IEnumerable <IMatcher> ListMatchers(MatcherKind kind, IWarningLogger log)
{
mlist_had_error = false;
foreach (Type t in VisibleTypes)
{
object[] attrs = t.GetCustomAttributes(typeof(MatcherAttribute), false);
if (attrs == null || attrs.Length == 0)
{
continue;
}
if (((MatcherAttribute)attrs[0]).Kind != kind)
{
continue;
}
object o;
if (InstantiateBoundType(t, out o, log))
{
mlist_had_error = true;
yield break;
}
yield return((IMatcher)o);
}
}
private MatcherInfo(MatcherKind kind, Type argType, int argPosition, string argName, string expressionString)
{
this.Kind = kind;
this.ArgType = argType;
this.ArgPosition = argPosition;
this.ArgName = argName;
this.ExpressionString = expressionString;
}
public bool TryMatch(string name, MatcherKind kind, out TargetTemplate tmpl, IWarningLogger log)
{
tmpl = null;
IMatcher which = null;
int quality = 0;
IEnumerable <IMatcher> mlist = GetMatchers(kind, log);
if (mlist == null)
{
return(true);
}
foreach (IMatcher m in mlist)
{
int q;
TargetTemplate match = m.TryMatch(name, out q);
if (match == null)
{
continue;
}
if (q < quality)
{
continue;
}
if (tmpl != null && q == quality)
{
// FIXME: provide a way to specify which one should take priority!
string s = String.Format("Two matches succeed with equal quality: " +
"{0} and {1}; going with the first",
which, m);
log.Warning(2026, s, name);
break;
}
which = m;
tmpl = match;
quality = q;
}
return(false);
}
public override IEnumerable <IMatcher> GetMatchers(MatcherKind kind, IWarningLogger log)
{
if (bm == null)
{
throw new Exception("Need to set manager before performing type lookup.");
}
if (!matchers.ContainsKey(kind))
{
mlist_had_error = false;
matchers[kind] = new List <IMatcher> (ListMatchers(kind, log));
if (mlist_had_error)
{
matchers[kind] = null;
return(null);
}
}
return(matchers[kind]);
}
public bool TryMatch (string name, MatcherKind kind, out TargetTemplate tmpl, IWarningLogger log)
{
tmpl = null;
IMatcher which = null;
int quality = 0;
IEnumerable<IMatcher> mlist = GetMatchers (kind, log);
if (mlist == null)
return true;
foreach (IMatcher m in mlist) {
int q;
TargetTemplate match = m.TryMatch (name, out q);
if (match == null)
continue;
if (q < quality)
continue;
if (tmpl != null && q == quality) {
// FIXME: provide a way to specify which one should take priority!
string s = String.Format ("Two matches succeed with equal quality: " +
"{0} and {1}; going with the first",
which, m);
log.Warning (2026, s, name);
break;
}
which = m;
tmpl = match;
quality = q;
}
return false;
}
public abstract IEnumerable<IMatcher> GetMatchers (MatcherKind kind, IWarningLogger log);
public abstract IEnumerable <IMatcher> GetMatchers(MatcherKind kind, IWarningLogger log);
IEnumerable<IMatcher> ListMatchers (MatcherKind kind, IWarningLogger log)
{
mlist_had_error = false;
foreach (Type t in VisibleTypes) {
object[] attrs = t.GetCustomAttributes (typeof (MatcherAttribute), false);
if (attrs == null || attrs.Length == 0)
continue;
if (((MatcherAttribute) attrs[0]).Kind != kind)
continue;
object o;
if (InstantiateBoundType (t, out o, log)) {
mlist_had_error = true;
yield break;
}
yield return (IMatcher) o;
}
}
public override IEnumerable<IMatcher> GetMatchers (MatcherKind kind, IWarningLogger log)
{
if (bm == null)
throw new Exception ("Need to set manager before performing type lookup.");
if (!matchers.ContainsKey (kind)) {
mlist_had_error = false;
matchers[kind] = new List<IMatcher> (ListMatchers (kind, log));
if (mlist_had_error) {
matchers[kind] = null;
return null;
}
}
return matchers[kind];
}
public MatcherAttribute (MatcherKind kind)
{
this.kind = kind;
}
public MatcherAttribute(MatcherKind kind)
{
this.kind = kind;
}
