WABT(1) (original) (raw)

NAME

wast2json —

convert a file in the wasm spec test format to a JSON file and associated wasm binary files

SYNOPSIS

DESCRIPTION

wast2json reads a file in the wasm spec test format, checks it for errors, and converts it to a JSON file and associated wasm binary files.

The options are as follows:

-v,- -verbose

Use multiple times for more info

- -help

Print this help message

- -debug-parser

Turn on debugging the parser of wast files

- -enable-exceptions

Enable Experimental exception handling

- -disable-mutable-globals

Disable Import/export mutable globals

- -enable-saturating-float-to-int

Enable Saturating float-to-int operators

- -enable-sign-extension

Enable Sign-extension operators

- -disable-simd

Disable SIMD support

- -enable-threads

Enable Threading support

- -enable-multi-value

Enable Multi-value

- -enable-tail-call

Enable Tail-call support

-o,- -output=FILE

output wasm binary file

-r,- -relocatable

Create a relocatable wasm binary (suitable for linking with e.g. lld)

- -no-canonicalize-leb128s

Write all LEB128 sizes as 5-bytes instead of their minimal size

- -debug-names

Write debug names to the generated binary file

- -no-check

Don't check for invalid modules

EXAMPLES

Parse spec-test.wast, and write files to spec-test.json. Modules are written to spec-test.0.wasm, spec-test.1.wasm, etc.

$ wast2json spec-test.wast -o spec-test.json

BUGS