695 lines
30 KiB
Rust
695 lines
30 KiB
Rust
#![allow(clippy::arc_with_non_send_sync)]
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use std::sync::Arc;
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use oxide_types::mem::P;
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use oxide_types::object::JsObject;
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use oxide_types::value::JsValue;
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use crate::builtin::BuiltinWorld;
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use crate::code_forge::CodeForge;
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use crate::logging::{init_logging, LogLevel, SUBSYSTEM_COUNT};
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use crate::prop_forge::PropForge;
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use crate::shape_forge::{ShapeForge, EMPTY_SHAPE_ID};
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use crate::string_forge::StringForge;
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#[derive(Clone)]
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pub struct KernelConfig {
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pub min_pool_size: usize,
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pub max_pool_size: Option<usize>,
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pub max_dead_strings: Option<usize>,
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pub max_steps: Option<u64>,
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pub max_call_depth: usize,
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pub session_gc_threshold: usize,
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pub log_levels: [LogLevel; SUBSYSTEM_COUNT],
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pub warmup_builtin_shapes: bool,
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pub warmup_builtin_code: bool,
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pub warmup_builtin_ic: bool,
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}
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impl KernelConfig {
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pub fn minimal() -> Self {
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Self {
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min_pool_size: 4,
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max_pool_size: Some(8),
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max_dead_strings: Some(10_000),
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max_steps: None,
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max_call_depth: 1024,
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session_gc_threshold: 8_388_608,
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log_levels: [LogLevel::Off; SUBSYSTEM_COUNT],
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warmup_builtin_shapes: true,
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warmup_builtin_code: false,
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warmup_builtin_ic: false,
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}
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}
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pub fn standard() -> Self {
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Self {
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min_pool_size: 8,
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max_pool_size: Some(32),
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max_dead_strings: Some(10_000),
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max_steps: None,
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max_call_depth: 1024,
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session_gc_threshold: 8_388_608,
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log_levels: [LogLevel::Off; SUBSYSTEM_COUNT],
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warmup_builtin_shapes: true,
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warmup_builtin_code: true,
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warmup_builtin_ic: false,
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}
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}
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pub fn full() -> Self {
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Self {
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min_pool_size: 16,
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max_pool_size: None,
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max_dead_strings: Some(5_000),
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max_steps: None,
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max_call_depth: 1024,
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session_gc_threshold: 8_388_608,
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log_levels: [LogLevel::Off; SUBSYSTEM_COUNT],
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warmup_builtin_shapes: true,
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warmup_builtin_code: true,
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warmup_builtin_ic: true,
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}
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}
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pub fn session_gc_threshold(&self) -> usize {
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self.session_gc_threshold
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}
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pub fn set_session_gc_threshold(&mut self, bytes: usize) {
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self.session_gc_threshold = bytes;
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}
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pub fn with_session_gc_threshold(mut self, bytes: usize) -> Self {
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self.session_gc_threshold = bytes;
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self
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}
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}
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impl Default for KernelConfig {
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fn default() -> Self {
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Self::minimal()
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}
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}
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/// Immutable, permanently shared state across all VM instances.
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/// Never rebuilt after construction — forge tables are append-only.
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pub struct KernelCore {
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pub config: KernelConfig,
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pub string_forge: Arc<StringForge>,
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pub shape_forge: Arc<ShapeForge>,
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pub code_forge: Arc<CodeForge>,
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pub prop_forge: Arc<PropForge>,
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}
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impl KernelCore {
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pub fn new(config: KernelConfig) -> Arc<Self> {
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init_logging(&config.log_levels);
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let string_forge = Arc::new(StringForge::new());
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let shape_forge = Arc::new(ShapeForge::new());
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let code_forge = Arc::new(CodeForge::new());
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let prop_forge = Arc::new(PropForge::new());
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Arc::new(Self {
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config,
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string_forge,
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shape_forge,
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code_forge,
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prop_forge,
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})
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}
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pub fn string_forge(&self) -> &Arc<StringForge> {
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&self.string_forge
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}
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pub fn shape_forge(&self) -> &Arc<ShapeForge> {
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&self.shape_forge
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}
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pub fn code_forge(&self) -> &Arc<CodeForge> {
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&self.code_forge
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}
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pub fn prop_forge(&self) -> &Arc<PropForge> {
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&self.prop_forge
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}
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pub fn config(&self) -> &KernelConfig {
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&self.config
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}
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pub fn session_gc_threshold(&self) -> usize {
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self.config.session_gc_threshold
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}
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pub fn set_session_gc_threshold(&mut self, bytes: usize) {
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self.config.session_gc_threshold = bytes;
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}
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pub fn sweep_runner_forges(&self) {
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self.string_forge.maybe_sweep(self.config.max_dead_strings.or(Some(1)));
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// test262 creates a fresh VM/session per test. At this boundary no JS object
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// from prior tests may retain transient shapes/templates.
