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KT-16486 Strange IR for delegated members

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Delegated implementations should refer to delegate field:
  $this: GET_FIELD <delegate_field> ...
    receiver: <this_for_containing_class>
This commit is contained in:
Dmitry Petrov
2017-02-27 14:58:12 +03:00
parent abbbdb5771
commit 0f1f354ba6
3 changed files with 46 additions and 26 deletions
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compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/ClassGenerator.kt
+20 -13
View File
@@ -23,10 +23,7 @@ import org.jetbrains.kotlin.ir.declarations.IrDeclarationOrigin
import org.jetbrains.kotlin.ir.declarations.IrEnumEntry
import org.jetbrains.kotlin.ir.declarations.impl.*
import org.jetbrains.kotlin.ir.descriptors.IrImplementingDelegateDescriptorImpl
import org.jetbrains.kotlin.ir.expressions.impl.IrBlockBodyImpl
import org.jetbrains.kotlin.ir.expressions.impl.IrCallImpl
import org.jetbrains.kotlin.ir.expressions.impl.IrGetValueImpl
import org.jetbrains.kotlin.ir.expressions.impl.IrReturnImpl
import org.jetbrains.kotlin.ir.expressions.impl.*
import org.jetbrains.kotlin.ir.expressions.mapValueParameters
import org.jetbrains.kotlin.psi.KtClassOrObject
import org.jetbrains.kotlin.psi.KtDelegatedSuperTypeEntry
@@ -40,6 +37,7 @@ import org.jetbrains.kotlin.renderer.OverrideRenderingPolicy
import org.jetbrains.kotlin.resolve.BindingContext
import org.jetbrains.kotlin.resolve.DescriptorUtils
import org.jetbrains.kotlin.resolve.scopes.DescriptorKindFilter
import org.jetbrains.kotlin.utils.addToStdlib.assertedCast
import java.lang.AssertionError
import java.util.*
@@ -143,14 +141,17 @@ class ClassGenerator(val declarationGenerator: DeclarationGenerator) : Generator
private fun generateDelegatedProperty(irClass: IrClassImpl, irDelegate: IrFieldImpl,
delegated: PropertyDescriptor, overridden: PropertyDescriptor) {
val irProperty = IrPropertyImpl(irDelegate.startOffset, irDelegate.endOffset, IrDeclarationOrigin.DELEGATED_MEMBER, false, delegated)
val startOffset = irDelegate.startOffset
val endOffset = irDelegate.endOffset
val irGetter = IrFunctionImpl(irDelegate.startOffset, irDelegate.endOffset, IrDeclarationOrigin.DELEGATED_MEMBER, delegated.getter!!)
val irProperty = IrPropertyImpl(startOffset, endOffset, IrDeclarationOrigin.DELEGATED_MEMBER, false, delegated)
val irGetter = IrFunctionImpl(startOffset, endOffset, IrDeclarationOrigin.DELEGATED_MEMBER, delegated.getter!!)
irGetter.body = generateDelegateFunctionBody(irDelegate, delegated.getter!!, overridden.getter!!)
irProperty.getter = irGetter
if (delegated.isVar) {
val irSetter = IrFunctionImpl(irDelegate.startOffset, irDelegate.endOffset, IrDeclarationOrigin.DELEGATED_MEMBER, delegated.setter!!)
val irSetter = IrFunctionImpl(startOffset, endOffset, IrDeclarationOrigin.DELEGATED_MEMBER, delegated.setter!!)
irSetter.body = generateDelegateFunctionBody(irDelegate, delegated.setter!!, overridden.setter!!)
irProperty.setter = irSetter
}
@@ -165,22 +166,28 @@ class ClassGenerator(val declarationGenerator: DeclarationGenerator) : Generator
}
private fun generateDelegateFunctionBody(irDelegate: IrFieldImpl, delegated: FunctionDescriptor, overridden: FunctionDescriptor): IrBlockBodyImpl {
val irBlockBody = IrBlockBodyImpl(irDelegate.startOffset, irDelegate.endOffset)
val startOffset = irDelegate.startOffset
val endOffset = irDelegate.endOffset
val classOwner = delegated.containingDeclaration.assertedCast<ClassDescriptor> { "Class member expected: $delegated" }
val irBlockBody = IrBlockBodyImpl(startOffset, endOffset)
val returnType = overridden.returnType!!
