def p_expression_binary_operator(p):
""" expression : expression PLUS expression
| expression MINUS expression
| expression TIMES expression
| expression DIVIDE expression
| expression GREATER expression
| expression LESS expression
| expression GREATER_EQUAL expression
| expression LESS_EQUAL expression
| expression EQUALS expression
| expression NOT_EQUALS expression
| expression DOT_PLUS expression
| expression DOT_MINUS expression
| expression DOT_TIMES expression
| expression DOT_DIVIDE expression
"""
p[0] = AST.OperatorExpression(p.linespan(0), p[2], [p[1], p[3]])
def p_expression_right_unary_operator(p):
""" expression : expression APOSTROPHE """
p[0] = AST.OperatorExpression(p.linespan(0), p[2], [p[1]])
def p_expression_unary_minus(p):
""" expression : MINUS expression %prec UNARY_MINUS """
p[0] = AST.OperatorExpression(p.linespan(0), 'u-', [p[2]])