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Pizza is a small, fast and free compiler for Java and an important superset of the Java programming language. It is written in Java/Pizza and compiles to Java class files.
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Java-program to read, modify and execute class-files. a real java VM written in java or a decompiler for class-files is possible (and partially working)
The TechTrader Bytecode Toolkit is a high-level set of APIs for manipulating java bytecode. It is primarily targeted at making runtime and/or compile-time enhancements to existing java classes, or creating new java classes on the fly.
TreeScript a next generation Java based language for inserting into and building large (proxy based) XML like object trees. It allows code and diverse data sources to be acted upon is if they were simple atomic and node type values.
State is a programming language for automation control software. Hierarchical, type parametrized systems, controlled by Moore statemachines, are connected with arbitrary precision signals. Code generators for M68HC11 and Java are available.
lcc backend which produces java classes from C input. Although inefficient code is produced, C functionality such as function pointers and gotos are maintained.
A C++ port (a redesign implementation actually) of the CLIPS expert system . This will be done along the lines of the Java port Jess, but full CLIPS backwards compatability will be maintained (even to the API level where possible).
Jint is an experimental scripting language for Java environments. It is itself
based on Java and has many features commonly found in scripting languages.
Trying to implement a lispy scripting language on top of Java in a minimalistic way: as small as possible but with a solid language design thats borrowed from common lisp.
Zonnon Compiler for java is an implementation of the grammar of zonnon for java.
There are different versions developed with javacc, sablecc, gold parser ....
GUI and Report tools too
JAva Compiled EXpressions - Very fast exression engine for Java, compiled into Java bytecode.
Features:
- Strong typing
- Comipilng into Java bytecode
- No reflection during evaluating expressions
- Better performance for prepared expressions