feat(ivy): support providers and viewProviders (#25803)

PR Close #25803

packages/core/src/render3/interfaces/node.ts

@@ -46,6 +46,18 @@ export const enum TNodeFlags {
   DirectiveStartingIndexShift = 16,
 }
 
+/**
+ * Corresponds to the TNode.providerIndexes property.
+ */
+export const enum TNodeProviderIndexes {
+  /** The index of the first provider on this node is encoded on the least significant bits */
+  ProvidersStartIndexMask = 0b00000000000000001111111111111111,
+
+  /** The count of view providers from the component on this node is encoded on the 16 most
+     significant bits */
+  CptViewProvidersCountShift = 16,
+  CptViewProvidersCountShifter = 0b00000000000000010000000000000000,
+}
 /**
  * A set of marker values to be used in the attributes arrays. Those markers indicate that some
  * items are not regular attributes and the processing should be adapted accordingly.
@@ -125,6 +137,14 @@ export interface TNode {
    */
   flags: TNodeFlags;
 
+  /**
+   * This number stores two values using its bits:
+   *
+   * - the index of the first provider on that node (first 16 bits)
+   * - the count of view providers from the component on this node (last 16 bits)
+   */
+  providerIndexes: TNodeProviderIndexes;
+
   /** The tag name associated with this node. */
   tagName: string|null;