Mayank Patke
c878108cc8
All non-pubspec changes generated by `dart format pkg/compiler`. Change-Id: Iadaa70974816d96ccb47813fe72d5a2bb83d6bda Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/400181 Reviewed-by: Nate Biggs <natebiggs@google.com> Commit-Queue: Mayank Patke <fishythefish@google.com>
74 lines
1.8 KiB
Dart
74 lines
1.8 KiB
Dart
// Copyright (c) 2015, 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.
|
|
|
|
library sourcemap.trace_graph;
|
|
|
|
import 'dart:collection';
|
|
|
|
import 'package:compiler/src/io/source_information.dart';
|
|
import 'package:compiler/src/io/position_information.dart';
|
|
import 'package:compiler/src/js/js_debug.dart';
|
|
|
|
import 'sourcemap_html_helper.dart';
|
|
|
|
class TraceGraph {
|
|
List<TraceStep> steps = <TraceStep>[];
|
|
TraceStep? entry;
|
|
Queue<Object> stack = Queue();
|
|
Map<int, TraceStep> offsetMap = {};
|
|
|
|
void addStep(TraceStep step) {
|
|
steps.add(step);
|
|
int offset = step.offset.value!;
|
|
TraceStep? existingStep = offsetMap[offset];
|
|
if (existingStep != null) {
|
|
// TODO(johnniwinther): Fix problems with reuse of JS nodes from
|
|
// templates.
|
|
if (identical(existingStep.node, step.node)) {
|
|
print('duplicate node: ${nodeToString(step.node)}');
|
|
} else {
|
|
print('duplicate offset: ${offset} : ${nodeToString(step.node)}');
|
|
}
|
|
print(' ${existingStep.id}:${existingStep.text}:${existingStep.offset}');
|
|
print(' ${step.id}:${step.text}:${step.offset}');
|
|
}
|
|
offsetMap[offset] = step;
|
|
step.stack = stack.toList();
|
|
}
|
|
|
|
void pushBranch(branch) {
|
|
stack.addLast(branch);
|
|
}
|
|
|
|
void popBranch() {
|
|
stack.removeLast();
|
|
}
|
|
}
|
|
|
|
class TraceStep {
|
|
final kind;
|
|
final int id;
|
|
final node;
|
|
final Offset offset;
|
|
final List text;
|
|
final SourceLocation? sourceLocation;
|
|
|
|
TraceStep? next;
|
|
Map<dynamic, TraceStep>? branchMap;
|
|
|
|
List<Object>? stack;
|
|
|
|
TraceStep(
|
|
this.kind,
|
|
this.id,
|
|
this.node,
|
|
this.offset,
|
|
this.text, [
|
|
this.sourceLocation,
|
|
]);
|
|
|
|
@override
|
|
String toString() => '<span style="background:${toColorCss(id)}">$id</span>';
|
|
}
|