From 611aa35750a2be6ae8f3c9e3680e48ae9cec5d73 Mon Sep 17 00:00:00 2001
From: Joao Matos <joao@tritao.eu>
Date: Thu, 23 Feb 2017 18:09:33 +0000
Subject: [PATCH] Added a generation method for multi-line comments.

---
 src/AST/Comment.cs                        | 58 ++++++++++++++++++++++-
 src/Generator/Generators/CodeGenerator.cs | 15 ++++++
 2 files changed, 72 insertions(+), 1 deletion(-)

diff --git a/src/AST/Comment.cs b/src/AST/Comment.cs
index fd53245f..933052b6 100644
--- a/src/AST/Comment.cs
+++ b/src/AST/Comment.cs
@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 
 namespace CppSharp.AST
 {
@@ -125,6 +126,61 @@ namespace CppSharp.AST
         public CommentKind Kind { get; set; }
 
         public abstract void Visit<T>(ICommentVisitor<T> visitor);
+
+        public static string GetMultiLineCommentPrologue(RawCommentKind kind)
+        {
+            switch (kind)
+            {
+            case RawCommentKind.OrdinaryBCPL:
+            case RawCommentKind.BCPLExcl:
+                return "//";
+            case RawCommentKind.OrdinaryC:
+            case RawCommentKind.JavaDoc:
+            case RawCommentKind.Qt:
+                return " *";
+            case RawCommentKind.BCPLSlash:
+                return "///";
+            default:
+                throw new ArgumentOutOfRangeException();
+            }
+        }
+
+        public static string GetLineCommentPrologue(RawCommentKind kind)
+        {
+            switch (kind)
+            {
+            case RawCommentKind.OrdinaryBCPL:
+            case RawCommentKind.BCPLSlash:
+                return string.Empty;
+            case RawCommentKind.OrdinaryC:
+                return "/*";
+            case RawCommentKind.BCPLExcl:
+                return "//!";
+            case RawCommentKind.JavaDoc:
+                return "/**";
+            case RawCommentKind.Qt:
+                return "/*!";
+            default:
+                throw new ArgumentOutOfRangeException();
+            }
+        }
+
+        public static string GetLineCommentEpilogue(RawCommentKind kind)
+        {
+            switch (kind)
+            {
+            case RawCommentKind.OrdinaryBCPL:
+            case RawCommentKind.BCPLSlash:
+            case RawCommentKind.BCPLExcl:
+                return string.Empty;
+            case RawCommentKind.OrdinaryC:
+            case RawCommentKind.JavaDoc:
+            case RawCommentKind.Qt:
+                return " */";
+            default:
+                throw new ArgumentOutOfRangeException();
+            }
+        }
     }
 
     #region Comments
diff --git a/src/Generator/Generators/CodeGenerator.cs b/src/Generator/Generators/CodeGenerator.cs
index f9835cf3..bb16b535 100644
--- a/src/Generator/Generators/CodeGenerator.cs
+++ b/src/Generator/Generators/CodeGenerator.cs
@@ -40,6 +40,21 @@ namespace CppSharp.Generators
             return base.Generate();
         }
 
+        public void GenerateMultiLineComment(List<string> lines, RawCommentKind kind)
+        {
+            var lineCommentPrologue = Comment.GetLineCommentPrologue(kind);
+            if (!string.IsNullOrWhiteSpace(lineCommentPrologue))
+                WriteLine("{0}", lineCommentPrologue);
+
+            var multiLineCommentPrologue = Comment.GetMultiLineCommentPrologue(kind);
+            foreach (var line in lines)
+                WriteLine("{0} {1}", multiLineCommentPrologue, line);
+
+            var lineCommentEpilogue = Comment.GetLineCommentEpilogue(kind);
+            if (!string.IsNullOrWhiteSpace(lineCommentEpilogue))
+                WriteLine("{0}", lineCommentEpilogue);
+        }
+
         public virtual void GenerateFilePreamble()
         {
             PushBlock(BlockKind.Header);