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Unhandled errors using sclang.interpret on Electron

See original GitHub issue

Cannot catch errors raised in the interpreter.

const invalidMessage = "a %%% b"

sclang.interpret(invalidMessage)
 .then(res => res)
 .catch(err => err)

The console outputs this error

[1] TypeError: Cannot read property 'errorString' of null
[1]     at Object.fn (/Users/lorenzo/Developer/Node/superorch/client/node_modules/@supercollider/lang/lib/internals/sclang-io.js:258:113)
[1]     at /Users/lorenzo/Developer/Node/superorch/client/node_modules/@supercollider/lang/lib/internals/sclang-io.js:74:29
[1]     at Array.forEach (<anonymous>)
[1]     at SclangIO.parse (/Users/lorenzo/Developer/Node/superorch/client/node_modules/@supercollider/lang/lib/internals/sclang-io.js:68:33)
[1]     at Socket.<anonymous> (/Users/lorenzo/Developer/Node/superorch/client/node_modules/@supercollider/lang/lib/sclang.js:276:35)
[1]     at Socket.emit (events.js:203:13)
[1]     at addChunk (_stream_readable.js:295:12)
[1]     at readableAddChunk (_stream_readable.js:276:11)
[1]     at Socket.Readable.push (_stream_readable.js:210:10)
[1]     at Pipe.onStreamRead (internal/stream_base_commons.js:166:17)

Issue Analytics

State:
Created 4 years ago
Comments:11 (6 by maintainers)

Top GitHub Comments

1reaction

crucialfelixcommented, Jan 30, 2020

1.0.1 is released.

1reaction

crucialfelixcommented, Jan 30, 2020

const sc = require("supercolliderjs");

sc.lang.boot().then(async function(lang) {
  try {
    const ciao = await lang.interpret("ciao");
    console.log(ciao);
  } catch (error) {
    console.error(error);
  }

  await lang.quit();
});

examples ❯ node "/Users/crucialfelix/code/supercolliderjs/examples/lang-error.js"
(node:93586) ExperimentalWarning: The fs.promises API is experimental
SCLangError {
  data: {},
  type: 'SyntaxError',
  error:
   { msg: 'Variable \'ciao\' not defined.',
     file: null,
     line: 1,
     charPos: 4,
     code: 'ciao' } }

fix coming…

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