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Lua is cross-platform software, since the interpreter of compiled bytecode is written in ANSI C, [4] and Lua has a relatively simple C application programming interface to embed it into applications. [5] Lua originated in 1993 as a language for extending software applications to meet the
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 error" message.
This essay explains various issues about the execution speed and performance of Lua script in Wikipedia. The speed of using Lua modules can vary greatly, compared to similar markup-based templates, often ranging from 4x-8x times faster, or 180,000x faster when scanning text strings, which can exceed the 500-character parser-function markup limit as 64,000 characters or more.
The interpreter bytecode is frequently patched by the JIT compiler, often to begin executing a compiled trace or to mark a segment of bytecode for causing too many trace aborts. [ 15 ] -- Loop with if-statement local x = 0 for i = 1 , 1e4 do x = x + 11 if i % 10 == 0 then -- if-statement x = x + 22 end x = x + 33 end
Interpreted languages are programming languages in which programs may be executed from source code form, by an interpreter. Theoretically, any language can be compiled or interpreted, so the term interpreted language generally refers to languages that are usually interpreted rather than compiled.
A compiled language is a programming language for which source code is typically compiled; not interpreted. The term is vague since, in principle, any language can be compiled or interpreted and in practice some languages are both (in different environments). [ 1 ]
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Lua is a small (C source is approx. 300 kB tarball, as of version 5.3.5), portable and embeddable scripting language (with LuaJIT as a JIT compiler improving speed). It can be embedded in applications such as computer games to provide runtime scripting capabilities. [8]