Translate Java enums to Dart constants.

pkg/analyzer/lib/src/generated/parser.dart

 // Copyright (c) 2014, 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.
 
 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine.parser;
 
 import 'java_core.dart';
 import 'java_engine.dart';
 import 'instrumentation.dart';
 import 'error.dart';
 import 'source.dart';
 import 'scanner.dart';
 import 'ast.dart';
 import 'utilities_dart.dart';
 import 'engine.dart' show AnalysisEngine;
 import 'utilities_collection.dart' show TokenMap;
 
 /**
  * Instances of the class `CommentAndMetadata` implement a simple data-holder for a method
  * that needs to return multiple values.
  */
 class CommentAndMetadata {
   /**
    * The documentation comment that was parsed, or `null` if none was given.
    */
-  Comment comment;
+  final Comment comment;
 
   /**
    * The metadata that was parsed.
    */
-  List<Annotation> metadata;
+  final List<Annotation> metadata;
 
   /**
    * Initialize a newly created holder with the given data.
    *
    * @param comment the documentation comment that was parsed
    * @param metadata the metadata that was parsed
    */
-  CommentAndMetadata(Comment comment, List<Annotation> metadata) {
-    this.comment = comment;
-    this.metadata = metadata;
-  }
+  CommentAndMetadata(this.comment, this.metadata);
 }
 
 /**
  * Instances of the class `FinalConstVarOrType` implement a simple data-holder for a method
  * that needs to return multiple values.
  */
 class FinalConstVarOrType {
   /**
    * The 'final', 'const' or 'var' keyword, or `null` if none was given.
    */
-  Token keyword;
+  final Token keyword;
 
   /**
    * The type, of `null` if no type was specified.
    */
-  TypeName type;
+  final TypeName type;
 
   /**
    * Initialize a newly created holder with the given data.
    *
    * @param keyword the 'final', 'const' or 'var' keyword
    * @param type the type
    */
-  FinalConstVarOrType(Token keyword, TypeName type) {
-    this.keyword = keyword;
-    this.type = type;
-  }
+  FinalConstVarOrType(this.keyword, this.type);
 }
 
 /**
  * Instances of the class `Modifiers` implement a simple data-holder for a method that needs
  * to return multiple values.
  */
 class Modifiers {
   /**
    * The token representing the keyword 'abstract', or `null` if the keyword was not found.
    */
@@ skipping 67 matching lines @@
  * Instances of the class `IncrementalParseDispatcher` implement a dispatcher that will invoke
  * the right parse method when re-parsing a specified child of the visited node. All of the methods
  * in this class assume that the parser is positioned to parse the replacement for the node. All of
  * the methods will throw an [IncrementalParseException] if the node could not be parsed for
  * some reason.
  */
 class IncrementalParseDispatcher implements AstVisitor<AstNode> {
   /**
    * The parser used to parse the replacement for the node.
    */
-  Parser _parser;
+  final Parser _parser;
 
   /**
    * The node that is to be replaced.
    */
-  AstNode _oldNode;
+  final AstNode _oldNode;
 
   /**
    * Initialize a newly created dispatcher to parse a single node that will replace the given node.
    *
    * @param parser the parser used to parse the replacement for the node
    * @param oldNode the node that is to be replaced
    */
-  IncrementalParseDispatcher(Parser parser, AstNode oldNode) {
-    this._parser = parser;
-    this._oldNode = oldNode;
-  }
+  IncrementalParseDispatcher(this._parser, this._oldNode);
 
   @override
   AstNode visitAdjacentStrings(AdjacentStrings node) {
     if (node.strings.contains(_oldNode)) {
       return _parser.parseStringLiteral();
     }
     return _notAChild(node);
   }
 
   @override
@@ skipping 1055 matching lines @@
 }
 
 /**
  * Instances of the class `IncrementalParser` re-parse a single AST structure within a larger
  * AST structure.
  */
 class IncrementalParser {
   /**
    * The source being parsed.
    */
-  Source _source;
+  final Source _source;
 
   /**
    * A map from old tokens to new tokens used during the cloning process.
    */
-  TokenMap _tokenMap;
+  final TokenMap _tokenMap;
 
   /**
    * The error listener that will be informed of any errors that are found during the parse.
    */
-  AnalysisErrorListener _errorListener;
+  final AnalysisErrorListener _errorListener;
 
   /**
    * The node in the AST structure that contains the revised content.
    */
   AstNode _updatedNode;
 
   /**
    * Initialize a newly created incremental parser to parse a portion of the content of the given
    * source.
    *
    * @param source the source being parsed
    * @param tokenMap a map from old tokens to new tokens used during the cloning process
    * @param errorListener the error listener that will be informed of any errors that are found
    *          during the parse
    */
-  IncrementalParser(Source source, TokenMap tokenMap, AnalysisErrorListener errorListener) {
-    this._source = source;
-    this._tokenMap = tokenMap;
-    this._errorListener = errorListener;
-  }
+  IncrementalParser(this._source, this._tokenMap, this._errorListener);
 
   /**
    * Return the node in the AST structure that contains the revised content.
    *
    * @return the updated node
    */
   AstNode get updatedNode => _updatedNode;
 
   /**
    * Given a range of tokens that were re-scanned, re-parse the minimum number of tokens to produce
@@ skipping 139 matching lines @@
   InsufficientContextException.con2(Exception cause) : super.con2(cause);
 }
 
 /**
  * Instances of the class `Parser` are used to parse tokens into an AST structure.
  */
 class Parser {
   /**
    * The source being parsed.
    */
-  Source _source;
+  final Source _source;
 
   /**
    * The error listener that will be informed of any errors that are found during the parse.
    */
-  AnalysisErrorListener _errorListener;
+  final AnalysisErrorListener _errorListener;
 
   /**
    * An [errorListener] lock, if more than `0`, then errors are not reported.
    */
   int _errorListenerLock = 0;
 
   /**
    * A flag indicating whether parser is to parse function bodies.
    */
   bool _parseFunctionBodies = true;
@@ skipping 23 matching lines @@
 
   static String _SHOW = "show";
 
   /**
    * Initialize a newly created parser.
    *
    * @param source the source being parsed
    * @param errorListener the error listener that will be informed of any errors that are found
    *          during the parse
    */
-  Parser(Source source, AnalysisErrorListener errorListener) {
-    this._source = source;
-    this._errorListener = errorListener;
-  }
+  Parser(this._source, this._errorListener);
 
   /**
    * Parse a compilation unit, starting with the given token.
    *
    * @param token the first token of the compilation unit
    * @return the compilation unit that was parsed
    */
   CompilationUnit parseCompilationUnit(Token token) {
     InstrumentationBuilder instrumentation = Instrumentation.builder2("dart.engine.Parser.parseCompilationUnit");
     try {
@@ skipping 5839 matching lines @@
   int get length => 0;
 }
 
