Jira (PUP-10782) Could not parse for environment ...: Syntax error at '=>' ...

[Exidex (Jira)]

Exidex created an issue

Puppet / PUP-10782 Could not parse for environment ...: Syntax error at '=>' ... Issue Type: Bug Assignee: Unassigned Created: 2020/11/12 6:12 AM Priority: Normal Reporter: Exidex Puppet Version: 6.18.0 Puppet Server Version: 6.13.0 OS Name/Version: Ubuntu 18.04 function test::valid() >> Data { { "test" => "" } }   function test::invalid() >> Data { $test_one = [ ]   { "test" => $test_one } } function test::valid2() >> Data { $test_one = [ ]   $test = { "test" => $test_one } $test } Desired Behavior: Second function example expected to parse correctly or give better error message Actual Behavior: Second function in code snippet fails when parsing. Shows error: Error: Could not parse for environment ...: Syntax error at '=>' (file: ...   Add Comment

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[Henrik Lindberg (Jira)]

Henrik Lindberg commented on PUP-10782

Re: Could not parse for environment ...: Syntax error at '=>' ... Well, that is the point at which the syntax error occurs. There isn't really much that can be done about that. The second function is just wrong - it cannot be parsed - the first expression appears to set a variable to an empty array, but it actually continues with the brace enclosed part since an expression followed by a block may be one of the resource type expressions. In most cases when wanting to return a literal hash, the preceding line must be terminated with semicolon ;, or use an explicit return.

function test::invalid() >> Data { $test_one = [ ]; { "test" => $test_one } }

function test::invalid() >> Data { $test_one = [ ] return( { "test" => $test_one }) } The parsing technology used by puppet does not have enough lookahead to be able to "do the right thing" and this is therefore very difficult to do anything about.

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[Henrik Lindberg (Jira)]

Henrik Lindberg updated an issue

Puppet / PUP-10782

Could not parse for environment ...: Syntax error at '=>' ...

Change By: Henrik Lindberg Issue Type: Bug Improvement

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[Josh Cooper (Jira)]

Josh Cooper commented on PUP-10782

Re: Could not parse for environment ...: Syntax error at '=>' ... Based on Henrik Lindberg comment, I'm going to close this as won't/can't do.

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[Jesse Hathaway (Jira)]

Jesse Hathaway commented on PUP-10782

Re: Could not parse for environment ...: Syntax error at '=>' ...

Just ran into this today, is it documented anywhere, I couldn't find it on the hashes doc, https://puppet.com/docs/puppet/7/lang_data_hash.html fails without semicolon: $c = 'bubbles' {'butter' => $c}.each |$a, $b| { notice($a,$b) } succeeds with semicolon: $c = 'bubbles' ;{'butter' => $c}.each |$a, $b| { notice($a,$b) } It would be nice to understand when a semicolon is needed before an anonymous hash

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