1.3. 语法支持

支持 python3 标准语法的子集。

1.3.1. 对象支持

语法	编译时	运行时	Shell
模块定义	√	-	-
模块导入	√	√	√
类定义	√	√	√
类继承	√	√	√
方法定义	√	√	√
方法重载	√	√	√
方法调用	√	√	√
参数定义	√	√	√
参数赋值	√	√	√
对象新建	√	√	√
对象销毁	√	√	√
对象嵌套	√	√	√
控制流	√	√	√

1.3.2. Operator

+	-	*	/	==	>	<	>=	<=	%	**	//	!=	&	>>	<<	and	or	not	in	+=	-=	*=	/=
√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√

1.3.3. Control flow

Syntax	State
if	√
while	√
for in [list]	√
for in range(a, b)	√
for in [dict]	√
if elif else	√
for break/continue	√
while break/continue	√

1.3.4. Module

Syntax	Python Module	C Module
import [module]	√	√
import [module] as	√	-
from [module] import [class/function>]	√	-
from [module] import [class/function>] as	√	-
from [module] import *	-	PikaObj Module Only

1.3.5. List/Dict

Syntax	State
l = list()	√
l = [a, b, c]	√
d = dict()	√
d = {'a':x, 'b':y, 'c':z}	√

1.3.6. Slice

Syntax	str	bytes	list
test[i]	√	√	√
test[a : b]	√	√	√
test[a :]	√	√	√

1.3.7. Function Arguments

Syntax	State
Default Arguments	√
Keyword Arguments	√
Variable Positional Arguments (*args)	√
Variable Keyword Arguments (**kwargs)	√

1.3.8. String Formatting

Syntax	State
%-formatting	√
str.format()	-
f-strings (formatted string literals)	-

1.3.9. Comparison Operations

Syntax	Number	List	Dictionary
Equal (==)	√	-	-
Greater Than (>)	√	-	-
Less Than (<)	√	-	-
Greater Than or Equal To (>=)	√	-	-
Less Than or Equal To (<=)	√	-	-
Membership (in)	-	√	√ (keys)
Non-membership (not in)	-	√	√ (keys)
Identity (is)	√	√	√
Non-identity (is not)	√	√	√

1.3.10. Exception

Syntax	State
try:	√
except:	√
except [Exception]:	-
except [Exception] as [err]:	-
except: ... else:	-
raise:	√
raise [Exception]:	-
finally:	-

1.3.11. Context Managers

Syntax	State
with statement	-
custom context managers (using enter and exit methods)	-

1.3.12. Generators

Syntax	State
generator functions (using 'yield')	-
generator expressions	-