VSCode + Antlr generated sources
2025-10-20
VSCode can't find the class from antlr generated sources. We need to run "mvn eclipse:eclipse" to generate .classpath and .project to resolve this problem, otherwise vscode will keep saying your antlr generate classes not found
.classpath
<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="src" path="src/main/java" including="**/*.java"/>
<classpathentry kind="src" path="target/generated-sources" including="**/*.java"/>
<classpathentry kind="output" path="target/classes"/>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
<classpathentry kind="var" path="M2_REPO/org/antlr/antlr4-runtime/4.13.1/antlr4-runtime-4.13.1.jar" sourcepath="M2_REPO/org/antlr/antlr4-runtime/4.13.1/antlr4-runtime-4.13.1-sources.jar"/>
<classpathentry kind="var" path="M2_REPO/org/ow2/asm/asm/9.6/asm-9.6.jar"/>
<classpathentry kind="var" path="M2_REPO/org/junit/jupiter/junit-jupiter/5.10.2/junit-jupiter-5.10.2.jar"/>
<classpathentry kind="var" path="M2_REPO/org/junit/jupiter/junit-jupiter-api/5.10.2/junit-jupiter-api-5.10.2.jar"/>
<classpathentry kind="var" path="M2_REPO/org/opentest4j/opentest4j/1.3.0/opentest4j-1.3.0.jar"/>
<classpathentry kind="var" path="M2_REPO/org/junit/platform/junit-platform-commons/1.10.2/junit-platform-commons-1.10.2.jar"/>
<classpathentry kind="var" path="M2_REPO/org/apiguardian/apiguardian-api/1.1.2/apiguardian-api-1.1.2.jar"/>
<classpathentry kind="var" path="M2_REPO/org/junit/jupiter/junit-jupiter-params/5.10.2/junit-jupiter-params-5.10.2.jar"/>
<classpathentry kind="var" path="M2_REPO/org/junit/jupiter/junit-jupiter-engine/5.10.2/junit-jupiter-engine-5.10.2.jar"/>
<classpathentry kind="var" path="M2_REPO/org/junit/platform/junit-platform-engine/1.10.2/junit-platform-engine-1.10.2.jar"/>
</classpath>
.project
<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>egg-tart</name>
<comment>A tiny DSL for stock trading. NO_M2ECLIPSE_SUPPORT: Project files created with the maven-eclipse-plugin are not supported in M2Eclipse.</comment>
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>org.eclipse.jdt.core.javabuilder</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.eclipse.jdt.core.javanature</nature>
</natures>
<filteredResources>
<filter>
<id>1760958095837</id>
<name></name>
<type>30</type>
<matcher>
<id>org.eclipse.core.resources.regexFilterMatcher</id>
<arguments>node_modules|\.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
</matcher>
</filter>
</filteredResources>
</projectDescription>