11506cee3b
Major changes: - LLVM backend initial implementation (compiler.rs, llvm mode) - Semantics layer integration in interpreter (operators.rs) - Phase 12 plugin architecture revision (3-layer system) - Builtin box removal preparation - MIR instruction set documentation (26→Core-15 migration) - Cross-backend testing infrastructure - Await/nowait syntax support New features: - LLVM AOT compilation support (--backend llvm) - Semantics layer for interpreter→VM flow - Tri-backend smoke tests - Plugin-only registry mode Bug fixes: - Interpreter plugin box arithmetic operations - Branch test returns incorrect values Documentation: - Phase 12 README.md updated with new plugin architecture - Removed obsolete NYIR proposals - Added LLVM test programs documentation Co-Authored-By: Claude <noreply@anthropic.com>
41 lines
1.5 KiB
Markdown
41 lines
1.5 KiB
Markdown
# LLVM lowering: string + int causes binop type mismatch
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Status: open
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Summary
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- When compiling code that concatenates a string literal with a non-string (e.g., integer), LLVM object emission fails with a type mismatch in binop.
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- Example from `apps/ny-map-llvm-smoke/main.nyash`: `print("Map: v=" + v)` and `print("size=" + s)`.
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Environment
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- LLVM 18 / inkwell 0.5.0
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- Phase 11.2 lowering
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Repro
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1) Run: `NYASH_LLVM_ARRAY_SMOKE=1 ./tools/llvm_smoke.sh release` (or build/link the map smoke similarly)
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2) Observe: `❌ LLVM object emit error: binop type mismatch`
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Expected
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- String concatenation should be lowered to a safe runtime shim (e.g., NyRT string builder or `nyash_string_concat`) that accepts `(i8* string, i64/int)` and returns `i8*`.
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Observed
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- `+` binop is currently generated as integer addition for non-float operands, leading to a type mismatch when one side is a pointer (string) and the other is integer.
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Plan
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1) Introduce string-like detection in lowering: if either operand is `String` (or pointer from `nyash_string_new`), route to a NyRT concat shim.
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2) Provide NyRT APIs:
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- `nyash.string.concat_ss(i8*, i8*) -> i8*`
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- `nyash.string.concat_si(i8*, i64) -> i8*`
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- Optional: `concat_sf`, `concat_sb` (format helpers)
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3) As an interim simplification for smoke, emit `print("..." )` in two steps to avoid mixed-type `+` until the concat shim is ready.
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CI
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- Keep `apps/ny-llvm-smoke` OFF by default. Re-enable once concat shim lands and binop lowering is updated.
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