[Parser] Fix parsing of unfinished dot access in string template

Problem appeared in cases like this: "{someVar.}"

#KT-34440 Fixed

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/fir/FirOldFrontendDiagnosticsTestGenerated.java

@@ -328,6 +328,11 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirOldFronte
         runTest("compiler/testData/diagnostics/tests/kt310.kt");
     }
 
+    @TestMetadata("kt34440.kt")
+    public void testKt34440() throws Exception {
+        runTest("compiler/testData/diagnostics/tests/kt34440.kt");
+    }
+
     @TestMetadata("kt34857.kt")
     public void testKt34857() throws Exception {
         runTest("compiler/testData/diagnostics/tests/kt34857.kt");

compiler/psi/src/org/jetbrains/kotlin/parsing/AbstractKotlinParsing.java

@@ -105,7 +105,7 @@ import static org.jetbrains.kotlin.lexer.KtTokens.*;
         IElementType tt = tt();
         if (recoverySet == null ||
             recoverySet.contains(tt) ||
-            tt == LBRACE || tt == RBRACE ||
+            tt == LBRACE || tt == RBRACE || tt == LONG_TEMPLATE_ENTRY_END ||
             (recoverySet.contains(EOL_OR_SEMICOLON) && (eof() || tt == SEMICOLON || myBuilder.newlineBeforeCurrentToken()))) {
             error(message);
         }

compiler/testData/diagnostics/tests/kt34440.fir.kt

@@ -0,0 +1,9 @@
+// ISSUE: KT-34440
+
+class BufferUtil {
+    fun isDirect(cond: Boolean): Boolean =
+        when (cond) {
+            else -> throw Exception("${buf.<!SYNTAX!><!>}")
+        }
+    private class BufferInfo(private val type: Class<*>)
+}

compiler/testData/diagnostics/tests/kt34440.kt

@@ -0,0 +1,9 @@
+// ISSUE: KT-34440
+
+class BufferUtil {
+    fun isDirect(cond: Boolean): Boolean =
+        when (<!UNUSED_EXPRESSION!>cond<!>) {
+            else -> throw Exception("${<!UNRESOLVED_REFERENCE!>buf<!>.<!SYNTAX!><!>}")
+        }
+    private class BufferInfo(private val type: Class<*>)
+}

compiler/testData/diagnostics/tests/kt34440.txt

@@ -0,0 +1,17 @@
+package
+
+public final class BufferUtil {
+    public constructor BufferUtil()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public final fun isDirect(/*0*/ cond: kotlin.Boolean): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+    private final class BufferInfo {
+        public constructor BufferInfo(/*0*/ type: java.lang.Class<*>)
+        private final val type: java.lang.Class<*>
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+}

compiler/tests-gen/org/jetbrains/kotlin/checkers/DiagnosticsTestGenerated.java

@@ -330,6 +330,11 @@ public class DiagnosticsTestGenerated extends AbstractDiagnosticsTestWithFirVali
             runTest("compiler/testData/diagnostics/tests/kt310.kt");
         }
 
+        @TestMetadata("kt34440.kt")
+        public void testKt34440() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/kt34440.kt");
+        }
+
         @TestMetadata("kt34857.kt")
         public void testKt34857() throws Exception {
             runTest("compiler/testData/diagnostics/tests/kt34857.kt");

compiler/tests-gen/org/jetbrains/kotlin/checkers/javac/DiagnosticsUsingJavacTestGenerated.java

@@ -330,6 +330,11 @@ public class DiagnosticsUsingJavacTestGenerated extends AbstractDiagnosticsUsing
             runTest("compiler/testData/diagnostics/tests/kt310.kt");
         }
 
+        @TestMetadata("kt34440.kt")
+        public void testKt34440() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/kt34440.kt");
+        }
+
         @TestMetadata("kt34857.kt")
         public void testKt34857() throws Exception {
             runTest("compiler/testData/diagnostics/tests/kt34857.kt");