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AutoComplete.py	8.79 KB	-rw-r--r--
AutoComplete.pyc	7.69 KB	-rw-r--r--
AutoComplete.pyo	7.69 KB	-rw-r--r--
AutoCompleteWindow.py	16.8 KB	-rw-r--r--
AutoCompleteWindow.pyc	12.15 KB	-rw-r--r--
AutoCompleteWindow.pyo	12.09 KB	-rw-r--r--
AutoExpand.py	2.42 KB	-rw-r--r--
AutoExpand.pyc	2.5 KB	-rw-r--r--
AutoExpand.pyo	2.5 KB	-rw-r--r--
Bindings.py	3.22 KB	-rw-r--r--
Bindings.pyc	4.76 KB	-rw-r--r--
Bindings.pyo	4.76 KB	-rw-r--r--
CREDITS.txt	1.82 KB	-rw-r--r--
CallTipWindow.py	5.98 KB	-rw-r--r--
CallTipWindow.pyc	6.14 KB	-rw-r--r--
CallTipWindow.pyo	6.14 KB	-rw-r--r--
CallTips.py	7.75 KB	-rw-r--r--
CallTips.pyc	10.14 KB	-rw-r--r--
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ChangeLog	55.07 KB	-rw-r--r--
ClassBrowser.py	6.22 KB	-rw-r--r--
ClassBrowser.pyc	8.95 KB	-rw-r--r--
ClassBrowser.pyo	8.95 KB	-rw-r--r--
CodeContext.py	8.15 KB	-rw-r--r--
CodeContext.pyc	6.52 KB	-rw-r--r--
CodeContext.pyo	6.47 KB	-rw-r--r--
ColorDelegator.py	10.13 KB	-rw-r--r--
ColorDelegator.pyc	8.71 KB	-rw-r--r--
ColorDelegator.pyo	8.71 KB	-rw-r--r--
Debugger.py	15.45 KB	-rw-r--r--
Debugger.pyc	16.55 KB	-rw-r--r--
Debugger.pyo	16.55 KB	-rw-r--r--
Delegator.py	831 B	-rw-r--r--
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Delegator.pyo	1.58 KB	-rw-r--r--
EditorWindow.py	63.29 KB	-rw-r--r--
EditorWindow.pyc	55.13 KB	-rw-r--r--
EditorWindow.pyo	55.03 KB	-rw-r--r--
FileList.py	3.57 KB	-rw-r--r--
FileList.pyc	3.86 KB	-rw-r--r--
FileList.pyo	3.82 KB	-rw-r--r--
FormatParagraph.py	5.66 KB	-rw-r--r--
FormatParagraph.pyc	4.69 KB	-rw-r--r--
FormatParagraph.pyo	4.69 KB	-rw-r--r--
GrepDialog.py	3.96 KB	-rw-r--r--
GrepDialog.pyc	4.9 KB	-rw-r--r--
GrepDialog.pyo	4.9 KB	-rw-r--r--
HISTORY.txt	10.08 KB	-rw-r--r--
HyperParser.py	10.31 KB	-rw-r--r--
HyperParser.pyc	6.49 KB	-rw-r--r--
HyperParser.pyo	6.49 KB	-rw-r--r--
IOBinding.py	20.69 KB	-rw-r--r--
IOBinding.pyc	17.16 KB	-rw-r--r--
IOBinding.pyo	17.16 KB	-rw-r--r--
IdleHistory.py	3.07 KB	-rw-r--r--
IdleHistory.pyc	3.13 KB	-rw-r--r--
IdleHistory.pyo	3.13 KB	-rw-r--r--
MultiCall.py	17.07 KB	-rw-r--r--
MultiCall.pyc	15.55 KB	-rw-r--r--
MultiCall.pyo	15.48 KB	-rw-r--r--
MultiStatusBar.py	783 B	-rw-r--r--
