Use message.yaml in parser.

pkg/front_end/lib/src/fasta/problems.dart

Index: pkg/front_end/lib/src/fasta/problems.dart
diff --git a/pkg/front_end/lib/src/fasta/problems.dart b/pkg/front_end/lib/src/fasta/problems.dart
deleted file mode 100644
index 244414835e49d76e8b00a584c63f2afd32503ca5..0000000000000000000000000000000000000000
--- a/pkg/front_end/lib/src/fasta/problems.dart
+++ /dev/null
@@ -1,592 +0,0 @@
-// Copyright (c) 2017, 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.
-
-// NOTE: THIS FILE IS GENERATED. DO NOT EDIT.
-//
-// Instead modify 'pkg/front_end/messages.yaml' and run
-// 'pkg/front_end/tool/_fasta/generate_messages.dart' to update.
-
-library fasta.problems;
-
-import 'package:front_end/src/fasta/scanner/token.dart' show Token;
-
-import 'package:front_end/src/fasta/parser/error_kind.dart' show ErrorKind;
-
-problemExpectedClassBodyToSkip(Token token) {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-  String lexeme = token.lexeme;
-  return {
-    'message': "Expected a class body, but got '$lexeme'.",
-    'code': ErrorKind.ExpectedClassBodyToSkip,
-    'arguments': {
-      'token': token,
-    },
-  };
-}
-
-problemStackOverflow() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message': "Stack overflow.",
-    'code': ErrorKind.StackOverflow,
-    'arguments': {},
-  };
-}
-
-problemUnexpectedToken(Token token) {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-  String lexeme = token.lexeme;
-  return {
-    'message': "Unexpected token '$lexeme'.",
-    'code': ErrorKind.UnexpectedToken,
-    'arguments': {
-      'token': token,
-    },
-  };
-}
-
-problemAwaitAsIdentifier() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message':
-        "'await' can't be used as an identifier in 'async', 'async*', or 'sync*' methods.",
-    'code': ErrorKind.AwaitAsIdentifier,
-    'arguments': {},
-  };
-}
-
-problemFactoryNotSync() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message': "Factories can't use 'async', 'async*', or 'sync*'.",
-    'code': ErrorKind.FactoryNotSync,
-    'arguments': {},
-  };
-}
-
-problemYieldNotGenerator() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message': "'yield' can only be used in 'sync*' or 'async*' methods.",
-    'code': ErrorKind.YieldNotGenerator,
-    'arguments': {},
-  };
-}
-
-problemSetterNotSync() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message': "Setters can't use 'async', 'async*', or 'sync*'.",
-    'code': ErrorKind.SetterNotSync,
-    'arguments': {},
-  };
-}
-
-problemNonAsciiWhitespace(int codePoint) {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-  String unicode = "(U+${codePoint.toRadixString(16).padLeft(4, '0')})";
-  return {
-    'message':
-        "The non-ASCII space character $unicode can only be used in strings and comments.",
-    'code': ErrorKind.NonAsciiWhitespace,
-    'arguments': {
-      'codePoint': codePoint,
-    },
-  };
-}
-
-problemExpectedIdentifier(Token token) {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-  String lexeme = token.lexeme;
-  return {
-    'message': "'$lexeme' is a reserved word and can't be used here.",
-    'tip': "Try using a different name.",
-    'code': ErrorKind.ExpectedIdentifier,
-    'arguments': {
-      'token': token,
-    },
-  };
-}
-
-problemExpectedBlockToSkip() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message': "Expected a function body or '=>'.",
-    'tip': "Try adding {}.",
-    'code': ErrorKind.ExpectedBlockToSkip,
-    'arguments': {},
-  };
-}
-
-problemRequiredParameterWithDefault() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message': "Non-optional parameters can't have a default value.",
-    'tip': "Try removing the default value or making the parameter optional.",
-    'code': ErrorKind.RequiredParameterWithDefault,
-    'arguments': {},
-  };
-}
-
-problemUnspecified(String string) {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message': "$string",
-    'code': ErrorKind.Unspecified,
-    'arguments': {
-      'string': string,
-    },
-  };
-}
-
-problemMissingExponent() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message':
-        "Numbers in exponential notation should always contain an exponent (an integer number with an optional sign).",
-    'tip':
-        "Make sure there is an exponent, and remove any whitespace before it.",
-    'code': ErrorKind.MissingExponent,
-    'arguments': {},
-  };
-}
-
-problemPositionalParameterWithEquals() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message':
-        "Positional optional parameters can't use ':' to specify a default value.",
-    'tip': "Try replacing ':' with '='.",
-    'code': ErrorKind.PositionalParameterWithEquals,
-    'arguments': {},
-  };
-}
-
-problemUnexpectedDollarInString() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message':
-        "A '\$' has special meaning inside a string, and must be followed by an identifier or an expression in curly braces ({}).",
-    'tip': "Try adding a backslash (\) to escape the '\$'.",
-    'code': ErrorKind.UnexpectedDollarInString,
