pkg/wasm_builder/lib/src/builder/global.dart

// Copyright (c) 2023, 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.

import '../ir/ir.dart' as ir;
import 'builder.dart';

/// A global variable defined in a module.
class GlobalBuilder extends ir.Global with IndexableBuilder<ir.DefinedGlobal> {
  final ModuleBuilder moduleBuilder;
  final InstructionsBuilder initializer;

  GlobalBuilder(
    this.moduleBuilder,
    ir.FinalizableIndex index,
    ir.GlobalType type, [
    String? globalName,
  ]) : initializer = InstructionsBuilder(moduleBuilder, [], [
         type.type,
       ], constantExpression: true),
       super(moduleBuilder.module, index, type, globalName);

  @override
  ir.DefinedGlobal forceBuild() => ir.DefinedGlobal(
    enclosingModule,
    initializer.build(),
    finalizableIndex,
    type,
    globalName,
  );
}