Make a fork of sdk/lib for use by NNBD.

Change-Id: I7f5892d66f9e7bd08ca064fb2df329794a56faf5 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/116527 Reviewed-by: Leaf Petersen <leafp@google.com> Commit-Queue: Paul Berry <paulberry@google.com>
aam · Sep 10, 2019 · 004d49b · 004d49b
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diff --git a/sdk_nnbd/BUILD.gn b/sdk_nnbd/BUILD.gn
diff --git a/sdk_nnbd/api_readme.md b/sdk_nnbd/api_readme.md
@@ -0,0 +1,32 @@
+Welcome to the Dart API reference documentation, covering the core Dart API
+libraries. Some of the most fundamental Dart libraries include:
+
+  * [dart:core](dart-core/dart-core-library.html): Core functionality such as
+    strings, numbers, collections, errors, dates, and URIs.
+  * [dart:html](dart-html/dart-html-library.html): DOM manipulation for web apps
+    (available only to web apps).
+  * [dart:io](dart-io/dart-io-library.html): I/O for non-web apps.
+
+Except for `dart:core`, you must import a library before you can use it. Here's
+an example of importing `dart:async` and `dart:math`:
+
+```dart
+import 'dart:async';
+import 'dart:math';
+```
+
+You can install more libraries using the
+[pub package manager](https://dart.dev/guides/packages).
+
+The main site for learning and using Dart is
+[dart.dev](https://dart.dev). Check out these pages:
+
+  * [Platforms](https://dart.dev/platforms)
+  * [Language tour](https://dart.dev/guides/language/language-tour)
+  * [Library tour](https://dart.dev/guides/libraries/library-tour)
+  * [Sample code](https://dart.dev/samples)
+
+This API reference is automatically generated from source code in the [Dart
+SDK project](https://github.com/dart-lang/sdk).
+If you'd like to give feedback or edit this documentation, see
+[Contributing](https://github.com/dart-lang/sdk/wiki/Contributing).
diff --git a/sdk_nnbd/bin/dart b/sdk_nnbd/bin/dart
@@ -0,0 +1,57 @@
+#!/usr/bin/env bash
+# Copyright (c) 2012, 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.
+
+function follow_links() {
+  file="$1"
+  while [ -h "$file" ]; do
+    # On Mac OS, readlink -f doesn't work.
+    file="$(readlink "$file")"
+  done
+  echo "$file"
+}
+
+# Unlike $0, $BASH_SOURCE points to the absolute path of this file.
+PROG_NAME="$(follow_links "$BASH_SOURCE")"
+
+# Handle the case where dart-sdk/bin has been symlinked to.
+CUR_DIR="$(cd "${PROG_NAME%/*}" ; pwd -P)"
+
+if [[ `uname` == 'Darwin' ]];
+then
+  OUT_DIR="$CUR_DIR"/../../xcodebuild/
+else
+  OUT_DIR="$CUR_DIR"/../../out/
+fi
+
+if [ -z "$DART_CONFIGURATION" ];
+then
+  DIRS=$( ls "$OUT_DIR" )
+  # list of possible configurations in decreasing desirability
+  CONFIGS=("ReleaseX64" "ReleaseIA32" "DebugX64" "DebugIA32"
+    "ReleaseARM"    "ReleaseARM64"    "ReleaseARMV5TE"
+    "DebugARM"      "DebugARM64"      "DebugARMV5TE")
+  DART_CONFIGURATION="None"
+  for CONFIG in ${CONFIGS[*]}
+  do
+    for DIR in $DIRS;
+    do
+      if [ "$CONFIG" = "$DIR" ];
+      then
+        # choose most desirable configuration that is available and break
+        DART_CONFIGURATION="$DIR"
+        break 2
+      fi
+    done
+  done
+  if [ "$DART_CONFIGURATION" = "None" ]
+  then
+    echo "No valid dart configuration found in $OUT_DIR"
+    exit 1
+  fi
+fi
+
+BIN_DIR="$OUT_DIR$DART_CONFIGURATION"
+
+exec "$BIN_DIR"/dart "$@"
diff --git a/sdk_nnbd/bin/dart.bat b/sdk_nnbd/bin/dart.bat
@@ -0,0 +1,16 @@
+@echo off
+REM Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+REM for details. All rights reserved. Use of this source code is governed by a
+REM BSD-style license that can be found in the LICENSE file.
+
+set SCRIPTPATH=%~dp0
+
+REM Does the path have a trailing slash? If so, remove it.
