539 lines
16 KiB
Plaintext
539 lines
16 KiB
Plaintext
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******************************************************************************
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*
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* CONVERT.BP.B - Convert basic source to utilize OPEN$UV$FILE,
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* CLOSE$UV$FILE, and RELEASE$UV$FILE
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*
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* Module %M% Version %I% Date %H%
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*
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* (c) Copyright 1998 Ardent Software Inc. - All Rights Reserved
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* This is unpublished proprietary source code of Ardent Software Inc.
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* The copyright notice above does not evidence any actual or intended
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* publication of such source code.
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*
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*******************************************************************************
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*
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* Maintenence log - insert most recent change descriptions at top
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*
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* Date.... GTAR# WHO Description........................................
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* 10/14/98 23801 SAP Change copyrights.
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* 10/12/92 10327 WLC Initial Release.
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*******************************************************************************
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*
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* Replace all OPEN's with CALL *OPEN$UV$FILE
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* Replace all CLOSE's with CALL *CLOSE$UV$FILE
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* If there aren't GOSUB statements and OPEN statements exist,
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* replace RETURNs with CALL *RELEASE$UV$FILE; RETURN.
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*
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* This program will examine source code in a file and
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* change all:
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*
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* OPEN {dict,} filename {TO filevar} {THEN/ELSE}
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*
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* that are on SEPARATE lines, to:
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*
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* CALL *OPEN$UV$FILE(dict,filename,filevar,var.stamp)
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*
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* var.stamp is a string which is generated using variable name and
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* a unique number for each source module. This is used
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* to locate the file variable when it comes time to close
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* a file.
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*
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* To ensure the program logic, when a THEN or ELSE clause
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* is found, one (or both) of the following may happen:
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*
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* A THEN clause ONLY: a newly inserted line will be
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* added after the call to emulate the
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* logic of this clause, thus
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*
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* IF @user.return.code THEN
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*
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* An ELSE clause ONLY: a newly inserted line will be
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* added after the call to emulate the
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* logic of this clause, thus
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*
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* IF NOT(@user.return.code) THEN
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*
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* Both clauses: since the THEN clause must preceed the
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* ELSE clause, only the THEN 'IF' code must
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* be inserted. (see above)
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*
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*
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* The internal variable @user.return.code is set within the
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* called subroutine and is returned with one of the following
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* values:
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*
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* 0 - File could not be opened
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* 1 - File was opened successfully
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* 2 - File was previously opened
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*
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* If there is no DICT keyword specified, either null ("", '')
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* or non-existant, then a null ("") will be placed in the
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* parameter string.
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*
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* Furthermore, there may be the string DATA where one
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* would normally expect to find the string DICT. If DATA is
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* found, this will get filtered by the subroutine.
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*
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* If there is no FILENAME keyword specified, an ERROR message
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* will be displayed and the source code exited.
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*
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* If there is no FILEVAR, it is assumed that the desired option
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* is to open to the default file variable. For this, the
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* UniVerse internal 'at' variable @STDFIL will be substituted
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* as the FILEVAR in the parameter list.
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*
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*
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$OPTIONS PICK
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$INCLUDE UNIVERSE.INCLUDE FILENAMES.H
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*
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* Set EQUATES
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*
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equ TRUE to 1
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equ FALSE to 0
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*
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* Define Upcase VARIABLES
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*
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ACTIVE.LIST=""
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COMMAND.LINE=""
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SOURCE.FILE=""
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THIS.PROGRAM=""
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*
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* Define Downcase VARIABLES
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*
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a.N.line=""
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a.S.line=""
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disable.auto.paging=@(0,0)
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eol=FALSE
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items.selected=0
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look.for.a.clause=FALSE
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S.mark=0
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prompt ""
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N.record="" ;* new record being built and eventually written
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S.record="" ;* source record from file
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record.attempts=FALSE
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change.count=0
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save.S.line=""
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write.this.record=FALSE
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use.else=FALSE ; use.then=FALSE
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*
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* Get & Parse command line
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*
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COMMAND.LINE=@sentence
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convert " " to @fm in COMMAND.LINE
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if COMMAND.LINE<1> = "RUN" then
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del COMMAND.LINE<1> ;* get rid of 'RUN'
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del COMMAND.LINE<1> ;* get rid of 'FILE'
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end
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THIS.PROGRAM=COMMAND.LINE<1>
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del COMMAND.LINE<1> ;* get rid of 'PROGRAM'
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*
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* Get Name of source code file to look at
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*
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if COMMAND.LINE<1> # "" then
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SOURCE.FILE=COMMAND.LINE<1>
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del COMMAND.LINE<1>
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end else
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crt 'Enter Filename: ':
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input SOURCE.FILE
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end
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*
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* Attempt open of file to default file
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*
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open SOURCE.FILE else
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crt "Unable to open file '":SOURCE.FILE:"'. Program '":THIS.PROGRAM:"' halted."
