Python parse示例

示例#1

文件： main.py 项目： marunouchiR5/CompilePrinciple-SU

#! /usr/bin/env python
# coding=utf-8
from py_yacc import yacc
from util import clear_text
from translation import Tran

text = clear_text(open('quick_sort.py', 'r').read())

# syntax parse
root = yacc.parse(text)
root.print_node(0)

# translation

t = Tran()
t.trans(root)
print t.v_table

示例#2

#! /usr/bin/env python
#coding=utf-8
from py_yacc import yacc
from util import clear_text
from translation import trans,v_table

text1=clear_text(open('select_sort.py','r').readlines())
text2=clear_text(open('binary_search.py','r').readlines())

# syntax parse
root1=yacc.parse(text1)
root2=yacc.parse(text2)
print("select_sort.py:")
print("======================================================")
root1.print_node(0)
print()
print("binary_search.py:")
print("======================================================")
root2.print_node(0)

print('-------------------------------------')

# translation
print("translation: ")
print("select_sort.py:")
print("======================================================")
trans(root1)
print (v_table)
print()

v_table.clear()