public override void Define(SymbolKindEnum kind, string name, ExprOp exprOp)
{
if (Parent != null)
{
Parent.Define(kind, name, exprOp);
}
}
public ExprOp Lookup(SymbolKindEnum kind, string name, object parent)
{
IDictionary <string, ExprOp> items;
if (LookupKindItems.TryGetValue(kind, out items))
{
name = name.Replace('-', '_'); // search optimization
ExprOp op;
if (items.TryGetValue(name, out op))
{
return(op);
}
}
Tuple <OptionCollection, IDictionary <Option, ExprOp> > optionItems;
if (LookupKindOptionItems.TryGetValue(kind, out optionItems))
{
Option option = optionItems.Item1.LookupOption(name, parent);
if (option != null)
{
return(optionItems.Item2[option]);
}
}
return(null);
}
public void MakeFunctor(string name, ExprFunc exprFunc, SymbolKindEnum symbol = SymbolKindEnum.FUNCTION)
{
if (String.IsNullOrWhiteSpace(name))
{
throw new ArgumentNullException("name");
}
if (exprFunc == null)
{
throw new ArgumentNullException("exprFunc");
}
// Search optimization
if (name.EndsWith("_"))
{
name = name.Remove(name.Length - 1);
}
IDictionary <string, ExprOp> items = GetOrCreate(symbol);
ExprOp op;
if (items.TryGetValue(name, out op))
{
throw new InvalidOperationException(String.Format("Functor '{0}' is already defined", name));
}
items.Add(name, ExprOp.WrapFunctor(exprFunc));
}
public override ExprOp Lookup(SymbolKindEnum kind, string name)
{
if (Parent != null)
{
return(Parent.Lookup(kind, name));
}
return(null);
}
private IDictionary <string, ExprOp> GetOrCreate(SymbolKindEnum kind)
{
IDictionary <string, ExprOp> items;
if (!LookupKindItems.TryGetValue(kind, out items))
{
items = new Dictionary <string, ExprOp>();
LookupKindItems.Add(kind, items);
}
return(items);
}
/// <summary>
/// Ported from void symbol_scope_t::define
/// </summary>
public override void Define(SymbolKindEnum kind, string name, ExprOp exprOp)
{
Logger.Current.Debug("scope.symbols", () => String.Format("Defining '{0}' = {1} in {2}", name, exprOp, this));
if (Symbols == null)
{
Symbols = new Dictionary <Symbol, ExprOp>();
}
Symbol symbol = new Symbol(kind, name, exprOp);
Symbols[symbol] = exprOp;
}
public override ExprOp Lookup(SymbolKindEnum kind, string name)
{
ExprOp expr;
Symbol symbol = new Symbol(kind, name, null);
if (Symbols.TryGetValue(symbol, out expr))
{
return(expr);
}
else
{
return(base.Lookup(kind, name));
}
}
public override ExprOp Lookup(SymbolKindEnum kind, string name)
{
if (kind != SymbolKindEnum.FUNCTION)
{
return(null);
}
if (name == "value")
{
return(ExprOp.WrapFunctor(GetValue));
}
return(base.Lookup(kind, name));
}
public override ExprOp Lookup(SymbolKindEnum kind, string name)
{
if (Symbols != null)
{
Logger.Current.Debug("scope.symbols", () => String.Format("Looking for '{0}' in {1}", name, this));
ExprOp expr;
Symbol symbol = new Symbol(kind, name, null);
if (Symbols.TryGetValue(symbol, out expr))
{
Logger.Current.Debug("scope.symbols", () => String.Format("Found '{0}' in {1}", name, this));
return(expr);
}
}
return(base.Lookup(kind, name));
}
public void SymbolScope_Define_AddsSymbolToSymbols()
{
MockScope mockScope = new MockScope();
SymbolScope symbolScope = new SymbolScope(mockScope);
SymbolKindEnum kind = SymbolKindEnum.FUNCTION;
string name = "the-name";
ExprOp exprOp = new ExprOp(OpKindEnum.CONSTANTS);
symbolScope.Define(kind, name, exprOp);
Assert.Equal(1, symbolScope.Symbols.Count);
Assert.Equal(kind, symbolScope.Symbols.First().Key.Kind);
Assert.Equal(name, symbolScope.Symbols.First().Key.Name);
Assert.Equal(exprOp, symbolScope.Symbols.First().Key.Definition);
Assert.Equal(exprOp, symbolScope.Symbols[symbolScope.Symbols.First().Key]);
}
public void SymbolScope_Lookup_TriesGetAValueFromSymbols()
{
MockScope mockScope = new MockScope();
SymbolScope symbolScope = new SymbolScope(mockScope);
SymbolKindEnum kind = SymbolKindEnum.FUNCTION;
string name = "the-name";
ExprOp exprOp = new ExprOp(OpKindEnum.CONSTANTS);
symbolScope.Define(kind, name, exprOp);
ExprOp result = symbolScope.Lookup(kind, name);
Assert.Equal(exprOp, result);
ExprOp result2 = symbolScope.Lookup(SymbolKindEnum.OPTION, "dummy");
Assert.Equal(mockScope.LookupResult, result2);
}
public override ExprOp Lookup(SymbolKindEnum kind, string name)
{
LookupCalls.Add(new Tuple <SymbolKindEnum, string>(kind, name));
return(LookupResult);
}
public override void Define(SymbolKindEnum kind, string name, ExprOp exprOp)
{
DefineCalls.Add(new Tuple <SymbolKindEnum, string, ExprOp>(kind, name, exprOp));
}
public override ExprOp Lookup(SymbolKindEnum kind, string name)
{
return(LookupItems.Lookup(kind, name, this) ?? base.Lookup(kind, name));
}
public override ExprOp Lookup(SymbolKindEnum kind, string name)
{
return(GrandChild.Lookup(kind, name) ?? base.Lookup(kind, name));
}
public override void Define(SymbolKindEnum kind, string name, ExprOp exprOp)
{
Parent.Define(kind, name, exprOp);
GrandChild.Define(kind, name, exprOp);
}
public override ExprOp Lookup(SymbolKindEnum kind, string name)
{
return(null);
}
public override ExprOp Lookup(SymbolKindEnum kind, string name)
{
throw new NotImplementedException();
}
public virtual void Define(SymbolKindEnum kind, string name, ExprOp exprOp)
{
}
public abstract ExprOp Lookup(SymbolKindEnum kind, string name);
public Symbol(SymbolKindEnum kind, string name, ExprOp definition) : this()
{
Kind = kind;
Name = name;
Definition = definition;
}
public override void Define(SymbolKindEnum kind, string name, ExprOp exprOp)
{
Symbol symbol = new Symbol(kind, name, exprOp);
Symbols[symbol] = exprOp;
}
