public void Init(MemoryPool pool)
{
SymbolLink self = new SymbolLink(typeof(IContextProvider));
pool.Bind(self);
pool.SetData(self, this);
SetValue(ID.Context, self);
}
public override void Bind(Executive.Parameter[] parameters, MemoryPool pool)
{
m_context = new SymbolLink(typeof(IContextProvider));
pool.Bind(m_context);
object data = QueryContext.Resolver.GetCurrentStack();
QueryContext.Resolver.SetValue(ID.Context, m_context);
m_compiledBody = new FunctionLink[m_expr.Length];
for (int k = 0; k < m_expr.Length; k++)
{
m_compiledBody[k] = new FunctionLink();
QueryContext.Engine.Compile(parameters, m_expr[k], m_compiledBody[k]);
}
if (Annotation != null)
{
m_compiledAnnotation = new FunctionLink[Annotation.Length];
for (int k = 0; k < Annotation.Length; k++)
{
m_compiledAnnotation[k] = new FunctionLink();
QueryContext.Engine.Compile(parameters, Annotation[k], m_compiledAnnotation[k]);
}
}
QueryContext.Resolver.RevertToStack(data);
}
public override void Bind(Executive.Parameter[] parameters, MemoryPool pool)
{
m_valueExpr = new FunctionLink();
QueryContext.Engine.Compile(parameters, m_expr, m_valueExpr);
m_value.IsStatic = true;
SymbolLink[] depends = QueryContext.Engine.GetValueDependences(null, parameters, m_expr, m_valueExpr, false);
foreach (SymbolLink s in depends)
if (!s.IsStatic)
{
m_value.IsStatic = false;
break;
}
object data = QueryContext.Resolver.GetCurrentStack();
pool.Bind(m_value);
QueryContext.Resolver.SetValue(m_var, m_value);
if (ConditionExpr != null)
{
m_conditionExpr = new FunctionLink();
QueryContext.Engine.Compile(parameters, ConditionExpr, m_conditionExpr);
}
m_bodyExpr.Bind(parameters, pool);
QueryContext.Resolver.RevertToStack(data);
}
public override void Bind(Executive.Parameter[] parameters, MemoryPool pool)
{
m_valueExpr = new FunctionLink();
QueryContext.Engine.Compile(parameters, m_expr, m_valueExpr);
object data = QueryContext.Resolver.GetCurrentStack();
pool.Bind(m_value);
QueryContext.Resolver.SetValue(m_var, m_value);
if (m_pos != null)
{
pool.Bind(m_posValue);
QueryContext.Resolver.SetValue(m_pos, m_posValue);
}
if (ConditionExpr != null)
{
m_conditionExpr = new FunctionLink();
QueryContext.Engine.Compile(parameters, ConditionExpr, m_conditionExpr);
}
m_bodyExpr.Bind(parameters, pool);
QueryContext.Resolver.RevertToStack(data);
}
public override void Bind(Executive.Parameter[] parameters, MemoryPool pool)
{
HashSet<SymbolLink> outerValues = new HashSet<SymbolLink>(QueryContext.Resolver.List());
foreach (XQueryExprBase expr in _path)
expr.Bind(parameters, pool);
EnableCaching = EnableCaching && !IsContextSensitive(parameters);
pool.Bind(_cache);
if (EnableCaching)
{
foreach (XQueryExprBase expr in _path)
expr.GetValueDependences(null, parameters, false, (SymbolLink value) =>
{
if (!value.IsStatic && outerValues.Contains(value))
value.OnChange += new ChangeValueAction(OnChangeValue);
});
}
}
