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Report of UNINITIALIZED_ENUM_COMPANION also for implicit receivers #KT-11769 Fixed

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This commit is contained in:
Mikhail Glukhikh
2016-08-09 15:30:27 +03:00
parent 04f71bccf2
commit 1c5c6506ce
5 changed files with 39 additions and 25 deletions
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compiler/frontend/src/org/jetbrains/kotlin/cfg/ControlFlowProcessor.kt
+11 -4
View File
@@ -39,10 +39,7 @@ import org.jetbrains.kotlin.lexer.KtTokens.*
import org.jetbrains.kotlin.psi.*
import org.jetbrains.kotlin.psi.psiUtil.getQualifiedElementSelector
import org.jetbrains.kotlin.psi.psiUtil.getStrictParentOfType
import org.jetbrains.kotlin.resolve.BindingContext
import org.jetbrains.kotlin.resolve.BindingContextUtils
import org.jetbrains.kotlin.resolve.BindingTrace
import org.jetbrains.kotlin.resolve.CompileTimeConstantUtils
import org.jetbrains.kotlin.resolve.*
import org.jetbrains.kotlin.resolve.calls.callUtil.getResolvedCall
import org.jetbrains.kotlin.resolve.calls.model.ArgumentMatch
import org.jetbrains.kotlin.resolve.calls.model.ResolvedCall
@@ -1481,6 +1478,16 @@ class ControlFlowProcessor(private val trace: BindingTrace) {
when (receiver) {
is ImplicitReceiver -> {
if (callElement is KtCallExpression) {
val declaration = receiver.declarationDescriptor
if (declaration is ClassDescriptor) {
val fakeDescriptor = getFakeDescriptorForObject(declaration)
val calleeExpression = callElement.calleeExpression
if (fakeDescriptor != null && calleeExpression != null) {
builder.read(calleeExpression, AccessTarget.Declaration(fakeDescriptor), emptyMap())
}
}
}
receiverValues = receiverValues.plus(createSyntheticValue(callElement, MagicKind.IMPLICIT_RECEIVER), receiver)
}
is ExpressionReceiver -> {
compiler/frontend/src/org/jetbrains/kotlin/cfg/pseudocode/PseudocodeUtil.java
+6 -1
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@@ -91,7 +91,12 @@ public class PseudocodeUtil {
public static VariableDescriptor extractVariableDescriptorIfAny(@NotNull Instruction instruction, boolean onlyReference, @NotNull BindingContext bindingContext) {
KtElement element = null;
if (instruction instanceof ReadValueInstruction) {
element = ((ReadValueInstruction) instruction).getElement();
ReadValueInstruction readValueInstruction = (ReadValueInstruction) instruction;
AccessTarget target = readValueInstruction.getTarget();
if (target instanceof AccessTarget.Declaration) {
return ((AccessTarget.Declaration) target).getDescriptor();
}
element = readValueInstruction.getElement();
}
else if (instruction instanceof WriteValueInstruction) {
element = ((WriteValueInstruction) instruction).getLValue();
compiler/testData/cfg/declarations/classesAndObjects/EnumEntryRefersCompanion.instructions
Vendored
+9 -8
View File
@@ -26,18 +26,19 @@ L0:
v(ANOTHER(foo());)
magic[FAKE_INITIALIZER](ANOTHER(foo());) -> <v5>
w(ANOTHER|<v5>)
magic[IMPLICIT_RECEIVER](foo()) -> <v6>
r(foo, Companion) -> <v6>
magic[IMPLICIT_RECEIVER](foo()) -> <v7>
mark(foo())
call(foo(), foo|<v6>) -> <v7>
call(foo(), foo|<v7>) -> <v8>
mark((foo()))
call((foo()), <init>|<v7>) -> <v8>
call((foo()), <init>|<v8>) -> <v9>
v(companion object { fun foo() = 42 })
magic[FAKE_INITIALIZER](companion object { fun foo() = 42 }) -> <v9>
w(Companion|<v9>)
magic[FAKE_INITIALIZER](companion object { fun foo() = 42 }) -> <v10>
w(Companion|<v10>)
L1:
<END> NEXT:[<SINK>]
<END> NEXT:[<SINK>]
error:
<ERROR> PREV:[]
<ERROR> PREV:[]
sink:
<SINK> PREV:[<ERROR>, <END>]
<SINK> PREV:[<ERROR>, <END>]
=====================
compiler/testData/cfg/declarations/classesAndObjects/EnumEntryRefersCompanion.values
Vendored
+12 -11
View File
@@ -8,15 +8,16 @@ enum class EE(val x: Int) {
}
}
---------------------
<v0>: Int NEW: magic[FAKE_INITIALIZER](val x: Int) -> <v0>
<v1>: EE NEW: magic[FAKE_INITIALIZER](INSTANCE(Companion.foo()),) -> <v1>
<v5>: EE NEW: magic[FAKE_INITIALIZER](ANOTHER(foo());) -> <v5>
<v6>: EE.Companion NEW: magic[IMPLICIT_RECEIVER](foo()) -> <v6>
<v9>: EE.Companion NEW: magic[FAKE_INITIALIZER](companion object { fun foo() = 42 }) -> <v9>
Companion <v2>: EE.Companion NEW: r(Companion) -> <v2>
foo() <v3>: Int NEW: call(foo(), foo|<v2>) -> <v3>
Companion.foo() <v3>: Int COPY
(Companion.foo()) <v4>: * NEW: call((Companion.foo()), <init>|<v3>) -> <v4>
foo() <v7>: Int NEW: call(foo(), foo|<v6>) -> <v7>
(foo()) <v8>: * NEW: call((foo()), <init>|<v7>) -> <v8>
<v0>: Int NEW: magic[FAKE_INITIALIZER](val x: Int) -> <v0>
<v10>: EE.Companion NEW: magic[FAKE_INITIALIZER](companion object { fun foo() = 42 }) -> <v10>
<v1>: EE NEW: magic[FAKE_INITIALIZER](INSTANCE(Companion.foo()),) -> <v1>
<v5>: EE NEW: magic[FAKE_INITIALIZER](ANOTHER(foo());) -> <v5>
<v7>: EE.Companion NEW: magic[IMPLICIT_RECEIVER](foo()) -> <v7>
Companion <v2>: EE.Companion NEW: r(Companion) -> <v2>
foo() <v3>: Int NEW: call(foo(), foo|<v2>) -> <v3>
Companion.foo() <v3>: Int COPY
(Companion.foo()) <v4>: * NEW: call((Companion.foo()), <init>|<v3>) -> <v4>
foo <v6>: * NEW: r(foo, Companion) -> <v6>
foo() <v8>: Int NEW: call(foo(), foo|<v7>) -> <v8>
(foo()) <v9>: * NEW: call((foo()), <init>|<v8>) -> <v9>
=====================
compiler/testData/diagnostics/tests/controlFlowAnalysis/enumCompanionInterdependence.kt
Vendored
+1 -1
View File
@@ -40,7 +40,7 @@ enum class EnumCompanion1(val x: Int) {
}
// Also should be reported for implicit receiver
enum class EnumCompanion2(val x: Int) {
INSTANCE(foo()); // TODO
INSTANCE(<!UNINITIALIZED_ENUM_COMPANION!>foo<!>());
companion object {
fun foo() = 42