val irCall = IrCallImpl(irDelegate.startOffset, irDelegate.endOffset, returnType, overridden, null)
irCall.dispatchReceiver = IrGetValueImpl(irDelegate.startOffset, irDelegate.endOffset, irDelegate.descriptor)
val irCall = IrCallImpl(startOffset, endOffset, returnType, overridden, null)
irCall.dispatchReceiver = IrGetFieldImpl(startOffset, endOffset, irDelegate.descriptor,
IrGetValueImpl(startOffset, endOffset, classOwner.thisAsReceiverParameter)
)
irCall.extensionReceiver = delegated.extensionReceiverParameter?.let { extensionReceiver ->
IrGetValueImpl(irDelegate.startOffset, irDelegate.endOffset, extensionReceiver)
IrGetValueImpl(startOffset, endOffset, extensionReceiver)
}
irCall.mapValueParameters { overriddenValueParameter ->
val delegatedValueParameter = delegated.valueParameters[overriddenValueParameter.index]
IrGetValueImpl(irDelegate.startOffset, irDelegate.endOffset, delegatedValueParameter)
IrGetValueImpl(startOffset, endOffset, delegatedValueParameter)
}
if (KotlinBuiltIns.isUnit(returnType) || KotlinBuiltIns.isNothing(returnType)) {
irBlockBody.statements.add(irCall)
}
else {
val irReturn = IrReturnImpl(irDelegate.startOffset, irDelegate.endOffset, context.builtIns.nothingType, delegated, irCall)
val irReturn = IrReturnImpl(startOffset, endOffset, context.builtIns.nothingType, delegated, irCall)
irBlockBody.statements.add(irReturn)
}
return irBlockBody
compiler/testData/ir/irText/classes/delegatedImplementation.txt
Vendored
+24 -12
View File
@@ -108,17 +108,20 @@ FILE /delegatedImplementation.kt
BLOCK_BODY
RETURN type=kotlin.Nothing from='bar(): Int'
CALL 'bar(): Int' type=kotlin.Int origin=null
$this: GET_VAR '`Test1$IBase$delegate`: BaseImpl' type=BaseImpl origin=null
$this: GET_FIELD '`Test1$IBase$delegate`: BaseImpl' type=BaseImpl origin=null
receiver: GET_VAR '<receiver: Test1>' type=Test1 origin=null
FUN DELEGATED_MEMBER public open override fun foo(x: kotlin.Int, s: kotlin.String): kotlin.Unit
BLOCK_BODY
CALL 'foo(Int, String): Unit' type=kotlin.Unit origin=null
$this: GET_VAR '`Test1$IBase$delegate`: BaseImpl' type=BaseImpl origin=null
$this: GET_FIELD '`Test1$IBase$delegate`: BaseImpl' type=BaseImpl origin=null
receiver: GET_VAR '<receiver: Test1>' type=Test1 origin=null
x: GET_VAR 'value-parameter x: Int' type=kotlin.Int origin=null
s: GET_VAR 'value-parameter s: String' type=kotlin.String origin=null
FUN DELEGATED_MEMBER public open override fun kotlin.String.qux(): kotlin.Unit
BLOCK_BODY
CALL 'qux() on String: Unit' type=kotlin.Unit origin=null
$this: GET_VAR '`Test1$IBase$delegate`: BaseImpl' type=BaseImpl origin=null
$this: GET_FIELD '`Test1$IBase$delegate`: BaseImpl' type=BaseImpl origin=null
receiver: GET_VAR '<receiver: Test1>' type=Test1 origin=null
$receiver: GET_VAR '<receiver: qux() on String: Unit>' type=kotlin.String origin=null
CLASS CLASS Test2
CONSTRUCTOR public constructor Test2()
@@ -132,17 +135,20 @@ FILE /delegatedImplementation.kt
BLOCK_BODY
RETURN type=kotlin.Nothing from='bar(): Int'
CALL 'bar(): Int' type=kotlin.Int origin=null
$this: GET_VAR '`Test2$IBase$delegate`: BaseImpl' type=BaseImpl origin=null
$this: GET_FIELD '`Test2$IBase$delegate`: BaseImpl' type=BaseImpl origin=null
receiver: GET_VAR '<receiver: Test2>' type=Test2 origin=null
FUN DELEGATED_MEMBER public open override fun foo(x: kotlin.Int, s: kotlin.String): kotlin.Unit
BLOCK_BODY
CALL 'foo(Int, String): Unit' type=kotlin.Unit origin=null
$this: GET_VAR '`Test2$IBase$delegate`: BaseImpl' type=BaseImpl origin=null
$this: GET_FIELD '`Test2$IBase$delegate`: BaseImpl' type=BaseImpl origin=null
receiver: GET_VAR '<receiver: Test2>' type=Test2 origin=null
x: GET_VAR 'value-parameter x: Int' type=kotlin.Int origin=null
s: GET_VAR 'value-parameter s: String' type=kotlin.String origin=null
FUN DELEGATED_MEMBER public open override fun kotlin.String.qux(): kotlin.Unit
BLOCK_BODY
