diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | Doc/Zsh/prompt.yo | 6 | ||||
| -rw-r--r-- | Src/prompt.c | 13 |
3 files changed, 24 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index b176ff863..3a2016e66 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2014-08-29 Peter Stephenson <p.stephenson@samsung.com> + + * 33057: Doc/Zsh/prompt.yo, Src/prompt.c: %e in prompts shows + evaluation / execution depth. + 2014-08-28 Peter Stephenson <p.w.stephenson@ntlworld.com> * 33062: Etc/zsh-development-guide: update note on use of diff --git a/Doc/Zsh/prompt.yo b/Doc/Zsh/prompt.yo index 0ed52b580..183a93a3b 100644 --- a/Doc/Zsh/prompt.yo +++ b/Doc/Zsh/prompt.yo @@ -108,6 +108,12 @@ the full path; ifzman(see em(Dynamic) and em(Static named directories) in zmanref(zshexpn))\ ifnzman(noderef(Filename Expansion)). ) +item(tt(%e))( +Evaluation depth of the current sourced file, shell function, or tt(eval). +This is incremented or decremented every time the value of tt(%N) is +set or reverted to a previous value, respectively. This is most useful +for debugging as part of tt($PS4). +) xitem(tt(%h)) item(tt(%!))( Current history event number. 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()) { |