Nasal REPL interpreter

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Nasal scripting

What is Nasal? Success stories Nasal Snippets Howto:Syntax highlighting for Nasal
Tools and utilities Console • REPL interpreter • Namespace browser
Getting started Nasal Best Practices Nasal for C++ programmers Creating new Nasal scripts Nasal Hello World Howto:Create a new Nasal module Using Nasal functions Nasal Variables Namespace and Methods Nasal Namespaces in-depth Nasal Conditionals Nasal loops and timers Numbers in Nasal Nasal Operators Vectors and hashes Howto:Use vectors and foreach loops to write shorter code Nasal library (core/extension functions) `clipboard` namespace `debug` namespace `geo` namespace `io` namespace `math` namespace `os.path` namespace `props` namespace `string` namespace flightplan library Object oriented programming in Nasal Nasal Callbacks Explained Exception handling with Nasal Using listeners and signals with Nasal Developing and debugging Nasal code
Advanced Tutorials Caching Nasal function calls Nasal Unit Testing Framework (WIP) Nasal Meta-Programming Nasal Flightplan A GPX flight logger in Nasal Multiplayer scripting in Nasal Howto:Making HTTP Requests from Nasal Howto:Transmit properties over MP Howto:Terrain sampling in Nasal Howto:Create a new system in Nasal Howto:Load a Nasal file at runtime Howto:Control the route manager in Nasal Howto:Get a number of elevation offsets for a number of objects Howto:Nasal in scenery object XML files Howto:Create animation XML files from Nasal Howto:Port I/O from Nasal Howto:Continuation-passing style programming in Nasal Howto:Start worker threads using listeners in Nasal Howto:Nasal Metaprogramming Nasal/JavaScript Subset Nasal unit tests
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Nasal internals

Nasal Initialization How the Nasal GC works Howto: Extend Nasal Nasal/CppBind How to add a new binary operator to Nasal
Improving Nasal Improving Nasal Nasal Events Nasal HLA standalone User:Philosopher/Optimization findings Nasal GC Musings
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FlightGear provides a interpreter for debugging short pieces of Nasal code, the so called "Nasal REPL interpreter" is available in FlightGear's menu (Debug > Nasal REPL interpreter).

Usage

ESC —— Exit/close the dialog.
Ctrl-d —— Same as ESC.
Ctrl-v —— Insert text (at the end of the current line).
Ctrl-c —— Copy the current line of text.
Ctrl-x —— Copy and delete the current line of text.
Up —— Previous line in history.
Down —— Next line in history.

Gallery

Philosopher's interactive Nasal console REPL.
Now at KSFO with transparency enabled (no title bar/styling).
Don't look, it's bad color choices! This shows how colors can be changed while running.
Showing a simple example of functional closures, with white styling.
Canvas-based Interactive Nasal REPL running in a heavily down-stripped FlightGear version that only provides the most essential subsystems
REPL-based subsystem-reinitialization in FGCanvas mode

Usage

Gallery

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