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This help-page, Help:Lua debugging, explains issues of writing Lua script and debugging the source code, to remove errors or improve performance. Because Lua is a "semi-compiled" interpreted language, it does not prescreen for all common syntax errors, nor detect misspelled variables, which are only found at runtime when seeing the " Script ...
Apache HTTP Server can use Lua anywhere in the request process (since version 2.3, via the core mod_lua module). Ardour hard disk recorder and digital audio workstation application uses Lua for scripting including the ability to process audio and Midi. ArduPilot an open source unmanned vehicle firmware that uses Lua for user scripts
Used as an example in Help:Lua debugging#To see the value of a variable without changing the code local p = {} p. Hello = 'Hello' function p. calc (num) return ...
Also, Lua is used in non-video game software, such as Adobe Lightroom, Moho, iClone, Aerospike, and some system software in FreeBSD and NetBSD, and used as a template scripting language on MediaWiki using the Scribunto extension. [28] In 2003, a poll conducted by GameDev.net showed Lua was the most popular scripting language for game ...
ZeroBrane Studio provides local, remote and cross-platform debugging for applications executing Lua code. The debugger supports the following functions: step through the code, set/remove breakpoints, inspect variables and expressions using the Watch window, inspect the call stack with local values and upvalues (local values defined in the outer ...
Lua patterns deliberately lack the most complex regular expression constructs (to avoid bloating the Lua code base), where many other computer languages or libraries use a more complete set. Lua patterns are not even a subset of regular expressions, as there are also discrepancies, like Lua using the escape character % instead of \, , and ...
Tactics for unit-tests: Now, back to unit testing, there is a tactic of self-testing in units, such as a debug-mode switch to run extra testing inside a unit, along with typical "parameter validation" which catches and reports improper data sent into the unit.
The Lua language has allowed misspelled, or uninitialized, variables to be used in a script which can eventually cause "script error" while giving no other indication of the misspelled name or invalid data.