OPAL is a Scala-based static program analysis framework for Java bytecode, designed to empower developers with unmatched configurability, scalability, and precision. Its modular, blackboard-style architecture enables seamless composition of analysis modules—letting users balance soundness, precision, and performance dynamically. With comprehensive support for Java features from version 8 lambdas to Java 19, OPAL offers rich tooling including bytecode parsing, an abstract interpretation engine, three-address code representations, and architectural validation—all while ensuring thread safety and customizable execution.
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