public static T SetDebugLocation <T>(this T value, DILocation location)
where T : Value
{
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
if (location == null)
{
return(value);
}
if (value is Instructions.Instruction instruction)
{
if (!location.Scope.SubProgram.Describes(instruction.ContainingBlock.ContainingFunction))
{
throw new ArgumentException("Location does not describe the function containing the provided instruction", nameof(location));
}
NativeMethods.LLVMSetDILocation(value.ValueHandle, location.MetadataHandle);
}
return(value);
}
private void EmitLocation(IAstNode?node)
{
DILocalScope?scope = null;
if (LexicalBlocks.Count > 0)
{
scope = LexicalBlocks.Peek( );
}
else if (InstructionBuilder.InsertFunction != null && InstructionBuilder.InsertFunction.DISubProgram != null)
{
scope = InstructionBuilder.InsertFunction.DISubProgram;
}
DILocation?loc = null;
if (scope != null)
{
loc = new DILocation(InstructionBuilder.Context
, ( uint )(node?.Location.StartLine ?? 0)
, ( uint )(node?.Location.StartColumn ?? 0)
, scope
);
}
InstructionBuilder.SetDebugLocation(loc);
}