Create a JPQL parser.

Related: #2814.

Author: gregturn

Diff for: pom.xml

@@ -30,6 +30,7 @@
 		<source.level>16</source.level>
     <!-- AspectJ maven plugin can't handle 17 yet -->
 
+        <antlr>4.11.1</antlr>
 		<eclipselink>3.0.3</eclipselink>
 		<hibernate>6.1.4.Final</hibernate>
 		<hsqldb>2.7.1</hsqldb>

Diff for: spring-data-jpa/pom.xml

@@ -73,7 +73,13 @@
 			</exclusions>
 		</dependency>
 
-		<dependency>
+        <dependency>
+            <groupId>org.antlr</groupId>
+            <artifactId>antlr4-runtime</artifactId>
+            <version>${antlr}</version>
+        </dependency>
+
+        <dependency>
 			<groupId>org.aspectj</groupId>
 			<artifactId>aspectjweaver</artifactId>
 			<version>${aspectj}</version>
@@ -344,6 +350,45 @@
 				</executions>
 			</plugin>
 
+            <plugin>
+                <groupId>org.antlr</groupId>
+                <artifactId>antlr4-maven-plugin</artifactId>
+                <version>${antlr}</version>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>antlr4</goal>
+                        </goals>
+                        <phase>generate-sources</phase>
+                        <configuration>
+                            <visitor>true</visitor>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+
+            <plugin>
+                <groupId>com.google.code.maven-replacer-plugin</groupId>
+                <artifactId>maven-replacer-plugin</artifactId>
+                <version>1.4.1</version>
+                <executions>
+                    <execution>
+                        <phase>process-sources</phase>
+                        <goals>
+                            <goal>replace</goal>
+                        </goals>
+                    </execution>
+                </executions>
+                <configuration>
+                    <includes>
+                        <include>target/generated-sources/antlr4/**/*.java</include>
+                    </includes>
+                    <variableTokenValueMap>
+                        public class=class,public interface=interface
+                    </variableTokenValueMap>
+                </configuration>
+            </plugin>
+
 			<plugin>
 				<artifactId>maven-compiler-plugin</artifactId>
 				<executions>