MultiStatusBar.pyc	1.49 KB	-rw-r--r--
MultiStatusBar.pyo	1.49 KB	-rw-r--r--
NEWS.txt	28.32 KB	-rw-r--r--
ObjectBrowser.py	4.05 KB	-rw-r--r--
ObjectBrowser.pyc	6.56 KB	-rw-r--r--
ObjectBrowser.pyo	6.56 KB	-rw-r--r--
OutputWindow.py	4.47 KB	-rw-r--r--
OutputWindow.pyc	5.11 KB	-rw-r--r--
OutputWindow.pyo	5.11 KB	-rw-r--r--
ParenMatch.py	6.47 KB	-rw-r--r--
ParenMatch.pyc	6.82 KB	-rw-r--r--
ParenMatch.pyo	6.82 KB	-rw-r--r--
PathBrowser.py	2.58 KB	-rw-r--r--
PathBrowser.pyc	4.02 KB	-rw-r--r--
PathBrowser.pyo	4.02 KB	-rw-r--r--
Percolator.py	2.55 KB	-rw-r--r--
Percolator.pyc	3.55 KB	-rw-r--r--
Percolator.pyo	3.37 KB	-rw-r--r--
PyParse.py	19.05 KB	-rw-r--r--
PyParse.pyc	9.77 KB	-rw-r--r--
PyParse.pyo	9.34 KB	-rw-r--r--
PyShell.py	54.81 KB	-rw-r--r--
PyShell.pyc	49.14 KB	-rw-r--r--
PyShell.pyo	49.04 KB	-rw-r--r--
README.txt	2.56 KB	-rw-r--r--
RemoteDebugger.py	11.38 KB	-rw-r--r--
RemoteDebugger.pyc	15.97 KB	-rw-r--r--
RemoteDebugger.pyo	15.82 KB	-rw-r--r--
RemoteObjectBrowser.py	942 B	-rw-r--r--
RemoteObjectBrowser.pyc	2.1 KB	-rw-r--r--
RemoteObjectBrowser.pyo	2.1 KB	-rw-r--r--
ReplaceDialog.py	5.69 KB	-rw-r--r--
ReplaceDialog.pyc	6.32 KB	-rw-r--r--
ReplaceDialog.pyo	6.32 KB	-rw-r--r--
RstripExtension.py	824 B	-rw-r--r--
RstripExtension.pyc	1.45 KB	-rw-r--r--
RstripExtension.pyo	1.45 KB	-rw-r--r--
ScriptBinding.py	8.22 KB	-rw-r--r--
ScriptBinding.pyc	7.96 KB	-rw-r--r--
ScriptBinding.pyo	7.96 KB	-rw-r--r--
ScrolledList.py	3.9 KB	-rw-r--r--
ScrolledList.pyc	6.03 KB	-rw-r--r--
ScrolledList.pyo	6.03 KB	-rw-r--r--
SearchDialog.py	1.99 KB	-rw-r--r--
SearchDialog.pyc	2.93 KB	-rw-r--r--
SearchDialog.pyo	2.93 KB	-rw-r--r--
SearchDialogBase.py	4.28 KB	-rw-r--r--
SearchDialogBase.pyc	5.37 KB	-rw-r--r--
SearchDialogBase.pyo	5.37 KB	-rw-r--r--
SearchEngine.py	6.57 KB	-rw-r--r--
SearchEngine.pyc	7.02 KB	-rw-r--r--
SearchEngine.pyo	7.02 KB	-rw-r--r--
StackViewer.py	3.77 KB	-rw-r--r--
StackViewer.pyc	5.79 KB	-rw-r--r--
StackViewer.pyo	5.79 KB	-rw-r--r--
TODO.txt	8.28 KB	-rw-r--r--
ToolTip.py	2.67 KB	-rw-r--r--
ToolTip.pyc	4.05 KB	-rw-r--r--
ToolTip.pyo	4.05 KB	-rw-r--r--
TreeWidget.py	14.87 KB	-rw-r--r--
TreeWidget.pyc	17.48 KB	-rw-r--r--
TreeWidget.pyo	17.48 KB	-rw-r--r--
UndoDelegator.py	10.04 KB	-rw-r--r--