 /**
  * The enumeration `ParserErrorCode` defines the error codes used for errors detected by the
  * parser. The convention for this class is for the name of the error code to indicate the problem
  * that caused the error to be generated and for the error message to explain what is wrong and,
  * when appropriate, how the problem can be corrected.
  */
 class ParserErrorCode extends Enum<ParserErrorCode> implements ErrorCode {
-  static final ParserErrorCode ABSTRACT_CLASS_MEMBER = new ParserErrorCode.con3('ABSTRACT_CLASS_MEMBER', 0, "Members of classes cannot be declared to be 'abstract'");
-
-  static final ParserErrorCode ABSTRACT_STATIC_METHOD = new ParserErrorCode.con3('ABSTRACT_STATIC_METHOD', 1, "Static methods cannot be declared to be 'abstract'");
-
-  static final ParserErrorCode ABSTRACT_TOP_LEVEL_FUNCTION = new ParserErrorCode.con3('ABSTRACT_TOP_LEVEL_FUNCTION', 2, "Top-level functions cannot be declared to be 'abstract'");
-
-  static final ParserErrorCode ABSTRACT_TOP_LEVEL_VARIABLE = new ParserErrorCode.con3('ABSTRACT_TOP_LEVEL_VARIABLE', 3, "Top-level variables cannot be declared to be 'abstract'");
-
-  static final ParserErrorCode ABSTRACT_TYPEDEF = new ParserErrorCode.con3('ABSTRACT_TYPEDEF', 4, "Type aliases cannot be declared to be 'abstract'");
-
-  static final ParserErrorCode ASSERT_DOES_NOT_TAKE_ASSIGNMENT = new ParserErrorCode.con3('ASSERT_DOES_NOT_TAKE_ASSIGNMENT', 5, "Assert cannot be called on an assignment");
-
-  static final ParserErrorCode ASSERT_DOES_NOT_TAKE_CASCADE = new ParserErrorCode.con3('ASSERT_DOES_NOT_TAKE_CASCADE', 6, "Assert cannot be called on cascade");
-
-  static final ParserErrorCode ASSERT_DOES_NOT_TAKE_THROW = new ParserErrorCode.con3('ASSERT_DOES_NOT_TAKE_THROW', 7, "Assert cannot be called on throws");
-
-  static final ParserErrorCode ASSERT_DOES_NOT_TAKE_RETHROW = new ParserErrorCode.con3('ASSERT_DOES_NOT_TAKE_RETHROW', 8, "Assert cannot be called on rethrows");
-
-  static final ParserErrorCode BREAK_OUTSIDE_OF_LOOP = new ParserErrorCode.con3('BREAK_OUTSIDE_OF_LOOP', 9, "A break statement cannot be used outside of a loop or switch statement");
-
-  static final ParserErrorCode CONST_AND_FINAL = new ParserErrorCode.con3('CONST_AND_FINAL', 10, "Members cannot be declared to be both 'const' and 'final'");
-
-  static final ParserErrorCode CONST_AND_VAR = new ParserErrorCode.con3('CONST_AND_VAR', 11, "Members cannot be declared to be both 'const' and 'var'");
-
-  static final ParserErrorCode CONST_CLASS = new ParserErrorCode.con3('CONST_CLASS', 12, "Classes cannot be declared to be 'const'");
-
-  static final ParserErrorCode CONST_CONSTRUCTOR_WITH_BODY = new ParserErrorCode.con3('CONST_CONSTRUCTOR_WITH_BODY', 13, "'const' constructors cannot have a body");
-
-  static final ParserErrorCode CONST_FACTORY = new ParserErrorCode.con3('CONST_FACTORY', 14, "Only redirecting factory constructors can be declared to be 'const'");
-
-  static final ParserErrorCode CONST_METHOD = new ParserErrorCode.con3('CONST_METHOD', 15, "Getters, setters and methods cannot be declared to be 'const'");
-
-  static final ParserErrorCode CONST_TYPEDEF = new ParserErrorCode.con3('CONST_TYPEDEF', 16, "Type aliases cannot be declared to be 'const'");
-
-  static final ParserErrorCode CONSTRUCTOR_WITH_RETURN_TYPE = new ParserErrorCode.con3('CONSTRUCTOR_WITH_RETURN_TYPE', 17, "Constructors cannot have a return type");
-
-  static final ParserErrorCode CONTINUE_OUTSIDE_OF_LOOP = new ParserErrorCode.con3('CONTINUE_OUTSIDE_OF_LOOP', 18, "A continue statement cannot be used outside of a loop or switch statement");
-
-  static final ParserErrorCode CONTINUE_WITHOUT_LABEL_IN_CASE = new ParserErrorCode.con3('CONTINUE_WITHOUT_LABEL_IN_CASE', 19, "A continue statement in a switch statement must have a label as a target");
-
-  static final ParserErrorCode DEPRECATED_ARGUMENT_DEFINITION_TEST = new ParserErrorCode.con3('DEPRECATED_ARGUMENT_DEFINITION_TEST', 20, "The argument definition test ('?' operator) has been deprecated");
-
-  static final ParserErrorCode DEPRECATED_CLASS_TYPE_ALIAS = new ParserErrorCode.con3('DEPRECATED_CLASS_TYPE_ALIAS', 21, "The 'typedef' mixin application was replaced with 'class'");
-
-  static final ParserErrorCode DIRECTIVE_AFTER_DECLARATION = new ParserErrorCode.con3('DIRECTIVE_AFTER_DECLARATION', 22, "Directives must appear before any declarations");
-
-  static final ParserErrorCode DUPLICATE_LABEL_IN_SWITCH_STATEMENT = new ParserErrorCode.con3('DUPLICATE_LABEL_IN_SWITCH_STATEMENT', 23, "The label %s was already used in this switch statement");
-
-  static final ParserErrorCode DUPLICATED_MODIFIER = new ParserErrorCode.con3('DUPLICATED_MODIFIER', 24, "The modifier '%s' was already specified.");
-
-  static final ParserErrorCode EQUALITY_CANNOT_BE_EQUALITY_OPERAND = new ParserErrorCode.con3('EQUALITY_CANNOT_BE_EQUALITY_OPERAND', 25, "Equality expression cannot be operand of another equality expression.");
-
-  static final ParserErrorCode EXPECTED_CASE_OR_DEFAULT = new ParserErrorCode.con3('EXPECTED_CASE_OR_DEFAULT', 26, "Expected 'case' or 'default'");
-
-  static final ParserErrorCode EXPECTED_CLASS_MEMBER = new ParserErrorCode.con3('EXPECTED_CLASS_MEMBER', 27, "Expected a class member");
-
-  static final ParserErrorCode EXPECTED_EXECUTABLE = new ParserErrorCode.con3('EXPECTED_EXECUTABLE', 28, "Expected a method, getter, setter or operator declaration");
-
-  static final ParserErrorCode EXPECTED_LIST_OR_MAP_LITERAL = new ParserErrorCode.con3('EXPECTED_LIST_OR_MAP_LITERAL', 29, "Expected a list or map literal");
-
-  static final ParserErrorCode EXPECTED_STRING_LITERAL = new ParserErrorCode.con3('EXPECTED_STRING_LITERAL', 30, "Expected a string literal");
-
-  static final ParserErrorCode EXPECTED_TOKEN = new ParserErrorCode.con3('EXPECTED_TOKEN', 31, "Expected to find '%s'");
-
-  static final ParserErrorCode EXPECTED_TYPE_NAME = new ParserErrorCode.con3('EXPECTED_TYPE_NAME', 32, "Expected a type name");
-
-  static final ParserErrorCode EXPORT_DIRECTIVE_AFTER_PART_DIRECTIVE = new ParserErrorCode.con3('EXPORT_DIRECTIVE_AFTER_PART_DIRECTIVE', 33, "Export directives must preceed part directives");
-
-  static final ParserErrorCode EXTERNAL_AFTER_CONST = new ParserErrorCode.con3('EXTERNAL_AFTER_CONST', 34, "The modifier 'external' should be before the modifier 'const'");
-
-  static final ParserErrorCode EXTERNAL_AFTER_FACTORY = new ParserErrorCode.con3('EXTERNAL_AFTER_FACTORY', 35, "The modifier 'external' should be before the modifier 'factory'");
-
-  static final ParserErrorCode EXTERNAL_AFTER_STATIC = new ParserErrorCode.con3('EXTERNAL_AFTER_STATIC', 36, "The modifier 'external' should be before the modifier 'static'");
-
-  static final ParserErrorCode EXTERNAL_CLASS = new ParserErrorCode.con3('EXTERNAL_CLASS', 37, "Classes cannot be declared to be 'external'");
-
-  static final ParserErrorCode EXTERNAL_CONSTRUCTOR_WITH_BODY = new ParserErrorCode.con3('EXTERNAL_CONSTRUCTOR_WITH_BODY', 38, "External constructors cannot have a body");
-
-  static final ParserErrorCode EXTERNAL_FIELD = new ParserErrorCode.con3('EXTERNAL_FIELD', 39, "Fields cannot be declared to be 'external'");
-
-  static final ParserErrorCode EXTERNAL_GETTER_WITH_BODY = new ParserErrorCode.con3('EXTERNAL_GETTER_WITH_BODY', 40, "External getters cannot have a body");
-
-  static final ParserErrorCode EXTERNAL_METHOD_WITH_BODY = new ParserErrorCode.con3('EXTERNAL_METHOD_WITH_BODY', 41, "External methods cannot have a body");
-
-  static final ParserErrorCode EXTERNAL_OPERATOR_WITH_BODY = new ParserErrorCode.con3('EXTERNAL_OPERATOR_WITH_BODY', 42, "External operators cannot have a body");
-
-  static final ParserErrorCode EXTERNAL_SETTER_WITH_BODY = new ParserErrorCode.con3('EXTERNAL_SETTER_WITH_BODY', 43, "External setters cannot have a body");
-
-  static final ParserErrorCode EXTERNAL_TYPEDEF = new ParserErrorCode.con3('EXTERNAL_TYPEDEF', 44, "Type aliases cannot be declared to be 'external'");
