[FIR] Implement Int -> Long conversions for literals and operators over them

^KT-38895
^KT-50996 Fixed
^KT-51000 Fixed
^KT-51003 Fixed
^KT-51018 Fixed

analysis/analysis-api-fe10/src/org/jetbrains/kotlin/analysis/api/descriptors/utils/PublicApproximatorConfiguration.kt

@@ -12,7 +12,7 @@ internal object PublicApproximatorConfiguration : TypeApproximatorConfiguration.
     override val allFlexible: Boolean get() = false
     override val errorType: Boolean get() = true
     override val definitelyNotNullType: Boolean get() = false
-    override val integerLiteralType: Boolean get() = true
+    override val integerLiteralConstantType: Boolean get() = true
     override val intersectionTypesInContravariantPositions: Boolean get() = true
     override val localTypes: Boolean get() = true
-}
+}

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/symbols/KtFirSymbol.kt

@@ -13,10 +13,12 @@ import org.jetbrains.kotlin.analysis.low.level.api.fir.api.LLFirModuleResolveSta
 import org.jetbrains.kotlin.fir.declarations.FirCallableDeclaration
 import org.jetbrains.kotlin.fir.declarations.FirDeclaration
 import org.jetbrains.kotlin.fir.declarations.FirDeclarationOrigin
+import org.jetbrains.kotlin.fir.declarations.FirSimpleFunction
 import org.jetbrains.kotlin.fir.declarations.synthetic.FirSyntheticProperty
 import org.jetbrains.kotlin.fir.originalIfFakeOverride
 import org.jetbrains.kotlin.fir.render
 import org.jetbrains.kotlin.fir.scopes.impl.importedFromObjectData
+import org.jetbrains.kotlin.fir.scopes.impl.originalForWrappedIntegerOperator
 import org.jetbrains.kotlin.fir.symbols.FirBasedSymbol
 
 internal interface KtFirSymbol<out S : FirBasedSymbol<*>> : KtSymbol, ValidityTokenOwner {
@@ -64,6 +66,12 @@ internal tailrec fun FirDeclaration.ktSymbolOrigin(): KtSymbolOrigin = when (ori
 
         importedFromObjectData.original.ktSymbolOrigin()
     }
+    FirDeclarationOrigin.WrappedIntegerOperator -> {
+        val original = (this as FirSimpleFunction).originalForWrappedIntegerOperator?.fir
+            ?: error("Declaration has WrappedIntegerOperator origin, but no originalForWrappedIntegerOperator present")
+
+        original.ktSymbolOrigin()
+    }
     else -> {
         val overridden = (this as? FirCallableDeclaration)?.originalIfFakeOverride()
             ?: throw InvalidFirDeclarationOriginForSymbol(this)

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/types/PublicTypeApproximator.kt

@@ -26,7 +26,7 @@ internal object PublicTypeApproximator {
         override val allFlexible: Boolean get() = false
         override val errorType: Boolean get() = true
         override val definitelyNotNullType: Boolean get() = false
-        override val integerLiteralType: Boolean get() = true
+        override val integerLiteralConstantType: Boolean get() = true
         override val intersectionTypesInContravariantPositions: Boolean get() = true
         override val anonymous: Boolean get() = true
     }

analysis/low-level-api-fir/testdata/getOrBuildFir/expressions/binaryExpression.txt

@@ -1,5 +1,5 @@
 KT element: KtBinaryExpression
-FIR element: FirFunctionCallImpl
+FIR element: FirIntegerLiteralOperatorCallImpl
 FIR source kind: KtRealSourceElementKind
 
 FIR element rendered:

analysis/low-level-api-fir/testdata/getOrBuildFir/expressions/parenthesizedExpression.txt

@@ -1,5 +1,5 @@
 KT element: KtParenthesizedExpression
-FIR element: FirFunctionCallImpl
+FIR element: FirIntegerLiteralOperatorCallImpl
 FIR source kind: KtRealSourceElementKind
 
 FIR element rendered:

analysis/low-level-api-fir/testdata/getOrBuildFir/expressions/stringTemplateExpressionEntry.txt

@@ -1,6 +1,6 @@
 KT element: KtBlockStringTemplateEntry
-FIR element: FirFunctionCallImpl
+FIR element: FirIntegerLiteralOperatorCallImpl
 FIR source kind: KtRealSourceElementKind
 
 FIR element rendered:
-Int(1).R|kotlin/Int.plus|(Int(2))
+Int(1).R|kotlin/Int.plus|(Int(2))

analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/DiagnosisCompilerTestFE10TestdataTestGenerated.java

@@ -17477,6 +17477,28 @@ public class DiagnosisCompilerTestFE10TestdataTestGenerated extends AbstractDiag
             }
         }
 
+        @Nested
+        @TestMetadata("compiler/testData/diagnostics/tests/integerLiterals")
+        @TestDataPath("$PROJECT_ROOT")
+        public class IntegerLiterals {
+            @Test
+            public void testAllFilesPresentInIntegerLiterals() throws Exception {
+                KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/diagnostics/tests/integerLiterals"), Pattern.compile("^(.+)\\.kt$"), Pattern.compile("^(.+)\\.fir\\.kts?$"), true);
+            }
+
+            @Test
+            @TestMetadata("intToLongConversion.kt")
+            public void testIntToLongConversion() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/integerLiterals/intToLongConversion.kt");
+            }
+
+            @Test
+            @TestMetadata("literalsInInference.kt")
+            public void testLiteralsInInference() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/integerLiterals/literalsInInference.kt");
+            }
+        }
+
         @Nested
         @TestMetadata("compiler/testData/diagnostics/tests/j+k")
         @TestDataPath("$PROJECT_ROOT")