private FParam FParamsTail()
{
string first = ",";
this.SkipErrors(first);
var lookaheadToken = this.TokenStream.Peek();
string lookahead = lookaheadToken.AToCCFormat();
if (first.HasToken(lookahead))
{
this.ApplyDerivation("fParamsTail -> ',' type 'id' infArraySize");
Match(",");
var location = this.TokenStream.Peek().SourceLocation;
string type = Type();
string id = Match("id");
var dimensions = InfArraySize();
var parameter = new FParam(location);
parameter.Type = type;
parameter.Id = id;
parameter.Dimensions = dimensions;
return(parameter);
}
return(null);
}
public override void Visit(FParam fParam)
{
if (!this.DoneClassList)
{
return;
}
int numElements = 1;
var dimensions = new List <int>();
// Calculate the dimensions and the total size.
foreach (var dimension in fParam.Dimensions)
{
dimensions.Add(int.Parse(dimension.Value));
numElements *= dimensions.Last();
}
var nodeEntry = this.GetCurrentScope().Get(fParam.Id, Classification.Variable);
if (!this.Sizes.ContainsKey(fParam.Type))
{
// If it doesn't exist, the memory size will be -1. By multiplying it by the number of elements,
// the true size will happen when (in the class) we resolve it by doing *= -sizeof(type);
nodeEntry.EntryMemorySize *= numElements;
}
else
{
nodeEntry.EntryMemorySize = Sizes[fParam.Type] * numElements;
}
nodeEntry.MaxSizeDimensions = dimensions;
}
public override void Visit(FParam fParam)
{
if (fParam.Id != string.Empty)
{
var entry = new TableEntry(fParam.Id, Classification.Parameter, -1)
{
Type = fParam.Type + "[]".Repeat(fParam.Dimensions.Count)
};
fParam.Entry = entry;
}
}
private List <FParam> FParams()
{
string first = "id int float";
string follow = ")";
this.SkipErrors(first, follow);
var lookaheadToken = this.TokenStream.Peek();
string lookahead = lookaheadToken.AToCCFormat();
if (first.HasToken(lookahead))
{
this.ApplyDerivation("fParams -> type 'id' infArraySize infFParamsTail");
var paramList = new List <FParam>();
var parameter = new FParam(lookaheadToken.SourceLocation);
string type = Type();
string id = Match("id");
var dimensions = InfArraySize();
var trailingParameters = InfFParamsTail();
parameter.Type = type;
parameter.Id = id;
parameter.Dimensions = dimensions;
paramList.Add(parameter);
paramList.JoinListWhereNotNull(trailingParameters);
return(paramList);
}
if (follow.HasToken(lookahead))
{
this.ApplyDerivation("fParams -> EPSILON");
return(new List <FParam>());
}
return(null);
}
public virtual void Visit(FParam fParam)
{
}