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Code Cleanup

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- Eliminated obsolete Lisp code.
This commit is contained in:
Paul Beckingham 2011-04-10 20:41:38 -04:00
parent f1525df48a
commit 4245d83812
5 changed files with 8 additions and 253 deletions
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14
src/CMakeLists.txt
View file

@ -5,13 +5,13 @@ set (task_SRCS API.cpp API.h Att.cpp Att.h Cmd.cpp Cmd.h Color.cpp Color.h
Config.cpp Config.h Context.cpp Context.h Date.cpp Date.h
Directory.cpp Directory.h Duration.cpp Duration.h File.cpp
File.h Filter.cpp Filter.h feedback.cpp Grid.cpp Grid.h Hooks.cpp
Hooks.h JSON.cpp JSON.h Keymap.cpp Keymap.h Lisp.cpp Lisp.h
Location.cpp Location.h Nibbler.cpp Nibbler.h Path.cpp Path.h
Permission.cpp Permission.h Record.cpp Record.h Rectangle.cpp
Rectangle.h Sequence.cpp Sequence.h Subst.cpp Subst.h TDB.cpp
TDB.h Table.cpp Table.h Task.cpp Task.h Taskmod.cpp Taskmod.h
Thread.cpp Thread.h Timer.cpp Timer.h Transport.cpp Transport.h
TransportSSH.cpp TransportSSH.h TransportRSYNC.cpp TransportRSYNC.h
Hooks.h JSON.cpp JSON.h Keymap.cpp Keymap.h Location.cpp
Location.h Nibbler.cpp Nibbler.h Path.cpp Path.h Permission.cpp
Permission.h Record.cpp Record.h Rectangle.cpp Rectangle.h
Sequence.cpp Sequence.h Subst.cpp Subst.h TDB.cpp TDB.h Table.cpp
Table.h Task.cpp Task.h Taskmod.cpp Taskmod.h Thread.cpp Thread.h
Timer.cpp Timer.h Transport.cpp Transport.h TransportSSH.cpp
TransportSSH.h TransportRSYNC.cpp TransportRSYNC.h
TransportCurl.cpp TransportCurl.h Tree.cpp Tree.h burndown.cpp
command.cpp custom.cpp dependency.cpp diag.cpp edit.cpp
export.cpp history.cpp i18n.h import.cpp interactive.cpp

125
src/Lisp.cpp
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@ -1,125 +0,0 @@
////////////////////////////////////////////////////////////////////////////////
// taskwarrior - a command line task list manager.
//
// Copyright 2006 - 2011, Paul Beckingham, Federico Hernandez.
// All rights reserved.
//
// This program is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free Software
// Foundation; either version 2 of the License, or (at your option) any later
// version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
// details.
//
// You should have received a copy of the GNU General Public License along with
// this program; if not, write to the
//
// Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor,
// Boston, MA
// 02110-1301
// USA
//
////////////////////////////////////////////////////////////////////////////////
#include "Lisp.h"
////////////////////////////////////////////////////////////////////////////////
Lisp::Lisp ()
{
}
////////////////////////////////////////////////////////////////////////////////
Lisp::~Lisp ()
{
}
////////////////////////////////////////////////////////////////////////////////
Tree* Lisp::parse (const std::string& input)
{
Tree* root = new Tree ("root");
if (root)
{
Nibbler n (input);
parseNode (root, n);
}
return root;
}
////////////////////////////////////////////////////////////////////////////////
// Grammar
// node ::= '(' list ')'
// list ::= item [[space item] ...]
// item ::= word | node
void Lisp::parseNode (Tree* parent, Nibbler& n)
{
// Work on a stack-based copy, to allow backtracking.
Nibbler attempt (n);
if (attempt.skip ('('))
{
Tree* b = new Tree ("");
parent->addBranch (b);
parseList (b, attempt);
if (attempt.skip (')'))
{
n = attempt;
return;
}
}
throw std::string ("Error: malformed node");
}
////////////////////////////////////////////////////////////////////////////////
void Lisp::parseList (Tree* parent, Nibbler& n)
{
// Work on a stack-based copy, to allow backtracking.
Nibbler attempt (n);
parseItem (parent, attempt);
while (attempt.skip (' '))
parseItem (parent, attempt);
n = attempt;
}
////////////////////////////////////////////////////////////////////////////////
void Lisp::parseItem (Tree* parent, Nibbler& n)
{
// Work on a stack-based copy, to allow backtracking.
Nibbler attempt (n);
if (attempt.next () == '(')
parseNode (parent, attempt);
else
parseWord (parent, attempt);
n = attempt;
return;
}
////////////////////////////////////////////////////////////////////////////////
// A word is any group of non-whitespace followed by a space or ')'.
void Lisp::parseWord (Tree* parent, Nibbler& n)
{
// Work on a stack-based copy, to allow backtracking.
Nibbler attempt (n);
std::string word;
if (attempt.getUntilOneOf (" )", word))
{
parent->tag (word);
n = attempt;
return;
}
throw std::string ("Error: failed to parse word");
}
////////////////////////////////////////////////////////////////////////////////

54
src/Lisp.h
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@ -1,54 +0,0 @@
////////////////////////////////////////////////////////////////////////////////
// taskwarrior - a command line task list manager.
//
// Copyright 2006 - 2011, Paul Beckingham, Federico Hernandez.
// All rights reserved.
//
// This program is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free Software
// Foundation; either version 2 of the License, or (at your option) any later
// version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
// details.
//
// You should have received a copy of the GNU General Public License along with
// this program; if not, write to the
//
// Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor,
// Boston, MA
// 02110-1301
// USA
//
////////////////////////////////////////////////////////////////////////////////
#ifndef INCLUDED_LISP
#define INCLUDED_LISP
#include <string>
#include "Tree.h"
#include "Nibbler.h"
class Lisp
{
public:
Lisp ();
Lisp (const Lisp&);
Lisp& operator= (const Lisp&);
~Lisp ();
Tree* parse (const std::string&);
private:
void parseNode (Tree*, Nibbler&);
void parseList (Tree*, Nibbler&);
void parseItem (Tree*, Nibbler&);
void parseWord (Tree*, Nibbler&);
};
#endif
////////////////////////////////////////////////////////////////////////////////