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if self.shape_forge.len() > 50_000 {
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self.shape_forge.clear_transient();
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self.prop_forge.clear();
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} else if self.prop_forge.len() > 50_000 {
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self.prop_forge.clear();
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}
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}
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}
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/// Per-session mutable state: builtin prototype objects and the global object.
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/// Rebuilt on full_reset() to achieve complete isolation between JS executions.
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pub struct KernelSession {
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pub builtin_world: Arc<BuiltinWorld>,
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pub global_object: P<JsObject>,
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pub builtin_snapshot: BuiltinSnapshot,
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}
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/// Generation snapshot for reset dirty checks.
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///
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/// Maintenance: every new `BuiltinWorld` object field must be added here and to
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/// `KernelSession::dirty_since_snapshot()` so selective reset can rebuild the
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/// correct builtin family.
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#[derive(Clone, Debug)]
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pub struct BuiltinSnapshot {
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pub object_proto_generation: u32,
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pub array_proto_generation: u32,
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pub function_proto_generation: u32,
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pub string_proto_generation: u32,
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pub number_proto_generation: u32,
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pub boolean_proto_generation: u32,
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pub error_proto_generation: u32,
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pub symbol_proto_generation: u32,
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pub object_constructor_generation: u32,
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pub array_constructor_generation: u32,
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pub function_constructor_generation: u32,
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pub string_constructor_generation: u32,
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pub number_constructor_generation: u32,
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pub boolean_constructor_generation: u32,
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pub error_constructor_generation: u32,
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pub symbol_constructor_generation: u32,
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pub type_error_proto_generation: u32,
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pub reference_error_proto_generation: u32,
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pub range_error_proto_generation: u32,
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pub syntax_error_proto_generation: u32,
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pub uri_error_proto_generation: u32,
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pub eval_error_proto_generation: u32,
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pub math_object_generation: u32,
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pub json_object_generation: u32,
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pub date_constructor_generation: u32,
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pub date_proto_generation: u32,
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pub set_constructor_generation: u32,
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pub set_proto_generation: u32,
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pub map_constructor_generation: u32,
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pub map_proto_generation: u32,
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pub regexp_constructor_generation: u32,
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pub regexp_proto_generation: u32,
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pub array_buffer_constructor_generation: u32,
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pub array_buffer_proto_generation: u32,
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pub data_view_constructor_generation: u32,
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pub data_view_proto_generation: u32,
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pub typed_array_proto_generation: u32,
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pub int8array_constructor_generation: u32,
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pub int8array_proto_generation: u32,
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pub uint8array_constructor_generation: u32,
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pub uint8array_proto_generation: u32,
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pub uint8clampedarray_constructor_generation: u32,
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pub uint8clampedarray_proto_generation: u32,
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pub int16array_constructor_generation: u32,
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pub int16array_proto_generation: u32,
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pub uint16array_constructor_generation: u32,
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pub uint16array_proto_generation: u32,
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pub int32array_constructor_generation: u32,
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pub int32array_proto_generation: u32,
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pub uint32array_constructor_generation: u32,
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pub uint32array_proto_generation: u32,
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pub float32array_constructor_generation: u32,
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pub float32array_proto_generation: u32,
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pub float64array_constructor_generation: u32,
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pub float64array_proto_generation: u32,
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pub bigint64array_constructor_generation: u32,
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pub bigint64array_proto_generation: u32,
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pub biguint64array_constructor_generation: u32,
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pub biguint64array_proto_generation: u32,
