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;;======================================================================
(use regex regex-case matchable) ;; directory-utils)
(declare (unit configf))
(declare (uses process))
(declare (uses env))
(declare (uses keys))
(declare (uses commonmod))
(declare (uses commonmod.import))
(import commonmod)
(include "common_records.scm")
;; return list (path fullpath configname)
(define (find-config configname #!key (toppath #f))
(if toppath
(let ((cfname (conc toppath "/" configname)))
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;; read a line and process any #{ ... } constructs
(define configf:var-expand-regex (regexp "^(.*)#\\{(scheme|system|shell|getenv|get|runconfigs-get|rget|scm|sh|rp|gv|g|mtrah)\\s+([^\\}\\{]*)\\}(.*)"))
(define (configf:system ht cmd)
(system cmd)
)
(define configf:imports "(import commonmod)")
(define (configf:process-line l ht allow-system #!key (linenum #f))
(let loop ((res l))
(if (string? res)
(let ((matchdat (string-search configf:var-expand-regex res)))
(if matchdat
(let* ((prestr (list-ref matchdat 1))
(cmdtype (list-ref matchdat 2)) ;; eval, system, shell, getenv
(cmd (list-ref matchdat 3))
(poststr (list-ref matchdat 4))
(result #f)
(start-time (current-seconds))
(cmdsym (string->symbol cmdtype))
(fullcmd (case cmdsym
((scheme scm) (conc "(lambda (ht)" cmd ")"))
((scheme scm) (conc "(lambda (ht)(begin " configf:imports cmd "))"))
((system) (conc "(lambda (ht)(configf:system ht \"" cmd "\"))"))
((shell sh) (conc "(lambda (ht)(string-translate (shell \"" cmd "\") \"\n\" \" \"))"))
((realpath rp)(conc "(lambda (ht)(common:nice-path \"" cmd "\"))"))
((getenv gv) (conc "(lambda (ht)(get-environment-variable \"" cmd "\"))"))
((mtrah) (conc "(lambda (ht)"
" (let ((extra \"" cmd "\"))"
" (conc (or *toppath* (get-environment-variable \"MT_RUN_AREA_HOME\"))"
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