public static LocalBuilder[] DeclareLocalVariables(MethodBase original, ILGenerator il)
{
return(original.GetMethodBody().LocalVariables.Select(lvi =>
{
var localBuilder = il.DeclareLocal(lvi.LocalType, lvi.IsPinned);
Emitter.LogLastLocalVariable(il);
return localBuilder;
}).ToArray());
}
public static LocalBuilder DeclareLocalVariable(ILGenerator il, Type type)
{
if (type.IsByRef)
{
type = type.GetElementType();
}
if (AccessTools.isClass(type))
{
var v = il.DeclareLocal(type);
Emitter.LogLastLocalVariable(il);
Emitter.Emit(il, OpCodes.Ldnull);
Emitter.Emit(il, OpCodes.Stloc, v);
return(v);
}
if (AccessTools.isStruct(type))
{
var v = il.DeclareLocal(type);
Emitter.LogLastLocalVariable(il);
Emitter.Emit(il, OpCodes.Ldloca, v);
Emitter.Emit(il, OpCodes.Initobj, type);
return(v);
}
if (AccessTools.isValue(type))
{
var v = il.DeclareLocal(type);
Emitter.LogLastLocalVariable(il);
if (type == typeof(float))
{
Emitter.Emit(il, OpCodes.Ldc_R4, (float)0);
}
else if (type == typeof(double))
{
Emitter.Emit(il, OpCodes.Ldc_R8, (double)0);
}
else if (type == typeof(long))
{
Emitter.Emit(il, OpCodes.Ldc_I8, (long)0);
}
else
{
Emitter.Emit(il, OpCodes.Ldc_I4, 0);
}
Emitter.Emit(il, OpCodes.Stloc, v);
return(v);
}
return(null);
}
