Mercurial > python-cmd2
changeset 136:67558b85ab38
comments working?
author | catherine@dellzilla |
---|---|
date | Mon, 10 Nov 2008 16:42:11 -0500 |
parents | 7c0a89fccf2b |
children | 308e99cebbb8 |
files | cmd2.py |
diffstat | 1 files changed, 16 insertions(+), 6 deletions(-) [+] |
line wrap: on
line diff
--- a/cmd2.py Mon Nov 10 13:10:38 2008 -0500 +++ b/cmd2.py Mon Nov 10 16:42:11 2008 -0500 @@ -193,17 +193,27 @@ def __init__(self, *args, **kwargs): cmd.Cmd.__init__(self, *args, **kwargs) self.history = History() + for p in (self.terminatorPattern, self.pipePattern, self.redirectInPattern, self.redirectOutPattern, self.punctuationPattern): + p.ignore(pyparsing.sglQuotedString) + p.ignore(pyparsing.dblQuotedString) + p.ignore(self.comments) + p.ignore(self.commentInProgress) def do__comment(self, arg): pass def do__multiline_comment(self, arg): pass - + def do_shortcuts(self, args): """Lists single-key shortcuts available.""" result = "\n".join('%s: %s' % (sc[0], sc[1]) for sc in self.shortcuts.items()) self.stdout.write("Single-key shortcuts for other commands:\n%s\n" % (result)) + comments = pyparsing.Or([pyparsing.pythonStyleComment, pyparsing.cStyleComment]) + comments.ignore(pyparsing.sglQuotedString).ignore(pyparsing.dblQuotedString).setParseAction(lambda x: '') + commentInProgress = pyparsing.Literal('/*') + pyparsing.SkipTo(pyparsing.stringEnd) + commentInProgress.ignore(pyparsing.sglQuotedString).ignore(pyparsing.dblQuotedString).ignore(pyparsing.cStyleComment) + specialTerminators = {'/*': pyparsing.Literal('*/')('terminator') } terminatorPattern = ((pyparsing.Literal(';') ^ pyparsing.Literal('\n\n')) ^ (pyparsing.Literal('\nEOF') + pyparsing.lineEnd))('terminator') @@ -217,10 +227,6 @@ redirectInPattern = pyparsing.Literal('<')('input') \ + pyparsing.Optional(filenamePattern)('inputFrom') punctuationPattern = pipePattern ^ redirectInPattern ^ redirectOutPattern - for p in (terminatorPattern, pipePattern, redirectInPattern, redirectOutPattern, punctuationPattern): - p.ignore(pyparsing.sglQuotedString) - p.ignore(pyparsing.dblQuotedString) - p.ignore(pyparsing.Or(commentGrammars)) def parsed(self, s): ''' @@ -245,12 +251,13 @@ ''' if isinstance(s, pyparsing.ParseResults): return s + s = self.comments.transformString(s) result = (pyparsing.SkipTo(pyparsing.StringEnd()))("fullStatement").parseString(s) command = s.split()[0] if self.caseInsensitive: command = command.lower() + result['command'] = command if command in self.noSpecialParse: - result['command'] = command result['statement'] = result.fullStatement return result @@ -259,12 +266,15 @@ result['statement'] = s result['parseable'] = s # terminator = self.specialTerminators.get(command) or self.terminatorPattern + self.terminatorPattern.ignore(self.commentInProgress) result += parseSearchResults(self.terminatorPattern, s) if result.terminator: result['statement'] = result.upToIncluding result['unterminated'] = result.before result['parseable'] = result.after else: + if command in self.multilineCommands: + return result # don't bother with the rest, we're still collecting input result += parseSearchResults(self.punctuationPattern, s) result['statement'] = result['unterminated'] = result.before result += parseSearchResults(self.pipePattern, result.parseable)