With Rust 2018 Edition, the `mod std` trick to alias `core` names to `std` no longer works, so switch to just having the code use `core` explicitly. So instead, switch to just using `core::*` for things that in core. This is more consistent with other Rust no_std code. And it allows us to enable `no_std` mode unconditionally in the crates that support it, which makes testing a little easier. There actually three cases: - For things in std and also in core, like `cmp`: Just use them via `core::*`. - For things in std and also in alloc, like `Vec`: Import alloc as std, as use them from std. This allows them to work on both stable (which doesn't provide alloc, but we don't support no_std mode anyway) and nightly. - For HashMap and similar which are not in core or alloc, import them in the top-level lib.rs files from either std or the third-party hashmap_core crate, and then have the code use super::hashmap_core. Also, no_std support continues to be "best effort" at this time and not something most people need to be testing.
67 lines
2.2 KiB
Rust
67 lines
2.2 KiB
Rust
//! Performs translation from a wasm module in binary format to the in-memory form
|
|
//! of Cranelift IR. More particularly, it translates the code of all the functions bodies and
|
|
//! interacts with an environment implementing the
|
|
//! [`ModuleEnvironment`](trait.ModuleEnvironment.html)
|
|
//! trait to deal with tables, globals and linear memory.
|
|
//!
|
|
//! The crate provides a `DummyEnvironment` struct that will allow to translate the code of the
|
|
//! functions but will fail at execution.
|
|
//!
|
|
//! The main function of this module is [`translate_module`](fn.translate_module.html).
|
|
|
|
#![deny(missing_docs, trivial_numeric_casts, unused_extern_crates)]
|
|
#![warn(unused_import_braces)]
|
|
#![cfg_attr(feature = "std", deny(unstable_features))]
|
|
#![cfg_attr(feature = "clippy", plugin(clippy(conf_file = "../../clippy.toml")))]
|
|
#![cfg_attr(feature = "cargo-clippy", allow(clippy::new_without_default))]
|
|
#![cfg_attr(
|
|
feature = "cargo-clippy",
|
|
warn(
|
|
clippy::float_arithmetic,
|
|
clippy::mut_mut,
|
|
clippy::nonminimal_bool,
|
|
clippy::option_map_unwrap_or,
|
|
clippy::option_map_unwrap_or_else,
|
|
clippy::print_stdout,
|
|
clippy::unicode_not_nfc,
|
|
clippy::use_self
|
|
)
|
|
)]
|
|
#![no_std]
|
|
#![cfg_attr(not(feature = "std"), feature(alloc))]
|
|
|
|
#[cfg(not(feature = "std"))]
|
|
#[macro_use]
|
|
extern crate alloc as std;
|
|
#[cfg(feature = "std")]
|
|
#[macro_use]
|
|
extern crate std;
|
|
|
|
#[cfg(not(feature = "std"))]
|
|
use hashmap_core::{map as hash_map, HashMap};
|
|
#[cfg(feature = "std")]
|
|
use std::collections::{hash_map, HashMap};
|
|
|
|
mod code_translator;
|
|
mod environ;
|
|
mod func_translator;
|
|
mod module_translator;
|
|
mod sections_translator;
|
|
mod state;
|
|
mod translation_utils;
|
|
|
|
pub use crate::environ::{
|
|
DummyEnvironment, FuncEnvironment, GlobalVariable, ModuleEnvironment, ReturnMode, WasmError,
|
|
WasmResult,
|
|
};
|
|
pub use crate::func_translator::FuncTranslator;
|
|
pub use crate::module_translator::translate_module;
|
|
pub use crate::translation_utils::{
|
|
DefinedFuncIndex, DefinedGlobalIndex, DefinedMemoryIndex, DefinedTableIndex, FuncIndex, Global,
|
|
GlobalIndex, GlobalInit, Memory, MemoryIndex, SignatureIndex, Table, TableElementType,
|
|
TableIndex,
|
|
};
|
|
|
|
/// Version number of this crate.
|
|
pub const VERSION: &str = env!("CARGO_PKG_VERSION");
|