Remove dart backend

test/dart_codegen/expect/convert/string_conversion.dart

-part of dart.convert;
- abstract class StringConversionSink extends ChunkedConversionSink<String> {StringConversionSink();
- factory StringConversionSink.withCallback(void callback(String accumulated)) = _StringCallbackSink;
- factory StringConversionSink.from(Sink<String> sink) = _StringAdapterSink;
- factory StringConversionSink.fromStringSink(StringSink sink) = _StringSinkConversionSink;
- void addSlice(String chunk, int start, int end, bool isLast);
- ByteConversionSink asUtf8Sink(bool allowMalformed);
- ClosableStringSink asStringSink();
-}
- abstract class ClosableStringSink extends StringSink {factory ClosableStringSink.fromStringSink(StringSink sink, void onClose()) = _ClosableStringSink;
- void close();
-}
- typedef void _StringSinkCloseCallback();
- class _ClosableStringSink implements ClosableStringSink {final _StringSinkCloseCallback _callback;
- final StringSink _sink;
- _ClosableStringSink(this._sink, this._callback);
- void close() => _callback();
- void writeCharCode(int charCode) => _sink.writeCharCode(charCode);
- void write(Object o) => _sink.write(o);
- void writeln([Object o = ""]) => _sink.writeln(o);
- void writeAll(Iterable objects, [String separator = ""]) => _sink.writeAll(objects, separator);
-}
- class _StringConversionSinkAsStringSinkAdapter implements ClosableStringSink {static const _MIN_STRING_SIZE = 16;
- StringBuffer _buffer;
- StringConversionSink _chunkedSink;
- _StringConversionSinkAsStringSinkAdapter(this._chunkedSink) : _buffer = new StringBuffer();
- void close() {
-if (_buffer.isNotEmpty) _flush();
- _chunkedSink.close();
-}
- void writeCharCode(int charCode) {
-_buffer.writeCharCode(charCode);
- if (_buffer.length > _MIN_STRING_SIZE) _flush();
-}
- void write(Object o) {
-if (_buffer.isNotEmpty) _flush();
- String str = o.toString();
- _chunkedSink.add(o.toString());
-}
- void writeln([Object o = ""]) {
-_buffer.writeln(o);
- if (_buffer.length > _MIN_STRING_SIZE) _flush();
-}
- void writeAll(Iterable objects, [String separator = ""]) {
-if (_buffer.isNotEmpty) _flush();
- Iterator iterator = objects.iterator;
- if (!iterator.moveNext()) return; if (separator.isEmpty) {
-do {
-_chunkedSink.add(iterator.current.toString());
-}
- while (iterator.moveNext());}
- else {
-_chunkedSink.add(iterator.current.toString());
- while (iterator.moveNext()) {
-write(separator);
- _chunkedSink.add(iterator.current.toString());
-}
-}
-}
- void _flush() {
-String accumulated = _buffer.toString();
- _buffer.clear();
- _chunkedSink.add(accumulated);
-}
-}
- abstract class StringConversionSinkBase extends StringConversionSinkMixin {}
- abstract class StringConversionSinkMixin implements StringConversionSink {void addSlice(String str, int start, int end, bool isLast);
- void close();
- void add(String str) => addSlice(str, 0, str.length, false);
- ByteConversionSink asUtf8Sink(bool allowMalformed) {
-return new _Utf8ConversionSink(this, allowMalformed);
-}
- ClosableStringSink asStringSink() {
-return new _StringConversionSinkAsStringSinkAdapter(this);
-}
-}
- class _StringSinkConversionSink extends StringConversionSinkBase {StringSink _stringSink;
- _StringSinkConversionSink(StringSink this._stringSink);
- void close() {
-}
- void addSlice(String str, int start, int end, bool isLast) {
-if (start != 0 || end != str.length) {
-for (int i = start; i < end; i++) {
-_stringSink.writeCharCode(str.codeUnitAt(i));
-}
-}
- else {
-_stringSink.write(str);
-}
- if (isLast) close();
-}
- void add(String str) => _stringSink.write(str);
- ByteConversionSink asUtf8Sink(bool allowMalformed) {
-return new _Utf8StringSinkAdapter(this, _stringSink, allowMalformed);
-}
- ClosableStringSink asStringSink() {
-return new ClosableStringSink.fromStringSink(_stringSink, this.close);
-}
-}
- class _StringCallbackSink extends _StringSinkConversionSink {final _ChunkedConversionCallback<String> _callback;
- _StringCallbackSink(this._callback) : super(new StringBuffer());
- void close() {
-StringBuffer buffer = DEVC$RT.cast(_stringSink, StringSink, StringBuffer, "AssignmentCast", """line 233, column 27 of dart:convert/string_conversion.dart: """, _stringSink is StringBuffer, true);
- String accumulated = buffer.toString();
- buffer.clear();
- _callback(accumulated);
-}
- ByteConversionSink asUtf8Sink(bool allowMalformed) {
-return new _Utf8StringSinkAdapter(this, _stringSink, allowMalformed);
-}
-}
- class _StringAdapterSink extends StringConversionSinkBase {final Sink<String> _sink;
- _StringAdapterSink(this._sink);
- void add(String str) => _sink.add(str);
- void addSlice(String str, int start, int end, bool isLast) {
-if (start == 0 && end == str.length) {
-add(str);
-}
- else {
-add(str.substring(start, end));
-}
- if (isLast) close();
-}
- void close() => _sink.close();
-}
- class _Utf8StringSinkAdapter extends ByteConversionSink {final _Utf8Decoder _decoder;
- final Sink _sink;
- _Utf8StringSinkAdapter(this._sink, StringSink stringSink, bool allowMalformed) : _decoder = new _Utf8Decoder(stringSink, allowMalformed);
- void close() {
-_decoder.close();
- if (_sink != null) _sink.close();
-}
- void add(List<int> chunk) {
-addSlice(chunk, 0, chunk.length, false);
-}
- void addSlice(List<int> codeUnits, int startIndex, int endIndex, bool isLast) {
-_decoder.convert(codeUnits, startIndex, endIndex);
- if (isLast) close();
-}
-}
- class _Utf8ConversionSink extends ByteConversionSink {final _Utf8Decoder _decoder;
- final StringConversionSink _chunkedSink;
- final StringBuffer _buffer;
- _Utf8ConversionSink(StringConversionSink sink, bool allowMalformed) : this._(sink, new StringBuffer(), allowMalformed);
- _Utf8ConversionSink._(this._chunkedSink, StringBuffer stringBuffer, bool allowMalformed) : _decoder = new _Utf8Decoder(stringBuffer, allowMalformed), _buffer = stringBuffer;
- void close() {
-_decoder.close();
- if (_buffer.isNotEmpty) {
-String accumulated = _buffer.toString();
- _buffer.clear();
- _chunkedSink.addSlice(accumulated, 0, accumulated.length, true);
-}
- else {
-_chunkedSink.close();
-}
-}
- void add(List<int> chunk) {
-addSlice(chunk, 0, chunk.length, false);
-}
- void addSlice(List<int> chunk, int startIndex, int endIndex, bool isLast) {
-_decoder.convert(chunk, startIndex, endIndex);
- if (_buffer.isNotEmpty) {
-String accumulated = _buffer.toString();
- _chunkedSink.addSlice(accumulated, 0, accumulated.length, isLast);
- _buffer.clear();
- return;}
- if (isLast) close();
-}
-}