private void ConvertToDoubleIfNeeded(MiniType a, MiniType b)
{
if (a == MiniType.Double && b != MiniType.Double)
{
Emit("conv." + MiniType.Double.ToPrimitive());
}
}
public VariableDeclaration(string name, IScope scope, MiniType type, LexLocation loc = null)
{
Name = name;
Scope = scope;
scope.AddToScope(this);
Type = type;
Location = loc;
}
public override MiniType GetResultType(MiniType typeA, MiniType typeB = MiniType.Unknown)
{
if (typeA == MiniType.Unknown || typeB == MiniType.Unknown)
{
throw new ArgumentException("You can't use this operator on this types.");
}
return(GetResultTypeBinary(typeA, typeB));
}
public override bool CanUse(MiniType typeA, MiniType typeB)
{
switch (typeA)
{
case MiniType.Double:
return(typeB == MiniType.Double || typeB == MiniType.Int);
}
return(typeA == typeB);
}
public override bool CanUse(MiniType typeA)
{
switch (typeA)
{
case MiniType.Int:
return(true);
}
return(false);
}
public override bool CanUse(MiniType typeA, MiniType typeB = MiniType.Unknown)
{
switch (typeA)
{
case MiniType.Int:
return(typeB == MiniType.Int || typeB == MiniType.Double);
case MiniType.Double:
return(typeB == MiniType.Int || typeB == MiniType.Double);
}
return(false);
}
public static string ToPrimitive(this MiniType type)
{
switch (type)
{
case MiniType.Int:
return("i4");
case MiniType.Double:
return("r8");
case MiniType.Bool:
return("i4");
}
return(null);
}
public static string ToCil(this MiniType type)
{
switch (type)
{
case MiniType.Int:
return("int32");
case MiniType.Double:
return("float64");
case MiniType.Bool:
return("bool");
case MiniType.String:
return("string");
}
return(null);
}
public static string ToCSharp(this MiniType type)
{
switch (type)
{
case MiniType.Int:
return("Int32");
case MiniType.Double:
return("Double");
case MiniType.Bool:
return("Boolean");
case MiniType.String:
return("String");
}
return(null);
}
private TypeNode CreateValue()
{
var value = ValueStack[ValueStack.Depth - 1];
MiniType type = value.token.ConvertToType();
string val = value.val;
TypeNode result;
if (type == MiniType.Unknown)
{
result = Error("Cannot use provided type: {0}", value.token).typeNode;
StartRecovery();
}
else
{
result = new Value(type, val, CurrentLocationSpan);
}
return(result);
}
public Value(MiniType type, string val, LexLocation loc = null)
{
Type = type;
Val = val;
Location = loc;
}
public override MiniType GetResultType(MiniType type)
{
return(type);
}
public Operator WithResultType(MiniType typeA, MiniType typeB = MiniType.Unknown)
{
Type = GetResultType(typeA, typeB);
return(this);
}
public abstract bool CanUse(MiniType typeA);
public abstract MiniType GetResultType(MiniType type);
public static Operator Create(Token token, MiniType typeA, LexLocation location = null)
{
var operatorToken = token.ConvertToOperator(true);
return(Create(operatorToken, location).WithResultType(typeA));
}
public abstract bool CanUse(MiniType typeA, MiniType typeB = MiniType.Unknown);
public static bool CanUse(Token token, MiniType typeA)
{
lastToken = token.ConvertToOperator(true);
lastOperator = CreateFromToken(lastToken);
return(lastOperator.CanUse(typeA));
}
public static Operator Create(Token token, MiniType typeA, LexLocation location = null) => Factory.Create(token, typeA, location);
public static bool CanUse(Token token, MiniType typeA) => Factory.CanUse(token, typeA);
public override MiniType GetResultTypeBinary(MiniType typeA, MiniType typeB)
{
return(typeA == MiniType.Double || typeB == MiniType.Double ? MiniType.Double : MiniType.Int);
}
public override bool CanUse(MiniType typeA)
{
return(typeA != MiniType.Unknown);
}
public abstract MiniType GetResultTypeBinary(MiniType typeA, MiniType typeB);
public abstract MiniType GetResultType(MiniType typeA, MiniType typeB = MiniType.Unknown);
public override bool CanUse(MiniType typeA, MiniType typeB = MiniType.Unknown)
{
return(typeA == MiniType.Bool && typeB == MiniType.Bool);
}
public override bool CanUse(MiniType typeA)
{
return(false);
}
public override MiniType GetResultTypeBinary(MiniType typeA, MiniType typeB)
{
return(MiniType.Bool);
}
public override MiniType GetResultType(MiniType typeA, MiniType typeB = MiniType.Unknown)
{
return(MiniType.Unknown);
}