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lollipop operator, fixed but in grammar-lalrpop for environment parsing

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This commit is contained in:
elvis
2025-06-19 23:48:16 +02:00
parent bbff61f71a
commit 732683fd24
7 changed files with 343 additions and 169 deletions
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47
src/main.rs
View File

@ -1,7 +1,8 @@
#![allow(unused_imports)]
mod rsprocess;
use lalrpop_util::lalrpop_mod;
use std::rc::Rc;
use rsprocess::translator::WithTranslator;
// use std::rc::Rc;
// use std::io;
fn main() -> Result<(), Box<dyn std::error::Error>> {
@ -144,12 +145,44 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
// println!("{:?}", rsprocess::transitions::run_separated(&sys));
// -------------------------------------------------------------------------
// list_to_assoc([x-pre([a, b], rec(x)), y-pre([d, e], rec(y))], Ass),
// lollipop(sys(Ass, [a, b, c, d], [], [react([a], [c], [a]), react([d], [f], [d])]), Prefix, Loop).
let tmp = rsprocess::structure::RSreaction::from(
rsprocess::structure::RSset::from(vec![translator.encode("a"), translator.encode("c")]),
rsprocess::structure::RSset::from(vec![translator.encode("c")]),
rsprocess::structure::RSset::from(vec![translator.encode("a")])
);
println!("{}", WithTranslator::from_RSreaction(&translator, &tmp));
let env = grammar::EnvironmentParser::new().parse(&mut translator, "[x = {a,b}.x]").unwrap();
let process = grammar::ContextParser::new().parse(&mut translator, "[]").unwrap();
let sys = rsprocess::structure::RSsystem::from(Rc::new(*env),
rsprocess::structure::RSset::from(vec![translator.encode("a"),
translator.encode("b"),
translator.encode("c"),
translator.encode("d")]),
*process,
Rc::new(vec![
rsprocess::structure::RSreaction::from(
rsprocess::structure::RSset::from(vec![translator.encode("a")]),
rsprocess::structure::RSset::from(vec![translator.encode("c")]),
rsprocess::structure::RSset::from(vec![translator.encode("a")])
),
rsprocess::structure::RSreaction::from(
rsprocess::structure::RSset::from(vec![translator.encode("d")]),
rsprocess::structure::RSset::from(vec![translator.encode("f")]),
rsprocess::structure::RSset::from(vec![translator.encode("d")])
)
]));
let res = rsprocess::perpetual::lollipops(sys);
println!("res:");
for (prefix, hoop) in res {
print!("prefix: ");
for p in prefix {
print!("{}, ", WithTranslator::from_RSset(&translator, &p));
}
print!("\nhoop: ");
for l in hoop {
print!("{}, ", WithTranslator::from_RSset(&translator, &l));
}
println!();
}
Ok(())
}

27
src/rsprocess/classical.rs
View File

@ -10,7 +10,11 @@ use super::structure::{RSset, RSreaction};
/// Computes the result of a single reaction (if enabled returns the products)
/// otherwise returns None.
pub fn compute_step<'a>(current_state: &'a RSset, reaction: &'a RSreaction) -> Option<&'a RSset> {
// see result
pub fn compute_step<'a>(
current_state: &'a RSset,
reaction: &'a RSreaction
) -> Option<&'a RSset> {
if reaction.enabled(current_state) {
Some(reaction.products())
} else {
@ -20,6 +24,23 @@ pub fn compute_step<'a>(current_state: &'a RSset, reaction: &'a RSreaction) -> O
/// Computes the result of a series of reactions. Returns the union of all
/// products.
pub fn compute_all<'a>(current_state: &'a RSset, reactions: Vec<&'a RSreaction>) -> RSset {
reactions.iter().fold(RSset::new(), |acc, r| acc.union_option(compute_step(current_state, r)))
// see result
pub fn compute_all<'a>(
current_state: &'a RSset,
reactions: Vec<&'a RSreaction>
) -> RSset {
reactions.iter().fold(
RSset::new(),
|acc, r| acc.union_option(compute_step(current_state, r))
)
}
pub fn compute_all_owned<'a>(
current_state: &'a RSset,
reactions: &'a [RSreaction]
) -> RSset {
reactions.iter().fold(
RSset::new(),
|acc, r| acc.union_option(compute_step(current_state, r))
)
}

1
src/rsprocess/grammar.lalrpop
View File

@ -74,6 +74,7 @@ CTX_process: RSprocess = {
// ----- EnvironmentParser -----
pub Environment: Box<RSenvironment> = {
"[" "]" => Box::new(RSenvironment::new()),
"[" <t:Env_term> "]" => Box::new(RSenvironment::from(vec![t])),
"[" <t: Separeted<Env_term, ",">> "]" => Box::new(RSenvironment::from(t))
};

