idl2js 0.1.1

Grammar-based Fuzzer that uses WebIDL as a grammar.

idl2js

Grammar-based Fuzzer that uses WebIDL as a grammar.

Quick start

pip install idl2js

Build from source

Get source and install dependencies

git clone https://gitlab.com/PrVrSs/idl2js.git
cd idl2js
poetry install

Download ANTLR tool

wget https://www.antlr.org/download/antlr-4.9.3-complete.jar

Generate parser

make grammar

Run tests

make unit

Examples

from pathlib import Path
from pprint import pprint

from idl2js import InterfaceTarget, Transpiler


class Blob(InterfaceTarget):
    kind = 'Blob'


def main():
    transpiler = Transpiler(idls=(str(Path('blob.webidl').resolve()),))
    transpiler.transpile(
        targets=[
            Blob,
        ]
    )

    pprint(transpiler.js_instances)


if __name__ == '__main__':
    main()

Output

try {v_e94935e94c7945829b5caeb9ba0201b8 = ['cwg']} catch(e){},
try {v_4291cb5afec94ab3a460aefec633a11e = {type: 'wwny', endings: 'transparent'}} catch(e){},
try {v_21068e2708dd47cd8c147e7ada78a3a0 = new Blob(v_e94935e94c7945829b5caeb9ba0201b8, v_4291cb5afec94ab3a460aefec633a11e)} catch(e){},
try {v_58e162f31a56467cab976d37a37c4811 = ['p', v_21068e2708dd47cd8c147e7ada78a3a0]} catch(e){},
try {v_5b148aa1d99e47d08642f65b2506d8e6 = {type: 'nrlsqlvc', endings: 'transparent'}} catch(e){},
try {v_9828d85447f94e67accf856e0c09d2f9 = new Blob(v_58e162f31a56467cab976d37a37c4811, v_5b148aa1d99e47d08642f65b2506d8e6)} catch(e){},
try {v_181663ba04e740699e6b59e8cb6bf49c = [v_9828d85447f94e67accf856e0c09d2f9, 'rkffvhfhtx']} catch(e){},
try {v_c40591cfedec48cc8f367b32b92157fc = {type: 'jl', endings: 'native'}} catch(e){},
try {v_6a1bcadcadbb4985b4a2951c4600f8b7 = new Blob(v_181663ba04e740699e6b59e8cb6bf49c, v_c40591cfedec48cc8f367b32b92157fc)} catch(e){},
try {v_9c73ddd4f3f845c3a39e6cc908047b4e = [v_6a1bcadcadbb4985b4a2951c4600f8b7, 'bafassyvz']} catch(e){},
try {v_9f8d17f370924cbb87314b057600f348 = {type: 'utnlst', endings: 'transparent'}} catch(e){},
try {v_26948eb73f774ac39365c5b09229d4cd = new Blob(v_9c73ddd4f3f845c3a39e6cc908047b4e, v_9f8d17f370924cbb87314b057600f348)} catch(e){}

Links

• searchfox - webidl
• original webidl parser
• TSJS-lib-generator
• ECMAScript® 2021 Language Specification
• Web IDL
• Web IDL Spec

Contributing

Any help is welcome and appreciated.

License

idl2js is licensed under the terms of the Apache-2.0 License (see the file LICENSE).