public void UndefineLocal(LocalDefinition definition, int end)
{
var scope = _variables[definition.Parameter];
scope.Stop = end;
if (scope.Parent != null)
{
_variables[definition.Parameter] = scope.Parent;
}
else
{
_variables.Remove(definition.Parameter);
}
_localCount--;
}
private LocalDefinition[] CompileBlockStart(BlockExpression node)
{
LocalDefinition[] emptyLocals;
int count = this._instructions.Count;
ReadOnlyCollection<ParameterExpression> variables = node.Variables;
if (variables.Count != 0)
{
emptyLocals = new LocalDefinition[variables.Count];
int num2 = 0;
foreach (ParameterExpression expression in variables)
{
LocalDefinition definition = this._locals.DefineLocal(expression, count);
emptyLocals[num2++] = definition;
this._instructions.EmitInitializeLocal(definition.Index, expression.Type);
}
}
else
{
emptyLocals = EmptyLocals;
}
for (int i = 0; i < (node.Expressions.Count - 1); i++)
{
this.CompileAsVoid(node.Expressions[i]);
}
return emptyLocals;
}
private void CompileBlockEnd(LocalDefinition[] locals)
{
foreach (LocalDefinition definition in locals)
{
this._locals.UndefineLocal(definition, this._instructions.Count);
}
}
public void UndefineLocal(LocalDefinition definition, int end)
{
VariableScope scope = this._variables[definition.Parameter];
scope.Stop = end;
if (scope.Parent != null)
{
this._variables[definition.Parameter] = scope.Parent;
}
else
{
this._variables.Remove(definition.Parameter);
}
this._localCount--;
}