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#!/usr/bin/python
import time
import os
import re
import parser
import compiler
import traceback
import symbol
import token
from compiler import ast
from compiler import consts
from plugins import exparse
todoexp = re.compile('(>?[a-zA-Z0-9 ]+):(.*)', re.DOTALL)
_bad_todo = dict.fromkeys('if elif else def cdef class try except finally for while lambda'.split())
_bad_urls = dict.fromkeys('http ftp mailto news gopher telnet file'.split())
def is_url(left, right, ml=0):
if left.lstrip().lower() in _bad_urls and right[:2] == '//':
return 1
if not ml and _pype.STRICT_TODO and left[:1] != '>':
return 1
return 0
def detectLineEndings(text):
crlf_ = text.count('\r\n')
lf_ = text.count('\n')
cr_ = text.count('\r')
mx = max(lf_, cr_)
if not mx:
return os.linesep
elif crlf_ >= mx/2:
return '\r\n'
elif lf_ is mx:
return '\n'
else:# cr_ is mx:
return '\r'
def leading(line):
return len(line)-len(line.lstrip())
#------------------------------- C/C++ parser --------------------------------
defn = '(?:is+)*(?:is+\*+s+)?(?:is*::s*)?cs*\(a\)\s*{'
rep = [('a', '(?:\b|b|b(?:,s*b)*)'),
('b', '(?:i?[ \t\*&]*is*(?:\[[^\]]*\])*)'),
('c', '(?:i|operator[^\w]+)'),
('d', '(?:(?:is+)*(?:is+\*+s+)?is*;f*)'),
('i', '(?:[a-zA-Z_]\w*)'),
('s', '[ \t]'),
('f', '\s'),
('y', '(?:[dD][eE][fF][iI][nN][eE])')]
fcn = '(#ys+i\(i(?:,s*i)*\))|(?:(cs*\([^\)]*\))[^{;\)]*[;{])'
sdef = '(c)s*\('
for i,j in rep:
try:
_ = re.compile(j)
except:
print j
raise
fcn = fcn.replace(i,j)
sdef = sdef.replace(i,j)
fcnre = re.compile(fcn)
sdefre = re.compile(sdef)
badstarts = []
for i in 'if for while switch case return'.split():
badstarts.append(i+'(')
badstarts.append(i+' ')
badstarts.append(i+'\t')
ops = '+-=<>?%!~^&(|/"\''
def c_parser(source, line_ending, flat, wxYield):
posn = 0
lc = 1
post = 0
out = []
docs = {}
for i in fcnre.finditer(source):
fcn = i.group(0).replace('\n', ' ')
#update line count
lc += post + source.count('\n', posn, i.start())
post = 0
post = source.count('\n', i.start(), i.end())
posn = i.end()
sm = sdefre.search(fcn)
short = sm.group(1)
#check for function-like macros
if fcn.lower().startswith('#define'):
out.append((fcn, (short.lower(), lc, short), 0, []))
docs.setdefault(short, []).append(fcn[sm.start():])
continue
#handle the 'badstarts'
cont = 0
for j in badstarts:
if fcn.startswith(j):
cont = 1
break
if cont:
continue
#handle function calls
pp = fcn.rfind(')')
if fcn.endswith(';'):
xx = fcn[pp+1:-1]
if not xx.strip():
continue
for j in ops:
if j in xx:
cont = 1
break
if cont:
continue
#get the start of the definition
linestart = source.rfind('\n', 0, i.start()) + 1 #yes, I really want this
fcns = source[linestart:i.start()]
dfcns = dict.fromkeys(fcns)
#check for operators in the beginning; for things like...
#x = fcncall(...) * X;
for j in ops:
if j in dfcns:
cont = 1
break
if cont:
continue
if '[' not in short:
docs.setdefault(short, []).append(fcn[sm.start():pp+1])
#use the entire definition
fcn = ' '.join(fcns.split() + fcn[:pp+1].split())
out.append((fcn, (short.lower(), lc, short), 0, []))
texp = todoexp
todo = []
line_no = 0
for line in source.split(line_ending):
line_no += 1
ls = line.strip()
if ls[:2] == '//':
r = texp.match(ls, 2)
if not r:
continue
tpl = r.groups()
if is_url(*tpl):
continue
if tpl[0][:1] == '>':
tpl = tpl[0][1:], tpl[1]
todo.append((tpl[0].strip().lower(),
line_no,
tpl[1].count('!'),
tpl[1].strip()))
#elif ...
