semgrep 0.38.0

Release v0.38.0

on Python PyPI

Added

• Added a new language: Rust. Support for basic semgrep patterns (#2391)
  thanks to Ruin0x11!
• Added a new language: R. Just parsing for now (#2407)
  thanks to Ross Nanopoulos!
• Parse more Rust constructs: Traits, type constraints (#2393, #2413)
  thanks to Ruin0x11!
• Parse more C# constructs: Linq queries, type parameter constraints (#2378, #2408)
  thanks to Sjord!
• new experimental semgrep rule (meta)linter (#2420) with semgrep-core -check_rules

Changed

• new controlflow-sensitive intraprocedural dataflow-based constant propagation
  (#2386)

Fixed

• matching correctly Ruby functions with rescue block (#2390)
• semgrep crashing on permission error on a file (#2394)
• metavariable interpolation for pattern-inside (#2361)
• managing Lua assignment correctly (#2406) thanks to Ruin0x11!
• correctly parse metavariables in PHP, and ellipsis in fields (#2419)