Examples of com.intellij.psi.PsiElement.processDeclarations()

com.intellij.psi.PsiElement.processDeclarations()
Passes the declarations contained in this PSI element and its children for processing to the specified scope processor. @param processor the processor receiving the declarations. @param substitutor the class providing the mapping between type parameters and their values. @param lastParent the child of this element which was processed during the previousstep of the tree up walk (declarations under this element do not need to be processed again) @param place the original element from which the tree up walk was initiated. @return true if the declaration processing should continue or false if it should be stopped.


  public static boolean treeWalkUp(PsiElement place, PsiScopeProcessor processor) {
    PsiElement lastParent = null;
    PsiElement run = place;
    while (run != null) {
      if (!run.processDeclarations(processor, ResolveState.initial(), lastParent, place)) return false;
      lastParent = run;
      run = run.getContext(); //same as getParent
    }


    return true;

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  public static boolean processChildren(PsiElement element, PsiScopeProcessor processor,
                                        ResolveState substitutor, PsiElement lastParent, 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))
        return false;
      run = run.getPrevSibling();
    }


    return true;

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