source: code/trunk/vendor/github.com/alecthomas/chroma/v2/lexers/mason.go@ 67

package lexers

import (
        . "github.com/alecthomas/chroma/v2" // nolint
)

// Mason lexer.
var Mason = Register(MustNewLexer(
        &Config{
                Name:      "Mason",
                Aliases:   []string{"mason"},
                Filenames: []string{"*.m", "*.mhtml", "*.mc", "*.mi", "autohandler", "dhandler"},
                MimeTypes: []string{"application/x-mason"},
                Priority:  0.1,
        },
        masonRules,
))

func masonRules() Rules {
        return Rules{
                "root": {
                        {`\s+`, Text, nil},
                        {`(<%doc>)(.*?)(</%doc>)(?s)`, ByGroups(NameTag, CommentMultiline, NameTag), nil},
                        {`(<%(?:def|method))(\s*)(.*?)(>)(.*?)(</%\2\s*>)(?s)`, ByGroups(NameTag, Text, NameFunction, NameTag, UsingSelf("root"), NameTag), nil},
                        {`(<%\w+)(.*?)(>)(.*?)(</%\2\s*>)(?s)`, ByGroups(NameTag, NameFunction, NameTag, Using("Perl"), NameTag), nil},
                        {`(<&[^|])(.*?)(,.*?)?(&>)(?s)`, ByGroups(NameTag, NameFunction, Using("Perl"), NameTag), nil},
                        {`(<&\|)(.*?)(,.*?)?(&>)(?s)`, ByGroups(NameTag, NameFunction, Using("Perl"), NameTag), nil},
                        {`</&>`, NameTag, nil},
                        {`(<%!?)(.*?)(%>)(?s)`, ByGroups(NameTag, Using("Perl"), NameTag), nil},
                        {`(?<=^)#[^\n]*(\n|\Z)`, Comment, nil},
                        {`(?<=^)(%)([^\n]*)(\n|\Z)`, ByGroups(NameTag, Using("Perl"), Other), nil},
                        {`(?sx)
                 (.+?)               # anything, followed by:
                 (?:
                  (?<=\n)(?=[%#]) |  # an eval or comment line
                  (?=</?[%&]) |      # a substitution or block or
                                     # call start or end
                                     # - don't consume
                  (\\\n) |           # an escaped newline
                  \Z                 # end of string
                 )`, ByGroups(Using("HTML"), Operator), nil},
                },
        }
}