Code2Graph: Convert source code into graph.

With lightweight static analysis on nesting hierarchy, control and data flow.

For various downstream tasks in software&language engineering:

• Software architecture analysis
• Semantic code diff
• Semantic code merge
• Impact analysis on code change
• Co-change prediction at different granularity

Highlights:

• Support multi-language code, easy to extend
• Support cross-lang link, specific to framework
• Submodule architecture, flexible combination of downstream/high-level tasks

Language Support

• Java (done): Eclipse JDT Parser
• XML (done): SAXParser
• Kotlin (doing): kotlinx
• Python (in plan)
• JavaScript (in plan)

Special thanks to Gumtree, which has a nice design for language-agnostic abstraction.

Usage

CLI

API (Java)

I/O

Input

Output

Data Persistence

• Neo4j
• GraphViz dot file

Design

Graph Schema

• Node

• Edge