mirror of
https://gitea.com/gitea/tea.git
synced 2024-11-25 03:51:36 +01:00
d6df0a53b5
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>
55 lines
1.9 KiB
Go
55 lines
1.9 KiB
Go
package p
|
||
|
||
import (
|
||
. "github.com/alecthomas/chroma" // nolint
|
||
"github.com/alecthomas/chroma/lexers/internal"
|
||
)
|
||
|
||
// Prolog lexer.
|
||
var Prolog = internal.Register(MustNewLazyLexer(
|
||
&Config{
|
||
Name: "Prolog",
|
||
Aliases: []string{"prolog"},
|
||
Filenames: []string{"*.ecl", "*.prolog", "*.pro", "*.pl"},
|
||
MimeTypes: []string{"text/x-prolog"},
|
||
},
|
||
prologRules,
|
||
))
|
||
|
||
func prologRules() Rules {
|
||
return Rules{
|
||
"root": {
|
||
{`/\*`, CommentMultiline, Push("nested-comment")},
|
||
{`%.*`, CommentSingle, nil},
|
||
{`0\'.`, LiteralStringChar, nil},
|
||
{`0b[01]+`, LiteralNumberBin, nil},
|
||
{`0o[0-7]+`, LiteralNumberOct, nil},
|
||
{`0x[0-9a-fA-F]+`, LiteralNumberHex, nil},
|
||
{`\d\d?\'[a-zA-Z0-9]+`, LiteralNumberInteger, nil},
|
||
{`(\d+\.\d*|\d*\.\d+)([eE][+-]?[0-9]+)?`, LiteralNumberFloat, nil},
|
||
{`\d+`, LiteralNumberInteger, nil},
|
||
{`[\[\](){}|.,;!]`, Punctuation, nil},
|
||
{`:-|-->`, Punctuation, nil},
|
||
{`"(?:\\x[0-9a-fA-F]+\\|\\u[0-9a-fA-F]{4}|\\U[0-9a-fA-F]{8}|\\[0-7]+\\|\\["\nabcefnrstv]|[^\\"])*"`, LiteralStringDouble, nil},
|
||
{`'(?:''|[^'])*'`, LiteralStringAtom, nil},
|
||
{`is\b`, Operator, nil},
|
||
{`(<|>|=<|>=|==|=:=|=|/|//|\*|\+|-)(?=\s|[a-zA-Z0-9\[])`, Operator, nil},
|
||
{`(mod|div|not)\b`, Operator, nil},
|
||
{`_`, Keyword, nil},
|
||
{`([a-z]+)(:)`, ByGroups(NameNamespace, Punctuation), nil},
|
||
{`([a-zÀ---][\w$À---]*)(\s*)(:-|-->)`, ByGroups(NameFunction, Text, Operator), nil},
|
||
{`([a-zÀ---][\w$À---]*)(\s*)(\()`, ByGroups(NameFunction, Text, Punctuation), nil},
|
||
{`[a-zÀ---][\w$À---]*`, LiteralStringAtom, nil},
|
||
{`[#&*+\-./:<=>?@\\^~¡-¿‐-〿]+`, LiteralStringAtom, nil},
|
||
{`[A-Z_]\w*`, NameVariable, nil},
|
||
{`\s+|[ --]`, Text, nil},
|
||
},
|
||
"nested-comment": {
|
||
{`\*/`, CommentMultiline, Pop(1)},
|
||
{`/\*`, CommentMultiline, Push()},
|
||
{`[^*/]+`, CommentMultiline, nil},
|
||
{`[*/]`, CommentMultiline, nil},
|
||
},
|
||
}
|
||
}
|