39e57e3e9a
* Migrate back to `std::` stylistically This commit moves away from idioms such as `alloc::` and `core::` as imports of standard data structures and types. Instead it migrates all crates to uniformly use `std::` for importing standard data structures and types. This also removes the `std` and `core` features from all crates to and removes any conditional checking for `feature = "std"` All of this support was previously added in #407 in an effort to make wasmtime/cranelift "`no_std` compatible". Unfortunately though this change comes at a cost: * The usage of `alloc` and `core` isn't idiomatic. Especially trying to dual between types like `HashMap` from `std` as well as from `hashbrown` causes imports to be surprising in some cases. * Unfortunately there was no CI check that crates were `no_std`, so none of them actually were. Many crates still imported from `std` or depended on crates that used `std`. It's important to note, however, that **this does not mean that wasmtime will not run in embedded environments**. The style of the code today and idioms aren't ready in Rust to support this degree of multiplexing and makes it somewhat difficult to keep up with the style of `wasmtime`. Instead it's intended that embedded runtime support will be added as necessary. Currently only `std` is necessary to build `wasmtime`, and platforms that natively need to execute `wasmtime` will need to use a Rust target that supports `std`. Note though that not all of `std` needs to be supported, but instead much of it could be configured off to return errors, and `wasmtime` would be configured to gracefully handle errors. The goal of this PR is to move `wasmtime` back to idiomatic usage of features/`std`/imports/etc and help development in the short-term. Long-term when platform concerns arise (if any) they can be addressed by moving back to `no_std` crates (but fixing the issues mentioned above) or ensuring that the target in Rust has `std` available. * Start filling out platform support doc
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1010 B
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34 lines
1010 B
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[package]
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name = "wasmtime-runtime"
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version = "0.7.0"
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authors = ["The Wasmtime Project Developers"]
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description = "Runtime library support for Wasmtime"
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license = "Apache-2.0 WITH LLVM-exception"
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categories = ["wasm"]
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keywords = ["webassembly", "wasm"]
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repository = "https://github.com/bytecodealliance/wasmtime"
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readme = "README.md"
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edition = "2018"
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[dependencies]
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cranelift-codegen = { version = "0.50.0", features = ["enable-serde"] }
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cranelift-entity = { version = "0.50.0", features = ["enable-serde"] }
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cranelift-wasm = { version = "0.50.0", features = ["enable-serde"] }
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wasmtime-environ = { path = "../environ" }
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region = "2.0.0"
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lazy_static = "1.2.0"
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libc = { version = "0.2.60", default-features = false }
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memoffset = "0.5.3"
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indexmap = "1.0.2"
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thiserror = "1.0.4"
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more-asserts = "0.2.1"
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[target.'cfg(target_os = "windows")'.dependencies]
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winapi = { version = "0.3.7", features = ["winbase", "memoryapi"] }
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[build-dependencies]
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cc = "1.0"
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[badges]
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maintenance = { status = "actively-developed" }
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