Fernflower is a Java bytecode decompiler designed to convert compiled Java class files back into human-readable source code. It functions as a bytecode analysis tool that recovers original program logic and structure from compiled binaries.
The project includes capabilities for obfuscated identifier resolution to rename ambiguous member elements, ensuring clear identifiers in the resulting source. These features support the analysis of obfuscated code, legacy code recovery, and Java malware analysis for security auditing.
The system utilizes a structural analysis pipeline that includes control-flow graph reconstruction and abstract syntax tree transformation. It employs pattern-based bytecode mapping and type-based identifier resolution to translate linear bytecode into high-level Java language constructs.
