Mono.CSharp.Catch.Resolve C# (CSharp) Method

		public override bool Resolve (BlockContext ec)
		{
			using (ec.With (ResolveContext.Options.CatchScope, true)) {
				if (type_expr != null) {
					TypeExpr te = type_expr.ResolveAsTypeTerminal (ec, false);
					if (te == null)
						return false;

					type = te.Type;
					if (type != TypeManager.exception_type && !TypeSpec.IsBaseClass (type, TypeManager.exception_type, false)) {
						ec.Report.Error (155, loc, "The type caught or thrown must be derived from System.Exception");
					} else if (li != null) {
						li.Type = type;
						li.PrepareForFlowAnalysis (ec);

						// source variable is at the top of the stack
						Expression source = new EmptyExpression (li.Type);
						if (li.Type.IsGenericParameter)
							source = new UnboxCast (source, li.Type);

						assign = new CompilerAssign (new LocalVariableReference (li, loc), source, loc);
						Block.AddScopeStatement (new StatementExpression (assign));
					}
				}

				return Block.Resolve (ec);
			}
		}