def p_tuple_indexing(p):
'''
TUPLE_INDEXING : TUPLE_LIST
| TUPLE_INDEX INTEGER TUPLE_LIST
'''
if len(p) == 2:
p[0] = p[1]
elif len(p) == 4:
p[0] = ExpressionNode(p[2], p[3], operator=p[1])
else:
raise RuntimeError('Case not handled')
def p_exponentiation(p):
'''
EXPONENTIATION : LIST_STR_INDEXING
| LIST_STR_INDEXING EXPONENT EXPONENTIATION
'''
if len(p) == 2:
p[0] = p[1]
elif len(p) == 4:
p[0] = ExpressionNode(p[1], p[3], operator=p[2])
else:
raise RuntimeError('Case not handled')
def p_membership(p):
'''
MEMBERSHIP : PLUS_MINUS
| MEMBERSHIP IN PLUS_MINUS
'''
if len(p) == 2:
p[0] = p[1]
elif len(p) == 4:
p[0] = ExpressionNode(p[1], p[3], operator=p[2])
else:
raise RuntimeError('Case not handled')
def p_urnary(p):
'''
URNARY : EXPONENTIATION
| MINUS URNARY
'''
if len(p) == 2:
p[0] = p[1]
elif len(p) == 3:
p[0] = ExpressionNode(0, p[2], operator=p[1])
else:
raise RuntimeError('Case not handled')
def p_cons_list(p):
'''
CONS_LIST : MEMBERSHIP
| MEMBERSHIP CONS CONS_LIST
'''
if len(p) == 2:
p[0] = p[1]
elif len(p) == 4:
p[0] = ExpressionNode(p[1], p[3], operator=p[2])
else:
raise RuntimeError('Case not handled')
def p_negation(p):
'''
NEGATION : COMPARISON
| NOT NEGATION
'''
if len(p) == 2:
p[0] = p[1]
elif len(p) == 3:
p[0] = ExpressionNode(p[2], operator=p[1])
else:
raise RuntimeError('Case not handled')
def p_and(p):
'''
AND : NEGATION
| AND ANDALSO NEGATION
'''
if len(p) == 2:
p[0] = p[1]
elif len(p) == 4:
p[0] = ExpressionNode(p[1], p[3], operator=p[2])
else:
raise RuntimeError('Case not handled')
def p_or(p):
'''
OR : AND
| OR ORELSE AND
'''
if len(p) == 2:
p[0] = p[1]
elif len(p) == 4:
p[0] = ExpressionNode(p[1], p[3], operator=p[2])
else:
raise RuntimeError('Case not handled')
def p_plus_minus(p):
'''
PLUS_MINUS : MULT_DIV
| PLUS_MINUS PLUS MULT_DIV
| PLUS_MINUS MINUS MULT_DIV
'''
if len(p) == 2:
p[0] = p[1]
elif len(p) == 4:
p[0] = ExpressionNode(p[1], p[3], operator=p[2])
else:
raise RuntimeError('Case not handled')
def p_list_str_indexing(p):
'''
LIST_STR_INDEXING : TUPLE_INDEXING
| LIST_STR_INDEXING LBRACKET OR RBRACKET
| LIST_STR_INDEXING LBRACKET OR RBRACKET TAKES_VALUE OR
'''
if len(p) == 2:
p[0] = p[1]
elif len(p) == 5:
p[0] = ExpressionNode(p[1], p[3], operator=p[2])
elif len(p) == 7:
p[0] = StatementNode(p[1], p[3], p[6], keyword=p[5])
else:
raise RuntimeError('Case not handled')
def p_mult_div(p):
'''
MULT_DIV : URNARY
| MULT_DIV TIMES URNARY
| MULT_DIV DIVIDE URNARY
| MULT_DIV DIV URNARY
| MULT_DIV MOD URNARY
'''
if len(p) == 2:
p[0] = p[1]
elif len(p) == 4:
p[0] = ExpressionNode(p[1], p[3], operator=p[2])
else:
raise RuntimeError('Case not handled')
def p_comparison(p):
'''
COMPARISON : CONS_LIST
| COMPARISON LESS_THAN CONS_LIST
| COMPARISON LESS_EQUAL CONS_LIST
| COMPARISON GREATER_THAN CONS_LIST
| COMPARISON GREATER_EQUAL CONS_LIST
| COMPARISON EQUAL CONS_LIST
| COMPARISON NOT_EQUAL CONS_LIST
'''
if len(p) == 2:
p[0] = p[1]
elif len(p) == 4:
p[0] = ExpressionNode(p[1], p[3], operator=p[2])
else:
raise RuntimeError('Case not handled')
def p_primary(p):
'''
PRIMARY : BOOLEAN
| INTEGER
| REAL
| STRING
| IDENTIFIER
| LPAREN OR RPAREN
'''
if len(p) == 2:
if isinstance(p[1], Node):
p[0] = p[1]
elif is_identifier(p[1]):
p[0] = VariableNode(p[1])
else:
p[0] = ExpressionNode(p[1])
elif len(p) == 4:
p[0] = p[2]
else:
raise RuntimeError('Case not handled')