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mirror of https://github.com/go-gitea/gitea synced 2024-11-06 10:14:25 +00:00
gitea/vendor/github.com/alecthomas/chroma/lexers/t/tablegen.go
mrsdizzie af7ffaa279
Server-side syntax highlighting for all code (#12047)
* Server-side syntax hilighting for all code

This PR does a few things:

* Remove all traces of highlight.js
* Use chroma library to provide fast syntax hilighting directly on the server
* Provide syntax hilighting for diffs
* Re-style both unified and split diffs views
* Add custom syntax hilighting styling for both regular and arc-green

Fixes #7729
Fixes #10157
Fixes #11825
Fixes #7728
Fixes #3872
Fixes #3682

And perhaps gets closer to #9553

* fix line marker

* fix repo search

* Fix single line select

* properly load settings

* npm uninstall highlight.js

* review suggestion

* code review

* forgot to call function

* fix test

* Apply suggestions from code review

suggestions from @silverwind thanks

Co-authored-by: silverwind <me@silverwind.io>

* code review

* copy/paste error

* Use const for highlight size limit

* Update web_src/less/_repository.less

Co-authored-by: Lauris BH <lauris@nix.lv>

* update size limit to 1MB and other styling tweaks

* fix highlighting for certain diff sections

* fix test

* add worker back as suggested

Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: Lauris BH <lauris@nix.lv>
2020-07-01 00:34:03 +03:00

43 lines
1.2 KiB
Go

package t
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// TableGen lexer.
var Tablegen = internal.Register(MustNewLexer(
&Config{
Name: "TableGen",
Aliases: []string{"tablegen"},
Filenames: []string{"*.td"},
MimeTypes: []string{"text/x-tablegen"},
},
Rules{
"root": {
Include("macro"),
Include("whitespace"),
{`c?"[^"]*?"`, LiteralString, nil},
Include("keyword"),
{`\$[_a-zA-Z][_\w]*`, NameVariable, nil},
{`\d*[_a-zA-Z][_\w]*`, NameVariable, nil},
{`\[\{[\w\W]*?\}\]`, LiteralString, nil},
{`[+-]?\d+|0x[\da-fA-F]+|0b[01]+`, LiteralNumber, nil},
{`[=<>{}\[\]()*.,!:;]`, Punctuation, nil},
},
"macro": {
{`(#include\s+)("[^"]*")`, ByGroups(CommentPreproc, LiteralString), nil},
{`^\s*#(ifdef|ifndef)\s+[_\w][_\w\d]*`, CommentPreproc, nil},
{`^\s*#define\s+[_\w][_\w\d]*`, CommentPreproc, nil},
{`^\s*#endif`, CommentPreproc, nil},
},
"whitespace": {
{`(\n|\s)+`, Text, nil},
{`//.*?\n`, Comment, nil},
},
"keyword": {
{Words(``, `\b`, `bit`, `bits`, `class`, `code`, `dag`, `def`, `defm`, `field`, `foreach`, `in`, `int`, `let`, `list`, `multiclass`, `string`), Keyword, nil},
},
},
))