cpython source code study note

http://www.python.org/dev/peps/pep-0339/

http://eli.thegreenplace.net/articles/

Python compiler

Python 2.7.2 source code

• main():Modules/python.c 
• Py_Main():Modules/main.c
• Py_Initialize(): Python/pythonrun.c
• PyRun_SimpleFileExFlags
• PyRun_FileExFlags
• PyParser_ASTFromFile returns AST module
• Parser build CST: PyParser_ParseFileFlagsEx: Parser/parsetok.c
• Transform CST to AST: PyAST_FromNode(): Python/ast.c
• run_mod(mod) 
• PyAST_Compile(mod) compile AST into byte code
• PyEval_EvalCode runs the byte code
• create first interpreter PyInterperterState_New()
• create first thread PyThreadState_New()
• initialize __builtin__ module: _PyBuiltin_Init()
• initialize sys module: _PySys_init()