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mod catalog;
mod commit;
mod commit_plan;
mod load;
mod overlay;
#[cfg(test)]
mod overlay_tests;
mod query;
#[cfg(test)]
mod query_tests;
mod register;
mod unload;
#[cfg(test)]
mod unload_tests;
use std::collections::{BTreeMap, BTreeSet};
use crate::{
catalog::CatalogStore,
id::{
ClassId, CodecId, FunctionId, LibId, MacroId, NumberDomainId, RuntimeId, ShapeId, SiteId,
Symbol,
},
number_domain::{
NumberBinaryOp, NumberReductionOp, NumberUnaryOp, ValueNumberBinaryOp,
ValueNumberReductionOp, ValueNumberUnaryOp, ValuePromotionRule,
},
value::Value,
};
use super::{LoadedLib, RegisteredTest};
#[derive(Clone, Debug, Default, PartialEq, Eq)]
pub(crate) struct LoadDelta {
sequence_after: BTreeMap<Symbol, u64>,
number_unary_ops: DeltaRange,
number_reduction_ops: DeltaRange,
number_binary_ops: DeltaRange,
value_number_unary_ops: DeltaRange,
value_number_reduction_ops: DeltaRange,
value_number_binary_ops: DeltaRange,
promotion_rules: DeltaRange,
value_promotion_rules: DeltaRange,
}
#[derive(Clone, Copy, Debug, Default, PartialEq, Eq)]
pub(crate) struct DeltaRange {
start: usize,
len: usize,
}
impl DeltaRange {
pub(crate) fn new(start: usize, len: usize) -> Self {
Self { start, len }
}
pub(crate) fn is_empty(self) -> bool {
self.len == 0
}
pub(crate) fn end(self) -> usize {
self.start + self.len
}
pub(crate) fn adjust_after_removed(&mut self, removed: Self) {
if self.is_empty() || removed.is_empty() || self.start <= removed.start {
return;
}
self.start = self.start.saturating_sub(removed.len);
}
}
/// The kernel's library registry: the authoritative store of loaded libraries
/// and their resolved exports.
///
/// The registry is catalog-backed for identity (the `catalog` field) and keeps
/// projection caches over that catalog for fast lookup by symbol, id, and kind.
/// It owns stable-id allocation, export registration, querying, transactional
/// loading, and catalog overlays. The kernel defines this contract; libraries
/// supply the behavior that gets registered. See the README "Library system"
/// section.
#[derive(Clone)]
pub struct Registry {
catalog: CatalogStore,
// Projection cache for `libs`.
// Authoritative source: `registry/libs` and `registry/exports`.
// Updated by: `commit_loaded_lib`.
// Covered by: `rebuilding_projection_caches_from_catalog_preserves_query_results`.
libs: Vec<LoadedLib>,
// Projection cache for `lib` and `manifest_by_symbol`.
// Authoritative source: `registry/libs`.
// Updated by: `commit_loaded_lib` and `rebuild_projection_caches_from_catalog`.
// Covered by: `rebuilding_projection_caches_from_catalog_preserves_query_results`.
libs_by_symbol: BTreeMap<Symbol, LibId>,
// Recorded load deltas keyed by loaded library id.
// Authoritative source: committed load transactions.
// Updated by: `commit_loaded_lib` and `Registry::unload`.
// Covered by: unload roundtrip tests.
load_deltas: BTreeMap<LibId, LoadDelta>,
// Load-dependency edges keyed by dependent library id.
// Authoritative source: manifest dependencies resolved at commit time.
// Updated by: `commit_loaded_lib` and `Registry::unload`.
// Covered by: unload refusal and cascade tests.
load_dependencies: BTreeMap<LibId, BTreeSet<LibId>>,
// Projection cache for `export_symbols`.
// Authoritative source: `registry/exports`.
// Updated by: `insert_runtime_export` and `rebuild_projection_caches_from_catalog`.
// Covered by: `rebuilding_projection_caches_from_catalog_preserves_query_results`.
export_symbols: BTreeMap<super::ExportKind, BTreeMap<Symbol, RuntimeId>>,
// Projection cache for `classes`.
