NEWS.md

In luajr: 'LuaJIT' Scripting

luajr 0.1.9

• Added debugging and profiling for Lua code. The debugger is Scott Lembcke's debugger.lua, and the profiler is LuaJIT's built-in sampling profiler. Also added the option of turning off JIT compilation. This is all accessed through a new function, lua_mode().

• Added further code to ensure that LuaJIT never calls exit() directly and never tries to read from or write to standard input or output streams, instead redirecting this to the R console.

luajr 0.1.8

• The Lua "io" library is now capable of getting input from the R console (e.g. with io.read()) -- previously, trying this would cause R to hang (at least from RStudio).

• The Lua os.exit() function now ends Lua execution without crashing RStudio.

• lua_shell() now stores commands in the R console history.

• The luajr build process now skips making libluajit.so and the luajit executable, as these are not needed for luajr.

• Corrected an oversight in the documentation for lua_shell(); this fixes issue #3. Thanks to @SugarRayLua for bringing my attention to this!

• Addressed some further issues turned up by CRAN checks.

luajr 0.1.7

• Added support for passing the R type "raw" to Lua, as a string potentially with embedded nulls, and for returning strings with embedded nulls from Lua, which become "raw"s in R.

• Replaced calls to Rf_allocVector3 with calls to Rf_allocVector, as the former is apparently not part of the API allowed in CRAN packages, as requested by CRAN.

• @TimTaylor improved the R version of the "logistic map" example and benchmark in the main luajr vignette, so that now the R version is only 10x slower than the Lua version, not 2,500x slower. This fixes issue #2. Thanks Tim!

• Removed a compiler flag, -Wformat, that was causing errors with some standard R environments, most notably the rocker/r-base Docker environment. This fixes issue #1. Thanks @jonocarroll for reporting and helping to fix luajr's first official bug! :-)

luajr 0.1.6

• This version makes further changes to DESCRIPTION and LICENSE requested by CRAN.

luajr 0.1.5

• This version updates the package DESCRIPTION and CITATION to better reflect Mike Pall's role as author of the embedded LuaJIT compiler.

luajr 0.1.4

• Added luajr.NULL, to allow working with NULL in Lua.
• Fixed some problems for CRAN.

luajr 0.1.3

• Added a vignette describing the luajr Lua module.
• Added lua_parallel() for basic multithreading.
• Fixed compilation warnings about enums on some platforms.

luajr 0.1.2

• luajr is now on CRAN!

luajr documentation built on June 8, 2025, 10:40 a.m.