55
src/rsprocess/perpetual.rs
View File

@ -0,0 +1,55 @@
#![allow(dead_code)]
use std::rc::Rc;
use super::classical::compute_all_owned;
use super::translator::IdType;
use super::structure::{RSsystem, RSprocess, RSset, RSreaction};
fn split<'a>(set: &'a RSset, trace: &'a [RSset]) -> Option<(&'a[RSset], &'a[RSset])> {
let position = trace.iter().rposition(|x| x == set);
position.map(|pos| trace.split_at(pos))
}
fn find_loop(rs: &Rc<Vec<RSreaction>>, e: RSset, q: &RSset) -> (Vec<RSset>, Vec<RSset>) {
let mut e = e;
let mut trace = vec![];
loop {
if let Some((prefix, hoop)) = split(&e, &trace) {
return (prefix.to_vec(), hoop.to_vec());
} else {
let t = e.union(q);
let p = compute_all_owned(&t, rs);
trace.push(e.clone());
e = p;
}
}
}
// see lollipop
pub fn lollipops(system: RSsystem) -> Vec<(Vec<RSset>, Vec<RSset>)> {
fn filter_delta<'a>(x: (&IdType, &'a RSprocess)) -> Option<&'a RSset> {
use super::structure::RSprocess::*;
let (id, rest) = x;
match rest {
EntitySet{ entities, next_process} => {
match &**next_process {
RecursiveIdentifier{ identifier } if identifier == id => {
Some(entities)
},
_ => None
}
},
_ => None
}
}
// FIXME: what? i think we are only interested in "x", not all symbols that
// satisfy X = pre(Q, rec(X))
let filtered = system.get_delta().iter().filter_map(filter_delta);
filtered.map(|q| find_loop(system.get_reaction_rules(),
system.get_available_entities().clone(),
q)
).collect::<Vec<_>>()
}

3
src/rsprocess/structure.rs
View File

@ -7,7 +7,7 @@ use super::translator::{IdType};
// -----------------------------------------------------------------------------
// RSset
// -----------------------------------------------------------------------------
#[derive(Clone, Debug)]
#[derive(Clone, Debug, PartialEq, Eq)]
pub struct RSset {
identifiers: HashSet<IdType>
}
@ -103,6 +103,7 @@ impl RSreaction {
products }
}
// see enable
pub fn enabled(&self, current_state: &RSset) -> bool {
self.reactants.is_subset(current_state)
&& self.inihibitors.is_disjoint(current_state)

9
src/rsprocess/transitions.rs
View File

@ -1,9 +1,12 @@
#![allow(dead_code)]
use super::structure::{RSchoices, RSenvironment, RSlabel, RSprocess, RSset, RSsystem};
use super::structure::{
RSchoices, RSenvironment, RSlabel, RSprocess, RSset, RSsystem
};
use super::support_structures::TransitionsIterator;
use std::rc::Rc;
// see unfold
pub fn unfold(
environment: &RSenvironment,
context_process: &RSprocess,
@ -128,7 +131,9 @@ pub fn run(system: RSsystem) -> Result<Vec<Rc<RSsystem>>, String> {
}
// see smartOneRunECT, smartRunECT
pub fn run_separated(system: &RSsystem) -> Result<Vec<(RSset, RSset, RSset)>, String> {
pub fn run_separated(
system: &RSsystem
) -> Result<Vec<(RSset, RSset, RSset)>, String> {
let mut res = vec![];
let current = one_transition(system)?;
if current.is_none() {

