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const ( // Single-character tokens LeftParen = "(" RightParen = ")" Comma = "," Dot = "." Minus = "-" Plus = "+" Colon = ":" Semicolon = ";" ForwardSlash = "/" BackSlash = "\\" Star = "*" Exponential = "^" LessThan = "<" GreaterThan = ">" Exclamation = "!" Hash = "#" Tilde = "~" LeftSquareBrace = "[" RightSquareBrace = "]" LeftCurlyBrace = "{" RightCurlyBrace = "}" // Two-character tokens Assign = ":=" Inequality1 = "<>" Inequality2 = "><" LessThanEqualTo1 = "<=" LessThanEqualTo2 = "=<" GreaterThanEqualTo1 = ">=" GreaterThanEqualTo2 = "=>" InterestinglyEqual = "==" Equal = "=" // Literals StringLiteral = "StringLiteral" NumericLiteral = "NumericLiteral" HexLiteral = "HexLiteral" IdentifierLiteral = "IdentifierLiteral" Comment = "Comment" Illegal = "Illegal" NewLine = "\n" // Keywords ABS = "ABS" AND = "AND" AREA = "AREA" ASC = "ASC" ASK = "ASK" ATN = "ATN" AUTO = "AUTO" BLOCK = "BLOCK" COPY = "COPY" READ = "READ" WRITE = "WRITE" BORDER = "BORDER" BOUNDS = "BOUNDS" BRUSH = "BRUSH" BUTTONS = "BUTTONS" BYE = "BYE" CHAROVER = "CHAROVER" CHARSET = "CHARSET" CHDIR = "CHDIR" CHRstr = "CHR$" CIRCLE = "CIRCLE" CLEAR = "CLEAR" CLG = "CLG" CLL = "CLL" CLOSE = "CLOSE" CLS = "CLS" COLOUR = "COLOUR" CONTINUE = "CONTINUE" COS = "COS" CREATE = "CREATE" MOVE = "MOVE" CURPOS = "CURPOS" CURSOR = "CURSOR" DATA = "DATA" DATE = "DATE" DATEstr = "DATE$" DEFINED = "DEFINED" DEG = "DEG" DELETE = "DELETE" DIM = "DIM" DIR = "DIR" DRAWING = "DRAWING" EDIT = "EDIT" END = "END" ENVELOPE = "ENVELOPE" ERASE = "ERASE" ERL = "ERL" ERR = "ERR" ERRstr = "ERR$" EXP = "EXP" FALSE = "FALSE" FKEY = "FKEY" FLOOD = "FLOOD" EDGE = "EDGE" FLUSH = "FLUSH" FOR = "FOR" NEXT = "NEXT" FREE = "FREE" FSPACE = "FSPACE" FUNCTION = "FUNCTION" ENDFUN = "ENDFUN" GET = "GET" GETstr = "GET$" GLOBAL = "GLOBAL" GOSUB = "GOSUB" SUBROUTINE = "SUBROUTINE" GOTO = "GOTO" HEXstr = "HEX$" HOLD = "HOLD" HOME = "HOME" IF = "IF" THEN = "THEN" ELSE = "ELSE" INPUT = "INPUT" INSTR = "INSTR" INT = "INT" JOYSTICK = "JOYSTICK" JOYX = "JOYX" JOYY = "JOYY" KEYREP = "KEYREP" LEAVE = "LEAVE" LEFTstr = "LEFT$" LEN = "LEN" LET = "LET" LINE = "LINE" LIST = "LIST" LN = "LN" LOAD = "LOAD" LOADGO = "LOADGO" LOG = "LOG" LOOKUP = "LOOKUP" LVAR = "LVAR" MEM = "MEM" MERGE = "MERGE" MERGEGO = "MEREGO" MIDstr = "MID$" MIX = "MIX" MKDIR = "MKDIR" MOD = "MOD" MODE = "MODE" MOUSE = "MOUSE" NEW = "NEW" NOISE = "NOISE" NOT = "NOT" NOTE = "NOTE" ON = "ON" BREAK = "BREAK" EOF = "EOF" ERROR = "ERROR" OPEN = "OPEN" OR = "OR" ORIGIN = "ORIGIN" OVER = "OVER" PAPER = "PAPER" PATHstr = "PATH$" PATTERN = "PATTERN" PEN = "PEN" PI = "PI" PITCH = "PITCH" PLOT = "PLOT" DIRECTION = "DIRECTION" FONT = "FONT" CHAR = "CHAR" SIZE = "SIZE" POINTS = "POINTS" POS = "POS" POSX = "POSX" POSY = "POSY" PRINT = "PRINT" PROCEDURE = "PROCEDURE" ENDPROC = "ENDPROC" PROCS = "PROCS" PSAVE = "PSAVE" PUT = "PUT" QUEUE = "QUEUE" RAD = "RAD" REM = "REM" RENAME = "RENAME" TO = "TO" RENUMBER = "RENUMBER" REPEAT = "REPEAT" UNTIL = "UNTIL" RESTORE = "RESTORE" RESULT = "RESULT" RESUME = "RESUME" RETURN = "RETURN" RIGHTstr = "RIGHT$" RMDIR = "RMDIR" RND = "RND" RPOINT = "RPOINT" RUN = "RUN" SAVE = "SAVE" SGN = "SGN" SIN = "SIN" SLICE = "SLICE" SOUND = "SOUND" SPC = "SPC" SQR = "SQR" STOP = "STOP" STRINGstr = "STRING$" STRstr = "STR$" STYLE = "STYLE" TAB = "TAB" TAN = "TAN" TIME = "TIME" TIMEstr = "TIME$" TONE = "TONE" TRACE = "TRACE" TRUE = "TRUE" UNDERLINE = "UNDERLINE" VAL = "VAL" VERSION = "VERSION" VOICE = "VOICE" WARN = "WARN" WIDTH = "WIDTH" WRITING = "WRITING" XOR = "XOR" SET = "SET" STEP = "STEP" CONFIG = "CONFIG" BOOT = "BOOT" FETCH = "FETCH" WRITEBLOCK = "WRITEBLOCK" SQUASH = "SQUASH" CLEARBLOCK = "CLEARBLOCK" DELBLOCK = "DELBLOCK" KEEP = "KEEP" READBLOCK = "READBLOCK" COPYBLOCK = "COPYBLOCK" BLOCKSIZE = "BLOCKSIZE" FILL = "FILL" RECEIVE = "RECEIVE" )
Token types are defined here
Variables ¶
This section is empty.
Functions ¶
func IsOperator ¶
IsOperator receives a token and returns true if the token represents an operator otherwise false
Types ¶
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