zOs/REXX/ALIB222
/* rexx ---------------------------------------------------------------
caDb2: start the ca tools with cs Libraries
options d: debug, say which libraries
w: with test and personal work libs (wk.rexx ...)
t: with test libs (dsn.cadb2.cs.execTst ...)
: with prod libs (dsn.cadb2.cs.exec)
---------------------------------------------------------------------*/
parse arg args
parse source . . self . selfLib .
trace ?r
say self 'in' selfLib
m.pre = 'dsn.db2'
if self = 'ALIB' then do
if args = '-' then
return deactLibs()
else
return actLibs()
end
call actLibs
interpret 'call' self 'args'
res = result
cal deactLibs
return res
actLibs: procedure expose m.
call adrTso "ALTLIB ACTIVATE APPLICATION(EXEC)",
"DATASET('"m.pre".exec') stack"
call adrIsp "libDef ispPLib dataset",
"id('"m.pre".panel') stack"
return
endProcedure actLibs
deactLibs: procedure expose m.
call adrTso "ALTLIB DEACTIVATE APPLICATION(EXEC)"
call adrIsp "libDef ispPLib"
return
endProcedure deactLibs
/* copy adrIsp begin *************************************************/
/**********************************************************************
lmd: catalog read
call sequence: lmdBegin, lmdNext*, lmdEnd
mit lmd service (mit save in file und read,
weil list zu langsam und listcat abstürzt)
1. arg (grp) als group dataset für lmd save
und dd name für file read
***********************************************************************/
lmdBegin: procedure expose m.
parse arg grp, lev
call adrIsp 'lmdinit listid(lmdId) level('lev')'
res = adrIsp('lmdlist listid(&lmdId) option(save) group('grp')', 4)
call adrIsp 'lmdfree listid(&lmdId)'
if res = 0 then do
call trc timing() 'lmdlist save' grp lev
call adrTso 'alloc dd('grp') shr dsn('grp'.datasets)'
end
else do
call trc 'no datasets found' timing() 'lmdlist save' grp lev
call adrTso 'alloc dd('grp') dummy'
end
call tsoOpen grp, 'R'
return /* end lmdBegin */
lmdNext:
parse arg ggGrp, ggSt, withVolume
if \ readDD(ggGrp, ggSt) then
return 0
if withVolume \== 1 then
do ggIx=1 to value(ggSt'0')
x = value(ggSt || ggIx, word(value(ggSt || ggIx), 1))
end
return 1
endSubroutin lmdNext
lmdEnd: procedure expose m.
parse arg grp
call tsoClose grp
call adrTso 'free dd('grp')'
return /* end lmdEnd */
lmd: procedure expose m.
parse arg lev, withVol
call lmdBegin gg1, lev
do while lmdNext(gg1, q., withVol)
do x=1 to q.0
call out q.x
end
end
call lmdEnd gg1
return
endProcedure lmd
/**********************************************************************
member list of a pds:
call sequence x=lmmBegin(dsn) lmmNext(x) * lmmEnd(x)
***********************************************************************/
lmm: procedure expose m.
parse arg dsn
id = lmmBegin(dsn)
do ix=1 by 1
m = lmmNext(id)
if m = '' then
leave
call out m
end
call lmmEnd id
return
endProcedure lmm
lmmBegin: procedure expose m.
parse arg dsn
mbr = dsnGetMbr(dsn)
pds = dsnSetMbr(dsn, )
call adrIsp "LMINIT DATAID(lmmId) DATASET('"pds"') ENQ(SHRW)"
call adrIsp "LMOPEN DATAID("lmmId") OPTION(INPUT) "
res = lmmId
if mbr <> '' then
res = res 'pattern('mbr')'
return res
endProcedure lmmBegin
lmmEnd: procedure expose m.
parse arg lmmId opt
call adrIsp "LMMLIST DATAID("lmmId") option(free)", 8
call adrIsp "LMCLOSE DATAID("lmmId")"
call adrIsp "LMFREE DATAID("lmmId")"
return
endProcedure lmmEnd
lmmNext: procedure expose m.
