FIR2IR: read & set dispatch & extension receivers

NB: this commit includes receiver-based assertions yet failing for some tests

compiler/testData/ir/irText/classes/classMembers.fir.txt

@@ -127,6 +127,7 @@ FILE fqName:<root> fileName:/classMembers.kt
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public open fun bar (): kotlin.Unit declared in <root>.C.NestedInterface'
             CALL 'public abstract fun foo (): kotlin.Unit declared in <root>.C.NestedInterface' type=kotlin.Unit origin=null
+              $this: GET_VAR '<this>: <root>.C.NestedInterface declared in <root>.C.NestedInterface' type=<root>.C.NestedInterface origin=null
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
         overridden:
           public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in kotlin.Any

compiler/testData/ir/irText/classes/enum.fir.txt

@@ -321,7 +321,9 @@ FILE fqName:<root> fileName:/enum.kt
       ANONYMOUS_INITIALIZER isStatic=false
         BLOCK_BODY
           SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:z type:kotlin.Int visibility:public [final]' type=kotlin.Unit origin=null
+            receiver: GET_VAR '<this>: <root>.TestEnum4.TEST2 declared in <root>.TestEnum4.TEST2' type=<root>.TestEnum4.TEST2 origin=null
             value: CALL 'public final fun <get-x> (): kotlin.Int declared in <root>.TestEnum4' type=kotlin.Int origin=null
+              $this: GET_VAR '<this>: <root>.TestEnum4 declared in <root>.TestEnum4' type=<root>.TestEnum4 origin=null
       FUN name:foo visibility:public modality:FINAL <> ($this:<root>.TestEnum4.TEST2) returnType:kotlin.Unit
         $this: VALUE_PARAMETER name:<this> type:<root>.TestEnum4.TEST2
         BLOCK_BODY

compiler/testData/ir/irText/classes/initVal.fir.txt

@@ -1,94 +0,0 @@
-FILE fqName:<root> fileName:/initVal.kt
-  CLASS CLASS name:TestInitValFromParameter modality:FINAL visibility:public superTypes:[kotlin.Any]
-    $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.TestInitValFromParameter
-    CONSTRUCTOR visibility:public <> (x:kotlin.Int) returnType:<root>.TestInitValFromParameter [primary]
-      VALUE_PARAMETER name:x index:0 type:kotlin.Int
-      BLOCK_BODY
-        DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
-        INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:TestInitValFromParameter modality:FINAL visibility:public superTypes:[kotlin.Any]'
-    PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
-        EXPRESSION_BODY
-          GET_VAR 'x: kotlin.Int declared in <root>.TestInitValFromParameter.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
-      FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestInitValFromParameter) returnType:kotlin.Int
-        correspondingProperty: PROPERTY name:x visibility:public modality:FINAL [val]
-        $this: VALUE_PARAMETER name:<this> type:<root>.TestInitValFromParameter
-        BLOCK_BODY
-          RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.TestInitValFromParameter'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
-              receiver: GET_VAR '<this>: <root>.TestInitValFromParameter declared in <root>.TestInitValFromParameter.<get-x>' type=<root>.TestInitValFromParameter origin=null
-    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
-      overridden:
-        public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in kotlin.Any
-      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
-      VALUE_PARAMETER name:other index:0 type:kotlin.Any?
-    FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.Int
-      overridden:
-        public open fun hashCode (): kotlin.Int declared in kotlin.Any
-      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
-    FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.String
-      overridden:
-        public open fun toString (): kotlin.String declared in kotlin.Any
-      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
-  CLASS CLASS name:TestInitValInClass modality:FINAL visibility:public superTypes:[kotlin.Any]
-    $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.TestInitValInClass
-    CONSTRUCTOR visibility:public <> () returnType:<root>.TestInitValInClass [primary]
-      BLOCK_BODY
-        DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
-        INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:TestInitValInClass modality:FINAL visibility:public superTypes:[kotlin.Any]'
-    PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
-        EXPRESSION_BODY
-          CONST Int type=kotlin.Int value=0
-      FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestInitValInClass) returnType:kotlin.Int
-        correspondingProperty: PROPERTY name:x visibility:public modality:FINAL [val]
-        $this: VALUE_PARAMETER name:<this> type:<root>.TestInitValInClass
-        BLOCK_BODY
-          RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.TestInitValInClass'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
-              receiver: GET_VAR '<this>: <root>.TestInitValInClass declared in <root>.TestInitValInClass.<get-x>' type=<root>.TestInitValInClass origin=null
-    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
-      overridden:
-        public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in kotlin.Any
-      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
-      VALUE_PARAMETER name:other index:0 type:kotlin.Any?
-    FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.Int
-      overridden:
-        public open fun hashCode (): kotlin.Int declared in kotlin.Any
-      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
-    FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.String
-      overridden:
-        public open fun toString (): kotlin.String declared in kotlin.Any
-      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
-  CLASS CLASS name:TestInitValInInitBlock modality:FINAL visibility:public superTypes:[kotlin.Any]
-    $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.TestInitValInInitBlock
-    CONSTRUCTOR visibility:public <> () returnType:<root>.TestInitValInInitBlock [primary]
-      BLOCK_BODY
-        DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
-        INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:TestInitValInInitBlock modality:FINAL visibility:public superTypes:[kotlin.Any]'
-    PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
-      FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestInitValInInitBlock) returnType:kotlin.Int
-        correspondingProperty: PROPERTY name:x visibility:public modality:FINAL [val]
-        $this: VALUE_PARAMETER name:<this> type:<root>.TestInitValInInitBlock
-        BLOCK_BODY
-          RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.TestInitValInInitBlock'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
-              receiver: GET_VAR '<this>: <root>.TestInitValInInitBlock declared in <root>.TestInitValInInitBlock.<get-x>' type=<root>.TestInitValInInitBlock origin=null
-    ANONYMOUS_INITIALIZER isStatic=false
-      BLOCK_BODY
-        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Unit origin=null
-          value: CONST Int type=kotlin.Int value=0
-    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
-      overridden:
-        public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in kotlin.Any
-      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
-      VALUE_PARAMETER name:other index:0 type:kotlin.Any?
-    FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.Int
-      overridden:
-        public open fun hashCode (): kotlin.Int declared in kotlin.Any
-      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
-    FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.String
-      overridden:
-        public open fun toString (): kotlin.String declared in kotlin.Any
-      $this: VALUE_PARAMETER name:<this> type:kotlin.Any

