refactor(ivy): treate LView as the primary global state (#27282)

- rename `LViewData` to `LView` (to be consistent with `TView`)
- Remove `getRenderer`, `getRendererFactory`, `getTview`, `getCurrentQueries`,

PR Close #27282

packages/core/src/render3/bindings.ts

@@ -0,0 +1,75 @@
+/**
+ * @license
+ * Copyright Google Inc. All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+
+import {devModeEqual} from '../change_detection/change_detection_util';
+
+import {assertDataInRange, assertLessThan, assertNotEqual} from './assert';
+import {throwErrorIfNoChangesMode} from './errors';
+import {BINDING_INDEX, LView} from './interfaces/view';
+import {getCheckNoChangesMode, getCreationMode} from './state';
+import {NO_CHANGE} from './tokens';
+import {isDifferent} from './util';
+
+
+
+// TODO(misko): consider inlining
+/** Updates binding and returns the value. */
+export function updateBinding(lView: LView, bindingIndex: number, value: any): any {
+  return lView[bindingIndex] = value;
+}
+
+
+/** Gets the current binding value. */
+export function getBinding(lView: LView, bindingIndex: number): any {
+  ngDevMode && assertDataInRange(lView, lView[bindingIndex]);
+  ngDevMode &&
+      assertNotEqual(lView[bindingIndex], NO_CHANGE, 'Stored value should never be NO_CHANGE.');
+  return lView[bindingIndex];
+}
+
+/** Updates binding if changed, then returns whether it was updated. */
+export function bindingUpdated(lView: LView, bindingIndex: number, value: any): boolean {
+  ngDevMode && assertNotEqual(value, NO_CHANGE, 'Incoming value should never be NO_CHANGE.');
+  ngDevMode &&
+      assertLessThan(bindingIndex, lView.length, `Slot should have been initialized to NO_CHANGE`);
+
+  if (lView[bindingIndex] === NO_CHANGE) {
+    // initial pass
+    lView[bindingIndex] = value;
+  } else if (isDifferent(lView[bindingIndex], value)) {
+    if (ngDevMode && getCheckNoChangesMode()) {
+      if (!devModeEqual(lView[bindingIndex], value)) {
+        throwErrorIfNoChangesMode(getCreationMode(), lView[bindingIndex], value);
+      }
+    }
+    lView[bindingIndex] = value;
+  } else {
+    return false;
+  }
+  return true;
+}
+
+/** Updates 2 bindings if changed, then returns whether either was updated. */
+export function bindingUpdated2(lView: LView, bindingIndex: number, exp1: any, exp2: any): boolean {
+  const different = bindingUpdated(lView, bindingIndex, exp1);
+  return bindingUpdated(lView, bindingIndex + 1, exp2) || different;
+}
+
+/** Updates 3 bindings if changed, then returns whether any was updated. */
+export function bindingUpdated3(
+    lView: LView, bindingIndex: number, exp1: any, exp2: any, exp3: any): boolean {
+  const different = bindingUpdated2(lView, bindingIndex, exp1, exp2);
+  return bindingUpdated(lView, bindingIndex + 2, exp3) || different;
+}
+
+/** Updates 4 bindings if changed, then returns whether any was updated. */
+export function bindingUpdated4(
+    lView: LView, bindingIndex: number, exp1: any, exp2: any, exp3: any, exp4: any): boolean {
+  const different = bindingUpdated2(lView, bindingIndex, exp1, exp2);
+  return bindingUpdated2(lView, bindingIndex + 2, exp3, exp4) || different;
+}