pylite 简蟒 ver 0.0.9

A simple, lightweight implementation of python3-like language.

Roadmap

ver 0.1

• ~~lexical scope~~

• ~~exception support~~

• ~~try - except - finally~~

• ~~simple import~~

• ~~slice grammar~~

• ~~lambda function~~

• ~~argument unpack~~

• package import

• basic testcase

ver 0.2

• eval

• xxx if xxx else xxx grammar

• print fix for cycle reference

• filesystem

• ~~IO stream~~

• 'super' type

• repl

ver 0.3

• dll load

• decorator

• ~~multiple value assign~~

• builtin regex engine

• retval type hints

ver 0.4

• global/nonlocal

• local variables optimization

• unique integers

• operator overloading support

ver 0.5

• yield support

• clear memory leaks

ver 0.6

• make closure pass by reference

ver 0.X

• f-string

• async/await

• x for x in [...]

• nameless function

• libffi

• JIT

won't support

• encodings except utf-8/ucs2/ucs4

• while/for - else

• multiple inheritance

build

cmake is required, and a c99 compiler:

• gcc 4.8+

• clang 3.4+

• vs2013+

mkdir build
cd build
cmake ..

make (Linux/Mac/Mingw)
Open pylite.sln and build. (Visual Studio)

Example

hello.py

print('Hello World!')

shell:

pylite hello.py

No REPL yet.

License

• Zlib