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abort
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end
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*
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* Select the file or get active list
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*
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GET.RECORDS:
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if COMMAND.LINE<1>="*" or COMMAND.LINE<1>="ALL" then
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echo off
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execute "SSELECT ":SOURCE.FILE rtnlist ACTIVE.LIST
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items.selected=@selected
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echo on
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end else
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if not(system(11)) or record.attempts=TRUE then
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items.selected=dcount(COMMAND.LINE,@fm)
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select COMMAND.LINE to ACTIVE.LIST
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end else
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items.selected=@selected
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selecte to ACTIVE.LIST
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end
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end
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*
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* Check to see if anything was selected
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*
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if not(items.selected) then
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if not(record.attempts) then
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record.attempts=TRUE
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record.id=""; COMMAND.LINE=""
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loop
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crt "Record: ":
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input record.id
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until record.id="" do
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COMMAND.LINE<-1>=record.id
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repeat
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goto GET.RECORDS:
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end else
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crt "Unable to retrieve any record keys. Program '":THIS.PROGRAM:"' halted."
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abort
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end
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end
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*
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* Display number selected
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*
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crt
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crt "'":items.selected:"' selected for processing."
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crt
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*
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* Read one item off of list at a time
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*
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loop
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readnext record.id from ACTIVE.LIST else eol=TRUE
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until eol=TRUE do ;* beginning of major loop
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write.this.record=FALSE ;* reset WRITE flag
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opens.exist=FALSE
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change.count=0
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gosubs.found=FALSE
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*
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* Read and lock record
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*
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readu S.record from record.id then
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N.record="" ;* NULL out new record
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GOSUB FIND.UNIQUE.ID
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GOSUB FIND.GOSUBS
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*
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* Look at each line for OPEN/CLOSE/RETURN statements
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*
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loop ;* beginning of loop A
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a.S.line=remove(S.record,S.mark)
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until a.S.line="" and S.mark=0 do
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*
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* Find first non-blank in line.
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*
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orig.line=a.S.line
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blanks = 0
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blank=1
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loop
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while (blanks = 0 and blank < LEN(a.S.line))
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if a.S.line[blank,1] # " " and a.S.line[blank,1] # char(9) then
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blanks = blank-1
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end
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blank += 1
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repeat
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if blanks = 0 then whitespace="" else whitespace=orig.line
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a.S.line=trimf(a.S.line)
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open.ix=index(upcase(a.S.line), "OPEN", 1)
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close.ix=index(upcase(a.S.line), "CLOSE", 1)
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return.ix=index(upcase(a.S.line), "RETURN", 1)
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begin case
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case open.ix # 0
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if open.ix > 1 and a.S.line[open.ix-1,1] # " " then
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string=""
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end else string=upcase(a.S.line[open.ix,5])
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case close.ix # 0
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if close.ix > 1 and a.S.line[close.ix-1,1] # " " then
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string=""
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end else string=upcase(a.S.line[close.ix,6])
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case return.ix # 0
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if return.ix > 1 and a.S.line[return.ix-1,1] # " " then
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string=""
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end else string=upcase(a.S.line[return.ix,7])
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case 1
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string=""
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end case
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begin case
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case string="OPEN " or string="OPEN'" or string='OPEN"'
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gosub PARSE.OPEN
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if not(look.for.a.clause) then
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N.record<-1>= a.N.line
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end
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case look.for.a.clause = TRUE and a.S.line#""
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if upcase(a.S.line) MATCHES "'ELSE'0X" then
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a.N.line:="*":a.S.line
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a.N.line:=@fm:whitespace[1,blanks]:"IF NOT(@user.return.code) THEN ":a.S.line[5,999999]
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N.record<-1>= a.N.line
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change.count+=1
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end else
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if upcase(a.S.line) MATCHES "'THEN'0X" then
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a.N.line:="*":a.S.line
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a.N.line:=@fm:whitespace[1,blanks]:"IF @user.return.code ":a.S.line
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N.record<-1>= a.N.line
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change.count+=1
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end else
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N.record<-1>= whitespace[1,blanks]:save.S.line
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N.record<-1>= whitespace[1,blanks]:a.S.line
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end
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end
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look.for.a.clause=FALSE
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case string[1,5]="CLOSE"
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gosub PARSE.CLOSE
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N.record<-1>=a.N.line
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case string[1,6]="RETURN"
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gosub PARSE.RETURN
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N.record<-1>=a.N.line
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case 1
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N.record<-1>=orig.line ;* no match - just add to new record
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end case
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repeat ;* end of loop A
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end else
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crt "Unable to read record '":record.id:"'."
