forked from Orchid/orchid
Updated everything and moved to hard tab indentation
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@@ -3,7 +3,9 @@ use std::num::NonZeroU64;
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use orchid_api_derive::{Coding, Hierarchy};
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use orchid_api_traits::Request;
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use crate::{ExprTicket, Expression, ExtHostReq, HostExtNotif, HostExtReq, OrcResult, SysId, TStrv};
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use crate::{
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ExprTicket, Expression, ExtHostReq, HostExtNotif, HostExtReq, OrcResult, SysId, TStrv,
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};
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pub type AtomData = Vec<u8>;
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@@ -15,34 +17,34 @@ pub struct AtomId(pub NonZeroU64);
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/// This has the same semantics as [Atom] except in that the owner is implied.
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#[derive(Clone, Debug, Hash, PartialEq, Eq, Coding)]
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pub struct LocalAtom {
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pub drop: Option<AtomId>,
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pub data: AtomData,
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pub drop: Option<AtomId>,
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pub data: AtomData,
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}
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impl LocalAtom {
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pub fn associate(self, owner: SysId) -> Atom { Atom { owner, drop: self.drop, data: self.data } }
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pub fn associate(self, owner: SysId) -> Atom { Atom { owner, drop: self.drop, data: self.data } }
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}
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/// An atom representation that can be serialized and sent around. Atoms
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/// represent the smallest increment of work.
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#[derive(Clone, Debug, Hash, PartialEq, Eq, Coding)]
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pub struct Atom {
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/// Instance ID of the system that created the atom
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pub owner: SysId,
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/// Indicates how the owner should be notified when this atom is dropped.
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/// Construction is always explicit and atoms are never cloned.
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///
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/// Atoms with `drop == None` are also known as trivial, they can be
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/// duplicated and stored with no regard to expression lifetimes. NOTICE
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/// that this only applies to the atom. If it's referenced with an
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/// [ExprTicket], the ticket itself can still expire.
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///
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/// Notice also that the atoms still expire when the system is dropped, and
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/// are not portable across instances of the same system, so this doesn't
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/// imply that the atom is serializable.
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pub drop: Option<AtomId>,
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/// Data stored in the atom. This could be a key into a map, or the raw data
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/// of the atom if it isn't too big.
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pub data: AtomData,
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/// Instance ID of the system that created the atom
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pub owner: SysId,
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/// Indicates how the owner should be notified when this atom is dropped.
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/// Construction is always explicit and atoms are never cloned.
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///
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/// Atoms with `drop == None` are also known as trivial, they can be
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/// duplicated and stored with no regard to expression lifetimes. NOTICE
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/// that this only applies to the atom. If it's referenced with an
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/// [ExprTicket], the ticket itself can still expire.
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///
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/// Notice also that the atoms still expire when the system is dropped, and
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/// are not portable across instances of the same system, so this doesn't
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/// imply that the atom is serializable.
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pub drop: Option<AtomId>,
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/// Data stored in the atom. This could be a key into a map, or the raw data
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/// of the atom if it isn't too big.
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pub data: AtomData,
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}
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/// Attempt to apply an atom as a function to an expression
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@@ -50,7 +52,7 @@ pub struct Atom {
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#[extends(AtomReq, HostExtReq)]
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pub struct CallRef(pub Atom, pub ExprTicket);
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impl Request for CallRef {
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type Response = Expression;
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type Response = Expression;
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}
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/// Attempt to apply an atom as a function, consuming the atom and enabling the
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@@ -60,21 +62,21 @@ impl Request for CallRef {
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#[extends(AtomReq, HostExtReq)]
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pub struct FinalCall(pub Atom, pub ExprTicket);
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impl Request for FinalCall {
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type Response = Expression;
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type Response = Expression;
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}
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#[derive(Clone, Debug, Hash, PartialEq, Eq, Coding, Hierarchy)]
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#[extends(AtomReq, HostExtReq)]
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pub struct SerializeAtom(pub Atom);
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impl Request for SerializeAtom {
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type Response = Option<(Vec<u8>, Vec<ExprTicket>)>;
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type Response = Option<(Vec<u8>, Vec<ExprTicket>)>;
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}
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#[derive(Clone, Debug, Hash, PartialEq, Eq, Coding, Hierarchy)]
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#[extends(HostExtReq)]
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pub struct DeserAtom(pub SysId, pub Vec<u8>, pub Vec<ExprTicket>);
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impl Request for DeserAtom {
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type Response = Atom;
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type Response = Atom;
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}
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/// A request blindly routed to the system that provides an atom.
