[fasta] Add and correct more offsets

pkg/front_end/lib/src/fasta/kernel/builder_accessors.dart

Index: pkg/front_end/lib/src/fasta/kernel/builder_accessors.dart
diff --git a/pkg/front_end/lib/src/fasta/kernel/builder_accessors.dart b/pkg/front_end/lib/src/fasta/kernel/builder_accessors.dart
index 20c26cf9e9151c473b396b1047c4c007fbf442b1..fbea087c25002575bc7619757682f6d877ce6aa1 100644
--- a/pkg/front_end/lib/src/fasta/kernel/builder_accessors.dart
+++ b/pkg/front_end/lib/src/fasta/kernel/builder_accessors.dart
@@ -142,17 +142,18 @@ abstract class CompileTimeErrorAccessor implements Accessor {
     return buildError();
   }
 
-  Expression buildCompoundAssignment(Name binaryOperator, Expression value,
+  Expression buildCompoundAssignment(
+      Name binaryOperator, Expression value, int charOffset,
       {bool voidContext: false, Procedure interfaceTarget}) {
     return buildError();
   }
 
-  Expression buildPrefixIncrement(Name binaryOperator,
+  Expression buildPrefixIncrement(Name binaryOperator, int charOffset,
       {bool voidContext: false, Procedure interfaceTarget}) {
     return buildError();
   }
 
-  Expression buildPostfixIncrement(Name binaryOperator,
+  Expression buildPostfixIncrement(Name binaryOperator, int charOffset,
       {bool voidContext: false, Procedure interfaceTarget}) {
     return buildError();
   }
@@ -258,17 +259,18 @@ class ThisAccessor extends BuilderAccessor {
     return internalError("");
   }
 
-  Expression buildCompoundAssignment(Name binaryOperator, Expression value,
+  Expression buildCompoundAssignment(
+      Name binaryOperator, Expression value, int charOffset,
       {bool voidContext: false, Procedure interfaceTarget}) {
     return internalError("");
   }
 
-  Expression buildPrefixIncrement(Name binaryOperator,
+  Expression buildPrefixIncrement(Name binaryOperator, int charOffset,
       {bool voidContext: false, Procedure interfaceTarget}) {
     return internalError("");
   }
 
-  Expression buildPostfixIncrement(Name binaryOperator,
+  Expression buildPostfixIncrement(Name binaryOperator, int charOffset,
       {bool voidContext: false, Procedure interfaceTarget}) {
     return internalError("");
   }
@@ -367,17 +369,18 @@ class SendAccessor extends IncompleteSend {
     return internalError("");
   }
 
-  Expression buildCompoundAssignment(Name binaryOperator, Expression value,
+  Expression buildCompoundAssignment(
+      Name binaryOperator, Expression value, int charOffset,
       {bool voidContext: false, Procedure interfaceTarget}) {
     return internalError("");
   }
 
-  Expression buildPrefixIncrement(Name binaryOperator,
+  Expression buildPrefixIncrement(Name binaryOperator, int charOffset,
       {bool voidContext: false, Procedure interfaceTarget}) {
     return internalError("Unhandled");
   }
 
-  Expression buildPostfixIncrement(Name binaryOperator,
+  Expression buildPostfixIncrement(Name binaryOperator, int charOffset,
       {bool voidContext: false, Procedure interfaceTarget}) {
     return internalError("Unhandled");
   }
@@ -458,17 +461,18 @@ class IncompletePropertyAccessor extends IncompleteSend {
     return internalError("Unhandled");
   }
 
-  Expression buildCompoundAssignment(Name binaryOperator, Expression value,
+  Expression buildCompoundAssignment(
+      Name binaryOperator, Expression value, int charOffset,
       {bool voidContext: false, Procedure interfaceTarget}) {
     return internalError("Unhandled");
   }
 
-  Expression buildPrefixIncrement(Name binaryOperator,
+  Expression buildPrefixIncrement(Name binaryOperator, int charOffset,
       {bool voidContext: false, Procedure interfaceTarget}) {
     return internalError("Unhandled");
   }
 
-  Expression buildPostfixIncrement(Name binaryOperator,
+  Expression buildPostfixIncrement(Name binaryOperator, int charOffset,
       {bool voidContext: false, Procedure interfaceTarget}) {
     return internalError("Unhandled");
   }
@@ -483,11 +487,9 @@ class IncompletePropertyAccessor extends IncompleteSend {
 class IndexAccessor extends kernel.IndexAccessor with BuilderAccessor {
   final BuilderHelper helper;
 
-  final int charOffset;
-
-  IndexAccessor.internal(this.helper, this.charOffset, Expression receiver,
+  IndexAccessor.internal(this.helper, int charOffset, Expression receiver,
       Expression index, Procedure getter, Procedure setter)
-      : super.internal(receiver, index, getter, setter);
+      : super.internal(receiver, index, getter, setter, charOffset);
 
   String get plainNameForRead => "[]";
 
@@ -704,8 +706,10 @@ class VariableAccessor extends kernel.VariableAccessor with BuilderAccessor {
   String get plainNameForRead => variable.name;
 
   Expression doInvocation(int charOffset, Arguments arguments) {
-    return buildMethodInvocation(
-        buildSimpleRead(), new Name("call"), arguments, charOffset);
+    // Normally the offset is at the start of the token, but in this case,
+    // because we insert a '.call', we want it at the end instead.
+    return buildMethodInvocation(buildSimpleRead(), new Name("call"), arguments,
+        charOffset + (variable.name?.length ?? 0));
   }
 
   toString() => "VariableAccessor()";