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a few annotation to ease debugging · chubbyerror/pythonnet@d0a6f44 · GitHub

  1. chubbyerror
  2. pythonnet

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Commit d0a6f44

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lostmsu
committed
a few annotation to ease debugging
1 parent e003e12 commit d0a6f44

4 files changed

Lines changed: 19 additions & 1 deletion

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‎src/runtime/BorrowedReference.cs‎

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Original file line numberDiff line numberDiff line change
@@ -1,6 +1,8 @@
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namespace Python.Runtime
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{
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using System;
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using System.Diagnostics;
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/// <summary>
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/// Represents a reference to a Python object, that is being lent, and
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/// can only be safely used until execution returns to the caller.
@@ -11,6 +13,7 @@ readonly ref struct BorrowedReference
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public bool IsNull => this.pointer == IntPtr.Zero;
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/// <summary>Gets a raw pointer to the Python object</summary>
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[DebuggerHidden]
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public IntPtr DangerousGetAddress()
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=> this.IsNull ? throw new NullReferenceException() : this.pointer;
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/// <summary>Gets a raw pointer to the Python object</summary>

‎src/runtime/NewReference.cs‎

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@@ -14,6 +14,7 @@ ref struct NewReference
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IntPtr pointer;
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/// <summary>Creates a <see cref="NewReference"/> pointing to the same object</summary>
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[DebuggerHidden]
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public NewReference(BorrowedReference reference, bool canBeNull = false)
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{
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var address = canBeNull
@@ -69,13 +70,15 @@ public IntPtr DangerousMoveToPointerOrNull()
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/// that steals reference passed to it.
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/// </summary>
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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[DebuggerHidden]
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public StolenReference StealNullable() => StolenReference.TakeNullable(ref this.pointer);
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/// <summary>
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/// Call this method to move ownership of this reference to a Python C API function,
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/// that steals reference passed to it.
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/// </summary>
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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[DebuggerHidden]
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public StolenReference Steal()
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{
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if (this.IsNull()) throw new NullReferenceException();
@@ -118,6 +121,7 @@ public static NewReference DangerousFromPointer(IntPtr pointer)
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internal static IntPtr DangerousGetAddress(in NewReference reference)
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=> IsNull(reference) ? throw new NullReferenceException() : reference.pointer;
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[Pure]
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[DebuggerHidden]
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internal static bool IsNull(in NewReference reference)
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=> reference.pointer == IntPtr.Zero;
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}
@@ -131,17 +135,21 @@ static class NewReferenceExtensions
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{
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/// <summary>Gets a raw pointer to the Python object</summary>
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[Pure]
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[DebuggerHidden]
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public static IntPtr DangerousGetAddress(this in NewReference reference)
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=> NewReference.DangerousGetAddress(reference);
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[Pure]
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[DebuggerHidden]
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public static bool IsNull(this in NewReference reference)
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=> NewReference.IsNull(reference);
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[Pure]
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[DebuggerHidden]
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public static BorrowedReference BorrowNullable(this in NewReference reference)
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=> new(NewReference.DangerousGetAddressOrNull(reference));
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[Pure]
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[DebuggerHidden]
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public static BorrowedReference Borrow(this in NewReference reference)
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=> reference.IsNull() ? throw new NullReferenceException() : reference.BorrowNullable();
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[Pure]
@@ -150,6 +158,7 @@ public static BorrowedReference BorrowOrThrow(this in NewReference reference)
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=> reference.IsNull() ? throw PythonException.ThrowLastAsClrException() : reference.BorrowNullable();
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[Obsolete]
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[DebuggerHidden]
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public static NewReference AnalyzerWorkaround(this in NewReference reference)
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=> NewReference.DangerousFromPointer(reference.DangerousGetAddress());
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}

‎src/runtime/StolenReference.cs‎

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Original file line numberDiff line numberDiff line change
@@ -1,6 +1,7 @@
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namespace Python.Runtime
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{
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using System;
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using System.Diagnostics;
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using System.Diagnostics.Contracts;
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using System.Runtime.CompilerServices;
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@@ -13,6 +14,7 @@ readonly ref struct StolenReference
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{
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internal readonly IntPtr Pointer;
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[DebuggerHidden]
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StolenReference(IntPtr pointer)
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{
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Pointer = pointer;
@@ -25,6 +27,7 @@ public static StolenReference Take(ref IntPtr ptr)
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return TakeNullable(ref ptr);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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[DebuggerHidden]
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public static StolenReference TakeNullable(ref IntPtr ptr)
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{
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var stolenAddr = ptr;
@@ -62,12 +65,14 @@ public static StolenReference DangerousFromPointer(IntPtr ptr)
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static class StolenReferenceExtensions
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{
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[Pure]
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[DebuggerHidden]
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public static IntPtr DangerousGetAddressOrNull(this in StolenReference reference)
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=> reference.Pointer;
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[Pure]
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[DebuggerHidden]
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public static IntPtr DangerousGetAddress(this in StolenReference reference)
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=> reference.Pointer == IntPtr.Zero ? throw new NullReferenceException() : reference.Pointer;
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[DebuggerHidden]
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public static StolenReference AnalyzerWorkaround(this in StolenReference reference)
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{
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IntPtr ptr = reference.DangerousGetAddressOrNull();

‎src/runtime/importhook.cs‎

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@@ -155,6 +155,7 @@ static void SetupImportHook()
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// Create the import hook module
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using var import_hook_module = Runtime.PyModule_New("clr.loader");
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BorrowedReference mod_dict = Runtime.PyModule_GetDict(import_hook_module.BorrowOrThrow());
158+
Debug.Assert(mod_dict != null);
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// Run the python code to create the module's classes.
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var builtins = Runtime.PyEval_GetBuiltins();

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