UndoDelegator.pyc	12.27 KB	-rw-r--r--
UndoDelegator.pyo	12.27 KB	-rw-r--r--
WidgetRedirector.py	4.37 KB	-rw-r--r--
WidgetRedirector.pyc	5.23 KB	-rw-r--r--
WidgetRedirector.pyo	5.23 KB	-rw-r--r--
WindowList.py	2.42 KB	-rw-r--r--
WindowList.pyc	3.55 KB	-rw-r--r--
WindowList.pyo	3.55 KB	-rw-r--r--
ZoomHeight.py	1.28 KB	-rw-r--r--
ZoomHeight.pyc	1.61 KB	-rw-r--r--
ZoomHeight.pyo	1.61 KB	-rw-r--r--
__init__.py	37 B	-rw-r--r--
__init__.pyc	127 B	-rw-r--r--
__init__.pyo	127 B	-rw-r--r--
aboutDialog.py	6.42 KB	-rw-r--r--
aboutDialog.pyc	6.63 KB	-rw-r--r--
aboutDialog.pyo	6.63 KB	-rw-r--r--
config-extensions.def	2.72 KB	-rw-r--r--
config-highlight.def	1.7 KB	-rw-r--r--
config-keys.def	7.35 KB	-rw-r--r--
config-main.def	2.45 KB	-rw-r--r--
configDialog.py	52.23 KB	-rw-r--r--
configDialog.pyc	43.81 KB	-rw-r--r--
configDialog.pyo	43.81 KB	-rw-r--r--
configHandler.py	28.68 KB	-rw-r--r--
configHandler.pyc	26.83 KB	-rw-r--r--
configHandler.pyo	26.83 KB	-rw-r--r--
configHelpSourceEdit.py	6.52 KB	-rw-r--r--
configHelpSourceEdit.pyc	6.56 KB	-rw-r--r--
configHelpSourceEdit.pyo	6.56 KB	-rw-r--r--
configSectionNameDialog.py	3.63 KB	-rw-r--r--
configSectionNameDialog.pyc	4.21 KB	-rw-r--r--
configSectionNameDialog.pyo	4.21 KB	-rw-r--r--
dynOptionMenuWidget.py	1.27 KB	-rw-r--r--
dynOptionMenuWidget.pyc	1.66 KB	-rw-r--r--
dynOptionMenuWidget.pyo	1.66 KB	-rw-r--r--
extend.txt	3.56 KB	-rw-r--r--
help.txt	11.72 KB	-rw-r--r--
idle.py	400 B	-rw-r--r--
idle.pyc	406 B	-rw-r--r--
idle.pyo	406 B	-rw-r--r--
idle.pyw	664 B	-rw-r--r--
idlever.py	23 B	-rw-r--r--
idlever.pyc	159 B	-rw-r--r--
idlever.pyo	159 B	-rw-r--r--
keybindingDialog.py	12.12 KB	-rw-r--r--
keybindingDialog.pyc	12.05 KB	-rw-r--r--
keybindingDialog.pyo	12.05 KB	-rw-r--r--
macosxSupport.py	6.08 KB	-rw-r--r--
macosxSupport.pyc	6.25 KB	-rw-r--r--
macosxSupport.pyo	6.25 KB	-rw-r--r--
rpc.py	19.75 KB	-rw-r--r--
rpc.pyc	21.26 KB	-rw-r--r--
rpc.pyo	21.16 KB	-rw-r--r--
run.py	11.54 KB	-rw-r--r--
run.pyc	12.14 KB	-rw-r--r--
run.pyo	12.08 KB	-rw-r--r--
tabbedpages.py	17.76 KB	-rw-r--r--
tabbedpages.pyc	17.67 KB	-rw-r--r--
tabbedpages.pyo	17.67 KB	-rw-r--r--
textView.py	3.46 KB	-rw-r--r--
textView.pyc	4.2 KB	-rw-r--r--
textView.pyo	4.2 KB	-rw-r--r--

