Rename Constant to ConstantValue and ConstExp to ConstantExpression.

sdk/lib/_internal/compiler/implementation/js_backend/backend.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of js_backend;
 
 const VERBOSE_OPTIMIZER_HINTS = false;
 
 class JavaScriptItemCompilationContext extends ItemCompilationContext {
   final Set<HInstruction> boundsChecked = new Set<HInstruction>();
@@ skipping 687 matching lines @@
     String name = namer.getInterceptorName(getInterceptorMethod, classes);
     if (classes.contains(jsInterceptorClass)) {
       // We can't use a specialized [getInterceptorMethod], so we make
       // sure we emit the one with all checks.
       specializedGetInterceptors[name] = interceptedClasses;
     } else {
       specializedGetInterceptors[name] = classes;
     }
   }
 
-  void registerCompileTimeConstant(Constant constant, Registry registry) {
+  void registerCompileTimeConstant(ConstantValue constant, Registry registry) {
     registerCompileTimeConstantInternal(constant, registry);
-    for (Constant dependency in constant.getDependencies()) {
+    for (ConstantValue dependency in constant.getDependencies()) {
       registerCompileTimeConstant(dependency, registry);
     }
   }
 
-  void registerCompileTimeConstantInternal(Constant constant,
+  void registerCompileTimeConstantInternal(ConstantValue constant,
                                            Registry registry) {
     DartType type = constant.computeType(compiler);
     registerInstantiatedConstantType(type, registry);
 
     if (constant.isFunction) {
-      FunctionConstant function = constant;
+      FunctionConstantValue function = constant;
       registry.registerGetOfStaticFunction(function.element);
     } else if (constant.isInterceptor) {
       // An interceptor constant references the class's prototype chain.
-      InterceptorConstant interceptor = constant;
+      InterceptorConstantValue interceptor = constant;
       registerInstantiatedConstantType(interceptor.dispatchedType, registry);
     } else if (constant.isType) {
       enqueueInResolution(getCreateRuntimeType(), registry);
       registry.registerInstantiation(typeImplementation.rawType);
     }
   }
 
   void registerInstantiatedConstantType(DartType type, Registry registry) {
     DartType instantiatedType =
         type.isFunctionType ? compiler.functionClass.rawType : type;
     if (type is InterfaceType) {
       registry.registerInstantiation(instantiatedType);
       if (!type.treatAsRaw && classNeedsRti(type.element)) {
         registry.registerStaticInvocation(getSetRuntimeTypeInfo());
       }
       if (type.element == typeImplementation) {
         // If we use a type literal in a constant, the compile time
         // constant emitter will generate a call to the createRuntimeType
         // helper so we register a use of that.
         registry.registerStaticInvocation(getCreateRuntimeType());
       }
     }
   }
 
   void registerMetadataConstant(MetadataAnnotation metadata,
                                 Element annotatedElement,
                                 Registry registry) {
     assert(registry.isForResolution);
-    Constant constant = constants.getConstantForMetadata(metadata).value;
+    ConstantValue constant = constants.getConstantForMetadata(metadata).value;
     registerCompileTimeConstant(constant, registry);
     metadataConstants.add(new Dependency(constant, annotatedElement));
   }
 
   void registerInstantiatedClass(ClassElement cls,
                                  Enqueuer enqueuer,
                                  Registry registry) {
     if (!cls.typeVariables.isEmpty) {
       typeVariableHandler.registerClassWithTypeVariables(cls);
     }
@@ skipping 382 matching lines @@
 