parse arg lmmId opt
if adrIsp("LMMLIST DATAID("lmmid")" ,
"OPTION(LIST) MEMBER(Mbr)" opt, 4 8) = 0 then
return strip(mbr)
else
return ''
endProcedure lmmNext
lmmRm: procedure expose m.
parse arg dsn, mbrs
mbrs = dsnGetMbr(dsn) mbrs
pds = dsnSetMbr(dsn, )
call adrIsp "LMINIT DATAID(lmmId) DATASET("pds") ENQ(SHRW)"
call adrIsp "LMOPEN DATAID("lmmId") OPTION(OUTPUT) "
err = ''
do wx=1 to words(mbrs)
m1 = word(mbrs, wx)
rr = adrIsp("lmmDel dataid("lmmId") member("m1")", 0 8 12)
if rc = 0 then
say 'removed' m1 'from' pds
else if rc = 8 then
say 'not found' m1 'in' pds
else do
err = 'error deleting' m1 'in' pds 'rc' rr strip(zerrlm)
say err
leave
end
end
call adrIsp "LMCLOSE DATAID("lmmId")"
call adrIsp "LMFREE DATAID("lmmId")"
if err <> '' then
call err err
return
endProcedure lmmRm
/*--- address ispf with error checking -------------------------------*/
adrIsp:
parse arg ggIspCmd, ggRet
address ispexec ggIspCmd
if rc = 0 then return 0
else if ggRet == '*' then return rc
else if wordPOS(rc, ggRet) > 0 then return rc
else
call err 'adr ispExec rc' rc 'in' ggIspCmd':' strip(zerrlm)
endSubroutine adrIsp
/*--- address editor with error checking -----------------------------*/
adrEdit:
parse arg ggEditCmd, ggRet
address isrEdit ggEditCmd
if rc = 0 then return 0
else if ggRet == '*' then return rc
else if wordPOS(rc, ggRet) > 0 then return rc
else
call err 'adr isrEdit rc' rc 'for' ggEditCmd
endSubroutine adrEdit
/* copy adrIsp end *************************************************/
/* copy adrTso begin *************************************************/
/*--- send ggTsoCmd to tso, fail if rc <> 0 or not listed in ggRet ---*/
adrTso:
parse arg ggTsoCmd, ggRet
address tso ggTsoCmd
if rc == 0 then return 0
else if ggRet == '*' then return rc
else if wordPos(rc, ggRet) > 0 then return rc
else
call err 'adrTso rc' rc 'for' ggTsoCmd
return /* end adrTso */
/*--- format dsn from tso format to jcl format -----------------------*/
dsn2jcl: procedure expose m.
parse upper arg dsn ., addPrefix
if left(dsn,1) = "'" then
return strip(dsn, 'b', "'")
sp = sysvar('SYSPREF')
if sp == '' then
sp = userid()
cx = pos('~', dsn)
if cx < 1 & addPrefix == 1 then
return sp'.'dsn
do while cx \== 0
le = left(dsn, cx-1)
ri = substr(dsn, cx+1)
if right(le, 1) == '.' | left(ri, 1) == '.' then
dsn = le || sp || ri
else
dsn = le || left('.', le \== '') || sp ,
|| left('.', ri \== '') || ri
cx = pos('~', spec, cx)
end
return dsn
endProcedure dsn2Jcl
/*--- format dsn from jcl format to tso format -----------------------*/
jcl2dsn: procedure expose m.
parse arg dsn .
return "'"dsn"'"
endProcedure jcl2dsn
dsnSetMbr: procedure expose m.
parse arg dsn, mbr
bx = pos('(', dsn)
if bx > 0 then
dsn = strip(left(dsn, bx-1))
if mbr <> '' then
dsn = dsn'('strip(mbr)')'
return dsn
endProcedure dsnSetMbr
dsnGetMbr: procedure expose m.
