debugging inside a lambda that captures this shows t... | microsoft/vscode-cpptools

Nessuno ha ancora preso questa issue.

Type: Bug

I admit that the context for the debugger is kind of ambiguous. Lambdas are generated as anonymous structs and the lambda itself is a method on this anonymous struct. However

struct Foo {

void do(){
    auto l = [this]{
        foo = 10; // <- stop debugger here
    };
    l();
}

int foo  0;

}

when you look at the debugger a this in the locals shown but it's actually the lambda rather than the Foo class. Also it is not possible to inspect member foo from the point where the debugger is stopped

Extension version: 1.20.1
VS Code version: Code 1.88.1 (e170252f762678dec6ca2cc69aba1570769a5d39, 2024-04-10T17:41:02.734Z)
OS version: Windows_NT x64 10.0.22631
Modes:

System Info

Item	Value
CPUs	AMD Ryzen 9 5900X 12-Core Processor (24 x 3700)
GPU Status	2d_canvas: enabled canvas_oop_rasterization: enabled_on direct_rendering_display_compositor: disabled_off_ok gpu_compositing: enabled multiple_raster_threads: enabled_on opengl: enabled_on rasterization: enabled raw_draw: disabled_off_ok skia_graphite: disabled_off video_decode: enabled video_encode: enabled vulkan: disabled_off webgl: enabled webgl2: enabled webgpu: enabled
Load (avg)	undefined
Memory (System)	63.93GB (35.99GB free)
Process Argv	--crash-reporter-id 8e0f3da2-bd7f-4547-b593-29b86ad0a63e
Screen Reader	no
VM	0%

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Riproduci il problema con l’esempio di lambda C++ fornito in VS Code usando l’estensione C/C++, fermandoti sull’assegnazione contrassegnata. Inizia tracciando il modo in cui il debugger presenta le variabili locali e i valori this catturati; il lavoro è concluso quando lo stack frame in cui l’esecuzione è sospesa espone l’istanza di Foo e consente di ispezionare foo, invece di mostrare solo l’oggetto lambda.

Scritto dal modello di indicizzazione a partire dal testo della issue.

debugging inside a lambda that captures this shows the 'lambda' this instead of the 'this' 'this'

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