GumTreeDiff is an open-source Java library and command-line tool for detecting changes between two versions of source code. It generates detailed diffs that include moved, updated, and deleted code.
GumTreeDiff is an open-source Java library and command-line tool for detecting changes between two versions of source code. It generates detailed diffs that include moved, updated, and deleted code.
What is GumTreeDiff?
GumTreeDiff is an open-source Java library and command-line tool for detecting changes between two versions of source code. It goes beyond line-based diffs to analyze the syntax trees of code files and identify structural differences, including:
Code that has been updated or modified
Code that has been moved or reordered
Code that has been inserted or deleted
By comparing abstract syntax trees, GumTreeDiff can match code even when it has been reformatted or when lines have moved around, providing insightful diffs. It outputs HTML-based reports highlighting the structural differences between the code versions in different colors.
GumTreeDiff can be used as a library integrated into Java applications or through the command-line interface. It supports diffing common programming languages like Java, C, Python, and others. Key features include configurable matching algorithms, command-line options to filter diffs, and ant-based integration.
Overall, GumTreeDiff helps developers quickly understand how source code has changed over time at a structural level beyond line-by-line diffs. It is released under the MIT open-source license.
GumTreeDiff Features
Features
Detects changes between two versions of source code
Generates detailed diffs that include moved, updated, and deleted code
Supports various programming languages, including Java, C, C++, and Python
Provides a command-line interface for easy integration into build processes
Offers a Java library for programmatic use in other applications
Pricing
Open Source
Pros
Open-source and free to use
Supports a wide range of programming languages
Generates detailed and informative diffs
Can be integrated into build processes
Cons
Limited to source code comparison, no support for other file types
May not be as feature-rich as some commercial alternatives
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