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package a
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
var ArmAsm = internal.Register(MustNewLazyLexer(
&Config{
Name: "ArmAsm",
Aliases: []string{"armasm"},
EnsureNL: true,
Filenames: []string{"*.s", "*.S"},
MimeTypes: []string{"text/x-armasm", "text/x-asm"},
},
armasmRules,
))
func armasmRules() Rules {
return Rules{
"commentsandwhitespace": {
{`\s+`, Text, nil},
{`[@;].*?\n`, CommentSingle, nil},
{`/\*.*?\*/`, CommentMultiline, nil},
},
"literal": {
// Binary
{`0b[01]+`, NumberBin, Pop(1)},
// Hex
{`0x\w{1,8}`, NumberHex, Pop(1)},
// Octal
{`0\d+`, NumberOct, Pop(1)},
// Float
{`\d+?\.\d+?`, NumberFloat, Pop(1)},
// Integer
{`\d+`, NumberInteger, Pop(1)},
// String
{`(")(.+)(")`, ByGroups(Punctuation, StringDouble, Punctuation), Pop(1)},
// Char
{`(')(.{1}|\\.{1})(')`, ByGroups(Punctuation, StringChar, Punctuation), Pop(1)},
},
"opcode": {
// Escape at line end
{`\n`, Text, Pop(1)},
// Comment
{`(@|;).*\n`, CommentSingle, Pop(1)},
// Whitespace
{`(\s+|,)`, Text, nil},
// Register by number
{`[rapcfxwbhsdqv]\d{1,2}`, NameClass, nil},
// Address by hex
{`=0x\w+`, ByGroups(Text, NameLabel), nil},
// Pseudo address by label
{`(=)(\w+)`, ByGroups(Text, NameLabel), nil},
// Immediate
{`#`, Text, Push("literal")},
},
"root": {
Include("commentsandwhitespace"),
// Directive with optional param
{`(\.\w+)([ \t]+\w+\s+?)?`, ByGroups(KeywordNamespace, NameLabel), nil},
// Label with data
{`(\w+)(:)(\s+\.\w+\s+)`, ByGroups(NameLabel, Punctuation, KeywordNamespace), Push("literal")},
// Label
{`(\w+)(:)`, ByGroups(NameLabel, Punctuation), nil},
// Syscall Op
{`svc\s+\w+`, NameNamespace, nil},
// Opcode
{`[a-zA-Z]+`, Text, Push("opcode")},
},
}
}
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