-
-  static final ParserErrorCode FACTORY_TOP_LEVEL_DECLARATION = new ParserErrorCode.con3('FACTORY_TOP_LEVEL_DECLARATION', 45, "Top-level declarations cannot be declared to be 'factory'");
-
-  static final ParserErrorCode FACTORY_WITHOUT_BODY = new ParserErrorCode.con3('FACTORY_WITHOUT_BODY', 46, "A non-redirecting 'factory' constructor must have a body");
-
-  static final ParserErrorCode FIELD_INITIALIZER_OUTSIDE_CONSTRUCTOR = new ParserErrorCode.con3('FIELD_INITIALIZER_OUTSIDE_CONSTRUCTOR', 47, "Field initializers can only be used in a constructor");
-
-  static final ParserErrorCode FINAL_AND_VAR = new ParserErrorCode.con3('FINAL_AND_VAR', 48, "Members cannot be declared to be both 'final' and 'var'");
-
-  static final ParserErrorCode FINAL_CLASS = new ParserErrorCode.con3('FINAL_CLASS', 49, "Classes cannot be declared to be 'final'");
-
-  static final ParserErrorCode FINAL_CONSTRUCTOR = new ParserErrorCode.con3('FINAL_CONSTRUCTOR', 50, "A constructor cannot be declared to be 'final'");
-
-  static final ParserErrorCode FINAL_METHOD = new ParserErrorCode.con3('FINAL_METHOD', 51, "Getters, setters and methods cannot be declared to be 'final'");
-
-  static final ParserErrorCode FINAL_TYPEDEF = new ParserErrorCode.con3('FINAL_TYPEDEF', 52, "Type aliases cannot be declared to be 'final'");
-
-  static final ParserErrorCode FUNCTION_TYPED_PARAMETER_VAR = new ParserErrorCode.con3('FUNCTION_TYPED_PARAMETER_VAR', 53, "Function typed parameters cannot specify 'const', 'final' or 'var' instead of return type");
-
-  static final ParserErrorCode GETTER_IN_FUNCTION = new ParserErrorCode.con3('GETTER_IN_FUNCTION', 54, "Getters cannot be defined within methods or functions");
-
-  static final ParserErrorCode GETTER_WITH_PARAMETERS = new ParserErrorCode.con3('GETTER_WITH_PARAMETERS', 55, "Getter should be declared without a parameter list");
-
-  static final ParserErrorCode ILLEGAL_ASSIGNMENT_TO_NON_ASSIGNABLE = new ParserErrorCode.con3('ILLEGAL_ASSIGNMENT_TO_NON_ASSIGNABLE', 56, "Illegal assignment to non-assignable expression");
-
-  static final ParserErrorCode IMPLEMENTS_BEFORE_EXTENDS = new ParserErrorCode.con3('IMPLEMENTS_BEFORE_EXTENDS', 57, "The extends clause must be before the implements clause");
-
-  static final ParserErrorCode IMPLEMENTS_BEFORE_WITH = new ParserErrorCode.con3('IMPLEMENTS_BEFORE_WITH', 58, "The with clause must be before the implements clause");
-
-  static final ParserErrorCode IMPORT_DIRECTIVE_AFTER_PART_DIRECTIVE = new ParserErrorCode.con3('IMPORT_DIRECTIVE_AFTER_PART_DIRECTIVE', 59, "Import directives must preceed part directives");
-
-  static final ParserErrorCode INITIALIZED_VARIABLE_IN_FOR_EACH = new ParserErrorCode.con3('INITIALIZED_VARIABLE_IN_FOR_EACH', 60, "The loop variable in a for-each loop cannot be initialized");
-
-  static final ParserErrorCode INVALID_CODE_POINT = new ParserErrorCode.con3('INVALID_CODE_POINT', 61, "The escape sequence '%s' is not a valid code point");
-
-  static final ParserErrorCode INVALID_COMMENT_REFERENCE = new ParserErrorCode.con3('INVALID_COMMENT_REFERENCE', 62, "Comment references should contain a possibly prefixed identifier and can start with 'new', but should not contain anything else");
-
-  static final ParserErrorCode INVALID_HEX_ESCAPE = new ParserErrorCode.con3('INVALID_HEX_ESCAPE', 63, "An escape sequence starting with '\\x' must be followed by 2 hexidecimal digits");
-
-  static final ParserErrorCode INVALID_OPERATOR = new ParserErrorCode.con3('INVALID_OPERATOR', 64, "The string '%s' is not a valid operator");
-
-  static final ParserErrorCode INVALID_OPERATOR_FOR_SUPER = new ParserErrorCode.con3('INVALID_OPERATOR_FOR_SUPER', 65, "The operator '%s' cannot be used with 'super'");
-
-  static final ParserErrorCode INVALID_UNICODE_ESCAPE = new ParserErrorCode.con3('INVALID_UNICODE_ESCAPE', 66, "An escape sequence starting with '\\u' must be followed by 4 hexidecimal digits or from 1 to 6 digits between '{' and '}'");
-
-  static final ParserErrorCode LIBRARY_DIRECTIVE_NOT_FIRST = new ParserErrorCode.con3('LIBRARY_DIRECTIVE_NOT_FIRST', 67, "The library directive must appear before all other directives");
-
-  static final ParserErrorCode LOCAL_FUNCTION_DECLARATION_MODIFIER = new ParserErrorCode.con3('LOCAL_FUNCTION_DECLARATION_MODIFIER', 68, "Local function declarations cannot specify any modifier");
-
-  static final ParserErrorCode MISSING_ASSIGNABLE_SELECTOR = new ParserErrorCode.con3('MISSING_ASSIGNABLE_SELECTOR', 69, "Missing selector such as \".<identifier>\" or \"[0]\"");
-
-  static final ParserErrorCode MISSING_CATCH_OR_FINALLY = new ParserErrorCode.con3('MISSING_CATCH_OR_FINALLY', 70, "A try statement must have either a catch or finally clause");
-
-  static final ParserErrorCode MISSING_CLASS_BODY = new ParserErrorCode.con3('MISSING_CLASS_BODY', 71, "A class definition must have a body, even if it is empty");
-
-  static final ParserErrorCode MISSING_CLOSING_PARENTHESIS = new ParserErrorCode.con3('MISSING_CLOSING_PARENTHESIS', 72, "The closing parenthesis is missing");
-
-  static final ParserErrorCode MISSING_CONST_FINAL_VAR_OR_TYPE = new ParserErrorCode.con3('MISSING_CONST_FINAL_VAR_OR_TYPE', 73, "Variables must be declared using the keywords 'const', 'final', 'var' or a type name");
-
-  static final ParserErrorCode MISSING_EXPRESSION_IN_THROW = new ParserErrorCode.con3('MISSING_EXPRESSION_IN_THROW', 74, "Throw expressions must compute the object to be thrown");
-
-  static final ParserErrorCode MISSING_FUNCTION_BODY = new ParserErrorCode.con3('MISSING_FUNCTION_BODY', 75, "A function body must be provided");
-
-  static final ParserErrorCode MISSING_FUNCTION_PARAMETERS = new ParserErrorCode.con3('MISSING_FUNCTION_PARAMETERS', 76, "Functions must have an explicit list of parameters");
-
-  static final ParserErrorCode MISSING_IDENTIFIER = new ParserErrorCode.con3('MISSING_IDENTIFIER', 77, "Expected an identifier");
-
-  static final ParserErrorCode MISSING_KEYWORD_OPERATOR = new ParserErrorCode.con3('MISSING_KEYWORD_OPERATOR', 78, "Operator declarations must be preceeded by the keyword 'operator'");
-
-  static final ParserErrorCode MISSING_NAME_IN_LIBRARY_DIRECTIVE = new ParserErrorCode.con3('MISSING_NAME_IN_LIBRARY_DIRECTIVE', 79, "Library directives must include a library name");
-
-  static final ParserErrorCode MISSING_NAME_IN_PART_OF_DIRECTIVE = new ParserErrorCode.con3('MISSING_NAME_IN_PART_OF_DIRECTIVE', 80, "Library directives must include a library name");
-
-  static final ParserErrorCode MISSING_STATEMENT = new ParserErrorCode.con3('MISSING_STATEMENT', 81, "Expected a statement");
-
-  static final ParserErrorCode MISSING_TERMINATOR_FOR_PARAMETER_GROUP = new ParserErrorCode.con3('MISSING_TERMINATOR_FOR_PARAMETER_GROUP', 82, "There is no '%s' to close the parameter group");
-
-  static final ParserErrorCode MISSING_TYPEDEF_PARAMETERS = new ParserErrorCode.con3('MISSING_TYPEDEF_PARAMETERS', 83, "Type aliases for functions must have an explicit list of parameters");
-
-  static final ParserErrorCode MISSING_VARIABLE_IN_FOR_EACH = new ParserErrorCode.con3('MISSING_VARIABLE_IN_FOR_EACH', 84, "A loop variable must be declared in a for-each loop before the 'in', but none were found");
-
-  static final ParserErrorCode MIXED_PARAMETER_GROUPS = new ParserErrorCode.con3('MIXED_PARAMETER_GROUPS', 85, "Cannot have both positional and named parameters in a single parameter list");
-
-  static final ParserErrorCode MULTIPLE_EXTENDS_CLAUSES = new ParserErrorCode.con3('MULTIPLE_EXTENDS_CLAUSES', 86, "Each class definition can have at most one extends clause");
-
-  static final ParserErrorCode MULTIPLE_IMPLEMENTS_CLAUSES = new ParserErrorCode.con3('MULTIPLE_IMPLEMENTS_CLAUSES', 87, "Each class definition can have at most one implements clause");
-
-  static final ParserErrorCode MULTIPLE_LIBRARY_DIRECTIVES = new ParserErrorCode.con3('MULTIPLE_LIBRARY_DIRECTIVES', 88, "Only one library directive may be declared in a file");
