IJ-CR-167991 [java] IDEA-375376 Support JVM Runners for new instance main methods

-small refactoring

(cherry picked from commit 90f8ebc2feae64cb504e0ada6a5625bd25d0b6c9)


(cherry picked from commit 3077e1b9185fb214707c9ce20644ec0faa8b0de4)

IJ-MR-169535

GitOrigin-RevId: 46ff90b6d78ace4f4246c6c3c2e5482686d0926e
This commit is contained in:
Mikhail Pyltsin
2025-07-14 15:02:24 +02:00
committed by intellij-monorepo-bot
parent 601316af28
commit 14ed29db53

View File

@@ -29,18 +29,22 @@ public final class JvmMainMethodUtil {
public static boolean isMainMethod(@NotNull JvmMethod method) {
if (!MAIN.equals(method.getName())) return false;
final JvmClass containingClass = method.getContainingClass();
return containingClass != null && canBeMainClass(containingClass) && (hasMainMethodSignature(method) ||
//just to partially support instance methods for Java, these methods are abandoned
//please use original methods
(method instanceof PsiMethod && PsiMethodUtil.isMainMethod((PsiMethod)method)));
return containingClass != null && canBeMainClass(containingClass) && hasMainMethodSignature(method);
}
public static boolean hasMainMethodInHierarchy(@NotNull JvmClass clazz) {
if (!canBeMainClass(clazz)) return false;
return findMainMethodInHierarchy(clazz) != null ||
//just to partially support instance methods for Java, these methods are abandoned,
//please use original methods
(clazz instanceof PsiClass && PsiMethodUtil.hasMainMethod((PsiClass)clazz));
//just to partially support instance methods for Java, these methods are abandoned,
//please use original methods
if (clazz instanceof PsiClass && PsiMethodUtil.hasMainMethod((PsiClass)clazz)) return true;
JvmMethod methodInHierarchy = JvmHierarchyUtil.traverseSupers(clazz, superClazz -> {
if (superClazz.getClassKind() == JvmClassKind.INTERFACE) {
return null;
}
return findMainMethodInClass(superClazz);
});
return methodInHierarchy != null;
}
private static boolean canBeMainClass(@NotNull JvmClass clazz) {
@@ -50,24 +54,22 @@ public final class JvmMainMethodUtil {
return clazz.getContainingClass() == null || clazz.hasModifier(JvmModifier.STATIC);
}
private static @Nullable JvmMethod findMainMethodInHierarchy(@NotNull JvmClass clazz) {
return JvmHierarchyUtil.traverseSupers(clazz, superClazz -> {
if (superClazz.getClassKind() == JvmClassKind.INTERFACE) {
return null;
}
return findMainMethodInClass(superClazz);
});
}
private static @Nullable JvmMethod findMainMethodInClass(@NotNull JvmClass clazz) {
JvmMethod[] candidates = clazz.findMethodsByName(MAIN);
return find(candidates, JvmMainMethodUtil::hasMainMethodSignature);
}
/**
* @return {@code true} if the method matches {@code public static void xxx(String[] args) {}}, otherwise {@code false}
* @return {@code true} if the method matches {@code public static void xxx(String[] args) {}}, otherwise {@code false}.
* It also supports java instance methods.
* @see JvmMainMethodUtil
*/
private static boolean hasMainMethodSignature(@NotNull JvmMethod method) {
//just to partially support instance methods for Java, these methods are abandoned
//please use original methods
if (method instanceof PsiMethod &&
PsiMethodUtil.isMainMethod((PsiMethod)method)) return true;
if (method.isConstructor()) return false;
if (!method.hasModifier(JvmModifier.PUBLIC)) return false;
if (!method.hasModifier(JvmModifier.STATIC)) return false;