public IReadOnlyDictionary <NameKey, GenericTypeParameter> HasGenerics(IValue value, NameKey[] keys)
{
InferredType?inferredType;
if (value.Hopeful.Is(out var innerInferredType))
{
inferredType = innerInferredType;
}
else
{
var inferredMethodType = new InferredType(this, "generated infered method type");
value.Hopeful = Possibly.Is(inferredMethodType);
inferredType = inferredMethodType;
}
if (inferredType.Generics.Count > 0)
{
throw new Exception("this already has generics!");
}
var i = 0;
foreach (var key in keys)
{
inferredType.Generics.Add(key, new GenericTypeParameter(this, $"generic-parameter-{key}", i++, Prototypist.Toolbox.OrType.Make <MethodType, Type, Method, InferredType>(inferredType)));
}
return(inferredType.Generics);
}
// TODO
// {A48C75B3-07B4-4D84-8803-250D6406695D}
// this is a bit weird
// it is get or create
// but like if something as already made a hopeful member it will just throw
// that is probably a bug
// x.y := 5
// 5 > x
// boom, probably
public TransientMember GetReturns(IValue value)
{
if (value.Hopeful is IIsDefinately <InferredType> inferredType)
{
return(inferredType.Value.Returns.GetOrThrow());
}
else
{
var inferredMethodType = new InferredType(this, "generated infered method type");
value.Hopeful = Possibly.Is(inferredMethodType);
// shared code {A9E37392-760B-427D-852E-8829EEFCAE99}
// we don't use has member input/output doesn't go in the member list
// it is not a public member
// and infered to do not have private members
var methodInputKey = new NameKey("generated infered method input - " + Guid.NewGuid());
var inputMember = new Member(this, methodInputKey.ToString() !);
inputMember.LooksUp = Possibly.Is(Prototypist.Toolbox.OrType.Make <MethodType, Type, Object, OrType, InferredType, GenericTypeParameter, IError>(new InferredType(this, "implicit input")));
inferredMethodType.Input = Possibly.Is(inputMember);
var returnMember = new TransientMember(this, "generated infered method return -" + Guid.NewGuid());
returnMember.LooksUp = Possibly.Is(Prototypist.Toolbox.OrType.Make <MethodType, Type, Object, OrType, InferredType, GenericTypeParameter, IError>(new InferredType(this, "implicit return")));
inferredMethodType.Returns = Possibly.Is(returnMember);
return(returnMember);
}
}
public Member HasHopefulMember(IValue parent, IKey key, Func <Member> member)
{
if (!parent.Hopeful.Is(out var inferredType))
{
inferredType = new InferredType(this, $"hopeful of {parent}");
parent.Hopeful = Possibly.Is(inferredType);
}
if (inferredType.PublicMembers.TryGetValue(key, out var res))
{
return(res);
}
res = member();
inferredType.PublicMembers.Add(key, res);
return(res);
}
/// <summary>
/// Write human readable output.
/// </summary>
public override void WriteTo(ITextOutput output, FormattingOptions format)
{
if (format.HasFlag(FormattingOptions.ShowHasSeqPoint) && SourceLocation != NoSource)
{
output.Write(SourceLocation.IsSpecial ? "!" : "~");
}
if (Operand is AstVariable && ((AstVariable)Operand).IsGenerated)
{
if (Code == AstCode.Stloc && InferredType == null)
{
output.Write(((AstVariable)Operand).Name);
output.Write(" = ");
Arguments.First().WriteTo(output, format);
return;
}
if (Code == AstCode.Ldloc)
{
output.Write(((AstVariable)Operand).Name);
if (InferredType != null)
{
output.Write(':');
InferredType.WriteTo(output, AstNameSyntax.ShortTypeName);
if ((ExpectedType != null) && (ExpectedType.FullName != this.InferredType.FullName))
{
output.Write("[exp:");
ExpectedType.WriteTo(output, AstNameSyntax.ShortTypeName);
output.Write(']');
}
}
return;
}
}
if (Prefixes != null)
{
foreach (var prefix in Prefixes)
{
output.Write(prefix.Code.GetName());
output.Write(". ");
}
}
output.Write(Code.GetName());
if (InferredType != null)
{
output.Write(':');
InferredType.WriteTo(output, AstNameSyntax.ShortTypeName);
if ((ExpectedType != null) && (ExpectedType.FullName != InferredType.FullName))
{
output.Write("[exp:");
ExpectedType.WriteTo(output, AstNameSyntax.ShortTypeName);
output.Write(']');
}
}
else if (ExpectedType != null)
{
output.Write("[exp:");
ExpectedType.WriteTo(output, AstNameSyntax.ShortTypeName);
output.Write(']');
}
output.Write('(');
var first = true;
if (Operand != null)
{
if (Operand is AstLabel)
{
output.WriteReference(((AstLabel)Operand).Name, Operand);
}
else if (Operand is AstLabel[])
{
var labels = (AstLabel[])Operand;
for (var i = 0; i < labels.Length; i++)
{
if (i > 0)
{
output.Write(", ");
}