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pub sym_match_generation: u32,
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pub sym_replace_generation: u32,
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pub sym_search_generation: u32,
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pub sym_split_generation: u32,
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pub sym_iterator_generation: u32,
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pub global_object_generation: u32,
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pub stub_objects_len: usize,
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pub stub_object_generations: Vec<u32>,
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}
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impl BuiltinSnapshot {
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fn gen(obj: &P<JsObject>) -> u32 {
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obj.generation()
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}
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pub fn new(world: &BuiltinWorld, global_object: &P<JsObject>) -> Self {
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Self {
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object_proto_generation: Self::gen(&world.object_proto),
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array_proto_generation: Self::gen(&world.array_proto),
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function_proto_generation: Self::gen(&world.function_proto),
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string_proto_generation: Self::gen(&world.string_proto),
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number_proto_generation: Self::gen(&world.number_proto),
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boolean_proto_generation: Self::gen(&world.boolean_proto),
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error_proto_generation: Self::gen(&world.error_proto),
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symbol_proto_generation: Self::gen(&world.symbol_proto),
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object_constructor_generation: Self::gen(&world.object_constructor),
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array_constructor_generation: Self::gen(&world.array_constructor),
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function_constructor_generation: Self::gen(&world.function_constructor),
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string_constructor_generation: Self::gen(&world.string_constructor),
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number_constructor_generation: Self::gen(&world.number_constructor),
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boolean_constructor_generation: Self::gen(&world.boolean_constructor),
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error_constructor_generation: Self::gen(&world.error_constructor),
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symbol_constructor_generation: Self::gen(&world.symbol_constructor),
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type_error_proto_generation: Self::gen(&world.type_error_proto),
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reference_error_proto_generation: Self::gen(&world.reference_error_proto),
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range_error_proto_generation: Self::gen(&world.range_error_proto),
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syntax_error_proto_generation: Self::gen(&world.syntax_error_proto),
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uri_error_proto_generation: Self::gen(&world.uri_error_proto),
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eval_error_proto_generation: Self::gen(&world.eval_error_proto),
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math_object_generation: Self::gen(&world.math_object),
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json_object_generation: Self::gen(&world.json_object),
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date_constructor_generation: Self::gen(&world.date_constructor),
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date_proto_generation: Self::gen(&world.date_proto),
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set_constructor_generation: Self::gen(&world.set_constructor),
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set_proto_generation: Self::gen(&world.set_proto),
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map_constructor_generation: Self::gen(&world.map_constructor),
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map_proto_generation: Self::gen(&world.map_proto),
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regexp_constructor_generation: Self::gen(&world.regexp_constructor),
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regexp_proto_generation: Self::gen(&world.regexp_proto),
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array_buffer_constructor_generation: Self::gen(&world.array_buffer_constructor),
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array_buffer_proto_generation: Self::gen(&world.array_buffer_proto),
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data_view_constructor_generation: Self::gen(&world.data_view_constructor),
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data_view_proto_generation: Self::gen(&world.data_view_proto),
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typed_array_proto_generation: Self::gen(&world.typed_array_proto),
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int8array_constructor_generation: Self::gen(&world.int8array_constructor),
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int8array_proto_generation: Self::gen(&world.int8array_proto),
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uint8array_constructor_generation: Self::gen(&world.uint8array_constructor),
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uint8array_proto_generation: Self::gen(&world.uint8array_proto),
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uint8clampedarray_constructor_generation: Self::gen(&world.uint8clampedarray_constructor),
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uint8clampedarray_proto_generation: Self::gen(&world.uint8clampedarray_proto),
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int16array_constructor_generation: Self::gen(&world.int16array_constructor),
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int16array_proto_generation: Self::gen(&world.int16array_proto),
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uint16array_constructor_generation: Self::gen(&world.uint16array_constructor),
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uint16array_proto_generation: Self::gen(&world.uint16array_proto),
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int32array_constructor_generation: Self::gen(&world.int32array_constructor),
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int32array_proto_generation: Self::gen(&world.int32array_proto),
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uint32array_constructor_generation: Self::gen(&world.uint32array_constructor),
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uint32array_proto_generation: Self::gen(&world.uint32array_proto),
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float32array_constructor_generation: Self::gen(&world.float32array_constructor),