parse arg dsn
lx = pos('(', dsn)
rx = pos(')', dsn, lx+1)
if lx < 1 then
return ''
else if lx < rx then
return substr(dsn, lx+1, rx-lx-1)
else
return strip(substr(dsn,lx+1))
endProcedure dsnGetMbr
/**********************************************************************
io: read or write a dataset with the following callsequences:
read: tsoOpen...'R', readDD*, tsoClose
write: tsoOpen...'W', writeDD*, tsoClose
readDD returns true if data read, false at eof
do not forget that open is mandatory to write empty file|
***********************************************************************/
/*--- open dd for read (rw='R') or write (rw='W') --------------------*/
tsoOpen: procedure expose m.
parse upper arg dd, rw
return adrTso('execio' 0 'disk'RW tsoDD(dd, 'o') '(open)')
return /* end tsoOpen */
/*--- close dd -----------------------------------------------------*/
tsoClose: procedure expose m.
parse upper arg dd
return adrTso('execio 0 diskW' dd '(finis)')
endProcedure tsoClose
/*--- read from DD ggDD into ggSt, return false at eof ---------------*/
readDD:
parse arg ggDD, ggSt, ggCnt
if ggCnt = '' then
ggCnt = 100
call adrTso 'execio' ggCnt 'diskR' ggDD '(stem' ggSt')', 2
return (value(ggSt'0') > 0)
return /* end readDD */
/*--- write to gg ggDD from stem ggSt, ggCnt records -----------------*/
writeDD:
parse arg ggDD, ggSt, ggCnt
if ggCnt == '' then
ggCnt = value(ggst'0')
call adrTso 'execio' ggCnt 'diskW' ggDD '(stem' ggSt')'
return
endSubroutine writeDD
/*--- readNx: read next line, using buffer ---------------------------*/
/*--- begin: allocate dsnSpec and ini ------------------------ -------*/
readNxBegin: procedure expose m.
parse arg m, m.m.dsn, m.m.dd, m.m.Cnt
if m.m.dd = '' then
m.m.dd = 'DDNX*'
if m.m.cnt = '' then
m.m.cnt = 1000
m.m.cx = m.m.cnt + 999
m.m.buf0x = 0
m.m.0 = 0
parse value dsnAlloc('dd('m.m.dd')' m.m.dsn) with m.m.dd m.m.free
call tsoOpen m.m.dd, 'R'
return m
endProcedure readDDNxBegin
/*--- return the stem of the next line, or '' at end -----------------*/
readNx: procedure expose m.
parse arg m
m.m.cx = m.m.cx + 1
if m.m.cx <= m.m.0 then
return m'.'m.m.cx
m.m.buf0x = m.m.buf0x + m.m.0
if \ readDD(m.m.dd, 'M.'m'.', m.m.cnt)then
return ''
m.m.cx = 1
return m'.1'
endProcedure readDDNx
/*--- return the stem of the curr line, '' at end --------------------*/
readNxCur: procedure expose m.
parse arg m
if m.m.cx <= m.m.0 then
return m'.'m.m.cx
else
return ''
endProcedure readNxCur
/*--- return the position (line number) of reader
plus le characters of the current line (default 50) ------*/
readnxPos: procedure expose m.
parse arg m, le
li = m'.'m.m.cx
li = strip(m.li, 't')
if arg() < 2 then
le = 50
if le < 1 then
li = ''
else if length(li) <= le then
li = ':' li
else
li = ':' left(li, le-3)'...'
return 'line' (m.m.buf0x + m.m.cx)li
endProcedure readnxPos
/*--- close and deallocate ------------------------------------------*/
readNxEnd: procedure expose m.
parse arg m
call tsoClose m.m.dd
call tsoFree m.m.free
return
endProcedure readDDNxEnd
/*--- standardise a dsn spec
word1 dsName or -
word2 dd or -
word3 disp or -
word4 to first : attributes in tso format
after first : attributes for new allocation
----------------------------------------------------------------------*/
dsnSpec: procedure expose m.