// Authoritative source: `registry/exports`.
// Updated by: `register_runtime_value`, `commit_loaded_lib`, and `rebuild_projection_caches_from_catalog`.
// Covered by: `rebuilding_projection_caches_from_catalog_preserves_query_results`.
class_symbol_cache: BTreeMap<Symbol, ClassId>,
// Projection cache for `functions`.
// Authoritative source: `registry/exports`.
// Updated by: `register_runtime_value`, `commit_loaded_lib`, and `rebuild_projection_caches_from_catalog`.
// Covered by: `rebuilding_projection_caches_from_catalog_preserves_query_results`.
function_symbol_cache: BTreeMap<Symbol, FunctionId>,
// Projection cache for `macros`.
// Authoritative source: `registry/exports`.
// Updated by: `register_runtime_value`, `commit_loaded_lib`, and `rebuild_projection_caches_from_catalog`.
// Covered by: `rebuilding_projection_caches_from_catalog_preserves_query_results`.
macro_symbol_cache: BTreeMap<Symbol, MacroId>,
// Projection cache for `shapes`.
// Authoritative source: `registry/exports`.
// Updated by: `register_runtime_value`, `commit_loaded_lib`, and `rebuild_projection_caches_from_catalog`.
// Covered by: `rebuilding_projection_caches_from_catalog_preserves_query_results`.
shape_symbol_cache: BTreeMap<Symbol, ShapeId>,
// Projection cache for `codecs`.
// Authoritative source: `registry/exports`.
// Updated by: `register_runtime_value`, `commit_loaded_lib`, and `rebuild_projection_caches_from_catalog`.
// Covered by: `rebuilding_projection_caches_from_catalog_preserves_query_results`.
codec_symbol_cache: BTreeMap<Symbol, CodecId>,
// Projection cache for `number_domains`.
// Authoritative source: `registry/exports`.
// Updated by: `insert_number_domain_value`, `commit_loaded_lib`, and `rebuild_projection_caches_from_catalog`.
// Covered by: `rebuilding_projection_caches_from_catalog_preserves_query_results`.
number_domain_symbol_cache: BTreeMap<Symbol, NumberDomainId>,
// Projection cache for `sites`.
// Authoritative source: `registry/exports`.
// Updated by: `register_runtime_value`, `commit_loaded_lib`, and `rebuild_projection_caches_from_catalog`.
// Covered by: `rebuilding_projection_caches_from_catalog_preserves_query_results`.
site_symbol_cache: BTreeMap<Symbol, SiteId>,
// Projection cache for `export_symbol_for_value`.
// Authoritative source: `registry/runtime`.
// Updated by: `register_runtime_value`, `commit_loaded_lib`, and `rebuild_projection_caches_from_catalog`.
// Covered by: `rebuilding_projection_caches_from_catalog_preserves_query_results`.
plain_value_cache: BTreeMap<Symbol, Value>,
// Projection cache for `class_value`.
// Authoritative source: `registry/runtime`.
// Updated by: `register_runtime_value`, `commit_loaded_lib`, and `rebuild_projection_caches_from_catalog`.
// Covered by: `rebuilding_projection_caches_from_catalog_preserves_query_results`.
class_value_cache: BTreeMap<ClassId, Value>,
// Projection cache for `function_value`.
// Authoritative source: `registry/runtime`.
// Updated by: `register_runtime_value`, `commit_loaded_lib`, and `rebuild_projection_caches_from_catalog`.
// Covered by: `rebuilding_projection_caches_from_catalog_preserves_query_results`.
function_value_cache: BTreeMap<FunctionId, Value>,
// Projection cache for `macro_value`.
// Authoritative source: `registry/runtime`.
// Updated by: `register_runtime_value`, `commit_loaded_lib`, and `rebuild_projection_caches_from_catalog`.
// Covered by: `rebuilding_projection_caches_from_catalog_preserves_query_results`.
macro_value_cache: BTreeMap<MacroId, Value>,
// Projection cache for `shape_value`.
// Authoritative source: `registry/runtime`.
