peg2 0.1.15 
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PEG+ (Parsing expression grammar) parser source code generator, command line tool.
// Generated by 'peg2'
// https://pub.dev/packages/peg2
void main() {
final parser = ExampleParser();
final result = parser.parse(_text);
if (parser.error != null) {
throw parser.error;
}
print(result);
}
final _text = '''
{"foo": "🚀start"}
''';
class ExampleParser {
static const _eof = 0x110000;
FormatException error;
int _c;
List<String> _failures;
int _fcount;
int _fposEnd;
int _fposMax;
int _fposStart;
List<int> _input;
List<bool> _memoizable;
List<List<_Memo>> _memos;
var _mresult;
int _pos;
bool _predicate;
dynamic _result;
bool _success;
String _text;
List<int> _trackCid;
List<int> _trackPos;
dynamic parse(String text) {
if (text == null) {
throw ArgumentError.notNull('text');
}
_text = text;
_input = _toRunes(text);
_reset();
final result = _parseJson(0, true);
_buildError();
_failures = null;
_input = null;
return result;
}
void _buildError() {
if (_success) {
error = null;
return;
}
String escape(int c) {
switch (c) {
case 10:
return r'\n';
case 13:
return r'\r';
case 09:
return r'\t';
case _eof:
return '';
}
return String.fromCharCode(c);
}
String getc(int position) {
if (position < _input.length) {
return "'${escape(_input[position])}'";
}
return 'end of file';
}
final temp = _failures.take(_fcount).toList();
temp.sort((e1, e2) => e1.compareTo(e2));
final terminals = temp.toSet();
final hasMalformed = _fposStart != _fposMax;
if (terminals.isNotEmpty) {
if (!hasMalformed) {
final sb = StringBuffer();
sb.write('Expected ');
sb.write(terminals.join(', '));
sb.write(' but found ');
sb.write(getc(_fposStart));
final message = sb.toString();
error = FormatException(message, _text, _fposStart);
} else {
final reason = _fposMax < _input.length ? 'Malformed' : 'Unterminated';
final sb = StringBuffer();
sb.write(reason);
sb.write(' ');
sb.write(terminals.join(', '));
final message = sb.toString();
error = FormatException(message, _text, _fposStart);
}
} else {
final sb = StringBuffer();
sb.write('Unexpected character ');
sb.write(getc(_fposStart));
final message = sb.toString();
error = FormatException(message, _text, _fposStart);
}
}
void _fail(int start, String name) {
if (_fposStart < start) {
_fposStart = start;
_fposMax = _fposEnd;
_fcount = 0;
} else if (_fposMax < _fposEnd) {
_fposStart = start;
_fposMax = _fposEnd;
_fcount = 0;
}
if (_fposStart == start && _fposEnd == _fposMax) {
if (_fcount >= _failures.length) {
_failures.length += 20;
}
_failures[_fcount++] = name;
}
}
int _matchRanges(List<int> ranges) {
int result;
_success = false;
for (var i = 0; i < ranges.length; i += 2) {
if (ranges[i] <= _c) {
if (ranges[i + 1] >= _c) {
result = _c;
_c = _input[_pos += _c <= 0xffff ? 1 : 2];
_success = true;
break;
}
} else {
break;
}
}
if (!_success && _fposEnd < _pos) {
_fposEnd = _pos;
}
return result;
}
String _matchString(String text) {
String result;
final length = text.length;
final rest = _text.length - _pos;
final count = length > rest ? rest : length;
var pos = _pos;
var i = 0;
for (; i < count; i++, pos++) {
if (text.codeUnitAt(i) != _text.codeUnitAt(pos)) {
break;
}
}
if (i == length) {
_c = _input[_pos += length];
_success = true;
result = text;
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
return result;
}
bool _memoized(int id, int cid) {
final memos = _memos[_pos];
if (memos != null) {
for (var i = 0; i < memos.length; i++) {
