Package org.intellij.erlang.psi.impl

Examples of org.intellij.erlang.psi.impl.ErlangFunctionReferenceImpl


      @Override
      public void visitFunctionCallExpression(@NotNull ErlangFunctionCallExpression o) {
        PsiReference reference = o.getReference();
        if (reference instanceof ErlangFunctionReferenceImpl && reference.resolve() == null) {
          if (o.getQAtom().getMacros() != null) return;
          ErlangFunctionReferenceImpl r = (ErlangFunctionReferenceImpl) reference;

          String name = r.getName();
          int arity = r.getArity();

          if (arity < 0) return;
          if (ErlangBifTable.isBif("erlang", name, arity)) return;

          String signature = r.getSignature();

          PsiElement parent = o.getParent();
          if (parent instanceof ErlangGlobalFunctionCallExpression) {
            ErlangModuleRef moduleRef = ((ErlangGlobalFunctionCallExpression) parent).getModuleRef();
            if (moduleRef.getQAtom().getMacros() != null) return;
            String moduleName = moduleRef.getText();
            if (ErlangBifTable.isBif(moduleName, name, arity)) return;
            signature = moduleName + ":" + signature;
          }

          LocalQuickFix[] qfs = parent instanceof ErlangGenericFunctionCallExpression || parent instanceof ErlangGlobalFunctionCallExpression ?
            new LocalQuickFix[]{} :
            new LocalQuickFix[]{new ErlangCreateFunctionQuickFix(name, arity)};

          holder.registerProblem(o.getNameIdentifier(), "Unresolved function " + "'" + signature + "'", qfs);
        }
      }

      @Override
      public void visitSpecFun(@NotNull ErlangSpecFun o) {
        inspect(o, o.getQAtom(), o.getReference());
      }

      @Override
      public void visitFunctionWithArity(@NotNull ErlangFunctionWithArity o) {
        inspect(o, o.getQAtom(), o.getReference());
      }

      private void inspect(PsiElement what, ErlangQAtom target, @Nullable PsiReference reference) {
        if (PsiTreeUtil.getParentOfType(what, ErlangCallbackSpec.class) != null || target.getMacros() != null ||
          !(reference instanceof ErlangFunctionReferenceImpl) || reference.resolve() != null) {
          return;
        }

        ErlangFunctionReferenceImpl r = (ErlangFunctionReferenceImpl) reference;
        if (r.getArity() < 0) return; //there is no need to inspect incomplete/erroneous code
        LocalQuickFix[] qfs = PsiTreeUtil.getNextSiblingOfType(what, ErlangModuleRef.class) != null ?
          new LocalQuickFix[]{} : new LocalQuickFix[]{new ErlangCreateFunctionQuickFix(r.getName(), r.getArity())};
        holder.registerProblem(target, "Unresolved function " + "'" + r.getSignature() + "'", qfs);
      }
    };
  }
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