[cfe] Move fasta/codes/ to src/ and rename to cfe_codes*

Part of removing uses of 'fasta'.

TEST=existing

Change-Id: Ibf144a126d8ff4ba15b6cfd2c4fb898e9a499362
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/371685
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Jens Johansen <jensj@google.com>
Commit-Queue: Johnni Winther <johnniwinther@google.com>
Reviewed-by: Srujan Gaddam <srujzs@google.com>

pkg/_js_interop_checks/lib/js_interop_checks.dart

@@ -45,7 +45,7 @@ import 'package:_js_interop_checks/src/transformations/export_checker.dart';
 import 'package:_js_interop_checks/src/transformations/js_util_optimizer.dart';
 // Used for importing CFE utility functions for constructor tear-offs.
 import 'package:front_end/src/api_prototype/lowering_predicates.dart';
-import 'package:front_end/src/fasta/codes/fasta_codes.dart'
+import 'package:front_end/src/codes/cfe_codes.dart'
     show
         templateJsInteropExtensionTypeNotInterop,
         templateJsInteropFunctionToJSRequiresStaticType,

pkg/_js_interop_checks/lib/src/transformations/shared_interop_transformer.dart

@@ -11,7 +11,7 @@ import 'package:_fe_analyzer_shared/src/messages/codes.dart'
 import 'package:_js_interop_checks/js_interop_checks.dart'
     show JsInteropDiagnosticReporter;
 import 'package:_js_interop_checks/src/js_interop.dart' as js_interop;
-import 'package:front_end/src/fasta/codes/fasta_codes.dart'
+import 'package:front_end/src/codes/cfe_codes.dart'
     show
         templateJsInteropExportInvalidInteropTypeArgument,
         templateJsInteropExportInvalidTypeArgument,

pkg/_js_interop_checks/lib/src/transformations/static_interop_mock_validator.dart

@@ -11,7 +11,7 @@ import 'package:_fe_analyzer_shared/src/messages/codes.dart'
 import 'package:_js_interop_checks/js_interop_checks.dart'
     show JsInteropDiagnosticReporter;
 import 'package:_js_interop_checks/src/js_interop.dart' as js_interop;
-import 'package:front_end/src/fasta/codes/fasta_codes.dart'
+import 'package:front_end/src/codes/cfe_codes.dart'
     show
         templateJsInteropStaticInteropMockNotStaticInteropType,
         templateJsInteropStaticInteropMockTypeParametersNotAllowed;

pkg/front_end/lib/src/api_unstable/vm.dart

@@ -41,7 +41,7 @@ export '../base/nnbd_mode.dart' show NnbdMode;
 export '../base/processed_options.dart' show ProcessedOptions;
 export '../compute_platform_binaries_location.dart'
     show computePlatformBinariesLocation;
-export '../fasta/codes/fasta_codes.dart'
+export '../codes/cfe_codes.dart'
     show
         LocatedMessage,
         messageFfiAbiSpecificIntegerInvalid,

pkg/front_end/lib/src/base/processed_options.dart

@@ -40,7 +40,7 @@ import '../api_prototype/file_system.dart'
     show FileSystem, FileSystemEntity, FileSystemException;
 import '../api_prototype/terminal_color_support.dart'
     show printDiagnosticMessage;
-import '../fasta/codes/fasta_codes.dart'
+import '../codes/cfe_codes.dart'
     show
         FormattedMessage,
         LocatedMessage,

pkg/front_end/lib/src/codes/cfe_codes.dart

@@ -2,8 +2,6 @@
 // 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.codes;
-
 import 'package:_fe_analyzer_shared/src/messages/codes.dart'
     hide demangleMixinApplicationName;
 import 'package:_fe_analyzer_shared/src/messages/severity.dart';
@@ -16,4 +14,4 @@ export 'package:_fe_analyzer_shared/src/messages/codes.dart'
     hide demangleMixinApplicationName;
 export 'package:_fe_analyzer_shared/src/messages/severity.dart';
 
-part 'fasta_codes_cfe_generated.dart';
+part 'cfe_codes_generated.dart';

pkg/front_end/lib/src/codes/cfe_codes_generated.dart

@@ -9,7 +9,7 @@
 
 // ignore_for_file: lines_longer_than_80_chars
 
-part of fasta.codes;
+part of 'cfe_codes.dart';
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
 const Template<Message Function(String name, DartType _type)>

pkg/front_end/lib/src/codes/type_labeler.dart

@@ -7,7 +7,7 @@ import 'dart:convert' show json;
 import 'package:kernel/ast.dart';
 
 import 'denylisted_classes.dart' show denylistedCoreClasses;
-import 'fasta_codes.dart'
+import 'cfe_codes.dart'
     show Message, templateTypeOrigin, templateTypeOriginWithFileUri;
 
 /// A pretty-printer for Kernel types and constants with the ability to label

pkg/front_end/lib/src/fasta/builder/declaration_builders.dart

@@ -7,7 +7,7 @@ import 'package:kernel/class_hierarchy.dart';
 import 'package:kernel/src/bounds_checks.dart';
 import 'package:kernel/src/unaliasing.dart';
 
-import '../codes/fasta_codes.dart';
+import '../../codes/cfe_codes.dart';
 import '../kernel/body_builder_context.dart';
 import '../loader.dart';
 import '../messages.dart';

pkg/front_end/lib/src/fasta/builder/function_type_builder.dart

@@ -9,7 +9,7 @@ import 'package:kernel/ast.dart'
 import 'package:kernel/class_hierarchy.dart';
 import 'package:kernel/src/unaliasing.dart';
 
-import '../codes/fasta_codes.dart' show messageSupertypeIsFunction, noLength;
+import '../../codes/cfe_codes.dart' show messageSupertypeIsFunction, noLength;
 import '../kernel/implicit_field_type.dart';
 import '../source/source_library_builder.dart';
 import 'declaration_builders.dart';

pkg/front_end/lib/src/fasta/builder/named_type_builder.dart

@@ -9,7 +9,7 @@ import 'package:kernel/ast.dart';
 import 'package:kernel/class_hierarchy.dart';
 import 'package:kernel/src/unaliasing.dart' as unaliasing;
 
