/* REXX SAYVAR Say the value of the profile variable. Update the variable if requested. Use '(routine name) ?' for HELP-text. Written by Don Ohlin. Rewritten by Chris Lewis 960104 Impact Analysis . SYSEXEC TRAPOUT Modification History 19960104 ctl Rewrite 19980519 fxc upgrade from v.960103 to v.19980225; DECOMM; RXSKLY2K; 20010622 fxc WIDEHELP; upgrade HELP to include new features; 20091013 fxc use CLKWD for UPDATE; 20230407 fxc adjust HELP 20240308 fxc chg dollar-sign to @ everywhere; */ arg argline address ISPEXEC /* REXXSKEL ver.19980225 */ 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 */ if info = "" then call HELP /* Won't be back */ parse var info parm_variable info /* equal to 1st word */ @z@upd = CLKWD("UPDATE") @z@rep = Keywd("REPLACE") sw.0purg = Switch("PURGE") address TSO "CLEAR" /* Clear the screen. */ "VGET ("parm_variable" ZAPPLID) ASIS" /* retrieve from profile, */ /* along with APPLID. */ say Value(parm_variable) Copies(" - ",3) "Applid:" zapplid if sw.0purg then do "VERASE" parm_variable "BOTH" /* kill it */ if rc > 0 then say "Possible 'not found' condition." else say parm_variable "erased" return end if @z@upd||@z@rep = "" then return /* Nothing to update. */ if @z@rep <> "" then do /* variable name */ "VGET ("@z@rep" ZAPPLID) ASIS" /* get replacement */ @z@upd = Value(@z@rep) end rc = Value(parm_variable,@z@upd) /* p_v is set equal to update */ if \noupdt then "VPUT ("parm_variable") PROFILE" /* update the profile */ say Value(parm_variable) "<-- NEW VALUE" /* say the new value. */ call DUMP_QUEUE /* -*/ exit /*@ SAYVAR */ /* . ----------------------------------------------------------------- */ LOCAL_PREINIT: /*@ customize opts */ address TSO 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 " "ex_nam" Displays the value of an ISPF variable and allows the " say " caller to specify a replacement value. " say " " say " Syntax: "ex_nam" varname " say " UPDATE( value ) " say " REPLACE sourcevar " say " PURGE " say " " say " varname is the name of the ISPF variable to be examined. " say " " say " " say " value is the replacement value to be assigned to " say " varname. value must be within parentheses. " say " " say " sourcevar is a second ISPF variable whose value is to be " say " loaded to varname. " say " " say " PURGE indicates that varname is to be removed from its " say " variable pool. " say " " say " If REPLACE is specified, UPDATE is ignored. " say " If PURGE is specified, everything else is ignored. " "NEWSTACK"; pull ; "CLEAR" ; "DELSTACK" say " Debugging tools provided include: " say " " say " NOUPDT: by-pass all update logic. " 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" exec_name" parameters (( debug-options " say " " say " For example: " say " " say " TSO" exec_name " (( MONITOR 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 /* form is 'KEY DATA' */ 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 /* form is 'KEY ;: DATA ;:' */ 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 ssct . /* 'call ss 122 6' maybe */ if ssct = "" then ssct = 10 if \datatype(ssbeg,"W") | \datatype(ssct,"W") then return ssend = ssbeg + ssct do ssii = ssbeg to ssend ; say Strip(sourceline(ssii),'T') ; end return /*@ SS */ /* . ----------------------------------------------------------------- */ SWITCH: Procedure expose info /*@ */ arg kw /* form is 'KEY' */ 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.nested = sysvar("SYSNEST") = "YES" sw.batch = sysvar("SYSENV") = "BACK" sw.inispf = 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 */