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@@ -82,26 +84,26 @@ impl Request for DeserAtom {
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#[extends(AtomReq, HostExtReq)]
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pub struct Fwded(pub Atom, pub TStrv, pub Vec<u8>);
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impl Request for Fwded {
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type Response = Option<Vec<u8>>;
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type Response = Option<Vec<u8>>;
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}
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#[derive(Clone, Debug, Hash, PartialEq, Eq, Coding, Hierarchy)]
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#[extends(ExtHostReq)]
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pub struct Fwd(pub Atom, pub TStrv, pub Vec<u8>);
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impl Request for Fwd {
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type Response = Option<Vec<u8>>;
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type Response = Option<Vec<u8>>;
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}
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#[derive(Clone, Debug, Coding)]
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pub enum NextStep {
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Continue(Expression),
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Halt,
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Continue(Expression),
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Halt,
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}
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#[derive(Clone, Debug, Hash, PartialEq, Eq, Coding, Hierarchy)]
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#[extends(AtomReq, HostExtReq)]
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pub struct Command(pub Atom);
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impl Request for Command {
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type Response = OrcResult<NextStep>;
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type Response = OrcResult<NextStep>;
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}
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/// Notification that an atom is being dropped because its associated expression
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@@ -115,7 +117,7 @@ pub struct AtomDrop(pub SysId, pub AtomId);
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#[extends(AtomReq, HostExtReq)]
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pub struct AtomPrint(pub Atom);
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impl Request for AtomPrint {
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type Response = String;
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type Response = String;
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}
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/// Requests that apply to an existing atom instance
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@@ -123,24 +125,24 @@ impl Request for AtomPrint {
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#[extends(HostExtReq)]
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#[extendable]
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pub enum AtomReq {
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CallRef(CallRef),
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FinalCall(FinalCall),
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Fwded(Fwded),
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Command(Command),
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AtomPrint(AtomPrint),
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SerializeAtom(SerializeAtom),
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CallRef(CallRef),
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FinalCall(FinalCall),
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Fwded(Fwded),
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Command(Command),
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AtomPrint(AtomPrint),
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SerializeAtom(SerializeAtom),
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}
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impl AtomReq {
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/// Obtain the first [Atom] argument of the request. All requests in this
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/// subclass have at least one atom argument.
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pub fn get_atom(&self) -> &Atom {
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match self {
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Self::CallRef(CallRef(a, ..))
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| Self::Command(Command(a))
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| Self::FinalCall(FinalCall(a, ..))
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| Self::Fwded(Fwded(a, ..))
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| Self::AtomPrint(AtomPrint(a))
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| Self::SerializeAtom(SerializeAtom(a)) => a,
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}
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}
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/// Obtain the first [Atom] argument of the request. All requests in this
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/// subclass have at least one atom argument.
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pub fn get_atom(&self) -> &Atom {
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match self {
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Self::CallRef(CallRef(a, ..))
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| Self::Command(Command(a))
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| Self::FinalCall(FinalCall(a, ..))
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| Self::Fwded(Fwded(a, ..))
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| Self::AtomPrint(AtomPrint(a))
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| Self::SerializeAtom(SerializeAtom(a)) => a,
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}
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}
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}
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