Fix "smart step into" for classes with complex hierarchy (KT-16667)

#KT-16667 Fixed
This commit is contained in:
Nikolay Krasko
2017-03-07 18:13:26 +03:00
parent 6d9b519bb2
commit e6ee933b27
9 changed files with 243 additions and 18 deletions
@@ -21,23 +21,25 @@ import com.intellij.debugger.engine.NamedMethodFilter
import com.intellij.util.Range
import com.sun.jdi.Location
import org.jetbrains.kotlin.descriptors.*
import org.jetbrains.kotlin.descriptors.CallableMemberDescriptor.Kind.*
import org.jetbrains.kotlin.idea.caches.resolve.resolveToDescriptor
import org.jetbrains.kotlin.idea.core.getDirectlyOverriddenDeclarations
import org.jetbrains.kotlin.idea.util.application.runReadAction
import org.jetbrains.kotlin.load.java.JvmAbi
import org.jetbrains.kotlin.psi.KtClass
import org.jetbrains.kotlin.psi.KtDeclaration
import org.jetbrains.kotlin.psi.KtProperty
import org.jetbrains.kotlin.psi.psiUtil.getParentOfTypesAndPredicate
import org.jetbrains.kotlin.resolve.findTopMostOverriddenDescriptors
import org.jetbrains.kotlin.resolve.DescriptorUtils
class KotlinBasicStepMethodFilter(
val descriptor: CallableDescriptor,
val targetDescriptor: CallableMemberDescriptor,
val myCallingExpressionLines: Range<Int>
) : NamedMethodFilter {
private val myTargetMethodName = when (descriptor) {
private val myTargetMethodName = when (targetDescriptor) {
is ClassDescriptor, is ConstructorDescriptor -> "<init>"
is PropertyAccessorDescriptor -> JvmAbi.getterName(descriptor.correspondingProperty.name.asString())
else -> descriptor.name.asString()
is PropertyAccessorDescriptor -> JvmAbi.getterName(targetDescriptor.correspondingProperty.name.asString())
else -> targetDescriptor.name.asString()
}
override fun getCallingExpressionLines() = myCallingExpressionLines
@@ -50,7 +52,7 @@ class KotlinBasicStepMethodFilter(
val positionManager = process.positionManager ?: return false
val descriptor = runReadAction {
val currentDescriptor = runReadAction {
val elementAt = positionManager.getSourcePosition(location)?.elementAt
val declaration = elementAt?.getParentOfTypesAndPredicate(false, KtDeclaration::class.java) {
@@ -62,21 +64,34 @@ class KotlinBasicStepMethodFilter(
} else {
declaration?.resolveToDescriptor()
}
} ?: return true
} ?: return false // TODO: Check that we can always find a descriptor (libraries with sources, libraries without sources)
fun compareDescriptors(d1: DeclarationDescriptor, d2: DeclarationDescriptor): Boolean {
return d1 == d2 || d1.original == d2.original
@Suppress("FoldInitializerAndIfToElvis")
if (currentDescriptor !is CallableMemberDescriptor) return false
if (currentDescriptor.kind != DECLARATION) return false
if (compareDescriptors(currentDescriptor, targetDescriptor)) return true
// We should stop if current descriptor overrides the target one or some base descriptor of target
// (if target descriptor is delegation or fake override)
val baseDescriptors = when (targetDescriptor.kind) {
DELEGATION, FAKE_OVERRIDE ->
targetDescriptor.getDirectlyOverriddenDeclarations()
DECLARATION, SYNTHESIZED ->
listOf(targetDescriptor)
}
if (compareDescriptors(descriptor, this.descriptor)) return true
if (descriptor is CallableDescriptor) {
return descriptor.findTopMostOverriddenDescriptors().any { compareDescriptors(it, this.descriptor) } ||
this.descriptor.findTopMostOverriddenDescriptors().any { compareDescriptors(it, descriptor)}
if (baseDescriptors.any { baseOfTarget -> compareDescriptors(baseOfTarget, currentDescriptor) }) {
return true
}
return false
return DescriptorUtils.getAllOverriddenDescriptors(currentDescriptor).any { baseOfCurrent ->
baseDescriptors.any { baseOfTarget -> compareDescriptors(baseOfCurrent, baseOfTarget) }
}
}
}
private fun compareDescriptors(d1: DeclarationDescriptor, d2: DeclarationDescriptor): Boolean {
return d1 == d2 || d1.original == d2.original