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end
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*
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* Write out record if changes made
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*
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if write.this.record and opens.exist then
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crt change.count:" changes made to ",record.id
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write N.record on record.id
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end
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*
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* If gosubs exist in source, we cannot replace RETURNs properly, warn them...
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*
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if gosubs.found and write.this.record and opens.exist then
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crt
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crt "************************************************************"
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crt "Warning: program ":record.id:" from ":SOURCE.FILE:" contains"
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crt " gosub statements. Therefore, the open tools"
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crt " cannot determine which RETURN statments"
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crt " to replace with:"
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crt " 'CALL *RELEASE$UV$FILE(":'"':unique.id:'"':"); RETURN'"
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crt " Please examine source and put the above statements"
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crt " wherever the non-gosub RETURNs are. "
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crt " This is only necessary if locks have been set and "
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crt " need to be released at the end of this routine."
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crt "************************************************************"
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end
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*
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* Unlock the record
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*
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release record.id
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*
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* Go process next record.id
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*
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repeat ;* end of major loop
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*
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* This program is all done
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*
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STOP
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*
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* BEGINNING OF SUBROUTINE AREA
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*
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FIND.UNIQUE.ID:
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curr.account=@who
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record.key = curr.account:"*":SOURCE.FILE:"*":record.id
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openpath UV.ROOT:"/OPEN.UNIQUE" to UNIQUE.FV else
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crt "*** Error opening the OPEN.UNIQUE file in ":UV.ROOT
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crt "*** Please RUN APP.PROGS OPEN.INIT.B as root "
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crt "*** from the ":UV.ROOT:" account and try again."
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stop
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end
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read curr.entry from UNIQUE.FV,record.key then
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unique.id = curr.entry
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return
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end
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tries = 0
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try.again:
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readu unique.id from UNIQUE.FV,"NEXT.VALUE" locked
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tries += 1
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if tries > 20 then
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crt "*** The NEXT.VALUE record in the OPEN.UNIQUE file in "
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crt "*** the ":UV.ROOT:" account is currently locked by "
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crt "*** another user. Please try again later."
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stop
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end
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sleep 10
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goto try.again
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end else
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crt "*** Error reading NEXT.VALUE from OPEN.UNIQUE file in "
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crt "*** ":UV.ROOT:". Please RUN APP.PROGS OPEN.INIT.B as root "
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crt "*** from the ":UV.ROOT:" account and try again."
