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Server-side syntax highlighting for all code (#12047)

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* 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>
This commit is contained in:
mrsdizzie 2020-06-30 17:34:03 -04:00 • committed by GitHub
parent ce5f2b9845
commit af7ffaa279
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GPG key ID: 4AEE18F83AFDEB23
336 changed files with 37293 additions and 769 deletions
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66
vendor/github.com/alecthomas/chroma/lexers/v/vhdl.go generated vendored Normal file
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@ -0,0 +1,66 @@
package v
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// VHDL lexer.
var VHDL = internal.Register(MustNewLexer(
&Config{
Name: "VHDL",
Aliases: []string{"vhdl"},
Filenames: []string{"*.vhdl", "*.vhd"},
MimeTypes: []string{"text/x-vhdl"},
CaseInsensitive: true,
},
Rules{
"root": {
{`\n`, Text, nil},
{`\s+`, Text, nil},
{`\\\n`, Text, nil},
{`--.*?$`, CommentSingle, nil},
{`'(U|X|0|1|Z|W|L|H|-)'`, LiteralStringChar, nil},
{`[~!%^&*+=|?:<>/-]`, Operator, nil},
{`'[a-z_]\w*`, NameAttribute, nil},
{`[()\[\],.;\']`, Punctuation, nil},
{`"[^\n\\"]*"`, LiteralString, nil},
{`(library)(\s+)([a-z_]\w*)`, ByGroups(Keyword, Text, NameNamespace), nil},
{`(use)(\s+)(entity)`, ByGroups(Keyword, Text, Keyword), nil},
{`(use)(\s+)([a-z_][\w.]*\.)(all)`, ByGroups(Keyword, Text, NameNamespace, Keyword), nil},
{`(use)(\s+)([a-z_][\w.]*)`, ByGroups(Keyword, Text, NameNamespace), nil},
{`(std|ieee)(\.[a-z_]\w*)`, ByGroups(NameNamespace, NameNamespace), nil},
{Words(``, `\b`, `std`, `ieee`, `work`), NameNamespace, nil},
{`(entity|component)(\s+)([a-z_]\w*)`, ByGroups(Keyword, Text, NameClass), nil},
{`(architecture|configuration)(\s+)([a-z_]\w*)(\s+)(of)(\s+)([a-z_]\w*)(\s+)(is)`, ByGroups(Keyword, Text, NameClass, Text, Keyword, Text, NameClass, Text, Keyword), nil},
{`([a-z_]\w*)(:)(\s+)(process|for)`, ByGroups(NameClass, Operator, Text, Keyword), nil},
// This seems to cause a recursive loop.
// {`(end)(\s+)`, ByGroups(UsingSelf("root"), Text), Push("endblock")},
{`(end)(\s+)`, ByGroups(Keyword, Text), Push("endblock")},
Include("types"),
Include("keywords"),
Include("numbers"),
{`[a-z_]\w*`, Name, nil},
},
"endblock": {
Include("keywords"),
{`[a-z_]\w*`, NameClass, nil},
{`(\s+)`, Text, nil},
{`;`, Punctuation, Pop(1)},
},
"types": {
{Words(``, `\b`, `boolean`, `bit`, `character`, `severity_level`, `integer`, `time`, `delay_length`, `natural`, `positive`, `string`, `bit_vector`, `file_open_kind`, `file_open_status`, `std_ulogic`, `std_ulogic_vector`, `std_logic`, `std_logic_vector`, `signed`, `unsigned`), KeywordType, nil},
},
"keywords": {
{Words(``, `\b`, `abs`, `access`, `after`, `alias`, `all`, `and`, `architecture`, `array`, `assert`, `attribute`, `begin`, `block`, `body`, `buffer`, `bus`, `case`, `component`, `configuration`, `constant`, `disconnect`, `downto`, `else`, `elsif`, `end`, `entity`, `exit`, `file`, `for`, `function`, `generate`, `generic`, `group`, `guarded`, `if`, `impure`, `in`, `inertial`, `inout`, `is`, `label`, `library`, `linkage`, `literal`, `loop`, `map`, `mod`, `nand`, `new`, `next`, `nor`, `not`, `null`, `of`, `on`, `open`, `or`, `others`, `out`, `package`, `port`, `postponed`, `procedure`, `process`, `pure`, `range`, `record`, `register`, `reject`, `rem`, `return`, `rol`, `ror`, `select`, `severity`, `signal`, `shared`, `sla`, `sll`, `sra`, `srl`, `subtype`, `then`, `to`, `transport`, `type`, `units`, `until`, `use`, `variable`, `wait`, `when`, `while`, `with`, `xnor`, `xor`), Keyword, nil},
},
"numbers": {
{`\d{1,2}#[0-9a-f_]+#?`, LiteralNumberInteger, nil},
{`\d+`, LiteralNumberInteger, nil},
{`(\d+\.\d*|\.\d+|\d+)E[+-]?\d+`, LiteralNumberFloat, nil},
{`X"[0-9a-f_]+"`, LiteralNumberHex, nil},
{`O"[0-7_]+"`, LiteralNumberOct, nil},
{`B"[01_]+"`, LiteralNumberBin, nil},
},
},
))