final memo = memos[i];
if (memo.id == id) {
_pos = memo.pos;
_mresult = memo.result;
_success = memo.success;
_c = _input[_pos];
return true;
}
}
}
if (_memoizable[cid] != null) {
return false;
}
var lastCid = _trackCid[id];
var lastPos = _trackPos[id];
_trackCid[id] = cid;
_trackPos[id] = _pos;
if (lastCid == null) {
return false;
}
if (lastPos == _pos) {
if (lastCid != cid) {
_memoizable[lastCid] = true;
_memoizable[cid] = false;
}
}
return false;
}
void _memoize(int id, int pos, result) {
var memos = _memos[pos];
if (memos == null) {
memos = [];
_memos[pos] = memos;
}
final memo = _Memo(
id: id,
pos: _pos,
result: result,
success: _success,
);
memos.add(memo);
}
void _reset() {
_c = _input[0];
_failures = [];
_failures.length = 20;
_fcount = 0;
_fposEnd = -1;
_fposMax = -1;
_fposStart = -1;
_memoizable = [];
_memoizable.length = 187;
_memos = [];
_memos.length = _input.length + 1;
_pos = 0;
_predicate = false;
_trackCid = [];
_trackCid.length = 187;
_trackPos = [];
_trackPos.length = 187;
}
List<int> _toRunes(String source) {
final length = source.length;
final result = List<int>(length + 1);
for (var pos = 0; pos < length;) {
int c;
final start = pos;
final leading = source.codeUnitAt(pos++);
if ((leading & 0xFC00) == 0xD800 && pos < length) {
final trailing = source.codeUnitAt(pos);
if ((trailing & 0xFC00) == 0xDC00) {
c = 0x10000 + ((leading & 0x3FF) << 10) + (trailing & 0x3FF);
pos++;
} else {
c = leading;
}
} else {
c = leading;
}
result[start] = c;
}
result[length] = 0x110000;
return result;
}
dynamic _parseJson(int $0, bool $1) {
dynamic $2;
dynamic $3;
dynamic $4;
var $5 = _c;
var $6 = _pos;
List<int> $7;
var $8 = _pos;
if (_c >= 9 && _c <= 10 || _c == 13 || _c == 32) {
var $9 = _parse_leading_spaces(3, false);
$7 = $9;
} else {
_success = true;
}
_success = true;
var $10 = _parseValue(4, $1);
if (_success) {
dynamic $11;
var $12 = _pos;
if (_c >= 0 && _c <= 1114112) {
var $13 = _parse_end_of_file(5, false);
$11 = $13;
} else {
_success = false;
_fail($12, '\'end of file\'');
}
if (_success) {
$4 = $10;
}
}
// NOP;
if (!_success) {
_c = $5;
_pos = $6;
}
$3 = $4;
$2 = $3;
return $2;
}
dynamic _parseValue(int $0, bool $1) {
dynamic $2;
dynamic $3;
for (;;) {
List $4;
var $5 = _parseArray(8, $1);
if (_success) {
$4 = $5;
$3 = $4;
break;
}
// NOP;
dynamic $6;
dynamic $7;
var $8 = _pos;
if (_c == 102) {
var $9 = _parse_false(10, $1);
$7 = $9;
} else {
_success = false;
_fail($8, '\'false\'');
}
if (_success) {
$6 = $7;
$3 = $6;
break;
}
// NOP;
dynamic $10;
dynamic $11;
var $12 = _pos;
if (_c == 110) {
var $13 = _parse_null(12, $1);
$11 = $13;
} else {
_success = false;
_fail($12, '\'null\'');
}
if (_success) {
$10 = $11;
$3 = $10;
break;
}
// NOP;
dynamic $14;
dynamic $15;
var $16 = _pos;
if (_c == 116) {
var $17 = _parse_true(14, $1);
$15 = $17;
} else {
_success = false;
_fail($16, '\'true\'');
}
if (_success) {
$14 = $15;
$3 = $14;
break;
}
// NOP;
Map<String, dynamic> $18;
var $19 = _parseObject(16, $1);
if (_success) {
$18 = $19;
$3 = $18;
break;
}
// NOP;
num $20;
num $21;
var $22 = _pos;
if (_c == 45 || _c >= 48 && _c <= 57) {
var $23 = _parse_number(18, $1);
$21 = $23;
} else {
_success = false;
_fail($22, '\'number\'');
}
if (_success) {
$20 = $21;
$3 = $20;
break;
}
// NOP;
String $24;
String $25;
var $26 = _pos;
if (_c == 34) {
var $27 = _parse_string(20, $1);
$25 = $27;
} else {
_success = false;
_fail($26, '\'string\'');
}
if (_success) {
$24 = $25;
$3 = $24;
}
// NOP;
break;
}
$2 = $3;
