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* lisp/eshell/esh-cmd.el (eshell--sep-terms): New var.

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(eshell-parse-command, eshell-parse-pipeline): Use it since
eshell-separate-commands requires a dynamic scoped var.
Reported by Jan Moringen <jmoringe@techfak.uni-bielefeld.de>.
This commit is contained in:
Stefan Monnier 2013-09-23 19:23:32 -04:00
parent 3a6a78fd25
commit 84998447c3
2 changed files with 20 additions and 11 deletions
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24
lisp/eshell/esh-cmd.el
View file

@ -339,13 +339,15 @@ otherwise t.")
;; Command parsing
(defvar eshell--sep-terms)
(defun eshell-parse-command (command &optional args toplevel)
"Parse the COMMAND, adding ARGS if given.
COMMAND can either be a string, or a cons cell demarcating a buffer
region. TOPLEVEL, if non-nil, means that the outermost command (the
user's input command) is being parsed, and that pre and post command
hooks should be run before and after the command."
(let* (sep-terms
(let* (eshell--sep-terms
(terms
(append
(if (consp command)
@ -365,16 +367,16 @@ hooks should be run before and after the command."
(function
(lambda (cmd)
(setq cmd
(if (or (not (car sep-terms))
(string= (car sep-terms) ";"))
(if (or (not (car eshell--sep-terms))
(string= (car eshell--sep-terms) ";"))
(eshell-parse-pipeline cmd)
`(eshell-do-subjob
(list ,(eshell-parse-pipeline cmd)))))
(setq sep-terms (cdr sep-terms))
(setq eshell--sep-terms (cdr eshell--sep-terms))
(if eshell-in-pipeline-p
cmd
`(eshell-trap-errors ,cmd))))
(eshell-separate-commands terms "[&;]" nil 'sep-terms))))
(eshell-separate-commands terms "[&;]" nil 'eshell--sep-terms))))
(let ((cmd commands))
(while cmd
(if (cdr cmd)
@ -586,9 +588,9 @@ For an external command, it means an exit code of 0."
(defun eshell-parse-pipeline (terms)
"Parse a pipeline from TERMS, return the appropriate Lisp forms."
(let* (sep-terms
(let* (eshell--sep-terms
(bigpieces (eshell-separate-commands terms "\\(&&\\|||\\)"
nil 'sep-terms))
nil 'eshell--sep-terms))
(bp bigpieces)
(results (list t))
final)
@ -620,15 +622,15 @@ For an external command, it means an exit code of 0."
results (nreverse results)
final (car results)
results (cdr results)
sep-terms (nreverse sep-terms))
eshell--sep-terms (nreverse eshell--sep-terms))
(while results
(cl-assert (car sep-terms))
(cl-assert (car eshell--sep-terms))
(setq final (eshell-structure-basic-command
'if (string= (car sep-terms) "&&") "if"
'if (string= (car eshell--sep-terms) "&&") "if"
`(eshell-protect ,(car results))
`(eshell-protect ,final))
results (cdr results)
sep-terms (cdr sep-terms)))
eshell--sep-terms (cdr eshell--sep-terms)))
final))
(defun eshell-parse-subcommand-argument ()