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10 Commits

Author SHA1 Message Date
ok f3bc270904 Update all docs to reflect current state 
README: 392 tests, 200+ words, 12 word sets, optimization pipeline described
CLAUDE.md: 200+ words, 12 word sets, 392 tests, added optimizer/config/consolidate to key files
OPTIMIZATIONS.md: update all 14 section statuses (12 done, 2 not started)
WAFER.md: correct line counts, add optimizer/config/consolidate/types to project layout, add FSP global
 2026-04-02 12:47:50 +02:00
ok 2c1f7fb3af Update README: 12 word sets at 100%, 200+ words, floating-point complete 2026-04-01 20:40:50 +02:00
ok 3e7f92b7ef Add working compliance test harness, 11 word sets at 100% 
Replace placeholder compliance tests with real harness that boots WAFER,
loads Gerry Jackson's test suite, and asserts 0 errors per word set.

Passing word sets (11/13):
  Core, Core Plus, Core Ext, Exception, Double-Number, String,
  Search-Order, Memory-Allocation, Programming-Tools, Facility, Locals

Not yet: File-Access (needs WASI), Floating-Point, Extended-Character
272 total tests (261 unit + 11 compliance)
 2026-03-31 15:25:02 +02:00
ok f80c612835 Implement Double-Number and String word sets, fix memory panics 
Double-Number (19 words): D+ D- DNEGATE DABS D2* D2/ D0= D0< D= D< DU<
  DMAX DMIN D>S M+ M*/ D. D.R 2ROT 2CONSTANT 2VARIABLE 2VALUE 2LITERAL
  Double-number literal parsing (tokens ending with '.')
String (5 words): COMPARE SEARCH /STRING BLANK -TRAILING SLITERAL
Fix all memory access panics with bounds checking throughout host functions.

8 word sets at 100%: Core, Core Ext, Exception, Double, String,
  Search-Order, Memory-Allocation, Programming-Tools
 2026-03-31 14:43:30 +02:00
ok f99f9d5290 Achieve 100% Core Extensions compliance, 261 tests 
Implement 25+ Core Extension words:
- VALUE/TO, DEFER/IS/ACTION-OF, :NONAME
- CASE/OF/ENDOF/ENDCASE, ?DO, AGAIN
- PARSE, PARSE-NAME, S\", C", HOLDS, BUFFER:
- 2>R, 2R>, 2R@, U>, .R, U.R, PAD, ERASE, UNUSED
- REFILL, SOURCE-ID, MARKER (stub)

Fix panic on invalid memory access (bounds check in FIND).
Rewrite FIND/WORD host functions for inline operation.
Add BeginAgain IR variant and codegen.

Three word sets at 100%: Core, Core Extensions, Exception.
 2026-03-30 22:19:49 +02:00
ok 2c74222193 Achieve 100% Core compliance, implement CATCH/THROW 
Core word set: 0 errors on Gerry Jackson's forth2012-test-suite/core.fr
- Fix POSTPONE for non-immediate words via COMPILE, mechanism
- Fix double-DOES> (WEIRD: pattern) with does-body scanning and
  runtime patching via _DOES_PATCH_
- Implement CATCH/THROW exception handling using wasmtime trap
  mechanism with stack pointer save/restore
- 232 tests passing
 2026-03-30 21:26:21 +02:00
ok cb270c8765 Reach 97% Core compliance: 58 errors down to 3 
- Fix HERE corruption: sync user_here before writing to shared cell
- Fix DOES> without CREATE: patch most-recent word, not read new name
- Implement >BODY via word_pfa_map tracking parameter field addresses
- Nested BEGIN...WHILE...WHILE...REPEAT...ELSE...THEN support
- DEPTH overflow protection
- Forth 2012 core.fr: 3 errors remaining (POSTPONE edge case,
  double-DOES>, NOP meta-programming)
 2026-03-30 21:02:00 +02:00
ok fb1395c740 Add DOES>, EVALUATE, double-cell arithmetic, and 20+ more Core words 
- DOES> with split-compilation for defining words (CREATE , DOES> @ pattern)
- EVALUATE for string interpretation
- Double-cell: M* UM* UM/MOD FM/MOD SM/REM S>D */ */MOD
- Parsing: WORD FIND COUNT >NUMBER >IN STATE
- Memory: CMOVE CMOVE>
- Compile-time: ABORT" S" (compile mode)
- 219 tests passing, ~90% Core word set coverage
- Update docs to reflect current implementation
 2026-03-29 23:40:37 +02:00
ok 1fd8f7196e Update documentation to reflect current implementation state 
README now documents all 70+ implemented words, working examples,
architecture overview, and accurate compliance status.
CLAUDE.md updated with actual file descriptions, patterns for adding
new words, and current test count.
 2026-03-29 23:14:54 +02:00
ok 683281363d Initial commit: WAFER (WebAssembly Forth Engine in Rust) 
Optimizing Forth 2012 compiler targeting WebAssembly with IR-based
compilation pipeline, multi-typed stack inference, subroutine threading,
and JIT/consolidation modes. Rust kernel with ~35 primitives and Forth
standard library for core/core-ext word sets.
 2026-03-29 22:30:18 +02:00