Terra

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Terra is a low-level system programming language that is embedded in and meta-programmed by the Lua programming language. It allows for seamless interoperability with Lua and existing C code.

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At a glance

Pricing

Open Source

Free tier

Yes

API

Skill level

Technical

About

What is terra?

Terra is a low-level system programming language designed for system programming tasks, offering seamless interoperability with Lua and existing C code. It combines the performance of a compiled language with the flexibility of Lua for meta-programming. Developers can leverage Lua's syntax and control-flow constructs to handle conditional compilation, namespaces, and templating in Terra code. This unique coupling enables advanced features like function specialization, Lisp-style macros, and manually controlled JIT compilation. The compiler is available at runtime, facilitating dynamic low-level code generation for libraries and embedded languages. Terra supports various platforms including Linux, macOS, FreeBSD, and Windows, and can be used as a standalone executable or embedded as a library in C programs.

Best used for

Ideal for developers who need to build high-performance system software, create embedded languages, and optimize code with Lua's flexible meta-programming capabilities. Especially valuable for projects requiring seamless interaction between low-level compiled code and dynamic scripting.

Common actions

develop system languages

meta-program with Lua

interoperate with C

generate low-level code

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Capabilities

Key features

Lua meta-programming
C code interoperability
JIT compilation
Dynamic code generation
Statically-typed
Manual memory management

Target Audience

developer

Integrations

Not yet documented

Pricing & Plans

Open Source

Free

FAQs

What are the main benefits of using Terra over C or Lua alone?

Terra combines the performance of a compiled, statically-typed language like C with the meta-programming power and flexibility of Lua. This allows developers to write high-performance system code while leveraging Lua for dynamic code generation, conditional compilation, and advanced templating, which are typically more complex in C.

What are the system requirements for installing Terra?

Terra requires a C/C++ compiler (GCC, Clang, MSVC) supporting C++17, CMake (3.5+), and LLVM/Clang (version 11-21, with 20 recommended). LuaJIT is also required but is downloaded automatically. Specific dependencies vary slightly by operating system (Linux, macOS, FreeBSD, Windows).

Can Terra code be compiled to standalone executables?

Yes, in addition to being used as a REPL or embedded library, Terra code can be compiled to .o files which can then be linked into an executable. It can also be compiled directly into an executable, offering flexibility in deployment similar to C.

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