def p_elif2(p):
'''elif : ELIF expr block elif
| ELIF expr block else
'''
p[0] =Node('IF')
p[0].cond = p[2]
p[0].body = p[3].body
p[0].orelse = p[4]
def p_if2(p):
'''if : IF expr block elif
| IF expr block else
'''
p[0] = Node('IF')
p[0].cond = p[1]
p[0].body=p[3].body
p[0].orelse = p[4]
def p_if(p):
"""if : IF expr block"""
p[0] = Node("If")
p[0].cond = p[2]
p[0].body = p[3]
def p_while(p):
"""while : WHILE LPAREN expr RPAREN block"""
p[0] = Node("While")
p[0].cond = p[3]
p[0].body = p[5]
def p_while1(p):
'''while : WHILE expr block
'''
p[0] =Node('WHILE')
p[0].cond = p[2]
p[0].body=p[3].body
def p_elif1(p):
'''elif : ELIF expr block
'''
p[0] =Node('IF')
p[0].cond = p[2]
p[0].body = p[3].body
def p_if1(p):
'''if : IF expr block
'''
p[0]=Node('IF')
p[0].cond = p[2]
p[0].body = p[3].body