fasta tokens implement analyzer token API

pkg/front_end/lib/src/fasta/scanner/precedence.dart

Index: pkg/front_end/lib/src/fasta/scanner/precedence.dart
diff --git a/pkg/front_end/lib/src/fasta/scanner/precedence.dart b/pkg/front_end/lib/src/fasta/scanner/precedence.dart
index 42a1c252aa30d0153c4588fc14919eb0b0816832..ed748047943cd220cb8aadd46aaf79911d42fe3c 100644
--- a/pkg/front_end/lib/src/fasta/scanner/precedence.dart
+++ b/pkg/front_end/lib/src/fasta/scanner/precedence.dart
@@ -18,7 +18,7 @@ class PrecedenceInfo implements TokenType {
   const PrecedenceInfo(this.value, this.name, this.precedence, this.kind,
       {this.isOperator: false, this.isUserDefinableOperator: false});
 
-  toString() => 'PrecedenceInfo($value, $precedence, $kind)';
+  toString() => 'PrecedenceInfo($value, $name, $precedence, $kind)';
 
   static const List<PrecedenceInfo> all = const <PrecedenceInfo>[
     BACKPING_INFO,