Issue 23336 in dart: Emit more detailed source map identifiers

[da...@googlecode.com]

Status: Triaged
Owner: ----
Labels: Type-Enhancement Priority-Unassigned Area-Dart2JS

New issue 23336 by nw...@google.com: Emit more detailed source map
identifiers
https://code.google.com/p/dart/issues/detail?id=23336

I'm working on some code to convert dart2js stack traces to traces that
look like native Dart code using source maps, but I'm running into a tricky
situation. I'd like to use the source map's provided identifiers for
indicating where in the program a given stack frame came from, but they're
very coarse-grained. They don't have any information about the containing
classes, and closures are usually just the identifier "call".

It would be great if these could be as detailed as the VM's stack trace
frames. For example, instead of "_propagateToListeners", it would
be "Future._propagateToListeners". Instead of "call", it would
be "main.<anonymous function>".

This is important for running and debugging browser tests.

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[da...@googlecode.com]

Updates:
Owner: johnniwi...@google.com

Comment #1 on issue 23336 by floi...@google.com: Emit more detailed source
map identifiers
https://code.google.com/p/dart/issues/detail?id=23336

(No comment was entered for this change.)

[da...@googlecode.com]

Comment #2 on issue 23336 by floi...@google.com: Emit more detailed source
map identifiers
https://code.google.com/p/dart/issues/detail?id=23336

If sourcemaps don't allow us to provide enough information we should
consider emitting a different file.

[da...@googlecode.com]

Comment #3 on issue 23336 by floi...@google.com: Emit more detailed source
map identifiers
https://code.google.com/p/dart/issues/detail?id=23336

Pressed "save changes" too fast.

... or add the information to the dump-info file.

[da...@googlecode.com]

Updates:
Status: Started

Comment #4 on issue 23336 by johnniwi...@google.com: Emit more detailed

source map identifiers
https://code.google.com/p/dart/issues/detail?id=23336

(No comment was entered for this change.)

[da...@googlecode.com]

Updates:
Status: Fixed

Comment #5 on issue 23336 by johnniwi...@google.com: Emit more detailed

source map identifiers
https://code.google.com/p/dart/issues/detail?id=23336

Fixed in https://codereview.chromium.org/1139693002/