This is the command ml-nlffigen that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
ml-nlffigen - SML No Longer Foreign Function Interface tool
ml-nlffigen [option] -- file
This manual page documents briefly the ml-nlffigen command. This manual page was written
for the Debian distribution because the original program does not have a manual page.
ml-nlffigen, a glue-code generator for the new NLFFI foreign function interface. The
generator reads C source code and emits ML code along with a description file for CM.
A summary of options is included below.
Output directory where all generated files are placed. default: NLFFI-Generated.
Instructs ml-nlffigen to include all structs and unions, even those that are defined
in included files (as opposed to files explicitly listed as arguments). default: off.
Sets output line width (just a guess) to w. default: 75.
Instructs ml-nlffigen to include x into the list of options to annotate .sml entries
in the generated .cm file with. default: noguid.
Removes the default -noguid from the list of sml options. (This re-enables strict
handling of type- and object-identity but can have negative impact on CM cutoff
recompilation performance if the programmer routinely removes the entire tree of ml-
nlffigen-generated files during development.)
Instructs ml-nlffigen to generate "lambdasplit" options for all ML files (see CM
manual for what this means; it does not currently work anyway because cross-module
inlining is broken). default: nothing.
Sets the target to t (which must be one of "sparc-unix","x86-unix", or "x86-win32").
default: current architecture.
-l Suppress "heavy" versions of function wrappers and field accessors; also resets any
earlier -heavy to default. default: not suppressed.
-h suppress "light" versions of function wrappers and field accessors; also resets any
earlier -light to default. default: not suppressed
-na Instruct ml-nlffigen to generated function wrappers that use named arguments (ML
records) instead of tuples if there is enough information for this in the C source;
(this is not always very useful). default: off.
Do not do the following: Collect enum constants from truly unnamed enumerations (those
without tags that occur at toplevel or in an unnamed context, i.e., not in a typedef
or another named struct or union) into a single artificial enumeration tagged by '
(single apostrohe). The corresponding ML-side representative will be a structure
-ec When possible (i.e., if all values of a given enumeration are different from each
other), make the ML representation type of the enumeration a datatype. The default
(and fallback) is to make that type the same as MLRep.Signed.int.
Use the variable h to refer to the handle to the shared library object. Given the
constraints of CM, h must have the form of a long ML identifier, e.g.,
Mention file f in the generated .cm file. This option is necessary at least once for
providing the library handle. It can be used arbitrarily many times, resulting in
more than one such programmer-supplied file to be mentioned. If f is relative, then
it must be relative to the directory specified in the -dir dir option.
Specify name of the generated .cm file, relative to the directory specified by the
-dir dir option. default: nlffi-generated.cm.
The string o gets added to the list of options to be passed to cpp (the C
preprocessor). The list of options gets substituted for %o in the cpp command line
The string -Ux gets added to the list of cpp options.
The string -Dx gets added to the list of cpp options.
The string -Ix gets added to the list of cpp options.
Just write the version number of ml-nlffigen to standard output and then quit.
Normally ml-nlffigen will include ML definitions for a C declaration if the C
declaration textually appears in one of the files specified at the command line.
Definitions in #include-d files will normally not appear (unless their absence would
lead to inconsistencies). By specifying -matchr , ml-nlffigen will also include
definitions that occur in recursively #include-d files for which the awk-style regular
expression r matches their names.
Generated ML structure names will all have prefix p (in addition to the usual "S_" or
"U_" or "F_" ...)
Names "gensym-ed" by ml-nlffigen (for anonymous struct/union/ enums) will get an
additional suffix _g. (This should be used if output from several indepdendent runs
of ml-nlffigen are to coexist in the same ML program.)
-- Terminate processing of options, remaining arguments are taken to be C sources.
Use ml-nlffigen online using onworks.net services