rishi/scryer-prolog
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remove some uncessary allocations/copies

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This commit is contained in:
Skgland
2025-11-18 21:59:55 +01:00
committed by Bennet Bleßmann
parent 6b5ec3fab8
commit a283c8bdc2
4 changed files with 8 additions and 16 deletions
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4
src/machine/args.rs
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@@ -1,4 +1,3 @@
use std::collections::BTreeSet;
use std::env;
#[derive(Debug)]
@@ -8,9 +7,8 @@ pub struct MachineArgs {
impl MachineArgs {
pub fn new() -> Self {
let args: BTreeSet<String> = env::args().collect();
Self {
add_history: !args.contains("--no-add-history"),
add_history: env::args().all(|arg| arg != "--no-add-history"),
}
}
}

6
src/machine/lib_machine/mod.rs
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@@ -224,14 +224,14 @@ impl Term {
let list = match tail {
Term::Atom(atom) if atom == "[]" => match head {
Term::Atom(ref a) if a.chars().collect::<Vec<_>>().len() == 1 => {
Term::Atom(ref a) if a.chars().count() == 1 => {
// Handle lists of char as strings
Term::String(a.to_string())
}
_ => Term::List(vec![head]),
},
Term::List(elems) if elems.is_empty() => match head {
Term::Atom(ref a) if a.chars().collect::<Vec<_>>().len() == 1 => {
Term::Atom(ref a) if a.chars().count() == 1 => {
// Handle lists of char as strings
Term::String(a.to_string())
},
@@ -242,7 +242,7 @@ impl Term {
Term::List(elems)
},
Term::String(mut elems) => match head {
Term::Atom(ref a) if a.chars().collect::<Vec<_>>().len() == 1 => {
Term::Atom(ref a) if a.chars().count() == 1 => {
// Handle lists of char as strings
elems.insert(0, a.chars().next().unwrap());
Term::String(elems)

4
src/machine/loader.rs
View File

@@ -1842,9 +1842,7 @@ impl Machine {
let err = self.machine_st.permission_error(
Permission::Modify,
atom!("static_procedure"),
functor_stub(atom!(":"), 2)
.into_iter()
.collect::<MachineStub>(),
functor_stub(atom!(":"), 2),
);
self.machine_st