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[vm] Heap snapshot tool can load file from arguments

Browse source 
This CL allows the heap snapshot tool to load a file as it is launched
via a command like
```
../../../out/ReleaseX64/dart bin/explore.dart my_snapshot.heapsnapshot
```

Change-Id: I4eca4ec18daef4d3361c754018d234045e725ef5
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/275860
Commit-Queue: Jens Johansen <jensj@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
This commit is contained in:
Jens Johansen 2022-12-15 12:31:45 +00:00 committed by Commit Queue
parent e4cc3c98e5
commit dde72f78a2
1 changed files with 19 additions and 1 deletions
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20
runtime/tools/heapsnapshot/bin/explore.dart
View file

@ -50,7 +50,7 @@ class CompletionKeyHandler extends KeyHandler {
}
}
void main() async {
Future<void> main(List<String> args) async {
final console = SmartConsole();
console.write('The ');
@ -67,6 +67,24 @@ void main() async {
console.completionHandler = CompletionKeyHandler(cliState);
if (args.isNotEmpty) {
if (args.length == 1 && args.single.trim().isNotEmpty) {
console.setForegroundColor(ConsoleColor.brightYellow);
console.writeLine('Will try to load ${args.single.trim()}.');
console.resetColorAttributes();
console.writeLine('');
if (await cliCommandRunner.run(cliState, ['load', args.single.trim()])) {
return;
}
} else {
console.setForegroundColor(ConsoleColor.brightRed);
console.writeLine('When giving arguments, only one argument - '
'the snapshot to load - is supported. Ignoring arguments.');
console.resetColorAttributes();
console.writeLine('');
}
}
while (true) {
final response = console.smartReadLine();
console.resetColorAttributes();