parse upper arg spec
rr = '' /* put leading - in separate words */
do sx=1 while words(rr) < 3 & wx \= ''
wx = word(spec, sx)
do while abbrev(wx, '-') & words(rr) < 3
wx = substr(wx, 2)
rr = rr '-'
end
rr = rr wx
end
spec = rr subWord(spec, sx)
na = ''
dd = ''
di = ''
if left(spec, 1) = '&' then /* external spec is handled ok */
spec = strip(substr(spec, 2))
do wx=1 by 1
w = word(spec, wx)
if w = '' | abbrev(w, '.') | abbrev(w, ':') then
leave
else if wordPos(w, 'OLD SHR MOD NEW')>0 | abbrev(w, 'SYSO') then
di = w
else if w = 'CATALOG' then
di = di w
else if abbrev(w, 'DD(') then
dd = substr(w, 4, length(w)-4)
else if abbrev(w, 'DSN(') then
na = strip(substr(w, 5, length(w)-5))
else if na == '' then
na = dsn2jcl(w)
else if pos('(', w) > 0 then
leave
else if dd == '' then
dd = w
else if di == '' then
di = w
else
leave
end
if na == '' then
na = '-'
else if abbrev(na, "'") then
na = substr(na, 2, length(na)-2)
if dd == '' then dd = '-'
if di == '' then di = '-'
re = subword(spec, wx)
if abbrev(re, '.') then
re = substr(re, 2)
return na dd di re
endProcedure dsnSpec
/*--- alloc a dsn with dsnAlloc
if the dsn is inuse wait and retry
until either the allocation is successfull
or the timeout occurs --------------------------------------*/
dsnAllocWait: procedure expose m.
parse upper arg spec, pDi, pDD, timeOut
x = max(1, arg() - 1)
do rt=0
m.adrTsoAl.1 = ''
m.adrTsoAl.2 = ''
m.adrTsoAl.3 = ''
call outtrap m.adrTsoAl.
res = dsnAlloc(spec, pDi, pDD, '*')
call outtrap off
if \ datatype(res, 'n') then
return res
msg = m.adrTsoAl.1'\n'm.adrTsoAl.2'\n'm.adrTsoAl.3
if rt > timeOut & timeOut \== '' then
return err('timeout allocating' spec time() '\n'msg)
if pos('DATA SET IS ALLOCATED TO ANOTHER', msg) < 1 then
return err('allocating' spec'\n'msg)
say time() 'sleep and retry alloc' spec
call sleep 1, 0
end
endProcedure dsnAllocWait
/*--- alloc a dsn or a dd
spec '-'<ddName>
datasetName? disposition? '.'? attributes? (':' newAtts)?
disp default disposition
dd default dd name
retRc erlaubte ReturnCodes (leer = 0)
returns if ok then ddName <rexx for free> otherwise rc -----*/
dsnAlloc: procedure expose m.
parse upper arg spec, pDi, pDD, retRc
parse value dsnSpec(spec) with na dd di rest
if na = '-' then
m.dsnAlloc.dsn = ''
else
m.dsnAlloc.dsn = na
if dd == '-' & pDD \== '' then
dd = pDD
if dd == '-' then
dd = 'DD*'
dd = tsoDD(dd, 'a')
if na == '-' & di == '-' & rest = '' then
return dd
if di = '-' then
if pDi == '' then
di = 'SHR'
else
di = pDi
if pos('(', na) < 1 then
nop
else if di = 'MOD' then
call err 'disp mod for' na
else
di = 'SHR'
if pos('/', na) > 0 then
rx = csmAlloc(na dd di rest, retRc)
else
rx = tsoAlloc(na dd di rest, retRc)
if rx = 0 then
return dd dd
else
return rx
endProcedure dsnAlloc
/*--- find a free dd with prefix dd ----------------------------------*/
tsoDD: procedure expose m.
