PerryTS/perry v0.5.343

on GitHub

Highlights

Largest cognitive-load reduction in the project's history (15 commits in the v0.5.329→v0.5.343 series): compile.rs shrunk −60%, lower.rs −44%, lower_call.rs −45%, and lower::lower_expr −91%. ~14k LOC reorganized into 19 focused sub-modules. Every baseline green throughout: workspace 434/0/5, gap 25/28, doc-tests 80/82.

Closes the recurring _ => {} HIR walker bug class (root cause of #167, #169, #212, #214) via a single exhaustive walker that turns enum-variant additions into compile errors instead of silent miscompiles.

Compiler internals (refactor)

• Centralize Expr descent in walker.rs — exhaustive match, no _ catch-all (closes #167/#169/#212/#214 bug class)
• Centralize UI / system / i18n dispatch tables in new perry-dispatch crate — eliminates 4-site fan-out across LLVM/JS/WASM backends
• Symbol-set strip-dedup via llvm-nm — replaces fragile name-pattern matching that broke Linux generic monomorphizations (#181)
• Split compile.rs (9391→3783 LOC), lower.rs (13591→7554), lower_call.rs (7000+→3866) into focused sub-modules
• Pilot + mass-extract lower_expr arms (Cond/Update/Tpl/Seq/Yield/Await/SuperProp/MetaProp/Arrow/Fn/Object/Member/Assign/New/Call) into lower/expr_*.rs modules

Performance

• Fuse 4 sequential module scans in inliner + 5 sequential rayon passes in compile pipeline
• Bound parse cache at 500 entries with FIFO eviction (was unbounded — perry dev could leak 100+ MB of SWC AST)
• Parallelize per-module .ll writes
• Wrap i18n table in Arc<> to avoid per-rayon-worker clones
• Combine three mutable-captures passes in HIR analysis

Fixes

• #214 SSO string-array crashes: unbox_to_i64 returns garbage for short-string-optimization values; converted 7 string-operand callsites (arr.join, obj[ssoKey], delete, string.match, process.env) to SSO-safe unbox_str_handle
• #212 class-method captures: classes declared inside a function whose method body references enclosing-fn locals now compile + run via hidden __perry_cap_<id> instance fields with full ctor + inheritance + setter-write-through support
• #181 Linux GTK4 link: silent pkg-config fallback hole + strip-dedup over-pruning generic monomorphizations
• #220 Windows: add secur32.lib to link line
• #219 doc-tests: empty // platforms: directive opts out of host run phase
• #167 stack eat: hoist js_native_call_method args alloca to entry block (was leaking 16 bytes/iter inside loop bodies)
• #169 Uint8Array params: missing inliner arms caused _ => {} fallthrough → SIGTRAP
• #216/#217/#218 GTK4: 7 missing FFIs (open_folder_dialog, widget tree ops, SplitView)
• #154 using/await using: ES2024 explicit resource management dispose hooks
• #106 watchOS: weak fallbacks for game-loop FFI hooks (unblocks runtime-only --features watchos-game-loop)
• #198 i18n FormatNumber: FP round-trip via Ryū algorithm (closes #207)
• #196 jsruntime: drop redundant test causing Linux V8 re-init segfault
• #197 benchmarks: portable /usr/bin/time flag detection on Linux
• #185 macOS shadow: set masksToBounds: NO so corner-radius widgets don't clip CALayer shadow
• ui-slider FFI sig parity across all 7 backends
• Cross-compile from aarch64 macOS host (Linux/Windows codegen, iOS lib path)

Features

• #185 inline style: {...} API (Phase A + B + C): styling matrix infrastructure + cross-platform widgetSetShadow + opacity / borders / text decoration + Phase C inline style: { backgroundColor, border*, padding, shadow, gradient, ... } on every Widget-returning constructor (Button, Text, Toggle, Slider, ProgressView, VStack, HStack, …) — works on every platform that has the underlying setters wired
• #98 background notifications: notificationOnBackgroundReceive on iOS (UIBackgroundFetchResult-gated) + Android (FCM) warm-path
• #190 Canvas widget in LLVM codegen
• #191 CameraView widget wired through every codegen path
• #192 Table widget wired through every codegen path
• #189 perry/plugin codegen dispatch (#203)
• #193 11 stdlib helpers wired (#205, partial)
• #202 GTK4 4 styling FFIs (#206)
• #194 doc-tests --app-bundle-id for widget cross-compile (#200)
• #195 HIR error on widget method-chain modifier syntax (#201)
• #188 perry/i18n format wrappers (Currency / Percent / FormatNumber / ShortDate / LongDate / FormatTime / Raw)
• #209 file: deps inside cwd no longer strip FFI imports on --target web

Infrastructure

• Drift-checked styling matrix integration test (crates/perry-ui/tests/styling_matrix_drift.rs) across 8 native platforms + Web
• Dispatch-table consistency test in perry-dispatch (caught a pre-existing duplicate scrollViewSetOffset row)
• New regression tests for the SSO unbox + class-method capture + loop-alloca bug classes
• Linux build fix: clang discovery + duplicate sqlite symbol resolution
• Sponsor button routes to Ko-fi