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#! /usr/bin/env python
# encoding: utf-8
# WARNING! Do not edit! https://waf.io/book/index.html#_obtaining_the_waf_file
import re
from waflib import Utils
def filter_comments(filename):
txt = Utils.readf(filename)
i = 0
buf = []
max = len(txt)
begin = 0
while i < max:
c = txt[i]
if c == '"' or c == "'":
buf.append(txt[begin:i])
delim = c
i += 1
while i < max:
c = txt[i]
if c == delim:
break
elif c == '\\':
i += 1
i += 1
i += 1
begin = i
elif c == '/':
buf.append(txt[begin:i])
i += 1
if i == max:
break
c = txt[i]
if c == '+':
i += 1
nesting = 1
c = None
while i < max:
prev = c
c = txt[i]
if prev == '/' and c == '+':
nesting += 1
c = None
elif prev == '+' and c == '/':
nesting -= 1
if nesting == 0:
break
c = None
i += 1
elif c == '*':
i += 1
c = None
while i < max:
prev = c
c = txt[i]
if prev == '*' and c == '/':
break
i += 1
elif c == '/':
i += 1
while i < max and txt[i] != '\n':
i += 1
else:
begin = i - 1
continue
i += 1
begin = i
buf.append(' ')
else:
i += 1
buf.append(txt[begin:])
return buf
class d_parser(object):
def __init__(self, env, incpaths):
self.allnames = []
self.re_module = re.compile(r"module\s+([^;]+)")
self.re_import = re.compile(r"import\s+([^;]+)")
self.re_import_bindings = re.compile("([^:]+):(.*)")
self.re_import_alias = re.compile("[^=]+=(.+)")
self.env = env
self.nodes = []
self.names = []
self.incpaths = incpaths
def tryfind(self, filename):
found = 0
for n in self.incpaths:
found = n.find_resource(filename.replace('.', '/') + '.d')
if found:
self.nodes.append(found)
self.waiting.append(found)
break
if not found:
if not filename in self.names:
self.names.append(filename)
def get_strings(self, code):
self.module = ''
lst = []
mod_name = self.re_module.search(code)
if mod_name:
self.module = re.sub(r'\s+', '', mod_name.group(1))
import_iterator = self.re_import.finditer(code)
if import_iterator:
for import_match in import_iterator:
import_match_str = re.sub(r'\s+', '', import_match.group(1))
bindings_match = self.re_import_bindings.match(import_match_str)
if bindings_match:
import_match_str = bindings_match.group(1)
matches = import_match_str.split(',')
for match in matches:
alias_match = self.re_import_alias.match(match)
if alias_match:
match = alias_match.group(1)
lst.append(match)
return lst
def start(self, node):
self.waiting = [node]
while self.waiting:
nd = self.waiting.pop(0)
self.iter(nd)
def iter(self, node):
path = node.abspath()
code = "".join(filter_comments(path))
names = self.get_strings(code)
for x in names:
if x in self.allnames:
continue
self.allnames.append(x)
self.tryfind(x)
def scan(self):
env = self.env
gruik = d_parser(env, self.generator.includes_nodes)
node = self.inputs[0]
gruik.start(node)
nodes = gruik.nodes
names = gruik.names
return (nodes, names)
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