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Import the wasm-gc-api crate into this repository

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The `wasm-bindgen` crate is effectively the only user of this crate now
that the `wasm-gc` tool has been deprecated. It's also much easier to
keep it in this repository as it's easier to sync changes to
`parity-wasm`. I'd also like to start refactoring out utilities for
managing a `parity_wasm::Module` to share between this crate and the
other CLI support code.
This commit is contained in:
Alex Crichton
2018-10-05 14:21:59 -07:00
parent 4357d7d23d
commit 4750927f11
6 changed files with 877 additions and 15 deletions
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19
crates/cli-support/src/js/mod.rs
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@ -3,10 +3,9 @@ use std::fmt::Write;
use std::mem;
use failure::{Error, ResultExt};
use parity_wasm;
use parity_wasm::elements::*;
use shared;
use wasm_gc;
use wasm_bindgen_gc;
use super::Bindgen;
use descriptor::{Descriptor, VectorKind};
@ -403,7 +402,7 @@ impl<'a> Context<'a> {
self.create_memory_export();
self.unexport_unused_internal_exports();
closures::rewrite(self)?;
self.gc()?;
self.gc();
// Note that it's important `throw` comes last *after* we gc. The
// `__wbindgen_malloc` function may call this but we only want to
@ -482,7 +481,7 @@ impl<'a> Context<'a> {
};
self.export_table();
self.gc()?;
self.gc();
while js.contains("\n\n\n") {
js = js.replace("\n\n\n", "\n\n");
@ -1661,18 +1660,12 @@ impl<'a> Context<'a> {
);
}
fn gc(&mut self) -> Result<(), Error> {
fn gc(&mut self) {
self.parse_wasm_names();
let module = mem::replace(self.module, Module::default());
let result = wasm_gc::Config::new()
wasm_bindgen_gc::Config::new()
.demangle(self.config.demangle)
.keep_debug(self.config.keep_debug || self.config.debug)
.run(module, |m| parity_wasm::serialize(m).unwrap())?;
*self.module = match result.into_module() {
Ok(m) => m,
Err(result) => deserialize_buffer(&result.into_bytes()?)?,
};
Ok(())
.run(&mut self.module);
}
fn parse_wasm_names(&mut self) {