/* REXX LOADPROC Allocate DD=PROCLIB based on the contents of SYS1.PROCLIB(JES2). This enables (e.g.) SHOWMEM to locate PROC JCL. If SYS1.PROCLIB(JES2) is not found, get the PROCLIB DSNames from SDSF and allocate. Written by Frank Clarke, Richmond, 19991022 Impact Analysis . SYSPROC LA . SYSPROC TRAPOUT Modification History 20231230 fxc make work when SYS1.PROCLIB(JES2) doesn't exist; 20240308 fxc chg dollar-sign to @ everywhere; 20240319 fxc modernize HELP; */ arg argline address TSO /* REXXSKEL ver.19991006 */ arg parms "((" opts signal on syntax signal on novalue call TOOLKIT_INIT /* conventional start-up -*/ rc = trace(tv) info = parms /* to enable parsing */ procdsn = "'"Userid()".PROCLIB'" if Sysdsn(procdsn) = "OK" then dsnlist = procdsn else dsnlist = "" "NEWSTACK" "LA PROCLIB ((STACK" pull dslist /* */ if dslist = "(EMPTY)" then do /* read proclib */ mainproc = "'SYS1.PROCLIB(JES2)'" if Sysdsn( mainproc ) <> "OK" then do "DELSTACK" call B_ALT_METHOD /* -*/ exit end "ALLOC FI(@PRC) DA('SYS1.PROCLIB(JES2)') SHR REU" "EXECIO * DISKR @PRC (FINIS" "FREE FI(@PRC)" txt = "" do queued() parse pull t1 line 73 . if t1 = "//PROC00" then leave /* start of BATCH PROCLIBs */ parse var line t2 t3 . if Left(t1,3) = "//*" then iterate if monitor then say t1 line line = Strip(line) /* remove blanks */ txt = txt""line /* splice - no spaces */ if Right(line,1) <> "," then do parse var txt . txt /* remove "PROC" */ txt = Translate(txt," ","'") /* quotes to spaces */ txt = Space(txt,0) /* spaces gone */ do while txt <> "" parse var txt slug "," txt /* isolate one set */ if monitor then say slug parse var slug tag "=" tagval @z = Value(tag,tagval) /* assign tagval to tag */ end /* while txt */ leave end /* not continued */ end /* queued */ rc = Trace("O"); rc = Trace(tv) /* */ if t1 <> "//PROC00" then, do queued() parse pull t1 line if t1 = "//PROC00" then leave /* start of BATCH PROCLIBs */ end /* queued */ rc = Trace("O"); rc = Trace(tv) parse var line "DSN=" dsn "," parse value dsn with dsn . /* first token only */ if Left(dsn,1) = "&" then do /* it's a symbolic */ dsn = Substr(dsn,2) dsn = Value(dsn) /* substitute */ end /* symbolic */ dsnlist = dsnlist "'"dsn"'" do queued() parse pull t1 t2 t3 . if Left(t1,3) = "// " then do parse var t3 "DSN=" dsn "," parse value dsn with dsn . if Left(dsn,1) = "&" then do /* it's a symbolic */ dsn = Substr(dsn,2) dsn = Value(dsn) /* substitute */ end /* symbolic */ dsnlist = dsnlist "'"dsn"'" end ; else, /* concatenated */ if Left(t1,3) = "//*" then iterate ; else, leave /* next DD ? */ end /* queued */ end /* empty dslist */ "DELSTACK" rc = Trace("O"); rc = Trace(tv) if dsnlist <> "" then, "ALLOC FI(PROCLIB) DA("dsnlist") SHR REU" exit /*@ LOADPROC */ /* . ----------------------------------------------------------------- */ B_ALT_METHOD: /*@ */ if branch then call BRANCH address TSO /* make list of names */ if isfcalls('ON') <> 0 then exit address SDSF "ISFEXEC PROC" names = '' do n = 1 to dsname.0 names = names "'"dsname.n"'" end if names <> "" then do "ALLOC FI( PROCLIB ) DA( "names" ) SHR REU" "LA PROCLIB" end exit /*@ B_ALT_METHOD */ /* . ----------------------------------------------------------------- */ LOCAL_PREINIT: /*@ customize opts */ address TSO return /*@ LOCAL_PREINIT */ /* . ----------------------------------------------------------------- */ HELP: /*@ */ address TSO;"CLEAR" ; say " " if helpmsg <> "" then do ; say helpmsg; say " "; end ex_nam = Left(exec_name,8) /* predictable size */ say " "ex_nam" finds all the application PROCLIB datasets and allocates " say " them as DD(PROCLIB). " say " " say " Syntax: "ex_nam" " pull "CLEAR" say " Debugging tools provided include: " say " " say " MONITOR: displays key information throughout processing. " say " Displays most paragraph names upon entry. " say " " say " BRANCH: show all paragraph entries. " 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" (( MONITOR TRACE ?R " 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 "QSTACK" /* how many stacks? */ stk2dump = rc - tk_init_stacks /* remaining stacks */ if stk2dump = 0 & queued() = 0 then return 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. */ say "Processing Stack #" dd " Total Lines:" queued() do queued();pull line;say line;end /* pump to the screen */ "DELSTACK" /* remove stack */ end /* dd = 1 to rc */ return /*@ DUMP_QUEUE */ /* Handle CLIST-form keywords added 20020513 . ----------------------------------------------------------------- */ CLKWD: Procedure expose info /*@ hide all except info */ arg kw kw = kw"(" /* form is 'KEY(DATA)' */ kw_pos = Pos(kw,info) /* find where it is, maybe */ if kw_pos = 0 then return "" /* send back a null, not found*/ rtpt = Pos(") ",info" ",kw_pos) /* locate end-paren */ slug = Substr(info,kw_pos,rtpt-kw_pos+1) /* isolate */ info = Delstr(info,kw_pos,rtpt-kw_pos+1) /* excise */ parse var slug (kw) slug /* drop kw */ slug = Reverse(Substr(Reverse(Strip(slug)),2)) return slug /*@CLKWD */ /* Handle multi-word keys 20020513 . ----------------------------------------------------------------- */ 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+Words(kw))/* 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")", info if wordpos(dlm,back) = 0 then /* search for ending delimiter*/ helpmsg = helpmsg, "No matching second delimiter("dlm") with KEYPHRS("kp")", info 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 Strip(sourceline(ssii),'T') ; 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 */ sw.0nested = sysvar("SYSNEST") = "YES" sw.0batch = sysvar("SYSENV") = "BACK" sw.0inispf = sysvar("SYSISPF") = "ACTIVE" 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 . parse value KEYWD("TRACE") "N" with tv . 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 */