public override void Compile(ILProcessor processor, AstListInitializer initializer, CilCompilationContext context)
{
var temporaryVariable = context.DefineVariable("temp", initializer.ExpressionType);
var elementType = context.ConvertReference(initializer.Elements[0].ExpressionType); // temporary cheating
processor.EmitLdcI4(initializer.Elements.Count);
processor.Emit(OpCodes.Newarr, elementType);
processor.Emit(OpCodes.Stloc, temporaryVariable);
for (var i = 0; i < initializer.Elements.Count; i++)
{
processor.Emit(OpCodes.Ldloc, temporaryVariable);
processor.EmitLdcI4(i);
EmitStelem(processor, elementType, initializer.Elements[i], context);
}
processor.Emit(OpCodes.Ldloc, temporaryVariable);
}
private static void EmitBigIntegerBytes(ILProcessor processor, BigInteger value, CilCompilationContext context)
{
var bytes = value.ToByteArray();
var bytesVariable = context.DefineVariable("t", ByteArray); // temporary cheating
processor.EmitLdcI4(bytes.Length);
processor.Emit(OpCodes.Newarr, context.ConvertReference(Byte));
processor.Emit(OpCodes.Stloc, bytesVariable);
for (var i = 0; i < bytes.Length; i++)
{
processor.Emit(OpCodes.Ldloc, bytesVariable);
processor.EmitLdcI4(i);
processor.EmitLdcI4(bytes[i]);
processor.Emit(OpCodes.Stelem_I1);
}
processor.Emit(OpCodes.Ldloc, bytesVariable);
}
private static void CompileDecimal(ILProcessor processor, PrimitiveValue value, CilCompilationContext context)
{
var @decimal = (Decimal)value.Value;
var bits = @decimal.GetBits();
var bitsVariable = context.DefineVariable("t", Int32Array); // temporary cheating
processor.EmitLdcI4(bits.Length);
processor.Emit(OpCodes.Newarr, context.ConvertReference(Int32));
processor.Emit(OpCodes.Stloc, bitsVariable);
for (var i = 0; i < bits.Length; i++)
{
processor.Emit(OpCodes.Ldloc, bitsVariable);
processor.EmitLdcI4(i);
processor.EmitLdcI4(bits[i]);
processor.Emit(OpCodes.Stelem_I4);
}
processor.Emit(OpCodes.Ldloc, bitsVariable);
processor.Emit(OpCodes.Newobj, context.ConvertReference(NewDecimalFromBits));
}
private static void CompileInteger(ILProcessor processor, PrimitiveValue value, CilCompilationContext context)
{
var integer = (Integer)value.Value;
if (integer.Kind == IntegerKind.Int32)
{
processor.EmitLdcI4(integer.Int32Value);
processor.Emit(OpCodes.Newobj, context.ConvertReference(NewIntegerFromInt32));
}
else
{
EmitBigIntegerBytes(processor, integer.BigIntegerValue, context);
processor.Emit(OpCodes.Newobj, context.ConvertReference(NewIntegerFromBytes));
}
}