-
-  static final ParserErrorCode MULTIPLE_NAMED_PARAMETER_GROUPS = new ParserErrorCode.con3('MULTIPLE_NAMED_PARAMETER_GROUPS', 89, "Cannot have multiple groups of named parameters in a single parameter list");
-
-  static final ParserErrorCode MULTIPLE_PART_OF_DIRECTIVES = new ParserErrorCode.con3('MULTIPLE_PART_OF_DIRECTIVES', 90, "Only one part-of directive may be declared in a file");
-
-  static final ParserErrorCode MULTIPLE_POSITIONAL_PARAMETER_GROUPS = new ParserErrorCode.con3('MULTIPLE_POSITIONAL_PARAMETER_GROUPS', 91, "Cannot have multiple groups of positional parameters in a single parameter list");
-
-  static final ParserErrorCode MULTIPLE_VARIABLES_IN_FOR_EACH = new ParserErrorCode.con3('MULTIPLE_VARIABLES_IN_FOR_EACH', 92, "A single loop variable must be declared in a for-each loop before the 'in', but %s were found");
-
-  static final ParserErrorCode MULTIPLE_WITH_CLAUSES = new ParserErrorCode.con3('MULTIPLE_WITH_CLAUSES', 93, "Each class definition can have at most one with clause");
-
-  static final ParserErrorCode NAMED_FUNCTION_EXPRESSION = new ParserErrorCode.con3('NAMED_FUNCTION_EXPRESSION', 94, "Function expressions cannot be named");
-
-  static final ParserErrorCode NAMED_PARAMETER_OUTSIDE_GROUP = new ParserErrorCode.con3('NAMED_PARAMETER_OUTSIDE_GROUP', 95, "Named parameters must be enclosed in curly braces ('{' and '}')");
-
-  static final ParserErrorCode NATIVE_CLAUSE_IN_NON_SDK_CODE = new ParserErrorCode.con3('NATIVE_CLAUSE_IN_NON_SDK_CODE', 96, "Native clause can only be used in the SDK and code that is loaded through native extensions");
-
-  static final ParserErrorCode NATIVE_FUNCTION_BODY_IN_NON_SDK_CODE = new ParserErrorCode.con3('NATIVE_FUNCTION_BODY_IN_NON_SDK_CODE', 97, "Native functions can only be declared in the SDK and code that is loaded through native extensions");
-
-  static final ParserErrorCode NON_CONSTRUCTOR_FACTORY = new ParserErrorCode.con3('NON_CONSTRUCTOR_FACTORY', 98, "Only constructors can be declared to be a 'factory'");
-
-  static final ParserErrorCode NON_IDENTIFIER_LIBRARY_NAME = new ParserErrorCode.con3('NON_IDENTIFIER_LIBRARY_NAME', 99, "The name of a library must be an identifier");
-
-  static final ParserErrorCode NON_PART_OF_DIRECTIVE_IN_PART = new ParserErrorCode.con3('NON_PART_OF_DIRECTIVE_IN_PART', 100, "The part-of directive must be the only directive in a part");
-
-  static final ParserErrorCode NON_USER_DEFINABLE_OPERATOR = new ParserErrorCode.con3('NON_USER_DEFINABLE_OPERATOR', 101, "The operator '%s' is not user definable");
-
-  static final ParserErrorCode NORMAL_BEFORE_OPTIONAL_PARAMETERS = new ParserErrorCode.con3('NORMAL_BEFORE_OPTIONAL_PARAMETERS', 102, "Normal parameters must occur before optional parameters");
-
-  static final ParserErrorCode POSITIONAL_AFTER_NAMED_ARGUMENT = new ParserErrorCode.con3('POSITIONAL_AFTER_NAMED_ARGUMENT', 103, "Positional arguments must occur before named arguments");
-
-  static final ParserErrorCode POSITIONAL_PARAMETER_OUTSIDE_GROUP = new ParserErrorCode.con3('POSITIONAL_PARAMETER_OUTSIDE_GROUP', 104, "Positional parameters must be enclosed in square brackets ('[' and ']')");
-
-  static final ParserErrorCode REDIRECTION_IN_NON_FACTORY_CONSTRUCTOR = new ParserErrorCode.con3('REDIRECTION_IN_NON_FACTORY_CONSTRUCTOR', 105, "Only factory constructor can specify '=' redirection.");
-
-  static final ParserErrorCode SETTER_IN_FUNCTION = new ParserErrorCode.con3('SETTER_IN_FUNCTION', 106, "Setters cannot be defined within methods or functions");
-
-  static final ParserErrorCode STATIC_AFTER_CONST = new ParserErrorCode.con3('STATIC_AFTER_CONST', 107, "The modifier 'static' should be before the modifier 'const'");
-
-  static final ParserErrorCode STATIC_AFTER_FINAL = new ParserErrorCode.con3('STATIC_AFTER_FINAL', 108, "The modifier 'static' should be before the modifier 'final'");
-
-  static final ParserErrorCode STATIC_AFTER_VAR = new ParserErrorCode.con3('STATIC_AFTER_VAR', 109, "The modifier 'static' should be before the modifier 'var'");
-
-  static final ParserErrorCode STATIC_CONSTRUCTOR = new ParserErrorCode.con3('STATIC_CONSTRUCTOR', 110, "Constructors cannot be static");
-
-  static final ParserErrorCode STATIC_GETTER_WITHOUT_BODY = new ParserErrorCode.con3('STATIC_GETTER_WITHOUT_BODY', 111, "A 'static' getter must have a body");
-
-  static final ParserErrorCode STATIC_OPERATOR = new ParserErrorCode.con3('STATIC_OPERATOR', 112, "Operators cannot be static");
-
-  static final ParserErrorCode STATIC_SETTER_WITHOUT_BODY = new ParserErrorCode.con3('STATIC_SETTER_WITHOUT_BODY', 113, "A 'static' setter must have a body");
-
-  static final ParserErrorCode STATIC_TOP_LEVEL_DECLARATION = new ParserErrorCode.con3('STATIC_TOP_LEVEL_DECLARATION', 114, "Top-level declarations cannot be declared to be 'static'");
-
-  static final ParserErrorCode SWITCH_HAS_CASE_AFTER_DEFAULT_CASE = new ParserErrorCode.con3('SWITCH_HAS_CASE_AFTER_DEFAULT_CASE', 115, "The 'default' case should be the last case in a switch statement");
-
-  static final ParserErrorCode SWITCH_HAS_MULTIPLE_DEFAULT_CASES = new ParserErrorCode.con3('SWITCH_HAS_MULTIPLE_DEFAULT_CASES', 116, "The 'default' case can only be declared once");
-
-  static final ParserErrorCode TOP_LEVEL_OPERATOR = new ParserErrorCode.con3('TOP_LEVEL_OPERATOR', 117, "Operators must be declared within a class");
-
-  static final ParserErrorCode UNEXPECTED_TERMINATOR_FOR_PARAMETER_GROUP = new ParserErrorCode.con3('UNEXPECTED_TERMINATOR_FOR_PARAMETER_GROUP', 118, "There is no '%s' to open a parameter group");
-
-  static final ParserErrorCode UNEXPECTED_TOKEN = new ParserErrorCode.con3('UNEXPECTED_TOKEN', 119, "Unexpected token '%s'");
-
-  static final ParserErrorCode WITH_BEFORE_EXTENDS = new ParserErrorCode.con3('WITH_BEFORE_EXTENDS', 120, "The extends clause must be before the with clause");
-
-  static final ParserErrorCode WITH_WITHOUT_EXTENDS = new ParserErrorCode.con3('WITH_WITHOUT_EXTENDS', 121, "The with clause cannot be used without an extends clause");
-
-  static final ParserErrorCode WRONG_SEPARATOR_FOR_NAMED_PARAMETER = new ParserErrorCode.con3('WRONG_SEPARATOR_FOR_NAMED_PARAMETER', 122, "The default value of a named parameter should be preceeded by ':'");
-
-  static final ParserErrorCode WRONG_SEPARATOR_FOR_POSITIONAL_PARAMETER = new ParserErrorCode.con3('WRONG_SEPARATOR_FOR_POSITIONAL_PARAMETER', 123, "The default value of a positional parameter should be preceeded by '='");
-
-  static final ParserErrorCode WRONG_TERMINATOR_FOR_PARAMETER_GROUP = new ParserErrorCode.con3('WRONG_TERMINATOR_FOR_PARAMETER_GROUP', 124, "Expected '%s' to close parameter group");
-
-  static final ParserErrorCode VAR_AND_TYPE = new ParserErrorCode.con3('VAR_AND_TYPE', 125, "Variables cannot be declared using both 'var' and a type name; remove the 'var'");
-
-  static final ParserErrorCode VAR_AS_TYPE_NAME = new ParserErrorCode.con3('VAR_AS_TYPE_NAME', 126, "The keyword 'var' cannot be used as a type name");
-
-  static final ParserErrorCode VAR_CLASS = new ParserErrorCode.con3('VAR_CLASS', 127, "Classes cannot be declared to be 'var'");
-
-  static final ParserErrorCode VAR_RETURN_TYPE = new ParserErrorCode.con3('VAR_RETURN_TYPE', 128, "The return type cannot be 'var'");
-
-  static final ParserErrorCode VAR_TYPEDEF = new ParserErrorCode.con3('VAR_TYPEDEF', 129, "Type aliases cannot be declared to be 'var'");
-
-  static final ParserErrorCode VOID_PARAMETER = new ParserErrorCode.con3('VOID_PARAMETER', 130, "Parameters cannot have a type of 'void'");
-
-  static final ParserErrorCode VOID_VARIABLE = new ParserErrorCode.con3('VOID_VARIABLE', 131, "Variables cannot have a type of 'void'");
-
-  static final List<ParserErrorCode> values = [
+  static const ParserErrorCode ABSTRACT_CLASS_MEMBER = const ParserErrorCode.con3('ABSTRACT_CLASS_MEMBER', 0, "Members of classes cannot be declared to be 'abstract'");
