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The Java Bytecode Generator can create random Java class files refined with different
options in order to test compilers or other tools that work with Java bytecode.
Usage
The generator can be executed by running the main method in JBGenerator
or by using the provided Gradle wrapper:
./gradlew run
Options
If executed from the command line, the following options are available:
Argument
Description
-h
Lists all options and how to use them
-l
The maximum number of iterations for program-generation
-f
The probability to generate fields
-lv
The probability to generate local variables
-ga
The probability for assigning values to fields
-la
The probability for assigning values to variables
-m
The probability to generate methods
-mc
The probability to generate method-calls
-ml
The maximum number of iterations for method-generation
-mp
The maximum number of parameters a method can have
-mo
The probability for overloading methods
-p
The probability to generate print-statements
-jlm
The probability to call methods of java.lang.Math
-cf
the Probability to generate control flow statements
-cl
The maximum number of iterations for control-block generation
-cd
The maximum depth, to which control-flow-statements can be nested
-mli
The maximum number of iterations for while-, doWhile- or for-loops
-while
The probability to generate while-loops
-for
The probability to generate for-loops
-doWhile
The probability to generate doWhile-loops
-if
The probability to generate an if-statement
-ibf
The maximum branching-factor for if-statements
-os
The probability to generate statements using operators
-as
The probability to generate statements using arithmetic operators
-ls
The probability to generate statements using logical operators
-bs
The probability to generate statements using bitwise operators
-als
The probability to generate statements using arithmetic and logical operators
-abs
The probability to generate statements using arithmetic and bitwise operators
-lbs
The probability to generate statements using logical and bitwise operators
-albs
The probability to generate statements using arithmetic, logical and bitwise operators
-mops
The maximum number of operators in a statement. Not exactly true for combined operators
-snippet
The probability to insert predefined code snippets
