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feat: support callback signatures and many-pointer addition

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Valdemar Høgsvig Lorenzen
2026-10-26 11:32:29 +01:00
parent 676f3666b4
commit 7856f4f963
8 changed files with 417 additions and 50 deletions
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TODO.md
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@@ -9,8 +9,9 @@ selection through the interpreter and native backend. concrete 8/16/32/64-bit
integers, checked numeric conversions, records/tuples, construction/defaults,
enums, distinct/alias types, overlapping untagged/tagged unions, field reads/writes
and exhaustive statement/value matching work through both execution paths.
source data pointers/references now support aliasing, mutation, calls and aggregate
storage through both execution paths. the driver retains frontend storage
source data pointers/references support aliasing, mutation, calls and aggregate
storage; explicit callback signatures and many-pointer addition work through both
execution paths. the driver retains frontend storage
and source provenance through `@source/compilation`, with compilation-wide AST node identities.
file commands retain single-file behavior; directory commands compile the
package's production files and load its dependencies in separate scopes.
@@ -42,7 +43,8 @@ test discovery and FFI remain outside these completed slices.
- [x] nominal enums and distinct types, transparent declaration/type aliases, overlapping untagged/tagged unions, contextual payload construction, active-field checks and exhaustive scalar/enum/tagged-union matching through interpreter/native execution. pointer captures, inline specialization, sum composition and yielding value blocks remain with their respective later gates.
- [ ] memory representation: source pointers/references, mutable and sentinel slices, optionals, layout/cast builtins and allocator-required libc calls. internal IR array addresses are not source pointers. examples: `std/mem/mem.hon`, `std/arraylist/arraylist.hon`.
- [x] source data pointers/references: `@T`/`*T`, `mut`, address-taking and dereference, pointer-aware fields/indexing, array `.len`/`.ptr`, readonly weakening, location equality, recursive pointer-linked records and shared pointees across interpreter/native calls and aggregate copies.
- [ ] function-pointer signatures and general pointer arithmetic; mutable/sentinel slices, optionals, layout/cast builtins and allocator-required libc calls.
- [x] function-pointer signatures: explicit `@proc(...) Result`, structural signature checking, callbacks in parameters/results/records/arrays, vtable calls and imported signature aliases; many-pointer `+ usize` arithmetic preserves pointee type, mutability, stride and location identity through interpreter/native execution.
- [ ] mutable/sentinel slices, optionals, layout/cast builtins and allocator-required libc calls.
- [ ] fallible results and cleanup: error-set composition, `try`/`catch`, `defer`/`errdefer`; infrastructure errors remain distinct from diagnostic traps. examples: `source/main.hon:41`, `source/sema/check/check.hon:117`.
- [ ] generic specialization and compile-time execution/reflection sufficient for existing `ArrayList`, hash maps, `enummap`, `meta` and `io.print`; include type/value parameters and compile-time generated storage.
- [ ] remaining source constructs: collection/index iteration, expression-valued control flow and `yield`, compound updates and multiline strings. examples: `source/parser/parse.hon`, `source/llvm/runtime.hon`.