Files
RustPython/crawl_sourcecode.py
2019-07-16 22:04:38 +02:00

46 lines
1.1 KiB
Python

import ast
import sys
import symtable
filename = sys.argv[1]
print('Crawling file:', filename)
with open(filename, 'r') as f:
source = f.read()
t = ast.parse(source)
print(t)
shift = 3
def print_node(node, indent=0):
if isinstance(node, ast.AST):
print(' '*indent, "NODE", node.__class__.__name__)
for field in node._fields:
print(' '*indent,'-', field)
f = getattr(node, field)
if isinstance(f, list):
for f2 in f:
print_node(f2, indent=indent+shift)
else:
print_node(f, indent=indent+shift)
else:
print(' '*indent, 'OBJ', node)
print_node(t)
# print(ast.dump(t))
def print_table(table, indent=0):
print(' '*indent, 'table:', table.get_name())
print(' '*indent, ' ', 'Syms:')
for sym in table.get_symbols():
print(' '*indent, ' ', sym)
print(' '*indent, ' ', 'Child tables:')
for child in table.get_children():
print_table(child, indent=indent+shift)
table = symtable.symtable(source, 'a', 'exec')
print_table(table)