Revert "Non-format-changing kernel offset changes"

pkg/kernel/lib/transformations/continuation.dart

Index: pkg/kernel/lib/transformations/continuation.dart
diff --git a/pkg/kernel/lib/transformations/continuation.dart b/pkg/kernel/lib/transformations/continuation.dart
index 185edc50eb6ae1742b2cba8d4f2a7fdd6e57bad3..97ef172f8c9475aa93bd5bfe43220c1fc90f9e2e 100644
--- a/pkg/kernel/lib/transformations/continuation.dart
+++ b/pkg/kernel/lib/transformations/continuation.dart
@@ -125,12 +125,9 @@ class SyncStarFunctionRewriter extends ContinuationRewriterBase {
     final function = new FunctionNode(buildClosureBody(),
         positionalParameters: [iteratorVariable],
         requiredParameterCount: 1,
-        asyncMarker: AsyncMarker.SyncYielding)
-      ..fileOffset = enclosingFunction.fileOffset
-      ..fileEndOffset = enclosingFunction.fileEndOffset;
+        asyncMarker: AsyncMarker.SyncYielding);
     final closureFunction =
-        new FunctionDeclaration(nestedClosureVariable, function)
-          ..fileOffset = enclosingFunction.parent.fileOffset;
+        new FunctionDeclaration(nestedClosureVariable, function);
 
     // return new _SyncIterable(:sync_body);
     final arguments = new Arguments([new VariableGet(nestedClosureVariable)]);
@@ -212,9 +209,7 @@ abstract class AsyncRewriterBase extends ContinuationRewriterBase {
     final function = new FunctionNode(buildWrappedBody(),
         positionalParameters: parameters,
         requiredParameterCount: 0,
-        asyncMarker: AsyncMarker.SyncYielding)
-      ..fileOffset = enclosingFunction.fileOffset
-      ..fileEndOffset = enclosingFunction.fileEndOffset;
+        asyncMarker: AsyncMarker.SyncYielding);
 
     // The await expression lifter might have created a number of
     // [VariableDeclarations].
@@ -225,8 +220,7 @@ abstract class AsyncRewriterBase extends ContinuationRewriterBase {
 
     // Now add the closure function itself.
     final closureFunction =
-        new FunctionDeclaration(nestedClosureVariable, function)
-          ..fileOffset = enclosingFunction.parent.fileOffset;
+        new FunctionDeclaration(nestedClosureVariable, function);
     statements.add(closureFunction);
 
     // :async_op_then = _asyncThenWrapperHelper(asyncBody);
@@ -541,7 +535,7 @@ abstract class AsyncRewriterBase extends ContinuationRewriterBase {
       var condition = new AwaitExpression(new MethodInvocation(
           new VariableGet(iteratorVariable),
           new Name('moveNext'),
-          new Arguments(<Expression>[])))..fileOffset = stmt.fileOffset;
+          new Arguments(<Expression>[])));
 
       // var <variable> = iterator.current;
       var valueVariable = stmt.variable;
@@ -665,9 +659,8 @@ class AsyncStarFunctionRewriter extends AsyncRewriterBase {
     // :controller = new _AsyncController(:async_op);
     var arguments =
         new Arguments(<Expression>[new VariableGet(nestedClosureVariable)]);
-    var buildController =
-        new ConstructorInvocation(helper.streamControllerConstructor, arguments)
-          ..fileOffset = enclosingFunction.fileOffset;
+    var buildController = new ConstructorInvocation(
+        helper.streamControllerConstructor, arguments);
     var setController = new ExpressionStatement(
         new VariableSet(controllerVariable, buildController));
     statements.add(setController);
@@ -703,7 +696,7 @@ class AsyncStarFunctionRewriter extends AsyncRewriterBase {
           new VariableGet(controllerVariable),
           new Name("close", helper.asyncLibrary),
           new Arguments(<Expression>[]))),
-      new ReturnStatement()..fileOffset = enclosingFunction.fileEndOffset
+      new ReturnStatement()
     ]);
   }
 
@@ -713,12 +706,10 @@ class AsyncStarFunctionRewriter extends AsyncRewriterBase {
     var addExpression = new MethodInvocation(
         new VariableGet(controllerVariable),
         new Name(stmt.isYieldStar ? 'addStream' : 'add', helper.asyncLibrary),
-        new Arguments(<Expression>[expr]))..fileOffset = stmt.fileOffset;
+        new Arguments(<Expression>[expr]));
 
-    statements.add(new IfStatement(
-        addExpression,
-        new ReturnStatement(new NullLiteral()),
-        createContinuationPoint()..fileOffset = stmt.fileOffset));
+    statements.add(new IfStatement(addExpression,
+        new ReturnStatement(new NullLiteral()), createContinuationPoint()));
     return null;
   }
 
@@ -744,8 +735,7 @@ class AsyncFunctionRewriter extends AsyncRewriterBase {
     // var :completer = new Completer.sync();
     completerVariable = new VariableDeclaration(":completer",
         initializer: new StaticInvocation(helper.completerConstructor,
-            new Arguments([], types: [const DynamicType()]))
-          ..fileOffset = enclosingFunction.body.fileOffset,
+            new Arguments([], types: [const DynamicType()])),
         isFinal: true);
     statements.add(completerVariable);
 
@@ -758,8 +748,7 @@ class AsyncFunctionRewriter extends AsyncRewriterBase {
     var newMicrotaskStatement = new ExpressionStatement(new StaticInvocation(
         helper.futureMicrotaskConstructor,
         new Arguments([new VariableGet(nestedClosureVariable)],
-            types: [const DynamicType()]))
-      ..fileOffset = enclosingFunction.fileOffset);
+            types: [const DynamicType()])));
     statements.add(newMicrotaskStatement);
 
     // return :completer.future;
@@ -771,7 +760,6 @@ class AsyncFunctionRewriter extends AsyncRewriterBase {
     enclosingFunction.body = new Block(statements);
     enclosingFunction.body.parent = enclosingFunction;
     enclosingFunction.asyncMarker = AsyncMarker.Sync;
-    enclosingFunction.debuggable = false;
     return enclosingFunction;
   }
 
@@ -794,7 +782,7 @@ class AsyncFunctionRewriter extends AsyncRewriterBase {
           new VariableGet(completerVariable),
           new Name("complete", helper.asyncLibrary),
           new Arguments([new VariableGet(returnVariable)]))),
-      new ReturnStatement()..fileOffset = enclosingFunction.fileEndOffset
+      new ReturnStatement()
     ]);
   }