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authorNeal Norwitz <nnorwitz@gmail.com>2006-06-03 04:49:00 (GMT)
committerNeal Norwitz <nnorwitz@gmail.com>2006-06-03 04:49:00 (GMT)
commita4136e14b96f67f5f229144b64c6e137713444f8 (patch)
tree8b64fcd2ce12f95731f6e79d5eb25ce7200126e3 /Mac/Tools/IDE/PyFontify.py
parentd609b1a20e9cc100d2998e030ec88347b6943904 (diff)
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Remove Mac OS 9 support (http://mail.python.org/pipermail/python-dev/2006-June/065538.html)
Diffstat (limited to 'Mac/Tools/IDE/PyFontify.py')
-rw-r--r--Mac/Tools/IDE/PyFontify.py155
1 files changed, 0 insertions, 155 deletions
diff --git a/Mac/Tools/IDE/PyFontify.py b/Mac/Tools/IDE/PyFontify.py
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-"""Module to analyze Python source code; for syntax coloring tools.
-
-Interface:
- tags = fontify(pytext, searchfrom, searchto)
-
-The 'pytext' argument is a string containing Python source code.
-The (optional) arguments 'searchfrom' and 'searchto' may contain a slice in pytext.
-The returned value is a list of tuples, formatted like this:
- [('keyword', 0, 6, None), ('keyword', 11, 17, None), ('comment', 23, 53, None), etc. ]
-The tuple contents are always like this:
- (tag, startindex, endindex, sublist)
-tag is one of 'keyword', 'string', 'comment' or 'identifier'
-sublist is not used, hence always None.
-"""
-
-# Based on FontText.py by Mitchell S. Chapman,
-# which was modified by Zachary Roadhouse,
-# then un-Tk'd by Just van Rossum.
-# Many thanks for regular expression debugging & authoring are due to:
-# Tim (the-incredib-ly y'rs) Peters and Cristian Tismer
-# So, who owns the copyright? ;-) How about this:
-# Copyright 1996-2001:
-# Mitchell S. Chapman,
-# Zachary Roadhouse,
-# Tim Peters,
-# Just van Rossum
-
-__version__ = "0.4"
-
-import string
-import re
-
-# First a little helper, since I don't like to repeat things. (Tismer speaking)
-import string
-def replace(where, what, with):
- return string.join(string.split(where, what), with)
-
-# This list of keywords is taken from ref/node13.html of the
-# Python 1.3 HTML documentation. ("access" is intentionally omitted.)
-keywordsList = [
- "assert", "exec",
- "del", "from", "lambda", "return",
- "and", "elif", "global", "not", "try",
- "break", "else", "if", "or", "while",
- "class", "except", "import", "pass",
- "continue", "finally", "in", "print",
- "def", "for", "is", "raise", "yield"]
-
-# Build up a regular expression which will match anything
-# interesting, including multi-line triple-quoted strings.
-commentPat = r"#[^\n]*"
-
-pat = r"q[^\\q\n]*(\\[\000-\377][^\\q\n]*)*q"
-quotePat = replace(pat, "q", "'") + "|" + replace(pat, 'q', '"')
-
-# Way to go, Tim!
-pat = r"""
- qqq
- [^\\q]*
- (
- ( \\[\000-\377]
- | q
- ( \\[\000-\377]
- | [^\q]
- | q
- ( \\[\000-\377]
- | [^\\q]
- )
- )
- )
- [^\\q]*
- )*
- qqq
-"""
-pat = string.join(string.split(pat), '') # get rid of whitespace
-tripleQuotePat = replace(pat, "q", "'") + "|" + replace(pat, 'q', '"')
-
-# Build up a regular expression which matches all and only
-# Python keywords. This will let us skip the uninteresting
-# identifier references.
-# nonKeyPat identifies characters which may legally precede
-# a keyword pattern.
-nonKeyPat = r"(^|[^a-zA-Z0-9_.\"'])"
-
-keyPat = nonKeyPat + "(" + "|".join(keywordsList) + ")" + nonKeyPat
-
-matchPat = commentPat + "|" + keyPat + "|" + tripleQuotePat + "|" + quotePat
-matchRE = re.compile(matchPat)
-
-idKeyPat = "[ \t]*[A-Za-z_][A-Za-z_0-9.]*" # Ident w. leading whitespace.
-idRE = re.compile(idKeyPat)
-
-
-def fontify(pytext, searchfrom = 0, searchto = None):
- if searchto is None:
- searchto = len(pytext)
- # Cache a few attributes for quicker reference.
- search = matchRE.search
- idSearch = idRE.search
-
- tags = []
- tags_append = tags.append
- commentTag = 'comment'
- stringTag = 'string'
- keywordTag = 'keyword'
- identifierTag = 'identifier'
-
- start = 0
- end = searchfrom
- while 1:
- m = search(pytext, end)
- if m is None:
- break # EXIT LOOP
- start = m.start()
- if start >= searchto:
- break # EXIT LOOP
- match = m.group(0)
- end = start + len(match)
- c = match[0]
- if c not in "#'\"":
- # Must have matched a keyword.
- if start <> searchfrom:
- # there's still a redundant char before and after it, strip!
- match = match[1:-1]
- start = start + 1
- else:
- # this is the first keyword in the text.
- # Only a space at the end.
- match = match[:-1]
- end = end - 1
- tags_append((keywordTag, start, end, None))
- # If this was a defining keyword, look ahead to the
- # following identifier.
- if match in ["def", "class"]:
- m = idSearch(pytext, end)
- if m is not None:
- start = m.start()
- if start == end:
- match = m.group(0)
- end = start + len(match)
- tags_append((identifierTag, start, end, None))
- elif c == "#":
- tags_append((commentTag, start, end, None))
- else:
- tags_append((stringTag, start, end, None))
- return tags
-
-
-def test(path):
- f = open(path)
- text = f.read()
- f.close()
- tags = fontify(text)
- for tag, start, end, sublist in tags:
- print tag, repr(text[start:end])