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# Note: Work in progress
import os
import re
import time
import codecs
from StringIO import StringIO
import Version
from Code import CCodeWriter
from Cython import Utils
# need one-characters subsitutions (for now) so offsets aren't off
special_chars = [(u'<', u'\xF0', u'<'),
(u'>', u'\xF1', u'>'),
(u'&', u'\xF2', u'&')]
line_pos_comment = re.compile(r'/\*.*?<<<<<<<<<<<<<<.*?\*/\n*', re.DOTALL)
class AnnotationCCodeWriter(CCodeWriter):
def __init__(self, create_from=None, buffer=None, copy_formatting=True):
CCodeWriter.__init__(self, create_from, buffer, copy_formatting=True)
if create_from is None:
self.annotation_buffer = StringIO()
self.annotations = []
self.last_pos = None
self.code = {}
else:
# When creating an insertion point, keep references to the same database
self.annotation_buffer = create_from.annotation_buffer
self.annotations = create_from.annotations
self.code = create_from.code
self.last_pos = create_from.last_pos
def create_new(self, create_from, buffer, copy_formatting):
return AnnotationCCodeWriter(create_from, buffer, copy_formatting)
def write(self, s):
CCodeWriter.write(self, s)
self.annotation_buffer.write(s)
def mark_pos(self, pos):
if pos is not None:
CCodeWriter.mark_pos(self, pos)
if self.last_pos:
code = self.code.get(self.last_pos[1], "")
self.code[self.last_pos[1]] = code + self.annotation_buffer.getvalue()
self.annotation_buffer = StringIO()
self.last_pos = pos
def annotate(self, pos, item):
self.annotations.append((pos, item))
def save_annotation(self, source_filename, target_filename):
self.mark_pos(None)
f = Utils.open_source_file(source_filename)
lines = f.readlines()
for k in range(len(lines)):
line = lines[k]
for c, cc, html in special_chars:
line = line.replace(c, cc)
lines[k] = line
f.close()
all = []
for pos, item in self.annotations:
if pos[0] == source_filename:
start = item.start()
size, end = item.end()
if size:
all.append((pos, start))
all.append(((source_filename, pos[1], pos[2]+size), end))
else:
all.append((pos, start+end))
all.sort()
all.reverse()
for pos, item in all:
_, line_no, col = pos
line_no -= 1
col += 1
line = lines[line_no]
lines[line_no] = line[:col] + item + line[col:]
html_filename = os.path.splitext(target_filename)[0] + ".html"
f = codecs.open(html_filename, "w", encoding="UTF-8")
f.write(u'<html>\n')
f.write(u"""
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style type="text/css">
body { font-family: courier; font-size: 12; }
.code { font-size: 9; color: #444444; display: none; margin-left: 20px; }
.py_c_api { color: red; }
.py_macro_api { color: #FF7000; }
.pyx_c_api { color: #FF3000; }
.pyx_macro_api { color: #FF7000; }
.refnanny { color: #FFA000; }
.error_goto { color: #FFA000; }
.tag { }
.coerce { color: #008000; border: 1px dotted #008000 }
.py_attr { color: #FF0000; font-weight: bold; }
.c_attr { color: #0000FF; }
.py_call { color: #FF0000; font-weight: bold; }
.c_call { color: #0000FF; }
.line { margin: 0em }
</style>
<script>
function toggleDiv(id) {
theDiv = document.getElementById(id);
if (theDiv.style.display == 'none') theDiv.style.display = 'block';
else theDiv.style.display = 'none';
}
</script>
</head>
""")
f.write(u'<body>\n')
f.write(u'<p>Generated by Cython %s on %s\n' % (Version.version, time.asctime()))
c_file = Utils.encode_filename(os.path.basename(target_filename))
f.write(u'<p>Raw output: <a href="%s">%s</a>\n' % (c_file, c_file))
k = 0
py_c_api = re.compile(u'(Py[A-Z][a-z]+_[A-Z][a-z][A-Za-z_]+)\(')
py_marco_api = re.compile(u'(Py[A-Z][a-z]+_[A-Z][A-Z_]+)\(')
pyx_c_api = re.compile(u'(__Pyx_[A-Z][a-z_][A-Za-z_]+)\(')
pyx_macro_api = re.compile(u'(__Pyx_[A-Z][A-Z_]+)\(')
error_goto = re.compile(ur'((; *if .*)? \{__pyx_filename = .*goto __pyx_L\w+;\})')
refnanny = re.compile(u'(__Pyx_X?(GOT|GIVE)REF|__Pyx_RefNanny[A-Za-z]+)')
for line in lines:
k += 1
try:
code = self.code[k]
except KeyError:
code = ''
code, py_c_api_calls = py_c_api.subn(ur"<span class='py_c_api'>\1</span>(", code)
code, pyx_c_api_calls = pyx_c_api.subn(ur"<span class='pyx_c_api'>\1</span>(", code)
code, py_macro_api_calls = py_marco_api.subn(ur"<span class='py_macro_api'>\1</span>(", code)
code, pyx_macro_api_calls = pyx_macro_api.subn(ur"<span class='pyx_macro_api'>\1</span>(", code)
code, refnanny_calls = refnanny.subn(ur"<span class='refnanny'>\1</span>", code)
code, error_goto_calls = error_goto.subn(ur"<span class='error_goto'>\1</span>", code)
code = code.replace(u"<span class='error_goto'>;", u";<span class='error_goto'>")
score = 5*py_c_api_calls + 2*pyx_c_api_calls + py_macro_api_calls + pyx_macro_api_calls - refnanny_calls
color = u"FFFF%02x" % int(255/(1+score/10.0))
f.write(u"<pre class='line' style='background-color: #%s' onclick='toggleDiv(\"line%s\")'>" % (color, k))
f.write(u" %d: " % k)
for c, cc, html in special_chars:
line = line.replace(cc, html)
f.write(line.rstrip())
f.write(u'</pre>\n')
code = re.sub(line_pos_comment, '', code) # inline annotations are redundant
f.write(u"<pre id='line%s' class='code' style='background-color: #%s'>%s</pre>" % (k, color, code))
f.write(u'</body></html>\n')
f.close()
# TODO: make this cleaner
def escape(raw_string):
raw_string = raw_string.replace(u"\'", ur"’")
raw_string = raw_string.replace(u'\"', ur'"')
raw_string = raw_string.replace(u'\n', ur'<br>\n')
raw_string = raw_string.replace(u'\t', ur'\t')
return raw_string
class AnnotationItem(object):
def __init__(self, style, text, tag="", size=0):
self.style = style
self.text = text
self.tag = tag
self.size = size
def start(self):
return u"<span class='tag %s' title='%s'>%s" % (self.style, self.text, self.tag)
def end(self):
return self.size, u"</span>"
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