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;
}
public MSAst.Expression/*!*/ CreateVariable(AstGenerator/*!*/ ag, PythonVariable/*!*/ variable) {
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) {
return _variables[variable] = ag.ClosedOverVariable(typeof(object), name);
} else {
return _variables[variable] = ag.Variable(typeof(object), name);
}
case VariableKind.Temporary:
return _variables[variable] = ag.HiddenVariable(typeof(object), name);
default:
throw Assert.Unreachable;
}
}