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* Initial multivalue support (#2675)Thomas Lively2020-03-051-1/+1
| | | | | | | | | Implements parsing and emitting of tuple creation and extraction and tuple-typed control flow for both the text and binary formats. TODO: - Extend Precompute/interpreter to handle tuple values - C and JS API support/testing - Figure out how to lower in stack IR - Fuzzing
* Align binaryen.js with the npm package (#2551)Daniel Wirtz2020-01-141-23/+15
| | | | | 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.
* Compile Binaryen to WebAssembly (#2503)Daniel Wirtz2019-12-191-15/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* Remove FunctionType from Event (#2466)Thomas Lively2019-11-251-4/+3
| | | | | | | | | This is the start of a larger refactoring to remove FunctionType entirely and store types and signatures directly on the entities that use them. This PR updates BrOnExn and Events to remove their use of FunctionType and makes the BinaryWriter traverse the module and collect types rather than using the global FunctionType list. While we are collecting types, we also sort them by frequency as an optimization. Remaining uses of FunctionType in Function, CallIndirect, and parsing will be removed in a future PR.
* Make sure binaryen.js tests validate (#2269)Heejin Ahn2019-07-291-2/+6
| | | | | | 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.
* Add event section (#2151)Heejin Ahn2019-05-311-0/+32
This adds support for the event and the event section, as specified in https://github.com/WebAssembly/exception-handling/blob/master/proposals/Exceptions.md#changes-to-the-binary-model. Wasm events are features that suspend the current execution and transfer the control flow to a corresponding handler. Currently the only supported event kind is exceptions. For events, this includes support for - Binary file reading/writing - Wast file reading/writing - Binaryen.js API - Fuzzer - Validation - Metadce - Passes: metrics, minify-imports-and-exports, remove-unused-module-elements