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class Lexer:
line = 1
def __init__(self):
return
def reserve(self, word):
return
def scan():
return
class Tag:
# lexer tokens
NUMBER = 1
TRUE = 2
FALSE = 3
IDENT = 4
WHILE = 5
IF = 6
ELSE = 7
END = 8
LBRAK = 9
RBRAK = 10
LPAREN = 11
RPAREN = 12
NEWLINE = 13
COMMA = 14
FUN = 15
ASSIGNMENT = 16
RETURN = 17
OPERATOR = 18
# parser tokens
BOOL = 19
JOIN = 20
EQUALITY = 21
RELATION = 22
EXPRESSION = 23
TERM = 24
UNARY = 25
FACTOR = 26
IDENT_LIST = 27
EXPRESSION_LIST = 28
PROGRAM = 29
FUNCTION = 30
STATEMENT = 31
STATEMENTS = 32
IF_STATEMENT = 33
WHILE_STATEMENT = 34
RETURN_STATEMENT = 35
ASSIGN_STATEMENT = 36
FUNCTION_CALL = 37
class Token:
tag = None
def __init__(self, tag):
return
def __str__(self):
return
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