitespace"),
141 Include("statements"),
142 {`;`, Punctuation, nil},
143 {`\{`, Punctuation, Push()},
144 {`\}`, Punctuation, Pop(1)},
145 },
146 "string": {
147 {`"`, LiteralString, Pop(1)},
148 {`\\([\\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},
149 {`[^\\"\n]+`, LiteralString, nil},
150 {`\\\n`, LiteralString, nil},
151 {`\\`, LiteralString, nil},
152 },
153 "macro": {
154 {`(include)(\s*(?:/[*].*?[*]/\s*)?)([^\n]+)`, ByGroups(CommentPreproc, Text, CommentPreprocFile), nil},
155 {`[^/\n]+`, CommentPreproc, nil},
156 {`/[*](.|\n)*?[*]/`, CommentMultiline, nil},
157 {`//.*?\n`, CommentSingle, Pop(1)},
158 {`/`, CommentPreproc, nil},
159 {`(?<=\\)\n`, CommentPreproc, nil},
160 {`\n`, CommentPreproc, Pop(1)},
161 },
162 "if0": {
163 {`^\s*#if.*?(?<!\\)\n`, CommentPreproc, Push()},
164 {`^\s*#el(?:se|if).*\n`, CommentPreproc, Pop(1)},
165 {`^\s*#endif.*?(?<!\\)\n`, CommentPreproc, Pop(1)},
166 {`.*?\n`, Comment, nil},
167 },
168 }
169 }
170
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