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float32array_proto_generation: Self::gen(&world.float32array_proto),
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float64array_constructor_generation: Self::gen(&world.float64array_constructor),
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float64array_proto_generation: Self::gen(&world.float64array_proto),
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bigint64array_constructor_generation: Self::gen(&world.bigint64array_constructor),
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bigint64array_proto_generation: Self::gen(&world.bigint64array_proto),
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biguint64array_constructor_generation: Self::gen(&world.biguint64array_constructor),
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biguint64array_proto_generation: Self::gen(&world.biguint64array_proto),
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sym_match_generation: Self::gen(&world.sym_match),
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sym_replace_generation: Self::gen(&world.sym_replace),
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sym_search_generation: Self::gen(&world.sym_search),
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sym_split_generation: Self::gen(&world.sym_split),
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sym_iterator_generation: Self::gen(&world.sym_iterator),
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global_object_generation: Self::gen(global_object),
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stub_objects_len: world.stub_objects.len(),
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stub_object_generations: world.stub_objects.iter().map(Self::gen).collect(),
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}
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}
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}
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#[derive(Clone, Copy, Debug, Default, PartialEq, Eq)]
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pub struct BuiltinDirtySet {
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pub object: bool,
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pub array: bool,
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pub function: bool,
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pub string: bool,
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pub number: bool,
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pub boolean: bool,
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pub error_family: bool,
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pub symbol_family: bool,
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pub math: bool,
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pub json: bool,
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pub date: bool,
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pub set: bool,
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pub map: bool,
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pub regexp: bool,
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pub array_buffer: bool,
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pub data_view: bool,
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pub typed_array_family: bool,
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pub stubs: bool,
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pub global: bool,
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}
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impl BuiltinDirtySet {
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pub fn any_builtin_dirty(&self) -> bool {
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self.object
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|| self.array
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|| self.function
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|| self.string
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|| self.number
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|| self.boolean
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|| self.error_family
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|| self.symbol_family
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|| self.math
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|| self.json
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|| self.date
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|| self.set
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|| self.map
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|| self.regexp
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|| self.array_buffer
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|| self.data_view
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|| self.typed_array_family
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|| self.stubs
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}
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pub fn any(&self) -> bool {
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self.any_builtin_dirty() || self.global
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}
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}
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impl KernelSession {
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fn new_global_object(core: &KernelCore) -> P<JsObject> {
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let mut global_obj = JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::null());
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let si_nan = core.string_forge.intern("NaN").0;
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let si_undef = core.string_forge.intern("undefined").0;
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let si_infinity = core.string_forge.intern("Infinity").0;
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let nan_shape = core.shape_forge.make_shape(EMPTY_SHAPE_ID, si_nan);
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global_obj.set_shape_id(nan_shape);
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global_obj.ensure_hash_props().push(JsValue::float(f64::NAN));
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let undef_shape = core.shape_forge.make_shape(nan_shape, si_undef);
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global_obj.set_shape_id(undef_shape);
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global_obj.ensure_hash_props().push(JsValue::undefined());
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let inf_shape = core.shape_forge.make_shape(undef_shape, si_infinity);
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global_obj.set_shape_id(inf_shape);
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global_obj.ensure_hash_props().push(JsValue::float(f64::INFINITY));
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P::new(global_obj)
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}
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/// Build a fresh session from a KernelCore. All string/shape intern calls hit
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/// cache on second and subsequent calls — net cost is < 0.5 ms.