+
+  static const ParserErrorCode ABSTRACT_STATIC_METHOD = const ParserErrorCode.con3('ABSTRACT_STATIC_METHOD', 1, "Static methods cannot be declared to be 'abstract'");
+
+  static const ParserErrorCode ABSTRACT_TOP_LEVEL_FUNCTION = const ParserErrorCode.con3('ABSTRACT_TOP_LEVEL_FUNCTION', 2, "Top-level functions cannot be declared to be 'abstract'");
+
+  static const ParserErrorCode ABSTRACT_TOP_LEVEL_VARIABLE = const ParserErrorCode.con3('ABSTRACT_TOP_LEVEL_VARIABLE', 3, "Top-level variables cannot be declared to be 'abstract'");
+
+  static const ParserErrorCode ABSTRACT_TYPEDEF = const ParserErrorCode.con3('ABSTRACT_TYPEDEF', 4, "Type aliases cannot be declared to be 'abstract'");
+
+  static const ParserErrorCode ASSERT_DOES_NOT_TAKE_ASSIGNMENT = const ParserErrorCode.con3('ASSERT_DOES_NOT_TAKE_ASSIGNMENT', 5, "Assert cannot be called on an assignment");
+
+  static const ParserErrorCode ASSERT_DOES_NOT_TAKE_CASCADE = const ParserErrorCode.con3('ASSERT_DOES_NOT_TAKE_CASCADE', 6, "Assert cannot be called on cascade");
+
+  static const ParserErrorCode ASSERT_DOES_NOT_TAKE_THROW = const ParserErrorCode.con3('ASSERT_DOES_NOT_TAKE_THROW', 7, "Assert cannot be called on throws");
+
+  static const ParserErrorCode ASSERT_DOES_NOT_TAKE_RETHROW = const ParserErrorCode.con3('ASSERT_DOES_NOT_TAKE_RETHROW', 8, "Assert cannot be called on rethrows");
+
+  static const ParserErrorCode BREAK_OUTSIDE_OF_LOOP = const ParserErrorCode.con3('BREAK_OUTSIDE_OF_LOOP', 9, "A break statement cannot be used outside of a loop or switch statement");
+
+  static const ParserErrorCode CONST_AND_FINAL = const ParserErrorCode.con3('CONST_AND_FINAL', 10, "Members cannot be declared to be both 'const' and 'final'");
+
+  static const ParserErrorCode CONST_AND_VAR = const ParserErrorCode.con3('CONST_AND_VAR', 11, "Members cannot be declared to be both 'const' and 'var'");
+
+  static const ParserErrorCode CONST_CLASS = const ParserErrorCode.con3('CONST_CLASS', 12, "Classes cannot be declared to be 'const'");
+
+  static const ParserErrorCode CONST_CONSTRUCTOR_WITH_BODY = const ParserErrorCode.con3('CONST_CONSTRUCTOR_WITH_BODY', 13, "'const' constructors cannot have a body");
+
+  static const ParserErrorCode CONST_FACTORY = const ParserErrorCode.con3('CONST_FACTORY', 14, "Only redirecting factory constructors can be declared to be 'const'");
+
+  static const ParserErrorCode CONST_METHOD = const ParserErrorCode.con3('CONST_METHOD', 15, "Getters, setters and methods cannot be declared to be 'const'");
+
+  static const ParserErrorCode CONST_TYPEDEF = const ParserErrorCode.con3('CONST_TYPEDEF', 16, "Type aliases cannot be declared to be 'const'");
+
+  static const ParserErrorCode CONSTRUCTOR_WITH_RETURN_TYPE = const ParserErrorCode.con3('CONSTRUCTOR_WITH_RETURN_TYPE', 17, "Constructors cannot have a return type");
+
+  static const ParserErrorCode CONTINUE_OUTSIDE_OF_LOOP = const ParserErrorCode.con3('CONTINUE_OUTSIDE_OF_LOOP', 18, "A continue statement cannot be used outside of a loop or switch statement");
+
+  static const ParserErrorCode CONTINUE_WITHOUT_LABEL_IN_CASE = const ParserErrorCode.con3('CONTINUE_WITHOUT_LABEL_IN_CASE', 19, "A continue statement in a switch statement must have a label as a target");
+
+  static const ParserErrorCode DEPRECATED_ARGUMENT_DEFINITION_TEST = const ParserErrorCode.con3('DEPRECATED_ARGUMENT_DEFINITION_TEST', 20, "The argument definition test ('?' operator) has been deprecated");
+
+  static const ParserErrorCode DEPRECATED_CLASS_TYPE_ALIAS = const ParserErrorCode.con3('DEPRECATED_CLASS_TYPE_ALIAS', 21, "The 'typedef' mixin application was replaced with 'class'");
+
+  static const ParserErrorCode DIRECTIVE_AFTER_DECLARATION = const ParserErrorCode.con3('DIRECTIVE_AFTER_DECLARATION', 22, "Directives must appear before any declarations");
+
+  static const ParserErrorCode DUPLICATE_LABEL_IN_SWITCH_STATEMENT = const ParserErrorCode.con3('DUPLICATE_LABEL_IN_SWITCH_STATEMENT', 23, "The label %s was already used in this switch statement");
+
+  static const ParserErrorCode DUPLICATED_MODIFIER = const ParserErrorCode.con3('DUPLICATED_MODIFIER', 24, "The modifier '%s' was already specified.");
+
+  static const ParserErrorCode EQUALITY_CANNOT_BE_EQUALITY_OPERAND = const ParserErrorCode.con3('EQUALITY_CANNOT_BE_EQUALITY_OPERAND', 25, "Equality expression cannot be operand of another equality expression.");
+
+  static const ParserErrorCode EXPECTED_CASE_OR_DEFAULT = const ParserErrorCode.con3('EXPECTED_CASE_OR_DEFAULT', 26, "Expected 'case' or 'default'");
+
+  static const ParserErrorCode EXPECTED_CLASS_MEMBER = const ParserErrorCode.con3('EXPECTED_CLASS_MEMBER', 27, "Expected a class member");
+
+  static const ParserErrorCode EXPECTED_EXECUTABLE = const ParserErrorCode.con3('EXPECTED_EXECUTABLE', 28, "Expected a method, getter, setter or operator declaration");
+
+  static const ParserErrorCode EXPECTED_LIST_OR_MAP_LITERAL = const ParserErrorCode.con3('EXPECTED_LIST_OR_MAP_LITERAL', 29, "Expected a list or map literal");
+
+  static const ParserErrorCode EXPECTED_STRING_LITERAL = const ParserErrorCode.con3('EXPECTED_STRING_LITERAL', 30, "Expected a string literal");
+
+  static const ParserErrorCode EXPECTED_TOKEN = const ParserErrorCode.con3('EXPECTED_TOKEN', 31, "Expected to find '%s'");
+
+  static const ParserErrorCode EXPECTED_TYPE_NAME = const ParserErrorCode.con3('EXPECTED_TYPE_NAME', 32, "Expected a type name");
+
+  static const ParserErrorCode EXPORT_DIRECTIVE_AFTER_PART_DIRECTIVE = const ParserErrorCode.con3('EXPORT_DIRECTIVE_AFTER_PART_DIRECTIVE', 33, "Export directives must preceed part directives");
+
+  static const ParserErrorCode EXTERNAL_AFTER_CONST = const ParserErrorCode.con3('EXTERNAL_AFTER_CONST', 34, "The modifier 'external' should be before the modifier 'const'");
+
+  static const ParserErrorCode EXTERNAL_AFTER_FACTORY = const ParserErrorCode.con3('EXTERNAL_AFTER_FACTORY', 35, "The modifier 'external' should be before the modifier 'factory'");
+
+  static const ParserErrorCode EXTERNAL_AFTER_STATIC = const ParserErrorCode.con3('EXTERNAL_AFTER_STATIC', 36, "The modifier 'external' should be before the modifier 'static'");
+
+  static const ParserErrorCode EXTERNAL_CLASS = const ParserErrorCode.con3('EXTERNAL_CLASS', 37, "Classes cannot be declared to be 'external'");
+
+  static const ParserErrorCode EXTERNAL_CONSTRUCTOR_WITH_BODY = const ParserErrorCode.con3('EXTERNAL_CONSTRUCTOR_WITH_BODY', 38, "External constructors cannot have a body");
+
+  static const ParserErrorCode EXTERNAL_FIELD = const ParserErrorCode.con3('EXTERNAL_FIELD', 39, "Fields cannot be declared to be 'external'");
+
+  static const ParserErrorCode EXTERNAL_GETTER_WITH_BODY = const ParserErrorCode.con3('EXTERNAL_GETTER_WITH_BODY', 40, "External getters cannot have a body");
+
+  static const ParserErrorCode EXTERNAL_METHOD_WITH_BODY = const ParserErrorCode.con3('EXTERNAL_METHOD_WITH_BODY', 41, "External methods cannot have a body");
+
+  static const ParserErrorCode EXTERNAL_OPERATOR_WITH_BODY = const ParserErrorCode.con3('EXTERNAL_OPERATOR_WITH_BODY', 42, "External operators cannot have a body");
+
+  static const ParserErrorCode EXTERNAL_SETTER_WITH_BODY = const ParserErrorCode.con3('EXTERNAL_SETTER_WITH_BODY', 43, "External setters cannot have a body");
+
+  static const ParserErrorCode EXTERNAL_TYPEDEF = const ParserErrorCode.con3('EXTERNAL_TYPEDEF', 44, "Type aliases cannot be declared to be 'external'");
+
+  static const ParserErrorCode FACTORY_TOP_LEVEL_DECLARATION = const ParserErrorCode.con3('FACTORY_TOP_LEVEL_DECLARATION', 45, "Top-level declarations cannot be declared to be 'factory'");
+
+  static const ParserErrorCode FACTORY_WITHOUT_BODY = const ParserErrorCode.con3('FACTORY_WITHOUT_BODY', 46, "A non-redirecting 'factory' constructor must have a body");
+
+  static const ParserErrorCode FIELD_INITIALIZER_OUTSIDE_CONSTRUCTOR = const ParserErrorCode.con3('FIELD_INITIALIZER_OUTSIDE_CONSTRUCTOR', 47, "Field initializers can only be used in a constructor");