Code Editor : PyParse.py

import re
import sys

# Reason last stmt is continued (or C_NONE if it's not).
(C_NONE, C_BACKSLASH, C_STRING_FIRST_LINE,
 C_STRING_NEXT_LINES, C_BRACKET) = range(5)

if 0:   # for throwaway debugging output
    def dump(*stuff):
        sys.__stdout__.write(" ".join(map(str, stuff)) + "\n")

# Find what looks like the start of a popular stmt.

# Match blank line or non-indenting comment line.

_junkre = re.compile(r"""
    [ \t]*
    (?: \# \S .* )?
    \n
""", re.VERBOSE).match

# Match any flavor of string; the terminating quote is optional
# so that we're robust in the face of incomplete program text.

_match_stringre = re.compile(r"""
    \""" [^"\\]* (?:
                     (?: \\. | "(?!"") )
                     [^"\\]*
                 )*
    (?: \""" )?

|   " [^"\\\n]* (?: \\. [^"\\\n]* )* "?

|   ''' [^'\\]* (?:
                   (?: \\. | '(?!'') )
                   [^'\\]*
                )*
    (?: ''' )?

|   ' [^'\\\n]* (?: \\. [^'\\\n]* )* '?
""", re.VERBOSE | re.DOTALL).match

# Match a line that starts with something interesting;
# used to find the first item of a bracket structure.

_itemre = re.compile(r"""
    [ \t]*
    [^\s#\\]    # if we match, m.end()-1 is the interesting char
""", re.VERBOSE).match

# Match start of stmts that should be followed by a dedent.

_closere = re.compile(r"""
    \s*
    (?: return
    |   break
    |   continue
    |   raise
    |   pass
    )
    \b
""", re.VERBOSE).match

# Chew up non-special chars as quickly as possible.  If match is
# successful, m.end() less 1 is the index of the last boring char
# matched.  If match is unsuccessful, the string starts with an
# interesting char.

_chew_ordinaryre = re.compile(r"""
    [^[\](){}#'"\\]+
""", re.VERBOSE).match

# Build translation table to map uninteresting chars to "x", open
# brackets to "(", and close brackets to ")".

_tran = ['x'] * 256
for ch in "({[":
    _tran[ord(ch)] = '('
for ch in ")}]":
    _tran[ord(ch)] = ')'
for ch in "\"'\\\n#":
    _tran[ord(ch)] = ch
_tran = ''.join(_tran)
del ch

try:
    UnicodeType = type(unicode(""))
except NameError:
    UnicodeType = None

class Parser:

def __init__(self, indentwidth, tabwidth):
        self.indentwidth = indentwidth
        self.tabwidth = tabwidth

def set_str(self, str):
        assert len(str) == 0 or str[-1] == '\n'
        if type(str) is UnicodeType:
            # The parse functions have no idea what to do with Unicode, so
            # replace all Unicode characters with "x".  This is "safe"
            # so long as the only characters germane to parsing the structure
            # of Python are 7-bit ASCII.  It's *necessary* because Unicode
            # strings don't have a .translate() method that supports
            # deletechars.
            uniphooey = str
            str = []
            push = str.append
            for raw in map(ord, uniphooey):
                push(raw < 127 and chr(raw) or "x")
            str = "".join(str)
        self.str = str
        self.study_level = 0

# Return index of a good place to begin parsing, as close to the
    # end of the string as possible.  This will be the start of some
    # popular stmt like "if" or "def".  Return None if none found:
    # the caller should pass more prior context then, if possible, or
    # if not (the entire program text up until the point of interest
    # has already been tried) pass 0 to set_lo.
    #
    # This will be reliable iff given a reliable is_char_in_string
    # function, meaning that when it says "no", it's absolutely
    # guaranteed that the char is not in a string.

def find_good_parse_start(self, is_char_in_string=None,
                              _synchre=_synchre):
        str, pos = self.str, None

if not is_char_in_string:
            # no clue -- make the caller pass everything
            return None