return $2;
}
List _parseArray(int $0, bool $1) {
List $2;
List $3;
List $4;
var $5 = _c;
var $6 = _pos;
String $7;
var $8 = _pos;
if (_c == 91) {
var $9 = _parse_$LeftSquareBracket(23, false);
$7 = $9;
} else {
_success = false;
_fail($8, '\'[\'');
}
if (_success) {
var $10 = _parseValues(25, $1);
_success = true;
String $11;
var $12 = _pos;
if (_c == 93) {
var $13 = _parse_$RightSquareBracket(26, false);
$11 = $13;
} else {
_success = false;
_fail($12, '\']\'');
}
if (_success) {
var v = $10;
List $$;
$$ = v ?? [];
$4 = $$;
}
// NOP;
}
if (!_success) {
_c = $5;
_pos = $6;
}
$3 = $4;
$2 = $3;
return $2;
}
List _parseValues(int $0, bool $1) {
List $2;
List $3;
List $4;
var $5 = _c;
var $6 = _pos;
var $7 = _parseValue(29, $1);
if (_success) {
List $8;
if ($1) {
$8 = [];
}
for (;;) {
dynamic $9;
dynamic $10;
var $11 = _c;
var $12 = _pos;
String $13;
var $14 = _pos;
if (_c == 44) {
var $15 = _parse_$Comma(33, false);
$13 = $15;
} else {
_success = false;
_fail($14, '\',\'');
}
if (_success) {
var $16 = _parseValue(34, $1);
if (_success) {
$10 = $16;
}
}
if (!_success) {
_c = $11;
_pos = $12;
}
$9 = $10;
if (!_success) {
break;
}
if ($1) {
$8.add($9);
}
}
_success = true;
{
var v = $7;
var n = $8;
List $$;
$$ = [v, ...n];
$4 = $$;
}
// NOP;
}
if (!_success) {
_c = $5;
_pos = $6;
}
$3 = $4;
$2 = $3;
return $2;
}
Map<String, dynamic> _parseObject(int $0, bool $1) {
Map<String, dynamic> $2;
Map<String, dynamic> $3;
Map<String, dynamic> $4;
var $5 = _c;
var $6 = _pos;
String $7;
var $8 = _pos;
if (_c == 123) {
var $9 = _parse_$LeftBrace(37, false);
$7 = $9;
} else {
_success = false;
_fail($8, '\'{\'');
}
if (_success) {
var $10 = _parseMembers(39, $1);
_success = true;
String $11;
var $12 = _pos;
if (_c == 125) {
var $13 = _parse_$RightBrace(40, false);
$11 = $13;
} else {
_success = false;
_fail($12, '\'}\'');
}
if (_success) {
var m = $10;
Map<String, dynamic> $$;
$$ = <String, dynamic>{}..addEntries(m ?? []);
$4 = $$;
}
// NOP;
}
if (!_success) {
_c = $5;
_pos = $6;
}
$3 = $4;
$2 = $3;
return $2;
}
List<MapEntry<String, dynamic>> _parseMembers(int $0, bool $1) {
List<MapEntry<String, dynamic>> $2;
List<MapEntry<String, dynamic>> $3;
List<MapEntry<String, dynamic>> $4;
var $5 = _c;
var $6 = _pos;
var $7 = _parseMember(43, $1);
if (_success) {
List<MapEntry<String, dynamic>> $8;
if ($1) {
$8 = [];
}
for (;;) {
MapEntry<String, dynamic> $9;
MapEntry<String, dynamic> $10;
var $11 = _c;
var $12 = _pos;
String $13;
var $14 = _pos;
if (_c == 44) {
var $15 = _parse_$Comma(47, false);
$13 = $15;
} else {
_success = false;
_fail($14, '\',\'');
}
if (_success) {
var $16 = _parseMember(48, $1);
if (_success) {
$10 = $16;
}
}
if (!_success) {
_c = $11;
_pos = $12;
}
$9 = $10;
if (!_success) {
break;
}
if ($1) {
$8.add($9);
}
}
_success = true;
{
var m = $7;
var n = $8;
List<MapEntry<String, dynamic>> $$;
$$ = [m, ...n];
$4 = $$;
}
// NOP;
}
if (!_success) {
_c = $5;
_pos = $6;
}
$3 = $4;
$2 = $3;
return $2;
}
MapEntry<String, dynamic> _parseMember(int $0, bool $1) {
MapEntry<String, dynamic> $2;
MapEntry<String, dynamic> $3;
MapEntry<String, dynamic> $4;
var $5 = _c;
var $6 = _pos;
String $7;
var $8 = _pos;
if (_c == 34) {
var $9 = _parse_string(51, $1);
$7 = $9;
} else {
_success = false;
_fail($8, '\'string\'');
}
if (_success) {
String $10;
var $11 = _pos;
if (_c == 58) {
var $12 = _parse_$Colon(52, false);
$10 = $12;
} else {
_success = false;
_fail($11, '\':\'');
}
if (_success) {
var $13 = _parseValue(53, $1);