compiler/testData/ir/irText/classes/initVal.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 class TestInitValFromParameter(val x: Int)
 
 class TestInitValInClass {

compiler/testData/ir/irText/classes/outerClassAccess.fir.txt

@@ -18,6 +18,7 @@ FILE fqName:<root> fileName:/outerClassAccess.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Outer.Inner
         BLOCK_BODY
           CALL 'public final fun foo (): kotlin.Unit declared in <root>.Outer' type=kotlin.Unit origin=null
+            $this: GET_VAR '<this>: <root>.Outer declared in <root>.Outer' type=<root>.Outer origin=null
       CLASS CLASS name:Inner2 modality:FINAL visibility:public [inner] superTypes:[kotlin.Any]
         $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.Outer.Inner.Inner2
         CONSTRUCTOR visibility:public <> () returnType:<root>.Outer.Inner.Inner2 [primary]
@@ -28,12 +29,15 @@ FILE fqName:<root> fileName:/outerClassAccess.kt
           $this: VALUE_PARAMETER name:<this> type:<root>.Outer.Inner.Inner2
           BLOCK_BODY
             CALL 'public final fun test (): kotlin.Unit declared in <root>.Outer.Inner' type=kotlin.Unit origin=null
+              $this: GET_VAR '<this>: <root>.Outer.Inner declared in <root>.Outer.Inner' type=<root>.Outer.Inner origin=null
             CALL 'public final fun foo (): kotlin.Unit declared in <root>.Outer' type=kotlin.Unit origin=null
+              $this: GET_VAR '<this>: <root>.Outer declared in <root>.Outer' type=<root>.Outer origin=null
         FUN name:test3 visibility:public modality:FINAL <> ($this:<root>.Outer.Inner.Inner2, $receiver:<root>.Outer) returnType:kotlin.Unit
           $this: VALUE_PARAMETER name:<this> type:<root>.Outer.Inner.Inner2
           $receiver: VALUE_PARAMETER name:<this> type:<root>.Outer
           BLOCK_BODY
             CALL 'public final fun foo (): kotlin.Unit declared in <root>.Outer' type=kotlin.Unit origin=null
+              $this: GET_VAR '<this>: <root>.Outer declared in <root>.Outer' type=<root>.Outer origin=null
         FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
           overridden:
             public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in kotlin.Any

compiler/testData/ir/irText/classes/secondaryConstructorWithInitializersFromClassBody.fir.txt

@@ -62,6 +62,7 @@ FILE fqName:<root> fileName:/secondaryConstructorWithInitializersFromClassBody.k
     ANONYMOUS_INITIALIZER isStatic=false
       BLOCK_BODY
         SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Unit origin=null
+          receiver: GET_VAR '<this>: <root>.TestInitBlock declared in <root>.TestInitBlock' type=<root>.TestInitBlock origin=null
           value: CONST Int type=kotlin.Int value=0
     CONSTRUCTOR visibility:public <> () returnType:<root>.TestInitBlock
       BLOCK_BODY