-    'arguments': {},
-  };
-}
-
-problemExtraneousModifier(Token token) {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-  String lexeme = token.lexeme;
-  return {
-    'message': "Can't have modifier '$lexeme' here.",
-    'tip': "Try removing '$lexeme'.",
-    'code': ErrorKind.ExtraneousModifier,
-    'arguments': {
-      'token': token,
-    },
-  };
-}
-
-problemEmptyOptionalParameterList() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message': "Optional parameter lists cannot be empty.",
-    'tip': "Try adding an optional parameter to the list.",
-    'code': ErrorKind.EmptyOptionalParameterList,
-    'arguments': {},
-  };
-}
-
-problemUnterminatedString(String string) {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message': "String must end with $string.",
-    'code': ErrorKind.UnterminatedString,
-    'arguments': {
-      'string': string,
-    },
-  };
-}
-
-problemAwaitNotAsync() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message': "'await' can only be used in 'async' or 'async*' methods.",
-    'code': ErrorKind.AwaitNotAsync,
-    'arguments': {},
-  };
-}
-
-problemExpectedFunctionBody(Token token) {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-  String lexeme = token.lexeme;
-  return {
-    'message': "Expected a function body, but got '$lexeme'.",
-    'code': ErrorKind.ExpectedFunctionBody,
-    'arguments': {
-      'token': token,
-    },
-  };
-}
-
-problemExpectedHexDigit() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message': "A hex digit (0-9 or A-F) must follow '0x'.",
-    'code': ErrorKind.ExpectedHexDigit,
-    'arguments': {},
-  };
-}
-
-problemEmptyNamedParameterList() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message': "Named parameter lists cannot be empty.",
-    'tip': "Try adding a named parameter to the list.",
-    'code': ErrorKind.EmptyNamedParameterList,
-    'arguments': {},
-  };
-}
-
-problemUnsupportedPrefixPlus() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message': "'+' is not a prefix operator. ",
-    'tip': "Try removing '+'.",
-    'code': ErrorKind.UnsupportedPrefixPlus,
-    'arguments': {},
-  };
-}
-
-problemExpectedString(Token token) {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-  String lexeme = token.lexeme;
-  return {
-    'message': "Expected a String, but got '$lexeme'.",
-    'code': ErrorKind.ExpectedString,
-    'arguments': {
-      'token': token,
-    },
-  };
-}
-
-problemAbstractNotSync() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message': "Abstract methods can't use 'async', 'async*', or 'sync*'.",
-    'code': ErrorKind.AbstractNotSync,
-    'arguments': {},
-  };
-}
-
-problemExpectedDeclaration(Token token) {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-  String lexeme = token.lexeme;
-  return {
-    'message': "Expected a declaration, but got '$lexeme'.",
-    'code': ErrorKind.ExpectedDeclaration,
-    'arguments': {
-      'token': token,
-    },
-  };
-}
-
-problemAsciiControlCharacter(int codePoint) {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-  String unicode = "(U+${codePoint.toRadixString(16).padLeft(4, '0')})";
-  return {
-    'message':
-        "The control character $unicode can only be used in strings and comments.",
-    'code': ErrorKind.AsciiControlCharacter,
-    'arguments': {
-      'codePoint': codePoint,
-    },
-  };
-}
-
-problemUnmatchedToken(String string, Token token) {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-  String lexeme = token.lexeme;
-  return {
-    'message': "Can't find '$string' to match '$lexeme'.",
-    'code': ErrorKind.UnmatchedToken,
-    'arguments': {
-      'string': string,
-      'token': token,
-    },
-  };
-}
-
-problemInvalidSyncModifier() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message': "Invalid modifier 'sync'.",
-    'tip': "Try replacing 'sync' with 'sync*'.",
-    'code': ErrorKind.InvalidSyncModifier,
-    'arguments': {},
-  };
-}
-
-problemExpectedOpenParens() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message': "Expected '('.",
-    'code': ErrorKind.ExpectedOpenParens,
-    'arguments': {},
-  };
-}
-
-problemUnterminatedComment() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message': "Comment starting with '/*' must end with '*/'.",
-    'code': ErrorKind.UnterminatedComment,
-    'arguments': {},
-  };
-}
-
-problemExpectedClassBody(Token token) {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-  String lexeme = token.lexeme;
-  return {
-    'message': "Expected a class body, but got '$lexeme'.",
-    'code': ErrorKind.ExpectedClassBody,
-    'arguments': {
-      'token': token,
-    },
-  };
-}
-
-problemExpectedExpression(Token token) {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-  String lexeme = token.lexeme;
-  return {
-    'message': "Expected an expression, but got '$lexeme'.",
-    'code': ErrorKind.ExpectedExpression,
-    'arguments': {
-      'token': token,
-    },
-  };
-}
-
-problemInvalidAwaitFor() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message':
