Remove some more dynamic

Author: MDoerner

Rubberduck.Core/Navigation/RegexSearchReplace/RegexSearchReplace.cs

@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Text.RegularExpressions;
+using Antlr4.Runtime;
 using Rubberduck.Common;
 using Rubberduck.Parsing;
 using Rubberduck.Parsing.Symbols;
@@ -137,7 +138,15 @@ private List<RegexSearchResult> SearchCurrentBlock(string searchPattern)
                     var results = GetResultsFromModule(module, searchPattern);
 
                     var qualifiedSelection = pane.GetQualifiedSelection();
-                    dynamic block = state.AllDeclarations.FindTarget(qualifiedSelection.Value, declarationTypes).Context
+
+                    if (!qualifiedSelection.HasValue)
+                    {
+                        return new List<RegexSearchResult>();
+                    }
+
+                    var block = (ParserRuleContext)state.AllDeclarations
+                        .FindTarget(qualifiedSelection.Value, declarationTypes)
+                        .Context
                         .Parent;
                     var selection = new Selection(block.Start.Line, block.Start.Column, block.Stop.Line,
                         block.Stop.Column);

Rubberduck.Refactorings/Common/DeclarationExtensions.cs

@@ -4,6 +4,7 @@
 using System.Diagnostics.CodeAnalysis;
 using System.Globalization;
 using System.Linq;
+using Antlr4.Runtime;
 using Rubberduck.Parsing;
 using Rubberduck.Parsing.Grammar;
 using Rubberduck.Parsing.Symbols;
@@ -423,20 +424,14 @@ public static Declaration FindTarget(this IEnumerable<Declaration> declarations,
 
                 foreach (var reference in declaration.References)
                 {
-                    var proc = (dynamic)reference.Context.Parent;
+                    var proc = (ParserRuleContext)reference.Context.Parent;
                     var paramList = proc ;
 
-                    // This is to prevent throws when this statement fails:
-                    // (VBAParser.ArgsCallContext)proc.argsCall();
-                    var method = ((Type) proc.GetType()).GetMethod("argsCall");
-                    if (method != null)
+                    if (paramList == null)
                     {
-                        try { paramList = method.Invoke(proc, null); }
-                        catch { continue; }
+                        continue;
                     }
 
-                    if (paramList == null) { continue; }
-
                     activeSelection = new Selection(paramList.Start.Line,
                                                     paramList.Start.Column,
                                                     paramList.Stop.Line,