adding missing dots to some exception messages

lib/Twig/Compiler.php

@@ -270,7 +270,7 @@ class Twig_Compiler implements Twig_CompilerInterface
     {
         // can't outdent by more steps than the current indentation level
         if ($this->indentation < $step) {
-            throw new LogicException('Unable to call outdent() as the indentation would become negative');
+            throw new LogicException('Unable to call outdent() as the indentation would become negative.');
         }
 
         $this->indentation -= $step;

lib/Twig/Environment.php

@@ -1045,7 +1045,7 @@ class Twig_Environment
     public function addTest($name, $test = null)
     {
         if (!$name instanceof Twig_SimpleTest && !($test instanceof Twig_SimpleTest || $test instanceof Twig_TestInterface)) {
-            throw new LogicException('A test must be an instance of Twig_TestInterface or Twig_SimpleTest');
+            throw new LogicException('A test must be an instance of Twig_TestInterface or Twig_SimpleTest.');
         }
 
         if ($name instanceof Twig_SimpleTest) {
@@ -1109,7 +1109,7 @@ class Twig_Environment
     public function addFunction($name, $function = null)
     {
         if (!$name instanceof Twig_SimpleFunction && !($function instanceof Twig_SimpleFunction || $function instanceof Twig_FunctionInterface)) {
-            throw new LogicException('A function must be an instance of Twig_FunctionInterface or Twig_SimpleFunction');
+            throw new LogicException('A function must be an instance of Twig_FunctionInterface or Twig_SimpleFunction.');
         }
 
         if ($name instanceof Twig_SimpleFunction) {
@@ -1407,7 +1407,7 @@ class Twig_Environment
 
                 $this->parsers->addTokenParserBroker($parser);
             } else {
-                throw new LogicException('getTokenParsers() must return an array of Twig_TokenParserInterface or Twig_TokenParserBrokerInterface instances');
+                throw new LogicException('getTokenParsers() must return an array of Twig_TokenParserInterface or Twig_TokenParserBrokerInterface instances.');
             }
         }
 

lib/Twig/ExpressionParser.php

@@ -379,7 +379,7 @@ class Twig_ExpressionParser
                     }
                 }
             } else {
-                throw new Twig_Error_Syntax('Expected name or number', $lineno, $this->parser->getFilename());
+                throw new Twig_Error_Syntax('Expected name or number.', $lineno, $this->parser->getFilename());
             }
 
             if ($node instanceof Twig_Node_Expression_Name && null !== $this->parser->getImportedSymbol('template', $node->getAttribute('name'))) {
@@ -541,7 +541,7 @@ class Twig_ExpressionParser
             $token = $this->parser->getStream()->expect(Twig_Token::NAME_TYPE, null, 'Only variables can be assigned to');
             $value = $token->getValue();
             if (in_array(strtolower($value), array('true', 'false', 'none', 'null'))) {
-                throw new Twig_Error_Syntax(sprintf('You cannot assign a value to "%s"', $value), $token->getLine(), $this->parser->getFilename());
+                throw new Twig_Error_Syntax(sprintf('You cannot assign a value to "%s".', $value), $token->getLine(), $this->parser->getFilename());
             }
             $targets[] = new Twig_Node_Expression_AssignName($value, $token->getLine());
 

lib/Twig/Lexer.php

@@ -403,7 +403,7 @@ class Twig_Lexer implements Twig_LexerInterface
     protected function popState()
     {
         if (0 === count($this->states)) {
-            throw new Exception('Cannot pop state without a previous state');
+            throw new Exception('Cannot pop state without a previous state.');
         }
 
         $this->state = array_pop($this->states);

lib/Twig/Node/Module.php

@@ -419,7 +419,7 @@ class Twig_Node_Module extends Twig_Node
                 ->raw(");\n")
             ;
         } else {
-            throw new LogicException('Trait templates can only be constant nodes');
+            throw new LogicException('Trait templates can only be constant nodes.');
         }
     }
 }

lib/Twig/Template.php

@@ -144,7 +144,7 @@ abstract class Twig_Template implements Twig_TemplateInterface
         } elseif (false !== $parent = $this->getParent($context)) {
             $parent->displayBlock($name, $context, $blocks, false);
         } else {
-            throw new Twig_Error_Runtime(sprintf('The template has no parent and no traits defining the "%s" block', $name), -1, $this->getTemplateName());
+            throw new Twig_Error_Runtime(sprintf('The template has no parent and no traits defining the "%s" block.', $name), -1, $this->getTemplateName());
         }
     }
 

test/Twig/Tests/escapingTest.php

@@ -250,7 +250,7 @@ class Twig_Test_EscapingTest extends PHPUnit_Framework_TestCase
                 .chr($codepoint >> 6 & 0x3f | 0x80)
                 .chr($codepoint & 0x3f | 0x80);
         }
-        throw new Exception('Codepoint requested outside of Unicode range');
+        throw new Exception('Codepoint requested outside of Unicode range.');
     }
 
     public function testJavascriptEscapingEscapesOwaspRecommendedRanges()