dartfmt pkg/compiler

pkg/compiler/lib/src/js_backend/no_such_method_registry.dart

 // Copyright (c) 2015, 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;
 
 /**
  * Categorizes `noSuchMethod` implementations.
  *
  * If user code includes `noSuchMethod` implementations, type inference is
@@ skipping 26 matching lines @@
  *
  *     noSuchMethod(x) => super.noSuchMethod(x);
  *
  * are in the same category as the superclass implementation. This covers a
  * common case, where users implement `noSuchMethod` with these dummy
  * implementations to avoid warnings.
  */
 class NoSuchMethodRegistry {
   /// The implementations that fall into category A, described above.
   final Set<FunctionElement> defaultImpls = new Set<FunctionElement>();
+
   /// The implementations that fall into category B, described above.
   final Set<FunctionElement> throwingImpls = new Set<FunctionElement>();
+
   /// The implementations that fall into category C, described above.
   final Set<FunctionElement> notApplicableImpls = new Set<FunctionElement>();
+
   /// The implementations that fall into category D, described above.
   final Set<FunctionElement> otherImpls = new Set<FunctionElement>();
 
   /// The implementations that fall into category D1
   final Set<FunctionElement> complexNoReturnImpls = new Set<FunctionElement>();
+
   /// The implementations that fall into category D2
   final Set<FunctionElement> complexReturningImpls = new Set<FunctionElement>();
 
   /// The implementations that have not yet been categorized.
   final Set<FunctionElement> _uncategorizedImpls = new Set<FunctionElement>();
 
   final JavaScriptBackend _backend;
   final Compiler _compiler;
 
   NoSuchMethodRegistry(JavaScriptBackend backend)
@@ skipping 17 matching lines @@
   /// Now that type inference is complete, split category D into two
   /// subcategories: D1, those that have no return type, and D2, those
   /// that have a return type.
   void onTypeInferenceComplete() {
     otherImpls.forEach(_subcategorizeOther);
   }
 
   /// Emits a diagnostic
   void emitDiagnostic() {
     throwingImpls.forEach((e) {
-        if (!_hasForwardingSyntax(e)) {
-          reporter.reportHintMessage(
-              e, MessageKind.DIRECTLY_THROWING_NSM);
-        }
-      });
+      if (!_hasForwardingSyntax(e)) {
+        reporter.reportHintMessage(e, MessageKind.DIRECTLY_THROWING_NSM);
+      }
+    });
     complexNoReturnImpls.forEach((e) {
-        if (!_hasForwardingSyntax(e)) {
-          reporter.reportHintMessage(
-              e, MessageKind.COMPLEX_THROWING_NSM);
-        }
-      });
+      if (!_hasForwardingSyntax(e)) {
+        reporter.reportHintMessage(e, MessageKind.COMPLEX_THROWING_NSM);
+      }
+    });
     complexReturningImpls.forEach((e) {
-        if (!_hasForwardingSyntax(e)) {
-          reporter.reportHintMessage(
-              e, MessageKind.COMPLEX_RETURNING_NSM);
-        }
-      });
+      if (!_hasForwardingSyntax(e)) {
+        reporter.reportHintMessage(e, MessageKind.COMPLEX_RETURNING_NSM);
+      }
+    });
   }
 
   /// Returns [true] if the given element is a complex [noSuchMethod]
   /// implementation. An implementation is complex if it falls into
   /// category D, as described above.
   bool isComplex(FunctionElement element) {
     assert(element.name == Identifiers.noSuchMethod_);
     return otherImpls.contains(element);
   }
 
@@ skipping 27 matching lines @@
     }
     if (_isDefaultNoSuchMethodImplementation(element)) {
       defaultImpls.add(element);
       return NsmCategory.DEFAULT;
     } else if (_hasForwardingSyntax(element)) {
       // If the implementation is 'noSuchMethod(x) => super.noSuchMethod(x);'
       // then it is in the same category as the super call.
       Element superCall =
           element.enclosingClass.lookupSuperByName(Names.noSuchMethod_);
       NsmCategory category = _categorizeImpl(superCall);
-      switch(category) {
+      switch (category) {
         case NsmCategory.DEFAULT:
           defaultImpls.add(element);
           break;
         case NsmCategory.THROWING:
           throwingImpls.add(element);
           break;
         case NsmCategory.OTHER:
           otherImpls.add(element);
           break;
         case NsmCategory.NOT_APPLICABLE:
           // If the super method is not applicable, the call is redirected to
           // `Object.noSuchMethod`.
           defaultImpls.add(element);
           category = NsmCategory.DEFAULT;
           break;
       }
       return category;
     } else if (_hasThrowingSyntax(element)) {
       throwingImpls.add(element);
       return NsmCategory.THROWING;
     } else {
       otherImpls.add(element);
       return NsmCategory.OTHER;
     }
   }
 
   bool _isDefaultNoSuchMethodImplementation(FunctionElement element) {
     ClassElement classElement = element.enclosingClass;
-    return classElement == _compiler.coreClasses.objectClass
-        || classElement == _backend.helpers.jsInterceptorClass
-        || classElement == _backend.helpers.jsNullClass;
+    return classElement == _compiler.coreClasses.objectClass ||
+        classElement == _backend.helpers.jsInterceptorClass ||
+        classElement == _backend.helpers.jsNullClass;
   }
 
   bool _hasForwardingSyntax(FunctionElement element) {
     // At this point we know that this is signature-compatible with
     // Object.noSuchMethod, but it may have more than one argument as long as
     // it only has one required argument.
     String param = element.parameters.first.name;
     Statement body = element.node.body;
     Expression expr;
     if (body is Return && body.isArrowBody) {
@@ skipping 34 matching lines @@
         body.statements.nodes.tail.isEmpty) {
       if (body.statements.nodes.head is ExpressionStatement) {
         ExpressionStatement stmt = body.statements.nodes.head;
         return stmt.expression is Throw;
       }
     }
     return false;
   }
 }
 
-enum NsmCategory {
-  DEFAULT,
-  THROWING,
-  NOT_APPLICABLE,
-  OTHER,
-}
+enum NsmCategory { DEFAULT, THROWING, NOT_APPLICABLE, OTHER, }