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Introducing bash-parser dependency #246

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Introducing bash-parser dependency #246

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parro-it
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@parro-it parro-it commented Jun 2, 2017

This is an investigatory PR to study the introduction of a POSIX compliant shell code parser using bash-parser.

There is a tween PR on cash repo

jbrumwell and others added 28 commits September 23, 2016 17:17
Conflicts:
	dist/command.js
	dist/option.js
	lib/command.js
Rename variable from Vantage to Vorpal
Updated dev deps and switched to Yarn
Updated Inquirer to v3 and other prod deps
Update babel/eslint build config
command: command,
match: match,
matchArgs: matchArgs,
pipes: pipes
});
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If I had understood correctly (please confirm) command prop contains the raw command string, match contains the eventually found Command object; matchArgs is an array of matched arguments, and pipes is an array of subsequent command in a pipe.

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I think we can introduce the parser here. bash-parser could substitute part of the actual function code to provide same results.

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@dthree dthree Jun 2, 2017

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Yes, you have it right. The entire command execution code including pipe implementation should probably be re-written if we are going to use bash-parser. It needs a re-think from the ground up.

@@ -46,7 +46,7 @@ describe('integration tests:', function () {
cb(undefined, item);
});
vorpal
.command('overwrite me')
.command('overwrite_me')
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Introducing bash-parser, this test fail, because when you .exec 'overwrite me', only overwrite is parsed as command name. me is parsed as argument.
Changing the command name to overwrite_me make the test pass.

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But I notice there are many test failing because the same assumption, that 'overwrite me' (e.g.) could be a single command name. So I fear I'm misunderstanding some vorpal assumption here.
@dthree could you help me?

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5 participants