mirror of https://gitea.com/gitea/tea.git
53 lines
1.5 KiB
Go
53 lines
1.5 KiB
Go
package s
|
|
|
|
import (
|
|
. "github.com/alecthomas/chroma" // nolint
|
|
"github.com/alecthomas/chroma/lexers/internal"
|
|
)
|
|
|
|
// Snobol lexer.
|
|
var Snobol = internal.Register(MustNewLazyLexer(
|
|
&Config{
|
|
Name: "Snobol",
|
|
Aliases: []string{"snobol"},
|
|
Filenames: []string{"*.snobol"},
|
|
MimeTypes: []string{"text/x-snobol"},
|
|
},
|
|
snobolRules,
|
|
))
|
|
|
|
func snobolRules() Rules {
|
|
return Rules{
|
|
"root": {
|
|
{`\*.*\n`, Comment, nil},
|
|
{`[+.] `, Punctuation, Push("statement")},
|
|
{`-.*\n`, Comment, nil},
|
|
{`END\s*\n`, NameLabel, Push("heredoc")},
|
|
{`[A-Za-z$][\w$]*`, NameLabel, Push("statement")},
|
|
{`\s+`, Text, Push("statement")},
|
|
},
|
|
"statement": {
|
|
{`\s*\n`, Text, Pop(1)},
|
|
{`\s+`, Text, nil},
|
|
{`(?<=[^\w.])(LT|LE|EQ|NE|GE|GT|INTEGER|IDENT|DIFFER|LGT|SIZE|REPLACE|TRIM|DUPL|REMDR|DATE|TIME|EVAL|APPLY|OPSYN|LOAD|UNLOAD|LEN|SPAN|BREAK|ANY|NOTANY|TAB|RTAB|REM|POS|RPOS|FAIL|FENCE|ABORT|ARB|ARBNO|BAL|SUCCEED|INPUT|OUTPUT|TERMINAL)(?=[^\w.])`, NameBuiltin, nil},
|
|
{`[A-Za-z][\w.]*`, Name, nil},
|
|
{`\*\*|[?$.!%*/#+\-@|&\\=]`, Operator, nil},
|
|
{`"[^"]*"`, LiteralString, nil},
|
|
{`'[^']*'`, LiteralString, nil},
|
|
{`[0-9]+(?=[^.EeDd])`, LiteralNumberInteger, nil},
|
|
{`[0-9]+(\.[0-9]*)?([EDed][-+]?[0-9]+)?`, LiteralNumberFloat, nil},
|
|
{`:`, Punctuation, Push("goto")},
|
|
{`[()<>,;]`, Punctuation, nil},
|
|
},
|
|
"goto": {
|
|
{`\s*\n`, Text, Pop(2)},
|
|
{`\s+`, Text, nil},
|
|
{`F|S`, Keyword, nil},
|
|
{`(\()([A-Za-z][\w.]*)(\))`, ByGroups(Punctuation, NameLabel, Punctuation), nil},
|
|
},
|
|
"heredoc": {
|
|
{`.*\n`, LiteralStringHeredoc, nil},
|
|
},
|
|
}
|
|
}
|