/* 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; 20250916 fxc SPACEOUT; new BACKEND; 20250925 fxc chg setting of sw. to sw.0; */ 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.0nested 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 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 ) /* 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( '5d40'x,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','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 */ sw.0nested = sysvar( "SYSNEST" ) = "YES" sw.0batch = sysvar( "SYSENV" ) = "BACK" sw.0inispf = sysvar( "SYSISPF" ) = "ACTIVE" parse value KEYWD( "TRACE" ) "N" with tv . 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 . 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 */