-import '../codes/fasta_codes.dart'
+import '../../codes/cfe_codes.dart'
     show
         LocatedMessage,
         Message,

pkg/front_end/lib/src/fasta/builder/prefix_builder.dart

@@ -6,7 +6,7 @@ library fasta.prefix_builder;
 
 import 'package:kernel/ast.dart' show LibraryDependency;
 
-import '../codes/fasta_codes.dart';
+import '../../codes/cfe_codes.dart';
 import '../kernel/load_library_builder.dart' show LoadLibraryBuilder;
 import '../scope.dart';
 import '../source/source_library_builder.dart';

pkg/front_end/lib/src/fasta/builder/record_type_builder.dart

@@ -7,7 +7,7 @@ import 'package:kernel/ast.dart'
 import 'package:kernel/class_hierarchy.dart';
 import 'package:kernel/src/unaliasing.dart';
 
-import '../codes/fasta_codes.dart'
+import '../../codes/cfe_codes.dart'
     show
         messageNamedFieldClashesWithPositionalFieldInRecord,
         messageObjectMemberNameUsedForRecordField,

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

@@ -22,7 +22,7 @@ import 'package:_fe_analyzer_shared/src/util/relativize.dart'
 import 'package:kernel/ast.dart' show Location, Source, TreeNode;
 
 import '../compute_platform_binaries_location.dart' show translateSdk;
-import 'codes/fasta_codes.dart' show LocatedMessage, PlainAndColorizedString;
+import '../codes/cfe_codes.dart' show LocatedMessage, PlainAndColorizedString;
 import 'compiler_context.dart' show CompilerContext;
 import 'crash.dart' show Crash, safeToString;
 import 'messages.dart' show getLocation, getSourceLine;

pkg/front_end/lib/src/fasta/dill/dill_library_builder.dart

@@ -17,7 +17,7 @@ import '../builder/library_builder.dart';
 import '../builder/member_builder.dart';
 import '../builder/name_iterator.dart';
 import '../builder/never_type_declaration_builder.dart';
-import '../codes/fasta_codes.dart'
+import '../../codes/cfe_codes.dart'
     show
         LocatedMessage,
         Message,

pkg/front_end/lib/src/fasta/dill/dill_loader.dart

@@ -13,7 +13,7 @@ import 'package:kernel/ast.dart'
 import '../builder/declaration_builders.dart';
 import '../builder/library_builder.dart';
 import '../builder/type_builder.dart';
-import '../codes/fasta_codes.dart'
+import '../../codes/cfe_codes.dart'
     show SummaryTemplate, Template, templateDillOutlineSummary;
 import '../crash.dart' show firstSourceUri;
 import '../kernel/type_builder_computer.dart' show TypeBuilderComputer;

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

@@ -7,7 +7,7 @@ library fasta.ignored_parser_errors;
 import 'package:_fe_analyzer_shared/src/parser/parser.dart' show optional;
 import 'package:_fe_analyzer_shared/src/scanner/scanner.dart' show Token;
 
-import 'codes/fasta_codes.dart' show Code, codeNonPartOfDirectiveInPart;
+import '../codes/cfe_codes.dart' show Code, codeNonPartOfDirectiveInPart;
 
 bool isIgnoredParserError(Code<dynamic> code, Token token) {
   if (code == codeNonPartOfDirectiveInPart) {

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

@@ -80,7 +80,7 @@ import 'builder/library_builder.dart' show CompilationUnit, LibraryBuilder;
 import 'builder/member_builder.dart' show MemberBuilder;
 import 'builder/name_iterator.dart' show NameIterator;
 import 'builder_graph.dart' show BuilderGraph;
-import 'codes/fasta_codes.dart';
+import '../codes/cfe_codes.dart';
 import 'combinator.dart' show CombinatorBuilder;
 import 'compiler_context.dart' show CompilerContext;
 import 'dill/dill_class_builder.dart' show DillClassBuilder;

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

@@ -59,7 +59,7 @@ import '../builder/record_type_builder.dart';
 import '../builder/type_builder.dart';
 import '../builder/variable_builder.dart';
 import '../builder/void_type_declaration_builder.dart';
-import '../codes/fasta_codes.dart'
+import '../../codes/cfe_codes.dart'
     show
         LocatedMessage,
         Message,
@@ -71,7 +71,7 @@ import '../codes/fasta_codes.dart'
         templateExperimentNotEnabledOffByDefault,
         templateLocalVariableUsedBeforeDeclared,
         templateLocalVariableUsedBeforeDeclaredContext;
-import '../codes/fasta_codes.dart' as fasta;
+import '../../codes/cfe_codes.dart' as fasta;
 import '../constant_context.dart' show ConstantContext;
 import '../dill/dill_library_builder.dart' show DillLibraryBuilder;
 import '../identifiers.dart'

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

@@ -38,7 +38,7 @@ import 'package:kernel/type_environment.dart';
 
 import '../../api_prototype/lowering_predicates.dart';
 import '../../base/nnbd_mode.dart';
-import '../codes/fasta_codes.dart';
+import '../../codes/cfe_codes.dart';
 import '../type_inference/delayed_expressions.dart';
 import '../type_inference/external_ast_helper.dart';
 import '../type_inference/matching_cache.dart';

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

@@ -5,7 +5,7 @@
 import 'package:kernel/ast.dart';
 import 'package:kernel/target/targets.dart';
 
