public static void Compile(ParserContext parser, ByteBuffer buffer, ThisKeyword thisKeyword, bool outputUsed)
{
if (!outputUsed)
{
throw new ParserException(thisKeyword, "This expression doesn't do anything.");
}
buffer.Add(thisKeyword.FirstToken, OpCode.THIS);
}
public override Expression ResolveTypes(ParserContext context, VariableScope varScope)
{
string name = this.Name.Value;
if (name == "this" || name == "base")
{
if (name == "this")
{
ClassLikeDefinition cd = this.Parent.ClassContainer;
return(new ThisKeyword(this.FirstToken, this.Parent)
{
ResolvedType = ResolvedType.FromClass(cd),
});
}
// TODO: base
throw new System.NotImplementedException();
}
this.ResolvedType = varScope.GetVariableType(name);
if (this.ResolvedType == null)
{
foreach (TopLevelEntity member in this.ClassContainer.GetMemberNonNull(name))
{
if (member is PropertyDefinition || member is FieldDefinition || member is MethodDefinition)
{
VerifiedFieldReference vfr;
if (member.IsStatic)
{
ClassLikeDefinition cd = member.ClassContainer;
StaticClassReference classRef = new StaticClassReference(this.FirstToken, this.parent, member.ClassContainer);
vfr = new VerifiedFieldReference(this.FirstToken, this.parent, this.Name, classRef, ResolvedType.FromClass(cd));
}
else
{
ThisKeyword thisKeyword = new ThisKeyword(this.FirstToken, this.Parent);
thisKeyword.ResolvedType = ResolvedType.FromClass(this.Parent.ClassContainer);
vfr = new VerifiedFieldReference(this.FirstToken, this.parent, this.Name, thisKeyword, null);
}
if (member is PropertyDefinition)
{
vfr.Property = (PropertyDefinition)member;
vfr.ResolvedType = vfr.Property.ResolvedType;
}
else if (member is FieldDefinition)
{
vfr.Field = (FieldDefinition)member;
vfr.ResolvedType = vfr.Field.ResolvedType;
}
else if (member is MethodDefinition)
{
vfr.Method = (MethodDefinition)member;
vfr.ResolvedType = vfr.Method.ResolvedReturnType;
}
else
{
throw new System.NotImplementedException();
}
return(vfr);
}
else
{
throw new System.NotImplementedException();
}
}
char c = this.Name.Value[0]; // lame optimization
if (c >= 'A' && c <= 'Z')
{
Expression newExpr = DotField.AttemptToResolveDotFieldChainIntoDirectReference(new Token[] { this.Name }, context, this);
if (newExpr != null)
{
return(newExpr);
}
}
throw new ParserException(this.FirstToken, "This variable is not declared.");
}
return(this);
}