return out, docs.keys(), docs, todo
def slower_parser(source, _1, flat, _2):
try:
out, docstring = exparse.parse(source)
except:
#parse error, defer to faster parser
return faster_parser(source, '\n', flat, _2)
texp = todoexp
bad_todo = _bad_todo
todo = []
for line_no, line in enumerate(source.split('\n')):
ls = line.lstrip()
if ls[:1] == '#':
r = texp.match(ls, 1 + ls.startswith('##'))
if r:
tpl = r.groups()
if tpl[0].split()[0] in bad_todo or is_url(*tpl):
continue
if tpl[0][:1] == '>':
tpl = tpl[0][1:], tpl[1]
todo.append((tpl[0].strip().lower(),
line_no+1,
tpl[1].count('!'),
tpl[1].strip()))
return out, docstring.keys(), docstring, todo
#
def faster_parser(source, line_ending, flat, wxYield):
texp = todoexp
bad_todo = _bad_todo
lines = source.split(line_ending)
docstring = {} #new_kwl()
todo = []
out = []
stk = []
line_no = 0
## SEQ = ('def ','class ')
FIL = lambda A:A[1][2]
def fun(i, line, ls, line_no, stk):
try: wxYield()
except: pass
na = ls.find('(')
ds = ls.find(':')
if na == -1:
na = ds
if na != -1:
if ds == -1:
ds = na
fn = ls[len(i):ds].strip()
if fn:
lead = len(line)-len(ls)
while stk and (stk[-1][2] >= lead):
prev = stk.pop()
if stk: stk[-1][-1].append(prev)
else: out.append(prev)
nam = i+fn
nl = nam.lower()
f = ls[len(i):na].strip()
if f in ('__init__', '__new__') and len(stk):
docstring.setdefault(stk[-1][1][-1], []).append("%s %s.%s"%(fn, '.'.join(map(FIL, stk)), f))
stk.append((nam, (f.lower(), line_no, f), lead, []))
docstring.setdefault(f, []).append("%s %s"%(fn, '.'.join(map(FIL, stk))))
for line in lines:
line_no += 1
ls = line.lstrip()
if ls[:4] == 'def ':
fun('def ', line, ls, line_no, stk)
elif ls[:5] == 'cdef ':
fun('cdef ', line, ls, line_no, stk)
elif ls[:6] == 'class ':
fun('class ', line, ls, line_no, stk)
elif ls[:1] == '#':
r = texp.match(ls, 1 + ls.startswith('##'))
if r:
tpl = r.groups()
if tpl[0].split()[0] in bad_todo or is_url(*tpl):
continue
if tpl[0][:1] == '>':
tpl = tpl[0][1:], tpl[1]
todo.append((tpl[0].strip().lower(),
line_no+1,
tpl[1].count('!'),
tpl[1].strip()))
#elif ls[:3] == '#>>':
# fun('#>>', line, ls, line_no, stk)
while len(stk)>1:
a = stk.pop()
stk[-1][-1].append(a)
out.extend(stk)
if flat == 0:
return out, docstring.keys()
elif flat==1:
return docstring
elif flat==2:
return out, docstring.keys(), docstring
else:
return out, docstring.keys(), docstring, todo
def fast_parser(*args, **kwargs):
return slower_parser(*args, **kwargs)
## (full, (lower, lineno, upper), indent, contents)
def latex_parser(source, line_ending, flat, _):
texp = todoexp
lines = source.split(line_ending)
todo = []
out = []
stk = []
line_no = 0
sections = ('\\section', '\\subsection', '\\subsubsection')
def f(which, line, ls, line_no, stk):
if which in sections:
ind = which.count('sub')
elif stk:
ind = 3
else:
ind = -1
while stk and stk[-1][2] >= ind:
it = stk.pop()
if stk:
stk[-1][-1].append(it)
else:
out.append(it)
na = ls.find('{')
ds = ls.find('}')
if na > 0 and ds > 0:
name = ls[na+1:ds].strip()
if ind >= 0:
stk.append((ls.rstrip(), (name.lower(), line_no, name), ind, []))
else:
out.append((ls.rstrip(), (name.lower(), line_no, name), 0, []))
for line in lines:
line_no += 1
ls = line.lstrip()
if ls[:1] == '%':
r = texp.match(ls, 1)
if r:
tpl = r.groups()
if is_url(*tpl):
continue
if tpl[0][:1] == '>':
tpl = tpl[0][1:], tpl[1]
todo.append((tpl[0].strip().lower(),
line_no,
tpl[1].count('!'),
tpl[1].strip()))
continue
elif ls[:6] == '\\label':
f('\\label', line, ls, line_no, stk)
for i in sections:
if ls[:len(i)] == i:
f(i, line, ls, line_no, stk)
break
while len(stk)>1:
a = stk.pop()
stk[-1][-1].append(a)
out.extend(stk)
if flat == 0:
return out, []
elif flat==1:
return {}
elif flat==2:
return out, [], {}
else:
return out, [], {}, todo
#Are there any other non-opening tags?
no_ends = []
for i in ('br p input img area base basefont '
'col frame hr isindex meta param').split():
no_ends.append(i+' ')
no_ends.append(i+'>')
no_ends.append('/'+i+' ')
no_ends.append('/'+i+'>')
def ml_parser(source, line_ending, flat, _):
todo = []
texp = todoexp
bad_todo = _bad_todo
for line_no, line in enumerate(source.split(line_ending)):
if '<!-- ' in line and ' -->' in line:
pass
else:
continue
posn1 = line.find('<!-- ')
posn2 = line.find(' -->')
if posn1 > posn2:
continue
r = texp.match(line, posn1+5, posn2)
if not r:
continue
tpl = r.groups()
if is_url(tpl[0], tpl[1], 1):
continue
todo.append((tpl[0].strip().lower(),
line_no+1,
tpl[1].count('!'),
tpl[1].strip()))
if flat == 0:
return [], []
elif flat==1:
return {}
elif flat==2:
return [], [], {}
else:
return [], [], {}, todo
'''
([('def foo(x, y=6, *args, **kwargs)', ('foo', 5, 'foo'), 0, []),
('class bar',
('bar', 9, 'bar'),
0,
[('def __init__(self, foo=a, bar={1:2})',
('__init__', 10, '__init__'),
4,
[])]),
('class Baz(object, int)',
('baz', 13, 'Baz'),
0,
[('def __init__(self, bar=(lambda:None))',
('__init__', 14, '__init__'),
4,
[('def goo()', ('goo', 16, 'goo'), 8, [])])])],
'''
if __name__ == '__main__':
a = '''import a, b, c
#todo: hello world
def foo(x, y=6, *args,
**kwargs):
return None
class bar:
def __init__(self, foo=a, bar={1:2}):
"""blah!"""
class Baz(object, int):
def __init__(self, bar=(lambda:None)):
"""blah 2"""
def goo():
pass
'''
import pprint
## pprint.pprint(get_defs(a,1))
pprint.pprint(slower_parser(a, '\n', 3, lambda:None)[0])