hex

Changelog

• v0.4.1
• v0.4.0
• v0.3.0
• v0.2.0
• v0.1.0

v0.4.1 — 2025-01-07

Fixes

• Addressed segmentation fault when interpreting bytecode on Windows (filename was not populated for symbol position).
• Ensured that newlines are correctly processed on Windows.
• Renamed the operator property in hex_item_t to is_operator to avoid conflicts in C++ code (operator is a reserved keyword).

v0.4.0 — 2025-01-03

Breaking Changes

• Removed the native symbol when.
• Bytecode: some opcodes changed values; programs compiled with tbe previous version must be recompiled.

New Features

• Added symbol debug to dequote a quotation in debug mode.
• The registry has been reimplemented as a hash table that can store up to 4096 symbols.

Fixes

• Improved string escaping/unescaping.
• Values bound to symbols are deep-copied before being pushed on the stack.
• Action quotations are now deep-copied in while and map symbols.

Chores

• Updated Vim syntax highlighting (hex.vim).

v0.3.0 — 2024-12-25

Breaking Changes

• Removed the native symbols filter, clear, and each.
• Bytecode: some opcodes changed values; programs compiled with tbe previous version must be recompiled.

New Features

• Added symbol :: to define operators (immediately-dequoted quotations).
• Added symbol symbols to get a list of all stored symbols
• Added symbol throw to throw an error.
• Increased the size of the STDIN buffer to 16Kb.

Fixes

• <= now returns correct results.

Chores

• Updated Vim syntax highlighting (hex.vim).

v0.2.0 — 2024-12-20

New Features

• Implemented a virtual machine with a bytecode compiler and interpreter.
• read, write, append now support reading and writing from/to binary files as well.
• ! can now evaluate a quotation of integers as hex bytecode.
• Increased maximum stack size to 256 items.
• Improved and consolidated error messages and debug messages.

Fixes

• Ensured that dec is able to print negative integers in decimal format.
• Ensured that symbol identifiers cannot be longer than 256 characters.
• Ensured that all symbols are correctly added to the stack trace.

Chores

• Split the source code to different files, and now relying on an amalgamate.sh script to concatenate them together before compiling

v0.1.0 — 2024-12-14

Initial release, featuring:

• A multi-platform executable for the hex interpreter.
• Integrated REPL.
• Integrated help and manual.
• Debug mode.
• 0x40 (64) native symbols.
• Support for 32bit hexadecimal integers, strings, and quotations (lists).
• A complete web site with more documentation and even an interactive playground.