1package m
 2
 3import (
 4	. "github.com/alecthomas/chroma" // nolint
 5	"github.com/alecthomas/chroma/lexers/internal"
 6	. "github.com/alecthomas/chroma/lexers/p" // nolint
 7)
 8
 9// Mako lexer.
10var Mako = internal.Register(MustNewLexer(
11	&Config{
12		Name:      "Mako",
13		Aliases:   []string{"mako"},
14		Filenames: []string{"*.mao"},
15		MimeTypes: []string{"application/x-mako"},
16	},
17	Rules{
18		"root": {
19			{`(\s*)(%)(\s*end(?:\w+))(\n|\Z)`, ByGroups(Text, CommentPreproc, Keyword, Other), nil},
20			{`(\s*)(%)([^\n]*)(\n|\Z)`, ByGroups(Text, CommentPreproc, Using(Python), Other), nil},
21			{`(\s*)(##[^\n]*)(\n|\Z)`, ByGroups(Text, CommentPreproc, Other), nil},
22			{`(?s)<%doc>.*?</%doc>`, CommentPreproc, nil},
23			{`(<%)([\w.:]+)`, ByGroups(CommentPreproc, NameBuiltin), Push("tag")},
24			{`(</%)([\w.:]+)(>)`, ByGroups(CommentPreproc, NameBuiltin, CommentPreproc), nil},
25			{`<%(?=([\w.:]+))`, CommentPreproc, Push("ondeftags")},
26			{`(<%(?:!?))(.*?)(%>)(?s)`, ByGroups(CommentPreproc, Using(Python), CommentPreproc), nil},
27			{`(\$\{)(.*?)(\})`, ByGroups(CommentPreproc, Using(Python), CommentPreproc), nil},
28			{`(?sx)
29                (.+?)                # anything, followed by:
30                (?:
31                 (?<=\n)(?=%|\#\#) | # an eval or comment line
32                 (?=\#\*) |          # multiline comment
33                 (?=</?%) |          # a python block
34                                     # call start or end
35                 (?=\$\{) |          # a substitution
36                 (?<=\n)(?=\s*%) |
37                                     # - don't consume
38                 (\\\n) |            # an escaped newline
39                 \Z                  # end of string
40                )
41            `, ByGroups(Other, Operator), nil},
42			{`\s+`, Text, nil},
43		},
44		"ondeftags": {
45			{`<%`, CommentPreproc, nil},
46			{`(?<=<%)(include|inherit|namespace|page)`, NameBuiltin, nil},
47			Include("tag"),
48		},
49		"tag": {
50			{`((?:\w+)\s*=)(\s*)(".*?")`, ByGroups(NameAttribute, Text, LiteralString), nil},
51			{`/?\s*>`, CommentPreproc, Pop(1)},
52			{`\s+`, Text, nil},
53		},
54		"attr": {
55			{`".*?"`, LiteralString, Pop(1)},
56			{`'.*?'`, LiteralString, Pop(1)},
57			{`[^\s>]+`, LiteralString, Pop(1)},
58		},
59	},
60))