# Peek back from the end for a good place to start,
        # but don't try too often; pos will be left None, or
        # bumped to a legitimate synch point.
        limit = len(str)
        for tries in range(5):
            i = str.rfind(":\n", 0, limit)
            if i < 0:
                break
            i = str.rfind('\n', 0, i) + 1  # start of colon line
            m = _synchre(str, i, limit)
            if m and not is_char_in_string(m.start()):
                pos = m.start()
                break
            limit = i
        if pos is None:
            # Nothing looks like a block-opener, or stuff does
            # but is_char_in_string keeps returning true; most likely
            # we're in or near a giant string, the colorizer hasn't
            # caught up enough to be helpful, or there simply *aren't*
            # any interesting stmts.  In any of these cases we're
            # going to have to parse the whole thing to be sure, so
            # give it one last try from the start, but stop wasting
            # time here regardless of the outcome.
            m = _synchre(str)
            if m and not is_char_in_string(m.start()):
                pos = m.start()
            return pos

# Peeking back worked; look forward until _synchre no longer
        # matches.
        i = pos + 1
        while 1:
            m = _synchre(str, i)
            if m:
                s, i = m.span()
                if not is_char_in_string(s):
                    pos = s
            else:
                break
        return pos

# Throw away the start of the string.  Intended to be called with
    # find_good_parse_start's result.

def set_lo(self, lo):
        assert lo == 0 or self.str[lo-1] == '\n'
        if lo > 0:
            self.str = self.str[lo:]

# As quickly as humanly possible <wink>, find the line numbers (0-
    # based) of the non-continuation lines.
    # Creates self.{goodlines, continuation}.

def _study1(self):
        if self.study_level >= 1:
            return
        self.study_level = 1

# Map all uninteresting characters to "x", all open brackets
        # to "(", all close brackets to ")", then collapse runs of
        # uninteresting characters.  This can cut the number of chars
        # by a factor of 10-40, and so greatly speed the following loop.
        str = self.str
        str = str.translate(_tran)
        str = str.replace('xxxxxxxx', 'x')
        str = str.replace('xxxx', 'x')
        str = str.replace('xx', 'x')
        str = str.replace('xx', 'x')
        str = str.replace('\nx', '\n')
        # note that replacing x\n with \n would be incorrect, because
        # x may be preceded by a backslash

# March over the squashed version of the program, accumulating
        # the line numbers of non-continued stmts, and determining
        # whether & why the last stmt is a continuation.
        continuation = C_NONE
        level = lno = 0     # level is nesting level; lno is line number
        self.goodlines = goodlines = [0]
        push_good = goodlines.append
        i, n = 0, len(str)
        while i < n:
            ch = str[i]
            i = i+1

# cases are checked in decreasing order of frequency
            if ch == 'x':
                continue

if ch == '\n':
                lno = lno + 1
                if level == 0:
                    push_good(lno)
                    # else we're in an unclosed bracket structure
                continue

if ch == '(':
                level = level + 1
                continue

if ch == ')':
                if level:
                    level = level - 1
                    # else the program is invalid, but we can't complain
                continue

if ch == '"' or ch == "'":
                # consume the string
                quote = ch
                if str[i-1:i+2] == quote * 3:
                    quote = quote * 3
                firstlno = lno
                w = len(quote) - 1
                i = i+w
                while i < n:
                    ch = str[i]
                    i = i+1

if ch == 'x':
                        continue

if str[i-1:i+w] == quote:
                        i = i+w
                        break

if ch == '\n':
                        lno = lno + 1
                        if w == 0:
                            # unterminated single-quoted string
                            if level == 0:
                                push_good(lno)
                            break
                        continue

if ch == '\\':
                        assert i < n
                        if str[i] == '\n':
                            lno = lno + 1
                        i = i+1
                        continue

# else comment char or paren inside string

else:
                    # didn't break out of the loop, so we're still
                    # inside a string
                    if (lno - 1) == firstlno:
                        # before the previous \n in str, we were in the first
                        # line of the string
                        continuation = C_STRING_FIRST_LINE
                    else:
                        continuation = C_STRING_NEXT_LINES
                continue    # with outer loop

if ch == '#':
                # consume the comment
                i = str.find('\n', i)
                assert i >= 0
                continue

assert ch == '\\'
            assert i < n
            if str[i] == '\n':
                lno = lno + 1
                if i+1 == n:
                    continuation = C_BACKSLASH
            i = i+1

