private void HandleUseType(AstUsingStmt use)
{
switch (use.Value.Value as CheezType)
{
case EnumType e:
{
var decl = e.Declaration;
ComputeEnumMembers(decl);
foreach (var m in decl.Members)
{
var eve = new AstEnumValueExpr(e.Declaration, m);
use.Scope.DefineUse(m.Name, eve, true, out var u);
}
break;
}
case GenericEnumType e:
{
var decl = e.Declaration;
ComputeEnumMembers(decl);
foreach (var m in decl.Members)
{
var eve = new AstEnumValueExpr(decl, m);
use.Scope.DefineUse(m.Name, eve, true, out var u);
}
break;
}
default:
ReportError(use, $"Can't use type '{use.Value.Value}'");
break;
}
}
public override NodeFinderResult VisitUsingStmt(AstUsingStmt use, int i = 0)
{
if (GetRelativeLocation(use.Value.Location, i) == RelativeLocation.Same)
{
return(use.Value.Accept(this, i));
}
return(new NodeFinderResult(use.Scope, stmt: use));
}
private AstUsingStmt AnalyseUseStatement(AstUsingStmt use)
{
use.Value.SetFlag(ExprFlags.ValueRequired, true);
use.Value.AttachTo(use);
use.Value = InferType(use.Value, null);
if (use.Value.Type.IsErrorType)
{
return(use);
}
switch (use.Value.Type)
{
case CheezTypeType type:
HandleUseType(use);
break;
case StructType str:
{
var tempVar = use.Value;
//if (!tempVar.GetFlag(ExprFlags.IsLValue))
{
tempVar = new AstTempVarExpr(use.Value, use.Value.GetFlag(ExprFlags.IsLValue));
tempVar.Replace(use.Value);
tempVar.SetFlag(ExprFlags.IsLValue, true);
tempVar = InferType(tempVar, use.Value.Type);
use.Value = tempVar;
}
ComputeStructMembers(str.Declaration);
foreach (var mem in str.Declaration.Members)
{
AstExpression expr = new AstDotExpr(tempVar, new AstIdExpr(mem.Name, false, use.Location), use.Location);
//expr = InferType(expr, null);
use.Scope.DefineUse(mem.Name, expr, true, out var u);
}
}
break;
default:
ReportError(use, $"Can't use value of type '{use.Value.Type}'");
break;
}
return(use);
}
public override string VisitUsingStmt(AstUsingStmt use, int data = 0)
{
return($"use {use.Value.Accept(this)}");
}
public virtual ReturnType VisitUsingStmt(AstUsingStmt stmt, DataType data = default) => default;
