mirror of
https://gitea.com/Sirherobrine23/tea.git
synced 2024-08-22 00:57:24 +00:00
Co-authored-by: Norwin Roosen <git@nroo.de> Co-authored-by: Norwin <git@nroo.de> Reviewed-on: https://gitea.com/gitea/tea/pulls/390 Reviewed-by: 6543 <6543@obermui.de> Reviewed-by: Andrew Thornton <art27@cantab.net> Co-authored-by: Norwin <noerw@noreply.gitea.io> Co-committed-by: Norwin <noerw@noreply.gitea.io>
97 lines
4.1 KiB
Go
97 lines
4.1 KiB
Go
package c
|
|
|
|
import (
|
|
. "github.com/alecthomas/chroma" // nolint
|
|
"github.com/alecthomas/chroma/lexers/internal"
|
|
)
|
|
|
|
// C lexer.
|
|
var C = internal.Register(MustNewLazyLexer(
|
|
&Config{
|
|
Name: "C",
|
|
Aliases: []string{"c"},
|
|
Filenames: []string{"*.c", "*.h", "*.idc", "*.x[bp]m"},
|
|
MimeTypes: []string{"text/x-chdr", "text/x-csrc", "image/x-xbitmap", "image/x-xpixmap"},
|
|
EnsureNL: true,
|
|
},
|
|
cRules,
|
|
))
|
|
|
|
func cRules() Rules {
|
|
return Rules{
|
|
"whitespace": {
|
|
{`^#if\s+0`, CommentPreproc, Push("if0")},
|
|
{`^#`, CommentPreproc, Push("macro")},
|
|
{`^(\s*(?:/[*].*?[*]/\s*)?)(#if\s+0)`, ByGroups(UsingSelf("root"), CommentPreproc), Push("if0")},
|
|
{`^(\s*(?:/[*].*?[*]/\s*)?)(#)`, ByGroups(UsingSelf("root"), CommentPreproc), Push("macro")},
|
|
{`\n`, Text, nil},
|
|
{`\s+`, Text, nil},
|
|
{`\\\n`, Text, nil},
|
|
{`//(\n|[\w\W]*?[^\\]\n)`, CommentSingle, nil},
|
|
{`/(\\\n)?[*][\w\W]*?[*](\\\n)?/`, CommentMultiline, nil},
|
|
{`/(\\\n)?[*][\w\W]*`, CommentMultiline, nil},
|
|
},
|
|
"statements": {
|
|
{`(L?)(")`, ByGroups(LiteralStringAffix, LiteralString), Push("string")},
|
|
{`(L?)(')(\\.|\\[0-7]{1,3}|\\x[a-fA-F0-9]{1,2}|[^\\\'\n])(')`, ByGroups(LiteralStringAffix, LiteralStringChar, LiteralStringChar, LiteralStringChar), nil},
|
|
{`(\d+\.\d*|\.\d+|\d+)[eE][+-]?\d+[LlUu]*`, LiteralNumberFloat, nil},
|
|
{`(\d+\.\d*|\.\d+|\d+[fF])[fF]?`, LiteralNumberFloat, nil},
|
|
{`0x[0-9a-fA-F]+[LlUu]*`, LiteralNumberHex, nil},
|
|
{`0[0-7]+[LlUu]*`, LiteralNumberOct, nil},
|
|
{`\d+[LlUu]*`, LiteralNumberInteger, nil},
|
|
{`\*/`, Error, nil},
|
|
{`[~!%^&*+=|?:<>/-]`, Operator, nil},
|
|
{`[()\[\],.]`, Punctuation, nil},
|
|
{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},
|
|
{`(bool|int|long|float|short|double|char((8|16|32)_t)?|unsigned|signed|void|u?int(_fast|_least|)(8|16|32|64)_t)\b`, KeywordType, nil},
|
|
{Words(``, `\b`, `inline`, `_inline`, `__inline`, `naked`, `restrict`, `thread`, `typename`), KeywordReserved, nil},
|
|
{`(__m(128i|128d|128|64))\b`, KeywordReserved, nil},
|
|
{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},
|
|
{`(true|false|NULL)\b`, NameBuiltin, nil},
|
|
{`([a-zA-Z_]\w*)(\s*)(:)(?!:)`, ByGroups(NameLabel, Text, Punctuation), nil},
|
|
{`[a-zA-Z_]\w*`, Name, nil},
|
|
},
|
|
"root": {
|
|
Include("whitespace"),
|
|
{`((?:[\w*\s])+?(?:\s|[*]))([a-zA-Z_]\w*)(\s*\([^;]*?\))([^;{]*)(\{)`, ByGroups(UsingSelf("root"), NameFunction, UsingSelf("root"), UsingSelf("root"), Punctuation), Push("function")},
|
|
{`((?:[\w*\s])+?(?:\s|[*]))([a-zA-Z_]\w*)(\s*\([^;]*?\))([^;]*)(;)`, ByGroups(UsingSelf("root"), NameFunction, UsingSelf("root"), UsingSelf("root"), Punctuation), nil},
|
|
Default(Push("statement")),
|
|
},
|
|
"statement": {
|
|
Include("whitespace"),
|
|
Include("statements"),
|
|
{`[{}]`, Punctuation, nil},
|
|
{`;`, Punctuation, Pop(1)},
|
|
},
|
|
"function": {
|
|
Include("whitespace"),
|
|
Include("statements"),
|
|
{`;`, Punctuation, nil},
|
|
{`\{`, Punctuation, Push()},
|
|
{`\}`, Punctuation, Pop(1)},
|
|
},
|
|
"string": {
|
|
{`"`, LiteralString, Pop(1)},
|
|
{`\\([\\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},
|
|
{`[^\\"\n]+`, LiteralString, nil},
|
|
{`\\\n`, LiteralString, nil},
|
|
{`\\`, LiteralString, nil},
|
|
},
|
|
"macro": {
|
|
{`(include)(\s*(?:/[*].*?[*]/\s*)?)([^\n]+)`, ByGroups(CommentPreproc, Text, CommentPreprocFile), nil},
|
|
{`[^/\n]+`, CommentPreproc, nil},
|
|
{`/[*](.|\n)*?[*]/`, CommentMultiline, nil},
|
|
{`//.*?\n`, CommentSingle, Pop(1)},
|
|
{`/`, CommentPreproc, nil},
|
|
{`(?<=\\)\n`, CommentPreproc, nil},
|
|
{`\n`, CommentPreproc, Pop(1)},
|
|
},
|
|
"if0": {
|
|
{`^\s*#if.*?(?<!\\)\n`, CommentPreproc, Push()},
|
|
{`^\s*#el(?:se|if).*\n`, CommentPreproc, Pop(1)},
|
|
{`^\s*#endif.*?(?<!\\)\n`, CommentPreproc, Pop(1)},
|
|
{`.*?\n`, Comment, nil},
|
|
},
|
|
}
|
|
}
|