mirror of
https://gitea.com/gitea/tea.git
synced 2024-12-04 14:46:40 -05:00
51 lines
1.9 KiB
Go
51 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(MustNewLexer(
|
|||
|
&Config{
|
|||
|
Name: "Prolog",
|
|||
|
Aliases: []string{"prolog"},
|
|||
|
Filenames: []string{"*.ecl", "*.prolog", "*.pro", "*.pl"},
|
|||
|
MimeTypes: []string{"text/x-prolog"},
|
|||
|
},
|
|||
|
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},
|
|||
|
},
|
|||
|
},
|
|||
|
))
|