+
+  static const ParserErrorCode FINAL_AND_VAR = const ParserErrorCode.con3('FINAL_AND_VAR', 48, "Members cannot be declared to be both 'final' and 'var'");
+
+  static const ParserErrorCode FINAL_CLASS = const ParserErrorCode.con3('FINAL_CLASS', 49, "Classes cannot be declared to be 'final'");
+
+  static const ParserErrorCode FINAL_CONSTRUCTOR = const ParserErrorCode.con3('FINAL_CONSTRUCTOR', 50, "A constructor cannot be declared to be 'final'");
+
+  static const ParserErrorCode FINAL_METHOD = const ParserErrorCode.con3('FINAL_METHOD', 51, "Getters, setters and methods cannot be declared to be 'final'");
+
+  static const ParserErrorCode FINAL_TYPEDEF = const ParserErrorCode.con3('FINAL_TYPEDEF', 52, "Type aliases cannot be declared to be 'final'");
+
+  static const ParserErrorCode FUNCTION_TYPED_PARAMETER_VAR = const ParserErrorCode.con3('FUNCTION_TYPED_PARAMETER_VAR', 53, "Function typed parameters cannot specify 'const', 'final' or 'var' instead of return type");
+
+  static const ParserErrorCode GETTER_IN_FUNCTION = const ParserErrorCode.con3('GETTER_IN_FUNCTION', 54, "Getters cannot be defined within methods or functions");
+
+  static const ParserErrorCode GETTER_WITH_PARAMETERS = const ParserErrorCode.con3('GETTER_WITH_PARAMETERS', 55, "Getter should be declared without a parameter list");
+
+  static const ParserErrorCode ILLEGAL_ASSIGNMENT_TO_NON_ASSIGNABLE = const ParserErrorCode.con3('ILLEGAL_ASSIGNMENT_TO_NON_ASSIGNABLE', 56, "Illegal assignment to non-assignable expression");
+
+  static const ParserErrorCode IMPLEMENTS_BEFORE_EXTENDS = const ParserErrorCode.con3('IMPLEMENTS_BEFORE_EXTENDS', 57, "The extends clause must be before the implements clause");
+
+  static const ParserErrorCode IMPLEMENTS_BEFORE_WITH = const ParserErrorCode.con3('IMPLEMENTS_BEFORE_WITH', 58, "The with clause must be before the implements clause");
+
+  static const ParserErrorCode IMPORT_DIRECTIVE_AFTER_PART_DIRECTIVE = const ParserErrorCode.con3('IMPORT_DIRECTIVE_AFTER_PART_DIRECTIVE', 59, "Import directives must preceed part directives");
+
+  static const ParserErrorCode INITIALIZED_VARIABLE_IN_FOR_EACH = const ParserErrorCode.con3('INITIALIZED_VARIABLE_IN_FOR_EACH', 60, "The loop variable in a for-each loop cannot be initialized");
+
+  static const ParserErrorCode INVALID_CODE_POINT = const ParserErrorCode.con3('INVALID_CODE_POINT', 61, "The escape sequence '%s' is not a valid code point");
+
+  static const ParserErrorCode INVALID_COMMENT_REFERENCE = const ParserErrorCode.con3('INVALID_COMMENT_REFERENCE', 62, "Comment references should contain a possibly prefixed identifier and can start with 'new', but should not contain anything else");
+
+  static const ParserErrorCode INVALID_HEX_ESCAPE = const ParserErrorCode.con3('INVALID_HEX_ESCAPE', 63, "An escape sequence starting with '\\x' must be followed by 2 hexidecimal digits");
+
+  static const ParserErrorCode INVALID_OPERATOR = const ParserErrorCode.con3('INVALID_OPERATOR', 64, "The string '%s' is not a valid operator");
+
+  static const ParserErrorCode INVALID_OPERATOR_FOR_SUPER = const ParserErrorCode.con3('INVALID_OPERATOR_FOR_SUPER', 65, "The operator '%s' cannot be used with 'super'");
+
+  static const ParserErrorCode INVALID_UNICODE_ESCAPE = const ParserErrorCode.con3('INVALID_UNICODE_ESCAPE', 66, "An escape sequence starting with '\\u' must be followed by 4 hexidecimal digits or from 1 to 6 digits between '{' and '}'");
+
+  static const ParserErrorCode LIBRARY_DIRECTIVE_NOT_FIRST = const ParserErrorCode.con3('LIBRARY_DIRECTIVE_NOT_FIRST', 67, "The library directive must appear before all other directives");
+
+  static const ParserErrorCode LOCAL_FUNCTION_DECLARATION_MODIFIER = const ParserErrorCode.con3('LOCAL_FUNCTION_DECLARATION_MODIFIER', 68, "Local function declarations cannot specify any modifier");
+
+  static const ParserErrorCode MISSING_ASSIGNABLE_SELECTOR = const ParserErrorCode.con3('MISSING_ASSIGNABLE_SELECTOR', 69, "Missing selector such as \".<identifier>\" or \"[0]\"");
+
+  static const ParserErrorCode MISSING_CATCH_OR_FINALLY = const ParserErrorCode.con3('MISSING_CATCH_OR_FINALLY', 70, "A try statement must have either a catch or finally clause");
+
+  static const ParserErrorCode MISSING_CLASS_BODY = const ParserErrorCode.con3('MISSING_CLASS_BODY', 71, "A class definition must have a body, even if it is empty");
+
+  static const ParserErrorCode MISSING_CLOSING_PARENTHESIS = const ParserErrorCode.con3('MISSING_CLOSING_PARENTHESIS', 72, "The closing parenthesis is missing");
+
+  static const ParserErrorCode MISSING_CONST_FINAL_VAR_OR_TYPE = const ParserErrorCode.con3('MISSING_CONST_FINAL_VAR_OR_TYPE', 73, "Variables must be declared using the keywords 'const', 'final', 'var' or a type name");
+
+  static const ParserErrorCode MISSING_EXPRESSION_IN_THROW = const ParserErrorCode.con3('MISSING_EXPRESSION_IN_THROW', 74, "Throw expressions must compute the object to be thrown");
+
+  static const ParserErrorCode MISSING_FUNCTION_BODY = const ParserErrorCode.con3('MISSING_FUNCTION_BODY', 75, "A function body must be provided");
+
+  static const ParserErrorCode MISSING_FUNCTION_PARAMETERS = const ParserErrorCode.con3('MISSING_FUNCTION_PARAMETERS', 76, "Functions must have an explicit list of parameters");
+
+  static const ParserErrorCode MISSING_IDENTIFIER = const ParserErrorCode.con3('MISSING_IDENTIFIER', 77, "Expected an identifier");
+
+  static const ParserErrorCode MISSING_KEYWORD_OPERATOR = const ParserErrorCode.con3('MISSING_KEYWORD_OPERATOR', 78, "Operator declarations must be preceeded by the keyword 'operator'");
+
+  static const ParserErrorCode MISSING_NAME_IN_LIBRARY_DIRECTIVE = const ParserErrorCode.con3('MISSING_NAME_IN_LIBRARY_DIRECTIVE', 79, "Library directives must include a library name");
+
+  static const ParserErrorCode MISSING_NAME_IN_PART_OF_DIRECTIVE = const ParserErrorCode.con3('MISSING_NAME_IN_PART_OF_DIRECTIVE', 80, "Library directives must include a library name");
+
+  static const ParserErrorCode MISSING_STATEMENT = const ParserErrorCode.con3('MISSING_STATEMENT', 81, "Expected a statement");
+
+  static const ParserErrorCode MISSING_TERMINATOR_FOR_PARAMETER_GROUP = const ParserErrorCode.con3('MISSING_TERMINATOR_FOR_PARAMETER_GROUP', 82, "There is no '%s' to close the parameter group");
+
+  static const ParserErrorCode MISSING_TYPEDEF_PARAMETERS = const ParserErrorCode.con3('MISSING_TYPEDEF_PARAMETERS', 83, "Type aliases for functions must have an explicit list of parameters");
+
+  static const ParserErrorCode MISSING_VARIABLE_IN_FOR_EACH = const ParserErrorCode.con3('MISSING_VARIABLE_IN_FOR_EACH', 84, "A loop variable must be declared in a for-each loop before the 'in', but none were found");
+
+  static const ParserErrorCode MIXED_PARAMETER_GROUPS = const ParserErrorCode.con3('MIXED_PARAMETER_GROUPS', 85, "Cannot have both positional and named parameters in a single parameter list");
+
+  static const ParserErrorCode MULTIPLE_EXTENDS_CLAUSES = const ParserErrorCode.con3('MULTIPLE_EXTENDS_CLAUSES', 86, "Each class definition can have at most one extends clause");
+
+  static const ParserErrorCode MULTIPLE_IMPLEMENTS_CLAUSES = const ParserErrorCode.con3('MULTIPLE_IMPLEMENTS_CLAUSES', 87, "Each class definition can have at most one implements clause");
+
+  static const ParserErrorCode MULTIPLE_LIBRARY_DIRECTIVES = const ParserErrorCode.con3('MULTIPLE_LIBRARY_DIRECTIVES', 88, "Only one library directive may be declared in a file");
+
+  static const ParserErrorCode MULTIPLE_NAMED_PARAMETER_GROUPS = const ParserErrorCode.con3('MULTIPLE_NAMED_PARAMETER_GROUPS', 89, "Cannot have multiple groups of named parameters in a single parameter list");
+
+  static const ParserErrorCode MULTIPLE_PART_OF_DIRECTIVES = const ParserErrorCode.con3('MULTIPLE_PART_OF_DIRECTIVES', 90, "Only one part-of directive may be declared in a file");
