/* REXX CMDUPD Enables update of local command table when the ISPTLIB is not attached. Use '(routine name) ?' for HELP-text. Written by Frank Clarke rexxhead@yahoo.com 20020830 Impact Analysis . SYSEXEC FCCMDUPD . SYSEXEC FIXTBL . SYSEXEC TRAPOUT Modification History 20230308 fxc prevent TBSORT for already-open table 20230730 fxc adjust HELP; 20240308 fxc chg dollar-sign to @ everywhere; 20240415 fxc DUMP_QUEUE quiet; */ arg argline address TSO /* REXXSKEL ver.20020513 */ arg parms "((" opts signal on syntax signal on novalue call TOOLKIT_INIT /* conventional start-up -*/ rc = Trace("O"); rc = Trace(tv) info = parms /* to enable parsing */ call A_INIT /* -*/ call B_LINK_TLIB /* -*/ if \sw.nested then call DUMP_QUEUE 'quiet' /* -*/ exit /*@ CMDUPD */ /* Set or default the table library and table name . ----------------------------------------------------------------- */ A_INIT: /*@ */ if branch then call BRANCH address TSO "NEWSTACK" "LA ISPTABL ((STACK" pull isptlib . isptlib = "'"isptlib"'" "DELSTACK" parse value KEYWD("IN") isptlib with , tblds . parse value info "TMPCMDS" with , @tn@ . parse var @tn@ appid "CMDS" /* strip CMDS suffix */ @tn@ = appid"CMDS" /* in case it arrived as xxx */ return /*@ A_INIT */ /* Start FIXTBL to do the update. . ----------------------------------------------------------------- */ B_LINK_TLIB: /*@ */ if branch then call BRANCH address ISPEXEC "LIBDEF ISPTLIB DATASET ID("tblds") STACK" address TSO "FIXTBL" appid /* -*/ "TBSTATS" @tn@ "STATUS1(s1) STATUS2(s2)" /* status of @tn@ */ if s1 > 1 then do sw.0error_found = "1"; return end; else, if s2 = 1 then do /* table is not open */ "TBOPEN " @tn@ "WRITE" if rc > 4 then do sw.0error_found = 1 zerrsm = "Table did not OPEN" zerrlm = "Table" @tn@ "cannot be opened due to prior", "enqueues." "SETMSG MSG(ISRZ002)" end "TBSORT" @tn@ "FIELDS(ZCTVERB,C,A)" "LIBDEF ISPTABL DATASET ID("tblds") STACK" "TBCLOSE" @tn@ "LIBDEF ISPTABL" end "LIBDEF ISPTLIB" return /*@ B_LINK_TLIB */ /* . ----------------------------------------------------------------- */ LOCAL_PREINIT: /*@ customize opts */ address TSO if SWITCH("INSTALL") then do /* set tmpcmds */ queue "CMDUPD" /* zctverb */ queue "4" /* zcttrunc */ queue "SELECT CMD(%CMDUPD &ZPARM)" /* zctact */ queue "Update detached command table" /* zctdesc */ "FCCMDUPD" /* load the table */ exit end /* INSTALL */ return /*@ LOCAL_PREINIT */ /* subroutines below LOCAL_PREINIT are not selected by SHOWFLOW */ /* . ----------------------------------------------------------------- */ HELP: /*@ */ address TSO;"CLEAR" if helpmsg <> "" then say helpmsg; say "" ex_nam = Left(exec_name,8) /* predictable size */ say " " say " "ex_nam" permits updating a local command table even if it is not " say " allocated as ISPTLIB and ISPTABL. " say " " say " " say " Syntax: "ex_nam" tablenm (Defaults)" say " IN tbllib (Defaults)" say " (( INSTALL " say " " say " " say " tablenm identifies the command table to be updated. Default" say " is 'TMPCMDS'. " say " " say " tbllib names the library in which 'tablenm' will be found " say " and to which it is to be saved. Default is " say " 'ISPTLIB'. " say " " say " INSTALL orders "ex_nam" to place a command onto the user's " say " TMPCMDS table. When INSTALL is specified, no other " say " processing occurs. " say " " "NEWSTACK"; pull ; "CLEAR" ; "DELSTACK" say " Debugging tools provided include: " say " " say " BRANCH show all paragraph entries. " say " " say " TRACE tv will use value following TRACE to place the " say " execution in 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" (( BRANCH 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 */ /* 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")" 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 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','5d'x ) /* 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 = "exec_name tv helpmsg sw. zerrhm zerralrm ", "zerrsm zerrlm tk_init_stacks branch monitor ", "noupdt" call LOCAL_PREINIT /* for more opts -*/ return /*@ TOOLKIT_INIT */