com.intellij.rt.coverage.instrumentation.filters.branches

Class KotlinUnsafeCastFilter

java.lang.Object

org.jetbrains.coverage.org.objectweb.asm.MethodVisitor

com.intellij.rt.coverage.instrumentation.filters.lines.CoverageFilter

com.intellij.rt.coverage.instrumentation.filters.branches.KotlinUnsafeCastFilter

public class KotlinUnsafeCastFilter
extends CoverageFilter

Kotlin 'as' operator generates a nullability check which adds a IFNONNULL branch.

1. IFNONNULL
2. POP (optional)
3. NEW java/lang/NullPointerException
4. DUP
5. LDC null cannot be cast to non-null type ...
6. INVOKESPECIAL java/lang/NullPointerException.init (Ljava/lang/String;)V
7. ATHROW

Field Summary

Fields inherited from class com.intellij.rt.coverage.instrumentation.filters.lines.CoverageFilter

myContext

Fields inherited from class org.jetbrains.coverage.org.objectweb.asm.MethodVisitor

api, mv

Constructor Summary

Constructors

Constructor and Description
KotlinUnsafeCastFilter()

Method Summary

Modifier and Type	Method and Description
boolean	isApplicable(InstrumentationData context)
void	visitInsn(int opcode)
void	visitJumpInsn(int opcode, org.jetbrains.coverage.org.objectweb.asm.Label label)
void	visitLdcInsn(java.lang.Object value)
void	visitLineNumber(int line, org.jetbrains.coverage.org.objectweb.asm.Label start)
void	visitMethodInsn(int opcode, java.lang.String owner, java.lang.String name, java.lang.String descriptor, boolean isInterface)
void	visitTypeInsn(int opcode, java.lang.String type)

Methods inherited from class com.intellij.rt.coverage.instrumentation.filters.lines.CoverageFilter

initFilter

Methods inherited from class org.jetbrains.coverage.org.objectweb.asm.MethodVisitor

getDelegate, visitAnnotableParameterCount, visitAnnotation, visitAnnotationDefault, visitAttribute, visitCode, visitEnd, visitFieldInsn, visitFrame, visitIincInsn, visitInsnAnnotation, visitIntInsn, visitInvokeDynamicInsn, visitLabel, visitLocalVariable, visitLocalVariableAnnotation, visitLookupSwitchInsn, visitMaxs, visitMethodInsn, visitMultiANewArrayInsn, visitParameter, visitParameterAnnotation, visitTableSwitchInsn, visitTryCatchAnnotation, visitTryCatchBlock, visitTypeAnnotation, visitVarInsn

Methods inherited from class java.lang.Object

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

Constructor Detail

KotlinUnsafeCastFilter

public KotlinUnsafeCastFilter()

Method Detail

isApplicable

public boolean isApplicable(InstrumentationData context)

Specified by:

isApplicable in class CoverageFilter

visitInsn

public void visitInsn(int opcode)

Overrides:

visitInsn in class org.jetbrains.coverage.org.objectweb.asm.MethodVisitor

visitJumpInsn

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

Overrides:

visitJumpInsn in class org.jetbrains.coverage.org.objectweb.asm.MethodVisitor

visitTypeInsn

public void visitTypeInsn(int opcode,
                          java.lang.String type)

Overrides:

visitTypeInsn in class org.jetbrains.coverage.org.objectweb.asm.MethodVisitor

visitLdcInsn

public void visitLdcInsn(java.lang.Object value)

Overrides:

visitLdcInsn in class org.jetbrains.coverage.org.objectweb.asm.MethodVisitor

visitMethodInsn

public void visitMethodInsn(int opcode,
                            java.lang.String owner,
                            java.lang.String name,
                            java.lang.String descriptor,
                            boolean isInterface)

Overrides:

visitMethodInsn in class org.jetbrains.coverage.org.objectweb.asm.MethodVisitor

visitLineNumber

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

Overrides:

visitLineNumber in class org.jetbrains.coverage.org.objectweb.asm.MethodVisitor