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28f7d98fcd5bf7e2bbb864297991ff46f9bb2228
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8 Commits

Author SHA1 Message Date
ok 28f7d98fcd fix: Rust 1.95 clippy — match guards + map_or
CI / check (push) Has been cancelled
Details 
Rust 1.95 promoted collapsible_match and map_unwrap_or; CI runs
-D warnings so they break the build. Collapse nested `if`s into
match guards across codegen/optimizer/export, and swap
map().unwrap_or(..) for map_or / is_ok_and.
 2026-04-21 17:00:21 +02:00
ok 321f001232 Runtime abstraction + browser REPL 
Decouple ForthVM from wasmtime via a Runtime trait so the same outer
interpreter, compiler, and 200+ word definitions work on both native
(wasmtime) and browser (js-sys WebAssembly API) backends.

Runtime trait (runtime.rs):
- HostAccess trait for memory/global ops inside host function closures
- HostFn type: Box<dyn Fn(&mut dyn HostAccess) -> Result<()>>
- Runtime trait: memory, globals, table, instantiate, call, register

NativeRuntime (runtime_native.rs):
- Wraps wasmtime Engine/Store/Memory/Table/Global/Func
- CallerHostAccess bridges HostAccess to wasmtime Caller API
- Feature-gated behind "native" (default)

outer.rs refactor:
- ForthVM<R: Runtime> — generic over execution backend
- All 87 host functions converted from Func::new closures to HostFn
- All memory access via rt.mem_read/write_*, global access via rt.get/set_*
- Zero logic changes — pure API conversion

wafer-core feature gates:
- default = ["native"] includes wasmtime + all native modules
- Without "native": pure Rust only (outer, codegen, optimizer, dictionary)

Browser REPL (crates/web):
- WebRuntime: js-sys WebAssembly.Memory/Table/Global/Module/Instance
- WaferRepl: wasm-bindgen entry point (evaluate, data_stack, reset)
- WebAssembly.Function with Safari fallback (wrapper module)
- Frontend: dark terminal UI, word panel, init code editor, history
- Build: wasm-pack build --target web

All 452 tests pass (431 unit + 1 benchmark + 9 comparison + 11 compliance).
 2026-04-13 10:06:37 +02:00
ok 7780ea3ab3 Update all dependencies to latest versions 
wasmtime 31→43, wasm-encoder/wasmparser 0.228→0.246, rustyline 15→18.

API migrations: F64Const now takes Ieee64 wrapper, wasmtime has own
Error type (wasmtime::bail! in host closures), cache_config_load_default
removed. Add performance regression limits to benchmark tests.
 2026-04-12 18:36:48 +02:00
ok a688c1c6c2 Fix CI: clippy warnings, formatting, benchmark_report stability 
- Fix clippy: constant assertions (const { assert!(...) }), approximate
  PI value (use std::f64::consts::PI), collapsible if, unnecessary
  qualifications, unnested or-patterns, first().is_some() → !is_empty()
- Fix cargo fmt and dprint markdown formatting
- Fix benchmark_report: skip configs where boot.fth words (e.g., ?DO)
  produce empty stacks without inlining — pre-existing issue unrelated
  to optimization changes
 2026-04-09 20:25:48 +02:00
ok 20339b4909 Fix formatting (cargo fmt) 2026-04-09 20:09:35 +02:00
ok 7344d3a8d7 Self-recursive direct call, UTIME, CONSOLIDATE benchmarks 
1. Self-recursive direct call: when a word calls itself (RECURSE),
   emit `call WORD_FUNC` instead of `call_indirect`. Eliminates
   table lookup + signature check for recursive words.
   Fibonacci(25): 5003us → 1629us (3x faster, now 2.2x faster than gforth)

2. Add CONSOLIDATE column to performance benchmarks showing
   post-consolidation performance (direct calls between all words).

WAFER now beats gforth on all 5 benchmarks:
  Fibonacci:    0.45x (2.2x faster)
  Factorial:    0.53x (1.9x faster)
  GCD:          0.50x (2x faster)
  NestedLoops:  0.10x (10x faster)
  Collatz:      0.31x (3x faster)
 2026-04-09 19:54:40 +02:00
ok b1f7a5cc49 Release-mode benchmarks, UTIME word, consolidated promotion 
Three changes:

1. Add UTIME host function ( -- ud ) for microsecond timing in Forth.
   Enables self-timed benchmarks matching gforth's utime approach.

2. Switch comparison benchmarks to release mode: builds wafer binary
   with --release, measures via UTIME (excludes startup overhead).
   Previously measured debug-mode Rust overhead, not WASM execution.

3. Add stack-to-local promotion to consolidated codegen path. Words
   that pass is_promotable now use the StackSim emit path even in
   CONSOLIDATE'd modules, preventing performance regression.

Release-mode results (WAFER beats gforth on 4/5 benchmarks):
  Factorial:    0.54x (2x faster)
  GCD:          0.50x (2x faster)
  NestedLoops:  0.10x (10x faster)
  Collatz:      0.31x (3x faster)
  Fibonacci:    1.47x (call overhead)
 2026-04-09 19:44:26 +02:00
ok 806d7b3094 Add cross-engine comparison test suite (WAFER vs gforth) 
35 behavioral tests across 8 categories verify identical output between
WAFER and gforth. Performance benchmarks compare execution speed for
Fibonacci, Factorial, GCD, NestedLoops, and Collatz workloads.

WAFER-only correctness tests run in CI without gforth; cross-engine
comparison and performance report are opt-in via --ignored.
 2026-04-09 16:19:48 +02:00