/// <summary>
/// Generates code that stores an element of a multidimensional array.
/// </summary>
internal void EmitArrayElementStore(Cci.IArrayTypeReference arrayType, SyntaxNode syntaxNode, DiagnosticBag diagnostics)
{
var store = module.ArrayMethods.GetArraySet(arrayType);
// this, idx1, value --> void
this.EmitOpCode(ILOpCode.Call, -3);
this.EmitToken(store, syntaxNode, diagnostics);
}
internal void EmitArrayElementStore(Cci.IArrayTypeReference arrayType, SyntaxNode syntaxNode, DiagnosticBag diagnostics)
{
Debug.Assert(!arrayType.IsSZArray, "should be used only with multidimensional arrays");
var store = module.ArrayMethods.GetArraySet(arrayType);
// this, idx1, idx2, value --> void
this.EmitOpCode(ILOpCode.Call, -(2 + (int)arrayType.Rank));
this.EmitToken(store, syntaxNode, diagnostics);
}
private static void VisitTypeReference(Cci.ITypeReference typeReference, EmitContext context)
{
Debug.Assert(typeReference != null);
Cci.IArrayTypeReference arrayType = typeReference as Cci.IArrayTypeReference;
if (arrayType != null)
{
VisitTypeReference(arrayType.GetElementType(context), context);
return;
}
Cci.IPointerTypeReference pointerType = typeReference as Cci.IPointerTypeReference;
if (pointerType != null)
{
VisitTypeReference(pointerType.GetTargetType(context), context);
return;
}
Debug.Assert(!(typeReference is Cci.IManagedPointerTypeReference));
//Cci.IManagedPointerTypeReference managedPointerType = typeReference as Cci.IManagedPointerTypeReference;
//if (managedPointerType != null)
//{
// VisitTypeReference(managedPointerType.GetTargetType(this.context));
// return;
//}
Cci.IModifiedTypeReference modifiedType = typeReference as Cci.IModifiedTypeReference;
if (modifiedType != null)
{
foreach (var custModifier in modifiedType.CustomModifiers)
{
VisitTypeReference(custModifier.GetModifier(context), context);
}
VisitTypeReference(modifiedType.UnmodifiedType, context);
return;
}
// Visit containing type
Cci.INestedTypeReference nestedType = typeReference.AsNestedTypeReference;
if (nestedType != null)
{
VisitTypeReference(nestedType.GetContainingType(context), context);
}
// Visit generic arguments
Cci.IGenericTypeInstanceReference genericInstance = typeReference.AsGenericTypeInstanceReference;
if (genericInstance != null)
{
foreach (var arg in genericInstance.GetGenericArguments(context))
{
VisitTypeReference(arg, context);
}
}
}
/// <summary>
/// lazily fetches or creates a new array method.
/// </summary>
private ArrayMethod GetArrayMethod(Cci.IArrayTypeReference arrayType, ArrayMethodKind id)
{
var key = ValueTuple.Create((byte)id, arrayType);
ArrayMethod result;
var dict = _dict;
if (!dict.TryGetValue(key, out result))
{
result = MakeArrayMethod(arrayType, id);
result = dict.GetOrAdd(key, result);
}
return(result);
}
private static ArrayMethod MakeArrayMethod(Cci.IArrayTypeReference arrayType, ArrayMethodKind id)
{
switch (id)
{
case ArrayMethodKind.CTOR:
return(new ArrayConstructor(arrayType));
case ArrayMethodKind.GET:
return(new ArrayGet(arrayType));
case ArrayMethodKind.SET:
return(new ArraySet(arrayType));
case ArrayMethodKind.ADDRESS:
return(new ArrayAddress(arrayType));
}
throw ExceptionUtilities.UnexpectedValue(id);
}
public ArrayConstructor(Cci.IArrayTypeReference arrayType) : base(arrayType)
{
}
/// <summary>
/// Acquires an element referencer method for a given array type
/// </summary>
public ArrayMethod GetArrayAddress(Cci.IArrayTypeReference arrayType)
{
return(GetArrayMethod(arrayType, ArrayMethodKind.ADDRESS));
}
/// <summary>
/// Acquires an element setter method for a given array type
/// </summary>
public ArrayMethod GetArraySet(Cci.IArrayTypeReference arrayType)
{
return(GetArrayMethod(arrayType, ArrayMethodKind.SET));
}
/// <summary>
/// Acquires an array constructor for a given array type
/// </summary>
public ArrayMethod GetArrayConstructor(Cci.IArrayTypeReference arrayType)
{
return(GetArrayMethod(arrayType, ArrayMethodKind.CTOR));
}
protected ArrayMethod(Cci.IArrayTypeReference arrayType)
{
this.arrayType = arrayType;
_parameters = MakeParameters();
}
internal ArraySetValueParameterInfo(ushort index, Cci.IArrayTypeReference arrayType)
: base(index)
{
_arrayType = arrayType;
}
public ArraySet(Cci.IArrayTypeReference arrayType) : base(arrayType)
{
}
public ArrayAddress(Cci.IArrayTypeReference arrayType) : base(arrayType)
{
}
/// <summary> /// Acquires an element referencer method for a given array type /// </summary> public ArrayMethod GetArrayAddress(Cci.IArrayTypeReference arrayType) => GetArrayMethod(arrayType, ArrayMethodKind.ADDRESS);
/// <summary> /// Acquires an element setter method for a given array type /// </summary> public ArrayMethod GetArraySet(Cci.IArrayTypeReference arrayType) => GetArrayMethod(arrayType, ArrayMethodKind.SET);
protected ArrayMethod(Cci.IArrayTypeReference arrayType)
{
this.arrayType = arrayType;
_parameters = MakeParameters();
}
internal ArraySetValueParameterInfo(ushort index, Cci.IArrayTypeReference arrayType)
: base(index)
{
_arrayType = arrayType;
}
