skip spaces and leafs

Author: ignatov

src/com/goide/psi/impl/ResolveUtil.java

@@ -16,10 +16,9 @@
 
 package com.goide.psi.impl;
 
+import com.goide.psi.GoCompositeElement;
 import com.intellij.psi.PsiElement;
-import com.intellij.psi.PsiWhiteSpace;
 import com.intellij.psi.ResolveState;
-import com.intellij.psi.impl.source.tree.LeafPsiElement;
 import com.intellij.psi.scope.PsiScopeProcessor;
 import com.intellij.psi.util.PsiTreeUtil;
 import org.jetbrains.annotations.NotNull;
@@ -44,7 +43,8 @@ public static boolean processChildren(@NotNull PsiElement element,
                                         @NotNull PsiElement place) {
     PsiElement run = lastParent == null ? element.getLastChild() : lastParent.getPrevSibling();
     while (run != null) {
-      if (PsiTreeUtil.findCommonParent(place, run) != run && !run.processDeclarations(processor, substitutor, null, place)) {
+      if (run instanceof GoCompositeElement && PsiTreeUtil.findCommonParent(place, run) != run && 
+          !run.processDeclarations(processor, substitutor, null, place)) {
         return false;
       }
       run = run.getPrevSibling();
@@ -59,7 +59,7 @@ public static boolean processChildrenFromTop(@NotNull PsiElement element,
                                                @NotNull PsiElement place) {
     PsiElement run = element.getFirstChild();
     while (run != null) {
-      if (!(run instanceof LeafPsiElement || run instanceof PsiWhiteSpace)) {
+      if (run instanceof GoCompositeElement) {
         if (run.isEquivalentTo(lastParent)) return true;
         if (PsiTreeUtil.findCommonParent(place, run) != run && !run.processDeclarations(processor, substitutor, null, place)) {
           return false;