Remove {unser} and add tests

src/Fenom.php

@@ -17,7 +17,7 @@ use Fenom\Template;
  */
 class Fenom
 {
-    const VERSION = '1.3';
+    const VERSION = '1.4';
 
     /* Actions */
     const INLINE_COMPILER = 1;
@@ -246,10 +246,6 @@ class Fenom
             'type' => self::BLOCK_COMPILER,
             'open' => 'Fenom\Compiler::autoescapeOpen',
             'close' => 'Fenom\Compiler::autoescapeClose'
-        ),
-        'unset' => array(
-            'type' => self::INLINE_COMPILER,
-            'parser' => 'Fenom\Compiler::tagUnset'
         )
     );
 
@@ -540,17 +536,6 @@ class Fenom
         return false;
     }
 
-    /**
-     * @param string $function
-     * @param Fenom\Template $template
-     * @return bool|string
-     * @deprecated
-     */
-    public function getFunction($function, Template $template = null)
-    {
-        return $this->getTag($function, $template);
-    }
-
     /**
      * Returns tag info
      *

src/Fenom/Compiler.php

@@ -1028,23 +1028,4 @@ class Compiler
         $scope->tpl->escape = $scope["escape"];
     }
 
-    /**
-     * Unset present variables
-     *
-     * @param Tokenizer $tokens
-     * @param Template $tpl
-     * @return string
-     * @throws InvalidUsageException
-     */
-    public static function tagUnset(Tokenizer $tokens, Template $tpl)
-    {
-        $vars = array();
-        while ($tokens->valid()) {
-            $vars[] = $tpl->parseVariable($tokens);
-        }
-        if (!$vars) {
-            throw new InvalidUsageException("Unset must accept variable(s)");
-        }
-        return 'unset(' . implode(', ', $vars) . ')';
-    }
 }

src/Fenom/Error/UnexpectedTokenException.php

@@ -25,10 +25,6 @@ class UnexpectedTokenException extends \RuntimeException
         }
         if (!$tokens->curr) {
             $this->message = "Unexpected end of " . ($where ? : "expression") . "$expect";
-        } elseif ($tokens->curr[0] === T_WHITESPACE) {
-            $this->message = "Unexpected whitespace$expect";
-        } elseif ($tokens->curr[0] === T_BAD_CHARACTER) {
-            $this->message = "Unexpected bad characters (below ASCII 32 except \\t, \\n and \\r) in " . ($where ? : "expression") . "$expect";
         } else {
             $this->message = "Unexpected token '" . $tokens->current() . "' in " . ($where ? : "expression") . "$expect";
         }

src/Fenom/Tokenizer.php

@@ -304,26 +304,6 @@ class Tokenizer
         return $this->next ? $this->next[1] == $token : false;
     }
 
-    /**
-     * Return substring. This method doesn't move pointer.
-     * @param int $offset
-     * @param int $limit
-     * @return string
-     */
-    public function getSubstr($offset, $limit = 0)
-    {
-        $str = '';
-        if (!$limit) {
-            $limit = $this->_max;
-        } else {
-            $limit += $offset;
-        }
-        for ($i = $offset; $i <= $limit; $i++) {
-            $str .= $this->tokens[$i][1] . $this->tokens[$i][2];
-        }
-        return $str;
-    }
-
     /**
      * Return token and move pointer
      * @return mixed