static void ResetInstruction(MonoXIL.Cecil.Cil.MethodBody body)
{
int offset = 0;
var instructions = body.Instructions;
wxb.RefType refType = new RefType(instructions);
var items = (Instruction[])refType.GetField("items");
var count = instructions.Count;
var stack_size = 0;
var max_stack = 0;
Dictionary <Instruction, int> stack_sizes = null;
if (body.HasExceptionHandlers)
{
ComputeExceptionHandlerStackSize(body, ref stack_sizes);
}
for (int i = 0; i < count; i++)
{
var instruction = items[i];
instruction.Offset = offset;
offset += instruction.GetSize();
ComputeStackSize(instruction, ref stack_sizes, ref stack_size, ref max_stack);
}
wxb.RefType body_refType = new RefType(body);
body_refType.SetField("code_size", offset);
body_refType.SetField("max_stack_size", max_stack);
}
static void ComputeExceptionHandlerStackSize(MonoXIL.Cecil.Cil.MethodBody body, ref Dictionary <Instruction, int> stack_sizes)
{
var exception_handlers = body.ExceptionHandlers;
for (int i = 0; i < exception_handlers.Count; i++)
{
var exception_handler = exception_handlers[i];
switch (exception_handler.HandlerType)
{
case ExceptionHandlerType.Catch:
AddExceptionStackSize(exception_handler.HandlerStart, ref stack_sizes);
break;
case ExceptionHandlerType.Filter:
AddExceptionStackSize(exception_handler.FilterStart, ref stack_sizes);
AddExceptionStackSize(exception_handler.HandlerStart, ref stack_sizes);
break;
}
}
}
