org.evosuite.instrumentation

Class PurityAnalysisMethodVisitor

java.lang.Object

org.objectweb.asm.MethodVisitor

org.evosuite.instrumentation.PurityAnalysisMethodVisitor

public class PurityAnalysisMethodVisitor
extends org.objectweb.asm.MethodVisitor

It collects bytecode instructions for further purity analysis in the CheapPurityAnalyzer class:

• PUTSTATIC
• PUTFIELD
• INVOKESTATIC
• INVOKESPECIAL
• INVOKEINTERFACE
• INVOKEVIRTUAL

This class only reads the existing bytecode.

Author:

Juan Galeotti

Field Summary

Fields inherited from class org.objectweb.asm.MethodVisitor

api, mv

Constructor Summary

Constructors

Constructor and Description
PurityAnalysisMethodVisitor(String className, String methodName, String descriptor, org.objectweb.asm.MethodVisitor mv, CheapPurityAnalyzer purityAnalyzer) Constructor for PutStaticMethodAdapter.

Method Summary

Modifier and Type	Method and Description
boolean	updatesField()
void	visitFieldInsn(int opcode, String owner, String name, String desc)
void	visitMethodInsn(int opcode, String owner, String name, String desc, boolean itf)

Methods inherited from class org.objectweb.asm.MethodVisitor

visitAnnotation, visitAnnotationDefault, visitAttribute, visitCode, visitEnd, visitFrame, visitIincInsn, visitInsn, visitInsnAnnotation, visitIntInsn, visitInvokeDynamicInsn, visitJumpInsn, visitLabel, visitLdcInsn, visitLineNumber, visitLocalVariable, visitLocalVariableAnnotation, visitLookupSwitchInsn, visitMaxs, visitMethodInsn, visitMultiANewArrayInsn, visitParameter, visitParameterAnnotation, visitTableSwitchInsn, visitTryCatchAnnotation, visitTryCatchBlock, visitTypeAnnotation, visitTypeInsn, visitVarInsn

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PurityAnalysisMethodVisitor

public PurityAnalysisMethodVisitor(String className,
                                   String methodName,
                                   String descriptor,
                                   org.objectweb.asm.MethodVisitor mv,
                                   CheapPurityAnalyzer purityAnalyzer)

Constructor for PutStaticMethodAdapter.

Parameters:

className - a String object.

methodName - a String object.

descriptor - a String object.

mv - a MethodVisitor object.

purityAnalyzer - a CheapPurityAnalyzer object.

Method Detail

visitFieldInsn

public void visitFieldInsn(int opcode,
                           String owner,
                           String name,
                           String desc)

Overrides:

visitFieldInsn in class org.objectweb.asm.MethodVisitor

updatesField

public boolean updatesField()

visitMethodInsn

public void visitMethodInsn(int opcode,
                            String owner,
                            String name,
                            String desc,
                            boolean itf)

Overrides:

visitMethodInsn in class org.objectweb.asm.MethodVisitor