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package a | ||
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import ( | ||
. "github.com/alecthomas/chroma" // nolint | ||
"github.com/alecthomas/chroma/lexers/internal" | ||
) | ||
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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, | ||
)) | ||
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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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@ Hello World in ARM Assembly for Linux system | ||
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.global _start | ||
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_start: | ||
mov r7, #4 @ Setup service call 4 (write) | ||
mov r0, #1 @ param 1 - File descriptor 1 = stdout | ||
ldr r1, =hello @ param 2 - address of string to print | ||
mov r2, #13 @ param 3 - length of hello world string | ||
svc 0 @ ask linux to write to stdout | ||
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mov r7, #1 @ Setup service call 1 (exit) | ||
mov r0, #0 @ param 1 - 0 = normal exit | ||
svc 0 @ ask linux to terminate us | ||
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.data | ||
hello: .ascii "Hello World!\n" |
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[ | ||
{"type":"CommentSingle","value":"@ Hello World in ARM Assembly for Linux system\n"}, | ||
{"type":"Text","value":"\n"}, | ||
{"type":"KeywordNamespace","value":".global"}, | ||
{"type":"NameLabel","value":" _start\n"}, | ||
{"type":"Text","value":"\n"}, | ||
{"type":"NameLabel","value":"_start"}, | ||
{"type":"Punctuation","value":":"}, | ||
{"type":"Text","value":"\n mov "}, | ||
{"type":"NameClass","value":"r7"}, | ||
{"type":"Text","value":", #"}, | ||
{"type":"LiteralNumberInteger","value":"4"}, | ||
{"type":"Text","value":" "}, | ||
{"type":"CommentSingle","value":"@ Setup service call 4 (write)\n"}, | ||
{"type":"Text","value":" mov "}, | ||
{"type":"NameClass","value":"r0"}, | ||
{"type":"Text","value":", #"}, | ||
{"type":"LiteralNumberInteger","value":"1"}, | ||
{"type":"Text","value":" "}, | ||
{"type":"CommentSingle","value":"@ param 1 - File descriptor 1 = stdout\n"}, | ||
{"type":"Text","value":" ldr "}, | ||
{"type":"NameClass","value":"r1"}, | ||
{"type":"Text","value":", ="}, | ||
{"type":"NameLabel","value":"hello"}, | ||
{"type":"Text","value":" "}, | ||
{"type":"CommentSingle","value":"@ param 2 - address of string to print\n"}, | ||
{"type":"Text","value":" mov "}, | ||
{"type":"NameClass","value":"r2"}, | ||
{"type":"Text","value":", #"}, | ||
{"type":"LiteralNumberInteger","value":"13"}, | ||
{"type":"Text","value":" "}, | ||
{"type":"CommentSingle","value":"@ param 3 - length of hello world string\n"}, | ||
{"type":"Text","value":" "}, | ||
{"type":"NameNamespace","value":"svc 0"}, | ||
{"type":"Text","value":" "}, | ||
{"type":"CommentSingle","value":"@ ask linux to write to stdout\n"}, | ||
{"type":"Text","value":"\n mov "}, | ||
{"type":"NameClass","value":"r7"}, | ||
{"type":"Text","value":", #"}, | ||
{"type":"LiteralNumberInteger","value":"1"}, | ||
{"type":"Text","value":" "}, | ||
{"type":"CommentSingle","value":"@ Setup service call 1 (exit)\n"}, | ||
{"type":"Text","value":" mov "}, | ||
{"type":"NameClass","value":"r0"}, | ||
{"type":"Text","value":", #"}, | ||
{"type":"LiteralNumberInteger","value":"0"}, | ||
{"type":"Text","value":" "}, | ||
{"type":"CommentSingle","value":"@ param 1 - 0 = normal exit\n"}, | ||
{"type":"Text","value":" "}, | ||
{"type":"NameNamespace","value":"svc 0"}, | ||
{"type":"Text","value":" "}, | ||
{"type":"CommentSingle","value":"@ ask linux to terminate us\n"}, | ||
{"type":"Text","value":"\n"}, | ||
{"type":"KeywordNamespace","value":".data"}, | ||
{"type":"Text","value":"\n"}, | ||
{"type":"NameLabel","value":"hello"}, | ||
{"type":"Punctuation","value":":"}, | ||
{"type":"KeywordNamespace","value":" .ascii "}, | ||
{"type":"Punctuation","value":"\""}, | ||
{"type":"LiteralStringDouble","value":"Hello World!\\n"}, | ||
{"type":"Punctuation","value":"\""} | ||
] |