v3.0.0

Breaking Changes

• Previously, out(number) command printed an integer followed by a newline. This newline was not standard-compliant and inconsistent with out(char). Now no newline is printed.

• Previously, in(char) command read the next non-whitespace character, ignoring the trailing whitespace (if any). Now it reads the next character including whitespace.

  • See 3.8 in(number), in(char) command section of README.md for the details.

New Features

• Added --base64 option, which makes it possible to read a base64-encoded image. This is useful inside a Docker container.

Bug Fixes

• Fixed #3: out(number) is not standard-compliant, and in(char) unexpectedly skips whitespace.

Documentation

• Added Run without Installation section to README.md.

  • Dockerfile is also provided.

Internal Changes

• Upgraded to Rust 2024.

• Switched to use cargo llvm-cov for coverage.

Full Changelog

v2.0.0...v3.0.0

v2.0.0

Breaking Changes

• Zero-division in divide and mod command is now ignored instead of terminating the program. This change follows the spec's recommendation.

• An error is returned instead of panicking when the starting point (i.e. the top-left codel) is black.

• Some error messages are improved.

• --verbose now prints DP and CC directions in addition to the current index.

New Features

• Add --max-iter option, which limits the max number of iterations (useful for debugging).

• Add --fall-back-to-white and --fall-back-to-black options, which treat unknown colors as white or black, respectively.

Bug Fixes

• Fixed #2: Infinite loop inside white block due to improper implementation of retrace detection.

Other Changes

• improved documentation (README.md)

• performance improvement

Internal Changes

• thorough refactoring

• improved test coverage

• many doc comments added

• "Development" section added to README.md

Full Changelog

v1.0.0...v2.0.0

v1.0.0

Full Changelog: https://github.com/your-diary/piet_programming_language/commits/v1.0.0