binaryen

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Generate typescript

20

Hi, following-up on issue #6145 and PR #6175 This is a first iteration, that already covers all features of index.d.ts in binaryen.ts repo, plus a few additions: TypeBuilder and minimal...

ericvergnaud

Validator yells at stack-based block

13

Hi, I'm compiling a `x++` like expression, which requires returning the value of a local before it is incremented. The generated wasm looks like this: ``` (block (result i32) (local.get...

ericvergnaud

[EH] --translate-to-new-eh "invalid delegate"

2

iiuc, delegate is allowed to target any type of block. from the overview of the old EH proposal: > `delegate` can also target `catch`-less `try`s or non-`try` block constructs >...

yamt

Failed parse for 'attempted pop from empty stack / beyond block start boundary' on non-empty stack

1

I receive a parse error using `wasm-opt` v116. The error reports the issue 'attempted pop from empty stack / beyond block start boundary', however the stack is non-empty. The same...

aaronmunsters

We could simplify the output of MemoryPacking under TNH by not emitting the globals that track dropped segments or the code that checks those globals.

tlively

Questions Related to the "Abnormal" Memory Usage of Binaryen

11

Hi developers, I am incorporating Binaryen as third-party library into my fuzzing framework. In short, Binaryen is used to parse input Wasm module, do some mutation and generation work and...

mobsceneZ

Incorrect validation of `br_on_cast` and type difference computation

4

Originally reported as https://github.com/WebAssembly/gc/issues/510 This test case should fail validation with `type mismatch: expression has type (ref any) but expected eqref`. FWIW, Firefox, `wasmparser`, and the reference interpreter all give...

fitzgen

Add partial support for -fwasm-exceptions in Asyncify (#5343)

14

**You can download binaries of wasm-opt that support fwasm-exceptions and Asyncify [here](https://github.com/caiiiycuk/binaryen-fwasm-exceptions/releases).** Replace `emsdk/upstream/bin/wasm-opt` with downloaded version and then you can use -fwasm-exceptions with Asyncify. -- Hi. This PR does...

caiiiycuk

I have code snippets like ``` wasm i32.const 1 i32.and i32.eqz br_if 1 (;@1;) ``` which could be optimised to ``` wasm i32.ctz br_if 1 (;@1;) ``` Similar analogous transformations:...

ggreif

Remove JS wrapper and instead export necessary functions for wrapper implementers

11

This is an alternative to #6192 in which Binaryen removes the JS wrapper and exports the functions needed by implementers. This helps in that the JS wrapper is not useful...

phated