if (_success) {
var k = $7;
var v = $13;
MapEntry<String, dynamic> $$;
$$ = MapEntry(k, v);
$4 = $$;
}
}
}
if (!_success) {
_c = $5;
_pos = $6;
}
$3 = $4;
$2 = $3;
return $2;
}
dynamic _parse_end_of_file(int $0, bool $1) {
dynamic $2;
dynamic $3;
_fposEnd = -1;
var $4 = _pos;
dynamic $5;
var $6 = _c;
var $7 = _pos;
var $8 = _predicate;
var $9 = $1;
_predicate = true;
$1 = false;
int $10;
_success = _c < _eof;
if (_success) {
$10 = _c;
_c = _input[_pos += _c <= 65535 ? 1 : 2];
} else {
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
var $11;
_success = !_success;
_c = $6;
_pos = $7;
_predicate = $8;
$1 = $9;
if (_success) {
$5 = $11;
}
$3 = $5;
if (!_success) {
_fail($4, '\'end of file\'');
}
$2 = $3;
return $2;
}
dynamic _parse_false(int $0, bool $1) {
dynamic $2;
dynamic $3;
_fposEnd = -1;
var $4 = _pos;
dynamic $5;
var $6 = _c;
var $7 = _pos;
String $8;
if (_c == 102) {
$8 = _matchString('false');
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
List<int> $9;
var $10 = _pos;
if (_c >= 9 && _c <= 10 || _c == 13 || _c == 32) {
var $11 = _parse$$spacing(61, false);
$9 = $11;
} else {
_success = true;
}
if (_success) {
dynamic $$;
$$ = false;
$5 = $$;
}
}
if (!_success) {
_c = $6;
_pos = $7;
}
$3 = $5;
if (!_success) {
_fail($4, '\'false\'');
}
$2 = $3;
return $2;
}
List<int> _parse_leading_spaces(int $0, bool $1) {
List<int> $2;
List<int> $3;
_fposEnd = -1;
var $4 = _pos;
List<int> $5;
List<int> $6;
var $7 = _pos;
if (_c >= 9 && _c <= 10 || _c == 13 || _c == 32) {
var $8 = _parse$$spacing(64, false);
$6 = $8;
} else {
_success = true;
}
if (_success) {
$5 = $6;
}
$3 = $5;
if (!_success) {
_fail($4, '\'leading spaces\'');
}
$2 = $3;
return $2;
}
dynamic _parse_null(int $0, bool $1) {
dynamic $2;
dynamic $3;
_fposEnd = -1;
var $4 = _pos;
dynamic $5;
var $6 = _c;
var $7 = _pos;
String $8;
if (_c == 110) {
$8 = _matchString('null');
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
List<int> $9;
var $10 = _pos;
if (_c >= 9 && _c <= 10 || _c == 13 || _c == 32) {
var $11 = _parse$$spacing(68, false);
$9 = $11;
} else {
_success = true;
}
if (_success) {
dynamic $$;
$$ = null;
$5 = $$;
}
}
if (!_success) {
_c = $6;
_pos = $7;
}
$3 = $5;
if (!_success) {
_fail($4, '\'null\'');
}
$2 = $3;
return $2;
}
dynamic _parse_true(int $0, bool $1) {
dynamic $2;
dynamic $3;
_fposEnd = -1;
var $4 = _pos;
dynamic $5;
var $6 = _c;
var $7 = _pos;
String $8;
if (_c == 116) {
$8 = _matchString('true');
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
List<int> $9;
var $10 = _pos;
if (_c >= 9 && _c <= 10 || _c == 13 || _c == 32) {
var $11 = _parse$$spacing(72, false);
$9 = $11;
} else {
_success = true;
}
if (_success) {
dynamic $$;
$$ = true;
$5 = $$;
}
}
if (!_success) {
_c = $6;
_pos = $7;
}
$3 = $5;
if (!_success) {
_fail($4, '\'true\'');
}
$2 = $3;
return $2;
}
String _parse_string(int $0, bool $1) {
String $2;
String $3;
_fposEnd = -1;
var $4 = _pos;
String $5;
var $6 = _c;
var $7 = _pos;
String $8;
_success = _c == 34;
if (_success) {
$8 = '\"';
_c = _input[++_pos];
} else {
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
List<int> $9;
if ($1) {
$9 = [];
}
for (;;) {
int $10;
var $11 = _pos;
if (_c >= 32 && _c <= 33 || _c >= 35 && _c <= 1114111) {
var $12 = _parse$$char(77, $1);
$10 = $12;
} else {
_success = false;
}
if (!_success) {
break;
}
if ($1) {
$9.add($10);
}
}
_success = true;
String $13;
_success = _c == 34;
if (_success) {
$13 = '\"';
_c = _input[++_pos];
} else {
