cheat/vendor/github.com/alecthomas/chroma/lexers/z/zed.go
2022-07-04 22:00:35 -04:00

53 lines
1.3 KiB
Go

package z
import (
"strings"
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Zed lexer.
var Zed = internal.Register(MustNewLazyLexer(
&Config{
Name: "Zed",
Aliases: []string{"zed"},
Filenames: []string{"*.zed"},
MimeTypes: []string{"text/zed"},
},
zedRules,
).SetAnalyser(func(text string) float32 {
if strings.Contains(text, "definition ") && strings.Contains(text, "relation ") && strings.Contains(text, "permission ") {
return 0.9
}
if strings.Contains(text, "definition ") {
return 0.5
}
if strings.Contains(text, "relation ") {
return 0.5
}
if strings.Contains(text, "permission ") {
return 0.25
}
return 0.0
}))
func zedRules() Rules {
return Rules{
"root": {
{`\n`, TextWhitespace, nil},
{`\s+`, TextWhitespace, nil},
{`//.*?\n`, CommentSingle, nil},
{`/(\\\n)?[*][\w\W]*?[*](\\\n)?/`, CommentMultiline, nil},
{`/(\\\n)?[*][\w\W]*`, CommentMultiline, nil},
{Words(``, `\b`, `definition`), KeywordType, nil},
{Words(``, `\b`, `relation`), KeywordNamespace, nil},
{Words(``, `\b`, `permission`), KeywordDeclaration, nil},
{`[a-zA-Z_]\w*/`, NameNamespace, nil},
{`[a-zA-Z_]\w*`, Name, nil},
{`#[a-zA-Z_]\w*`, NameVariable, nil},
{`[+%=><|^!?/\-*&~:]`, Operator, nil},
{`[{}()\[\],.;]`, Punctuation, nil},
},
}
}