+
+  static const ParserErrorCode MULTIPLE_POSITIONAL_PARAMETER_GROUPS = const ParserErrorCode.con3('MULTIPLE_POSITIONAL_PARAMETER_GROUPS', 91, "Cannot have multiple groups of positional parameters in a single parameter list");
+
+  static const ParserErrorCode MULTIPLE_VARIABLES_IN_FOR_EACH = const ParserErrorCode.con3('MULTIPLE_VARIABLES_IN_FOR_EACH', 92, "A single loop variable must be declared in a for-each loop before the 'in', but %s were found");
+
+  static const ParserErrorCode MULTIPLE_WITH_CLAUSES = const ParserErrorCode.con3('MULTIPLE_WITH_CLAUSES', 93, "Each class definition can have at most one with clause");
+
+  static const ParserErrorCode NAMED_FUNCTION_EXPRESSION = const ParserErrorCode.con3('NAMED_FUNCTION_EXPRESSION', 94, "Function expressions cannot be named");
+
+  static const ParserErrorCode NAMED_PARAMETER_OUTSIDE_GROUP = const ParserErrorCode.con3('NAMED_PARAMETER_OUTSIDE_GROUP', 95, "Named parameters must be enclosed in curly braces ('{' and '}')");
+
+  static const ParserErrorCode NATIVE_CLAUSE_IN_NON_SDK_CODE = const ParserErrorCode.con3('NATIVE_CLAUSE_IN_NON_SDK_CODE', 96, "Native clause can only be used in the SDK and code that is loaded through native extensions");
+
+  static const ParserErrorCode NATIVE_FUNCTION_BODY_IN_NON_SDK_CODE = const ParserErrorCode.con3('NATIVE_FUNCTION_BODY_IN_NON_SDK_CODE', 97, "Native functions can only be declared in the SDK and code that is loaded through native extensions");
+
+  static const ParserErrorCode NON_CONSTRUCTOR_FACTORY = const ParserErrorCode.con3('NON_CONSTRUCTOR_FACTORY', 98, "Only constructors can be declared to be a 'factory'");
+
+  static const ParserErrorCode NON_IDENTIFIER_LIBRARY_NAME = const ParserErrorCode.con3('NON_IDENTIFIER_LIBRARY_NAME', 99, "The name of a library must be an identifier");
+
+  static const ParserErrorCode NON_PART_OF_DIRECTIVE_IN_PART = const ParserErrorCode.con3('NON_PART_OF_DIRECTIVE_IN_PART', 100, "The part-of directive must be the only directive in a part");
+
+  static const ParserErrorCode NON_USER_DEFINABLE_OPERATOR = const ParserErrorCode.con3('NON_USER_DEFINABLE_OPERATOR', 101, "The operator '%s' is not user definable");
+
+  static const ParserErrorCode NORMAL_BEFORE_OPTIONAL_PARAMETERS = const ParserErrorCode.con3('NORMAL_BEFORE_OPTIONAL_PARAMETERS', 102, "Normal parameters must occur before optional parameters");
+
+  static const ParserErrorCode POSITIONAL_AFTER_NAMED_ARGUMENT = const ParserErrorCode.con3('POSITIONAL_AFTER_NAMED_ARGUMENT', 103, "Positional arguments must occur before named arguments");
+
+  static const ParserErrorCode POSITIONAL_PARAMETER_OUTSIDE_GROUP = const ParserErrorCode.con3('POSITIONAL_PARAMETER_OUTSIDE_GROUP', 104, "Positional parameters must be enclosed in square brackets ('[' and ']')");
+
+  static const ParserErrorCode REDIRECTION_IN_NON_FACTORY_CONSTRUCTOR = const ParserErrorCode.con3('REDIRECTION_IN_NON_FACTORY_CONSTRUCTOR', 105, "Only factory constructor can specify '=' redirection.");
+
+  static const ParserErrorCode SETTER_IN_FUNCTION = const ParserErrorCode.con3('SETTER_IN_FUNCTION', 106, "Setters cannot be defined within methods or functions");
+
+  static const ParserErrorCode STATIC_AFTER_CONST = const ParserErrorCode.con3('STATIC_AFTER_CONST', 107, "The modifier 'static' should be before the modifier 'const'");
+
+  static const ParserErrorCode STATIC_AFTER_FINAL = const ParserErrorCode.con3('STATIC_AFTER_FINAL', 108, "The modifier 'static' should be before the modifier 'final'");
+
+  static const ParserErrorCode STATIC_AFTER_VAR = const ParserErrorCode.con3('STATIC_AFTER_VAR', 109, "The modifier 'static' should be before the modifier 'var'");
+
+  static const ParserErrorCode STATIC_CONSTRUCTOR = const ParserErrorCode.con3('STATIC_CONSTRUCTOR', 110, "Constructors cannot be static");
+
+  static const ParserErrorCode STATIC_GETTER_WITHOUT_BODY = const ParserErrorCode.con3('STATIC_GETTER_WITHOUT_BODY', 111, "A 'static' getter must have a body");
+
+  static const ParserErrorCode STATIC_OPERATOR = const ParserErrorCode.con3('STATIC_OPERATOR', 112, "Operators cannot be static");
+
+  static const ParserErrorCode STATIC_SETTER_WITHOUT_BODY = const ParserErrorCode.con3('STATIC_SETTER_WITHOUT_BODY', 113, "A 'static' setter must have a body");
+
+  static const ParserErrorCode STATIC_TOP_LEVEL_DECLARATION = const ParserErrorCode.con3('STATIC_TOP_LEVEL_DECLARATION', 114, "Top-level declarations cannot be declared to be 'static'");
+
+  static const ParserErrorCode SWITCH_HAS_CASE_AFTER_DEFAULT_CASE = const ParserErrorCode.con3('SWITCH_HAS_CASE_AFTER_DEFAULT_CASE', 115, "The 'default' case should be the last case in a switch statement");
+
+  static const ParserErrorCode SWITCH_HAS_MULTIPLE_DEFAULT_CASES = const ParserErrorCode.con3('SWITCH_HAS_MULTIPLE_DEFAULT_CASES', 116, "The 'default' case can only be declared once");
+
+  static const ParserErrorCode TOP_LEVEL_OPERATOR = const ParserErrorCode.con3('TOP_LEVEL_OPERATOR', 117, "Operators must be declared within a class");
+
+  static const ParserErrorCode UNEXPECTED_TERMINATOR_FOR_PARAMETER_GROUP = const ParserErrorCode.con3('UNEXPECTED_TERMINATOR_FOR_PARAMETER_GROUP', 118, "There is no '%s' to open a parameter group");
+
+  static const ParserErrorCode UNEXPECTED_TOKEN = const ParserErrorCode.con3('UNEXPECTED_TOKEN', 119, "Unexpected token '%s'");
+
+  static const ParserErrorCode WITH_BEFORE_EXTENDS = const ParserErrorCode.con3('WITH_BEFORE_EXTENDS', 120, "The extends clause must be before the with clause");
+
+  static const ParserErrorCode WITH_WITHOUT_EXTENDS = const ParserErrorCode.con3('WITH_WITHOUT_EXTENDS', 121, "The with clause cannot be used without an extends clause");
+
+  static const ParserErrorCode WRONG_SEPARATOR_FOR_NAMED_PARAMETER = const ParserErrorCode.con3('WRONG_SEPARATOR_FOR_NAMED_PARAMETER', 122, "The default value of a named parameter should be preceeded by ':'");
+
+  static const ParserErrorCode WRONG_SEPARATOR_FOR_POSITIONAL_PARAMETER = const ParserErrorCode.con3('WRONG_SEPARATOR_FOR_POSITIONAL_PARAMETER', 123, "The default value of a positional parameter should be preceeded by '='");
+
+  static const ParserErrorCode WRONG_TERMINATOR_FOR_PARAMETER_GROUP = const ParserErrorCode.con3('WRONG_TERMINATOR_FOR_PARAMETER_GROUP', 124, "Expected '%s' to close parameter group");
+
+  static const ParserErrorCode VAR_AND_TYPE = const ParserErrorCode.con3('VAR_AND_TYPE', 125, "Variables cannot be declared using both 'var' and a type name; remove the 'var'");
+
+  static const ParserErrorCode VAR_AS_TYPE_NAME = const ParserErrorCode.con3('VAR_AS_TYPE_NAME', 126, "The keyword 'var' cannot be used as a type name");
+
+  static const ParserErrorCode VAR_CLASS = const ParserErrorCode.con3('VAR_CLASS', 127, "Classes cannot be declared to be 'var'");
+
+  static const ParserErrorCode VAR_RETURN_TYPE = const ParserErrorCode.con3('VAR_RETURN_TYPE', 128, "The return type cannot be 'var'");
+
+  static const ParserErrorCode VAR_TYPEDEF = const ParserErrorCode.con3('VAR_TYPEDEF', 129, "Type aliases cannot be declared to be 'var'");
+
+  static const ParserErrorCode VOID_PARAMETER = const ParserErrorCode.con3('VOID_PARAMETER', 130, "Parameters cannot have a type of 'void'");
+
+  static const ParserErrorCode VOID_VARIABLE = const ParserErrorCode.con3('VOID_VARIABLE', 131, "Variables cannot have a type of 'void'");
+
+  static const List<ParserErrorCode> values = const [
       ABSTRACT_CLASS_MEMBER,
       ABSTRACT_STATIC_METHOD,
       ABSTRACT_TOP_LEVEL_FUNCTION,
       ABSTRACT_TOP_LEVEL_VARIABLE,
       ABSTRACT_TYPEDEF,
       ASSERT_DOES_NOT_TAKE_ASSIGNMENT,
       ASSERT_DOES_NOT_TAKE_CASCADE,
       ASSERT_DOES_NOT_TAKE_THROW,
       ASSERT_DOES_NOT_TAKE_RETHROW,
       BREAK_OUTSIDE_OF_LOOP,
@@ skipping 116 matching lines @@
       VAR_AS_TYPE_NAME,
       VAR_CLASS,
       VAR_RETURN_TYPE,
       VAR_TYPEDEF,
       VOID_PARAMETER,
       VOID_VARIABLE];
 