CALL 'qux() on String: Unit' type=kotlin.Unit origin=null
$this: GET_VAR '`Test2$IBase$delegate`: BaseImpl' type=BaseImpl origin=null
$this: GET_FIELD '`Test2$IBase$delegate`: BaseImpl' type=BaseImpl origin=null
receiver: GET_VAR '<receiver: Test2>' type=Test2 origin=null
$receiver: GET_VAR '<receiver: qux() on String: Unit>' type=kotlin.String origin=null
FIELD DELEGATE val `Test2$IOther$delegate`: IOther
EXPRESSION_BODY
@@ -154,25 +160,29 @@ FILE /delegatedImplementation.kt
BLOCK_BODY
RETURN type=kotlin.Nothing from='<get-z1>() on Byte: Int'
CALL '<get-z1>() on Byte: Int' type=kotlin.Int origin=null
$this: GET_VAR '`Test2$IOther$delegate`: IOther' type=IOther origin=null
$this: GET_FIELD '`Test2$IOther$delegate`: IOther' type=IOther origin=null
receiver: GET_VAR '<receiver: Test2>' type=Test2 origin=null
$receiver: GET_VAR '<receiver: z1: Int on Byte>' type=kotlin.Byte origin=null
PROPERTY DELEGATED_MEMBER public open override val x: kotlin.String
FUN DELEGATED_MEMBER public open override fun <get-x>(): kotlin.String
BLOCK_BODY
RETURN type=kotlin.Nothing from='<get-x>(): String'
CALL '<get-x>(): String' type=kotlin.String origin=null
$this: GET_VAR '`Test2$IOther$delegate`: IOther' type=IOther origin=null
$this: GET_FIELD '`Test2$IOther$delegate`: IOther' type=IOther origin=null
receiver: GET_VAR '<receiver: Test2>' type=Test2 origin=null
PROPERTY DELEGATED_MEMBER public open override var kotlin.Byte.z2: kotlin.Int
FUN DELEGATED_MEMBER public open override fun kotlin.Byte.<get-z2>(): kotlin.Int
BLOCK_BODY
RETURN type=kotlin.Nothing from='<get-z2>() on Byte: Int'
CALL '<get-z2>() on Byte: Int' type=kotlin.Int origin=null
$this: GET_VAR '`Test2$IOther$delegate`: IOther' type=IOther origin=null
$this: GET_FIELD '`Test2$IOther$delegate`: IOther' type=IOther origin=null
receiver: GET_VAR '<receiver: Test2>' type=Test2 origin=null
$receiver: GET_VAR '<receiver: z2: Int on Byte>' type=kotlin.Byte origin=null
FUN DELEGATED_MEMBER public open override fun kotlin.Byte.<set-z2>(<set-?>: kotlin.Int): kotlin.Unit
BLOCK_BODY
CALL '<set-z2>(Int) on Byte: Unit' type=kotlin.Unit origin=null
$this: GET_VAR '`Test2$IOther$delegate`: IOther' type=IOther origin=null
$this: GET_FIELD '`Test2$IOther$delegate`: IOther' type=IOther origin=null
receiver: GET_VAR '<receiver: Test2>' type=Test2 origin=null
$receiver: GET_VAR '<receiver: z2: Int on Byte>' type=kotlin.Byte origin=null
<set-?>: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
PROPERTY DELEGATED_MEMBER public open override var y: kotlin.Int
@@ -180,9 +190,11 @@ FILE /delegatedImplementation.kt
BLOCK_BODY
RETURN type=kotlin.Nothing from='<get-y>(): Int'
CALL '<get-y>(): Int' type=kotlin.Int origin=null
$this: GET_VAR '`Test2$IOther$delegate`: IOther' type=IOther origin=null
$this: GET_FIELD '`Test2$IOther$delegate`: IOther' type=IOther origin=null
receiver: GET_VAR '<receiver: Test2>' type=Test2 origin=null
FUN DELEGATED_MEMBER public open override fun <set-y>(<set-?>: kotlin.Int): kotlin.Unit
BLOCK_BODY
CALL '<set-y>(Int): Unit' type=kotlin.Unit origin=null
$this: GET_VAR '`Test2$IOther$delegate`: IOther' type=IOther origin=null
$this: GET_FIELD '`Test2$IOther$delegate`: IOther' type=IOther origin=null
receiver: GET_VAR '<receiver: Test2>' type=Test2 origin=null
<set-?>: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
compiler/testData/ir/irText/classes/delegatedImplementationWithExplicitOverride.txt
Vendored
+2 -1
View File
@@ -22,6 +22,7 @@ FILE /delegatedImplementationWithExplicitOverride.kt
FUN DELEGATED_MEMBER public open override fun foo(): kotlin.Unit
BLOCK_BODY
CALL 'foo(): Unit' type=kotlin.Unit origin=null
$this: GET_VAR '`C$IFooBar$delegate`: FooBarImpl' type=FooBarImpl origin=null
$this: GET_FIELD '`C$IFooBar$delegate`: FooBarImpl' type=FooBarImpl origin=null
receiver: GET_VAR '<receiver: C>' type=C origin=null
FUN public open override fun bar(): kotlin.Unit
BLOCK_BODY