+if %SCRIPTPATH:~-1%== set SCRIPTPATH=%SCRIPTPATH:~0,-1%
+
+REM DART_CONFIGURATION defaults to ReleaseX64
+if "%DART_CONFIGURATION%"=="" set DART_CONFIGURATION=ReleaseX64
+
+set arguments=%*
+
+"%SCRIPTPATH%\..\..\out\%DART_CONFIGURATION%\dart.exe" %arguments%
diff --git a/sdk_nnbd/bin/dart2aot b/sdk_nnbd/bin/dart2aot
@@ -0,0 +1,111 @@
+#!/usr/bin/env bash
+# Copyright (c) 2019, the Dart project authors.  Please see the AUTHORS file
+# for details. All rights reserved. Use of this source code is governed by a
+# BSD-style license that can be found in the LICENSE file.
+
+# Script for generating AOT snapshot in two steps:
+# - Compilation to kernel with additional AOT specific transformations.
+# - Compilation of kernel into snapshot using gen_snapshot.
+
+# Parse incoming arguments and extract the value of --packages option if any
+# was passed. Split options (--xyz) and non-options into two separate arrays.
+# All options will be passed to gen_snapshot, while --packages will be
+# passed to the CFE (Common Front-End).
+
+set -e
+
+OPTIONS=()
+GEN_KERNEL_OPTIONS=()
+PACKAGES=
+BUILD_ELF=0
+
+ARGV=()
+for arg in "$@"; do
+  case $arg in
+    --packages=*)
+    PACKAGES="$arg"
+    ;;
+    --enable-asserts)
+    GEN_KERNEL_OPTIONS+=("$arg")
+    OPTIONS+=("$arg")
+    ;;
+    --tfa | \
+    --no-tfa | \
+    -D* )
+    GEN_KERNEL_OPTIONS+=("$arg")
+    ;;
+    --build-elf)
+    BUILD_ELF=1
+    ;;
+    --*)
+    OPTIONS+=("$arg")
+    ;;
+    *)
+    ARGV+=("$arg")
+    ;;
+  esac
+done
+
+if [ "${#ARGV[@]}" -ne 2 ]; then
+    echo "Usage: $0 [options] <dart-source-file> <dart-aot-file>"
+    echo ""
+    echo "Dart AOT (ahead-of-time) compile Dart source code into native machine code."
+    exit 1
+fi
+
+SOURCE_FILE="${ARGV[0]}"
+SNAPSHOT_FILE="${ARGV[1]}"
+
+if [ $BUILD_ELF -eq 1 ]; then
+  GEN_SNAPSHOT_OPTION="--snapshot-kind=app-aot-assembly"
+  GEN_SNAPSHOT_FILENAME="--assembly=${SNAPSHOT_FILE}.S"
+else
+  GEN_SNAPSHOT_OPTION="--snapshot-kind=app-aot-blobs"
+  GEN_SNAPSHOT_FILENAME="--blobs_container_filename=${SNAPSHOT_FILE}"
+fi
+
+function follow_links() {
+  file="$1"
+  while [ -h "$file" ]; do
+    # On Mac OS, readlink -f doesn't work.
+    file="$(readlink "$file")"
+  done
+  echo "$file"
+}
+
+# Unlike $0, $BASH_SOURCE points to the absolute path of this file.
+PROG_NAME="$(follow_links "$BASH_SOURCE")"
+
+# Handle the case where dart-sdk/bin has been symlinked to.
+BIN_DIR="$(cd "${PROG_NAME%/*}" ; pwd -P)"
+
+SDK_DIR="$(cd "${BIN_DIR}/.." ; pwd -P)"
+
+DART="$BIN_DIR/dart"
+GEN_SNAPSHOT="$BIN_DIR/utils/gen_snapshot"
+
+SNAPSHOT_DIR="$BIN_DIR/snapshots"
+SNAPSHOT="$SNAPSHOT_DIR/gen_kernel.dart.snapshot"
+
+# Step 1: Generate Kernel binary from the input Dart source.
+"$DART"                                                                        \
+     "${SNAPSHOT}"                                                             \
+     --platform "${SDK_DIR}/lib/_internal/vm_platform_strong.dill"             \
+     --aot                                                                     \
+     -Ddart.vm.product=true                                                    \
+     "${GEN_KERNEL_OPTIONS[@]}"                                                \
+     $PACKAGES                                                                 \
+     -o "$SNAPSHOT_FILE.dill"                                                  \
+     "$SOURCE_FILE"
+
+# Step 2: Generate snapshot from the Kernel binary.
