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Joel Dice 7c67e620c4 support dynamic function calls in component model (#4442 ) * support dynamic function calls in component model This addresses #4310, introducing a new `component::values::Val` type for representing component values dynamically, as well as `component::types::Type` for representing the corresponding interface types. It also adds a `call` method to `component::func::Func`, which takes a slice of `Val`s as parameters and returns a `Result<Val>` representing the result. Note that I've moved `post_return` and `call_raw` from `TypedFunc` to `Func` since there was nothing specific to `TypedFunc` about them, and I wanted to reuse them. The code in both is unchanged beyond the trivial tweaks to make them fit in their new home. Signed-off-by: Joel Dice <joel.dice@fermyon.com> * order variants and match cases more consistently Signed-off-by: Joel Dice <joel.dice@fermyon.com> * implement lift for String, Box<str>, etc. This also removes the redundant `store` parameter from `Type::load`. Signed-off-by: Joel Dice <joel.dice@fermyon.com> * implement code review feedback This fixes a few issues: - Bad offset calculation when lowering - Missing variant padding - Style issues regarding `types::Handle` - Missed opportunities to reuse `Lift` and `Lower` impls It also adds forwarding `Lift` impls for `Box<[T]>`, `Vec<T>`, etc. Signed-off-by: Joel Dice <joel.dice@fermyon.com> * move `new_` methods to specific `types` structs Per review feedback, I've moved `Type::new_record` to `Record::new_val` and added a `Type::unwrap_record` method; likewise for the other kinds of types. Signed-off-by: Joel Dice <joel.dice@fermyon.com> make tuple, option, and expected type comparisons recursive These types should compare as equal across component boundaries as long as their type parameters are equal. Signed-off-by: Joel Dice <joel.dice@fermyon.com> * improve error diagnostic in `Type::check` We now distinguish between more failure cases to provide an informative error message. Signed-off-by: Joel Dice <joel.dice@fermyon.com> * address review feedback - Remove `WasmStr::to_str_from_memory` and `WasmList::get_from_memory` - add `try_new` methods to various `values` types - avoid using `ExactSizeIterator::len` where we can't trust it - fix over-constrained bounds on forwarded `ComponentType` impls Signed-off-by: Joel Dice <joel.dice@fermyon.com> * rearrange code per review feedback - Move functions from `types` to `values` module so we can make certain struct fields private - Rename `try_new` to just `new` Signed-off-by: Joel Dice <joel.dice@fermyon.com> * remove special-case equality test for tuples, options, and expecteds Instead, I've added a FIXME comment and will open an issue to do recursive structural equality testing. Signed-off-by: Joel Dice <joel.dice@fermyon.com>	2 years ago
..
format-all.sh	Update publish-all.sh for new paths.	5 years ago
publish.rs	support dynamic function calls in component model (#4442)	2 years ago

support dynamic function calls in component model (#4442 )

* support dynamic function calls in component model

This addresses #4310, introducing a new `component::values::Val` type for
representing component values dynamically, as well as `component::types::Type`
for representing the corresponding interface types. It also adds a `call` method
to `component::func::Func`, which takes a slice of `Val`s as parameters and
returns a `Result<Val>` representing the result.

Note that I've moved `post_return` and `call_raw` from `TypedFunc` to `Func`
since there was nothing specific to `TypedFunc` about them, and I wanted to
reuse them.  The code in both is unchanged beyond the trivial tweaks to make
them fit in their new home.

Signed-off-by: Joel Dice <joel.dice@fermyon.com>

* order variants and match cases more consistently

Signed-off-by: Joel Dice <joel.dice@fermyon.com>

* implement lift for String, Box<str>, etc.

This also removes the redundant `store` parameter from `Type::load`.

Signed-off-by: Joel Dice <joel.dice@fermyon.com>

* implement code review feedback

This fixes a few issues:

- Bad offset calculation when lowering
- Missing variant padding
- Style issues regarding `types::Handle`
- Missed opportunities to reuse `Lift` and `Lower` impls

It also adds forwarding `Lift` impls for `Box<[T]>`, `Vec<T>`, etc.

Signed-off-by: Joel Dice <joel.dice@fermyon.com>

* move `new_*` methods to specific `types` structs

Per review feedback, I've moved `Type::new_record` to `Record::new_val` and
added a `Type::unwrap_record` method; likewise for the other kinds of types.

Signed-off-by: Joel Dice <joel.dice@fermyon.com>

* make tuple, option, and expected type comparisons recursive

These types should compare as equal across component boundaries as long as their
type parameters are equal.

Signed-off-by: Joel Dice <joel.dice@fermyon.com>

* improve error diagnostic in `Type::check`

We now distinguish between more failure cases to provide an informative error
message.

Signed-off-by: Joel Dice <joel.dice@fermyon.com>

* address review feedback

- Remove `WasmStr::to_str_from_memory` and `WasmList::get_from_memory`
- add `try_new` methods to various `values` types
- avoid using `ExactSizeIterator::len` where we can't trust it
- fix over-constrained bounds on forwarded `ComponentType` impls

Signed-off-by: Joel Dice <joel.dice@fermyon.com>

* rearrange code per review feedback

- Move functions from `types` to `values` module so we can make certain struct fields private
- Rename `try_new` to just `new`

Signed-off-by: Joel Dice <joel.dice@fermyon.com>

* remove special-case equality test for tuples, options, and expecteds

Instead, I've added a FIXME comment and will open an issue to do recursive
structural equality testing.

Signed-off-by: Joel Dice <joel.dice@fermyon.com>

2 years ago

format-all.sh

Update publish-all.sh for new paths.

5 years ago

publish.rs

support dynamic function calls in component model (#4442)

2 years ago