// Updated by: `register_runtime_value`, `commit_loaded_lib`, and `rebuild_projection_caches_from_catalog`.
// Covered by: `rebuilding_projection_caches_from_catalog_preserves_query_results`.
shape_value_cache: BTreeMap<ShapeId, Value>,
// Projection cache for `codec_value`.
// Authoritative source: `registry/runtime`.
// Updated by: `register_runtime_value`, `commit_loaded_lib`, and `rebuild_projection_caches_from_catalog`.
// Covered by: `rebuilding_projection_caches_from_catalog_preserves_query_results`.
codec_value_cache: BTreeMap<CodecId, Value>,
// Projection cache for `number_domain_value`.
// Authoritative source: `registry/runtime`.
// Updated by: `insert_number_domain_value`, `commit_loaded_lib`, and `rebuild_projection_caches_from_catalog`.
// Covered by: `rebuilding_projection_caches_from_catalog_preserves_query_results`.
number_domain_value_cache: BTreeMap<NumberDomainId, Value>,
// Projection cache for `site_value`.
// Authoritative source: `registry/runtime`.
// Updated by: `register_runtime_value`, `commit_loaded_lib`, and `rebuild_projection_caches_from_catalog`.
// Covered by: `rebuilding_projection_caches_from_catalog_preserves_query_results`.
site_value_cache: BTreeMap<SiteId, Value>,
number_domain_order: Option<Vec<NumberDomainId>>,
// Projection cache for `tests` and `registered_test`.
// Authoritative source: `registry/tests`.
// Updated by: `register_test` and `rebuild_projection_caches_from_catalog`.
// Covered by: `rebuilding_projection_caches_from_catalog_preserves_query_results`.
tests: BTreeMap<Symbol, RegisteredTest>,
// Projection cache for `tests_for_lib`.
// Authoritative source: `registry/tests`.
// Updated by: `register_test` and `rebuild_projection_caches_from_catalog`.
// Covered by: `rebuilding_projection_caches_from_catalog_preserves_query_results`.
tests_by_lib: BTreeMap<Symbol, Vec<Symbol>>,
promotion_rules: Vec<crate::number_domain::PromotionRule>,
value_promotion_rules: Vec<ValuePromotionRule>,
number_unary_ops: Vec<NumberUnaryOp>,
number_reduction_ops: Vec<NumberReductionOp>,
number_binary_ops: Vec<NumberBinaryOp>,
value_number_unary_ops: Vec<ValueNumberUnaryOp>,
value_number_reduction_ops: Vec<ValueNumberReductionOp>,
value_number_binary_ops: Vec<ValueNumberBinaryOp>,
}
impl Default for Registry {
fn default() -> Self {
Self {
catalog: catalog::new_registry_catalog(),
libs: Vec::new(),
libs_by_symbol: BTreeMap::new(),
load_deltas: BTreeMap::new(),
load_dependencies: BTreeMap::new(),
export_symbols: BTreeMap::new(),
class_symbol_cache: BTreeMap::new(),
function_symbol_cache: BTreeMap::new(),
macro_symbol_cache: BTreeMap::new(),
shape_symbol_cache: BTreeMap::new(),
codec_symbol_cache: BTreeMap::new(),
number_domain_symbol_cache: BTreeMap::new(),
site_symbol_cache: BTreeMap::new(),
plain_value_cache: BTreeMap::new(),
class_value_cache: BTreeMap::new(),
function_value_cache: BTreeMap::new(),
macro_value_cache: BTreeMap::new(),
shape_value_cache: BTreeMap::new(),
codec_value_cache: BTreeMap::new(),
number_domain_value_cache: BTreeMap::new(),
site_value_cache: BTreeMap::new(),
number_domain_order: None,
tests: BTreeMap::new(),
tests_by_lib: BTreeMap::new(),
promotion_rules: Vec::new(),
value_promotion_rules: Vec::new(),
number_unary_ops: Vec::new(),
number_reduction_ops: Vec::new(),
number_binary_ops: Vec::new(),
value_number_unary_ops: Vec::new(),
value_number_reduction_ops: Vec::new(),
value_number_binary_ops: Vec::new(),
}
}
}