zOs/REXX.O08/INC

/* REXX *************************************************************

    include macro:

    replace all lines between
          <commentStart> copy <mbr> begin  .....
    and
          <commentStart> copy <mbr> end    ....
    by the contents of member <mbr>

    currently no nesting allowed

**********************************************************************/
call adrIsp 'control errors return'
call adrEdit 'macro (args)'
if pos('?', args) > 0 then
    return help()
say 'macro inc ingoring args' args
call adrEdit "(myMb) = member"

call adrEdit "cursor = .zf"
fnd = 'copy'
begMbr = ''
do forever
    if adrEdit("find '"fnd"'", 0 4) ^= 0 then
        leave
    call adrEdit "(lNr) = linenum .zcsr"
    call adrEdit "(li) = line .zcsr"
    upper li
    if left(word(li, 1), 2) <> '/*' | word(li, 2) <> 'COPY' ,
             | wordPos(word(li, 4), 'BEGIN END') < 1 then
        nop
    else if word(li, 4) = 'BEGIN' then do
        begLx = lNr
        begMbr = word(li, 3)
        end
    else if word(li, 3) = begMbr then do
        call replace begMbr begLx lNr
        begMbr = ''
        end
    else do
        say '***** unpaired end' lNr li
        end
    end
say  'end macro inc'
exit

replace: procedure expose myMb
parse upper arg mbr fx tx
    if mbr = myMb then do
        say 'not replacing recursive' mbr
        return
        end
    call adrEdit "(laX) = linenum .zl"
    say 'replacing' mbr "lines" fx tx "last" laX
    if laX > tx then do
        call adrEdit "cursor = " (tx+1) 1
        loc = "before .zcsr"
        end
    else do
        loc = "after .zl"
        end
    call adrEdit "delete" fx tx
    if adrEdit("copy" mbr loc, '*') <> 0 then
        call err "***** could not copy" mbr loc
    if ^ (laX > tx) then
        call adrEdit "cursor = .zl 72 "
return
endProcedure replace

/* 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
    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 readDDBegin grp
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
    parse arg grp
    call readDDEnd 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 jOut 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 jOut m
        end
    call lmmEnd id
    return
endProcedure lmm

lmmBegin: procedure
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
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
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
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 err begin ******************************************************
    messages, errorhandling,help
***********************************************************************/
/* configure err -----------------------------------------------------*/
errReset: procedure expose m.
parse arg oo, ha
    if pos('I', translate(oo)) > 0 then
        call adrIsp 'control errors return'
    m.err.opt = translate(oo, 'h', 'H')
    if ha == '' then
        drop m.err.handler
    else
        m.err.handler = ha
    return
endSubroutine errReset

/*--- error routine: abend with message ------------------------------*/
err:
    parse arg ggTxt, ggOpt
    drop err handler opt
    if ggOpt == '' & symbol('m.err.handler') == 'VAR' then
        interpret m.err.handler
    call errSay ggTxt
    parse source . . ggS3 .                           /* current rexx */
    if ggOpt == '' | ggOpt == '*' then
        ggOpt = translate(value('m.err.opt'), 'ht', 'HT')
    if pos('h', ggOpt) > 0  then do
        say 'fatal error in' ggS3': divide by zero to show stackHistory'
        x = 1 / 0
        end
    say 'fatal error in' ggS3': exit(12)'
    exit errSetRc(12)
endSubroutine err

/*--- assert that the passed rexx expression evaluates to true -------*/
assert:
    interpret 'assertRes =' arg(1)
    if ^ assertRes then
        call err 'assert failed' arg(1)':' arg(2)
    return
endProcedure assert

/*--- say an errorMessage msg with pref pref
           split message in lines at '/n'
           say addition message in stem st ---------------------------*/
errSay: procedure expose m.
parse arg msg, st, pref
    parse source . . ggS3 .                           /* current rexx */
    if pref == 'e' | (pref == '' & st == '') then
        msg = 'fatal error:' msg
    else if pref == 'w' then
        msgf = 'warning:' msg
    else if pref == 0 then
        nop
    else if right(pref, 1) ^== ' ' then
        msg = pref':' msg
    else
        msg = pref || msg
    sx = 0
    bx = -1
    do lx=1 until bx >= length(msg)
        ex = pos('\n', msg, bx+2)
        if ex < 1 then
            ex = length(msg)+1
        if st == '' then do
            say substr(msg, bx+2, ex-bx-2)
            end
        else do
            sx = sx+1
            m.st.sx = substr(msg, bx+2, ex-bx-2)
            m.st.0 = sx
            end
        bx = ex
        end
    return
endProcedure errSay

/*--- abend with Message after displaying help -----------------------*/
errHelp: procedure expose m.
parse arg msg, op
    say 'fatal error:' msg
    call help
    call err msg, op
endProcedure errHelp

/*--- set rc for ispf: -------------------------------------------------
    if a cmd is run by ispStart, its RC is ignored,
         but ISPF passes the value of the shared varible 3IspfRc
         back as return code
----------------------------------------------------------------------*/
errSetRc: procedure
parse arg zIspfRc
    if sysVar('sysISPF') = 'ACTIVE' then do
        address ispExec vput 'zIspfRc' shared
        end
    return zIspfRc
endProcedure errSetRc

/*--- output a trace message if m.trace is set -----------------------*/
trc: procedure expose m.
parse arg msg
    if m.trace == 1 then
        say 'trc:' msg
    return
endProcedure trc

/*--- quote string txt using quoteChar qu ("""" ==> ") ---------------*/
quote: procedure
parse arg txt, qu
    if qu = '' then
        qu = '"'
    res = qu
    ix = 1
    do forever
        qx = pos(qu, txt, ix)
        if qx = 0 then
            return res || substr(txt, ix) || qu
        res = res || substr(txt, ix, qx-ix) || qu || qu
        ix = qx + length(qu)
        end
endProcedure quote

debug: procedure expose m.
parse arg msg
    if m.debug == 1 then
        say 'debug' msg
    return
endProcedure debug

/*--- return current time and cpu usage ------------------------------*/
timing: procedure
return time() time('E') sysvar('syscpu') /* sysvar('syssrv') */

/--- display the first comment block of the source as help -----------*/
help: procedure
    parse source . . s3 .
    say right(' help for rexx' s3, 79, '*')
    do lx=1 by 1
        if pos('/*', sourceLine(lx)) > 0 then
            leave
        else if lx > 10 then do
            say 'initial commentblock not found for help'
            return
            end
        end
    do lx=lx+1 by 1
        li = strip(sourceLine(lx), 't', ' ')
        if pos('*/', li) > 0 then
            leave
        say li
        end
    say right(' end help for rexx' s3, 79, '*')
    return 4
endProcedure help
/* copy err end   *****************************************************/