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package g
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Gas lexer.
var Gas = internal.Register(MustNewLazyLexer(
&Config{
Name: "GAS",
Aliases: []string{"gas", "asm"},
Filenames: []string{"*.s", "*.S"},
MimeTypes: []string{"text/x-gas"},
},
gasRules,
))
func gasRules() Rules {
return Rules{
"root": {
Include("whitespace"),
{`(?:[a-zA-Z$_][\w$.@-]*|\.[\w$.@-]+):`, NameLabel, nil},
{`\.(?:[a-zA-Z$_][\w$.@-]*|\.[\w$.@-]+)`, NameAttribute, Push("directive-args")},
{`lock|rep(n?z)?|data\d+`, NameAttribute, nil},
{`(?:[a-zA-Z$_][\w$.@-]*|\.[\w$.@-]+)`, NameFunction, Push("instruction-args")},
{`[\r\n]+`, Text, nil},
},
"directive-args": {
{`(?:[a-zA-Z$_][\w$.@-]*|\.[\w$.@-]+)`, NameConstant, nil},
{`"(\\"|[^"])*"`, LiteralString, nil},
{`@(?:[a-zA-Z$_][\w$.@-]*|\.[\w$.@-]+)`, NameAttribute, nil},
{`(?:0[xX][a-zA-Z0-9]+|\d+)`, LiteralNumberInteger, nil},
{`[\r\n]+`, Text, Pop(1)},
Include("punctuation"),
Include("whitespace"),
},
"instruction-args": {
{`([a-z0-9]+)( )(<)((?:[a-zA-Z$_][\w$.@-]*|\.[\w$.@-]+))(>)`, ByGroups(LiteralNumberHex, Text, Punctuation, NameConstant, Punctuation), nil},
{`([a-z0-9]+)( )(<)((?:[a-zA-Z$_][\w$.@-]*|\.[\w$.@-]+))([-+])((?:0[xX][a-zA-Z0-9]+|\d+))(>)`, ByGroups(LiteralNumberHex, Text, Punctuation, NameConstant, Punctuation, LiteralNumberInteger, Punctuation), nil},
{`(?:[a-zA-Z$_][\w$.@-]*|\.[\w$.@-]+)`, NameConstant, nil},
{`(?:0[xX][a-zA-Z0-9]+|\d+)`, LiteralNumberInteger, nil},
{`%(?:[a-zA-Z$_][\w$.@-]*|\.[\w$.@-]+)`, NameVariable, nil},
{`$(?:0[xX][a-zA-Z0-9]+|\d+)`, LiteralNumberInteger, nil},
{`$'(.|\\')'`, LiteralStringChar, nil},
{`[\r\n]+`, Text, Pop(1)},
Include("punctuation"),
Include("whitespace"),
},
"whitespace": {
{`\n`, Text, nil},
{`\s+`, Text, nil},
{`[;#].*?\n`, Comment, nil},
},
"punctuation": {
{`[-*,.()\[\]!:]+`, Punctuation, nil},
},
}
}
|
