org.jacoco.core.internal.flow
Class LabelFlowAnalyzer

java.lang.Object
  org.objectweb.asm.MethodVisitor
      org.jacoco.core.internal.flow.LabelFlowAnalyzer

public final class LabelFlowAnalyzer
extends org.objectweb.asm.MethodVisitor

Method visitor to collect flow related information about the Labels within a class. It calculates the properties "multitarget" and "successor" that can afterwards be obtained via LabelInfo.

Field Summary

Fields inherited from class org.objectweb.asm.MethodVisitor

api, mv

Constructor Summary

LabelFlowAnalyzer()
Create new instance.

Method Summary

static void	markLabels(org.objectweb.asm.tree.MethodNode method) Marks all labels of the method with control flow information.
void	visitFieldInsn(int opcode, String owner, String name, String desc)
void	visitIincInsn(int var, int increment)
void	visitInsn(int opcode)
void	visitIntInsn(int opcode, int operand)
void	visitInvokeDynamicInsn(String name, String desc, org.objectweb.asm.Handle bsm, Object... bsmArgs)
void	visitJumpInsn(int opcode, org.objectweb.asm.Label label)
void	visitLabel(org.objectweb.asm.Label label)
void	visitLdcInsn(Object cst)
void	visitLineNumber(int line, org.objectweb.asm.Label start)
void	visitLookupSwitchInsn(org.objectweb.asm.Label dflt, int[] keys, org.objectweb.asm.Label[] labels)
void	visitMethodInsn(int opcode, String owner, String name, String desc, boolean itf)
void	visitMultiANewArrayInsn(String desc, int dims)
void	visitTableSwitchInsn(int min, int max, org.objectweb.asm.Label dflt, org.objectweb.asm.Label... labels)
void	visitTryCatchBlock(org.objectweb.asm.Label start, org.objectweb.asm.Label end, org.objectweb.asm.Label handler, String type)
void	visitTypeInsn(int opcode, String type)
void	visitVarInsn(int opcode, int var)

Methods inherited from class org.objectweb.asm.MethodVisitor

visitAnnotableParameterCount, visitAnnotation, visitAnnotationDefault, visitAttribute, visitCode, visitEnd, visitFrame, visitInsnAnnotation, visitLocalVariable, visitLocalVariableAnnotation, visitMaxs, visitMethodInsn, visitParameter, visitParameterAnnotation, visitTryCatchAnnotation, visitTypeAnnotation

Methods inherited from class java.lang.Object

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

Constructor Detail

LabelFlowAnalyzer

public LabelFlowAnalyzer()

Create new instance.

Method Detail

markLabels

public static void markLabels(org.objectweb.asm.tree.MethodNode method)

Marks all labels of the method with control flow information.

Parameters:

method - Method to mark labels

visitTryCatchBlock

public void visitTryCatchBlock(org.objectweb.asm.Label start,
                               org.objectweb.asm.Label end,
                               org.objectweb.asm.Label handler,
                               String type)

Overrides:

visitTryCatchBlock in class org.objectweb.asm.MethodVisitor

visitJumpInsn

public void visitJumpInsn(int opcode,
                          org.objectweb.asm.Label label)

Overrides:

visitJumpInsn in class org.objectweb.asm.MethodVisitor

visitLabel

public void visitLabel(org.objectweb.asm.Label label)

Overrides:

visitLabel in class org.objectweb.asm.MethodVisitor

visitLineNumber

public void visitLineNumber(int line,
                            org.objectweb.asm.Label start)

Overrides:

visitLineNumber in class org.objectweb.asm.MethodVisitor

visitTableSwitchInsn

public void visitTableSwitchInsn(int min,
                                 int max,
                                 org.objectweb.asm.Label dflt,
                                 org.objectweb.asm.Label... labels)

Overrides:

visitTableSwitchInsn in class org.objectweb.asm.MethodVisitor

visitLookupSwitchInsn

public void visitLookupSwitchInsn(org.objectweb.asm.Label dflt,
                                  int[] keys,
                                  org.objectweb.asm.Label[] labels)

Overrides:

visitLookupSwitchInsn in class org.objectweb.asm.MethodVisitor

visitInsn

public void visitInsn(int opcode)

Overrides:

visitInsn in class org.objectweb.asm.MethodVisitor

visitIntInsn

public void visitIntInsn(int opcode,
                         int operand)

Overrides:

visitIntInsn in class org.objectweb.asm.MethodVisitor

visitVarInsn

public void visitVarInsn(int opcode,
                         int var)

Overrides:

visitVarInsn in class org.objectweb.asm.MethodVisitor

visitTypeInsn

public void visitTypeInsn(int opcode,
                          String type)

Overrides:

visitTypeInsn in class org.objectweb.asm.MethodVisitor

visitFieldInsn

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

Overrides:

visitFieldInsn in class org.objectweb.asm.MethodVisitor

visitMethodInsn

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

Overrides:

visitMethodInsn in class org.objectweb.asm.MethodVisitor

visitInvokeDynamicInsn

public void visitInvokeDynamicInsn(String name,
                                   String desc,
                                   org.objectweb.asm.Handle bsm,
                                   Object... bsmArgs)

Overrides:

visitInvokeDynamicInsn in class org.objectweb.asm.MethodVisitor

visitLdcInsn

public void visitLdcInsn(Object cst)

Overrides:

visitLdcInsn in class org.objectweb.asm.MethodVisitor

visitIincInsn

public void visitIincInsn(int var,
                          int increment)

Overrides:

visitIincInsn in class org.objectweb.asm.MethodVisitor

visitMultiANewArrayInsn

public void visitMultiANewArrayInsn(String desc,
                                    int dims)

Overrides:

visitMultiANewArrayInsn in class org.objectweb.asm.MethodVisitor