Optimised code generation when the option for auto-compilation is used.

Signed-off-by: Dimitar Dobrev <dpldobrev@protonmail.com>

src/Generator/Generators/Template.cs

@@ -161,6 +161,55 @@ namespace CppSharp.Generators
             return builder.ToString();
         }
 
+        public StringBuilder GenerateUnformatted(DriverOptions options)
+        {
+            if (CheckGenerate != null && !CheckGenerate())
+                return new StringBuilder(0);
+
+            if (Blocks.Count == 0)
+                return Text.StringBuilder;
+
+            var builder = new StringBuilder();
+            Block previousBlock = null;
+
+            var blockIndex = 0;
+            foreach (var childBlock in Blocks)
+            {
+                var childText = childBlock.GenerateUnformatted(options);
+
+                var nextBlock = (++blockIndex < Blocks.Count)
+                    ? Blocks[blockIndex]
+                    : null;
+
+                if (nextBlock != null)
+                {
+                    var nextText = nextBlock.GenerateUnformatted(options);
+                    if (nextText.Length == 0 &&
+                        childBlock.NewLineKind == NewLineKind.IfNotEmpty)
+                        continue;
+                }
+
+                if (childText.Length == 0)
+                    continue;
+
+                if (previousBlock != null &&
+                    previousBlock.NewLineKind == NewLineKind.BeforeNextBlock)
+                    builder.AppendLine();
+
+                builder.Append(childText);
+
+                if (childBlock.NewLineKind == NewLineKind.Always)
+                    builder.AppendLine();
+
+                previousBlock = childBlock;
+            }
+
+            if (Text.StringBuilder.Length != 0)
+                builder.Append(Text.StringBuilder);
+
+            return builder;
+        }
+
         public bool IsEmpty
         {
             get
@@ -267,6 +316,8 @@ namespace CppSharp.Generators
 
         public string Generate()
         {
+            if (Options.IsCSharpGenerator && Options.CompileCode)
+                return RootBlock.GenerateUnformatted(Options).ToString();
             return RootBlock.Generate(Options);
         }