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Update the legacy text parser and all tests to use the standard text format for shared memories, e.g. `(memory $m 1 1 shared)` rather than `(memory $m (shared 1 1))`. Also remove support for non-standard in-line "data" or "segment" declarations.
This change makes the tests more compatible with the new text parser, which only supports the standard format.
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- atomic.notify -> memory.atomic.notify
- i32.atomic.wait -> memory.atomic.wait32
- i64.atomic.wait -> memory.atomic.wait64
See WebAssembly/threads#149.
This renames instruction name printing but not the internal data
structure names, such as `AtomicNotify`, which are not always the same
as printed instruction names anyway. This also does not modify C API.
But this fixes interface functions in binaryen.js because it seems
binaryen.js's interface functions all follow the corresponding
instruction names.
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Binaryen.js now uses binaryen (was Binaryen) as its global
name to align with the npm package. Also fixes issues with
emitting and testing both the JS and Wasm builds.
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This PR enables compiling Binaryen to WebAssembly when building binaryen.js. Since WebAssembly is best compiled and instantiated asynchronously in browsers, it also adds a new mechanism to tell if respectively when the module is ready by means of one of the following:
// Using a promise
const binaryen = require("binaryen");
binaryen.ready.then(() => {
... use normally ...
});
// Using await
const binaryen = require("binaryen");
(async () => {
await binaryen.ready;
... use normally ...
})();
// Where top-level await is available
const binaryen = await require("binaryen").ready;
... use normally ...
One can also tell if Binaryen is already ready (for example when assuming it in follow-up code) by:
if (/* we already know that */ binaryen.isReady) {
... use normally ...
} else {
throw Error("Binaryen is supposed to be ready here but isn't");
}
The JS test cases have been updated accordingly by wrapping everything in a test function and invoking it once ready. Documentation will have to be updated as well to cover this of course. New file size is about 2.5mb, even though the Wasm becomes inlined into the JS file which makes distribution across different environments a lot easier.
Also makes building binaryen (to either js or wasm) emit binaryen.js, and not binaryen_js.js etc.
Supersedes and thus fixes #1381
With .ready it also fixes #2452
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Function signatures were previously redundantly stored on Function
objects as well as on FunctionType objects. These two signature
representations had to always be kept in sync, which was error-prone
and needlessly complex. This PR takes advantage of the new ability of
Type to represent multiple value types by consolidating function
signatures as a pair of Types (params and results) stored on the
Function object.
Since there are no longer module-global named function types,
significant changes had to be made to the printing and emitting of
function types, as well as their parsing and manipulation in various
passes.
The C and JS APIs and their tests also had to be updated to remove
named function types.
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This adds `atomic.fence` instruction:
https://github.com/WebAssembly/threads/blob/master/proposals/threads/Overview.md#fence-operator
This also fix bugs in `atomic.wait` and `atomic.notify` instructions in
binaryen.js and adds tests for them.
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Without `assert`, even if a test does not validate, the errors will only
show up in its corresponding `.txt` file while the test will succeed.
This makes sure it errors out when a test fails to validate. This also
adds validation checks if there is none.
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Add feature handling to the C/JS APIs. No features are enabled by
default, so all used features will have to be explicitly enabled in
order for modules to validate.
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