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Merge pull request #327 from srenatus/sr/pass-argv-as-partial-strings

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use partial strings for passing argv to toplevel.pl
This commit is contained in:
Mark Thom
2020-04-13 11:17:08 -03:00
committed by GitHub
parent 7a135bd87c 155645307a
commit 378e9b5539
2 changed files with 12 additions and 18 deletions
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21
src/prolog/machine/mod.rs
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@@ -340,23 +340,16 @@ impl Machine {
}
pub fn run_top_level(&mut self) {
use std::env;
use std::env;
let mut filename_atoms = vec![];
let mut arg_pstrs = vec![];
for arg in env::args() {
arg_pstrs.push(self.machine_st.heap.put_complete_string(&arg));
}
let list_addr = Addr::HeapCell(self.machine_st.heap.to_list(arg_pstrs.into_iter()));
// the first of these is the path to the scryer-prolog executable, so skip
// it.
for filename in env::args().skip(1) {
let atom = clause_name!(filename, self.indices.atom_tbl);
filename_atoms.push(HeapCellValue::Atom(atom, None));
}
let list_addr =
Addr::HeapCell(self.machine_st.heap.to_list(filename_atoms.into_iter()));
self.machine_st[temp_v!(1)] = list_addr;
self.machine_st[temp_v!(1)] = list_addr;
self.machine_st.p = CodePtr::Local(LocalCodePtr::DirEntry(self.toplevel_idx));
self.run_query();
}

9
src/prolog/toplevel.pl
View File

@@ -3,13 +3,14 @@
:- module('$toplevel', ['$repl'/1, consult/1, use_module/1, use_module/2]).
'$repl'(ListOfModules) :-
maplist('$use_list_of_modules', ListOfModules),
'$repl'([_|Args]) :-
maplist('$use_list_of_modules', Args),
false.
'$repl'(_) :- '$repl'.
'$use_list_of_modules'(Module) :-
catch(use_module(Module), E, '$print_exception'(E)).
'$use_list_of_modules'(Mod0) :-
atom_chars(Mod, Mod0),
catch(use_module(Mod), E, '$print_exception'(E)).
'$repl' :-
catch('$read_and_match', E, '$print_exception'(E)),