internal MSAst.Expression Transform(AstGenerator inner, bool needsWrapperMethod, bool needsLocalsDictionary, List<MSAst.Expression> init) {
string name = SymbolTable.IdToString(Name);
if (_variable.AccessedInNestedScope || needsLocalsDictionary) {
ClosureExpression closureVar;
if (needsWrapperMethod) {
closureVar = inner.LiftedVariable(Variable, name, _variable.AccessedInNestedScope);
} else {
closureVar = inner.LiftedParameter(Variable, name);
}
inner.SetLocalLiftedVariable(_variable, closureVar);
init.Add(closureVar.Create());
return closureVar;
} else {
MSAst.Expression parameter;
if (needsWrapperMethod) {
parameter = inner.Variable(typeof(object), name);
} else {
parameter = inner.Parameter(typeof(object), name);
}
inner.Globals.SetParameter(_variable, parameter);
return parameter;
}
}
public MSAst.Expression/*!*/ CreateVariable(AstGenerator/*!*/ ag, PythonVariable/*!*/ variable, bool emitDictionary) {
Assert.NotNull(ag, variable);
Debug.Assert(variable.Kind != VariableKind.Parameter);
string name = SymbolTable.IdToString(variable.Name);
switch (variable.Kind) {
case VariableKind.Global:
case VariableKind.GlobalLocal:
return _variables[variable] = GetGlobal(name, ag, false);
case VariableKind.Local:
case VariableKind.HiddenLocal:
if (ag.IsGlobal) {
return _variables[variable] = GetGlobal(name, ag, true);
} else if (variable.AccessedInNestedScope || (emitDictionary && variable.Kind != VariableKind.HiddenLocal)) {
return ag.SetLocalLiftedVariable(variable, ag.LiftedVariable(variable, name, variable.AccessedInNestedScope));
} else {
return _variables[variable] = ag.Variable(typeof(object), name);
}
default:
throw Assert.Unreachable;
}
}
internal MSAst.Expression Transform(AstGenerator inner, bool needsWrapperMethod) {
MSAst.ParameterExpression parameter;
string name = SymbolTable.IdToString(Name);
if (_variable.AccessedInNestedScope) {
if (needsWrapperMethod) {
parameter = inner.ClosedOverVariable(typeof(object), name);
} else {
parameter = inner.ClosedOverParameter(typeof(object), name);
}
} else {
if (needsWrapperMethod) {
parameter = inner.Variable(typeof(object), name);
} else {
parameter = inner.Parameter(typeof(object), name);
}
}
inner.Globals.SetParameter(_variable, parameter);
return parameter;
}