parse arg dd, f
if symbol('m.tso.ddAlloc') \== 'VAR' then do
call errIni
m.tso.ddAlloc = ''
m.tso.ddOpen = ''
end
if m.err.ispf then
address ispExec 'vget wshTsoDD shared'
else
wshTsoDD = m.tso.ddAlloc
if f == '-' then do
ax = wordPos(dd, m.tso.ddAlloc)
if ax > 0 then
m.tso.ddAlloc = delWord(m.tso.ddAlloc, ax, 1)
ox = wordPos(dd, m.tso.ddOpen)
if ox > 0 then
m.tso.ddOpen = delWord(m.tso.ddOpen , ox, 1)
if ax < 1 & ox < 1 then
call err 'tsoDD dd' dd 'not used' m.tso.ddAlloc m.tso.ddOpen
sx = wordPos(dd, wshTsoDD)
if sx > 0 then
wshTsoDD = delWord(wshTsoDD , sx, 1)
end
else if f == 'o' then do
if wordPos(dd, m.tso.ddOpen m.tso.ddAlloc) < 1 then
m.tso.ddOpen = strip(m.tso.ddOpen dd)
end
else if f <> 'a' then do
call err 'tsoDD bad fun' f
end
else do
if right(dd, 1) = '*' then do
dd = left(dd, length(dd)-1) || m.err.screen
cx = lastPos(' 'dd, ' 'm.tso.ddAlloc)
if cx > 0 then do
old = word(substr(m.tso.ddAlloc, cx), 1)
if old = dd then
dd = dd'1'
else if datatype(substr(old, length(dd)+1), 'n') then
dd = dd || (substr(old, length(dd)+1) + 1)
else
call err 'tsoDD old' old 'suffix not numeric dd' dd
end
end
if wordPos(dd, m.tso.ddAlloc) < 1 then
m.tso.ddAlloc = strip(m.tso.ddAlloc dd)
if wordPos(dd, wshTsoDD) < 1 then
wshTsoDD = strip(wshTsoDD dd)
end
if m.err.ispf then
address ispExec 'vPut wshTsoDD shared'
return dd
endProcedure tsoDD
tsoAlloc: procedure expose m.
parse arg na dd disp rest ':' nn, retRc
c = 'alloc dd('dd')' disp
if na \== '-' then
c = c "DSN('"na"')"
else if disp = 'NEW' and nn \== '' then
c = c dsnCreateAtts(,nn)
call outtrap m.adrTsoAl.
alRc = adrTso(c rest, '*')
call outtrap off
if alRc = 0 then
return 0
if nn \= '' & wordPos(disp, 'OLD SHR') > 0 ,
& sysDsn("'"m.dsnAlloc.dsn"'") == 'DATASET NOT FOUND' then do
say 'tsoAlloc creating' c rest ':'nn
call adrTso 'alloc dd('dd') new catalog' dsnCreateAtts(na, nn)
call adrTso 'free dd('dd')'
return tsoAlloc(na dd disp rest, retRc)
end
say 'rc='alRc 'for' c rest
call saySt adrTsoal
if retRc = '*' | wordPos(alRc, retRc) > 0 then
return alRc
call err 'tsoAlloc rc' alRc 'for' c rest
endProcedure tsoAlloc
tsoAtts: procedure expose m.
parse arg dsn
rc = listDsi("'"dsn"' SMSINFO")
if rc = 0 then
mv = ''
else if rc = 4 & sysReason = 19 then do
mv = 'UCOUNT(30)' /* 7.8.13 corrected attribute */
say 'creating' dsn 'with multi volume' mv
end
else if rc ^= 0 then
call err 'listDsi rc' rc 'reason' sysReason,
sysMsgLvl1 sysMsgLvl2
al = 'CAT'
al = ''
if right(sysDsSms, 7) == 'LIBRARY' ,
| abbrev(sysDsSms, 'PDS') then
al = al 'DSNTYPE(LIBRARY)'
if sysUnits = 'TRACK' then
sysUnits = 'TRACKS'
return al "DSORG("sysDSorg") MGMTCLAS("sysMgmtClass")",
"DATACLAS("sysDataClass")" ,
"RECFM("translate('1 2 3', ' 'sysREcFM, ' 123')")",
"LRECL("SYSLRECL")",
"SPACE("sysPrimary"," sysSeconds")" sysUnits mv
/* "blksize("sysBLkSIZE")" removed 3.4.13: let sms do the magic */
endProcedure tsoAtts
tsoFree: procedure expose m.