-import '../codes/fasta_codes.dart';
+import '../../codes/cfe_codes.dart';
 import 'constant_evaluator.dart';
 
 abstract class ConstantIntFolder {

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

@@ -41,7 +41,7 @@ import '../builder/nullability_builder.dart';
 import '../builder/omitted_type_builder.dart';
 import '../builder/prefix_builder.dart';
 import '../builder/type_builder.dart';
-import '../codes/fasta_codes.dart';
+import '../../codes/cfe_codes.dart';
 import '../constant_context.dart' show ConstantContext;
 import '../problems.dart';
 import '../scope.dart';

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

@@ -16,7 +16,7 @@ import '../builder/formal_parameter_builder.dart';
 import '../builder/named_type_builder.dart';
 import '../builder/prefix_builder.dart';
 import '../builder/type_builder.dart';
-import '../codes/fasta_codes.dart' show LocatedMessage;
+import '../../codes/cfe_codes.dart' show LocatedMessage;
 import '../constant_context.dart' show ConstantContext;
 import '../messages.dart' show Message;
 import '../scope.dart';

pkg/front_end/lib/src/fasta/kernel/hierarchy/hierarchy_node.dart

@@ -15,7 +15,7 @@ import '../../builder/declaration_builders.dart';
 import '../../builder/library_builder.dart';
 import '../../builder/named_type_builder.dart';
 import '../../builder/type_builder.dart';
-import '../../codes/fasta_codes.dart';
+import '../../../codes/cfe_codes.dart';
 import '../../source/source_library_builder.dart';
 import '../../type_inference/type_schema.dart' show UnknownType;
 import 'hierarchy_builder.dart';

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

@@ -13,7 +13,7 @@ import 'package:kernel/src/printer.dart';
 
 import '../builder/builder.dart';
 import '../builder/inferable_type_builder.dart';
-import '../codes/fasta_codes.dart';
+import '../../codes/cfe_codes.dart';
 import '../constant_context.dart';
 import '../problems.dart' show unsupported;
 import '../source/source_field_builder.dart';

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

@@ -5,7 +5,7 @@
 library fasta.kernel_constants;
 
 import '../builder/library_builder.dart';
-import '../codes/fasta_codes.dart' show LocatedMessage;
+import '../../codes/cfe_codes.dart' show LocatedMessage;
 import '../source/source_loader.dart' show SourceLoader;
 import 'constant_evaluator.dart' show ErrorReporter;
 

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

@@ -18,7 +18,7 @@ import '../../builder/declaration_builders.dart';
 import '../../builder/member_builder.dart';
 import '../../builder/prefix_builder.dart';
 import '../../builder/type_builder.dart';
-import '../../codes/fasta_codes.dart';
+import '../../../codes/cfe_codes.dart';
 import '../../source/source_class_builder.dart';
 import '../../source/source_constructor_builder.dart';
 import '../../source/source_extension_builder.dart';

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

@@ -7,7 +7,7 @@
 import 'package:kernel/ast.dart';
 import 'package:kernel/core_types.dart' show CoreTypes;
 
-import '../codes/fasta_codes.dart'
+import '../../codes/cfe_codes.dart'
     show
         messageWeakReferenceNotStatic,
         messageWeakReferenceNotOneArgument,

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

@@ -6,7 +6,7 @@ import 'package:kernel/ast.dart';
 import 'package:kernel/target/targets.dart';
 import 'package:kernel/type_environment.dart';
 
-import '../codes/fasta_codes.dart';
+import '../../codes/cfe_codes.dart';
 import 'constant_evaluator.dart';
 
 typedef ReportErrorFunction = void Function(

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

@@ -16,7 +16,7 @@ import '../builder/named_type_builder.dart';
 import '../builder/nullability_builder.dart';
 import '../builder/record_type_builder.dart';
 import '../builder/type_builder.dart';
-import '../codes/fasta_codes.dart'
+import '../../codes/cfe_codes.dart'
     show
         LocatedMessage,
         Message,

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

@@ -10,7 +10,7 @@ import 'package:kernel/target/targets.dart';
 import 'package:kernel/type_environment.dart' show TypeEnvironment;
 import 'package:kernel/verifier.dart';
 
-import '../codes/fasta_codes.dart'
+import '../../codes/cfe_codes.dart'
     show
         LocatedMessage,
         Message,

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

@@ -8,7 +8,7 @@ import 'package:kernel/ast.dart' show Location, Source;
 
 import 'compiler_context.dart' show CompilerContext;
 
-export 'codes/fasta_codes.dart';
+export '../codes/cfe_codes.dart';
 
 Location? getLocation(Uri uri, int charOffset) {
   return CompilerContext.current.uriToSource[uri]?.getLocation(uri, charOffset);

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

@@ -14,7 +14,7 @@ import 'builder/library_builder.dart';
 import 'builder/member_builder.dart';
 import 'builder/metadata_builder.dart';
 import 'builder/name_iterator.dart';
-import 'codes/fasta_codes.dart';
+import '../codes/cfe_codes.dart';
 import 'kernel/body_builder.dart' show JumpTarget;
 import 'kernel/body_builder_context.dart';
 import 'kernel/hierarchy/class_member.dart' show ClassMember;

pkg/front_end/lib/src/fasta/source/class_declaration.dart

@@ -11,7 +11,7 @@ import '../builder/function_builder.dart';
 import '../builder/member_builder.dart';
 import '../builder/name_iterator.dart';
 import '../builder/type_builder.dart';
-import '../codes/fasta_codes.dart';
+import '../../codes/cfe_codes.dart';
 import '../dill/dill_member_builder.dart';
 import '../problems.dart';
 import '../scope.dart';

pkg/front_end/lib/src/fasta/source/diet_listener.dart

@@ -23,7 +23,7 @@ import 'package:kernel/core_types.dart' show CoreTypes;
 
 import '../builder/builder.dart';
 import '../builder/declaration_builders.dart';
-import '../codes/fasta_codes.dart'
+import '../../codes/cfe_codes.dart'
     show Code, LocatedMessage, Message, messageExpectedBlockToSkip;
 import '../constant_context.dart' show ConstantContext;
 import '../crash.dart' show Crash;

pkg/front_end/lib/src/fasta/source/directive_listener.dart

@@ -11,7 +11,7 @@ import 'package:_fe_analyzer_shared/src/parser/listener.dart';
 import 'package:_fe_analyzer_shared/src/parser/quote.dart';
 import 'package:_fe_analyzer_shared/src/scanner/token.dart' show Token;
 
