Find the executable and commandline arguments for running Tool. This
provides a hook for process_create/3 called as
process_create(prolog(Tool), ...). Tool is currently one of:
- [115, 101, 108, 102]
- Run Prolog itself.
- [115, 119, 105, 112, 108]
- Run the commandline version, also when called from the
swipl-win app.
- [115, 119, 105, 112, 108, 45, 119, 105, 110]
- Run the
swipl-win app, also when called from the
commandline version.
- [115, 119, 105, 112, 108, 45, 108, 100]
- Run the C/C++ compiler frontend to embed Prolog or build
foreign extensions.
prolog:prolog_tool/4 is defined as multifile and dynamic and can be
used for special cases. This hook is notably intended to provide a
portable way of calling Prolog when Prolog is embedded.
For example, when using
rolog,
we can run Prolog using
R -s -e 'rswipl::swipl()', '—args' <Prolog Argv>
We can make process_create(prolog(swipl), ...) work using
:- multifile prolog:prolog_tool/4.
prolog:prolog_tool(swipl, path('R'), Argv,
[ '-s', '-e', 'rswipl::swipl()', '--args'
| Argv
]).
