Jens Johansen
c95568aede
This is the first commit of this effort. It's not polished and mostly generates nonsense output that, though, should not crash the compiler. Further work might add options to create less-nonsense output). Change-Id: Ic7f140ea6f248bfa9a0e62ca37326def1d0a5086 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/403601 Reviewed-by: Johnni Winther <johnniwinther@google.com> Commit-Queue: Jens Johansen <jensj@google.com>
77 lines
2.5 KiB
Dart
77 lines
2.5 KiB
Dart
// Copyright (c) 2025, 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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import 'package:_fe_analyzer_shared/src/scanner/characters.dart';
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String categorize(StackTrace st) {
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List<StackTraceLine> lines = parseStackTrace(st);
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List<StackTraceLine> notSdk =
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lines.where((l) => l.uri.scheme != "dart").toList();
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return "${notSdk.first.uri.pathSegments.last}/${notSdk.first.line}";
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}
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List<StackTraceLine> parseStackTrace(StackTrace st) {
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List<StackTraceLine> result = [];
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List<String> lines = st.toString().split("\n");
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for (int i = 0; i < lines.length; i++) {
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String s = lines[i];
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if (s == "") continue;
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if (s == "...") continue;
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if (s == "<asynchronous suspension>") continue;
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if (s.startsWith("#")) {
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int j = 1;
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for (; j < s.length; j++) {
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int c = s.codeUnitAt(j);
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if (c >= $0 && c <= $9) {
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// #numGoesHere
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} else {
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break;
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}
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}
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s = s.substring(j).trim();
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int indexOfParen = s.indexOf("(");
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String method = s.substring(0, indexOfParen).trim();
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if (s[s.length - 1] != ")") throw "s";
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String uriEtc = s.substring(indexOfParen + 1, s.length - 1);
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List<String> colonSplit = uriEtc.split(":");
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int column = -1;
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int line = -1;
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// If last two are numbers it's line and column --- the rest is uri;
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// if last is number it's line --- the rest is uri
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// else its all uri.
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if (uriEtc.length >= 2) {
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column = int.tryParse(colonSplit[colonSplit.length - 1]) ?? -1;
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line = int.tryParse(colonSplit[colonSplit.length - 2]) ?? -1;
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}
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String uriPart;
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if (line > -1 && column > -1) {
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uriPart = colonSplit.take(colonSplit.length - 2).join(":");
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} else if (column > -1) {
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line = column;
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column = -1;
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uriPart = colonSplit.take(colonSplit.length - 1).join(":");
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} else {
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uriPart = uriEtc;
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}
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StackTraceLine stLine = new StackTraceLine(
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method, Uri.parse(uriPart), line, column, lines[i]);
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result.add(stLine);
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} else {
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throw "Unexpected line: '$s' in stacktrace: $st";
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}
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}
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return result;
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}
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class StackTraceLine {
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final String method;
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final Uri uri;
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final int line;
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final int column;
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final String orgLine;
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StackTraceLine(this.method, this.uri, this.line, this.column, this.orgLine);
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}
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