370
src/rsprocess/translator.rs
View File

@ -14,7 +14,7 @@ impl Translator {
pub fn new() -> Self {
Translator {
strings: HashMap::new(),
reverse: HashMap::new(),
reverse: HashMap::new(),
last_id: 0,
}
}
@ -22,27 +22,28 @@ impl Translator {
impl Translator {
pub fn encode(&mut self, s: impl Into<String>) -> IdType {
let s = s.into();
let id = *(self.strings.entry(s.clone()).or_insert({
let s = s.into();
let id = *(self.strings.entry(s.clone()).or_insert({
self.last_id += 1;
self.last_id
}));
self.reverse.insert(id, s.clone());
id
self.reverse.insert(id, s.clone());
id
}
pub fn decode(&self, el: IdType) -> String {
// TODO maybe find more efficient method??
self.reverse.get(&el)
.map(|x| x.to_string())
.unwrap_or(String::from("Not Found"))
// TODO maybe find more efficient method??
self.reverse
.get(&el)
.map(|x| x.to_string())
.unwrap_or(String::from("Not Found"))
}
}
// -----------------------------------------------------------------------------
use super::structure::{
RSassert, RSassertOp, RSchoices, RSenvironment, RSlabel, RSprocess, RSreaction, RSset,
RSsystem, RSBHML,
RSassert, RSassertOp, RSchoices, RSenvironment, RSlabel, RSprocess,
RSreaction, RSset, RSsystem, RSBHML,
};
use std::fmt;
@ -94,9 +95,12 @@ pub enum WithTranslator<'a> {
macro_rules! from_RS {
($name:ident, $type:ty, $dataname:ident, $type2: ident) => {
pub fn $name(translator: &'a Translator, $dataname: &'a $type) -> Self {
WithTranslator::$type2 { translator, $dataname }
}
pub fn $name(translator: &'a Translator, $dataname: &'a $type) -> Self {
WithTranslator::$type2 {
translator,
$dataname,
}
}
};
}
@ -124,148 +128,193 @@ impl<'a> WithTranslator<'a> {
from_RS!(from_RSBHML, RSBHML, bhml, RSBHML);
}
// -----------------------------------------------------------------------------
// Printing functions
// -----------------------------------------------------------------------------
fn print_set(f: &mut fmt::Formatter, translator: &Translator, set: &RSset) -> fmt::Result {
fn print_set(
f: &mut fmt::Formatter,
translator: &Translator,
set: &RSset
) -> fmt::Result {
write!(f, "{{")?;
let mut it = set.hashset().iter().peekable();
while let Some(el) = it.next() {
if it.peek().is_none() {
write!(f, "{}", translator.decode(*el))?;
} else {
write!(f, "{}, ", translator.decode(*el))?;
}
if it.peek().is_none() {
write!(f, "{}", translator.decode(*el))?;
} else {
write!(f, "{}, ", translator.decode(*el))?;
}
}
write!(f, "}}")
}
fn print_reaction(f: &mut fmt::Formatter, translator: &Translator, reaction: &RSreaction) -> fmt::Result {
write!(f, "(r: {}, i: {}, p: {})",
WithTranslator::from_RSset(translator, reaction.reactants()),
WithTranslator::from_RSset(translator, reaction.inihibitors()),
WithTranslator::from_RSset(translator, reaction.products()))
fn print_reaction(
f: &mut fmt::Formatter,
translator: &Translator,
reaction: &RSreaction,
) -> fmt::Result {
write!(
f,
"(r: {}, i: {}, p: {})",
WithTranslator::from_RSset(translator, reaction.reactants()),
WithTranslator::from_RSset(translator, reaction.inihibitors()),
WithTranslator::from_RSset(translator, reaction.products())
)
}
fn print_process(f: &mut fmt::Formatter, translator: &Translator, process: &RSprocess) -> fmt::Result {
fn print_process(
f: &mut fmt::Formatter,
translator: &Translator,
process: &RSprocess,
) -> fmt::Result {
use super::structure::RSprocess::*;
match process {
Nill => {
write!(f, "[Nill]")
},
RecursiveIdentifier{ identifier } => {
write!(f, "[{}]", translator.decode(*identifier))
},
EntitySet{ entities,
next_process } => {
write!(f, "[entities: {}, next_process: {}]",
WithTranslator::from_RSset(translator, entities),
WithTranslator::from_RSprocess(translator, next_process)
)
},
WaitEntity{ repeat,
repeated_process,
next_process } => {
write!(f, "[repeat: {repeat}, repeated_process: {}, next_process: {}]",
WithTranslator::from_RSprocess(translator, repeated_process),
WithTranslator::from_RSprocess(translator, next_process)
)
},
Summation{ children } => {
write!(f, "[")?;
let mut it = children.iter().peekable();
while let Some(child) = it.next() {
if it.peek().is_none() {
write!(f, "{}",
WithTranslator::from_RSprocess(translator, child)
