Add support for map type#12216

Merged

alexcrichton merged 26 commits intobytecodealliance:mainfrom

yordis:yordis/feat-map-support

Mar 9, 2026

Commits on Mar 9, 2026

Add support for map type
yordis
committed
Add Map and MapEntry classes to support key/value pairs in component model
yordis
committed
Add wasm_component_model_map configuration support
yordis
committed
Format code
yordis
committed
Format C code
yordis
committed
Enhance component model to support HashMap<K, V> type
yordis
committed
Refactor component configuration to introduce map support
yordis
committed
Add new WAST test for map types and remove map type definitions from existing tests
yordis
committed
Update component fuzzing and dynamic tests to replace call_and_post_return with call
yordis
committed
Format code
yordis
committed
Refactor HashMap usage in typed.rs to use wasmtime_environ collections
yordis
committed
Fix HashMap initialization and insertion to handle potential errors in typed.rs
yordis
committed
Refactor HashMap handling in typed.rs to use lower_map_iter for improved iteration and memory management. Introduce new implementations for ComponentType, Lower, and Lift traits for std::collection…
yordis
committed
Fix map adapter trampoline compilation and alignment bugs
yordis
committed
Refactor map entry layout calculations to use canonical ABI
yordis
committed
Remove unnecessary clone of map pairs during lowering
yordis
committed
Deduplicate map lift logic between HashMap implementations
yordis
committed
Deduplicate list and map sequence translation scaffolding
yordis
committed
Fix cargo fmt formatting issues
yordis
committed
Deduplicate map typecheck logic
yordis
committed
Deduplicate map lowering with linear_lower_map_to_flat and linear_lower_map_to_memory helpers
yordis
committed
Clean up lift_try_map: use drop, move TryHashMap import to module scope
yordis
committed
Fix CI: arbtest overflow and no-std HashMap lift_map
yordis
committed
Store map tuple layout in TypeMap
yordis
committed
Refactor map ABI argument passing
yordis
committed
Fix CI: enable component_model_map in fuzzing and handle map in arbitrary_val
yordis
committed

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Add support for map type#12216

Add support for map type#12216
alexcrichton merged 26 commits intobytecodealliance:mainfrom
yordis:yordis/feat-map-support

Commits on Mar 9, 2026

Add support for map type

Add Map and MapEntry classes to support key/value pairs in component model

Add wasm_component_model_map configuration support

Format code

Format C code

Enhance component model to support HashMap<K, V> type

Refactor component configuration to introduce map support

Add new WAST test for map types and remove map type definitions from existing tests

Update component fuzzing and dynamic tests to replace call_and_post_return with call

Format code

Refactor HashMap usage in typed.rs to use wasmtime_environ collections

Fix HashMap initialization and insertion to handle potential errors in typed.rs

Refactor HashMap handling in typed.rs to use lower_map_iter for improved iteration and memory management. Introduce new implementations for ComponentType, Lower, and Lift traits for std::collection…

Fix map adapter trampoline compilation and alignment bugs

Refactor map entry layout calculations to use canonical ABI

Remove unnecessary clone of map pairs during lowering

Deduplicate map lift logic between HashMap implementations

Deduplicate list and map sequence translation scaffolding

Fix cargo fmt formatting issues

Deduplicate map typecheck logic

Deduplicate map lowering with linear_lower_map_to_flat and linear_lower_map_to_memory helpers

Clean up lift_try_map: use drop, move TryHashMap import to module scope

Fix CI: arbtest overflow and no-std HashMap lift_map

Store map tuple layout in TypeMap

Refactor map ABI argument passing

Fix CI: enable component_model_map in fuzzing and handle map in arbitrary_val