public static void GetSingleDimensionArrayCtor(
IType arrayType,
ITypeResolver typeResolver,
out object[] code,
out IList <object> tokenResolutions,
out IList <IType> locals,
out IList <IParameter> parameters)
{
Debug.Assert(arrayType.IsArray && !arrayType.IsMultiArray, "This is for single dim arrays only");
var codeList = new List <object>();
var arrayRank = arrayType.ArrayRank;
var elementType = arrayType.GetElementType();
var typeCode = elementType.GetTypeCode();
var elementSize = elementType.GetTypeSize(typeResolver, true);
codeList.AddRange(
new object[]
{
Code.Ldarg_0,
Code.Dup,
Code.Dup,
Code.Dup,
});
codeList.AppendLoadInt(arrayRank);
codeList.AppendInt(Code.Stfld, 1);
codeList.AppendLoadInt(typeCode);
codeList.AppendInt(Code.Stfld, 2);
codeList.AppendLoadInt(elementSize);
codeList.AppendInt(Code.Stfld, 3);
codeList.AppendLoadArgument(1);
codeList.AppendInt(Code.Stfld, 4);
// return
codeList.AddRange(
new object[]
{
Code.Ret
});
// locals
locals = new List <IType>();
locals.Add(typeResolver.System.System_Int32.ToArrayType(1));
locals.Add(typeResolver.System.System_Int32.ToArrayType(1));
// tokens
tokenResolutions = new List <object>();
tokenResolutions.Add(arrayType.GetFieldByName("rank", typeResolver));
tokenResolutions.Add(arrayType.GetFieldByName("typeCode", typeResolver));
tokenResolutions.Add(arrayType.GetFieldByName("elementSize", typeResolver));
tokenResolutions.Add(arrayType.GetFieldByName("length", typeResolver));
// code
code = codeList.ToArray();
// parameters
parameters = ArrayMultiDimensionGen.GetParameters(arrayType, typeResolver);
}
private static void GetCalculationPartOfSingleDimArrayAllocationSizeMethodBody(
ITypeResolver typeResolver,
IType arrayType,
out object[] code,
out IList <object> tokenResolutions,
out IList <IType> locals,
out IList <IParameter> parameters)
{
var codeList = new List <object>();
// add element size
var elementType = arrayType.GetElementType();
var elementSize = elementType.GetTypeSize(typeResolver, true);
codeList.AppendLoadInt(elementSize);
// load length
codeList.AppendLoadArgument(0);
codeList.Add(Code.Mul);
var arrayTypeSizeWithoutArrayData = arrayType.GetTypeSize(typeResolver);
codeList.AppendLoadInt(arrayTypeSizeWithoutArrayData);
codeList.Add(Code.Add);
// calculate alignment
codeList.Add(Code.Dup);
var alignForType = Math.Max(LlvmWriter.PointerSize, !elementType.IsStructureType() ? elementSize : LlvmWriter.PointerSize);
codeList.AppendLoadInt(alignForType - 1);
codeList.Add(Code.Add);
codeList.AppendLoadInt(~(alignForType - 1));
codeList.Add(Code.And);
// locals
locals = new List <IType>();
// tokens
tokenResolutions = new List <object>();
// parameters
parameters = ArrayMultiDimensionGen.GetParameters(arrayType, typeResolver);
code = codeList.ToArray();
}
