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sdk/pkg/wasm_builder/lib/wasm_builder.dart
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Joshua Litt 96d6c2e0d3 [wasm_builder] Refactor to a builder / built pattern.
This CL mostly just moves code around. There are three broad changes in this CL:
1) Reify the builder / built pattern that exists implicitly in the existing code. Builders now live in `src/builder`, while the built ir lives in `src/ir`.
2) Reify the module subsections.
3) `pkg/dart2wasm` has been updated to use the new API.

There is only one minor logic change in the entire CL, we now defer serialization of a module until the bytes are actually required, as opposed to serializing eagerly.

This change is designed to make the wasm_builder more robust. By clearly delineating which parts of the AST are mutable and which parts are immutable, then it should make it easier for users of the wasm_builder to avoid undefined behavior, i.e. holding on to something that can change.

Change-Id: I676107b867aa74fabf413108673e170126bdb5c1
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/316280
Reviewed-by: Ömer Ağacan <omersa@google.com>
Commit-Queue: Joshua Litt <joshualitt@google.com>
2023-07-31 15:27:58 +00:00

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Dart

// Copyright (c) 2022, 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.
export 'src/ir/ir.dart';
export 'src/builder/builder.dart';
export 'src/serialize/serialize.dart';