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
List<int> $14;
var $15 = _pos;
if (_c >= 9 && _c <= 10 || _c == 13 || _c == 32) {
var $16 = _parse$$spacing(79, false);
$14 = $16;
} else {
_success = true;
}
if (_success) {
var c = $9;
String $$;
$$ = String.fromCharCodes(c);
$5 = $$;
}
}
// NOP;
}
if (!_success) {
_c = $6;
_pos = $7;
}
$3 = $5;
if (!_success) {
_fail($4, '\'string\'');
}
$2 = $3;
return $2;
}
num _parse_number(int $0, bool $1) {
num $2;
num $3;
_fposEnd = -1;
var $4 = _pos;
num $5;
var $6 = _c;
var $7 = _pos;
String $8;
var $9 = _pos;
var $10 = $1;
$1 = false;
int $11;
int $12;
var $13 = _c;
var $14 = _pos;
int $15;
if (_c == 45) {
_success = true;
$15 = _c;
_c = _input[_pos += _c <= 65535 ? 1 : 2];
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
_success = true;
int $16;
for (;;) {
int $17;
int $18;
if (_c == 48) {
_success = true;
$18 = _c;
_c = _input[_pos += _c <= 65535 ? 1 : 2];
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
$17 = $18;
$16 = $17;
break;
}
// NOP;
int $19;
var $20 = _c;
var $21 = _pos;
int $22;
if (_c >= 49 && _c <= 57) {
_success = true;
$22 = _c;
_c = _input[_pos += _c <= 65535 ? 1 : 2];
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
List<int> $23;
for (;;) {
int $24;
if (_c >= 48 && _c <= 57) {
_success = true;
$24 = _c;
_c = _input[_pos += _c <= 65535 ? 1 : 2];
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (!_success) {
break;
}
}
_success = true;
$19 = $22;
// NOP;
}
if (!_success) {
_c = $20;
_pos = $21;
} else {
$16 = $19;
}
// NOP;
break;
}
if (_success) {
int $25;
int $26;
var $27 = _c;
var $28 = _pos;
int $29;
if (_c == 46) {
_success = true;
$29 = _c;
_c = _input[_pos += _c <= 65535 ? 1 : 2];
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
List<int> $30;
var $31 = false;
for (;;) {
int $32;
if (_c >= 48 && _c <= 57) {
_success = true;
$32 = _c;
_c = _input[_pos += _c <= 65535 ? 1 : 2];
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (!_success) {
_success = $31;
if (!_success) {
$30 = null;
}
break;
}
$31 = true;
}
if (_success) {
$26 = $29;
}
}
if (!_success) {
_c = $27;
_pos = $28;
}
$25 = $26;
_success = true;
int $33;
int $34;
var $35 = _c;
var $36 = _pos;
int $37;
if (_c == 69 || _c == 101) {
_success = true;
$37 = _c;
_c = _input[_pos += _c <= 65535 ? 1 : 2];
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
List<int> $38;
var $39 = false;
for (;;) {
int $40;
if (_c == 32 || _c >= 43 && _c <= 93) {
_success = true;
$40 = _c;
_c = _input[_pos += _c <= 65535 ? 1 : 2];
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (!_success) {
_success = $39;
if (!_success) {
$38 = null;
}
break;
}
$39 = true;
}
if (_success) {
$34 = $37;
}
}
if (!_success) {
_c = $35;
_pos = $36;
}
$33 = $34;
_success = true;
$12 = $15;
// NOP;
// NOP;
}
// NOP;
if (!_success) {
_c = $13;
_pos = $14;
}
$11 = $12;
if (_success) {
$8 = _text.substring($9, _pos);
}
$1 = $10;
if (_success) {
List<int> $41;
var $42 = _pos;
if (_c >= 9 && _c <= 10 || _c == 13 || _c == 32) {
var $43 = _parse$$spacing(106, false);
$41 = $43;
} else {
_success = true;
}
if (_success) {
var n = $8;
num $$;
$$ = num.parse(n);
$5 = $$;
}
}
if (!_success) {
_c = $6;
_pos = $7;
}
$3 = $5;
if (!_success) {
_fail($4, '\'number\'');
}
$2 = $3;
return $2;
}
String _parse_$LeftBrace(int $0, bool $1) {
String $2;
String $3;
_fposEnd = -1;
var $4 = _pos;
String $5;
var $6 = _c;
var $7 = _pos;
String $8;
_success = _c == 123;
if (_success) {
$8 = '{';
_c = _input[++_pos];
} else {
