/* REXX GENCARD Accept text in parms, write it onto file @OUT stripped, but otherwise as-is. Use '(routine name) ?' for HELP-text. Written by Frank Clarke (DTCFXC1) rexxhead@yahoo.com 1989-05-05 Impact Analysis . SYSEXEC TRAPOUT Modification History 20010502 fxc upgrade from v.19980225 to v.19991109; update HELP text; 20230510 fxc HELP if text is empty 20230726 fxc adjust HELP; 20230806 fxc chg SYSPROC to SYSEXEC in Impact Analysis; 20240308 fxc chg dollar-sign to @ everywhere; 20240415 fxc DUMP_QUEUE quiet; */ arg argline address TSO /* REXXSKEL ver.19980225 */ arg parms "((" opts signal on syntax signal on novalue call TOOLKIT_INIT /* conventional start-up -*/ rc = trace(tv) info = parms /* to enable parsing */ if info = "" then do helpmsg = "Input text may not be empty." call HELP /* -*/ end if pos <> "" then parms = Copies(" ",pos-1 )parms; else if indent <> "" then parms = Copies(" ",indent)parms address TSO push parms "EXECIO" queued() "DISKW @OUT (FINIS" /* must be pre-allocated */ if sw.batch then do say say " ------Output of" exec_name "delivered to FILE(@OUT)--------" say say "----+----1----+----2----+----3----+----4----+----5----+----6----+----7 " say parms say end if \sw.nested then call DUMP_QUEUE 'quiet' exit /*@ GENCARD */ /* . ----------------------------------------------------------------- */ LOCAL_PREINIT: /*@ customize opts */ address TSO indent = KEYWD("INDENT") pos = KEYWD("POS") return /*@ LOCAL_PREINIT */ /* subroutines below LOCAL_PREINIT are not selected by SHOWFLOW */ /* . ----------------------------------------------------------------- */ HELP: /*@ */ address TSO;"CLEAR" if helpmsg <> "" then say helpmsg ex_nam = Left(exec_name,8) /* predictable size */ say " " say " GENCARD Accept text in 'parms', write it onto file @OUT stripped, " say " but otherwise as-is. " say " " say " Syntax: GENCARD text " say " (( INDENT ind (KEYWD in opts)" say " POS ptr (KEYWD in opts)" say " " say " ind specifies the number of characters to indent the " say " text. " say " " say " ptr specifies the desired position of the first " say " character of text " say " " say " INDENT and POS are logically mutually exclusive. If both are " say " specified, POS is selected. " say " " say " more...... " "NEWSTACK"; pull ; "CLEAR" ; "DELSTACK" say " " say " Examples: " say " " say " GENCARD was designed for automating JCL PROCs which might otherwise " say " require manual intervention. A good example is a PanValet retrieve " say " which requires a control card of the form: " say " ++WRITE,WORK,module " say " " say " Normally, one would be forced to rely on other processes to generate the" say " control card, but with GENCARD, if the variable data appears as a " say " parameter in the PROC, the line can be generated dynamically, written to" say " temporary or permanent DASD, and referenced by following steps. Sample " say " JCL for a PanValet ++WRITE follows. Other applications would be " say " implemented in a similar fashion. " say " " say " more...... " "NEWSTACK"; pull ; "CLEAR" ; "DELSTACK" say " " say " SAMPLE JCL TO GENERATE A PANVALET ++WRITE STATEMENT: " say " " say " //REXX EXEC PGM=IKJEFT01, " say " // PARM='GENCARD ++WRITE,WORK,&MODULE.' " say " //SYSPROC DD DISP=SHR,DSN=DTCFXC1.PUBLIC.EXEC " say " //SYSTSPRT DD SYSOUT=* " say " //SYSTSIN DD DUMMY " say " //@OUT DD DISP=(NEW,PASS),UNIT=VIO, " say " // SPACE=(80,(1)),DCB=(RECFM=F,LRECL=80) " say " (&MODULE to be supplied as a PROCedure parameter). " say " " say " GENCARD will take all the remaining text in PARM and replicate it " say " left-justified in an 80-byte field. This is written to file @OUT which " say " is passed to a following step. " "NEWSTACK"; pull ; "CLEAR" ; "DELSTACK" say " Debugging tools provided include: " say " " say " TRACE tv will use value following TRACE to place the execution in" say " REXX TRACE Mode. " say " " say " " say " Debugging tools can be accessed in the following manner: " say " " say " TSO "ex_nam" parameters (( debug-options " say " " say " For example " say " " say " TSO "ex_nam" (( TRACE ?R " if sysvar("SYSISPF") = "ACTIVE" then, address ISPEXEC "CONTROL DISPLAY REFRESH" exit /*@ HELP */ /* . ----------------------------------------------------------------- */ BRANCH: Procedure expose, /*@ */ sigl exec_name rc = trace("O") /* we do not want to see this */ arg brparm . origin = sigl /* where was I called from ? */ do currln = origin to 1 by -1 /* inch backward to label */ if Right(Word(Sourceline(currln),1),1) = ":" then do parse value sourceline(currln) with pgfname ":" . /* Label */ leave ; end /* name */ end /* currln */ select when brparm = "NAME" then return(pgfname) /* Return full name */ when brparm = "ID" then do /* wants the prefix */ parse var pgfname pgfpref "_" . /* get the prefix */ return(pgfpref) end /* brparm = "ID" */ otherwise say left(sigl,6) left(pgfname,40) exec_name "Time:" time("L") end /* select */ return /*@ BRANCH */ /* . ----------------------------------------------------------------- */ DUMP_QUEUE: /*@ Take whatever is in stack */ rc = trace("O") /* and write to the screen */ address TSO arg mode . "QSTACK" /* how many stacks? */ stk2dump = rc - tk_init_stacks /* remaining stacks */ if stk2dump = 0 & queued() = 0 then return if mode <> "QUIET" then, say "Total Stacks" rc , /* rc = #of stacks */ " Begin Stacks" tk_init_stacks , /* Stacks present at start */ " Excess Stacks to dump" stk2dump do dd = rc to tk_init_stacks by -1 /* empty each one. */ if mode <> "QUIET" then, say "Processing Stack #" dd " Total Lines:" queued() do queued();parse pull line;say line;end /* pump to the screen */ "DELSTACK" /* remove stack */ end /* dd = 1 to rc */ return /*@ DUMP_QUEUE */ /* . ----------------------------------------------------------------- */ KEYWD: Procedure expose info /*@ hide all vars, except info*/ arg kw kw_pos = wordpos(kw,info) /* find where it is, maybe */ if kw_pos = 0 then return "" /* send back a null, not found*/ kw_val = word(info,kw_pos+1) /* get the next word */ info = Delword(info,kw_pos,2) /* remove both */ return kw_val /*@ KEYWD */ /* . ----------------------------------------------------------------- */ KEYPHRS: Procedure expose, /*@ */ info helpmsg exec_name /* except these three */ arg kp wp = wordpos(kp,info) /* where is it? */ if wp = 0 then return "" /* not found */ front = subword(info,1,wp-1) /* everything before kp */ back = subword(info,wp+1) /* everything after kp */ parse var back dlm back /* 1st token must be 2 bytes */ if length(dlm) <> 2 then /* Must be two bytes */ helpmsg = helpmsg, "Invalid length for delimiter("dlm") with KEYPHRS("kp")" if wordpos(dlm,back) = 0 then /* search for ending delimiter*/ helpmsg = helpmsg, "No matching second delimiter("dlm") with KEYPHRS("kp")" if helpmsg <> "" then call HELP /* Something is wrong */ parse var back kpval (dlm) back /* get everything b/w delim */ info = front back /* restore remainder */ return Strip(kpval) /*@ KEYPHRS */ /* . ----------------------------------------------------------------- */ NOVALUE: /*@ */ say exec_name "raised NOVALUE at line" sigl say " " say "The referenced variable is" condition("D") say " " zsigl = sigl signal SHOW_SOURCE /*@ NOVALUE */ /* . ----------------------------------------------------------------- */ SHOW_SOURCE: /*@ */ call DUMP_QUEUE /* Spill contents of stacks -*/ if sourceline() <> "0" then /* to screen */ say sourceline(zsigl) rc = trace("?R") nop exit /*@ SHOW_SOURCE */ /* . ----------------------------------------------------------------- */ SS: Procedure /*@ Show Source */ arg ssbeg ssend . if ssend = "" then ssend = 10 if \datatype(ssbeg,"W") | \datatype(ssend,"W") then return ssend = ssbeg + ssend do ssii = ssbeg to ssend ; say sourceline(ssii) ; end return /*@ SS */ /* . ----------------------------------------------------------------- */ SWITCH: Procedure expose info /*@ */ arg kw sw_val = Wordpos(kw,info) > 0 /* exists = 1; not found = 0 */ if sw_val then /* exists */ info = Delword(info,Wordpos(kw,info),1) /* remove it */ return sw_val /*@ SWITCH */ /* . ----------------------------------------------------------------- */ SYNTAX: /*@ */ errormsg = exec_name "encountered REXX error" rc "in line" sigl":", errortext(rc) say errormsg zsigl = sigl signal SHOW_SOURCE /*@ SYNTAX */ /* Can call TRAPOUT. . ----------------------------------------------------------------- */ TOOLKIT_INIT: /*@ */ address TSO info = Strip(opts,"T",")") /* clip trailing paren */ parse source sys_id how_invokt exec_name DD_nm DS_nm, as_invokt cmd_env addr_spc usr_tokn parse value "" with tv helpmsg . parse value 0 "ISR00000 YES" "Error-Press PF1" with, sw. zerrhm zerralrm zerrsm if SWITCH("TRAPOUT") then do "TRAPOUT" exec_name parms "(( TRACE R" info exit end /* trapout */ if Word(parms,1) = "?" then call HELP /* I won't be back */ "QSTACK" ; tk_init_stacks = rc /* How many stacks? */ parse value SWITCH("BRANCH") SWITCH("MONITOR") SWITCH("NOUPDT") with, branch monitor noupdt . parse value mvsvar("SYSNAME") sysvar("SYSNODE") with, #tk_cpu node . sw.nested = sysvar("SYSNEST") = "YES" sw.batch = sysvar("SYSENV") = "BACK" sw.inispf = sysvar("SYSISPF") = "ACTIVE" parse value KEYWD("TRACE") "N" with tv . tk_globalvars = "tk_globalvars exec_name tv helpmsg sw. zerrhm", "zerralrm zerrsm zerrlm tk_init_stacks branch", "monitor noupdt" call LOCAL_PREINIT /* for more opts -*/ return /*@ TOOLKIT_INIT */