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end
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write unique.id+1 on UNIQUE.FV,"NEXT.VALUE"
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write unique.id on UNIQUE.FV,record.key
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return
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FIND.GOSUBS:
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temp.mark=0
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T.record=S.record
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loop
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a.T.line=remove(T.record,temp.mark)
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until a.T.line="" and temp.mark=0 do
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a.T.line=upcase(trimf(a.T.line))
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gosub.ix = INDEX(a.T.line,"GOSUB ",1)
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pc = a.T.line[gosub.ix-1,1]
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if gosub.ix and a.T.line[1,1] # "*" and (pc = " " or pc = char(9)) then
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gosubs.found=TRUE
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|
|
end
|
||
|
|
repeat
|
||
|
|
return
|
||
|
|
|
||
|
|
PARSE.OPEN:
|
||
|
|
use.then=FALSE ; use.else=FALSE
|
||
|
|
DICT.VALUE=""; DATA.VALUE=""; FILE.VALUE=""
|
||
|
|
*
|
||
|
|
* Assign TEMP variable
|
||
|
|
*
|
||
|
|
TEMP.LINE=convert(" ",@fm,trim(a.S.line))
|
||
|
|
|
||
|
|
*
|
||
|
|
* Put space between OPEN & DICT/DATA name
|
||
|
|
*
|
||
|
|
if TEMP.LINE<1>[5,1]="'" or TEMP.LINE<1>[5,1]='"' then
|
||
|
|
Lhalf=TEMP.LINE<1>[1,4]
|
||
|
|
Rhalf=TEMP.LINE<1>[5,999999]
|
||
|
|
TEMP.LINE<1>=Lhalf:@fm:Rhalf
|
||
|
|
end
|
||
|
|
*
|
||
|
|
* Check to see if there aren't any spaces between comma
|
||
|
|
*
|
||
|
|
* if index(TEMP.LINE<2>,',',1) then
|
||
|
|
* TEMP.LINE<2>=field(TEMP.LINE<2>,",",1,1):",":@fm:field(TEMP.LINE<2>,",",2,9999)
|
||
|
|
* end
|
||
|
|
*
|
||
|
|
* Setup
|
||
|
|
*
|
||
|
|
a.N.line=whitespace[1,blanks]
|
||
|
|
a.N.line:="CALL *OPEN$UV$FILE(" ;* start making call
|
||
|
|
word.cnt=dcount(TEMP.LINE,@fm)
|
||
|
|
if upcase(TEMP.LINE<1>)="OPEN" then
|
||
|
|
*
|
||
|
|
* Look for dict
|
||
|
|
*
|
||
|
|
findstr "," in TEMP.LINE,1 setting FMC then
|
||
|
|
DICT.VALUE=field(TEMP.LINE<FMC>,",",1)
|
||
|
|
DATA.VALUE=field(TEMP.LINE<FMC>,",",2)
|
||
|
|
end else
|
||
|
|
DICT.VALUE='""' ;* no dict specified
|
||
|
|
FMC=1
|
||
|
|
end
|
||
|
|
*
|
||
|
|
* Update
|
||
|
|
*
|
||
|
|
a.N.line:=DICT.VALUE:","
|
||
|
|
*
|
||
|
|
* Get filename (var)
|
||
|
|
*
|
||
|
|
if DATA.VALUE="" then
|
||
|
|
FMC+=1
|
||
|
|
DATA.VALUE=TEMP.LINE<FMC>
|
||
|
|
end
|
||
|
|
*
|
||
|
|
* Update
|
||
|
|
*
|
||
|
|
a.N.line:=DATA.VALUE:","
|
||
|
|
*
|
||
|
|
* See if there is a 'TO' keyword
|
||
|
|
*
|
||
|
|
FMC+=1
|
||
|
|
if upcase(TEMP.LINE<FMC>) = 'TO' then
|
||
|
|
FMC+=1
|
||
|
|
FILE.VALUE=TEMP.LINE<FMC>
|
||
|
|
end else
|
||
|
|
*
|
||
|
|
* There is no file variable, so use default
|
||
|
|
*
|
||
|
|
FILE.VALUE='@STDFIL'
|
||
|
|
FMC-=1
|
||
|
|
end
|
||
|
|
*
|
||
|
|
* Update
|
||
|
|
*
|
||
|
|
a.N.line:=FILE.VALUE:',"':FILE.VALUE:"_":unique.id:'")'
|
||
|
|
*
|
||
|
|
* Now look for THEN or ELSE.
