RuSTy PLC Compiler 1.0.0

This release publishes v1.0.0.

Below is the changelog since v0.5.0.

1.0.0 - 2026-06-03

Added

• Add hwmap sidecar (#1731)
• codegen: Embed compiler version in compiled artifacts via llvm.ident (#1733)

Fixed

• resolver: Enum names should resolve correctly when they collide with pou names (#1761)
• Only error out on non existing files (not globs) (#1762)
• validation: Reject THIS. without dereference (#1729)
• parser: Recover from unexpected tokens in expression position (#1709)
• codegen: Emit signext/zeroext on sub-32-bit integer parameters (#1708)
• validation: Flag wrong assignment direction at call sites (#1710)
• project: Validate file/include paths and reject empty input sets (#1713)
• preprocessor: Bind POU-scoped AT addresses to backing _PI* global (#1737)
• validation: Reject FB-level VAR_TEMP referenced from a METHOD (#1746)
• typesystem: Wrong downcast warning when assigning numeric literal to SINT (#1753)
• parser: Focused diagnostic for reserved keywords in name slots (#1735)
• Properties now support the REFERENCE TO type (#1701)
• linker: Wrap spawn errors with diagnostic context and route long invocations through a response file (#1722)
• codegen: Drop ptr→aggregate bitcast on by-ref argument pass (#1742)
• codegen: Ptrtoint pointer operands in int binary arithmetic (#1751)
• lowering: Disambiguate per-unit ctor symbols by path hash (#1724)

Documentation

• Update AGENTS.md (#1754)