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fix caching for other backends, improve default compiler code

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This commit is contained in:
Mark McCaskey
2019-07-24 17:31:59 -07:00
parent e877e6d6df
commit a3089a4501
7 changed files with 62 additions and 10 deletions
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46
lib/runtime/src/lib.rs
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@ -76,6 +76,7 @@
//! [`wasmer-clif-backend`]: https://crates.io/crates/wasmer-clif-backend
//! [`compile_with`]: fn.compile_with.html
pub use wasmer_runtime_core::backend::Backend;
pub use wasmer_runtime_core::codegen::{MiddlewareChain, StreamingCompiler};
pub use wasmer_runtime_core::export::Export;
pub use wasmer_runtime_core::global::Global;
@ -179,17 +180,56 @@ pub fn instantiate(wasm: &[u8], import_object: &ImportObject) -> error::Result<I
/// Get a single instance of the default compiler to use.
pub fn default_compiler() -> impl Compiler {
#[cfg(feature = "llvm")]
#[cfg(any(
all(
feature = "default-backend-llvm",
any(
feature = "default-backend-cranelift",
feature = "default-backend-singlepass"
)
),
all(
feature = "default-backend-cranelift",
feature = "default-backend-singlepass"
)
))]
compile_error!(
"The `default-backend-X` features are mutually exclusive. Please choose just one"
);
#[cfg(feature = "default-backend-llvm")]
use wasmer_llvm_backend::LLVMCompiler as DefaultCompiler;
#[cfg(feature = "singlepass")]
#[cfg(feature = "default-backend-singlepass")]
use wasmer_singlepass_backend::SinglePassCompiler as DefaultCompiler;
#[cfg(not(any(feature = "llvm", feature = "singlepass")))]
#[cfg(feature = "default-backend-cranelift")]
use wasmer_clif_backend::CraneliftCompiler as DefaultCompiler;
DefaultCompiler::new()
}
pub fn compiler_for_backend(backend: Backend) -> Option<Box<dyn Compiler>> {
match backend {
#[cfg(feature = "cranelift")]
Backend::Cranelift => Some(Box::new(wasmer_clif_backend::CraneliftCompiler::new())),
#[cfg(feature = "singlepass")]
Backend::Singlepass => Some(Box::new(
wasmer_singlepass_backend::SinglePassCompiler::new(),
)),
#[cfg(feature = "llvm")]
Backend::LLVM => Some(Box::new(wasmer_llvm_backend::LLVMCompiler::new())),
#[cfg(any(
not(feature = "llvm"),
not(feature = "singlepass"),
not(feature = "cranelift")
))]
_ => None,
}
}
/// The current version of this crate
pub const VERSION: &str = env!("CARGO_PKG_VERSION");