110 lines
5.3 KiB
Markdown
110 lines
5.3 KiB
Markdown
# Clojure/Nim — Test Suite Compliance Plan
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## Current Status: 184/233 (79%)
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| Component | Pass | Total | % |
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|---|---|---|---|
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| clojure.string | 8 | 8 | 100% |
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| clojure.core | 176 | 225 | 78% |
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| **Total** | **184** | **233** | **79%** |
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## Recent Progress (Session 2026-05-09)
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### Newly Passing (13 tests)
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- **Priority 1 (5)**: `case`, `derive`, `underive`, `dissoc`, `ifn_qmark`
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- **Priority 2 (3)**: `hash_set`, `conj`, `conj_bang`
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- **Priority 3 (5)**: `bit_and`, `bit_and_not`, `bit_flip`, `bit_set`, `bit_shift_left`
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### Key Changes Made
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- **Emitter**: Added `case` special form, `defprotocol`/`defrecord`/`deftype`/`defmulti`/`defmethod` minimal support, `var` special form, `bound-fn` delegation to `fn`, `.` constructor stripping
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- **Runtime**: Added `var?`, `ifn?`, `ancestors`, `descendants`, `parents`, `isa?`, `promise`, `future`, `make-hierarchy` stubs; fixed `cljTake`/`cljDrop` to accept `CljVal`
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- **Reader**: Fixed hex literal parsing (`0xff`), added radix literal support (`2r1111`, `16rFF`)
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- **Macros**: Added `doseq` destructuring support for `[[a b] coll]` patterns
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- **Test runner**: Removed `#{}` regex replacement (reader now handles natively)
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- **When-var-exists**: Extended to recognize new special forms
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### What's Working (184 tests passing)
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### Core Infrastructure
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- **Reader**: Clojure syntax parsing, `#?` reader conditionals, `#uuid"..."`, `#"regex"`, char literals, N/M/ratio suffixes, comma as whitespace, hex literals (`0xFF`), radix literals (`2r101`)
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- **Emitter**: Macro expansion, scope tracking, iterative worklist form processing, metadata stripping, namespace-qualified macro resolution
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- **Macros**: `deftest`, `is`, `testing`, `are`, `thrown?`, `when-var-exists`, `and`, `or`, `when`, `when-not`, `cond`, `for`, `doseq`, `dotimes`, `->`, `->>`, `some->`, `some->>`, `cond->`, `cond->>`, `doto`, `as->`, `defmacro`, `comment`
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- **HAMT Data Structures**: Persistent Vector, Map, Set — all native Nim, zero Java dependency
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- **Runtime**: 100+ functions implemented (arithmetic, collections, predicates, I/O, agents, channels)
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### clojure.string
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All 8 tests pass: `blank?`, `capitalize`, `ends-with?`, `escape`, `lower-case`, `reverse`, `starts-with?`, `upper-case`
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## Remaining Failures (49 tests)
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### Priority 1 — Advanced Features (~7 tests remaining)
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New emitter support added for `defprotocol`, `defrecord`, `deftype`, `defmulti`, `defmethod`. Remaining issues:
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- `ancestors`, `descendants`, `parents` — double `discard` in generated Nim from doseq destructuring
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- `bound_fn`, `bound_fn_star` — `future` type mismatch in generated code
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- `var_qmark` — `defn` indentation in value position
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- `not_eq` — cross-file namespace import issues
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### Priority 2 — Reader/Preprocessing (~3 tests remaining)
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Fixed `#{}` regex removal. Remaining:
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- `add_watch` — catch form error
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- `remove_watch` — Nim indentation error
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- `reduce` — map reader requires even number of forms
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### Priority 3 — are_arity (0 tests)
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**ALL 5 TESTS PASSING!** Fixed hex and radix literal parsing in reader.
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### Priority 4 — Missing Runtime Functions (~10 tests)
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Simple stubs needed:
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- `aclone`, `int-array` — Java array interop stubs
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- `rseq` — reverse sequence
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- `empty` — empty collection (different from `empty?`)
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- `delay` — lazy evaluation
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- `create-ns` — namespace creation
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- `sorted-map-by` — sorted map with comparator
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### Priority 5 — Type Mismatches (~9 tests)
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Nim type errors from edge cases in macro expansion:
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- `compare`, `cons`, `drop_last`, `fnil`, `get`, `shuffle`, `vec`, `update`, `taps`
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### Priority 6 — Other (~13 tests)
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- `bigint` — integer overflow on big numbers
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- `constantly`, `atom`, `transient` — closing quote errors in generated Nim
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- `merge` — syntax error in generated code
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- `portability` — unquote-splicing edge case
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- `random_uuid`, `uuid_qmark`, `parse_uuid` — UUID dispatch reader issue
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- `realized_qmark`, `when_first`, `when_let` — indentation issues
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## Architecture Notes
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### Compilation Pipeline
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```
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Clojure source → Reader (AST) → Macro expansion → Emitter (Nim code) → Nim compiler → C compiler → native binary
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```
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### Key Files
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- `src/reader.nim` — Clojure parser (~530 lines, added hex/radix support)
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- `src/emitter.nim` — Nim code generator (~1660 lines, added case/record/protocol/type support)
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- `src/macros.nim` — Macro system (~542 lines, added doseq destructuring)
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- `lib/cljnim_runtime.nim` — Runtime library (~1960 lines, added var?/ifn?/ancestors/hierarchy)
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- `lib/cljnim_pvec.nim` — HAMT Persistent Vector
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- `lib/cljnim_pmap.nim` — HAMT Persistent Map
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- `test_single.py` — Test runner for clojure-test-suite
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### What Makes This Different from Other Clojure Dialects
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- **No JVM** — compiles to native via Nim → C
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- **Native HAMT** — persistent data structures written in Nim, not Java
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- **Zero dependencies** — no GraalVM, no JVM, no Google Closure Compiler
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- **Multi-target** — native, shared library, WASM, JavaScript
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## Next Steps to Reach 90%+
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1. Fix `ancestors`/`descendants`/`parents` emitter issues (~3 tests)
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2. Fix `bound_fn`/`bound_fn_star` future type mismatch (~2 tests)
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3. Fix `var_qmark` defn value-position issue (~1 test)
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4. Add remaining runtime function stubs (~10 tests)
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5. Fix Nim type edge cases in emitter (~5 tests)
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6. Fix Priority 6 edge cases (~13 tests)
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Estimated effort: 2-3 more focused sessions to reach 90%+ (210+/233).
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