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pub fn new(core: &KernelCore) -> Self {
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let builtin_world = Arc::new(BuiltinWorld::new(&core.string_forge, &core.shape_forge));
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let global_object = Self::new_global_object(core);
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let builtin_snapshot = BuiltinSnapshot::new(&builtin_world, &global_object);
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Self {
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builtin_world,
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global_object,
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builtin_snapshot,
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}
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}
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pub fn builtin_world(&self) -> &Arc<BuiltinWorld> {
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&self.builtin_world
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}
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pub fn global_object(&self) -> &P<JsObject> {
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&self.global_object
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}
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pub fn record_snapshot(&mut self) {
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self.builtin_snapshot = BuiltinSnapshot::new(&self.builtin_world, &self.global_object);
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}
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pub fn dirty_since_snapshot(&self) -> BuiltinDirtySet {
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let world = self.builtin_world.as_ref();
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let snapshot = &self.builtin_snapshot;
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let stub_generations_dirty = world
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.stub_objects
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.iter()
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.zip(snapshot.stub_object_generations.iter())
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.any(|(obj, generation)| BuiltinSnapshot::gen(obj) != *generation);
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BuiltinDirtySet {
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object: BuiltinSnapshot::gen(&world.object_proto) != snapshot.object_proto_generation
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|| BuiltinSnapshot::gen(&world.object_constructor) != snapshot.object_constructor_generation,
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array: BuiltinSnapshot::gen(&world.array_proto) != snapshot.array_proto_generation
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|| BuiltinSnapshot::gen(&world.array_constructor) != snapshot.array_constructor_generation,
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function: BuiltinSnapshot::gen(&world.function_proto) != snapshot.function_proto_generation
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|| BuiltinSnapshot::gen(&world.function_constructor) != snapshot.function_constructor_generation,
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string: BuiltinSnapshot::gen(&world.string_proto) != snapshot.string_proto_generation
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|| BuiltinSnapshot::gen(&world.string_constructor) != snapshot.string_constructor_generation,
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number: BuiltinSnapshot::gen(&world.number_proto) != snapshot.number_proto_generation
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|| BuiltinSnapshot::gen(&world.number_constructor) != snapshot.number_constructor_generation,
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boolean: BuiltinSnapshot::gen(&world.boolean_proto) != snapshot.boolean_proto_generation
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|| BuiltinSnapshot::gen(&world.boolean_constructor) != snapshot.boolean_constructor_generation,