-        "'await' is only supported in methods with an 'async' or 'async*' body modifier.",
-    'tip':
-        "Try adding 'async' or 'async*' to the method body or removing the 'await' keyword.",
-    'code': ErrorKind.InvalidAwaitFor,
-    'arguments': {},
-  };
-}
-
-problemExpectedType(Token token) {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-  String lexeme = token.lexeme;
-  return {
-    'message': "Expected a type, but got '$lexeme'.",
-    'code': ErrorKind.ExpectedType,
-    'arguments': {
-      'token': token,
-    },
-  };
-}
-
-problemUnterminatedToken() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message': "Incomplete token.",
-    'code': ErrorKind.UnterminatedToken,
-    'arguments': {},
-  };
-}
-
-problemExpectedButGot(Token token) {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-  String lexeme = token.lexeme;
-  return {
-    'message': "Expected '$lexeme' before this.",
-    'tip': "DONT_KNOW_HOW_TO_FIX,",
-    'code': ErrorKind.ExpectedButGot,
-    'arguments': {
-      'token': token,
-    },
-  };
-}
-
-problemAwaitForNotAsync() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message':
-        "Asynchronous for-loop can only be used in 'async' or 'async*' methods.",
-    'code': ErrorKind.AwaitForNotAsync,
-    'arguments': {},
-  };
-}
-
-problemEncoding() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message': "Unable to decode bytes as UTF-8.",
-    'code': ErrorKind.Encoding,
-    'arguments': {},
-  };
-}
-
-problemAsyncAsIdentifier() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message':
-        "'async' can't be used as an identifier in 'async', 'async*', or 'sync*' methods.",
-    'code': ErrorKind.AsyncAsIdentifier,
-    'arguments': {},
-  };
-}
-
-problemYieldAsIdentifier() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message':
-        "'yield' can't be used as an identifier in 'async', 'async*', or 'sync*' methods.",
-    'code': ErrorKind.YieldAsIdentifier,
-    'arguments': {},
-  };
-}
-
-problemOnlyTry() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message':
-        "Try block should be followed by 'on', 'catch', or 'finally' block.",
-    'tip': "Did you forget to add a 'finally' block?",
-    'code': ErrorKind.OnlyTry,
-    'arguments': {},
-  };
-}
-
-problemInvalidInlineFunctionType() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message': "Invalid inline function type.",
-    'tip':
-        "Try changing the inline function type (as in 'int f()') to a prefixed function type using the `Function` keyword (as in 'int Function() f').",
-    'code': ErrorKind.InvalidInlineFunctionType,
-    'arguments': {},
-  };
-}
-
-problemExpectedBody() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message': "Expected a function body or '=>'.",
-    'tip': "Try adding {}.",
-    'code': ErrorKind.ExpectedBody,
-    'arguments': {},
-  };
-}
-
-problemInvalidVoid() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message': "Type 'void' can't be used here because it isn't a return type.",
-    'tip':
-        "Try removing 'void' keyword or replace it with 'var', 'final', or a type.",
-    'code': ErrorKind.InvalidVoid,
-    'arguments': {},
-  };
-}
-
-problemBuiltInIdentifierAsType(Token token) {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-  String lexeme = token.lexeme;
-  return {
-    'message': "Can't use '$lexeme' as a type.",
-    'code': ErrorKind.BuiltInIdentifierAsType,
-    'arguments': {
-      'token': token,
-    },
-  };
-}
-
-problemGeneratorReturnsValue() {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-
-  return {
-    'message': "'sync*' and 'async*' can't return a value.",
-    'code': ErrorKind.GeneratorReturnsValue,
-    'arguments': {},
-  };
-}
-
-problemBuiltInIdentifierInDeclaration(Token token) {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-  String lexeme = token.lexeme;
-  return {
-    'message': "Can't use '$lexeme' as a name here.",
-    'code': ErrorKind.BuiltInIdentifierInDeclaration,
-    'arguments': {
-      'token': token,
-    },
-  };
-}
-
-problemNonAsciiIdentifier(String character, int codePoint) {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-  String unicode = "(U+${codePoint.toRadixString(16).padLeft(4, '0')})";
-  return {
-    'message':
-        "The non-ASCII character '$character' ($unicode) can't be used in identifiers, only in strings and comments.",
-    'tip':
-        "Try using an US-ASCII letter, a digit, '_' (an underscore), or '\$' (a dollar sign).",
-    'code': ErrorKind.NonAsciiIdentifier,
-    'arguments': {
-      'character': character,
-      'codePoint': codePoint,
-    },
-  };
-}
-
-problemExtraneousModifierReplace(Token token) {
-  // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-  String lexeme = token.lexeme;
-  return {
-    'message': "Can't have modifier '$lexeme' here.",
-    'tip': "Try replacing modifier '$lexeme' with 'var', 'final', or a type.",
-    'code': ErrorKind.ExtraneousModifierReplace,
-    'arguments': {
-      'token': token,
-    },
-  };
-}