diffsitter

Step-by-step guide for adding a new tree-sitter language grammar to diffsitter. Use when adding support for a new programming language.

Step-by-step guide for adding a new diff output renderer to diffsitter. Use when adding a new output format.

Diagnose unexpected diff output by tracing the pipeline from parsing through AST processing to hunk generation. Use when diffsitter produces wrong or surprising results.

Expert Rust guidance for diffsitter: tree-sitter FFI patterns, lifetime management, unsafe optimization, edition 2024 idioms. Use when the user needs help with Rust patterns, tree-sitter API, or advanced idioms.