)?;
} else {
write!(f, "{} + ",
WithTranslator::from_RSprocess(translator, child)
)?;
}
}
write!(f, "]")
},
NondeterministicChoice{ children } => {
write!(f, "[")?;
let mut it = children.iter().peekable();
while let Some(child) = it.next() {
if it.peek().is_none() {
write!(f, "{}",
WithTranslator::from_RSprocess(translator, child)
)?;
} else {
write!(f, "{}, ",
WithTranslator::from_RSprocess(translator, child)
)?;
}
}
write!(f, "]")
}
Nill => {
write!(f, "[Nill]")
}
RecursiveIdentifier { identifier } => {
write!(f, "[{}]", translator.decode(*identifier))
}
EntitySet {
entities,
next_process,
} => {
write!(
f,
"[entities: {}, next_process: {}]",
WithTranslator::from_RSset(translator, entities),
WithTranslator::from_RSprocess(translator, next_process)
)
}
WaitEntity {
repeat,
repeated_process,
next_process,
} => {
write!(
f,
"[repeat: {repeat}, repeated_process: {}, next_process: {}]",
WithTranslator::from_RSprocess(translator, repeated_process),
WithTranslator::from_RSprocess(translator, next_process)
)
}
Summation { children } => {
write!(f, "[")?;
let mut it = children.iter().peekable();
while let Some(child) = it.next() {
if it.peek().is_none() {
write!(f, "{}",
WithTranslator::from_RSprocess(translator, child))?;
} else {
write!(
f,
"{} + ",
WithTranslator::from_RSprocess(translator, child)
)?;
}
}
write!(f, "]")
}
NondeterministicChoice { children } => {
write!(f, "[")?;
let mut it = children.iter().peekable();
while let Some(child) = it.next() {
if it.peek().is_none() {
write!(f, "{}",
WithTranslator::from_RSprocess(translator, child))?;
} else {
write!(f, "{}, ",
WithTranslator::from_RSprocess(translator, child))?;
}
}
write!(f, "]")
}
}
}
fn print_choices(f: &mut fmt::Formatter, translator: &Translator, choices: &RSchoices) -> fmt::Result {
fn print_choices(
f: &mut fmt::Formatter,
translator: &Translator,
choices: &RSchoices,
) -> fmt::Result {
write!(f, "[")?;
let mut it = choices.iter().peekable();
while let Some(el) = it.next() {
if it.peek().is_none() {
write!(f, "[set: {}, process: {}]",
WithTranslator::from_RSset(translator, &el.0),
WithTranslator::from_RSprocess(translator, &el.1))?;
} else {
write!(f, "[set: {}, process: {}], ",
WithTranslator::from_RSset(translator, &el.0),
WithTranslator::from_RSprocess(translator, &el.1))?;
}
if it.peek().is_none() {
write!(
f,
"[set: {}, process: {}]",
WithTranslator::from_RSset(translator, &el.0),
WithTranslator::from_RSprocess(translator, &el.1)
)?;
} else {
write!(
f,
"[set: {}, process: {}], ",
WithTranslator::from_RSset(translator, &el.0),
WithTranslator::from_RSprocess(translator, &el.1)
)?;
}
}
write!(f, "]")
}
fn print_environment(f: &mut fmt::Formatter, translator: &Translator, environment: &RSenvironment) -> fmt::Result {
fn print_environment(
f: &mut fmt::Formatter,
translator: &Translator,
environment: &RSenvironment,
) -> fmt::Result {
write!(f, "{{env:")?;
let mut it = environment.iter().peekable();
while let Some(el) = it.next() {
if it.peek().is_none() {
write!(f, "({} -> {})",
translator.decode(*el.0),
WithTranslator::from_RSprocess(translator, el.1)
)?;
} else {
write!(f, "({} -> {}), ",
translator.decode(*el.0),
WithTranslator::from_RSprocess(translator, el.1)
)?;
}
if it.peek().is_none() {
write!(
f,
"({} -> {})",
translator.decode(*el.0),
WithTranslator::from_RSprocess(translator, el.1)
)?;
} else {
write!(
f,
"({} -> {}), ",
translator.decode(*el.0),
WithTranslator::from_RSprocess(translator, el.1)
)?;
}
}
write!(f, "}}")
}
fn print_system(f: &mut fmt::Formatter, translator: &Translator, system: &RSsystem) -> fmt::Result {
write!(f, "[delta: {}, available_entities: {}, context_process: {}, reaction_rules: [",
WithTranslator::from_RSenvironment(translator, system.get_delta()),
WithTranslator::from_RSset(translator, system.get_available_entities()),
WithTranslator::from_RSprocess(translator, system.get_context_process())
fn print_system(
f: &mut fmt::Formatter,
translator: &Translator,
system: &RSsystem
) -> fmt::Result {
write!(
f,
"[delta: {}, available_entities: {}, context_process: {}, reaction_rules: [",
WithTranslator::from_RSenvironment(translator, system.get_delta()),
