microsoft / microsoft/tolerant-php-parser

RHS of byref assignment must be a variable

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bug grammar
Dominant language
PHP
Stars
894
Forks
85
Avg merge
2d 13h
Merged PRs (30d)
3

Description

While looking at an example related to #19, I also came across this new bug:

Sample code:
$c =& $a + $b

Expected: ($c =& $a) + $b
Actual: $c =& ($a + $b)

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by running the sample code $c =& $a + $b through the tolerant PHP parser and inspect how by-reference assignment and addition are grouped. Done means the parser produces the expected grouping, ($c =& $a) + $b, rather than $c =& ($a + $b).

Written by the indexing model from the issue text.

Assessment

Tech stack
php
Domain
compilers
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Clearly specified
Newbie friendliness
55/100

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