   void codegen(CodegenWorkItem work) {
     Element element = work.element;
     var kind = element.kind;
     if (kind == ElementKind.TYPEDEF) return;
     if (element.isConstructor && element.enclosingClass == jsNullClass) {
       // Work around a problem compiling JSNull's constructor.
       return;
     }
     if (kind.category == ElementCategory.VARIABLE) {
-      ConstExp initialValue = constants.getConstantForVariable(element);
+      ConstantExpression initialValue = constants.getConstantForVariable(element);
       if (initialValue != null) {
         registerCompileTimeConstant(initialValue.value, work.registry);
         constants.addCompileTimeConstantForEmission(initialValue.value);
         // We don't need to generate code for static or top-level
         // variables. For instance variables, we may need to generate
         // the checked setter.
         if (Elements.isStaticOrTopLevel(element)) return;
       } else {
         // If the constant-handler was not able to produce a result we have to
         // go through the builder (below) to generate the lazy initializer for
@@ skipping 436 matching lines @@
     if (hasInsufficientMirrorsUsed) return mustPreserveNames;
     if (name == '') return false;
     return symbolsUsed.contains(name);
   }
 
   bool retainMetadataOf(Element element) {
     if (mustRetainMetadata) hasRetainedMetadata = true;
     if (mustRetainMetadata && referencedFromMirrorSystem(element)) {
       for (MetadataAnnotation metadata in element.metadata) {
         metadata.ensureResolved(compiler);
-        Constant constant = constants.getConstantForMetadata(metadata).value;
+        ConstantValue constant =
+            constants.getConstantForMetadata(metadata).value;
         constants.addCompileTimeConstantForEmission(constant);
       }
       return true;
     }
     return false;
   }
 
   void onLibraryCreated(LibraryElement library) {
     Uri uri = library.canonicalUri;
     if (uri == DART_JS_HELPER) {
@@ skipping 248 matching lines @@
    * of a type that is used as a meta target for reflection.
    */
   bool matchesMirrorsMetaTarget(Element element) {
     if (metaTargetsUsed.isEmpty) return false;
     for (Link link = element.metadata; !link.isEmpty; link = link.tail) {
       MetadataAnnotation metadata = link.head;
       // TODO(kasperl): It would be nice if we didn't have to resolve
       // all metadata but only stuff that potentially would match one
       // of the used meta targets.
       metadata.ensureResolved(compiler);
-      Constant value = metadata.constant.value;
+      ConstantValue value = metadata.constant.value;
       if (value == null) continue;
       DartType type = value.computeType(compiler);
       if (metaTargetsUsed.contains(type.element)) return true;
     }
     return false;
   }
 
   /**
    * Visits all classes and computes whether its members are needed for
    * reflection.
@@ skipping 251 matching lines @@
 
   void onElementResolved(Element element, TreeElements elements) {
     LibraryElement library = element.library;
     if (!library.isPlatformLibrary && !library.canUseNative) return;
     bool hasNoInline = false;
     bool hasNoThrows = false;
     bool hasNoSideEffects = false;
     for (MetadataAnnotation metadata in element.metadata) {
       metadata.ensureResolved(compiler);
       if (!metadata.constant.value.isConstructedObject) continue;
-      ObjectConstant value = metadata.constant.value;
+      ObjectConstantValue value = metadata.constant.value;
       ClassElement cls = value.type.element;
       if (cls == noInlineClass) {
         hasNoInline = true;
         if (VERBOSE_OPTIMIZER_HINTS) {
           compiler.reportHint(element,
               MessageKind.GENERIC,
               {'text': "Cannot inline"});
         }
         inlineCache.markAsNonInlinable(element);
       } else if (cls == noThrowsClass) {
@@ skipping 243 matching lines @@
     assert(registry.isForResolution);
     // Make sure that _internals.Symbol.validated is registered.
     assert(backend.compiler.symbolValidatedConstructor != null);
     registerBackendStaticInvocation(
         backend.compiler.symbolValidatedConstructor, registry);
   }
 }
 
 /// Records that [constant] is used by the element behind [registry].
 class Dependency {
-  final Constant constant;
+  final ConstantValue constant;
   final Element annotatedElement;
 
   const Dependency(this.constant, this.annotatedElement);
 }