[PATCH 3/3] userdiff: learn the C++ spaceship operator

From: Johannes Sixt via GitGitGadget <gitgitgadget@gmail.com>
Date: Oct 7, 2021, 06:51 UTC
Message-ID: <df66485e7f019dd81f53f73fd3772bf0b678059d.1633589461.git.gitgitgadget@gmail.com>
In-Reply-To: <pull.1054.git.1633589461.gitgitgadget@gmail.com>

From: Johannes Sixt <j6t@kdbg.org>

Since C++20, the language has a generalized comparison operator. Teach the cpp driver not to separate it into <= and > tokens.

Signed-off-by: Johannes Sixt <j6t@kdbg.org>
---
 userdiff.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/userdiff.c b/userdiff.c
index 1b640c7df79..13cec0b48db 100644
--- a/userdiff.c
+++ b/userdiff.c
@@ -62,7 +62,7 @@ PATTERNS("cpp",
 	 "|0[xXbB][0-9a-fA-F']+[lLuU]*"
 	 /* floatingpoint numbers that begin with a decimal point */
 	 "|\\.[0-9']+([Ee][-+]?[0-9]+)?[fFlL]?"
-	 "|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->\\*?|\\.\\*"),
+	 "|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->\\*?|\\.\\*|<=>"),
 PATTERNS("csharp",
 	 /* Keywords */
 	 "!^[ \t]*(do|while|for|if|else|instanceof|new|return|switch|case|throw|catch|using)\n"

-- 
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