-import '../codes/fasta_codes.dart' show messageExpectedBlockToSkip;
+import '../../codes/cfe_codes.dart' show messageExpectedBlockToSkip;
 
 /// Listener that records imports, exports, and part directives.
 ///

pkg/front_end/lib/src/fasta/source/offset_map.dart

@@ -6,7 +6,7 @@ import 'package:_fe_analyzer_shared/src/scanner/token.dart';
 import 'package:kernel/ast.dart';
 import '../builder/builder.dart';
 import '../builder/declaration_builders.dart';
-import '../codes/fasta_codes.dart';
+import '../../codes/cfe_codes.dart';
 import '../export.dart';
 import '../identifiers.dart';
 import '../import.dart';

pkg/front_end/lib/src/fasta/source/outline_builder.dart

@@ -41,7 +41,7 @@ import '../builder/nullability_builder.dart';
 import '../builder/omitted_type_builder.dart';
 import '../builder/record_type_builder.dart';
 import '../builder/type_builder.dart';
-import '../codes/fasta_codes.dart';
+import '../../codes/cfe_codes.dart';
 import '../combinator.dart' show CombinatorBuilder;
 import '../configuration.dart' show Configuration;
 import '../identifiers.dart'

pkg/front_end/lib/src/fasta/source/source_class_builder.dart

@@ -34,7 +34,7 @@ import '../builder/never_type_declaration_builder.dart';
 import '../builder/nullability_builder.dart';
 import '../builder/type_builder.dart';
 import '../builder/void_type_declaration_builder.dart';
-import '../codes/fasta_codes.dart';
+import '../../codes/cfe_codes.dart';
 import '../kernel/body_builder_context.dart';
 import '../kernel/hierarchy/hierarchy_builder.dart';
 import '../kernel/hierarchy/hierarchy_node.dart';

pkg/front_end/lib/src/fasta/source/source_enum_builder.dart

@@ -24,7 +24,7 @@ import '../builder/named_type_builder.dart';
 import '../builder/nullability_builder.dart';
 import '../builder/procedure_builder.dart';
 import '../builder/type_builder.dart';
-import '../codes/fasta_codes.dart'
+import '../../codes/cfe_codes.dart'
     show
         LocatedMessage,
         Severity,

pkg/front_end/lib/src/fasta/source/source_extension_builder.dart

@@ -10,7 +10,7 @@ import '../builder/declaration_builders.dart';
 import '../builder/library_builder.dart';
 import '../builder/metadata_builder.dart';
 import '../builder/type_builder.dart';
-import '../codes/fasta_codes.dart'
+import '../../codes/cfe_codes.dart'
     show
         messagePatchDeclarationMismatch,
         messagePatchDeclarationOrigin,

pkg/front_end/lib/src/fasta/source/source_factory_builder.dart

@@ -15,7 +15,7 @@ import '../builder/function_builder.dart';
 import '../builder/metadata_builder.dart';
 import '../builder/omitted_type_builder.dart';
 import '../builder/type_builder.dart';
-import '../codes/fasta_codes.dart';
+import '../../codes/cfe_codes.dart';
 import '../dill/dill_extension_type_member_builder.dart';
 import '../dill/dill_member_builder.dart';
 import '../identifiers.dart';

pkg/front_end/lib/src/fasta/source/source_field_builder.dart

@@ -18,7 +18,7 @@ import '../builder/member_builder.dart';
 import '../builder/metadata_builder.dart';
 import '../builder/omitted_type_builder.dart';
 import '../builder/type_builder.dart';
-import '../codes/fasta_codes.dart'
+import '../../codes/cfe_codes.dart'
     show messageInternalProblemAlreadyInitialized;
 import '../constant_context.dart' show ConstantContext;
 import '../kernel/body_builder.dart' show BodyBuilder;

pkg/front_end/lib/src/fasta/source/source_library_builder.dart

@@ -57,7 +57,7 @@ import '../builder/procedure_builder.dart';
 import '../builder/record_type_builder.dart';
 import '../builder/type_builder.dart';
 import '../builder/void_type_declaration_builder.dart';
-import '../codes/fasta_codes.dart';
+import '../../codes/cfe_codes.dart';
 import '../combinator.dart' show CombinatorBuilder;
 import '../configuration.dart' show Configuration;
 import '../export.dart' show Export;

pkg/front_end/lib/src/fasta/source/source_loader.dart

@@ -49,9 +49,9 @@ import '../builder/nullability_builder.dart';
 import '../builder/omitted_type_builder.dart';
 import '../builder/type_builder.dart';
 import '../builder_graph.dart';
-import '../codes/denylisted_classes.dart'
+import '../../codes/denylisted_classes.dart'
     show denylistedCoreClasses, denylistedTypedDataClasses;
-import '../codes/fasta_codes.dart';
+import '../../codes/cfe_codes.dart';
 import '../dill/dill_library_builder.dart';
 import '../export.dart' show Export;
 import '../import_chains.dart';

pkg/front_end/lib/src/fasta/source/source_type_alias_builder.dart

@@ -17,7 +17,7 @@ import '../builder/metadata_builder.dart';
 import '../builder/name_iterator.dart';
 import '../builder/record_type_builder.dart';
 import '../builder/type_builder.dart';
-import '../codes/fasta_codes.dart'
+import '../../codes/cfe_codes.dart'
     show templateCyclicTypedef, templateTypeArgumentMismatch;
 import '../kernel/body_builder_context.dart';
 import '../kernel/constructor_tearoff_lowering.dart';

pkg/front_end/lib/src/fasta/source/stack_listener_impl.dart

@@ -11,7 +11,7 @@ import 'package:_fe_analyzer_shared/src/scanner/scanner.dart' show Token;
 import 'package:kernel/ast.dart';
 
 import '../../api_prototype/experimental_flags.dart';
-import '../codes/fasta_codes.dart';
+import '../../codes/cfe_codes.dart';
 import '../problems.dart' as problems
     show internalProblem, unhandled, unsupported;
 import 'source_library_builder.dart';

pkg/front_end/lib/src/fasta/type_inference/closure_context.dart

@@ -6,7 +6,7 @@ import 'package:kernel/ast.dart';
 import 'package:kernel/src/future_value_type.dart';
 import 'package:kernel/type_environment.dart';
 
