def p_stmt_print_cond_postfix_assign(p):
'stmt : if_assign IF condition_list ELSE expression SPLIT'
p[0] = DyqExecute(action='assign',
params=[
p[1][0],
DyqExecute(action='condition',
params=[p[3], p[1][1], p[5]])
])
def p_stmt_print_cond(p):
'''
stmt : IF condition_list COLON stmt_print SPLIT
| IF condition_list COLON SPLIT stmt_print SPLIT
'''
# 分为上面两种情况，一个stmt的位置在4,一个在5(0开始计数)
if len(p) < 7:
p[0] = DyqExecute(action='condition', params=[p[2], p[4]])
else:
p[0] = DyqExecute(action='condition', params=[p[2], p[5]])
def p_condition_list(p):
'''
condition_list : expression
| condition_list AND expression
| condition_list OR expression
'''
if len(p) > 2:
p[0] = DyqExecute(action='logop', params=p[1:])
else:
p[0] = p[1]
def p_expression_two_operator(p):
'''
expression : expression ADD expression
| expression REM expression
| expression MUL expression
| expression DIV expression
| expression MOD expression
| expression GT expression
| expression LT expression
| expression GE expression
| expression LE expression
| expression EQ expression
| expression NE expression
| expression POW expression
'''
p[0] = DyqExecute(action='binop', params=p[1:])
def p_stmt_print_assign(p):
'''
stmt : ID ASSIGN expression SPLIT
| ID ASSIGN condition_list SPLIT
'''
p[0] = DyqExecute(action='assign', params=[p[1], p[3]])
def p_stmt_print_cond_postfix_else(p):
'stmt : stmt_print IF condition_list ELSE stmt_print SPLIT'
p[0] = DyqExecute(action='condition', params=[p[3], p[1], p[5]])
def p_stmt_print_for(p):
'stmt : FOR ID IN range COLON stmt_print SPLIT'
p[0] = DyqExecute(action='loop', params=[p[2], p[4], p[6]])
def p_stmt_print_print(p):
'''
stmt_print : PRINT LPAREN expr_list RPAREN
'''
p[0] = DyqExecute(action='print', params=p[3])
def p_expression_var(p):
'expression : ID'
p[0] = DyqExecute(action='get', params=[p[1]])