forked from NYANDEV/forgejo
af7ffaa279
* 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>
75 lines
2.3 KiB
Go
Vendored
75 lines
2.3 KiB
Go
Vendored
package l
|
|
|
|
import (
|
|
. "github.com/alecthomas/chroma" // nolint
|
|
"github.com/alecthomas/chroma/lexers/internal"
|
|
)
|
|
|
|
// Lua lexer.
|
|
var Lua = internal.Register(MustNewLexer(
|
|
&Config{
|
|
Name: "Lua",
|
|
Aliases: []string{"lua"},
|
|
Filenames: []string{"*.lua", "*.wlua"},
|
|
MimeTypes: []string{"text/x-lua", "application/x-lua"},
|
|
},
|
|
Rules{
|
|
"root": {
|
|
{`#!.*`, CommentPreproc, nil},
|
|
Default(Push("base")),
|
|
},
|
|
"ws": {
|
|
{`(?:--\[(=*)\[[\w\W]*?\](\1)\])`, CommentMultiline, nil},
|
|
{`(?:--.*$)`, CommentSingle, nil},
|
|
{`(?:\s+)`, Text, nil},
|
|
},
|
|
"base": {
|
|
Include("ws"),
|
|
{`(?i)0x[\da-f]*(\.[\da-f]*)?(p[+-]?\d+)?`, LiteralNumberHex, nil},
|
|
{`(?i)(\d*\.\d+|\d+\.\d*)(e[+-]?\d+)?`, LiteralNumberFloat, nil},
|
|
{`(?i)\d+e[+-]?\d+`, LiteralNumberFloat, nil},
|
|
{`\d+`, LiteralNumberInteger, nil},
|
|
{`(?s)\[(=*)\[.*?\]\1\]`, LiteralString, nil},
|
|
{`::`, Punctuation, Push("label")},
|
|
{`\.{3}`, Punctuation, nil},
|
|
{`[=<>|~&+\-*/%#^]+|\.\.`, Operator, nil},
|
|
{`[\[\]{}().,:;]`, Punctuation, nil},
|
|
{`(and|or|not)\b`, OperatorWord, nil},
|
|
{`(break|do|else|elseif|end|for|if|in|repeat|return|then|until|while)\b`, KeywordReserved, nil},
|
|
{`goto\b`, KeywordReserved, Push("goto")},
|
|
{`(local)\b`, KeywordDeclaration, nil},
|
|
{`(true|false|nil)\b`, KeywordConstant, nil},
|
|
{`(function)\b`, KeywordReserved, Push("funcname")},
|
|
{`[A-Za-z_]\w*(\.[A-Za-z_]\w*)?`, Name, nil},
|
|
{`'`, LiteralStringSingle, Combined("stringescape", "sqs")},
|
|
{`"`, LiteralStringDouble, Combined("stringescape", "dqs")},
|
|
},
|
|
"funcname": {
|
|
Include("ws"),
|
|
{`[.:]`, Punctuation, nil},
|
|
{`(?:[^\W\d]\w*)(?=(?:(?:--\[(=*)\[[\w\W]*?\](\2)\])|(?:--.*$)|(?:\s+))*[.:])`, NameClass, nil},
|
|
{`(?:[^\W\d]\w*)`, NameFunction, Pop(1)},
|
|
{`\(`, Punctuation, Pop(1)},
|
|
},
|
|
"goto": {
|
|
Include("ws"),
|
|
{`(?:[^\W\d]\w*)`, NameLabel, Pop(1)},
|
|
},
|
|
"label": {
|
|
Include("ws"),
|
|
{`::`, Punctuation, Pop(1)},
|
|
{`(?:[^\W\d]\w*)`, NameLabel, nil},
|
|
},
|
|
"stringescape": {
|
|
{`\\([abfnrtv\\"\']|[\r\n]{1,2}|z\s*|x[0-9a-fA-F]{2}|\d{1,3}|u\{[0-9a-fA-F]+\})`, LiteralStringEscape, nil},
|
|
},
|
|
"sqs": {
|
|
{`'`, LiteralStringSingle, Pop(1)},
|
|
{`[^\\']+`, LiteralStringSingle, nil},
|
|
},
|
|
"dqs": {
|
|
{`"`, LiteralStringDouble, Pop(1)},
|
|
{`[^\\"]+`, LiteralStringDouble, nil},
|
|
},
|
|
},
|
|
))
|