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
List<int> $9;
var $10 = _pos;
if (_c >= 9 && _c <= 10 || _c == 13 || _c == 32) {
var $11 = _parse$$spacing(110, false);
$9 = $11;
} else {
_success = true;
}
if (_success) {
$5 = $8;
}
}
if (!_success) {
_c = $6;
_pos = $7;
}
$3 = $5;
if (!_success) {
_fail($4, '\'{\'');
}
$2 = $3;
return $2;
}
String _parse_$RightBrace(int $0, bool $1) {
String $2;
String $3;
_fposEnd = -1;
var $4 = _pos;
String $5;
var $6 = _c;
var $7 = _pos;
String $8;
_success = _c == 125;
if (_success) {
$8 = '}';
_c = _input[++_pos];
} else {
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
List<int> $9;
var $10 = _pos;
if (_c >= 9 && _c <= 10 || _c == 13 || _c == 32) {
var $11 = _parse$$spacing(114, false);
$9 = $11;
} else {
_success = true;
}
if (_success) {
$5 = $8;
}
}
if (!_success) {
_c = $6;
_pos = $7;
}
$3 = $5;
if (!_success) {
_fail($4, '\'}\'');
}
$2 = $3;
return $2;
}
String _parse_$LeftSquareBracket(int $0, bool $1) {
String $2;
String $3;
_fposEnd = -1;
var $4 = _pos;
String $5;
var $6 = _c;
var $7 = _pos;
String $8;
_success = _c == 91;
if (_success) {
$8 = '[';
_c = _input[++_pos];
} else {
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
List<int> $9;
var $10 = _pos;
if (_c >= 9 && _c <= 10 || _c == 13 || _c == 32) {
var $11 = _parse$$spacing(118, false);
$9 = $11;
} else {
_success = true;
}
if (_success) {
$5 = $8;
}
}
if (!_success) {
_c = $6;
_pos = $7;
}
$3 = $5;
if (!_success) {
_fail($4, '\'[\'');
}
$2 = $3;
return $2;
}
String _parse_$RightSquareBracket(int $0, bool $1) {
String $2;
String $3;
_fposEnd = -1;
var $4 = _pos;
String $5;
var $6 = _c;
var $7 = _pos;
String $8;
_success = _c == 93;
if (_success) {
$8 = ']';
_c = _input[++_pos];
} else {
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
List<int> $9;
var $10 = _pos;
if (_c >= 9 && _c <= 10 || _c == 13 || _c == 32) {
var $11 = _parse$$spacing(122, false);
$9 = $11;
} else {
_success = true;
}
if (_success) {
$5 = $8;
}
}
if (!_success) {
_c = $6;
_pos = $7;
}
$3 = $5;
if (!_success) {
_fail($4, '\']\'');
}
$2 = $3;
return $2;
}
String _parse_$Comma(int $0, bool $1) {
String $2;
String $3;
_fposEnd = -1;
var $4 = _pos;
String $5;
var $6 = _c;
var $7 = _pos;
String $8;
_success = _c == 44;
if (_success) {
$8 = ',';
_c = _input[++_pos];
} else {
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
List<int> $9;
var $10 = _pos;
if (_c >= 9 && _c <= 10 || _c == 13 || _c == 32) {
var $11 = _parse$$spacing(126, false);
$9 = $11;
} else {
_success = true;
}
if (_success) {
$5 = $8;
}
}
if (!_success) {
_c = $6;
_pos = $7;
}
$3 = $5;
if (!_success) {
_fail($4, '\',\'');
}
$2 = $3;
return $2;
}
String _parse_$Colon(int $0, bool $1) {
String $2;
String $3;
_fposEnd = -1;
var $4 = _pos;
String $5;
var $6 = _c;
var $7 = _pos;
String $8;
_success = _c == 58;
if (_success) {
$8 = ':';
_c = _input[++_pos];
} else {
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
List<int> $9;
var $10 = _pos;
if (_c >= 9 && _c <= 10 || _c == 13 || _c == 32) {
var $11 = _parse$$spacing(130, false);
$9 = $11;
} else {
_success = true;
}
if (_success) {
$5 = $8;
}
}
if (!_success) {
_c = $6;
_pos = $7;
}
$3 = $5;
if (!_success) {
_fail($4, '\':\'');
}
$2 = $3;
return $2;
}
int _parse$$digit(int $0, bool $1) {
int $2;
int $3;
int $4;
int $5;
if (_c >= 48 && _c <= 57) {
_success = true;
$5 = _c;
_c = _input[_pos += _c <= 65535 ? 1 : 2];
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
int $$;
$$ = $$ - 48;
$4 = $$;
}
