A common use case (prior to the introduction of localparam) was to
use macros to define constant values, and to put global constant
values in an include file that gets included by each source file.
This will generate a lot of spurious warnings if we warn about all
redefinitions. Make this new option the default for -Wall.
Presumably, the user will want the ability to explicitly set the
working library location, so create a +vhdl-work+ plusarg setting
for exactly that purpose.
In ivl_alloc.h we redefine malloc(), realloc() and calloc() to have
standard error checking. We don't want to do this for anything that
comes from the standard headers. This specifically doesn't work if
a C++ header files does std::malloc, etc.
Also change to -W instead of -Wextra since that is more portable. I
plan to add a check from -Wextra and use it when available since it
is more descriptive.
The functions (malloc, free, etc.) that used to be provided in
malloc.h are now provided in cstdlib for C++ files and stdlib.h for
C files. Since we require a C99 compliant compiler it makes sense
that malloc.h is no longer needed.
This patch also modifies all the C++ files to use the <c...>
version of the standard C header files (e.g. <cstdlib> vs
<stdlib.h>). Some of the files used the C++ version and others did
not. There are still a few other header changes that could be done,
but this takes care of much of it.
The latest gcc with the latest Cygwin complains when passing a char to
the toupper, tolower, isspace, isalnum, isprint, isdigit or isalpha
functions/macros. These functions are defined to take an integer. This
patch adds cast to int as needed to remove the warnings. After this
there are still two warnings related to signed/unsigned comparison in
yy_get_next_buffer() (part of flex).
Try to put all the version stamps into common version_base.h
and version_stamp.h header files. All the source programs then
get their version from these header files.
Also handle the version stamps in the man pages by using the
version_*.h header file contents to edit the version strings
in the man page title bar markers.
Minor fixes and code reorganization to remove a few more issues
that cppcheck is complaining about. It has a few false warnings
and some issues that need more investigation.
This patch modifies the iverilog -M command line option to allow
the user to specify an optional output mode that controls which
files get added to the dependency list. This allows the user to
either get a list of all files that contribute to the design,
or a list of the include files, or a list of the module files.
This patch adds real functionality for `celldefine and pushes this
property to the run time which can access this with vpiCellInstance.
This is technically only available for a module, but all scopes
have the property and only modules should return true when the
'endmodule' is between a `celldefine and `endcelldefine directive.
The dependency file may be written by ivlpp as it loads its own
dependencies. Make sure this doesn't mess up the dependencies that
are already written by the main program. This requires that ivl,
ivlpp and iverilog (driver) cooperate on the opening of the
dependency file.
In the past we automatically added the local directory to
the beginning of the include search path. This was found to
conflict with what other tools do so this functionality is
now only available when the -grelative-include option is
given to iverilog.
This patch updates the GNU address in the -V output, adds the
VERSION_TAG info to the tgt-vvp back end and adds the whole -V
hook to the tgt-vhdl back end.
This patch fixes a minor memory leak in ivlpp and releases all
dynamically allocated memory before the program exits. Other than
the dynamically allocated push state buffer in flex, ivlpp has no
valgrind memory errors or warnings.
When the -V flag is passed to the iverilog command, we can easily
print the version information for the driver itself, but it is also
valuable to probe all the components that would have been used for
a real compile. So the driver executes the preprocessor and the ivl
core to have them print version information.
The ivl core program also tries to load the target code generator
and get version information to print. For this to work, create a new
optional entry point "target_query" that takes a query key string as
an argument and returns a const string as the result. Use this with
the key "version" to get version information out of the target.
Nothing to do with tab width! Eliminates useless
trailing spaces and tabs, and nearly all <space><tab>
pairings. No change to derived files (e.g., .vvp),
non-master files (e.g., lxt2_write.c) or the new tgt-vhdl
directory.
Low priority, simple entropy reduction. Please apply
unless it deletes some steganographic content you want
to keep.
The verilog preprocessing language is sufficiently simple
that the parser may be implemented by hand on top of the
lexical analyzer.
In fact, ivlpp was already implemented in this way; relevant
[bison] parser files specified no grammar, and the parser
entry-point (yyparse) was simply an indirect use of the lexical
analyzer (yylex).
Therefore, parse.y has been removed, invocations of yyparse()
have been replaced by yylex(), references to bison generated
files have been removed, and Makefile.in has been updated
accordingly.
Signed-off-by: Michael Witten <mfwitten@mit.edu>
Core preprocessor support for writing out and reading precompiled
defines. The preprocessor can read initial precompiled defines from
any number of specified source files, and can write all the defines
into a specified output file.
This patch modifies the preprocessor to handle text macros with
arguments. It also fixes a bug that prevented a `line directive
being issued after a multi-line text macro had been instantiated.
Cary R
Martin Whitaker
Andrew Andrianov
Arun Persaud
Stephen Williams
Larry Doolittle
Michael Witten
Martin Whitaker
steve