   /**
    * The severity of this error.
    */
-  ErrorSeverity _severity;
+  final ErrorSeverity errorSeverity;
 
   /**
    * The template used to create the message to be displayed for this error.
    */
-  String _message;
+  final String message;
 
   /**
    * The template used to create the correction to be displayed for this error, or `null` if
    * there is no correction information for this error.
    */
-  String correction8;
+  final String correction;
 
   /**
    * Initialize a newly created error code to have the given severity and message.
    *
-   * @param severity the severity of the error
+   * @param errorSeverity the severity of the error
    * @param message the message template used to create the message to be displayed for the error
    */
-  ParserErrorCode.con1(String name, int ordinal, ErrorSeverity severity, String message) : super(name, ordinal) {
-    this._severity = severity;
-    this._message = message;
-  }
+  const ParserErrorCode.con1(String name, int ordinal, ErrorSeverity errorSeverity, String message) : this.con2(name, ordinal, errorSeverity, message, null);
 
   /**
    * Initialize a newly created error code to have the given severity, message and correction.
    *
-   * @param severity the severity of the error
+   * @param errorSeverity the severity of the error
    * @param message the template used to create the message to be displayed for the error
    * @param correction the template used to create the correction to be displayed for the error
    */
-  ParserErrorCode.con2(String name, int ordinal, ErrorSeverity severity, String message, String correction) : super(name, ordinal) {
-    this._severity = severity;
-    this._message = message;
-    this.correction8 = correction;
-  }
+  const ParserErrorCode.con2(String name, int ordinal, this.errorSeverity, this.message, this.correction) : super(name, ordinal);
 
   /**
    * Initialize a newly created error code to have the given message and a severity of ERROR.
    *
    * @param message the message template used to create the message to be displayed for the error
    */
-  ParserErrorCode.con3(String name, int ordinal, String message) : this.con1(name, ordinal, ErrorSeverity.ERROR, message);
-
-  @override
-  String get correction => correction8;
-
-  @override
-  ErrorSeverity get errorSeverity => _severity;
-
-  @override
-  String get message => _message;
+  const ParserErrorCode.con3(String name, int ordinal, String message) : this.con2(name, ordinal, ErrorSeverity.ERROR, message, null);
 
   @override
   ErrorType get type => ErrorType.SYNTACTIC_ERROR;
 }
 
 /**
  * Instances of the class `ResolutionCopier` copies resolution information from one AST
  * structure to another as long as the structures of the corresponding children of a pair of nodes
  * are the same.
  */
@@ skipping 1177 matching lines @@
         return trampoline(target, arguments[0], arguments[1]);
       case 3:
         return trampoline(target, arguments[0], arguments[1], arguments[2]);
       case 4:
         return trampoline(target, arguments[0], arguments[1], arguments[2], arguments[3]);
       default:
         throw new IllegalArgumentException("Not implemented for > 4 arguments");
     }
   }
 }