Fasta kernel builders.

pkg/fasta/lib/src/kernel/kernel_builder.dart

Index: pkg/fasta/lib/src/kernel/kernel_builder.dart
diff --git a/pkg/fasta/lib/src/kernel/kernel_builder.dart b/pkg/fasta/lib/src/kernel/kernel_builder.dart
new file mode 100644
index 0000000000000000000000000000000000000000..2f583d3e89e1c65cd622e57132368ed938b99421
--- /dev/null
+++ b/pkg/fasta/lib/src/kernel/kernel_builder.dart
@@ -0,0 +1,114 @@
+// Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+library fasta.kernel_builder;
+
+export 'kernel_class_builder.dart' show
+    KernelClassBuilder;
+
+export 'kernel_enum_builder.dart' show
+    KernelEnumBuilder;
+
+export 'kernel_field_builder.dart' show
+    KernelFieldBuilder;
+
+export 'kernel_formal_parameter_builder.dart' show
+    KernelFormalParameterBuilder;
+
+export 'kernel_function_type_alias_builder.dart' show
+    KernelFunctionTypeAliasBuilder;
+
+export 'kernel_interface_type_builder.dart' show
+    KernelInterfaceTypeBuilder;
+
+export 'kernel_library_builder.dart' show
+    KernelLibraryBuilder;
+
+export 'kernel_mixin_application_builder.dart' show
+    KernelMixinApplicationBuilder;
+
+export 'kernel_named_mixin_application_builder.dart' show
+    KernelNamedMixinApplicationBuilder;
+
+export 'kernel_procedure_builder.dart' show
+    KernelConstructorBuilder,
+    KernelFunctionBuilder,
+    KernelProcedureBuilder;
+
+export 'kernel_type_builder.dart' show
+    KernelTypeBuilder;
+
+export 'kernel_type_variable_builder.dart' show
+    KernelTypeVariableBuilder;
+
+export '../builder/builder.dart';
+
+export 'kernel_variable_builder.dart' show
+    KernelVariableBuilder;
+
+export 'kernel_invalid_type_builder.dart' show
+    KernelInvalidTypeBuilder;
+
+import 'package:kernel/text/ast_to_text.dart' show
+    Printer;
+
+import 'package:kernel/ast.dart' show
+    Class,
+    DartType,
+    DynamicType,
+    Field,
+    Library,
+    Member,
+    Procedure,
+    TypeParameter;
+
+import '../errors.dart' show
+    inputError;
+
+List<DartType> computeDefaultTypeArguments(
+    List<TypeParameter> typeParameters, List<DartType> arguments) {
+  if (arguments == null) {
+    return new List<DartType>.filled(
+        typeParameters.length, const DynamicType());
+  }
+  if (arguments.length < typeParameters.length) {
+    arguments = new List<DartType>.from(arguments);
+  }
+  for (int i = arguments.length; i < typeParameters.length; i++) {

[Johnni Winther, 2017/01/18 12:42:39]

Move the for loop into the then-branch above.

[ahe, 2017/01/18 15:21:49]

Done.

+      arguments.add(const DynamicType());
+  }
+  if (arguments.length > typeParameters.length) {

[Johnni Winther, 2017/01/18 12:42:39]

Make this an else branch of the if statement above.

[ahe, 2017/01/18 15:21:50]

Done.

+    return arguments.sublist(0, typeParameters.length);
+  } else {
+    return arguments;
+  }
+}
+
+dynamic memberError(Member member, Object error, [int charOffset]) {
+  String name = member.name?.name;
+  if (name == "") {
+    name = Printer.emptyNameString;
+  } else if (name == null) {
+    name = "<anon>";
+  }
+  Library library = member.enclosingLibrary;
+  Class cls = member.enclosingClass;
+  String fileUri;
+  if (member is Procedure) {
+    fileUri = member.fileUri;
+  } else if (member is Field) {
+    fileUri = member.fileUri;
+  }
+  fileUri ??= cls?.fileUri ?? library.fileUri;
+  Uri uri = fileUri == null ? library.importUri : Uri.base.resolve(fileUri);
+  charOffset ??= -1;
+  if (charOffset == -1) {
+    charOffset = member.fileOffset ?? -1;
+  }
+  if (charOffset == -1) {
+    charOffset = cls?.fileOffset ?? -1;
+  }
+  name = (cls == null ? "" : "${cls.name}::") + name;
+  return inputError(uri, charOffset, "Error in $name: $error");
+}