Tokens
any : '\0' .. '\uFFFF'
binary : '0' | '1'
decimal : '0'..'9'
octal : '0'..'7'
hexadecimal : '0'..'9' | 'a'..'f' | 'A'..'F'
alpha : 'a'..'z' | 'A'..'Z'
symbol : '=' | '>' | '<' | '+' | '-' | '*' | '/' | '!'
| '@' | '#' | '%' | '^' | '&' | '~' | '?' | '|'
| '\' | ':'
nl : "newline character"
semi : ';' | nl { nl }?
comma : ',' | nl { nl }?
comment : lineComment | multiLineComment | docComment
lineComment : '//' { any ^ nl } nl
multiLineComment : '/*' { any ^ '*/' } '*/'
docComment : '/**' { any ^ '*/' } '*/'
identifier : { '.' }? identifierSeparator? identifierPart { identifierSeparator identifierPart }?
identifier : '`' (any ^ '`') '`'
identifierSeparator : '_' | '$'
identifierPart : alphaIdentifier | symbolIdentifier
alphaIdentifier : alpha { alpha | decimal }?
symbolIdentifier : symbol { symbol }?
# Special Identifiers
dot : '.'
wildcard : '_'
ellipsis : '...'
null : 'null'
nil : 'nil'
boolean : 'true' | 'false'
number : int | long | float | double
int : binaryNum | octalNum | decimalNum | hexNum
binaryNum : '0b' binary { binary }?
octalNum : '0o' octal { octal }?
decimalNum : decimal { decimal }?
hexNum : '0x' hexadecimal { hexadecimal }?
long : int 'l' | int 'L'
floatingNum : decimalNum | decimalNum '.' decimalNum
float : floatingNum 'f' | floatingNum 'F'
double : floatingNum | floatingNum 'd' | floatingNum 'D'
charLiteral : "'" { any ^ "'" }? "'"
stringLiteral : '"' { any ^ '"' }? '"'
stringLiteral : stringStart
stringStart : '"' { any ^ "\(" } # Enables String Interpolation Mode
stringPart : ')' { any ^ '"' ^ '\(' } '\(' # If String Interpolation Mode is on
stringEnd : ')' { any ^ '"' } '"' # If String Interpolation Mode is on
verbatimString = '@"' { any ^ '"' } '"'
Last modified 4yr ago