merge PrecedenceInfo into TokenType and update all refs

pkg/analyzer/lib/src/fasta/ast_builder.dart

 // Copyright (c) 2016, 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.
 
 library fasta.analyzer.ast_builder;
 
 import 'package:analyzer/analyzer.dart';
 import 'package:analyzer/dart/ast/ast_factory.dart' show AstFactory;
 import 'package:analyzer/dart/ast/standard_ast_factory.dart' as standard;
 import 'package:analyzer/dart/ast/token.dart' as analyzer show Token;
 import 'package:analyzer/dart/ast/token.dart' show TokenType;
 import 'package:analyzer/dart/element/element.dart' show Element;
 import 'package:front_end/src/fasta/parser/parser.dart'
     show FormalParameterType, Parser;
-import 'package:front_end/src/fasta/scanner/precedence.dart';
 import 'package:front_end/src/fasta/scanner/string_scanner.dart';
 import 'package:front_end/src/fasta/scanner/token.dart'
     show BeginGroupToken, CommentToken, Token;
 
 import 'package:front_end/src/fasta/errors.dart' show internalError;
 import 'package:front_end/src/fasta/fasta_codes.dart'
     show FastaMessage, codeExpectedExpression, codeExpectedFunctionBody;
 import 'package:front_end/src/fasta/kernel/kernel_builder.dart'
     show Builder, KernelLibraryBuilder, ProcedureBuilder, Scope;
 import 'package:front_end/src/fasta/parser/identifier_context.dart'
@@ skipping 1884 matching lines @@
 
   @override
   void debugEvent(String name) {
     // printEvent(name);
   }
 
   @override
   Token injectGenericCommentTypeAssign(Token token) {
     // TODO(paulberry,scheglov,ahe): figure out how to share these generic
     // comment methods with BodyBuilder.
-    return _injectGenericComment(token, GENERIC_METHOD_TYPE_ASSIGN, 3);
+    return _injectGenericComment(
+        token, TokenType.GENERIC_METHOD_TYPE_ASSIGN, 3);
   }
 
   @override
   Token injectGenericCommentTypeList(Token token) {
-    return _injectGenericComment(token, GENERIC_METHOD_TYPE_LIST, 2);
+    return _injectGenericComment(token, TokenType.GENERIC_METHOD_TYPE_LIST, 2);
   }
 
   @override
   Token replaceTokenWithGenericCommentTypeAssign(
       Token tokenToStartReplacing, Token tokenWithComment) {
     Token injected = injectGenericCommentTypeAssign(tokenWithComment);
     if (!identical(injected, tokenWithComment)) {
       Token prev = tokenToStartReplacing.previous;
       prev.setNextWithoutSettingPrevious(injected);
       tokenToStartReplacing = injected;
       tokenToStartReplacing.previous = prev;
     }
     return tokenToStartReplacing;
   }
 
   /// Check if the given [token] has a comment token with the given [info],
-  /// which should be either [GENERIC_METHOD_TYPE_ASSIGN] or
-  /// [GENERIC_METHOD_TYPE_LIST].  If found, parse the comment into tokens and
-  /// inject into the token stream before the [token].
+  /// which should be either [TokenType.GENERIC_METHOD_TYPE_ASSIGN] or
+  /// [TokenType.GENERIC_METHOD_TYPE_LIST].  If found, parse the comment
+  /// into tokens and inject into the token stream before the [token].
   Token _injectGenericComment(Token token, TokenType info, int prefixLen) {
     if (parseGenericMethodComments) {
       CommentToken t = token.precedingCommentTokens;
       for (; t != null; t = t.next) {
         if (t.info == info) {
           String code = t.lexeme.substring(prefixLen, t.lexeme.length - 2);
           Token tokens = _scanGenericMethodComment(code, t.offset + prefixLen);
           if (tokens != null) {
             // Remove the token from the comment stream.
             t.remove();
             // Insert the tokens into the stream.
             _injectTokenList(token, tokens);
             return tokens;
           }
         }
       }
     }
     return token;
   }
 
   void _injectTokenList(Token beforeToken, Token firstToken) {
     // Scanner creates a cyclic EOF token.
     Token lastToken = firstToken;
-    while (lastToken.next.info != EOF_INFO) {
+    while (lastToken.next.info != TokenType.EOF) {
       lastToken = lastToken.next;
     }
     // Inject these new tokens into the stream.
     Token previous = beforeToken.previous;
     lastToken.setNext(beforeToken);
     previous.setNext(firstToken);
     beforeToken = firstToken;
   }
 
   /// Scans the given [code], and returns the tokens, otherwise returns `null`.
@@ skipping 102 matching lines @@
       } else if (identical('static', s)) {
         staticKeyword = token;
       } else if (identical('var', s)) {
         finalConstOrVarKeyword = token;
       } else {
         internalError('Unhandled modifier: $s');
       }
     }
   }
 }