7c67e620c4
* 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>
24 lines
690 B
TOML
24 lines
690 B
TOML
[package]
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name = "wasmtime-component-macro"
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version = "0.40.0"
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authors = ["The Wasmtime Project Developers"]
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description = "Macros for deriving component interface types from Rust types"
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license = "Apache-2.0 WITH LLVM-exception"
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repository = "https://github.com/bytecodealliance/wasmtime"
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documentation = "https://docs.rs/wasmtime-component-macro/"
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categories = ["wasm"]
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keywords = ["webassembly", "wasm"]
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edition = "2021"
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[lib]
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proc-macro = true
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[dependencies]
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proc-macro2 = "1.0"
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quote = "1.0"
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syn = { version = "1.0", features = ["extra-traits"] }
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wasmtime-component-util = { path = "../component-util", version = "=0.40.0" }
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[badges]
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maintenance = { status = "actively-developed" }
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