WebAssembly Debugger

Overview

The details of launching a Debugger session for a Blazor WebAssembly application is described here.

Debugger Attributes

Web Assembly Debugger supports usage of following attributes:

• System.Diagnostics.DebuggerHidden

  Decorating a method - results:

  • Visual Studio Breakpoints: results in disabling all existing breakpoints in the method and no possibility to set new,enabled ones.
  • Stepping In/Over: results in stepping over the line with method call.
  • Call stack: method does not appear on the call stack, no access to method local variables is provided.

  Decorating a method with a Debugger.Break() call inside:

  • Running in the Debug mode: results in pausing the program on the line with the method call.
  • Stepping In/Over: results in an additional stepping need to proceed to the next line.

• System.Diagnostics.DebuggerDisplay

• System.Diagnostics.DebuggerTypeProxy

• System.Diagnostics.DebuggerBrowsable (doc)

  • Collapsed - displayed normally.

  • RootHidden:

    • Simple type - not displayed in the debugger window.
    • Collection / Array - the values of a collection are displayed in a flat view, using the naming convention: rootName[idx].

  • Never - not displayed in the debugger window.