Add a way to lint and generate #ifdefs around UEventAPI calls.

Author: tvandijck

.editorconfig

@@ -0,0 +1,9 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+tab_width = 4
+trim_trailing_whitespace = true
+insert_final_newline = true
+charset=utf-8

ServerCodeExciser/InjectionTable.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+
+namespace ServerCodeExciser
+{
+    public class InjectionTable
+    {
+        private readonly Dictionary<int, List<string>> m_table = new Dictionary<int, List<string>>();
+
+        public void Add(int line, string value)
+        {
+            if (m_table.TryGetValue(line, out var list))
+            {
+                list.Add(value);
+            }
+            else
+            {
+                m_table.Add(line, new List<string> { value });
+            }
+        }
+
+        public IEnumerable<string> Get(int line)
+        {
+            if (m_table.TryGetValue(line, out var list))
+            {
+                return list;
+            }
+            return Array.Empty<string>();
+        }
+    }
+}

ServerCodeExciser/ScopeStack.cs

@@ -0,0 +1,72 @@
+using System;
+using System.Collections.Generic;
+
+namespace ServerCodeExciser
+{
+    public class ScopeStack
+    {
+        private Dictionary<string, int> m_scopes = new Dictionary<string, int>();
+        private Stack<string> m_scope = new Stack<string>();
+
+        public bool Push(string name)
+        {
+            if (name.StartsWith("#ifdef "))
+            {
+                name = TrimAndStripComments(name.Substring(7));
+            }
+            else if (name.StartsWith("#if "))
+            {
+                name = TrimAndStripComments(name.Substring(4));
+            }
+            else if (name.StartsWith("#ifndef "))
+            {
+                name = "!" + TrimAndStripComments(name.Substring(8));
+            }
+
+            m_scope.Push(name);
+
+            if (m_scopes.ContainsKey(name) && m_scopes[name] > 0)
+            {
+                m_scopes[name] += 1;
+                return false;
+            }
+            else
+            {
+                m_scopes[name] = 1;
+                return true;
+            }
+        }
+
+        public bool Pop(out string name)
+        {
+            if (m_scope.Count <= 0)
+            {
+                name = string.Empty;
+                return false;
+            }
+
+            name = m_scope.Pop();
+            m_scopes[name] -= 1;
+            return m_scopes[name] == 0;
+        }
+
+        public bool IsInScope(string name)
+        {
+            if (m_scopes.TryGetValue(name, out var count))
+            {
+                return count > 0;
+            }
+            return false;
+        }
+
+        private string TrimAndStripComments(string text)
+        {
+            int idx = text.IndexOf("//");
+            if (idx >= 0)
+            {
+                return text.Substring(0, idx).Trim();
+            }
+            return text.Trim();
+        }
+    }
+}

ServerCodeExciser/ScriptBuilder.cs

@@ -0,0 +1,71 @@
+using System;
+using System.Text;
+
+namespace ServerCodeExciser
+{
+    public class ScriptBuilder
+    {
+        private ScopeStack m_scope = new ScopeStack();
+        private StringBuilder m_text = new StringBuilder();
+
+        public void AddLine(string line)
+        {
+            var trimmedLine = line.Trim();
+            if (trimmedLine.StartsWith("#ifdef "))
+            {
+                if (m_scope.Push(trimmedLine))
+                {
+                    m_text.AppendLine(trimmedLine);
+                }
+            }
+            else if (trimmedLine.StartsWith("#if "))
+            {
+                if (m_scope.Push(trimmedLine))
+                {
+                    m_text.AppendLine(trimmedLine);
+                }
+            }
+            else if (trimmedLine.StartsWith("#ifndef "))
+            {
+                if (m_scope.Push(trimmedLine))
+                {
+                    m_text.AppendLine(trimmedLine);
+                }
+            }
+            else if (trimmedLine.StartsWith("#else"))
+            {
+                if (m_scope.Pop(out var name))
+                {
+                    name = name.Trim('!');
+                    m_scope.Push(name);
+                    m_text.AppendLine($"#else // {name}");
+                }
+                else
+                {
+                    m_text.AppendLine($"#else");
+                }
+            }
+            else if (trimmedLine.StartsWith("#endif"))
+            {
+                if (m_scope.Pop(out var name))
+                {
+                    m_text.AppendLine($"#endif // {name}");
+                }
+            }
+            else
+            {
+                m_text.AppendLine(line);
+            }
+        }
+
+        public override string ToString()
+        {
+            return m_text.ToString();
+        }
+
+        public bool IsInScope(string name)
+        {
+            return m_scope.IsInScope(name);
+        }
+    }
+}

ServerCodeExciser/ServerCodeExciser.cs

@@ -1,4 +1,4 @@
-using ServerCodeExcisionCommon;
+using ServerCodeExcisionCommon;
 using Spectre.Console;
 using Spectre.Console.Cli;
 using System;
@@ -9,7 +9,7 @@
 using System.Text.Json.Serialization;
 using UnrealAngelscriptServerCodeExcision;
 
-namespace ServerCodeExcision
+namespace ServerCodeExciser
 {
     internal sealed class ServerCodeExciserCommand : Command<ServerCodeExciserCommand.Settings>
     {
@@ -75,7 +75,7 @@ public override ValidationResult Validate()
         class RootPaths
         {
             [JsonPropertyName("AngelscriptScriptRoots")]
-            public string[] AngelscriptScriptRoots { get;set;} = Array.Empty<string>();
+            public string[] AngelscriptScriptRoots { get; set; } = Array.Empty<string>();
         }
 
         public override int Execute([NotNull] CommandContext context, [NotNull] Settings settings)
@@ -99,7 +99,7 @@ public override int Execute([NotNull] CommandContext context, [NotNull] Settings
                 var desc = File.ReadAllText(settings.InputPath);
                 var paths = JsonSerializer.Deserialize<RootPaths>(desc);
                 if (paths != null)
-                { 
+                {
                     parameters.InputPaths.UnionWith(paths.AngelscriptScriptRoots);
                 }
                 else
@@ -108,7 +108,7 @@ public override int Execute([NotNull] CommandContext context, [NotNull] Settings
                     return (int)EExciserReturnValues.InternalExcisionError;
                 }
             }
-            else if(Directory.Exists(settings.InputPath))
+            else if (Directory.Exists(settings.InputPath))
             {
                 parameters.InputPaths.Add(settings.InputPath);
             }
@@ -143,7 +143,7 @@ public override int Execute([NotNull] CommandContext context, [NotNull] Settings
     }
 
 
-    public class ServerCodeExciser
+    public class ServerCodeExciserProgram
     {
         public static int Main(string[] args)
         {