-import '../codes/fasta_codes.dart';
+import '../../codes/cfe_codes.dart';
 import '../kernel/invalid_type.dart';
 import 'inference_results.dart';
 import 'inference_visitor_base.dart';

pkg/front_end/lib/src/fasta/type_inference/for_in.dart

@@ -5,7 +5,7 @@
 import 'package:kernel/ast.dart';
 
 import '../../base/instrumentation.dart' show InstrumentationValueForMember;
-import '../codes/fasta_codes.dart';
+import '../../codes/cfe_codes.dart';
 import '../kernel/internal_ast.dart';
 import 'inference_results.dart';
 import 'inference_visitor.dart';

pkg/front_end/lib/src/fasta/type_inference/inference_helper.dart

@@ -4,7 +4,7 @@
 
 import 'package:kernel/ast.dart';
 
-import '../codes/fasta_codes.dart' show LocatedMessage, Message;
+import '../../codes/cfe_codes.dart' show LocatedMessage, Message;
 import '../kernel/internal_ast.dart';
 
 abstract class InferenceHelper {

pkg/front_end/lib/src/fasta/type_inference/inference_results.dart

@@ -5,7 +5,7 @@
 import 'package:_fe_analyzer_shared/src/util/link.dart';
 import 'package:kernel/ast.dart';
 
-import '../codes/fasta_codes.dart';
+import '../../codes/cfe_codes.dart';
 import '../kernel/internal_ast.dart';
 import 'external_ast_helper.dart';
 import 'inference_helper.dart';

pkg/front_end/lib/src/fasta/type_inference/inference_visitor.dart

@@ -27,7 +27,7 @@ import '../../base/instrumentation.dart'
         InstrumentationValueForMember,
         InstrumentationValueForType,
         InstrumentationValueForTypeArgs;
-import '../codes/fasta_codes.dart';
+import '../../codes/cfe_codes.dart';
 import '../kernel/body_builder.dart' show combineStatements;
 import '../kernel/collections.dart'
     show

pkg/front_end/lib/src/fasta/type_inference/inference_visitor_base.dart

@@ -32,7 +32,7 @@ import '../../testing/id_extractor.dart';
 import '../../testing/id_testing_utils.dart';
 import '../builder/declaration_builders.dart';
 import '../builder/member_builder.dart';
-import '../codes/fasta_codes.dart';
+import '../../codes/cfe_codes.dart';
 import '../kernel/constructor_tearoff_lowering.dart';
 import '../kernel/hierarchy/class_member.dart';
 import '../kernel/internal_ast.dart';

pkg/front_end/lib/src/fasta/type_inference/shared_type_analyzer.dart

@@ -8,7 +8,7 @@ import 'package:front_end/src/fasta/type_inference/inference_visitor.dart';
 import 'package:kernel/ast.dart';
 import 'package:kernel/core_types.dart';
 
-import '../codes/fasta_codes.dart';
+import '../../codes/cfe_codes.dart';
 import 'inference_helper.dart';
 
 /// Implementation of [TypeAnalyzerErrors] that reports errors using the

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

@@ -8,7 +8,7 @@ import 'package:_fe_analyzer_shared/src/util/libraries_specification.dart'
     show TargetLibrariesSpecification;
 import 'package:package_config/package_config.dart';
 
-import 'codes/fasta_codes.dart';
+import '../codes/cfe_codes.dart';
 import 'compiler_context.dart' show CompilerContext;
 
 class UriTranslator {

pkg/front_end/lib/src/fasta/util/textual_outline.dart

@@ -19,7 +19,7 @@ import 'package:_fe_analyzer_shared/src/scanner/utf8_bytes_scanner.dart'
 import 'package:kernel/ast.dart' show Version;
 
 import '../../api_prototype/experimental_flags.dart' show ExperimentalFlag;
-import '../codes/fasta_codes.dart' show codeNativeClauseShouldBeAnnotation;
+import '../../codes/cfe_codes.dart' show codeNativeClauseShouldBeAnnotation;
 import '../messages.dart' show Message;
 
 abstract class _Chunk implements Comparable<_Chunk> {

pkg/front_end/lib/src/kernel_generator_impl.dart

@@ -22,7 +22,7 @@ import 'api_prototype/memory_file_system.dart';
 import 'base/instrumentation.dart';
 import 'base/nnbd_mode.dart';
 import 'base/processed_options.dart' show ProcessedOptions;
-import 'fasta/codes/fasta_codes.dart' show LocatedMessage;
+import 'codes/cfe_codes.dart' show LocatedMessage;
 import 'fasta/compiler_context.dart' show CompilerContext;
 import 'fasta/crash.dart' show withCrashReporting;
 import 'fasta/dill/dill_target.dart' show DillTarget;

pkg/front_end/lib/src/testing/analysis_helper.dart

@@ -7,7 +7,7 @@ import 'package:front_end/src/api_prototype/compiler_options.dart';
 import 'package:front_end/src/api_prototype/kernel_generator.dart';
 import 'package:front_end/src/api_prototype/terminal_color_support.dart';
 import 'package:front_end/src/compute_platform_binaries_location.dart';
-import 'package:front_end/src/fasta/codes/fasta_codes.dart';
+import 'package:front_end/src/codes/cfe_codes.dart';
 import 'package:front_end/src/fasta/command_line_reporting.dart';
 import 'package:front_end/src/kernel_generator_impl.dart';
 import 'package:kernel/ast.dart';

pkg/front_end/lib/src/testing/verifying_analysis.dart

@@ -8,7 +8,7 @@ import 'dart:io';
 import 'package:_fe_analyzer_shared/src/messages/diagnostic_message.dart';
 import 'package:kernel/ast.dart';
 