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error_family: BuiltinSnapshot::gen(&world.error_proto) != snapshot.error_proto_generation
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|| BuiltinSnapshot::gen(&world.error_constructor) != snapshot.error_constructor_generation
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|| BuiltinSnapshot::gen(&world.type_error_proto) != snapshot.type_error_proto_generation
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|| BuiltinSnapshot::gen(&world.reference_error_proto) != snapshot.reference_error_proto_generation
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|| BuiltinSnapshot::gen(&world.range_error_proto) != snapshot.range_error_proto_generation
|
|
|| BuiltinSnapshot::gen(&world.syntax_error_proto) != snapshot.syntax_error_proto_generation
|
|
|| BuiltinSnapshot::gen(&world.uri_error_proto) != snapshot.uri_error_proto_generation
|
|
|| BuiltinSnapshot::gen(&world.eval_error_proto) != snapshot.eval_error_proto_generation,
|
|
symbol_family: BuiltinSnapshot::gen(&world.symbol_proto) != snapshot.symbol_proto_generation
|
|
|| BuiltinSnapshot::gen(&world.symbol_constructor) != snapshot.symbol_constructor_generation
|
|
|| BuiltinSnapshot::gen(&world.sym_match) != snapshot.sym_match_generation
|
|
|| BuiltinSnapshot::gen(&world.sym_replace) != snapshot.sym_replace_generation
|
|
|| BuiltinSnapshot::gen(&world.sym_search) != snapshot.sym_search_generation
|
|
|| BuiltinSnapshot::gen(&world.sym_split) != snapshot.sym_split_generation
|
|
|| BuiltinSnapshot::gen(&world.sym_iterator) != snapshot.sym_iterator_generation,
|
|
math: BuiltinSnapshot::gen(&world.math_object) != snapshot.math_object_generation,
|
|
json: BuiltinSnapshot::gen(&world.json_object) != snapshot.json_object_generation,
|
|
date: BuiltinSnapshot::gen(&world.date_constructor) != snapshot.date_constructor_generation
|
|
|| BuiltinSnapshot::gen(&world.date_proto) != snapshot.date_proto_generation,
|
|
set: BuiltinSnapshot::gen(&world.set_constructor) != snapshot.set_constructor_generation
|
|
|| BuiltinSnapshot::gen(&world.set_proto) != snapshot.set_proto_generation,
|
|
map: BuiltinSnapshot::gen(&world.map_constructor) != snapshot.map_constructor_generation
|
|
|| BuiltinSnapshot::gen(&world.map_proto) != snapshot.map_proto_generation,
|
|
regexp: BuiltinSnapshot::gen(&world.regexp_constructor) != snapshot.regexp_constructor_generation
|
|
|| BuiltinSnapshot::gen(&world.regexp_proto) != snapshot.regexp_proto_generation,
|
|
array_buffer: BuiltinSnapshot::gen(&world.array_buffer_constructor)
|
|
!= snapshot.array_buffer_constructor_generation
|
|
|| BuiltinSnapshot::gen(&world.array_buffer_proto) != snapshot.array_buffer_proto_generation,
|
|
data_view: BuiltinSnapshot::gen(&world.data_view_constructor) != snapshot.data_view_constructor_generation
|
|
|| BuiltinSnapshot::gen(&world.data_view_proto) != snapshot.data_view_proto_generation,
|
|
typed_array_family: BuiltinSnapshot::gen(&world.typed_array_proto) != snapshot.typed_array_proto_generation
|
|
|| BuiltinSnapshot::gen(&world.int8array_constructor) != snapshot.int8array_constructor_generation
|
|
|| BuiltinSnapshot::gen(&world.int8array_proto) != snapshot.int8array_proto_generation
|
|
|| BuiltinSnapshot::gen(&world.uint8array_constructor) != snapshot.uint8array_constructor_generation
|
|
|| BuiltinSnapshot::gen(&world.uint8array_proto) != snapshot.uint8array_proto_generation
|
|
|| BuiltinSnapshot::gen(&world.uint8clampedarray_constructor)
|
|
!= snapshot.uint8clampedarray_constructor_generation
|
|
|| BuiltinSnapshot::gen(&world.uint8clampedarray_proto) != snapshot.uint8clampedarray_proto_generation
|
|
|| BuiltinSnapshot::gen(&world.int16array_constructor) != snapshot.int16array_constructor_generation
|
|
|| BuiltinSnapshot::gen(&world.int16array_proto) != snapshot.int16array_proto_generation
|
|
|| BuiltinSnapshot::gen(&world.uint16array_constructor) != snapshot.uint16array_constructor_generation
|
|
