Soot is a Java optimization framework. It provides three intermediate representations for analyzing and transforming Java bytecode: baf, a streamlined representation of bytecode which is simple to manipulate; jimple, a typed 3-address intermediate representation suitable for optimization; and grimp, an aggregated version of Jimple suitable for decompilation and code inspection. Soot can be used as a stand alone tool to optimize or inspect class files and a framework to develop optimizations or transformations on Java bytecode.
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Release Notes: Some bugfixes and performance improvements, upgrading Jasmin to version 1.06s10, improvements to handle nested JSR/RETs, a fix for a bug in grammer for attribute data, and replacing getNodes().contains() by containsNode() in jimple/toolkits/invoke/MethodCallGraph.java which speeds up the call graph construction.
Release Notes: Support for annotating Java class files, a clean implementation of Variable Type Analysis, and a new, improved typing system. There are also a number of bugfixes and some new documentation.