VPPREPROC(1p) User Contributed Perl Documentation VPPREPROC(1p)
NAME
vppreproc - Preprocess Verilog code using verilog-perl
SYNOPSIS
vppreproc --help
vppreproc [verilog_options] [-o filename] [verilog_files.v...]
DESCRIPTION
Vppreproc reads the Verilog files passed on the command line and outputs preprocessed output to standard out or the filename passed with
-o.
Note vppreproc was named vppp until release 3.100, so if you're looking for vppp, this is the right replacement. The vppp name conflicted
with another non-Verilog related tool.
VERILOG ARGUMENTS
The following arguments are compatible with GCC, VCS and most Verilog programs.
+define+var+value =item -Dvar=value
Defines the given preprocessor symbol.
-f file
Read the specified file, and act as if all text inside it was specified as command line parameters.
-f file
Read the specified file, and act as if all text inside it was specified as command line parameters. Any relative paths are relative to
the current directory.
+incdir+dir =item -Idir
Add the directory to the list of directories that should be searched for include directories or libraries.
+libext+ext+ext...
Specify the extensions that should be used for finding modules. If for example module x is referenced, look in x.ext.
-y dir
Add the directory to the list of directories that should be searched for include directories or libraries.
VPPREPROC ARGUMENTS
--help
Displays this message and program version and exits.
--o file
Use the given filename for output instead of stdout.
--dump-defines
Suppress normal output, and instead print a list of all defines existing at the end of processing the input file.
--noblank
Removes empty lines from the output. Should be used with --noline, as if correct line numbers are needed, blank lines must be
preserved for proper accounting by the program reading the output of vppreproc.
--nocomment
Remove comments.
--noline
Remove `line directives.
--pedantic
Rigorously obey the Verilog spec. This disables the `error feature, and may disable other features that are not specified in the
approved language reference manual. Defaults false.
--simple
Requests simple output, an alias for --noline, --nocomment and --noblank.
--sythesis
Define SYNTHESIS, and ignore text bewteen "ambit", "pragma", "synopsys" or "synthesis" translate_off and translate_on meta comments.
Note using metacomments is discouraged as they have led to silicon bugs (versus ifdef SYNTHESIS); see
<http://www.veripool.org/papers/TenIPEdits_SNUGBos07_paper.pdf>.
--version
Displays program version and exits.
LANGUAGE EXTENSIONS
Vppreproc supports the preprocessing constructs defined in the Verilog 2001 and SystemVerilog 2005 standards.
The following additional constructs may be added to your Verilog code.
`__FILE__
The __FILE__ define expands to the current filename as a string, like C++'s __FILE__. This was incorporated into to the 1800-2009
standard (but supported by Verilog-Perl since 2004!)
`__LINE__
The __LINE__ define expands to the current filename as a string, like C++'s __LINE__. This was incorporated into to the 1800-2009
standard (but supported by Verilog-Perl since 2004!)
`error string
This will report an error when encountered, like C++'s #error.
DISTRIBUTION
Verilog-Perl is part of the <http://www.veripool.org/> free Verilog EDA software tool suite. The latest version is available from CPAN and
from http://www.veripool.org/verilog-perl <http://www.veripool.org/verilog-perl>.
Copyright 2000-2012 by Wilson Snyder. This package is free software; you can redistribute it and/or modify it under the terms of either
the GNU Lesser General Public License Version 3 or the Perl Artistic License Version 2.0.
AUTHORS
Wilson Snyder <wsnyder@wsnyder.org>
SEE ALSO
Verilog-Perl, Verilog::Getopt, Verilog::Preproc
perl v5.14.2 2012-05-04 VPPREPROC(1p)