public InterfaceData ExtractInterface(string code)
{
var lines = code
.Split(new[] { Environment.NewLine }, StringSplitOptions.None)
.SelectMany(line => line.Split('\r', '\n'))
.ToList();
while (lines.Count > 0 && !RE1.IsMatch(lines[0]))
{
lines.RemoveAt(0);
}
// count the { and } characters until they match
int?balance = null;
for (var i = 0; i < lines.Count; i++)
{
var openCount = lines[i].Count(it => it == '{');
var closedCount = lines[i].Count(it => it == '}');
if (openCount > 0)
{
balance = balance.GetValueOrDefault() + openCount;
}
if (closedCount > 0)
{
balance = balance.GetValueOrDefault() - closedCount;
}
// if there's no { on the "interface ISomething" line, that doesn't mean they're balanced
// we need to encounter at least one { or } before we can decide that
if (balance.HasValue && balance.Value <= 0)
{
lines = lines.Take(i + 1).ToList();
}
}
var interfaceCode = string.Join(Environment.NewLine, lines);
var match = RE2.Match(interfaceCode);
var name = match.Groups[1].Value;
return(new InterfaceData {
Name = name, Code = interfaceCode
});
}
public List <Statement> Equivalences(Statement s)
{
List <Statement> list = new List <Statement>();
string lisp = s.Lisp;
HashSet <string> atoms = GetAtomics(s);
foreach (Match m in RE1.Matches(lisp))
{
GroupCollection gc = m.Groups;
string[] lisps = new string[AMap2.Count];
foreach (string k in AMap1.Keys)
{
if (AMap2.ContainsKey(k))
{
lisps[AMap2[k]] = gc[AMap1[k] + 1].Value;
}
}
for (int i = 0; i < lisps.Length; ++i)
{
if (lisps[i] == null)
{
char c = 'A';
while (atoms.Contains(c.ToString()))
{
++c;
}
atoms.Add(c.ToString());
lisps[i] = c.ToString();
}
}
Statement n = Statement.NewParse(string.Format(FS2, lisps));
if (n != null)
{
list.Add(n);
}
}
atoms = GetAtomics(s);
foreach (Match m in RE2.Matches(lisp))
{
GroupCollection gc = m.Groups;
string[] lisps = new string[AMap1.Count];
foreach (string k in AMap2.Keys)
{
if (AMap1.ContainsKey(k))
{
lisps[AMap1[k]] = gc[AMap2[k] + 1].Value;
}
}
for (int i = 0; i < lisps.Length; ++i)
{
if (lisps[i] == null)
{
char c = 'A';
while (atoms.Contains(c.ToString()))
{
++c;
}
atoms.Add(c.ToString());
lisps[i] = c.ToString();
}
}
Statement n = Statement.NewParse(string.Format(FS1, lisps));
if (n != null)
{
list.Add(n);
}
}
return(list);
}