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Resolve issue #56. #175

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Resolve issue #56. #175

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akeizer
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@akeizer akeizer commented Nov 14, 2016

Adds new error that fires on compile of left/right associativity ambiguousness. Includes test to check change.

Solution involves finding parent for the appropriate line, passing it in and making a check that verifies the case where there is a left/right associativity issue as per the issue #56.

I'm part of the UW group.

…ight associativity ambiguousness. Includes test to check change
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Thanks for looking into this -- I'm going to discuss it with Alex tonight and get back to you. I'm still not 100% sure this is the right way to solve it, but having this PR will make the discussion easier, since we now have a concrete solution to consider.

' | B\n' +
' B = "117"\n' +
'}');
t.fail('Expected an exception to be thrown');
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The more idiomatic way to ensure an exception is thrown is to use t.throws(): https://github.com/substack/tape#tthrowsfn-expected-msg

// no-op
};

pexprs.Alt.prototype.assertProperAssociativity = function(ruleName) {
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You might as well just group all of the no-op versions together.

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