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[dart2wasm] Add runner script to streamline running wasm in d8.
Change-Id: I0f891d28419d0df55f94e0229ff33e87b791e7d0 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/273280 Reviewed-by: Aske Simon Christensen <askesc@google.com> Commit-Queue: Joshua Litt <joshualitt@google.com>
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@ -8,11 +8,15 @@
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//
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// $> d8 --experimental-wasm-gc --experimental-wasm-stack-switching --experimental-wasm-type-reflection run_wasm.js -- <dart_module>.wasm [<ffi_module>.wasm]
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//
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// Or with the `run_dart2wasm_d8` helper script:
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//
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// $> sdk/bin/run_dart2wasm_d8 <dart_module>.wasm [<ffi_module>.wasm]
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//
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// If an FFI module is specified, it will be instantiated first, and its
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// exports will be supplied as imports to the Dart module under the 'ffi'
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// module name.
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// We would like this itself to be a ES module rather than a script, but
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// We would like this itself to be a ES module rather than a script, but
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// unfortunately d8 does not return a failed error code if an unhandled
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// exception occurs asynchronously in an ES module.
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const main = async () => {
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40
sdk/bin/run_dart2wasm_d8
Executable file
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sdk/bin/run_dart2wasm_d8
Executable file
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@ -0,0 +1,40 @@
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#!/usr/bin/env bash
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# Copyright (c) 2022, the Dart project authors. Please see the AUTHORS file
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# for details. All rights reserved. Use of this source code is governed by a
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# BSD-style license that can be found in the LICENSE file.
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# Run the output of dart2wasm on d8.
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function follow_links() {
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file="$1"
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while [ -h "$file" ]; do
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# On Mac OS, readlink -f doesn't work.
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file="$(readlink "$file")"
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done
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echo "$file"
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}
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# Unlike $0, $BASH_SOURCE points to the absolute path of this file.
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PROG_NAME="$(follow_links "$BASH_SOURCE")"
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# Handle the case where dart-sdk/bin has been symlinked to.
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PROG_DIR="$(cd "${PROG_NAME%/*}" ; pwd -P)"
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SDK_DIR="$(cd "${PROG_DIR}/../.." ; pwd -P)"
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D8_DIR="$(cd "${PROG_DIR}/../../third_party/d8" ; pwd -P)"
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# Locate D8 executable. Only macos and linux are supported.
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if [[ `uname` == 'Darwin' ]]; then
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D8_EXEC="$D8_DIR/macos/d8"
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else
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D8_EXEC="$D8_DIR/linux/d8"
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fi
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# We allow extra d8 options to be passed in through an environment variable.
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if [[ $D8_OPTIONS ]]; then
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read -a OPTIONS <<< "$D8_OPTIONS"
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EXTRA_D8_OPTIONS+=("${OPTIONS[@]}")
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fi
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exec "$D8_EXEC" --experimental-wasm-gc --experimental-wasm-stack-switching \
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--experimental-wasm-type-reflection "${EXTRA_D8_OPTIONS[@]}" \
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pkg/dart2wasm/bin/run_wasm.js -- "$@"
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