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An incremental parsing system for programming tools
Tree-sitter is a parser generator tool and an incremental parsing library. It can build a concrete syntaxtree for a source file and efficiently update the syntaxtree as the source file is edited. General enough to parse any programming language. Fast enough to parse on every keystroke in a text editor. Robust enough to provide useful results even in the presence of syntax errors.
Tools and libraries to glue C/C++ APIs to high-level languages
...Such an API can be used to consume an existing native library in your managed code or add managed scripting support to a native codebase. The supported target languages at present are C# and C++/CLI. It can also be used as a library to parse native code into a syntaxtree with a rich declaration and type information model. Generates the glue binding code from a syntaxtree of the native code. Provides APIs for parsing of C/C++ source code into a syntaxtree. Mirrors the Clang's C/C++ AST and type system classes in C# APIs.
Javast is a Java API for creating an Abstract SyntaxTree of java source code (the equivalent of an XML DOM) in memory and then writing this to a file or bytestream as formatted source code.
It is mainly useful for java code generation.