|| BuiltinSnapshot::gen(&world.uint16array_proto) != snapshot.uint16array_proto_generation
|
|
|| BuiltinSnapshot::gen(&world.int32array_constructor) != snapshot.int32array_constructor_generation
|
|
|| BuiltinSnapshot::gen(&world.int32array_proto) != snapshot.int32array_proto_generation
|
|
|| BuiltinSnapshot::gen(&world.uint32array_constructor) != snapshot.uint32array_constructor_generation
|
|
|| BuiltinSnapshot::gen(&world.uint32array_proto) != snapshot.uint32array_proto_generation
|
|
|| BuiltinSnapshot::gen(&world.float32array_constructor)
|
|
!= snapshot.float32array_constructor_generation
|
|
|| BuiltinSnapshot::gen(&world.float32array_proto) != snapshot.float32array_proto_generation
|
|
|| BuiltinSnapshot::gen(&world.float64array_constructor)
|
|
!= snapshot.float64array_constructor_generation
|
|
|| BuiltinSnapshot::gen(&world.float64array_proto) != snapshot.float64array_proto_generation
|
|
|| BuiltinSnapshot::gen(&world.bigint64array_constructor)
|
|
!= snapshot.bigint64array_constructor_generation
|
|
|| BuiltinSnapshot::gen(&world.bigint64array_proto) != snapshot.bigint64array_proto_generation
|
|
|| BuiltinSnapshot::gen(&world.biguint64array_constructor)
|
|
!= snapshot.biguint64array_constructor_generation
|
|
|| BuiltinSnapshot::gen(&world.biguint64array_proto) != snapshot.biguint64array_proto_generation,
|
|
stubs: world.stub_objects.len() != snapshot.stub_objects_len || stub_generations_dirty,
|
|
global: BuiltinSnapshot::gen(&self.global_object) != snapshot.global_object_generation,
|
|
}
|
|
}
|
|
|
|
pub fn is_dirty_since_snapshot(&self) -> bool {
|
|
self.dirty_since_snapshot().any()
|
|
}
|
|
|
|
pub fn selective_reset(&mut self, core: &Arc<KernelCore>) -> BuiltinDirtySet {
|
|
let dirty = self.dirty_since_snapshot();
|
|
if dirty.global {
|
|
self.global_object = Self::new_global_object(core);
|
|
}
|
|
if dirty.any_builtin_dirty() {
|
|
self.builtin_world = Arc::new(BuiltinWorld::rebuild_with_dirty(
|
|
&self.builtin_world,
|
|
core.string_forge.as_ref(),
|
|
core.shape_forge.as_ref(),
|
|
&dirty,
|
|
));
|
|
}
|
|
dirty
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::*;
|
|
use crate::shape_forge::EMPTY_SHAPE_ID;
|
|
|
|
#[test]
|
|
fn test_kernel_new() {
|
|
let core = KernelCore::new(KernelConfig::minimal());
|
|
let (i1, _) = core.string_forge().intern("test");
|
|
let (i2, _) = core.string_forge().intern("test");
|
|
assert_eq!(i1, i2);
|
|
}
|
|
|
|
#[test]
|
|
fn test_kernel_builtins_accessible() {
|
|
let core = KernelCore::new(KernelConfig::minimal());
|
|
let session = KernelSession::new(&core);
|
|
assert!(!session.builtin_world().object_proto.is_function());
|
|
assert!(session.builtin_world().object_constructor.is_function());
|
|
}
|
|
|
|
#[test]
|
|
fn test_kernel_shape_forge() {
|
|
let core = KernelCore::new(KernelConfig::minimal());
|
|
assert!(core.shape_forge().get_shape(EMPTY_SHAPE_ID).is_some());
|
|
}
|
|
|
|
#[test]
|
|
fn test_kernel_string_forge() {
|
|
let core = KernelCore::new(KernelConfig::minimal());
|
|
let (i1, _) = core.string_forge().intern("hello");
|
|
let (i2, _) = core.string_forge().intern("hello");
|
|
assert_eq!(i1, i2);
|
|
}
|
|
|
|
#[test]
|
|
fn test_kernel_config_presets() {
|
|
assert_eq!(KernelConfig::minimal().max_pool_size, Some(8));
|
|
assert_eq!(KernelConfig::standard().max_pool_size, Some(32));
|
|
assert_eq!(KernelConfig::minimal().max_steps, None);
|
|
assert_eq!(KernelConfig::standard().max_steps, None);
|
|
assert_eq!(KernelConfig::full().max_steps, None);
|
|
assert_eq!(KernelConfig::minimal().log_levels, [LogLevel::Off; SUBSYSTEM_COUNT]);
|
|
assert!(!KernelConfig::minimal().warmup_builtin_ic);
|
|
assert!(KernelConfig::full().warmup_builtin_ic);
|
|
assert_eq!(KernelConfig::full().max_pool_size, None);
|
|
}
|
|
|
|
#[test]
|
|
fn test_session_rebuild_shares_forges() {
|
|
let core = KernelCore::new(KernelConfig::minimal());
|
|
let (i1, _) = core.string_forge().intern("hello");
|
|
let _s2 = KernelSession::new(&core);
|
|
let (i2, _) = core.string_forge().intern("hello");
|
|
assert_eq!(i1, i2);
|
|
}
