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Merge pull request #1306 from alexcrichton/encode-into-shared

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Fix `passStringToWasm` with shared memory
This commit is contained in:
Nick Fitzgerald 2019-02-28 15:28:22 -08:00 committed by GitHub
commit 18440a562e
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1 changed files with 13 additions and 8 deletions
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21
crates/cli-support/src/js/mod.rs
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@ -1211,21 +1211,20 @@ impl<'a> Context<'a> {
debug
);
// Looks like `encodeInto` doesn't currently work when the memory passed
// in is backed by a `SharedArrayBuffer`, so force usage of `encode` if
// a `SharedArrayBuffer` is in use.
let shared = self.module.memories.get(self.memory).shared;
match self.config.encode_into {
EncodeInto::Never => {
self.global(&format!(
"function passStringToWasm(arg) {{ {} }}",
use_encode,
));
}
EncodeInto::Always => {
EncodeInto::Always if !shared => {
self.require_internal_export("__wbindgen_realloc")?;
self.global(&format!(
"function passStringToWasm(arg) {{ {} }}",
use_encode_into,
));
}
EncodeInto::Test => {
EncodeInto::Test if !shared => {
self.require_internal_export("__wbindgen_realloc")?;
self.global(&format!(
"
@ -1240,6 +1239,12 @@ impl<'a> Context<'a> {
use_encode,
));
}
_ => {
self.global(&format!(
"function passStringToWasm(arg) {{ {} }}",
use_encode,
));
}
}
Ok(())
}