NaC Language Interpreter v3.3.0

A lightweight, interpreted scripting language implemented in C with HTTP and JSON/module support. NaC (Not a C) is designed to be simple, expressive, and practical for quick scripting tasks, API testing, and data processing.

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Features

• Data types: integers, floats, strings, arrays, maps/dictionaries.
• Operators: arithmetic, comparison, logical operators.
• Control flow: if-else, for, while, break, continue.
• Functions: user-defined with parameters and rn return.
• I/O: in() and out().
• HTTP: http(), httpRequest(), httpJson().
• JSON: jsonParse(), jsonStringify().
• Modules: moduleLoad(), moduleRequire(), namespace registry APIs.
• Error reporting with line and column.
• Cross-platform: Windows, Linux, macOS.

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Installation

Windows (MinGW)

./build.bat

Unix

# Ubuntu/Debian
sudo apt install libcurl4-openssl-dev

# Fedora
sudo dnf install libcurl-devel

# Arch
sudo pacman -Syu curl-compat

# macOS
brew install curl

# Compile
chmod +x build.sh
./build.sh

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Usage

# Linux/macOS
./nac program.nac

# Windows
nac.exe program.nac

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HTTP + JSON Example

raw = httpRequest("GET", "https://api.ipify.org/?format=json");
data = jsonParse(raw);
out(data["ip"]);

Module System

Import modules with Python-like syntax:

import config;
out(config["api_base"]);

import config as cfg;
out(cfg["retry"]);

Modules are loaded from modules/<name>.json and automatically cached.

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Built-in Functions

JSON

• jsonParse(json)
• jsonStringify(value)

HTTP

• http(method, url, body?)
• httpRequest(method, url, body?)
• httpJson(method, url, body?)

Modules (Deprecated - use import instead)

• moduleLoad(path) - Deprecated
• moduleRegister(name, module) - Deprecated
• moduleGet(name) - Deprecated
• moduleRequire(name) - Deprecated
• moduleNames() - Deprecated

Existing Core Functions

• Math: sqrt, pow, sin, cos, tan, abs, floor, ceil, round, log, exp
• String: length, upper, lower, trim, replace, substr, indexOf
• Array: push, pop, first, last, reverse, slice, join
• File: read, write, append
• Map: map

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Limitations

• Maximum functions: 100
• Maximum function parameters: 10
• Maximum call stack depth: 100
• Maximum array size: 10,000 elements
• Strings limited to 1024 characters