# The last stmt may be continued for all 3 reasons.
        # String continuation takes precedence over bracket
        # continuation, which beats backslash continuation.
        if (continuation != C_STRING_FIRST_LINE
            and continuation != C_STRING_NEXT_LINES and level > 0):
            continuation = C_BRACKET
        self.continuation = continuation

# Push the final line number as a sentinel value, regardless of
        # whether it's continued.
        assert (continuation == C_NONE) == (goodlines[-1] == lno)
        if goodlines[-1] != lno:
            push_good(lno)

def get_continuation_type(self):
        self._study1()
        return self.continuation

# study1 was sufficient to determine the continuation status,
    # but doing more requires looking at every character.  study2
    # does this for the last interesting statement in the block.
    # Creates:
    #     self.stmt_start, stmt_end
    #         slice indices of last interesting stmt
    #     self.stmt_bracketing
    #         the bracketing structure of the last interesting stmt;
    #         for example, for the statement "say(boo) or die", stmt_bracketing
    #         will be [(0, 0), (3, 1), (8, 0)]. Strings and comments are
    #         treated as brackets, for the matter.
    #     self.lastch
    #         last non-whitespace character before optional trailing
    #         comment
    #     self.lastopenbracketpos
    #         if continuation is C_BRACKET, index of last open bracket

def _study2(self):
        if self.study_level >= 2:
            return
        self._study1()
        self.study_level = 2

# Set p and q to slice indices of last interesting stmt.
        str, goodlines = self.str, self.goodlines
        i = len(goodlines) - 1
        p = len(str)    # index of newest line
        while i:
            assert p
            # p is the index of the stmt at line number goodlines[i].
            # Move p back to the stmt at line number goodlines[i-1].
            q = p
            for nothing in range(goodlines[i-1], goodlines[i]):
                # tricky: sets p to 0 if no preceding newline
                p = str.rfind('\n', 0, p-1) + 1
            # The stmt str[p:q] isn't a continuation, but may be blank
            # or a non-indenting comment line.
            if  _junkre(str, p):
                i = i-1
            else:
                break
        if i == 0:
            # nothing but junk!
            assert p == 0
            q = p
        self.stmt_start, self.stmt_end = p, q

# Analyze this stmt, to find the last open bracket (if any)
        # and last interesting character (if any).
        lastch = ""
        stack = []  # stack of open bracket indices
        push_stack = stack.append
        bracketing = [(p, 0)]
        while p < q:
            # suck up all except ()[]{}'"#\\
            m = _chew_ordinaryre(str, p, q)
            if m:
                # we skipped at least one boring char
                newp = m.end()
                # back up over totally boring whitespace
                i = newp - 1    # index of last boring char
                while i >= p and str[i] in " \t\n":
                    i = i-1
                if i >= p:
                    lastch = str[i]
                p = newp
                if p >= q:
                    break

ch = str[p]

if ch in "([{":
                push_stack(p)
                bracketing.append((p, len(stack)))
                lastch = ch
                p = p+1
                continue

if ch in ")]}":
                if stack:
                    del stack[-1]
                lastch = ch
                p = p+1
                bracketing.append((p, len(stack)))
                continue

if ch == '"' or ch == "'":
                # consume string
                # Note that study1 did this with a Python loop, but
                # we use a regexp here; the reason is speed in both
                # cases; the string may be huge, but study1 pre-squashed
                # strings to a couple of characters per line.  study1
                # also needed to keep track of newlines, and we don't
                # have to.
                bracketing.append((p, len(stack)+1))
                lastch = ch
                p = _match_stringre(str, p, q).end()
                bracketing.append((p, len(stack)))
                continue

if ch == '#':
                # consume comment and trailing newline
                bracketing.append((p, len(stack)+1))
                p = str.find('\n', p, q) + 1
                assert p > 0
                bracketing.append((p, len(stack)))
                continue

assert ch == '\\'
            p = p+1     # beyond backslash
            assert p < q
            if str[p] != '\n':
                # the program is invalid, but can't complain
                lastch = ch + str[p]
            p = p+1     # beyond escaped char