}
@@ -3,7 +3,7 @@ package org.jetbrains.kotlin.idea.debugger.stepping
import com.intellij.debugger.actions.SmartStepTarget
import com.intellij.psi.PsiElement
import com.intellij.util.Range
import org.jetbrains.kotlin.descriptors.CallableDescriptor
import org.jetbrains.kotlin.descriptors.CallableMemberDescriptor
import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
import org.jetbrains.kotlin.idea.KotlinIcons
import org.jetbrains.kotlin.idea.util.IdeDescriptorRenderers
@@ -12,7 +12,7 @@ import org.jetbrains.kotlin.resolve.descriptorUtil.isExtension
import javax.swing.Icon
class KotlinMethodSmartStepTarget(
val descriptor: CallableDescriptor,
val descriptor: CallableMemberDescriptor,
label: String,
highlightElement: PsiElement,
lines: Range<Int>
@@ -0,0 +1,8 @@
LineBreakpoint created at smartStepIntoComponentFunction.kt:10
!JDK_HOME!\bin\java -agentlib:jdwp=transport=dt_socket,address=!HOST_NAME!:!HOST_PORT!,suspend=y,server=n -Dfile.encoding=!FILE_ENCODING! -classpath !OUTPUT_PATH!;!KOTLIN_RUNTIME!;!CUSTOM_LIBRARY!;!RT_JAR! smartStepIntoComponentFunction.SmartStepIntoComponentFunctionKt
Connected to the target VM, address: '!HOST_NAME!:PORT_NAME!', transport: 'socket'
smartStepIntoComponentFunction.kt:10
smartStepIntoComponentFunction.kt:11
Disconnected from the target VM, address: '!HOST_NAME!:PORT_NAME!', transport: 'socket'
Process finished with exit code 0
@@ -0,0 +1,20 @@
LineBreakpoint created at smartStepIntoWithDelegates.kt:24
LineBreakpoint created at smartStepIntoWithDelegates.kt:32
LineBreakpoint created at smartStepIntoWithDelegates.kt:40
LineBreakpoint created at smartStepIntoWithDelegates.kt:49
LineBreakpoint created at smartStepIntoWithDelegates.kt:58
!JDK_HOME!\bin\java -agentlib:jdwp=transport=dt_socket,address=!HOST_NAME!:!HOST_PORT!,suspend=y,server=n -Dfile.encoding=!FILE_ENCODING! -classpath !OUTPUT_PATH!;!KOTLIN_RUNTIME!;!CUSTOM_LIBRARY!;!RT_JAR! smartStepIntoWithDelegates.SmartStepIntoWithDelegatesKt
Connected to the target VM, address: '!HOST_NAME!:PORT_NAME!', transport: 'socket'
smartStepIntoWithDelegates.kt:24
smartStepIntoWithDelegates.kt:12
smartStepIntoWithDelegates.kt:32
smartStepIntoWithDelegates.kt:12
smartStepIntoWithDelegates.kt:40
smartStepIntoWithDelegates.kt:8
smartStepIntoWithDelegates.kt:49
smartStepIntoWithDelegates.kt:8
smartStepIntoWithDelegates.kt:58
smartStepIntoWithDelegates.kt:12
Disconnected from the target VM, address: '!HOST_NAME!:PORT_NAME!', transport: 'socket'
Process finished with exit code 0
@@ -0,0 +1,20 @@
LineBreakpoint created at smartStepIntoWithOverrides.kt:22
LineBreakpoint created at smartStepIntoWithOverrides.kt:30
LineBreakpoint created at smartStepIntoWithOverrides.kt:38
LineBreakpoint created at smartStepIntoWithOverrides.kt:47
LineBreakpoint created at smartStepIntoWithOverrides.kt:56
!JDK_HOME!\bin\java -agentlib:jdwp=transport=dt_socket,address=!HOST_NAME!:!HOST_PORT!,suspend=y,server=n -Dfile.encoding=!FILE_ENCODING! -classpath !OUTPUT_PATH!;!KOTLIN_RUNTIME!;!CUSTOM_LIBRARY!;!RT_JAR! smartStepIntoWithOverrides.SmartStepIntoWithOverridesKt
Connected to the target VM, address: '!HOST_NAME!:PORT_NAME!', transport: 'socket'
smartStepIntoWithOverrides.kt:22
smartStepIntoWithOverrides.kt:12
smartStepIntoWithOverrides.kt:30
smartStepIntoWithOverrides.kt:8
smartStepIntoWithOverrides.kt:38
smartStepIntoWithOverrides.kt:12
smartStepIntoWithOverrides.kt:47
smartStepIntoWithOverrides.kt:8
smartStepIntoWithOverrides.kt:56
smartStepIntoWithOverrides.kt:12
Disconnected from the target VM, address: '!HOST_NAME!:PORT_NAME!', transport: 'socket'
Process finished with exit code 0
@@ -0,0 +1,11 @@
package smartStepIntoComponentFunction
data class Test(val a: Int, val b: Int)
fun main(args: Array<String>) {
val t = Test(12, 2)
// SMART_STEP_INTO_BY_INDEX: 1
// RESUME: 1
//Breakpoint!