WithTranslator::from_RSset(translator, system.get_available_entities()),
WithTranslator::from_RSprocess(translator, system.get_context_process())
)?;
let mut it = system.get_reaction_rules().iter().peekable();
while let Some(el) = it.next() {
if it.peek().is_none() {
write!(f, "{}",
WithTranslator::from_RSreaction(translator, el)
)?;
} else {
write!(f, "{}, ",
WithTranslator::from_RSreaction(translator, el)
)?;
}
if it.peek().is_none() {
write!(f, "{}", WithTranslator::from_RSreaction(translator, el))?;
} else {
write!(f, "{}, ", WithTranslator::from_RSreaction(translator, el))?;
}
}
write!(f, "] ]")
}
fn print_label(f: &mut fmt::Formatter, translator: &Translator, label: &RSlabel) -> fmt::Result {
fn print_label(
f: &mut fmt::Formatter,
translator: &Translator,
label: &RSlabel
) -> fmt::Result {
write!(f, "{{available_entities: {}, context: {}, t: {}, reactants: {}, reactantsi: {}, inihibitors: {}, ireactants: {}, products: {}}}",
WithTranslator::from_RSset(translator, &label.available_entities),
WithTranslator::from_RSset(translator, &label.context),
@ -278,60 +327,69 @@ fn print_label(f: &mut fmt::Formatter, translator: &Translator, label: &RSlabel)
)
}
fn print_assert_op(f: &mut fmt::Formatter, _translator: &Translator, assert_op: &RSassertOp) -> fmt::Result {
fn print_assert_op(
f: &mut fmt::Formatter,
_translator: &Translator,
assert_op: &RSassertOp,
) -> fmt::Result {
use super::structure::RSassertOp::*;
match assert_op {
InW => {write!(f, "InW")},
InR => {write!(f, "InR")},
InI => {write!(f, "InI")},
InP => {write!(f, "InP")},
InW => {
write!(f, "InW")
}
InR => {
write!(f, "InR")
}
InI => {
write!(f, "InI")
}
InP => {
write!(f, "InP")
}
}
}
#[allow(unused_variables)]
fn print_assert(f: &mut fmt::Formatter, translator: &Translator, assert: &RSassert) -> fmt::Result {
fn print_assert(
f: &mut fmt::Formatter,
translator: &Translator,
assert: &RSassert
) -> fmt::Result {
todo!()
}
#[allow(unused_variables)]
fn print_bhml(f: &mut fmt::Formatter, translator: &Translator, bhml: &RSBHML) -> fmt::Result {
fn print_bhml(
f: &mut fmt::Formatter,
translator: &Translator,
bhml: &RSBHML
) -> fmt::Result {
todo!()
}
impl<'a> fmt::Display for WithTranslator<'a> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self {
WithTranslator::RSset{translator, set} => {
print_set(f, translator, set)
},
WithTranslator::RSreaction { translator, reaction } => {
print_reaction(f, translator, reaction)
},
WithTranslator::RSprocess { translator, process } => {
print_process(f, translator, process)
},
WithTranslator::RSchoices { translator, choices } => {
print_choices(f, translator, choices)
},
WithTranslator::RSenvironment { translator, environment } => {
print_environment(f, translator, environment)
},
WithTranslator::RSsystem { translator, system } => {
print_system(f, translator, system)
},
WithTranslator::RSlabel { translator, label } => {
print_label(f, translator, label)
},
WithTranslator::RSassertOp { translator, assert_op } => {
print_assert_op(f, translator, assert_op)
},
WithTranslator::RSassert { translator, assert } => {
print_assert(f, translator, assert)
},
WithTranslator::RSBHML { translator, bhml } => {
print_bhml(f, translator, bhml)
}
}
WithTranslator::RSset { translator, set, } =>
print_set(f, translator, set),
WithTranslator::RSreaction { translator, reaction, } =>
print_reaction(f, translator, reaction),
WithTranslator::RSprocess { translator, process, } =>
print_process(f, translator, process),
WithTranslator::RSchoices { translator, choices, } =>
print_choices(f, translator, choices),
WithTranslator::RSenvironment { translator, environment, } =>
print_environment(f, translator, environment),
WithTranslator::RSsystem { translator, system, } =>
print_system(f, translator, system),
WithTranslator::RSlabel { translator, label, } =>
print_label(f, translator, label),
WithTranslator::RSassertOp { translator, assert_op, } =>
print_assert_op(f, translator, assert_op),
WithTranslator::RSassert { translator, assert, } =>
print_assert(f, translator, assert),
WithTranslator::RSBHML { translator, bhml, } =>
print_bhml(f, translator, bhml),
}
}
}