output.WriteReference(labels[i].Name, labels[i]);
}
}
else if (Operand is AstLabelKeyPair[])
{
var pairs = (AstLabelKeyPair[])Operand;
for (var i = 0; i < pairs.Length; i++)
{
if (i > 0)
{
output.Write(", ");
}
output.Write("{0} -> ", pairs[i].Key);
output.WriteReference(pairs[i].Label.Name, pairs[i].Label);
}
}
else if (Operand is XMethodReference)
{
var method = (XMethodReference)Operand;
if (method.DeclaringType != null)
{
method.DeclaringType.WriteTo(output, AstNameSyntax.ShortTypeName);
output.Write("::");
}
output.WriteReference(method.Name, method);
}
else if (Operand is XFieldReference)
{
var field = (XFieldReference)Operand;
field.DeclaringType.WriteTo(output, AstNameSyntax.ShortTypeName);
output.Write("::");
output.WriteReference(field.Name, field);
}
else
{
DisassemblerHelpers.WriteOperand(output, Operand);
}
first = false;
}
bool firstArg = true;
foreach (var arg in Arguments)
{
if (!first)
{
output.Write(", ");
}
if ((format & FormattingOptions.BreakExpressions) != 0)
{
if (firstArg)
{
output.Indent();
}
output.WriteLine();
}
arg.WriteTo(output, format);
first = false;
firstArg = false;
}
output.Write(')');
if ((format & FormattingOptions.BreakExpressions) != 0 && !firstArg)
{
output.Unindent();
}
}
private void InitializeInferredTypes(IEnumerable<IGenericParameter> parameters)
{
foreach (IGenericParameter gp in parameters)
{
_inferredTypes[gp] = new InferredType();
}
}
private bool HasNoDependencies(InferredType inferredType)
{
return !inferredType.HasDependencies;
}
private bool HasDependantsAndBounds(InferredType inferredType)
{
return inferredType.HasDependants && inferredType.HasBounds;
}
private bool Fix(IGenericParameter genericParameter, InferredType inferredType)
{
if (inferredType.Fix())
{
_context.TraceVerbose("Generic parameter {0} fixed to {1}.", genericParameter.Name, inferredType.ResultingType);
return true;
}
return false;
}
/// <summary>
/// Write human readable output.
/// </summary>
public override void WriteTo(ITextOutput output)
{
if (Operand is AstVariable && ((AstVariable)Operand).IsGenerated)
{
if (Code == AstCode.Stloc && InferredType == null)
{
output.Write(((AstVariable)Operand).Name);
output.Write(" = ");
Arguments.First().WriteTo(output);
return;
}
if (Code == AstCode.Ldloc)
{
output.Write(((AstVariable)Operand).Name);
if (InferredType != null)
{
output.Write(':');
InferredType.WriteTo(output, AstNameSyntax.ShortTypeName);
if ((ExpectedType != null) && (ExpectedType.FullName != this.InferredType.FullName))
{
output.Write("[exp:");
ExpectedType.WriteTo(output, AstNameSyntax.ShortTypeName);
output.Write(']');
}
}
return;
}
}
if (Prefixes != null)
{
foreach (var prefix in Prefixes)
{
output.Write(prefix.Code.GetName());
output.Write(". ");
}
}
output.Write(Code.GetName());
if (InferredType != null)
{
output.Write(':');
InferredType.WriteTo(output, AstNameSyntax.ShortTypeName);
if ((ExpectedType != null) && (ExpectedType.FullName != InferredType.FullName))
{
output.Write("[exp:");
ExpectedType.WriteTo(output, AstNameSyntax.ShortTypeName);
output.Write(']');
}
}
else if (ExpectedType != null)
{
output.Write("[exp:");
ExpectedType.WriteTo(output, AstNameSyntax.ShortTypeName);
output.Write(']');
}
output.Write('(');
var first = true;
if (Operand != null)
{
if (Operand is AstLabel)
{
output.WriteReference(((AstLabel)Operand).Name, Operand);
}
else if (Operand is AstLabel[])
{
var labels = (AstLabel[])Operand;
for (var i = 0; i < labels.Length; i++)
{
if (i > 0)
{
output.Write(", ");
}
output.WriteReference(labels[i].Name, labels[i]);
}
}
else if (Operand is AstLabelKeyPair[])
{
var pairs = (AstLabelKeyPair[])Operand;
for (var i = 0; i < pairs.Length; i++)
{
if (i > 0)
{
output.Write(", ");
}
output.Write("{0} -> ", pairs[i].Key);
output.WriteReference(pairs[i].Label.Name, pairs[i].Label);
}
}
else if (Operand is XMethodReference)
{
var method = (XMethodReference)Operand;
if (method.DeclaringType != null)
{
method.DeclaringType.WriteTo(output, AstNameSyntax.ShortTypeName);
output.Write("::");
}
output.WriteReference(method.Name, method);
}
else if (Operand is XFieldReference)
{
var field = (XFieldReference)Operand;
field.DeclaringType.WriteTo(output, AstNameSyntax.ShortTypeName);
output.Write("::");
output.WriteReference(field.Name, field);
}
else
{
DisassemblerHelpers.WriteOperand(output, Operand);
}
first = false;
}
foreach (var arg in Arguments)
{
if (!first)
{
output.Write(", ");
}
arg.WriteTo(output);
first = false;
}
output.Write(')');
}