parse arg ddList, ggRet
do dx=1 to words(ddList)
dd = word(ddList, dx)
call adrTso 'free dd('dd')', ggRet
call tsoDD dd, '-'
end
return
endProcedure tsoFree
tsoFreeAll: procedure expose m.
all = m.tso.ddAlloc m.tso.ddOpen
do ax = 1 to words(all)
call adrTso 'execio 0 diskW' word(all, ax) '(finis)', '*'
end
m.tso.ddOpen = ''
call tsoFree m.tso.ddAlloc, '*'
return
endProcedure tsoFreeAll
dsnCreateAtts: procedure expose m.
parse arg dsn, atts, forCsm
forCsm = forCsm == 1
aU = ' 'translate(atts)
res = ''
if dsn \== '' then
res = "dataset('"dsnSetMbr(dsn)"')"
if abbrev(atts, '~') then
return res tsoAtts(substr(atts, 2))
if abbrev(atts, ':') then do
parse var atts a1 atts
rl = substr(a1, 3)
if abbrev(a1, ':F') then do
if rl = '' then
rl = 80
recfm='f b'
end
else do
if rl = '' then
rl = 32756
recfm = substr(a1, 2, 1) 'b'
end
res = res "recfm("space(recfm, 1-forCsm)") lrecl("rl")"
end
if pos('(', dsn) > 0 & pos(' DSNTYPE(', aU) < 1 ,
& pos(' DSORG(', aU) < 1 then
res = res 'dsntype(library) dsorg(po)'
if pos(' MGMTCLAS(', aU) < 1 then
res = res 'mgmtclas(COM#A091)'
if pos(' SPACE(', aU) < 1 then
res = res 'space(100, 500) cyl' || copies('inder', forCsm)
return res atts
endProcedure dsnCreateAtts
/*--- check if a dataset is archive ------------------------------------
returns 'ok' if dataset on disk
'not' if dataset is not catalogued
'arc' if dataset archived
listDsi errorMsg otherwise ------------------*/
dsnArc: procedure expose m.
parse upper arg dsn
lc = listDsi("'"strip(dsn)"' noRecall")
if lc = 0 then
return 'ok'
else if lc=4 & sysReason = 19 then /* multiple volumes */
return 'ok'
else if lc=16 & sysReason = 5 then
return 'notCat'
else if lc=16 & sysReason = 9 then
return 'arc'
else
return 'listDsi cc='lc', sysReason='sysReason ,
'm2='sysMsgLvl2', m1='sysMsgLvl1
endProcedure dsnArc
/*--- read the dataset specified in ggDsnSpec to stem ggSt -----------*/
readDSN:
parse arg ggDsnSpec, ggSt
ggAlloc = dsnAlloc(ggDsnSpec, 'SHR', 'readDsN')
call adrTso 'execio * diskr' word(ggAlloc, 1) '(stem' ggSt' finis)'
call tsoFree word(ggAlloc, 2)
return
endSubroutine readDsn
/*--- write the dataset specified in ggDsnSpec from stem ggSt
write ggCnt records if not empty otherwise ggst0
if ggSay 1 then say ... records written to ... -------------*/
writeDSN:
parse arg ggDsnSpec, ggSt, ggCnt, ggSay
if ggCnt == '' then
ggCnt = value(ggst'0')
ggAlloc = dsnAlloc(ggDsnSpec, 'OLD', 'readDsN')
call adrTso 'execio' ggCnt 'diskw' word(ggAlloc, 1) ,
'(stem' ggSt 'open finis)'
call tsoFree word(ggAlloc, 2)
if ggSay == 1 | m.debug == 1 then
say ggCnt 'records written to' ggDsnSpec
return
endSubroutine writeDsn
copyDSN: procedure expose m.
parse arg frSpec, toSpec, ggSay
parse value dsnAlloc(frSpec, 'SHR', 'FRDD') with frDD frFr
parse value dsnAlloc(toSpec, 'OLD', 'TODD') with toDD toFr
call tsoOpen frDD, 'R'
call tsoOpen toDD, 'W'
cnt = 0
do while readDD(frDD, r.)
