public override void Match (MatchContext context) {
foreach (var pattern in patterns) {
pattern.Match(context);
if (!context.success)
break;
}
}
public override void Match(MatchContext context)
{
pattern.Match (context);
if (!context.IsMatch) return;
var match = GetLastMatchingInstruction(context);
var field = (FieldInfo)match.Operand;
context.AddData(BackingFieldKey, field);
}
public override void Match(MatchContext context)
{
pattern.Match(context);
if (!context.IsMatch) return;
var match = GetLastMatchingInstruction(context);
var method = (MethodInfo)match.Operand;
if (!IsActivateCall(method)) context.IsMatch = false;
}
public override void Match (MatchContext context) {
if (context.instruction == null) {
context.success = false;
return;
}
context.success = context.instruction.OpCode == opcode;
context.Advance();
}
public override void Match (MatchContext context) {
pattern.TryMatch(context);
}
public static MatchContext Match (MethodBase method, ILPattern pattern) {
if (method == null)
throw new ArgumentNullException("method");
if (pattern == null)
throw new ArgumentNullException("pattern");
var instructions = method.GetInstructions();
if (instructions.Count == 0)
throw new ArgumentException();
var context = new MatchContext(instructions[0]);
pattern.Match(context);
return context;
}
public bool TryMatch (MatchContext context) {
var instruction = context.instruction;
Match(context);
if (context.success)
return true;
context.Reset(instruction);
return false;
}
protected static Instruction GetLastMatchingInstruction (MatchContext context) {
if (context.instruction == null)
return null;
return context.instruction.Previous;
}
public abstract void Match (MatchContext context);
public override void Match (MatchContext context) {
if (!a.TryMatch(context))
b.Match(context);
}
private static FieldInfo GetFieldFromContext(MatchContext context)
{
object data;
if (!context.TryGetData(BackingFieldPattern.BackingFieldKey, out data)) throw new NotSupportedException();
return (FieldInfo)data;
}
public override void Match(MatchContext context)
{
pattern.TryMatch(context);
}
public abstract void Match(MatchContext context);
