move_ddc_runtime_js_to_dart.sh

move_ddc_runtime_js_to_dart.sh

# {rtti,types,classes,errors,generators,operations,runtime}
for lib in rtti types classes errors generators operations runtime ; do
  #_internal/compiler/js_lib/runtime.dart
  js=lib/runtime/dart/_$lib.js
  dart=tool/input_sdk/private/$lib.dart
  if [[ ! -f $dart || "$FORCE" == "1" ]]; then
    # ( cat $js | grep '\.\.\.' > /dev/null ) ||
    cat $js | \
      # egrep -v '^  exports.' |
      egrep -v "'use strict'" | \
      egrep -v 'const assert = ' | \
      sed -E "s/^dart_library.library\('dart\/([^']+)'.*/library dart.\1;/" | \
      sed -E "s/^  'dart\/_([^']+)',?/import '\1.dart';/" | \
      egrep -v "^  'dart/core'," | \
      sed -E "s/\], \/\* Lazy Imports \*\/\[/import 'dart:_foreign_helper' show JS;/" | \
      sed -E 's/^\], (function\(exports,.*)$/\/\/ \1/' | \
      sed -E 's/\$/\\\$/' | \
      sed -E 's/^});//' | \
      sed -E 's/^  (\/\*\*| \*| \*\/)/  \/\/\//' | \
      sed -E 's/^  (exports\..*)$/  \/\/ \1/' | \
      sed -E "s/^  (let|const) ([^ ]+) = Symbol\('([^']+)'\);/  final \2 = JS('', 'Symbol(\"\3\")');/" | \
      sed -E "s/^  (let|const) ([^ ]+) = ([^;]+);/  final \2 = JS('', '\3');/" | \
      sed -E 's/^  function ([a-zA-Z_]+) *\(([^)]*)\)\s*/  \1(\2) => JS\('"''"', '"'''"'(() =>/' | \
      sed -E 's/^  \}$/  })()'"'''"');/' \
      > $dart
  fi
done