+"$GEN_SNAPSHOT"                                                                \
+     "$GEN_SNAPSHOT_OPTION"                                                    \
+     "$GEN_SNAPSHOT_FILENAME"                                                  \
+     "${OPTIONS[@]}"                                                           \
+     "$SNAPSHOT_FILE.dill"
+
+# Step 3: Assemble the assembly file into an ELF object.
+if [ $BUILD_ELF -eq 1 ]; then
+    gcc -shared -o "$SNAPSHOT_FILE" "${SNAPSHOT_FILE}.S"
+fi
diff --git a/sdk_nnbd/bin/dart2aot.bat b/sdk_nnbd/bin/dart2aot.bat
@@ -0,0 +1,58 @@
+@echo off
+REM Copyright (c) 2019, the Dart project authors.  Please see the AUTHORS file
+REM for details. All rights reserved. Use of this source code is governed by a
+REM BSD-style license that can be found in the LICENSE file.
+
+setlocal
+rem Handle the case where dart-sdk/bin has been symlinked to.
+set DIR_NAME_WITH_SLASH=%~dp0
+set DIR_NAME=%DIR_NAME_WITH_SLASH:~0,-1%%
+call :follow_links "%DIR_NAME%", RETURNED_BIN_DIR
+rem Get rid of surrounding quotes.
+for %%i in ("%RETURNED_BIN_DIR%") do set BIN_DIR=%%~fi
+
+rem Get absolute full name for SDK_DIR.
+for %%i in ("%BIN_DIR%\..\") do set SDK_DIR=%%~fi
+
+rem Remove trailing backslash if there is one
+IF %SDK_DIR:~-1%==\ set SDK_DIR=%SDK_DIR:~0,-1%
+
+rem Get absolute full name for DART_ROOT.
+for %%i in ("%SDK_DIR%\..\") do set DART_ROOT=%%~fi
+
+rem Remove trailing backslash if there is one
+if %DART_ROOT:~-1%==\ set DART_ROOT=%DART_ROOT:~0,-1%
+
+set DART=%BIN_DIR%\dart.exe
+set GEN_KERNEL=%BIN_DIR%\snapshots\gen_kernel.dart.snapshot
+set VM_PLATFORM_STRONG=%SDK_DIR%\lib\_internal\vm_platform_strong.dill
+set GEN_SNAPSHOT=%BIN_DIR%\utils\gen_snapshot.exe
+
+set SOURCE_FILE=%1
+set SNAPSHOT_FILE=%2
+set GEN_SNAPSHOT_OPTION=--snapshot-kind=app-aot-blobs
+set GEN_SNAPSHOT_FILENAME=--blobs_container_filename=%SNAPSHOT_FILE%
+
+REM Step 1: Generate Kernel binary from the input Dart source.
+%DART% %GEN_KERNEL% --platform %VM_PLATFORM_STRONG% --aot -Ddart.vm.product=true -o %SNAPSHOT_FILE%.dill %SOURCE_FILE%
+
+REM Step 2: Generate snapshot from the Kernel binary.
+%GEN_SNAPSHOT% %GEN_SNAPSHOT_OPTION% %GEN_SNAPSHOT_FILENAME% %SNAPSHOT_FILE%.dill
+
+endlocal
+
+exit /b %errorlevel%
+
+:follow_links
+setlocal
+for %%i in (%1) do set result=%%~fi
+set current=
+for /f "usebackq tokens=2 delims=[]" %%i in (`dir /a:l "%~dp1" 2^>nul ^
+                                             ^| %SystemRoot%\System32\find.exe ">     %~n1 [" 2^>nul`) do (
+  set current=%%i
+)
+if not "%current%"=="" call :follow_links "%current%", result
+endlocal & set %~2=%result%
+goto :eof
+
+:end
diff --git a/sdk_nnbd/bin/dart2js b/sdk_nnbd/bin/dart2js
@@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+# Copyright (c) 2012, 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.
+
+function follow_links() {
+  file="$1"
+  while [ -h "$file" ]; do
+    # On Mac OS, readlink -f doesn't work.
+    file="$(readlink "$file")"
+  done
+  echo "$file"
+}
+
+# Unlike $0, $BASH_SOURCE points to the absolute path of this file.
