public static void DefineInGlobal(
string name,
mysFunctionGroup fg,
mysSymbolSpace global
)
{
mysSymbol symbol = global.Create( name );
global.Define( symbol, new mysToken( fg ) );
}
public mysState()
{
nameSpaces = new Dictionary<string, mysSymbolSpace>();
exposedAssemblies = new List<Assembly>();
Global = new mysSymbolSpace();
Global.Define(
Global.Create( "true" ),
new mysToken( true )
);
Global.Define(
Global.Create( "false" ),
new mysToken( false )
);
nameSpaces.Add( "global" , Global );
mysBuiltins.Setup( Global );
}
public static void AddVariant(
string name,
mysFunction variant,
mysSymbolSpace global
)
{
mysSymbol symbol = new mysSymbol( name );
mysFunctionGroup fg;
if ( !global.Defined( symbol ) ) {
global.Define(
symbol,
new mysToken( new mysFunctionGroup() )
);
}
fg = global
.GetValue( new mysSymbol( name ) )
.Value as mysFunctionGroup
;
fg.Variants.Add( variant );
}
public virtual mysToken Call(
List<mysToken> arguments,
mysState state,
Stack<mysSymbolSpace> spaceStack
)
{
arguments = arguments.Select( t =>
t.Type == typeof(mysSymbol) && !t.Quoted
? ( t.Value as mysSymbol ).Value( spaceStack )
: t
).ToList();
// future, cache somehow?
mysSymbolSpace internalSpace = new mysSymbolSpace();
Symbols.DoPaired(
arguments,
(s, a) => internalSpace.Define( s, a )
);
spaceStack.Push( internalSpace );
EvaluationMachine em = new EvaluationMachine(
Function,
state,
spaceStack
);
mysToken result = em.Evaluate();
spaceStack.Pop();
return result;
}