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1989-02-03
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PXREF
Pascal Cross Reference Program
Version 1.0
(c) 1988 Robert Webster
INTRODUCTION
This program generates a listing of a pascal program and a cross
reference listing of the variables, procedures & functions, built-in
procedures, and key words.
The listing can be output to disk, printer ports, or serial ports.
Any section of the output can be enabled or disabled. In addition,
only symbols with a single reference can output to help find
unreferenced variables in a program.
The program defaults can be set in a setup file. Settings can be
overridden with command line parameters. File names can be specified
on the command line for batch operation, or can be entered when the
program is run.
This program is compatible with both Turbo Pascal files and Microsoft
Pascal. It can be tailored for other Pascals by creating a file of
reserved words and a file of built-in procedures for the particular
compiler.
Two versions of the PXREF are available - one for MSDOS, and one for
OS/2 protected mode.
RUNNING PXREF
To run the program, enter PXREF. The complete syntax is:
PXREF [infile] [listfile] [options]
Infile is the Pascal file name. If this file name is not included on
the command line, you will be asked for it and the listing file name.
A file extension of .PAS is assumed if none is given.
Listfile is the listing file name. To output to a printer, enter
LPT1:, COM1:, etc. If the list file is omitted and the input file
name is given, the input file name with the extension .LST is used for
the list file.
Options:
/BUILTIN or /B - Output a list of built-in functions and procedures
referenced in the program.
/NOBUILTIN or /NB - Do NOT output a list of built-in functions and
procedures referenced in the program. This is ordinarily the
program default. It may be specified to override the default
file.
/RESERVED or /R - Output a list of reserved words referenced in the
program.
/NORESERVED or /NR - Do NOT output a list of reserved words referenced
in the program. This is ordinarily the program default. It may
be specified to override the default file.
/LIST or /L - Output a program listing along with the cross reference
listing.
/NOLIST or /NL - Do NOT output a program listing. This is ordinarily
the program default. It may be specified to override the default
file.
/UNREF - Output only those symbols with a single reference in the
cross reference listing. This helps find unreferenced variables.
/NOUNREF - Output all referenced symbols in the cross reference
listing. This is ordinarily the program default. It may be
specified to override the default file.
/PRINT or /P - Output page headings and page feed characters in the
listing if it is sent to a disk file. (The page headings and page
feed characters are always output if the listing is sent to LPT1:,
COM1:, etc.)
/NOPRINT or /NP - Do NOT page headings and page feed characters in the
listing if it is sent to a disk file. (The page headings and page
feed characters are always output if the listing is sent to LPT1:,
COM1:, etc.) This is ordinarily the program default. It may be
specified to override the default file.
/WIDE or /W - Use a line length of 132 columns.
/NOWIDE or /NW - Use a line length of 80 columns. This is ordinarily
the program default. It may be specified to override the default
file.
/MS - Source file is Microsoft Pascal.
/TP - Source file is Turbo Pascal.
/LL=nn - Specify the line length in columns. nn = number of columns.
/LL=80 does the same thing as /NOWIDE. /LL=132 does the same
thing as /WIDE.
/PL=nn - Specify the page length in lines. nn = number of lines.
THE DEFAULT FILE
Program defaults may be specified in the file PXREF.DAT. To do this,
edit the file and put any of the above parameters in the file. There
can be more than one parameters on each line, and there can be more
than one line of parameters.
For example, to set up the program for Turbo Pascal and a wide
carriage printer, you could put the following in the file PXREF.DAT:
/TP
/WIDE
CUSTOMIZING PXREF
PXREF uses two files - one containing lists of key words and another
containing a list of built-in procedures. The is one set of these
files for Microsoft Pascal and one set for Turbo Pascal:
MSRESERV.DAT - Microsoft Pascal reserved words.
MSBUILT.DAT - Microsoft Pascal built-in procedures and functions.
TPRESERV.DAT - Turbo Pascal reserved words.
TPBUILT.DAT - Turbo Pascal built-in procedures and functions.
The files used depends on the /MS or /TP parameter in the default file
or the command line. To configure this program for another Pascal
compiler, change one set of the files to contain the appropriate
symbols used by the new compiler.
PROGRAM LIMITATIONS
This program can handle a maximum of 3000 variables and 20000
references. This is probably enough for any module that can be
compiled by the Microsoft or the Turbo Pascal compilers.
LICENSE AND LEGAL GARBAGE
This program is licensed STRICTLY "AS IS", without any warranty for
its performance, accuracy, or freedom from error, or results generated
through its use, including, but not limited to, any implied warranties
or warranties of merchantability or fitness for a particular purpose.
You assume the entire risk as to the results and performance of the
program. I do not warrant that the program will meet your
requirements or operate without interruption or error.
This program can be distributed freely as long as it is distributed
intact and unmodified in the original distribution archive file, and
as long as it's not sold for more than $10.
If you like this program, please support the shareware concept and
send $10,000 to:
Robert Webster
287 Cottonwood Rd.
Pryor, OK 74361
(918) 825-7205
See the DesignCAD BBS for the latest release -
(918) 825-4895 Evenings and Weekends
(6:00 pm - 8:30 am Central Time on weekdays)