-import '../fasta/codes/fasta_codes.dart';
+import '../codes/cfe_codes.dart';
 import '../fasta/command_line_reporting.dart';
 import 'analysis_helper.dart';
 

pkg/front_end/presubmit_helper.dart

@@ -76,7 +76,7 @@ const Set<String> _generatedFilesUpToDateFiles = {
   "pkg/_fe_analyzer_shared/lib/src/parser/listener.dart",
   "pkg/_fe_analyzer_shared/lib/src/parser/parser_impl.dart",
   "pkg/front_end/lib/src/api_prototype/experimental_flags_generated.dart",
-  "pkg/front_end/lib/src/fasta/codes/fasta_codes_cfe_generated.dart",
+  "pkg/front_end/lib/src/codes/cfe_codes_generated.dart",
   "pkg/front_end/lib/src/fasta/util/parser_ast_helper.dart",
   "pkg/front_end/messages.yaml",
   "pkg/front_end/test/generated_files_up_to_date_git_test.dart",

pkg/front_end/test/coverage_suite_expected.dart

@@ -281,12 +281,12 @@ const Map<String, ({int hitCount, int missCount})> _expect = {
     missCount: 22,
   ),
   // 73.0892742453436%.
-  "package:front_end/src/fasta/codes/fasta_codes_cfe_generated.dart": (
+  "package:front_end/src/codes/cfe_codes_generated.dart": (
     hitCount: 1138,
     missCount: 419,
   ),
   // 83.68336025848141%.
-  "package:front_end/src/fasta/codes/type_labeler.dart": (
+  "package:front_end/src/codes/type_labeler.dart": (
     hitCount: 518,
     missCount: 101,
   ),

pkg/front_end/test/explicit_creation_impl.dart

@@ -14,7 +14,7 @@ import 'package:front_end/src/api_prototype/compiler_options.dart' as api
 import 'package:front_end/src/fasta/builder/declaration_builders.dart'
     show TypeDeclarationBuilder;
 import 'package:front_end/src/fasta/builder/type_builder.dart' show TypeBuilder;
-import 'package:front_end/src/fasta/codes/fasta_codes.dart' as fasta
+import 'package:front_end/src/codes/cfe_codes.dart' as fasta
     show templateUnspecified;
 import 'package:front_end/src/fasta/kernel/body_builder.dart' show BodyBuilder;
 import 'package:front_end/src/fasta/kernel/constness.dart' show Constness;

pkg/front_end/test/fasta/generator_to_string_test.dart

@@ -10,7 +10,7 @@ import 'package:expect/expect.dart' show Expect;
 import 'package:front_end/src/fasta/builder/declaration_builders.dart';
 import 'package:front_end/src/fasta/builder/prefix_builder.dart';
 import 'package:front_end/src/fasta/builder/type_builder.dart';
-import 'package:front_end/src/fasta/codes/fasta_codes.dart'
+import 'package:front_end/src/codes/cfe_codes.dart'
     show Message, templateUnspecified;
 import 'package:front_end/src/fasta/compiler_context.dart' show CompilerContext;
 import 'package:front_end/src/fasta/dill/dill_target.dart' show DillTarget;

pkg/front_end/test/fasta/super_mixins_test.dart

@@ -15,7 +15,7 @@ import 'package:async_helper/async_helper.dart' show asyncTest;
 import 'package:expect/expect.dart' show Expect;
 import "package:front_end/src/api_prototype/compiler_options.dart"
     show CompilerOptions;
-import 'package:front_end/src/fasta/codes/fasta_codes.dart'
+import 'package:front_end/src/codes/cfe_codes.dart'
     show codeSuperclassHasNoMethod;
 import 'package:front_end/src/testing/compiler_common.dart' show compileScript;
 

pkg/front_end/test/fasta/tool_git_test.dart

@@ -7,8 +7,7 @@
 import "dart:io";
 
 import "package:expect/expect.dart";
-import "package:front_end/src/fasta/codes/fasta_codes.dart"
+import "package:front_end/src/codes/cfe_codes.dart" show messageFastaUsageShort;
-    show messageFastaUsageShort;
 
 const String toolPath = "pkg/front_end/tool/fasta";
 

pkg/front_end/test/incremental_load_from_invalid_dill_test.dart

@@ -21,7 +21,7 @@ import 'package:front_end/src/base/processed_options.dart'
     show ProcessedOptions;
 import 'package:front_end/src/compute_platform_binaries_location.dart'
     show computePlatformBinariesLocation;
-import 'package:front_end/src/fasta/codes/fasta_codes.dart'
+import 'package:front_end/src/codes/cfe_codes.dart'
     show
         Code,
         codeInitializeFromDillNotSelfContained,

pkg/front_end/test/incremental_suite.dart

@@ -26,7 +26,7 @@ import 'package:front_end/src/base/processed_options.dart'
     show ProcessedOptions;
 import 'package:front_end/src/compute_platform_binaries_location.dart'
     show computePlatformBinariesLocation, computePlatformDillName;
-import 'package:front_end/src/fasta/codes/fasta_codes.dart'
+import 'package:front_end/src/codes/cfe_codes.dart'
     show DiagnosticMessageFromJson, FormattedMessage;
 import 'package:front_end/src/fasta/compiler_context.dart' show CompilerContext;
 import 'package:front_end/src/fasta/incremental_compiler.dart'

