From cf02d3ed214a099fa56b4007d472d69e46411de0 Mon Sep 17 00:00:00 2001 From: Lute Kamstra Date: Tue, 14 Jun 2005 11:36:41 +0000 Subject: [PATCH] (Function Debugging): Primitives can break on entry too. --- lispref/debugging.texi | 22 +++++++++++++--------- 1 file changed, 13 insertions(+), 9 deletions(-) diff --git a/lispref/debugging.texi b/lispref/debugging.texi index ae3fbdbb480..739dd1fe298 100644 --- a/lispref/debugging.texi +++ b/lispref/debugging.texi @@ -210,15 +210,19 @@ called shortly before the problem, step quickly over the call to that function, and then step through its caller. @deffn Command debug-on-entry function-name -This function requests @var{function-name} to invoke the debugger each time -it is called. It works by inserting the form @code{(debug 'debug)} into -the function definition as the first form. - -Any function defined as Lisp code may be set to break on entry, -regardless of whether it is interpreted code or compiled code. If the -function is a command, it will enter the debugger when called from Lisp -and when called interactively (after the reading of the arguments). You -can't debug primitive functions (i.e., those written in C) this way. +This function requests @var{function-name} to invoke the debugger each +time it is called. It works by inserting the form +@code{(implement-debug-on-entry)} into the function definition as the +first form. + +Any function or macro defined as Lisp code may be set to break on +entry, regardless of whether it is interpreted code or compiled code. +If the function is a command, it will enter the debugger when called +from Lisp and when called interactively (after the reading of the +arguments). You can also set debug-on-entry for primitive functions +(i.e., those written in C) this way, but it only takes effect when the +primitive is called from Lisp code. Debug-on-entry is not allowed for +special forms. When @code{debug-on-entry} is called interactively, it prompts for @var{function-name} in the minibuffer. If the function is already set -- 2.39.2