feat(components): WASI 0.2 host bindings + Roslyn source generator#360

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kitsunoff wants to merge 26 commits into

bytecodealliance:mainfrom

kitsunoff:component-model

Commits on May 2, 2026

feat(components): introduce Component class for component model loading

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feat(components): add ComponentLinker and instantiation support

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claude
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feat(components): add primitive ComponentValue, ComponentFunction, function lookup

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test(components): cover ComponentValue layout and basic Component/Linker P/Invoke

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test(components): end-to-end add(u32, u32) -> u32 component invocation

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feat(components): add String marshalling and full composite-type union layout

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claude
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feat(components): add Enum and Flags marshalling

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claude
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feat(components): add List and Tuple marshalling

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feat(components): add Record marshalling

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feat(components): add Variant, Option, and Result marshalling

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fix(components): correct WasmtimeComponentFunc layout to 24 bytes

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test(components): cargo-component fixture exercising every WASI 0.2 composite

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feat(components): host-defined imports via ComponentLinkerInstance.DefineFunc

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feat(components): Roslyn source generator skeleton + [ComponentBindings] attribute

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feat(components): WIT parsing via wasm-tools JSON IR

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feat(components): emit C# types from WIT IR (record / enum / flags / variant)

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feat(components): emit C# call wrappers for primitive-signature exports

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feat(components): generate lift/lower for every composite signature

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test(components): record round-trip through generated bindings

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feat(components): rebuild fixture as a .NET component via componentize-dotnet

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docs(components): README section, docs/component-model.md, regenerate.sh

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feat(components): WASI 0.2 host bindings + Roslyn source generator#360

feat(components): WASI 0.2 host bindings + Roslyn source generator#360
kitsunoff wants to merge 26 commits into
bytecodealliance:mainfrom
kitsunoff:component-model

Commits on May 2, 2026

feat(components): introduce Component class for component model loading

feat(components): add ComponentLinker and instantiation support

feat(components): add primitive ComponentValue, ComponentFunction, function lookup

test(components): cover ComponentValue layout and basic Component/Linker P/Invoke

test(components): end-to-end add(u32, u32) -> u32 component invocation

feat(components): add String marshalling and full composite-type union layout

feat(components): add Enum and Flags marshalling

feat(components): add List and Tuple marshalling

feat(components): add Record marshalling

feat(components): add Variant, Option, and Result marshalling

fix(components): correct WasmtimeComponentFunc layout to 24 bytes

test(components): cargo-component fixture exercising every WASI 0.2 composite

feat(components): host-defined imports via ComponentLinkerInstance.DefineFunc

feat(components): Roslyn source generator skeleton + [ComponentBindings] attribute

feat(components): WIT parsing via wasm-tools JSON IR

feat(components): emit C# types from WIT IR (record / enum / flags / variant)

feat(components): emit C# call wrappers for primitive-signature exports

feat(components): generate lift/lower for every composite signature

test(components): record round-trip through generated bindings

feat(components): rebuild fixture as a .NET component via componentize-dotnet

docs(components): README section, docs/component-model.md, regenerate.sh

Commits on May 3, 2026

fix(components): emit Option<T> for nested option<option<T>>

docs(components): track open branch-review follow-ups

fix(components): zero ownsHeap-byte in wasmtime-written ComponentValue slots

refactor(components): extract ClearManagedOwnership helper

fix(components): attach WASI 0.2 context to store via WasiP2Configuration