|
|
|
|
#[test]
|
|
fn snapshot_fresh_session_is_clean() {
|
|
let core = KernelCore::new(KernelConfig::minimal());
|
|
let session = KernelSession::new(&core);
|
|
let dirty = session.dirty_since_snapshot();
|
|
|
|
assert!(!dirty.any());
|
|
assert!(!dirty.any_builtin_dirty());
|
|
assert!(!session.is_dirty_since_snapshot());
|
|
}
|
|
|
|
#[test]
|
|
fn snapshot_detects_array_dirty() {
|
|
let core = KernelCore::new(KernelConfig::minimal());
|
|
let session = KernelSession::new(&core);
|
|
|
|
unsafe { &mut *(session.builtin_world.array_proto.as_ptr() as *mut JsObject) }.bump_generation();
|
|
let dirty = session.dirty_since_snapshot();
|
|
|
|
assert!(dirty.array);
|
|
assert!(dirty.any_builtin_dirty());
|
|
assert!(session.is_dirty_since_snapshot());
|
|
assert!(!dirty.global);
|
|
assert!(!dirty.object);
|
|
}
|
|
|
|
#[test]
|
|
fn snapshot_detects_global_dirty() {
|
|
let core = KernelCore::new(KernelConfig::minimal());
|
|
let session = KernelSession::new(&core);
|
|
|
|
unsafe { &mut *(session.global_object.as_ptr() as *mut JsObject) }.bump_generation();
|
|
let dirty = session.dirty_since_snapshot();
|
|
|
|
assert!(dirty.global);
|
|
assert!(dirty.any());
|
|
assert!(!dirty.any_builtin_dirty());
|
|
}
|
|
|
|
#[test]
|
|
fn snapshot_detects_stub_dirty() {
|
|
let core = KernelCore::new(KernelConfig::minimal());
|
|
let mut session = KernelSession::new(&core);
|
|
Arc::get_mut(&mut session.builtin_world)
|
|
.expect("fresh session owns its builtin world")
|
|
.stub_objects
|
|
.push(P::new(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::null())));
|
|
session.record_snapshot();
|
|
|
|
Arc::get_mut(&mut session.builtin_world)
|
|
.expect("fresh session owns its builtin world")
|
|
.stub_objects
|
|
.push(P::new(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::null())));
|
|
|
|
let dirty = session.dirty_since_snapshot();
|
|
assert!(dirty.stubs);
|
|
assert!(dirty.any_builtin_dirty());
|
|
assert!(!dirty.global);
|
|
}
|
|
|
|
#[test]
|
|
fn selective_reset_clean_keeps_builtin_world() {
|
|
let core = KernelCore::new(KernelConfig::minimal());
|
|
let mut session = KernelSession::new(&core);
|
|
let world_ptr = Arc::as_ptr(&session.builtin_world);
|
|
|
|
let dirty = session.selective_reset(&core);
|
|
|
|
assert!(!dirty.any());
|
|
assert!(std::ptr::eq(world_ptr, Arc::as_ptr(&session.builtin_world)));
|
|
}
|
|
|
|
#[test]
|
|
fn selective_reset_rebuilds_global_only_when_global_dirty() {
|
|
let core = KernelCore::new(KernelConfig::minimal());
|
|
let mut session = KernelSession::new(&core);
|
|
let world_ptr = Arc::as_ptr(&session.builtin_world);
|
|
let global_ptr = session.global_object.as_ptr();
|
|
|
|
unsafe { &mut *(session.global_object.as_ptr() as *mut JsObject) }.bump_generation();
|
|
let dirty = session.selective_reset(&core);
|
|
|
|
assert!(dirty.global);
|
|
assert!(!dirty.any_builtin_dirty());
|
|
assert!(std::ptr::eq(world_ptr, Arc::as_ptr(&session.builtin_world)));
|
|
assert!(!std::ptr::eq(global_ptr, session.global_object.as_ptr()));
|
|
}
|
|
|
|
#[test]
|
|
fn selective_reset_rebuilds_dirty_builtin_group() {
|
|
let core = KernelCore::new(KernelConfig::minimal());
|
|
let mut session = KernelSession::new(&core);
|
|
let object_proto = session.builtin_world.object_proto.as_ptr();
|
|
let array_proto = session.builtin_world.array_proto.as_ptr();
|
|
let world_ptr = Arc::as_ptr(&session.builtin_world);
|
|
|
|
unsafe { &mut *(session.builtin_world.array_proto.as_ptr() as *mut JsObject) }.bump_generation();
|
|
let dirty = session.selective_reset(&core);
|
|
|
|
assert!(dirty.array);
|
|
assert!(!std::ptr::eq(world_ptr, Arc::as_ptr(&session.builtin_world)));
|
|
assert!(std::ptr::eq(object_proto, session.builtin_world.object_proto.as_ptr()));
|
|
assert!(!std::ptr::eq(array_proto, session.builtin_world.array_proto.as_ptr()));
|
|
|
|
let ctor_proto = session.builtin_world.array_constructor.get_prop_at(0).as_js_object_ptr();
|
|
assert!(std::ptr::eq(ctor_proto, session.builtin_world.array_proto.as_ptr() as *mut JsObject));
|
|
}
|
|
}
|