hibana 0.5.3

Const-projected Affine Multiparty Session Types for choreography-first Rust protocols
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164

use crate::{
    control::cluster::effects::EffectEnvelopeRef,
    endpoint::kernel::EndpointArenaLayout,
    global::const_dsl::{PolicyMode, ScopeId},
};

use super::{
    program::{CompiledProgramFacts, ControlSemanticsTable, DynamicPolicySite},
    role::CompiledRoleImage,
};
use crate::global::compiled::lowering::ProgramStamp;

/// Sealed runtime owner for immutable program-wide compiled facts.
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub(crate) struct CompiledProgramRef {
    stamp: ProgramStamp,
    compiled: *const CompiledProgramFacts,
}

impl CompiledProgramRef {
    #[inline(always)]
    pub(crate) unsafe fn from_raw(
        stamp: ProgramStamp,
        compiled: *const CompiledProgramFacts,
    ) -> Self {
        debug_assert!(!compiled.is_null());
        Self { stamp, compiled }
    }

    #[inline(always)]
    pub(crate) const fn stamp(&self) -> ProgramStamp {
        self.stamp
    }

    #[inline(always)]
    fn compiled(&self) -> &CompiledProgramFacts {
        debug_assert!(!self.compiled.is_null());
        unsafe { &*self.compiled }
    }

    #[inline(always)]
    pub(crate) fn effect_envelope(&self) -> EffectEnvelopeRef<'_> {
        self.compiled().effect_envelope()
    }

    #[inline(always)]
    pub(crate) fn role_count(&self) -> usize {
        self.compiled().role_count()
    }

    #[inline(always)]
    pub(crate) fn dynamic_policy_sites_for(
        &self,
        policy_id: u16,
    ) -> impl Iterator<Item = &DynamicPolicySite> + '_ {
        self.compiled().dynamic_policy_sites_for(policy_id)
    }

    #[inline(always)]
    pub(crate) fn control_semantics(&self) -> &ControlSemanticsTable {
        self.compiled().control_semantics()
    }

    #[inline(always)]
    pub(crate) fn route_controller_role(&self, scope_id: ScopeId) -> Option<u8> {
        self.compiled().route_controller_role(scope_id)
    }

    #[inline(always)]
    pub(crate) fn route_controller(
        &self,
        scope_id: ScopeId,
    ) -> Option<(
        PolicyMode,
        crate::eff::EffIndex,
        u8,
        crate::control::cap::mint::ControlOp,
    )> {
        self.compiled().route_controller(scope_id)
    }
}

/// Sealed runtime owner for role-local immutable compiled facts within a compiled program ref.
#[derive(Clone, Copy)]
pub(crate) struct RoleImageSlice<const ROLE: u8> {
    program: CompiledProgramRef,
    compiled: *const CompiledRoleImage,
}

impl<const ROLE: u8> RoleImageSlice<ROLE> {
    #[inline(always)]
    pub(crate) unsafe fn from_raw(
        program: CompiledProgramRef,
        compiled: *const CompiledRoleImage,
    ) -> Self {
        debug_assert!(!compiled.is_null());
        Self { program, compiled }
    }

    #[inline(always)]
    pub(crate) const fn program(&self) -> CompiledProgramRef {
        self.program
    }

    #[inline(always)]
    pub(crate) const fn compiled_ptr(&self) -> *const CompiledRoleImage {
        self.compiled
    }

    #[inline(always)]
    fn compiled(&self) -> &CompiledRoleImage {
        debug_assert!(!self.compiled.is_null());
        unsafe { &*self.compiled }
    }

    #[inline(always)]
    pub(crate) fn has_active_lane(&self, lane_idx: usize) -> bool {
        self.compiled().has_active_lane(lane_idx)
    }

    #[inline(always)]
    pub(crate) fn first_active_lane(&self) -> Option<usize> {
        self.compiled().first_active_lane()
    }

    #[inline(always)]
    pub(crate) fn endpoint_lane_slot_count(&self) -> usize {
        self.compiled().endpoint_lane_slot_count()
    }

    #[inline(always)]
    pub(crate) fn logical_lane_count(&self) -> usize {
        self.compiled().logical_lane_count()
    }

    #[inline(always)]
    pub(crate) fn route_table_frame_slots(&self) -> usize {
        self.compiled().route_table_frame_slots()
    }

    #[inline(always)]
    pub(crate) fn route_table_lane_slots(&self) -> usize {
        self.compiled().route_table_lane_slots()
    }

    #[inline(always)]
    pub(crate) fn loop_table_slots(&self) -> usize {
        self.compiled().loop_table_slots()
    }

    #[inline(always)]
    pub(crate) fn resident_cap_entries(&self) -> usize {
        self.compiled().resident_cap_entries()
    }

    #[inline(always)]
    pub(crate) fn endpoint_arena_layout_for_binding(
        &self,
        binding_enabled: bool,
    ) -> EndpointArenaLayout {
        self.compiled()
            .endpoint_arena_layout_for_binding(binding_enabled)
    }
}