diff options
Diffstat (limited to 'pyparsing/util.py')
| -rw-r--r-- | pyparsing/util.py | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/pyparsing/util.py b/pyparsing/util.py index 875799d..cad3e09 100644 --- a/pyparsing/util.py +++ b/pyparsing/util.py @@ -38,16 +38,17 @@ class __config_flags: @lru_cache(maxsize=128) def col(loc, strg): - """Returns current column within a string, counting newlines as line separators. - The first column is number 1. - - Note: the default parsing behavior is to expand tabs in the input string - before starting the parsing process. See - :class:`ParserElement.parseString` for more - information on parsing strings containing ``<TAB>`` s, and suggested - methods to maintain a consistent view of the parsed string, the parse - location, and line and column positions within the parsed string. - """ + """ + Returns current column within a string, counting newlines as line separators. + The first column is number 1. + + Note: the default parsing behavior is to expand tabs in the input string + before starting the parsing process. See + :class:`ParserElement.parseString` for more + information on parsing strings containing ``<TAB>`` s, and suggested + methods to maintain a consistent view of the parsed string, the parse + location, and line and column positions within the parsed string. + """ s = strg return 1 if 0 < loc < len(s) and s[loc - 1] == "\n" else loc - s.rfind("\n", 0, loc) @@ -68,8 +69,9 @@ def lineno(loc, strg): @lru_cache(maxsize=128) def line(loc, strg): - """Returns the line of text containing loc within a string, counting newlines as line separators. - """ + """ + Returns the line of text containing loc within a string, counting newlines as line separators. + """ lastCR = strg.rfind("\n", 0, loc) nextCR = strg.find("\n", loc) return strg[lastCR + 1 : nextCR] if nextCR >= 0 else strg[lastCR + 1 :] @@ -126,6 +128,7 @@ class LRUMemo: The memo tracks retained items by their access order; once `capacity` items are retained, the least recently used item is discarded. """ + def __init__(self, capacity): self._capacity = capacity self._active = {} @@ -161,6 +164,7 @@ class UnboundedMemo(dict): """ A memoizing mapping that retains all deleted items """ + def __delitem__(self, key): pass |