// FuncDef
public override bool Walk(FuncDef node)
{
if (node == scope)
{
foreach (Expr e in node.parameters)
{
e.Walk(fdef);
}
return(true);
}
else
{
Define(node.name);
return(false);
}
}
public static SignatureInfo Get(FuncDef fd, CodeGen cg)
{
int first = 0;
Type[] paramTypes;
Name[] paramNames;
Slot contextSlot = null;
if (fd.IsClosure)
{
contextSlot = cg.EnvironmentSlot;
}
else
{
contextSlot = cg.ContextSlot;
}
if (contextSlot != null)
{
first = 1; // Skip the first argument
paramTypes = new Type[fd.parameters.Length + 1];
paramNames = new Name[fd.parameters.Length + 1];
paramTypes[0] = contextSlot.Type;
paramNames[0] = Name.Make("$env");
for (int i = 1; i < paramTypes.Length; i++)
{
paramTypes[i] = typeof(object);
paramNames[i] = makeName(fd.parameters[i - 1]);
}
}
else
{
paramTypes = CompilerHelpers.MakeRepeatedArray(typeof(object), fd.parameters.Length);
paramNames = makeNames(fd.parameters);
}
return(new SignatureInfo(paramTypes, paramNames, first > 0, contextSlot));
}
public GenExpr(FuncDef func, CallExpr call)
{
this.func = func;
this.call = call;
}
public LambdaExpr(FuncDef func)
{
this.func = func;
}
public override void PostWalk(FuncDef node)
{
Debug.Assert(current == node);
current = current.parent;
}
public virtual void PostWalk(FuncDef node)
{
}
// FuncDef
public virtual bool Walk(FuncDef node)
{
return(false);
}
// FuncDef
public virtual bool Walk(FuncDef node)
{
return(true);
}
public override bool Walk(FuncDef node)
{
// Do not recurse into nested functions
return(node == func);
}
private YieldLabelBuilder(FuncDef func, CodeGen cg)
{
this.func = func;
this.cg = cg;
this.topYields = new YieldTarget[func.yieldCount];
}
