fix some npe

Author: Haehnchen

src/fr/adrienbrault/idea/symfony2plugin/templating/util/TwigTypeResolveUtil.java

@@ -90,11 +90,14 @@ public boolean value(PsiElement psiElement) {
  }
  });
 
+ ArrayList<PhpNamedElement> arrayList = new ArrayList<PhpNamedElement>();
+ if(twigCompositeElement == null) {
+ return arrayList;
+ }
 
  Pattern pattern = Pattern.compile("\\{#[\\s]+" + Pattern.quote(variableName) + "[\\s]+([\\w\\\\\\[\\]]+)[\\s]+#}");
  Collection<PsiComment> psiComments = PsiTreeUtil.findChildrenOfType(twigCompositeElement, PsiComment.class);
 
- ArrayList<PhpNamedElement> arrayList = new ArrayList<PhpNamedElement>();
  for(PsiComment psiComment: psiComments) {
  Matcher matcher = pattern.matcher(psiComment.getText());
  if (matcher.find()) {
@@ -129,10 +132,13 @@ public boolean value(PsiElement psiElement) {
  }
  });
 
- Pattern pattern = Pattern.compile(DOC_PATTERN);
+ HashMap<String, String> variables = new HashMap<String, String>();
+ if(twigCompositeElement == null) {
+ return variables;
+ }
 
  // wtf in completion { | } root we have no comments in child context !?
- HashMap<String, String> variables = new HashMap<String, String>();
+ Pattern pattern = Pattern.compile(DOC_PATTERN);
  for(PsiElement psiComment: YamlHelper.getChildrenFix(twigCompositeElement)) {
  if(psiComment instanceof PsiComment) {
  Matcher matcher = pattern.matcher(psiComment.getText());