$3 = $4;
$2 = $3;
return $2;
}
int _parse$$digit1_9(int $0, bool $1) {
int $2;
int $3;
int $4;
int $5;
if (_c >= 49 && _c <= 57) {
_success = true;
$5 = _c;
_c = _input[_pos += _c <= 65535 ? 1 : 2];
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
int $$;
$$ = $$ - 48;
$4 = $$;
}
$3 = $4;
$2 = $3;
return $2;
}
int _parse$$char(int $0, bool $1) {
int $2;
int $3;
for (;;) {
int $4;
var $5 = _c;
var $6 = _pos;
int $7;
if (_c == 92) {
_success = true;
$7 = _c;
_c = _input[_pos += _c <= 65535 ? 1 : 2];
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
int $8;
var $9 = _pos;
if (_c == 34 ||
_c == 47 ||
_c == 92 ||
_c == 98 ||
_c == 102 ||
_c == 110 ||
_c == 114 ||
_c >= 116 && _c <= 117) {
var $10 = _parse$$escaped(140, $1);
$8 = $10;
} else {
_success = false;
}
if (_success) {
$4 = $8;
}
}
if (!_success) {
_c = $5;
_pos = $6;
} else {
$3 = $4;
break;
}
// NOP;
int $11;
int $12;
var $13 = _pos;
if (_c >= 32 && _c <= 33 ||
_c >= 35 && _c <= 91 ||
_c >= 93 && _c <= 1114111) {
var $14 = _parse$$unescaped(142, $1);
$12 = $14;
} else {
_success = false;
}
if (_success) {
$11 = $12;
$3 = $11;
}
// NOP;
break;
}
$2 = $3;
return $2;
}
int _parse$$escaped(int $0, bool $1) {
int $2;
int $3;
for (;;) {
int $4;
int $5;
if (_c == 34) {
_success = true;
$5 = _c;
_c = _input[_pos += _c <= 65535 ? 1 : 2];
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
$4 = $5;
$3 = $4;
break;
}
// NOP;
int $6;
int $7;
if (_c == 92) {
_success = true;
$7 = _c;
_c = _input[_pos += _c <= 65535 ? 1 : 2];
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
$6 = $7;
$3 = $6;
break;
}
// NOP;
int $8;
int $9;
if (_c == 47) {
_success = true;
$9 = _c;
_c = _input[_pos += _c <= 65535 ? 1 : 2];
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
$8 = $9;
$3 = $8;
break;
}
// NOP;
int $10;
int $11;
if (_c == 98) {
_success = true;
$11 = _c;
_c = _input[_pos += _c <= 65535 ? 1 : 2];
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
int $$;
$$ = 0x8;
$10 = $$;
}
if (_success) {
$3 = $10;
break;
}
int $12;
int $13;
if (_c == 102) {
_success = true;
$13 = _c;
_c = _input[_pos += _c <= 65535 ? 1 : 2];
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
int $$;
$$ = 0xC;
$12 = $$;
}
if (_success) {
$3 = $12;
break;
}
int $14;
int $15;
if (_c == 110) {
_success = true;
$15 = _c;
_c = _input[_pos += _c <= 65535 ? 1 : 2];
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
int $$;
$$ = 0xA;
$14 = $$;
}
if (_success) {
$3 = $14;
break;
}
int $16;
int $17;
if (_c == 114) {
_success = true;
$17 = _c;
_c = _input[_pos += _c <= 65535 ? 1 : 2];
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
int $$;
$$ = 0xD;
$16 = $$;
}
if (_success) {
$3 = $16;
break;
}
int $18;
int $19;
if (_c == 116) {
_success = true;
$19 = _c;
_c = _input[_pos += _c <= 65535 ? 1 : 2];
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
int $$;
$$ = 0x9;
$18 = $$;
}
if (_success) {
$3 = $18;
break;
}
int $20;
var $21 = _c;
var $22 = _pos;
int $23;
if (_c == 117) {
_success = true;
$23 = _c;
_c = _input[_pos += _c <= 65535 ? 1 : 2];
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
int $24;
var $25 = _pos;
if (_c >= 48 && _c <= 57 ||
_c >= 65 && _c <= 70 ||
_c >= 97 && _c <= 102) {
var $26 = _parse$$hexdig4(162, $1);
$24 = $26;
} else {
_success = false;
}
if (_success) {
$20 = $24;
}
}
if (!_success) {
_c = $21;
_pos = $22;
} else {
$3 = $20;
}
// NOP;
break;
}
$2 = $3;
return $2;
}
int _parse$$hexdig4(int $0, bool $1) {
int $2;
int $3;
int $4;
var $5 = _c;
