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[wasm][debugger] Implement support to modify values.#49557

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thaystg merged 13 commits intodotnet:mainfrom
thaystg:thays_fix_42327
Apr 16, 2021
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[wasm][debugger] Implement support to modify values.#49557
thaystg merged 13 commits intodotnet:mainfrom
thaystg:thays_fix_42327

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@thaystg thaystg commented Mar 12, 2021 •
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For simple types like: boolean, integer, long and char.
Tests implemented.

Fixes #42327.

@ghost ghost added the area-Debugger-mono label Mar 12, 2021
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ghost commented Mar 12, 2021

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Issue Details

For simple types like: boolean, integer, long and char.
TODO: Write tests
Fixes #42327.

Author: thaystg
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area-Debugger-mono
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srxqds commented Mar 13, 2021

For simple types like: boolean, integer, long and char.
TODO: Write tests
Fixes #42327.

will these Suppot on iOS when merged?

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Just did a quick scan. Will follow up in a bit.

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Co-authored-by: Larry Ewing <lewing@microsoft.com>
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thaystg commented Mar 15, 2021

For simple types like: boolean, integer, long and char.
TODO: Write tests
Fixes #42327.

will these Suppot on iOS when merged?

This will be supported on wasm debugger. :)

@runfoapp runfoapp bot mentioned this pull request Mar 15, 2021
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@thaystg thaystg marked this pull request as ready for review March 15, 2021 19:35
@runfoapp runfoapp bot mentioned this pull request Mar 16, 2021
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@radical radical added the arch-wasm WebAssembly architecture label Mar 16, 2021
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ghost commented Mar 16, 2021

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Issue Details

For simple types like: boolean, integer, long and char.
Tests implemented.

TODO: When we try to set a variable value of an attribute in an object it calls Runtime.callFunctionOn and we don't support it yet.
Fixes #42327.

Author: thaystg
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arch-wasm, area-Debugger-mono
Milestone: -

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radical commented Mar 16, 2021

TODO: When we try to set a variable value of an attribute in an object it calls Runtime.callFunctionOn and we don't support it yet.

We do support it - https://github.com/dotnet/runtime/blob/main/src/mono/wasm/debugger/BrowserDebugProxy/DevToolsHelper.cs#L207 . But maybe it is missing something that you need?

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thaystg commented Mar 16, 2021

TODO: When we try to set a variable value of an attribute in an object it calls Runtime.callFunctionOn and we don't support it yet.

We do support it - https://github.com/dotnet/runtime/blob/main/src/mono/wasm/debugger/BrowserDebugProxy/DevToolsHelper.cs#L207 . But maybe it is missing something that you need?

I saw it but I didn't investigate why it was not working, it tries to run a function that receives the object as parameter and tries to run something like this: this[attribute] = newValue, do you think this should work?

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radical commented Mar 16, 2021

See https://github.com/dotnet/runtime/blob/main/src/mono/wasm/runtime/library_mono.js#L1227-L1249
You will need to implement - https://github.com/dotnet/runtime/blob/main/src/mono/wasm/runtime/library_mono.js#L1237

We construct a proxy object, so you would need a proxy setter there that does the actual value setting for managed code.

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thaystg commented Mar 17, 2021

@radical, done!

thaystg added 2 commits March 18, 2021 13:33
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Fix compilation
ee7f036
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Merge remote-tracking branch 'upstream/main' into thays_fix_42327
b5346a6 
* upstream/main: (568 commits)
  [wasm] Set __DistroRid on Windows to browser-wasm (dotnet#50842)
  [wasm] Fix order of include paths, to have the obj dir first (dotnet#50303)
  [wasm] Fix debug build of AOT cross compiler (dotnet#50418)
  Fix outdated comment (dotnet#50834)
  [wasm][tests] Add properties to allow passing args to xharness (dotnet#50678)
  Vectorized common String.Split() paths (dotnet#38001)
  Fix binplacing symbol files. (dotnet#50819)
  Move type check to after the null ref branch in out marshalling of blittable classes. (dotnet#50735)
  Remove extraneous CMake version requirement. (dotnet#50805)
  [wasm] Remove unncessary condition for EMSDK (dotnet#50810)
  Add loop alignment stats to JitLogCsv (dotnet#50624)
  Resolve ILLink warnings in System.Diagnostics.DiagnosticSource (dotnet#50265)
  Avoid unnecessary closures/delegates in Process (dotnet#50496)
  Fix for field layout verification across version bubble boundary (dotnet#50364)
  JIT: Enable CSE for VectorX.Create (dotnet#50644)
  [main] Update dependencies from mono/linker (dotnet#50779)
  [mono] More domain cleanup (dotnet#50771)
  Race condition in Mock reference tracker runtime with GC. (dotnet#50804)
  Remove IAssemblyName (and various fusion remnants) (dotnet#50755)
  Disable failing test for GCStress. (dotnet#50828)
  ...
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radical commented Apr 15, 2021

@thaystg thank you for making all the changes, and adding the tests!

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radical commented Apr 15, 2021

What happens if you try to set char var with:

  1. the value abc? Shouldn't that fail?
  2. What if abc is another variable? Maybe for char we should require 'a'? What do VS, and chrome do?

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thaystg commented Apr 15, 2021

What happens if you try to set char var with:

  1. the value abc? Shouldn't that fail?
  2. What if abc is another variable? Maybe for char we should require 'a'? What do VS, and chrome do?
  1. Should fail, fixed.
  2. It's required 'a' on VS.

On Js even if I insert a value like this: 'a' when I receive on debug proxy it's "a" so I'm just checking if the strlen is 1 otherwise I will return false.

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Thanks for the changes. Just a few more comments, we are almost done!

Also, I ran all the tests locally, and they pass:

Failed: 0, Passed: 491, Skipped: 0, Total: 491

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Thanks for your patience! LGTM 👍

@thaystg thaystg merged commit fc53ee7 into dotnet:main Apr 16, 2021
@ghost ghost locked as resolved and limited conversation to collaborators May 16, 2021
@karelz karelz added this to the 6.0.0 milestone May 20, 2021
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Web Assembly Debugging - Modify values

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@thaystg @srxqds @radical @lewing @pavelsavara @karelz