# end while p < q:

self.lastch = lastch
        if stack:
            self.lastopenbracketpos = stack[-1]
        self.stmt_bracketing = tuple(bracketing)

# Assuming continuation is C_BRACKET, return the number
    # of spaces the next line should be indented.

def compute_bracket_indent(self):
        self._study2()
        assert self.continuation == C_BRACKET
        j = self.lastopenbracketpos
        str = self.str
        n = len(str)
        origi = i = str.rfind('\n', 0, j) + 1
        j = j+1     # one beyond open bracket
        # find first list item; set i to start of its line
        while j < n:
            m = _itemre(str, j)
            if m:
                j = m.end() - 1     # index of first interesting char
                extra = 0
                break
            else:
                # this line is junk; advance to next line
                i = j = str.find('\n', j) + 1
        else:
            # nothing interesting follows the bracket;
            # reproduce the bracket line's indentation + a level
            j = i = origi
            while str[j] in " \t":
                j = j+1
            extra = self.indentwidth
        return len(str[i:j].expandtabs(self.tabwidth)) + extra

# Return number of physical lines in last stmt (whether or not
    # it's an interesting stmt!  this is intended to be called when
    # continuation is C_BACKSLASH).

def get_num_lines_in_stmt(self):
        self._study1()
        goodlines = self.goodlines
        return goodlines[-1] - goodlines[-2]

# Assuming continuation is C_BACKSLASH, return the number of spaces
    # the next line should be indented.  Also assuming the new line is
    # the first one following the initial line of the stmt.

def compute_backslash_indent(self):
        self._study2()
        assert self.continuation == C_BACKSLASH
        str = self.str
        i = self.stmt_start
        while str[i] in " \t":
            i = i+1
        startpos = i

# See whether the initial line starts an assignment stmt; i.e.,
        # look for an = operator
        endpos = str.find('\n', startpos) + 1
        found = level = 0
        while i < endpos:
            ch = str[i]
            if ch in "([{":
                level = level + 1
                i = i+1
            elif ch in ")]}":
                if level:
                    level = level - 1
                i = i+1
            elif ch == '"' or ch == "'":
                i = _match_stringre(str, i, endpos).end()
            elif ch == '#':
                break
            elif level == 0 and ch == '=' and \
                   (i == 0 or str[i-1] not in "=<>!") and \
                   str[i+1] != '=':
                found = 1
                break
            else:
                i = i+1

if found:
            # found a legit =, but it may be the last interesting
            # thing on the line
            i = i+1     # move beyond the =
            found = re.match(r"\s*\\", str[i:endpos]) is None

if not found:
            # oh well ... settle for moving beyond the first chunk
            # of non-whitespace chars
            i = startpos
            while str[i] not in " \t\n":
                i = i+1

return len(str[self.stmt_start:i].expandtabs(\
                                     self.tabwidth)) + 1

# Return the leading whitespace on the initial line of the last
    # interesting stmt.

def get_base_indent_string(self):
        self._study2()
        i, n = self.stmt_start, self.stmt_end
        j = i
        str = self.str
        while j < n and str[j] in " \t":
            j = j + 1
        return str[i:j]

# Did the last interesting stmt open a block?

def is_block_opener(self):
        self._study2()
        return self.lastch == ':'

# Did the last interesting stmt close a block?

def is_block_closer(self):
        self._study2()
        return _closere(self.str, self.stmt_start) is not None

# index of last open bracket ({[, or None if none
    lastopenbracketpos = None

def get_last_open_bracket_pos(self):
        self._study2()
        return self.lastopenbracketpos

# the structure of the bracketing of the last interesting statement,
    # in the format defined in _study2, or None if the text didn't contain
    # anything
    stmt_bracketing = None

def get_last_stmt_bracketing(self):
        self._study2()
        return self.stmt_bracketing

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