+PROG_NAME="$(follow_links "$BASH_SOURCE")"
+
+# Handle the case where dart-sdk/bin has been symlinked to.
+BIN_DIR="$(cd "${PROG_NAME%/*}" ; pwd -P)"
+
+SDK_DIR="$(cd "${BIN_DIR}/.." ; pwd -P)"
+
+DART="$BIN_DIR/dart"
+
+unset EXTRA_OPTIONS
+declare -a EXTRA_OPTIONS
+
+if test -t 1; then
+  # Stdout is a terminal.
+  if test 8 -le `tput colors`; then
+    # Stdout has at least 8 colors, so enable colors.
+    EXTRA_OPTIONS+=('--enable-diagnostic-colors')
+  fi
+fi
+
+unset EXTRA_VM_OPTIONS
+declare -a EXTRA_VM_OPTIONS
+
+case $0 in
+  *_developer)
+    EXTRA_VM_OPTIONS+=('--enable-asserts')
+    ;;
+esac
+
+# We allow extra vm options to be passed in through an environment variable.
+if [[ $DART_VM_OPTIONS ]]; then
+  read -a OPTIONS <<< "$DART_VM_OPTIONS"
+  EXTRA_VM_OPTIONS+=("${OPTIONS[@]}")
+fi
+
+DART_ROOT="$(cd "${SDK_DIR}/.." ; pwd -P)"
+
+DART2JS="package:compiler/src/dart2js.dart"
+
+exec "$DART" "--packages=$DART_ROOT/.packages" "${EXTRA_VM_OPTIONS[@]}" "$DART2JS" "${EXTRA_OPTIONS[@]}" "$@"
diff --git a/sdk_nnbd/bin/dart2js.bat b/sdk_nnbd/bin/dart2js.bat
@@ -0,0 +1,60 @@
+@echo off
+REM Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+REM for details. All rights reserved. Use of this source code is governed by a
+REM BSD-style license that can be found in the LICENSE file.
+
+setlocal
+rem Handle the case where dart-sdk/bin has been symlinked to.
+set DIR_NAME_WITH_SLASH=%~dp0
+set DIR_NAME=%DIR_NAME_WITH_SLASH:~0,-1%%
+call :follow_links "%DIR_NAME%", RETURNED_BIN_DIR
+rem Get rid of surrounding quotes.
+for %%i in ("%RETURNED_BIN_DIR%") do set BIN_DIR=%%~fi
+
+rem Get absolute full name for SDK_DIR.
+for %%i in ("%BIN_DIR%\..\") do set SDK_DIR=%%~fi
+
+rem Remove trailing backslash if there is one
+IF %SDK_DIR:~-1%==\ set SDK_DIR=%SDK_DIR:~0,-1%
+
+set DART=%BIN_DIR%\dart
+
+set EXTRA_OPTIONS=
+set EXTRA_VM_OPTIONS=
+
+if _%DART2JS_DEVELOPER_MODE%_ == _1_ (
+  set EXTRA_VM_OPTIONS=%EXTRA_VM_OPTIONS% --enable-asserts
+)
+
+rem We allow extra vm options to be passed in through an environment variable.
+if not "_%DART_VM_OPTIONS%_" == "__" (
+  set EXTRA_VM_OPTIONS=%EXTRA_VM_OPTIONS% %DART_VM_OPTIONS%
+)
+
+rem Get absolute full name for DART_ROOT.
+for %%i in ("%SDK_DIR%\..\") do set DART_ROOT=%%~fi
+
+rem Remove trailing backslash if there is one
+if %DART_ROOT:~-1%==\ set DART_ROOT=%DART_ROOT:~0,-1%
+
+set DART2JS=%DART_ROOT%\pkg\compiler\lib\src\dart2js.dart
+
+"%DART%" "--packages=%DART_ROOT%\.packages" %EXTRA_VM_OPTIONS% "%DART2JS%" %EXTRA_OPTIONS% %*
+
+endlocal
+
+exit /b %errorlevel%
+
+:follow_links
+setlocal
+for %%i in (%1) do set result=%%~fi
+set current=
+for /f "usebackq tokens=2 delims=[]" %%i in (`dir /a:l "%~dp1" 2^>nul ^
+                                             ^| %SystemRoot%\System32\find.exe ">     %~n1 [" 2^>nul`) do (
+  set current=%%i
+)
+if not "%current%"=="" call :follow_links "%current%", result
+endlocal & set %~2=%result%
+goto :eof
+
+:end