mirror of
https://github.com/dart-lang/sdk
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1d92908169
Golem build configuration is setup in a way that includes the `pkg/` folder entirely, so the shell scripts should have access to the `dart compile exe` sources. Change-Id: I5395413ce85f11098d14eacbd6ce392f665ddce5 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/347021 Reviewed-by: Slava Egorov <vegorov@google.com>
136 lines
3.8 KiB
Bash
Executable file
136 lines
3.8 KiB
Bash
Executable file
#!/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 dart2wasm on the Dart VM. This script assumes the Dart repo's directory
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# structure.
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#
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# Last argument must be the output .wasm file.
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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 "${PROG_DIR}/../.." ; pwd -P)"
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# Use same binaryen flags as `dart compile exe`
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BINARYEN_FLAGS="$(sed -n '/binaryenFlags =/,/end of binaryenFlags/ p' $SDK_DIR/pkg/dartdev/lib/src/commands/compile.dart | sed '1d' | sed '$d' | tr '\n' ' ')"
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# Locate build directory, containing executables, snapshots and platform dill.
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if [[ `uname` == 'Darwin' ]]; then
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OUT_DIR="$SDK_DIR/xcodebuild"
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else
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OUT_DIR="$SDK_DIR/out"
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fi
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# Set DART_CONFIGURATION. Code copied from `dart` script in the same directory.
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if [ -z "$DART_CONFIGURATION" ];
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then
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DIRS=$( ls "$OUT_DIR" )
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# List of possible configurations in decreasing desirability.
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CONFIGS=("ReleaseX64" "ReleaseARM64" "ReleaseIA32" "DebugX64" "DebugIA32"
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"ReleaseARM" "DebugARM" "DebugARM64" )
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DART_CONFIGURATION="None"
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for CONFIG in ${CONFIGS[*]}
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do
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for DIR in $DIRS;
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do
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if [ "$CONFIG" = "$DIR" ];
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then
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# Choose most desirable configuration that is available and break.
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DART_CONFIGURATION="$DIR"
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break 2
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fi
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done
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done
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if [ "$DART_CONFIGURATION" = "None" ]
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then
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echo "No valid dart configuration found in $OUT_DIR"
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exit 1
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fi
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fi
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BIN_DIR="$OUT_DIR/$DART_CONFIGURATION"
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DART_PRECOMPILED_RUNTIME="$BIN_DIR/dart_precompiled_runtime"
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# Point to SDK directory.
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SDK_ARG="--dart-sdk=$SDK_DIR"
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# Point to built platform dill.
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PLATFORM="$BIN_DIR/dart2wasm_platform.dill"
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# Run wasm-opt with `-O`.
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OPTIMIZED=0
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# `-O` also passes `--inlining-limit 10` unless it's also passed by the caller.
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INLINING_LIMIT_PASSED=0
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# Arguments except `-O`. These are passed to the Dart main for dart2wasm.
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ARGS=()
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for arg in "$@"; do
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if [ "$arg" = "-O" ]; then
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OPTIMIZED=1
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elif [ "$arg" = "--inlining-limit" ]; then
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INLINING_LIMIT_PASSED=1
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ARGS+=("$arg")
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else
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ARGS+=("$arg")
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fi
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done
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if [[ "$OPTIMIZED" == 1 ]] && [[ "$INLINING_LIMIT_PASSED" == 0 ]]; then
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# Last argument needs to be the output file, so insert it at the beginning.
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ARGS=("--inlining-limit" "10" "${ARGS[@]}")
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fi
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# Not the prettiest way to check for a target, and it doesn't support changing
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# the default, but it will do for experiments.
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for arg in "${ARGS[@]}"; do
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if [[ "$arg" == "--js-compatibility" ]]; then
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PLATFORM="$BIN_DIR/dart2wasm_js_compatibility_platform.dill"
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fi
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done
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PLATFORM_ARG="--platform=$PLATFORM"
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unset EXTRA_VM_OPTIONS
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declare -a EXTRA_VM_OPTIONS
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# Choose snapshot with or without asserts enabled.
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SNAPSHOT_NAME="dart2wasm"
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case $0 in
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*_developer)
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EXTRA_VM_OPTIONS+=('--enable_asserts')
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SNAPSHOT_NAME="dart2wasm_asserts"
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;;
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esac
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SNAPSHOT="$BIN_DIR/$SNAPSHOT_NAME.snapshot"
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# We allow extra vm options to be passed in through an environment variable.
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if [[ $DART_VM_OPTIONS ]]; then
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read -a OPTIONS <<< "$DART_VM_OPTIONS"
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EXTRA_VM_OPTIONS+=("${OPTIONS[@]}")
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fi
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DART_ROOT="$(cd "${SDK_DIR}/.." ; pwd -P)"
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set -e
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"$DART_PRECOMPILED_RUNTIME" "--packages=$DART_ROOT/.packages" "${EXTRA_VM_OPTIONS[@]}" "$SNAPSHOT" "$SDK_ARG" "$PLATFORM_ARG" "${ARGS[@]}"
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if [[ "$OPTIMIZED" == 1 ]]; then
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# Keep the name section by passing `-g`.
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"$BIN_DIR"/wasm-opt -g $BINARYEN_FLAGS "${ARGS[-1]}" -o "${ARGS[-1]}"
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fi
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