gitea/vendor/github.com/alecthomas/chroma/lexers/e/elm.go

64 lines
2.1 KiB
Go

package e
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Elm lexer.
var Elm = internal.Register(MustNewLazyLexer(
&Config{
Name: "Elm",
Aliases: []string{"elm"},
Filenames: []string{"*.elm"},
MimeTypes: []string{"text/x-elm"},
},
elmRules,
))
func elmRules() Rules {
return Rules{
"root": {
{`\{-`, CommentMultiline, Push("comment")},
{`--.*`, CommentSingle, nil},
{`\s+`, Text, nil},
{`"`, LiteralString, Push("doublequote")},
{`^\s*module\s*`, KeywordNamespace, Push("imports")},
{`^\s*import\s*`, KeywordNamespace, Push("imports")},
{`\[glsl\|.*`, NameEntity, Push("shader")},
{Words(``, `\b`, `alias`, `as`, `case`, `else`, `if`, `import`, `in`, `let`, `module`, `of`, `port`, `then`, `type`, `where`), KeywordReserved, nil},
{`[A-Z]\w*`, KeywordType, nil},
{`^main `, KeywordReserved, nil},
{Words(`\(`, `\)`, `~`, `||`, `|>`, `|`, "`", `^`, `\`, `'`, `>>`, `>=`, `>`, `==`, `=`, `<~`, `<|`, `<=`, `<<`, `<-`, `<`, `::`, `:`, `/=`, `//`, `/`, `..`, `.`, `->`, `-`, `++`, `+`, `*`, `&&`, `%`), NameFunction, nil},
{Words(``, ``, `~`, `||`, `|>`, `|`, "`", `^`, `\`, `'`, `>>`, `>=`, `>`, `==`, `=`, `<~`, `<|`, `<=`, `<<`, `<-`, `<`, `::`, `:`, `/=`, `//`, `/`, `..`, `.`, `->`, `-`, `++`, `+`, `*`, `&&`, `%`), NameFunction, nil},
Include("numbers"),
{`[a-z_][a-zA-Z_\']*`, NameVariable, nil},
{`[,()\[\]{}]`, Punctuation, nil},
},
"comment": {
{`-(?!\})`, CommentMultiline, nil},
{`\{-`, CommentMultiline, Push("comment")},
{`[^-}]`, CommentMultiline, nil},
{`-\}`, CommentMultiline, Pop(1)},
},
"doublequote": {
{`\\u[0-9a-fA-F]{4}`, LiteralStringEscape, nil},
{`\\[nrfvb\\"]`, LiteralStringEscape, nil},
{`[^"]`, LiteralString, nil},
{`"`, LiteralString, Pop(1)},
},
"imports": {
{`\w+(\.\w+)*`, NameClass, Pop(1)},
},
"numbers": {
{`_?\d+\.(?=\d+)`, LiteralNumberFloat, nil},
{`_?\d+`, LiteralNumberInteger, nil},
},
"shader": {
{`\|(?!\])`, NameEntity, nil},
{`\|\]`, NameEntity, Pop(1)},
{`.*\n`, NameEntity, nil},
},
}
}