pkg/front_end/test/kernel_generator_test.dart

@@ -4,7 +4,7 @@
 
 import 'package:front_end/src/api_prototype/front_end.dart'
     show CompilerOptions, DiagnosticMessage;
-import 'package:front_end/src/fasta/codes/fasta_codes.dart'
+import 'package:front_end/src/codes/cfe_codes.dart'
     show FormattedMessage, messageMissingMain;
 import 'package:front_end/src/fasta/kernel/utils.dart' show serializeComponent;
 import 'package:front_end/src/testing/compiler_common.dart'

pkg/front_end/test/lint_test.status

@@ -14,7 +14,8 @@ front_end/lib/src/api_prototype/static_weak_references/Exports: Fail
 front_end/lib/src/api_prototype/terminal_color_support/Exports: Fail
 front_end/lib/src/api_prototype/try_constant_evaluator/Exports: Fail
 front_end/lib/src/api_unstable/bazel_worker/Exports: Fail
-front_end/lib/src/fasta/codes/fasta_codes/Exports: Fail
+front_end/lib/src/api_unstable/vm/Exports: Fail
+front_end/lib/src/codes/cfe_codes/Exports: Fail
 front_end/lib/src/fasta/messages/Exports: Fail
 front_end/lib/src/testing/id_testing_helper/Exports: Fail
 kernel/lib/ast/Exports: Fail

pkg/front_end/test/messages_json_test.dart

@@ -5,7 +5,7 @@
 import 'package:_fe_analyzer_shared/src/messages/diagnostic_message.dart'
     show DiagnosticMessage, getMessageUri;
 import 'package:_fe_analyzer_shared/src/messages/severity.dart' show Severity;
-import 'package:front_end/src/fasta/codes/fasta_codes.dart'
+import 'package:front_end/src/codes/cfe_codes.dart'
     show
         Code,
         DiagnosticMessageFromJson,

pkg/front_end/test/parser_test_parser.dart

@@ -19,7 +19,7 @@ import 'package:_fe_analyzer_shared/src/parser/parser_impl.dart'
 import 'package:_fe_analyzer_shared/src/parser/token_stream_rewriter.dart';
 import 'package:_fe_analyzer_shared/src/parser/type_info.dart';
 import 'package:_fe_analyzer_shared/src/scanner/token.dart';
-import 'package:front_end/src/fasta/codes/fasta_codes.dart' as codes;
+import 'package:front_end/src/codes/cfe_codes.dart' as codes;
 import 'package:front_end/src/fasta/source/diet_parser.dart'
     show useImplicitCreationExpressionInCfe;
 

pkg/front_end/test/parser_test_parser_creator.dart

@@ -55,7 +55,7 @@ import 'package:_fe_analyzer_shared/src/parser/parser_impl.dart' show AwaitOrYie
 import 'package:_fe_analyzer_shared/src/parser/token_stream_rewriter.dart';
 import 'package:_fe_analyzer_shared/src/parser/type_info.dart';
 import 'package:_fe_analyzer_shared/src/scanner/token.dart';
-import 'package:front_end/src/fasta/codes/fasta_codes.dart' as codes;
+import 'package:front_end/src/codes/cfe_codes.dart' as codes;
 import 'package:front_end/src/fasta/source/diet_parser.dart'
     show useImplicitCreationExpressionInCfe;
 

pkg/front_end/test/scanner_fasta_test.dart

@@ -13,7 +13,7 @@ import 'package:_fe_analyzer_shared/src/scanner/scanner.dart';
 import 'package:_fe_analyzer_shared/src/scanner/token.dart' as fasta;
 import 'package:_fe_analyzer_shared/src/scanner/token.dart';
 import 'package:_fe_analyzer_shared/src/scanner/token_constants.dart' as fasta;
-import 'package:front_end/src/fasta/codes/fasta_codes.dart';
+import 'package:front_end/src/codes/cfe_codes.dart';
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 

pkg/front_end/test/src/base/processed_options_test.dart

@@ -7,7 +7,7 @@ import 'dart:convert' show jsonEncode;
 import 'package:front_end/src/api_prototype/compiler_options.dart';
 import 'package:front_end/src/api_prototype/memory_file_system.dart';
 import 'package:front_end/src/base/processed_options.dart';
-import 'package:front_end/src/fasta/codes/fasta_codes.dart';
+import 'package:front_end/src/codes/cfe_codes.dart';
 import 'package:front_end/src/fasta/compiler_context.dart';
 import 'package:front_end/src/fasta/util/bytes_sink.dart' show BytesSink;
 import 'package:kernel/binary/ast_to_binary.dart' show BinaryPrinter;

pkg/front_end/test/type_labeler_test.dart

@@ -3,7 +3,7 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:expect/expect.dart';
-import 'package:front_end/src/fasta/codes/type_labeler.dart';
+import 'package:front_end/src/codes/type_labeler.dart';
 import 'package:kernel/ast.dart';
 
 void main() {

pkg/front_end/testing.json

@@ -273,7 +273,7 @@
       "exclude": [
         "kernel/lib/transformations/.*\\.dart$",
         "_fe_analyzer_shared/lib/src/messages/codes_generated\\.dart$",
-        "front_end/lib/src/fasta/codes/fasta_codes_cfe_generated\\.dart$"
+        "front_end/lib/src/codes/cfe_codes_generated\\.dart$"
       ]
     },
     {
@@ -310,7 +310,7 @@
       ],
       "exclude": [
         "_fe_analyzer_shared/lib/src/messages/codes_generated\\.dart$",
-        "front_end/lib/src/fasta/codes/fasta_codes_cfe_generated\\.dart$"
+        "front_end/lib/src/codes/cfe_codes_generated\\.dart$"
       ]
     },
     {

pkg/front_end/tool/_fasta/additional_targets_test.dart

@@ -5,7 +5,7 @@
 library fasta.tool.additional_targets_test;
 
