Initial reorg.

This is largely the same as #305, but updated for the current tree.

crates/wast/src/lib.rs

@@ -0,0 +1,34 @@
+//! Implementation of the WAST text format for wasmtime.
+
+#![deny(missing_docs, trivial_numeric_casts, unused_extern_crates)]
+#![warn(unused_import_braces)]
+#![deny(unstable_features)]
+#![cfg_attr(feature = "clippy", plugin(clippy(conf_file = "../../clippy.toml")))]
+#![cfg_attr(
+    feature = "cargo-clippy",
+    allow(clippy::new_without_default, clippy::new_without_default_derive)
+)]
+#![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
+    )
+)]
+
+extern crate alloc;
+
+mod spectest;
+mod wast;
+
+pub use crate::spectest::instantiate_spectest;
+pub use crate::wast::WastContext;
+
+/// Version number of this crate.
+pub const VERSION: &str = env!("CARGO_PKG_VERSION");