t.component2()
}
@@ -0,0 +1,67 @@
package smartStepIntoWithDelegates
interface A {
fun foo(): String
}
class AA : A {
override fun foo(): String = "AA"
}
class B(a: A) : A by a {
override fun foo(): String = "B"
}
class C(b: B) : A by b
class D(a: A) : A by a
fun test1() {
val c: C = C(B(AA()))
// SMART_STEP_INTO_BY_INDEX: 1
// RESUME: 1
//Breakpoint!
c.foo() // 12
}
fun test2() {
val a: A = C(B(AA()))
// SMART_STEP_INTO_BY_INDEX: 1
// RESUME: 1
//Breakpoint!
a.foo() // 12
}
fun test3() {
val d: D = D(AA())
// SMART_STEP_INTO_BY_INDEX: 1
// RESUME: 1
//Breakpoint!
d.foo() // 8
}
fun test4() {
val aa: A = AA()
val c: B = B(AA())
// SMART_STEP_INTO_BY_INDEX: 1
// RESUME: 1
//Breakpoint!
aa.foo() + c.foo() // 8
}
fun test5() {
val aa: A = AA()
val c: B = B(AA())
// SMART_STEP_INTO_BY_INDEX: 2
// RESUME: 1
//Breakpoint!
aa.foo() + c.foo() // 12 (Shouldn't stop at B.foo() even it's evaluated before C.foo())
}
fun main(args: Array<String>) {
test1()
test2()
test3()
test4()
test5()
}
@@ -0,0 +1,66 @@
package smartStepIntoWithOverrides
abstract class A {
abstract fun foo(): String
}
open class B : A() {
override fun foo(): String = "B"
}
open class C : B() {
override fun foo(): String = "C"
}
class D : C()
fun test1() {
val d: D = D()
// SMART_STEP_INTO_BY_INDEX: 1
// RESUME: 1
//Breakpoint!
d.foo() // 12
}
fun test2() {
val a: A = B()
// SMART_STEP_INTO_BY_INDEX: 1
// RESUME: 1
//Breakpoint!
a.foo() // 8
}
fun test3() {
val a: A = C()
// SMART_STEP_INTO_BY_INDEX: 1
// RESUME: 1
//Breakpoint!
a.foo() // 12
}
fun test4() {
val a: A = B()
val d: D = D()
// SMART_STEP_INTO_BY_INDEX: 1
// RESUME: 1
//Breakpoint!
a.foo() + d.foo() // 8
}
fun test5() {
val a: A = B()
val d: D = D()
// SMART_STEP_INTO_BY_INDEX: 2
// RESUME: 1
//Breakpoint!
a.foo() + d.foo() // 12 (Shouldn't stop at B.foo() even it's evaluated before C.foo())
}
fun main(args: Array<String>) {
test1()
test2()
test3()
test4()
test5()
}
@@ -1088,6 +1088,12 @@ public class KotlinSteppingTestGenerated extends AbstractKotlinSteppingTest {
doCustomTest(fileName);
}
@TestMetadata("smartStepIntoComponentFunction.kt")
public void testSmartStepIntoComponentFunction() throws Exception {
String fileName = KotlinTestUtils.navigationMetadata("idea/testData/debugger/tinyApp/src/stepping/custom/smartStepIntoComponentFunction.kt");
doCustomTest(fileName);
}
@TestMetadata("smartStepIntoConstructor.kt")
public void testSmartStepIntoConstructor() throws Exception {
String fileName = KotlinTestUtils.navigationMetadata("idea/testData/debugger/tinyApp/src/stepping/custom/smartStepIntoConstructor.kt");
@@ -1142,6 +1148,18 @@ public class KotlinSteppingTestGenerated extends AbstractKotlinSteppingTest {
doCustomTest(fileName);
}
@TestMetadata("smartStepIntoWithDelegates.kt")
public void testSmartStepIntoWithDelegates() throws Exception {
String fileName = KotlinTestUtils.navigationMetadata("idea/testData/debugger/tinyApp/src/stepping/custom/smartStepIntoWithDelegates.kt");
doCustomTest(fileName);
}
@TestMetadata("smartStepIntoWithOverrides.kt")
public void testSmartStepIntoWithOverrides() throws Exception {
String fileName = KotlinTestUtils.navigationMetadata("idea/testData/debugger/tinyApp/src/stepping/custom/smartStepIntoWithOverrides.kt");
doCustomTest(fileName);
}
@TestMetadata("stepIntoStdlibInlineFun2step.kt")
public void testStepIntoStdlibInlineFun2step() throws Exception {
String fileName = KotlinTestUtils.navigationMetadata("idea/testData/debugger/tinyApp/src/stepping/custom/stepIntoStdlibInlineFun2step.kt");