From 4b83ecbbaa413f5459098d4a011cf4bed685b06b Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Mon, 1 May 2000 20:14:12 +0000
Subject: Eric Raymond:

Add a convenience function to generate C-compiler style error leaders.
---
 Lib/shlex.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Lib/shlex.py b/Lib/shlex.py
index 95d08d2..575fc35 100644
--- a/Lib/shlex.py
+++ b/Lib/shlex.py
@@ -158,6 +158,14 @@ class shlex:
             newfile = newfile[1:-1]
         return (newfile, open(newfile, "r"))
 
+    def error_leader(self, infile=None, lineno=None):
+        "Emit a C-compiler-like, Emacs-friendly error-message leader."
+        if not infile:
+            infile = self.infile
+        if not lineno:
+            lineno = self.lineno
+        return "\"%s\", line %d: " % (infile, lineno)
+
 if __name__ == '__main__': 
 
     lexer = shlex()
-- 
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