call writeDD toDD, r.
cnt = cnt + r.0
end
call tsoClose frDD
call tsoClose toDD
call tsoFree frFr toFr
if ggSay == 1 | m.debug == 1 then
say cnt 'records copied from' frSpec 'to' to toSpec
return
endSubroutine writeDsn
/* copy adrTso end ****************************************************/
/* copy err begin *** errorhandling, messages, help ****************/
errIni: procedure expose m.
if m.err.ini == 1 then
return
m.err.ini = 1
m.err.handler = ''
m.err.cleanup = ';'
m.err.opt = ''
parse source m.err.os .
m.err.ispf = 0
m.err.screen = 0
if m.err.os \== 'LINUX' then
if sysVar('sysISPF') = 'ACTIVE' then do
m.err.ispf = 1
address ispExec 'vget zScreen shared'
m.err.screen = zScreen
end
return
endProcedure errIni
/* configure err -----------------------------------------------------*/
errReset: procedure expose m.
call errIni
parse arg m.err.opt, m.err.handler
if pos('I', translate(m.err.opt)) > 0 & m.err.ispf then
address ispExec 'control errors return'
return
endSubroutine errReset
/*--- error routine: abend with message ------------------------------*/
err:
parse arg ggTxt, ggOpt
call errIni
drop err handler cleanup opt call return
if ggOpt == '' & m.err.handler \== '' then
interpret m.err.handler
call errSay 'f}'ggTxt
call errCleanup
if ggOpt == '' then
ggOpt = m.err.opt
upper ggOpt
if pos('T', ggOpt) > 0 then do
trace ?r
say 'trace ?r in err'
end
if pos('H', ggOpt) > 0 & m.err.eCat == 'f' then do
call errSay ' }errorhandler exiting with divide by zero' ,
'to show stackHistory'
x = 1 / 0
end
call errSay ' }errorhandler exiting with exit(12)'
exit errSetRc(12)
endSubroutine err
/*--- set rc for ispf: -------------------------------------------------
if a cmd is run by ispStart, its RC is ignored,
but ISPF passes the value of the shared variable zIspfRc
back as return code
----------------------------------------------------------------------*/
errSetRc: procedure expose m.
parse arg zIspfRc
if m.err.ispf then
address ispExec vput 'zIspfRc' shared
return zIspfRc
endProcedure errSetRc
/*--- error routine: user message cleanup exit -----------------------*/
errAddCleanup: procedure expose m.
parse arg code
call errIni
/* concatenate backwards, then it is executed also backwards */
m.err.cleanup = ';'code || m.err.cleanup
return
endProcedure errAddCleanup
errRmCleanup: procedure expose m.
parse arg code
call errIni
cx = pos(';'code';', m.err.cleanup)
if cx > 0 then
m.err.cleanup = left(m.err.cleanup, cx) ,
|| substr(m.err.cleanup, cx + length(code)+2)
return
endProcedure errRmCleanup
errCleanup: procedure expose m.
call errIni
errCleanup = m.err.cleanup
if errCleanup <> ';' then do
m.err.cleanup = ';'
say 'err cleanup begin' errCleanup
interpret errCleanup
say 'err cleanup end' errCleanup
end
if symbol('m.tso.ddAlloc') == 'VAR' then
call tsoFreeAll
return
endProcedure errCleanup
/*--- say an errorMessage msg with pref and linesplits --------------*/
errSay: procedure expose m.
parse arg msg
return saySt(errMsg(msg))
/*--- prefix an errormessage with pref,
split it into lines at \n to stem m.err -------------------*/
errMsg: procedure expose m.
