remove dead code/class

src/Composer/DependencyResolver/DebugSolver.php

@@ -1,83 +0,0 @@
-<?php
-
-/*
- * This file is part of Composer.
- *
- * (c) Nils Adermann <naderman@naderman.de>
- *     Jordi Boggiano <j.boggiano@seld.be>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace Composer\DependencyResolver;
-
-/**
- * @author Nils Adermann <naderman@naderman.de>
- */
-class DebugSolver extends Solver
-{
-    protected function printDecisionMap()
-    {
-        echo "\nDecisionMap: \n";
-        foreach ($this->decisionMap as $packageId => $level) {
-            if ($packageId === 0) {
-                continue;
-            }
-            if ($level > 0) {
-                echo '    +' . $this->pool->packageById($packageId)."\n";
-            } elseif ($level < 0) {
-                echo '    -' . $this->pool->packageById($packageId)."\n";
-            } else {
-                echo '    ?' . $this->pool->packageById($packageId)."\n";
-            }
-        }
-        echo "\n";
-    }
-
-    protected function printDecisionQueue()
-    {
-        echo "DecisionQueue: \n";
-        foreach ($this->decisionQueue as $i => $literal) {
-            echo '    ' . $this->pool->literalToString($literal) . ' ' . $this->decisionQueueWhy[$i]." level ".$this->decisionMap[abs($literal)]."\n";
-        }
-        echo "\n";
-    }
-
-    protected function printWatches()
-    {
-        echo "\nWatches:\n";
-        foreach ($this->watches as $literalId => $watch) {
-            echo '  '.$this->literalFromId($literalId)."\n";
-            $queue = array(array('    ', $watch));
-
-            while (!empty($queue)) {
-                list($indent, $watch) = array_pop($queue);
-
-                echo $indent.$watch;
-
-                if ($watch) {
-                    echo ' [id='.$watch->getId().',watch1='.$this->literalFromId($watch->watch1).',watch2='.$this->literalFromId($watch->watch2)."]";
-                }
-
-                echo "\n";
-
-                if ($watch && ($watch->next1 == $watch || $watch->next2 == $watch)) {
-                    if ($watch->next1 == $watch) {
-                        echo $indent."    1 *RECURSION*";
-                    }
-                    if ($watch->next2 == $watch) {
-                        echo $indent."    2 *RECURSION*";
-                    }
-                } elseif ($watch && ($watch->next1 || $watch->next2)) {
-                    $indent = str_replace(array('1', '2'), ' ', $indent);
-
-                    array_push($queue, array($indent.'    2 ', $watch->next2));
-                    array_push($queue, array($indent.'    1 ', $watch->next1));
-                }
-            }
-
-            echo "\n";
-        }
-    }
-}

src/Composer/DependencyResolver/Pool.php

@@ -278,11 +278,6 @@ class Pool implements \Countable
         return $this->packageById($packageId);
     }
 
-    public function literalToString($literal)
-    {
-        return ($literal > 0 ? '+' : '-') . $this->literalToPackage($literal);
-    }
-
     public function literalToPrettyString($literal, $installedMap)
     {
         $package = $this->literalToPackage($literal);

src/Composer/DependencyResolver/Solver.php

@@ -235,13 +235,6 @@ class Solver
         return $transaction->getOperations();
     }
 
-    protected function literalFromId($id)
-    {
-        $package = $this->pool->packageById(abs($id));
-
-        return new Literal($package, $id > 0);
-    }
-
     /**
      * Makes a decision and propagates it to all rules.
      *