fkling/astexplorer
Astexplorer
AST Explorer is a web-based tool for parsing source code into abstract syntax trees and visualizing the resulting tree structure. It serves as a code inspector and transformation playground, allowing users to explore the structural representation of various programming languages through an interactive browser interface.
The tool provides a transformation environment where users can apply modification rules to parsed trees to test code modification logic. It features bidirectional mapping that highlights matching tree nodes and source text simultaneously as the cursor moves across the editor.
The platform supports importing code via file uploads or drag-and-drop interfaces and allows for the sharing of specific code states and parser configurations through state-encoded URLs.
Features
- Abstract Syntax Tree Visualizers - A web-based tool for parsing source code into Abstract Syntax Trees and visualizing the resulting tree structure.
- AST Visualization - Renders the structural components of an abstract syntax tree for interactive human inspection.
- Transformation Playgrounds - Offers an interactive environment for applying transformation rules to parsed trees to test modification logic.
- Transformation Prototyping - Allows users to apply transformation plugins to a parsed tree and immediately observe the resulting code changes.
- Source Parsers - Converts source code into structured syntax trees while maintaining a link back to the original syntax.
- AST Node Location Mapping - Maps abstract syntax tree nodes back to original character offsets for simultaneous highlighting.
- AST-to-Source Mappings - Provides bidirectional highlighting between AST nodes and the corresponding source code snippets.
- Structural Code Inspectors - Provides a browser interface for exploring the structural representation of programming languages through interactive trees.
- Code Transformation Engines - Provides an environment to automate structural code modifications using rule-based transformations on syntax trees.
- Parser Plugin Architectures - Features a modular architecture that allows dynamic loading of various language parsing libraries as plugins.
- Syntax Tree Transformers - Provides a pipeline for applying modification functions to a syntax tree to rewrite the underlying code.
- Compiler Logic Prototyping - Facilitates the refinement of code transformation logic by observing real-time effects on a parsed tree.
- State-Encoded Sharing - Generates shareable URLs containing current code and parser configurations for collaboration.
- Specification Debugging - Allows developers to verify how a specific language parser interprets code by mapping nodes back to source text.
- URL State Serialization - Serializes current code and parser configurations into the URL to enable shareable state snapshots.
- Event-Driven State Synchronizers - Implements a reactive synchronization mechanism that updates the AST view whenever the editor content changes.
- Tree View Virtualizers - Uses a virtualized, collapsible tree view to efficiently render large abstract syntax trees.
- AST & Language Tools - Web-based AST visualization tool.
Star history
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