|
||
|
|
*
|
||
|
|
FMC+=1
|
||
|
|
if upcase(TEMP.LINE<FMC>)='THEN' then use.then=TRUE
|
||
|
|
if upcase(TEMP.LINE<FMC>)='ELSE' then use.else=TRUE ; FMC+=1
|
||
|
|
line.remainder=""
|
||
|
|
for a=FMC to word.cnt
|
||
|
|
line.remainder:=TEMP.LINE<a>:" "
|
||
|
|
next a
|
||
|
|
*
|
||
|
|
* Assemble new
|
||
|
|
*
|
||
|
|
a.N.line="* ":a.S.line:@fm:a.N.line:@fm
|
||
|
|
if use.then then
|
||
|
|
a.N.line:=whitespace[1,blanks]:"IF @user.return.code ":line.remainder
|
||
|
|
write.this.record=TRUE
|
||
|
|
opens.exist=TRUE
|
||
|
|
change.count+=1
|
||
|
|
end
|
||
|
|
if use.else then
|
||
|
|
a.N.line:=whitespace[1,blanks]:"IF NOT(@user.return.code) THEN ":line.remainder
|
||
|
|
write.this.record=TRUE
|
||
|
|
opens.exist=TRUE
|
||
|
|
change.count+=1
|
||
|
|
end
|
||
|
|
if not(use.else) and not(use.then) then
|
||
|
|
look.for.a.clause=TRUE
|
||
|
|
save.S.line=a.S.line
|
||
|
|
end
|
||
|
|
end else
|
||
|
|
* oops! no change - bad line
|
||
|
|
a.N.line=orig.line
|
||
|
|
end
|
||
|
|
EXIT.PARSE.OPEN:
|
||
|
|
return
|
||
|
|
|
||
|
|
PARSE.CLOSE:
|
||
|
|
DICT.VALUE=""; DATA.VALUE=""; FILE.VALUE=""
|
||
|
|
*
|
||
|
|
TEMP.LINE=convert(" ",@fm,trim(a.S.line))
|
||
|
|
*
|
||
|
|
|
||
|
|
* Make sure the CLOSE was not part of variable or label name
|
||
|
|
|
||
|
|
nc = string[6,1]
|
||
|
|
if (nc # '' and nc # ";" and nc # " " and nc # char(9)) or (trim(a.S.line)[1,1] = "*") then
|
||
|
|
a.N.line=whitespace[1,blanks]
|
||
|
|
a.N.line:=a.S.line
|
||
|
|
return
|
||
|
|
end
|
||
|
|
|
||
|
|
locate "CLOSE" in TEMP.LINE setting loc else loc=0
|
||
|
|
FILE.VALUE=TEMP.LINE<loc+1>
|
||
|
|
if FILE.VALUE="" or FILE.VALUE=";" then FILE.VALUE='@STDFIL'; fv.len=0
|
||
|
|
else fv.len=len(FILE.VALUE)
|
||
|
|
|
||
|
|
a.N.line=whitespace[1,blanks]
|
||
|
|
a.N.line:=a.S.line[1,close.ix-1]:"CALL *CLOSE$UV$FILE("
|
||
|
|
a.N.line:=FILE.VALUE:',"':FILE.VALUE:"_":unique.id:'")'
|
||
|
|
next.item=close.ix+6+fv.len
|
||
|
|
a.N.line:=a.S.line[next.item,99]
|
||
|
|
a.N.line="* ":a.S.line:@fm:a.N.line:@fm
|
||
|
|
write.this.record=TRUE
|
||
|
|
change.count+=1
|
||
|
|
return
|
||
|
|
|
||
|
|
PARSE.RETURN:
|
||
|
|
|
||
|
|
* Make sure RETURN is not part of variable, label, comment or gosubs exist
|
||
|
|
|
||
|
|
nc = string[7,1]
|
||
|
|
if (nc # '' and nc # ";" and nc # " " and nc # char(9)) or gosubs.found or trim(a.S.line)[1,1] = "*" then
|
||
|
|
a.N.line=orig.line
|
||
|
|
return
|
||
|
|
end
|
||
|
|
|
||
|
|
a.N.line=whitespace[1,blanks]
|
||
|
|
a.N.line:=a.S.line[1,return.ix-1]
|
||
|
|
a.N.line:='CALL *RELEASE$UV$FILE("':unique.id:'"); RETURN'
|
||
|
|
a.N.line:=a.S.line[return.ix+6,99]
|
||
|
|
a.N.line="* ":a.S.line:@fm:a.N.line:@fm
|
||
|
|
write.this.record=TRUE
|
||
|
|
change.count+=1
|
||
|
|
|
||
|
|
return
|
||
|
|
*
|
||
|
|
* End of code
|
||
|
|
*
|
||
|
|
END
|