/* REXX ISRTHDR Insert header lines to a dataset. Written by Frank Clarke 20060224 Impact Analysis . SYSEXEC TRAPOUT Modification History ccyymmdd xxx ..... .... */ arg argline address TSO /* REXXSKEL ver.20040227 */ 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 /* */ "NEWSTACK" call B_GET_DATA /* */ call C_OUTPUT /* */ "DELSTACK" if \sw.nested then call DUMP_QUEUE /* -*/ exit /*@ ISRTHDR */ /* Initialization . ----------------------------------------------------------------- */ A_INIT: /*@ */ if branch then call BRANCH address TSO parse value "" with, hdr. parse value "0 0 0 0 0 0 0 0 0 0 0 0 0" with, hdrct , . call AK_KEYWDS /* */ return /*@ A_INIT */ /* . ----------------------------------------------------------------- */ AK_KEYWDS: /*@ */ if branch then call BRANCH address TSO sw.0Shift = SWITCH("SHIFT") /* data has no ASA */ indsn = KEYWD("INPUT") hdrdsn = KEYWD("HEADERDS") outdsn = KEYWD("SAVETO") if indsn = "" then, helpmsg = "Must specify 'INPUT'. " if outdsn = "" then, helpmsg = helpmsg " Must specify 'SAVETO'. " else do ldrc = Listdsi(outdsn "norecall") /* sets: */ if Pos("A",sysrecfm) = 0 then, /* SYSRECFM */ helpmsg = helpmsg " "outdsn "is not a printform dataset" end if hdrdsn = "" then, /* they're internal */ parse value KEYWD("HDRCT") hdrct, /* how many ? */ with hdrct . if hdrdsn = "" & hdrct = 0 then, helpmsg = helpmsg " Must specify 'HEADERDS' or 'HDRCT'." if helpmsg <> "" then do helpmsg = Strip(helpmsg) call HELP end parse value KEYWD("LINES") 57 , /* how many ? */ with pagesize . return /*@ AK_KEYWDS */ /* Are the headers embedded with the data? Extract them and make two separate entities. If the headers are external, they're already separate. Insert a set of headers, add -n- lines of data next; repeat until no more data. . ----------------------------------------------------------------- */ B_GET_DATA: /*@ */ if branch then call BRANCH address TSO "ALLOC FI($TMP) DA("indsn") SHR REU" "EXECIO * DISKR $TMP (FINIS" if hdrct = 0 then, /* external source */ do "ALLOC FI($TMP) DA("hdrdsn") SHR REU" "EXECIO * DISKR $TMP (STEM HDR. FINIS" hdrct = hdr.0 end else /* internal headers */ do do zz = 1 to hdrct parse pull hdr.zz end /* hdrct */ /* The queue now contains only data lines */ end "FREE FI($TMP)" queue Copies('01'x , 35) /* marker record */ do forever /* the entire queue */ do zz = 1 to hdrct queue hdr.zz end cchar = "0" do pagesize-hdrct /* enough to fill a page */ parse pull dataline if dataline = Copies('01'x , 35) then leave if sw.0Shift then, queue cchar""dataline else queue dataline cchar = " " end /* pagesize */ if dataline = Copies('01'x , 35) then leave end /* forever */ /* The queue has been replaced with output+headers */ return /*@ B_GET_DATA */ /* Ship the output. . ----------------------------------------------------------------- */ C_OUTPUT: /*@ */ if branch then call BRANCH address TSO "ALLOC FI($TMP) DA("outdsn") SHR REU" "EXECIO" queued() "DISKW $TMP (FINIS" "FREE FI($TMP)" address ISPEXEC "VIEW DATASET("outdsn")" return /*@ C_OUTPUT */ /* . ----------------------------------------------------------------- */ LOCAL_PREINIT: /*@ customize opts */ address TSO return /*@ LOCAL_PREINIT */ /* subroutines below LOCAL_PREINIT are not selected by SHOWFLOW */ /* . ----------------------------------------------------------------- */ HELP: /*@ */ address TSO;"CLEAR" ; say "" if helpmsg <> "" then do ; say helpmsg; say ""; end ex_nam = Left(exec_name,8) /* predictable size */ say " "ex_nam" Insert header lines to a dataset. " say " " say " Syntax: "ex_nam" (Required)" say " " say " (Required)" say " " say " " say " " say " " say " dsn identifies a TSO-form dataset name (quoted if " say " fully-qualified) The 'SAVETO' dataset must have a " say " DCB RECFM of the form '..A'. " say " " say " # for input datasets with embedded headers, the number" say " of such header lines. " say " " say " more .... " "NEWSTACK"; pull ; "CLEAR" ; "DELSTACK" say " " say " ## the number of lines to be written per page. This " say " number includes headers. " say " " say " SHIFT asserts that the data does NOT have carriage control" say " characters in column-1. ASA controls will be added." say " " say " HDRCT and HEADERDS are mutually exclusive. One and only one " say " of these must be specified. " 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" (( MONITOR TRACE ?R " if sw.inispf 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") "O" 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 */