internal override Expression ResolveType(VariableScope varScope, PastelCompiler compiler)
{
this.Root = this.Root.ResolveType(varScope, compiler);
PType rootType = this.Root.ResolvedType;
if (rootType.IsStructOrClass)
{
string fieldName = this.FieldName.Value;
rootType.FinalizeType(compiler);
if (rootType.IsStruct)
{
this.StructType = rootType.StructDef;
int fieldIndex;
if (!this.StructType.FlatFieldIndexByName.TryGetValue(fieldName, out fieldIndex))
{
throw new ParserException(this.FieldName, "The struct '" + this.StructType.NameToken.Value + "' does not have a field called '" + fieldName + "'.");
}
this.ResolvedType = this.StructType.FlatFieldTypes[fieldIndex];
}
else
{
this.ClassType = rootType.ClassDef;
if (!this.ClassType.Members.ContainsKey(this.FieldName.Value))
{
throw new ParserException(this.FieldName, "The class '" + this.ClassType.NameToken.Value + "' does not have a member called '" + fieldName + "'.");
}
ICompilationEntity ce = this.ClassType.Members[fieldName];
if (ce is FieldDefinition fd)
{
this.ResolvedType = fd.FieldType;
}
else
{
FunctionDefinition func = (FunctionDefinition)ce;
this.ResolvedType = PType.FunctionOf(this.FieldName, func.ReturnType, func.ArgTypes);
}
}
return(this);
}
this.CoreFunctionId = this.DetermineCoreFunctionId(this.Root.ResolvedType, this.FieldName.Value);
if (this.CoreFunctionId != CoreFunction.NONE)
{
CoreFunctionReference cfr = new CoreFunctionReference(this.FirstToken, this.CoreFunctionId, this.Root, this.Owner);
cfr.ResolvedType = new PType(this.Root.FirstToken, null, "@CoreFunc");
return(cfr);
}
throw new NotImplementedException();
}
internal override Expression ResolveType(VariableScope varScope, PastelCompiler compiler)
{
for (int i = 0; i < this.Args.Length; ++i)
{
this.Args[i] = this.Args[i].ResolveType(varScope, compiler);
}
this.Root = this.Root.ResolveType(varScope, compiler);
if (this.Root is FunctionReference)
{
FunctionDefinition functionDefinition = ((FunctionReference)this.Root).Function;
this.VerifyArgTypes(functionDefinition.ArgTypes, compiler);
this.ResolvedType = functionDefinition.ReturnType;
return(this);
}
else if (this.Root is CoreFunctionReference)
{
CoreFunctionReference nfr = (CoreFunctionReference)this.Root;
CoreFunctionInvocation nfi;
if (nfr.Context == null)
{
nfi = new CoreFunctionInvocation(this.FirstToken, nfr.CoreFunctionId, this.Args, this.Owner);
}
else
{
nfi = new CoreFunctionInvocation(this.FirstToken, nfr.CoreFunctionId, nfr.Context, this.Args, this.Owner);
}
return(nfi.ResolveType(varScope, compiler));
}
else if (this.Root is ExtensibleFunctionReference)
{
return(new ExtensibleFunctionInvocation(this.FirstToken, (ExtensibleFunctionReference)this.Root, this.Args).ResolveType(varScope, compiler));
}
else if (this.Root is ConstructorReference)
{
PType typeToConstruct = ((ConstructorReference)this.Root).TypeToConstruct;
typeToConstruct.FinalizeType(compiler);
return(new ConstructorInvocation(this.FirstToken, typeToConstruct, this.Args, this.Owner));
}
else if (this.Root.ResolvedType.RootValue == "Func")
{
return(new FunctionPointerInvocation(compiler, this.FirstToken, this.Root, this.Args));
}
throw new ParserException(this.OpenParenToken, "This expression cannot be invoked like a function.");
}