parse arg msg
m.err.eCat = 'f'
do while substr(msg, 2, 1) == '}'
parse var msg m.err.eCat '}' msg
end
if m.err.eCat <> '' then do
parse source . . ggS3 . /* current rexx */
pTxt = ',error,fatal error,input error,syntax error,warning,'
px = pos(','m.err.eCat, pTxt)
if px < 1 then do
m.err.eCat = 'f'
px = pos(','m.err.eCat, pTxt)
end
msg = substr(pTxt, px+1, pos(',', pTxt, px+2)-px-1) ,
'in' ggS3':' msg
end
return splitNl(err, msg) /* split lines at \n */
endProcedure errMsg
splitNL: procedure expose m.
parse arg st, msg
bx = 1
do lx=1 to 20
ex = pos('\n', msg, bx)
if ex < bx then
leave
m.st.lx = substr(msg, bx, ex-bx)
bx = ex+2
end
m.st.lx = substr(msg, bx)
m.st.0 = lx
return st
endProcedure splitNL
/*--- say (part of) the lines of a stem ----------------------------*/
saySt: procedure expose m.
parse arg st, fx, tx
do lx=word(fx 1, 1) to word(tx m.st.0, 1)
say m.st.lx
end
return st
endProcedure saySt
/*--- out (part of) the lines of a stem ----------------------------*/
outSt: procedure expose m.
parse arg st, fx, tx
do lx=word(fx 1, 1) to word(tx m.st.0, 1)
call out m.st.lx
end
return st
endProcedure outSt
/*--- say a trace message if m.trace is set --------------------------*/
debug: procedure expose m.
parse arg msg
if m.debug == 1 then
say 'debug:' msg
return
endProcedure debug
/*--- output a trace if m.trace is set -------------------------------*/
trc: procedure expose m.
parse arg msg
if m.trace == 1 then
call out 'trc:' msg
return
endProcedure trc
/*--- assert that the passed rexx expression evaluates to true -------*/
assert:
interpret 'assertRes =' arg(1)
if assertRes \==1 then
call err 'assert failed' arg(1) '==>' assertRes':' arg(2)
return
endProcedure assert
/*--- abend with Message after displaying help -----------------------*/
errHelp: procedure expose m.
parse arg msg
call errSay 'i}'msg
call help 0
call err 'i}'msg
endProcedure errHelp
/*--- display the first comment block of the source as help ----------*/
help: procedure expose m.
parse arg doClear
if doClear \== 0 then
address tso 'clear'
parse source . . s3 .
say right(' help for rexx' s3, 72, '*')
do lx=1 while pos('/*', sourceLine(lx)) < 1
if lx > 10 then
return err('initial commentblock not found for help')
end
doInc = 1
ho = m.err.helpOpt
do lx=lx+1 to sourceline() while pos('*/', sourceline(lx)) = 0
li = strip(sourceLine(lx), 't')
cx = lastPos('{', li)
if cx > 0 then do
if length(ho) = 1 then
doInc = cx = length(li) | pos(ho, li, cx+1) > 0
li = left(li, cx-1)
end
if doInc then
say li
end
say right(' end help for rexx' s3, 72, '*')
return 4
endProcedure help
/* copy err end *****************************************************/
/* copy out begin ******************************************************
out interface simple with say or stem m.out only
***********************************************************************/
outIni: procedure expose m.
return outDst()
/*--- output a message to the current destination -------------------*/
out: procedure expose m.
parse arg msg
if m.out.ini \== 1 then
call outDst
if m.out.say then
say msg
if m.out.out then do
ox = m.out.0 + 1
m.out.0 = ox
m.out.ox = msg
end
return 0
endProcedure out
/*--- set a new out destination and return old one ------------------*/
outDst: procedure expose m.
parse arg d
if m.out.ini == 1 then
old = '-' || left('s', m.out.say) || left('o', m.out.out)
else do
m.out.ini = 1
old = '-s'
end
m.out.say = d == '' | pos('s', d) > 0
m.out.out = verify(d, 'o0', 'm') > 0
if pos('0', d) > 0 | \ datatype(m.out.0, 'n') then
m.out.0 = 0
return old
endProcedure outDst
/* return the contents of a string or std input */
inp2str: procedure expose m.
parse arg rdr, opt
return rdr
endProcedure inp2str
/* copy out end *****************************************************/