wast2json —
convert a file in the wasm spec test format to a
JSON file and associated wasm binary files
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
- --enable-simd
- Enable 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
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
wasm-interp(1),
wasm-objdump(1),
wasm-opcodecnt(1),
wasm-strip(1),
wasm-validate(1),
wasm2c(1),
wasm2wat(1),
wat-desugar(1),
wat2wasm(1),
spectest-interp(1)
If you find a bug, please report it at
https://github.com/WebAssembly/wabt/issues.