var $6 = _pos;
int $7;
var $8 = _pos;
if (_c >= 48 && _c <= 57 || _c >= 65 && _c <= 70 || _c >= 97 && _c <= 102) {
var $9 = _parse$$hexdig(165, $1);
$7 = $9;
} else {
_success = false;
}
if (_success) {
int $10;
var $11 = _pos;
if (_c >= 48 && _c <= 57 ||
_c >= 65 && _c <= 70 ||
_c >= 97 && _c <= 102) {
var $12 = _parse$$hexdig(166, $1);
$10 = $12;
} else {
_success = false;
}
if (_success) {
int $13;
var $14 = _pos;
if (_c >= 48 && _c <= 57 ||
_c >= 65 && _c <= 70 ||
_c >= 97 && _c <= 102) {
var $15 = _parse$$hexdig(167, $1);
$13 = $15;
} else {
_success = false;
}
if (_success) {
int $16;
var $17 = _pos;
if (_c >= 48 && _c <= 57 ||
_c >= 65 && _c <= 70 ||
_c >= 97 && _c <= 102) {
var $18 = _parse$$hexdig(168, $1);
$16 = $18;
} else {
_success = false;
}
if (_success) {
var a = $7;
var b = $10;
var c = $13;
var d = $16;
int $$;
$$ = a * 0xfff + b * 0xff + c * 0xf + d;
$4 = $$;
}
}
}
}
if (!_success) {
_c = $5;
_pos = $6;
}
$3 = $4;
$2 = $3;
return $2;
}
int _parse$$hexdig(int $0, bool $1) {
int $2;
int $3;
for (;;) {
int $4;
int $5;
if (_c >= 97 && _c <= 102) {
_success = true;
$5 = _c;
_c = _input[_pos += _c <= 65535 ? 1 : 2];
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
int $$;
$$ = $$ - 97;
$4 = $$;
}
if (_success) {
$3 = $4;
break;
}
int $6;
int $7;
if (_c >= 65 && _c <= 70) {
_success = true;
$7 = _c;
_c = _input[_pos += _c <= 65535 ? 1 : 2];
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
int $$;
$$ = $$ - 65;
$6 = $$;
}
if (_success) {
$3 = $6;
break;
}
int $8;
int $9;
if (_c >= 48 && _c <= 57) {
_success = true;
$9 = _c;
_c = _input[_pos += _c <= 65535 ? 1 : 2];
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
int $$;
$$ = $$ - 48;
$8 = $$;
}
if (_success) {
$3 = $8;
}
break;
}
$2 = $3;
return $2;
}
int _parse$$unescaped(int $0, bool $1) {
int $2;
int $3;
for (;;) {
int $4;
int $5;
if (_c >= 32 && _c <= 33) {
_success = true;
$5 = _c;
_c = _input[_pos += _c <= 65535 ? 1 : 2];
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
$4 = $5;
$3 = $4;
break;
}
// NOP;
int $6;
int $7;
if (_c >= 35 && _c <= 91) {
_success = true;
$7 = _c;
_c = _input[_pos += _c <= 65535 ? 1 : 2];
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
$6 = $7;
$3 = $6;
break;
}
// NOP;
int $8;
int $9;
if (_c >= 93 && _c <= 1114111) {
_success = true;
$9 = _c;
_c = _input[_pos += _c <= 65535 ? 1 : 2];
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (_success) {
$8 = $9;
$3 = $8;
}
// NOP;
break;
}
$2 = $3;
return $2;
}
List<int> _parse$$spacing(int $0, bool $1) {
List<int> $2;
List<int> $3;
List<int> $4;
List<int> $5;
for (;;) {
int $6;
if (_c >= 9 && _c <= 10 || _c == 13 || _c == 32) {
_success = true;
$6 = _c;
_c = _input[_pos += _c <= 65535 ? 1 : 2];
} else {
_success = false;
if (_fposEnd < _pos) {
_fposEnd = _pos;
}
}
if (!_success) {
break;
}
}
_success = true;
$4 = $5;
// NOP;
$3 = $4;
$2 = $3;
return $2;
}
}
class _Memo {
final int id;
final int pos;
final result;
final bool success;
_Memo({
this.id,
this.pos,
this.result,
this.success,
});
}
// ignore_for_file: prefer_final_locals
// ignore_for_file: unused_element
// ignore_for_file: unused_field
// ignore_for_file: unused_local_variableMetadata
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Metadata
PEG+ (Parsing expression grammar) parser source code generator, command line tool.
Repository (GitHub)
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License
unknown (LICENSE)
Dependencies
args, dart_style, lists, path, strings
