From 711e1427b5eb80104b4d6ad1504f43ea958970d8 Mon Sep 17 00:00:00 2001
From: Peter Stephenson <pws@zsh.org>
Date: Fri, 29 Aug 2014 09:46:34 +0100
Subject: 33057: %e in prompts shows evaluation / execution depth

---
 Src/prompt.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'Src/prompt.c')

diff --git a/Src/prompt.c b/Src/prompt.c
index 328ae3c66..47625351f 100644
--- a/Src/prompt.c
+++ b/Src/prompt.c
@@ -786,6 +786,19 @@ putpromptchar(int doprint, int endchar, unsigned int *txtchangep)
 		if(bv->Rstring)
 		    stradd(bv->Rstring);
 		break;
+	    case 'e':
+	    {
+		int depth = 0;
+		Funcstack fsptr = funcstack;
+		while (fsptr) {
+		    depth++;
+		    fsptr = fsptr->prev;
+		}
+		addbufspc(DIGBUFSIZE);
+		sprintf(bv->bp, "%d", depth);
+		bv->bp += strlen(bv->bp);
+		break;
+	    }
 	    case 'I':
 		if (funcstack && funcstack->tp != FS_SOURCE &&
 		    !IN_EVAL_TRAP()) {
-- 
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