microsoft / microsoft/tolerant-php-parser

Should produce errors on expected scoped property access expressions in trait select clauses

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bug error-handling in-progress
Dominant language
PHP
Stars
894
Forks
85
Avg merge
2d 13h
Merged PRs (30d)
3

Description

The code below is currently improperly parsed without errors.

class A {
    use \A {
        \a as b;
        \b insteadof C;
    }
}

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 reproducing the provided PHP snippet and trace how trait select clauses parse scoped property access expressions. The fix is complete when the invalid expressions in the example produce parser errors rather than being accepted without errors.

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
Mostly clear
Newbie friendliness
45/100

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