 import 'package:front_end/src/base/command_line_options.dart';
-import 'package:front_end/src/fasta/codes/fasta_codes.dart'
+import 'package:front_end/src/codes/cfe_codes.dart'
     show MessageCode, messageFastaUsageLong;
 import 'package:kernel/target/targets.dart' show targets;
 

pkg/front_end/tool/_fasta/command_line.dart

@@ -25,7 +25,7 @@ import 'package:front_end/src/base/processed_options.dart'
     show ProcessedOptions;
 import 'package:front_end/src/compute_platform_binaries_location.dart'
     show computePlatformBinariesLocation, computePlatformDillName;
-import 'package:front_end/src/fasta/codes/fasta_codes.dart'
+import 'package:front_end/src/codes/cfe_codes.dart'
     show
         Message,
         PlainAndColorizedString,

pkg/front_end/tool/_fasta/entry_points.dart

@@ -17,7 +17,7 @@ import 'package:front_end/src/api_prototype/kernel_generator.dart';
 import 'package:front_end/src/base/command_line_options.dart';
 import 'package:front_end/src/base/processed_options.dart'
     show ProcessedOptions;
-import 'package:front_end/src/fasta/codes/fasta_codes.dart'
+import 'package:front_end/src/codes/cfe_codes.dart'
     show codeInternalProblemVerificationError;
 import 'package:front_end/src/fasta/compiler_context.dart' show CompilerContext;
 import 'package:front_end/src/fasta/get_dependencies.dart' show getDependencies;

pkg/front_end/tool/_fasta/generate_messages_lib.dart

@@ -14,8 +14,8 @@ Uri computeSharedGeneratedFile(Uri repoDir) {
 }
 
 Uri computeCfeGeneratedFile(Uri repoDir) {
-  return repoDir.resolve(
+  return repoDir
-      "pkg/front_end/lib/src/fasta/codes/fasta_codes_cfe_generated.dart");
+      .resolve("pkg/front_end/lib/src/codes/cfe_codes_generated.dart");
 }
 
 class Messages {
@@ -62,7 +62,7 @@ part of _fe_analyzer_shared.messages.codes;
 """);
   cfeMessages.writeln(preamble2);
   cfeMessages.writeln("""
-part of fasta.codes;
+part of 'cfe_codes.dart';
 """);
 
   bool hasError = false;

pkg/front_end/tool/dart_doctest_impl.dart

@@ -26,7 +26,7 @@ import 'package:front_end/src/api_prototype/memory_file_system.dart';
 import 'package:front_end/src/api_prototype/standard_file_system.dart';
 import 'package:front_end/src/base/processed_options.dart';
 import 'package:front_end/src/fasta/builder/library_builder.dart';
-import 'package:front_end/src/fasta/codes/fasta_codes.dart';
+import 'package:front_end/src/codes/cfe_codes.dart';
 import 'package:front_end/src/fasta/combinator.dart';
 import 'package:front_end/src/fasta/command_line_reporting.dart'
     as command_line_reporting;

pkg/front_end/tool/perf_common.dart

@@ -12,7 +12,7 @@ import 'package:_fe_analyzer_shared/src/messages/diagnostic_message.dart'
 import 'package:_fe_analyzer_shared/src/messages/severity.dart' show Severity;
 import 'package:front_end/src/api_prototype/terminal_color_support.dart'
     show printDiagnosticMessage;
-import 'package:front_end/src/fasta/codes/fasta_codes.dart' as fastaCodes;
+import 'package:front_end/src/codes/cfe_codes.dart' as fastaCodes;
 import 'package:kernel/target/targets.dart' show Target, TargetFlags;
 import 'package:vm/modular/target/flutter.dart' show FlutterTarget;
 import 'package:vm/modular/target/vm.dart' show VmTarget;

pkg/kernel/problems.md

@@ -27,4 +27,4 @@ Normally this is null.
 
 These values are subject to change, but this file will be updated along with any
 such changes. On the code-side these are defined in
-`package:front_end/src/fasta/codes/fasta_codes.dart`.
+`package:front_end/src/codes/cfe_codes.dart`.

pkg/vm/lib/modular/transformations/deeply_immutable.dart

@@ -2,7 +2,7 @@
 // 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.
 
-import 'package:front_end/src/fasta/codes/fasta_codes.dart'
+import 'package:front_end/src/codes/cfe_codes.dart'
     show
         messageFfiDeeplyImmutableClassesMustBeFinalOrSealed,
         messageFfiDeeplyImmutableFieldsModifiers,

pkg/vm/lib/modular/transformations/ffi/common.dart

@@ -7,7 +7,7 @@
 
 library vm.transformations.ffi;
 
-import 'package:front_end/src/fasta/codes/fasta_codes.dart'
+import 'package:front_end/src/codes/cfe_codes.dart'
     show
         messageFfiLeafCallMustNotReturnHandle,
         messageFfiLeafCallMustNotTakeHandle,

pkg/vm/lib/modular/transformations/ffi/definitions.dart

@@ -2,7 +2,7 @@
 // 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.
 
-import 'package:front_end/src/fasta/codes/fasta_codes.dart'
+import 'package:front_end/src/codes/cfe_codes.dart'
     show
         messageFfiAbiSpecificIntegerInvalid,
         messageFfiAbiSpecificIntegerMappingInvalid,

pkg/vm/lib/modular/transformations/ffi/native.dart

@@ -2,7 +2,7 @@
 // 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.
 
-import 'package:front_end/src/fasta/codes/fasta_codes.dart'
+import 'package:front_end/src/codes/cfe_codes.dart'
     show
         messageFfiDefaultAssetDuplicate,
         messageFfiNativeDuplicateAnnotations,

pkg/vm/lib/modular/transformations/ffi/use_sites.dart

@@ -2,7 +2,7 @@
 // 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.
 
-import 'package:front_end/src/fasta/codes/fasta_codes.dart'
+import 'package:front_end/src/codes/cfe_codes.dart'
     show
         messageFfiAddressOfMustBeNative,
         messageFfiAddressPosition,