Fix parsing entity names in HQL query with package names that contain reserved exp keyword.

Resolves: #3451
Original pull request: #3457

Author: christophstrobl

spring-data-jpa/src/main/antlr4/org/springframework/data/jpa/repository/query/Hql.g4

@@ -737,6 +737,7 @@ reservedWord
 	| EXCEPT
 	| EXCLUDE
 	| EXISTS
+	| EXP
 	| EXTRACT
 	| FETCH
 	| FILTER

spring-data-jpa/src/test/java/org/springframework/data/jpa/repository/query/HqlQueryRendererTests.java

@@ -18,11 +18,15 @@
 import static org.assertj.core.api.Assertions.*;
 import static org.springframework.data.jpa.repository.query.JpaQueryParsingToken.*;
 
+import java.util.stream.Stream;
+
 import org.antlr.v4.runtime.CharStreams;
 import org.antlr.v4.runtime.CommonTokenStream;
 import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
 import org.junit.jupiter.params.provider.ValueSource;
 
 /**
@@ -57,6 +61,10 @@ private static String parseWithoutChanges(String query) {
 		return render(new HqlQueryRenderer().visit(parsedQuery));
 	}
 
+	public static Stream<Arguments> reservedWords() {
+		return Stream.of("abs", "exp", "any", "case", "else", "index", "time").map(Arguments::of);
+	}
+
 	private void assertQuery(String query) {
 
 		String slimmedDownQuery = reduceWhitespace(query);
@@ -1661,4 +1669,12 @@ void signedLiteralShouldWork(String query) {
 	void signedExpressionsShouldWork(String query) {
 		assertQuery(query);
 	}
+
+	@ParameterizedTest // GH-3451
+	@MethodSource({"reservedWords"})
+	void entityNameWithPackageContainingReservedWord(String reservedWord) {
+
+		String source = "select new com.company.%s.thing.stuff.ClassName(e.id) from Experience e".formatted(reservedWord);
+		assertQuery(source);
+	}
 }