From c6b1b610c8013c78600c3ce18fb24d45e944b665 Mon Sep 17 00:00:00 2001
From: Gesa Hentschke <gesa.hentschke@posteo.de>
Date: Sat, 11 Apr 2026 00:50:16 +0200
Subject: [PATCH] feat: support multiline/block comments for C/C++

Fixes #1003

Extending the onEnterRules
---
 .../cpp/c.language-configuration.json         | 27 +++++++++++++++++++
 .../cpp/cpp.language-configuration.json       | 26 ++++++++++++++++++
 2 files changed, 53 insertions(+)

diff --git a/org.eclipse.tm4e.language_pack/syntaxes/cpp/c.language-configuration.json b/org.eclipse.tm4e.language_pack/syntaxes/cpp/c.language-configuration.json
index cb1fb733b..58b416e33 100644
--- a/org.eclipse.tm4e.language_pack/syntaxes/cpp/c.language-configuration.json
+++ b/org.eclipse.tm4e.language_pack/syntaxes/cpp/c.language-configuration.json
@@ -122,11 +122,38 @@
 			},
 			"afterText": {
 				"pattern": "^(?!\\s*$).+"
+				
 			},
 			"action": {
 				"indent": "none",
 				"appendText": "// "
 			}
 		},
+		// Start of /* or /** -> create block comment and indent
+		{
+			"beforeText": {
+				"pattern": "^\\s*/\\*\\*?"
+			},
+			"afterText": {
+				"pattern": "^\\s*(\\*/)?$"
+			},
+			"action": {
+				"indent": "indentOutdent",
+				"appendText": " * "
+			}
+		},
+		// Inside block comment -> keep inside block comment and don't indent
+		{
+			"beforeText": {
+				"pattern": "^\\s*\\*(?!/)(?!.*\\*/\\s*$).*"
+			},
+			"afterText": {
+				"pattern": "^\\s*"
+			},
+			"action": {
+				"indent": "none",
+				"appendText": "* "
+			}
+		}
 	]
 }
diff --git a/org.eclipse.tm4e.language_pack/syntaxes/cpp/cpp.language-configuration.json b/org.eclipse.tm4e.language_pack/syntaxes/cpp/cpp.language-configuration.json
index cb1fb733b..b30fee7d1 100644
--- a/org.eclipse.tm4e.language_pack/syntaxes/cpp/cpp.language-configuration.json
+++ b/org.eclipse.tm4e.language_pack/syntaxes/cpp/cpp.language-configuration.json
@@ -128,5 +128,31 @@
 				"appendText": "// "
 			}
 		},
+		// Start of /* or /** -> create block comment and indent
+		{
+			"beforeText": {
+				"pattern": "^\\s*/\\*\\*?"
+			},
+			"afterText": {
+				"pattern": "^\\s*(\\*/)?$"
+			},
+			"action": {
+				"indent": "indentOutdent",
+				"appendText": " * "
+			}
+		},
+		// Inside block comment -> keep inside block comment and don't indent
+		{
+			"beforeText": {
+				"pattern": "^\\s*\\*(?!/)(?!.*\\*/\\s*$).*"
+			},
+			"afterText": {
+				"pattern": "^\\s*"
+			},
+			"action": {
+				"indent": "none",
+				"appendText": "* "
+			}
+		}		
 	]
 }