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elvis
2025-08-20 13:51:48 +02:00
parent 331635981a
commit d4ade0d921
4 changed files with 53 additions and 42 deletions
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58
src/rsprocess/transitions.rs
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@ -16,44 +16,46 @@ use std::rc::Rc;
pub fn unfold(
environment: &RSenvironment,
context_process: &RSprocess,
current_entities: &RSset,
) -> Result<RSchoices, String> {
match context_process {
RSprocess::Nill => Ok(RSchoices::new()),
RSprocess::Nill => {
Ok(RSchoices::new())
},
RSprocess::RecursiveIdentifier { identifier } => {
let newprocess = environment.get(*identifier);
if let Some(newprocess) = newprocess {
unfold(environment, newprocess)
unfold(environment, newprocess, current_entities)
} else {
Err(format!("Missing symbol in context: {identifier}"))
}
}
RSprocess::EntitySet {
entities,
next_process,
} => Ok(RSchoices::from(vec![(
Rc::new(entities.clone()),
Rc::clone(next_process),
)])),
RSprocess::WaitEntity {
repeat,
repeated_process: _,
next_process,
} if *repeat <= 0 => unfold(environment, next_process),
RSprocess::WaitEntity {
repeat,
repeated_process,
next_process,
} if *repeat == 1 => {
let mut choices1 = unfold(environment, repeated_process)?;
RSprocess::EntitySet { entities, next_process, } => {
Ok(RSchoices::from([(
Rc::new(entities.clone()),
Rc::clone(next_process),
)]))
},
RSprocess::Guarded { reaction, next_process } => {
if reaction.enabled(current_entities) {
Ok(RSchoices::from([(Rc::new(reaction.products.clone()),
Rc::clone(next_process))]))
} else {
Ok(RSchoices::new())
}
}
RSprocess::WaitEntity { repeat, repeated_process: _, next_process, }
if *repeat <= 0 => {
unfold(environment, next_process, current_entities)
},
RSprocess::WaitEntity { repeat, repeated_process, next_process, }
if *repeat == 1 => {
let mut choices1 = unfold(environment, repeated_process, current_entities)?;
choices1.replace(Rc::clone(next_process));
Ok(choices1)
}
RSprocess::WaitEntity {
repeat,
repeated_process,
next_process,
} => {
let mut choices1 = unfold(environment, repeated_process)?;
RSprocess::WaitEntity { repeat, repeated_process, next_process, } => {
let mut choices1 = unfold(environment, repeated_process, current_entities)?;
choices1.replace(Rc::new(RSprocess::WaitEntity {
repeat: (*repeat - 1),
repeated_process: Rc::clone(repeated_process),
@ -64,7 +66,7 @@ pub fn unfold(
RSprocess::Summation { children } => {
// short-circuits with try_fold.
children.iter().try_fold(RSchoices::new(), |mut acc, x| {
match unfold(environment, x) {
match unfold(environment, x, current_entities) {
Ok(mut choices) => {
acc.append(&mut choices);
Ok(acc)
@ -82,7 +84,7 @@ pub fn unfold(
)]))
} else {
children.iter().try_fold(RSchoices::new(), |mut acc, x| {
acc.shuffle(unfold(environment, x)?);
acc.shuffle(unfold(environment, x, current_entities)?);
Ok(acc)
})
}