Remove usages of dynamic_casts that are used inside assertions

Summary:
This diff is part of a bigger effort to remove the RTTI flags.
To do so we need to remove occurrences of `dynamic_cast` and other functions that rely on runtime
type informations.

Changelog:
[Internal][Changed] - Removed extra asserts relying on dynamic_cast

Reviewed By: JoshuaGross

Differential Revision: D30483554

fbshipit-source-id: 92b31281841a92c7b43e918938248431265dd654

Author: cortinico

Diff for: ReactCommon/react/renderer/components/text/RawTextShadowNode.h

@@ -39,9 +39,6 @@ inline RawTextShadowNode const &traitCast<RawTextShadowNode const &>(
     ShadowNode const &shadowNode) {
   bool castable =
       shadowNode.getTraits().check(ShadowNodeTraits::Trait::RawText);
-  react_native_assert(
-      castable ==
-      (dynamic_cast<RawTextShadowNode const *>(&shadowNode) != nullptr));
   react_native_assert(castable);
   (void)castable;
   return static_cast<RawTextShadowNode const &>(shadowNode);
@@ -55,9 +52,6 @@ inline RawTextShadowNode const *traitCast<RawTextShadowNode const *>(
   }
   bool castable =
       shadowNode->getTraits().check(ShadowNodeTraits::Trait::RawText);
-  react_native_assert(
-      castable ==
-      (dynamic_cast<RawTextShadowNode const *>(shadowNode) != nullptr));
   if (!castable) {
     return nullptr;
   }

Diff for: ReactCommon/react/renderer/components/text/TextShadowNode.h

@@ -62,9 +62,6 @@ template <>
 inline TextShadowNode const &traitCast<TextShadowNode const &>(
     ShadowNode const &shadowNode) {
   bool castable = shadowNode.getTraits().check(ShadowNodeTraits::Trait::Text);
-  react_native_assert(
-      castable ==
-      (dynamic_cast<TextShadowNode const *>(&shadowNode) != nullptr));
   react_native_assert(castable);
   (void)castable;
   return static_cast<TextShadowNode const &>(shadowNode);
@@ -77,9 +74,6 @@ inline TextShadowNode const *traitCast<TextShadowNode const *>(
     return nullptr;
   }
   bool castable = shadowNode->getTraits().check(ShadowNodeTraits::Trait::Text);
-  react_native_assert(
-      castable ==
-      (dynamic_cast<TextShadowNode const *>(shadowNode) != nullptr));
   if (!castable) {
     return nullptr;
   }

Diff for: ReactCommon/react/renderer/components/view/ViewPropsInterpolation.h

@@ -24,13 +24,6 @@ static inline void interpolateViewProps(
     const SharedProps &oldPropsShared,
     const SharedProps &newPropsShared,
     SharedProps &interpolatedPropsShared) {
-  // Verify the static_casts below are safe
-  react_native_assert(
-      dynamic_cast<ViewProps const *>(oldPropsShared.get()) != nullptr &&
-      dynamic_cast<ViewProps const *>(newPropsShared.get()) != nullptr &&
-      dynamic_cast<ViewProps const *>(interpolatedPropsShared.get()) !=
-          nullptr);
-
   ViewProps const *oldViewProps =
       static_cast<ViewProps const *>(oldPropsShared.get());
   ViewProps const *newViewProps =

Diff for: ReactCommon/react/renderer/components/view/YogaLayoutableShadowNode.h

@@ -186,9 +186,6 @@ inline YogaLayoutableShadowNode const &
 traitCast<YogaLayoutableShadowNode const &>(ShadowNode const &shadowNode) {
   bool castable =
       shadowNode.getTraits().check(ShadowNodeTraits::Trait::YogaLayoutableKind);
-  react_native_assert(
-      castable ==
-      (dynamic_cast<YogaLayoutableShadowNode const *>(&shadowNode) != nullptr));
   react_native_assert(castable);
   (void)castable;
   return static_cast<YogaLayoutableShadowNode const &>(shadowNode);
@@ -202,9 +199,6 @@ traitCast<YogaLayoutableShadowNode const *>(ShadowNode const *shadowNode) {
   }
   bool castable = shadowNode->getTraits().check(
       ShadowNodeTraits::Trait::YogaLayoutableKind);
-  react_native_assert(
-      castable ==
-      (dynamic_cast<YogaLayoutableShadowNode const *>(shadowNode) != nullptr));
   if (!castable) {
     return nullptr;
   }

Diff for: ReactCommon/react/renderer/core/ConcreteComponentDescriptor.h

@@ -79,10 +79,6 @@ class ConcreteComponentDescriptor : public ComponentDescriptor {
   ShadowNode::Unshared cloneShadowNode(
       const ShadowNode &sourceShadowNode,
       const ShadowNodeFragment &fragment) const override {
-    react_native_assert(
-        dynamic_cast<ConcreteShadowNode const *>(&sourceShadowNode) &&
-        "Provided `sourceShadowNode` has an incompatible type.");
-
     auto shadowNode = std::make_shared<ShadowNodeT>(sourceShadowNode, fragment);
 
     adopt(shadowNode);
@@ -92,10 +88,6 @@ class ConcreteComponentDescriptor : public ComponentDescriptor {
   void appendChild(
       const ShadowNode::Shared &parentShadowNode,
       const ShadowNode::Shared &childShadowNode) const override {
-    react_native_assert(
-        dynamic_cast<ConcreteShadowNode const *>(parentShadowNode.get()) &&
-        "Provided `parentShadowNode` has an incompatible type.");
-
     auto concreteParentShadowNode =
         std::static_pointer_cast<const ShadowNodeT>(parentShadowNode);
     auto concreteNonConstParentShadowNode =
@@ -107,11 +99,6 @@ class ConcreteComponentDescriptor : public ComponentDescriptor {
       const PropsParserContext &context,
       const SharedProps &props,
       const RawProps &rawProps) const override {
-    react_native_assert(
-        !props ||
-        dynamic_cast<ConcreteProps const *>(props.get()) &&
-            "Provided `props` has an incompatible type.");
-
     // Optimization:
     // Quite often nodes are constructed with default/empty props: the base
     // `props` object is `null` (there no base because it's not cloning) and the

Diff for: ReactCommon/react/renderer/core/LayoutableShadowNode.h

@@ -170,9 +170,6 @@ inline LayoutableShadowNode const &traitCast<LayoutableShadowNode const &>(
     ShadowNode const &shadowNode) {
   bool castable =
       shadowNode.getTraits().check(ShadowNodeTraits::Trait::LayoutableKind);
-  react_native_assert(
-      castable ==
-      (dynamic_cast<LayoutableShadowNode const *>(&shadowNode) != nullptr));
   react_native_assert(castable);
   (void)castable;
   return static_cast<LayoutableShadowNode const &>(shadowNode);
@@ -186,9 +183,6 @@ inline LayoutableShadowNode const *traitCast<LayoutableShadowNode const *>(
   }
   bool castable =
       shadowNode->getTraits().check(ShadowNodeTraits::Trait::LayoutableKind);
-  react_native_assert(
-      castable ==
-      (dynamic_cast<LayoutableShadowNode const *>(shadowNode) != nullptr));
   if (!castable) {
     return nullptr;
   }