woggioni/my-gradle-plugins
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added record support to finalguard plugin
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This commit is contained in:
Walter Oggioni
2025-11-19 00:50:23 +08:00
parent d78b8d443e
commit 9dcadec69f
4 changed files with 39 additions and 34 deletions
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62
finalguard/finalguard-javac-plugin/src/main/java/net/woggioni/finalguard/FinalGuardPlugin.java
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@@ -104,8 +104,14 @@ public class FinalGuardPlugin implements Plugin {
}
}
private static boolean isJava17OrHigher() {
return System.getProperty("java.version").compareTo("17") >= 0;
}
private static final Configuration configuration = new Configuration();
private static final boolean isJava17OrHigher = isJava17OrHigher();
@Override
public String getName() {
return getClass().getName();
@@ -140,7 +146,6 @@ public class FinalGuardPlugin implements Plugin {
private final Trees trees;
private final Map<String, VariableInfo> variableInfoMap = new LinkedHashMap<>();
private final Set<String> reassignedVariables = new HashSet<>();
private String currentMethod;
public FinalVariableAnalyzer(CompilationUnitTree compilationUnit, JavacTask task) {
this.compilationUnit = compilationUnit;
@@ -149,50 +154,45 @@ public class FinalGuardPlugin implements Plugin {
@Override
public Void visitMethod(MethodTree node, Void p) {
final String previousMethod = currentMethod;
currentMethod = node.getName().toString();
variableInfoMap.clear();
reassignedVariables.clear();
// Analyze parameters first
for (VariableTree param : node.getParameters()) {
final String varName = param.getName().toString();
variableInfoMap.put(varName, new VariableInfo(param, VariableType.METHOD_PARAM));
}
// Then analyze method body
super.visitMethod(node, p);
// Check for variables that could be final
checkForFinalCandidates();
currentMethod = previousMethod;
return null;
}
@Override
public Void visitVariable(VariableTree node, Void p) {
if (currentMethod != null) {
final String varName = node.getName().toString();
final Tree parent = getCurrentPath().getParentPath().getLeaf();
final VariableType type;
if (parent instanceof LambdaExpressionTree) {
type = VariableType.LAMBDA_PARAM;
} else if (parent instanceof ForLoopTree || parent instanceof EnhancedForLoopTree) {
type = VariableType.LOOP_PARAM;
} else if (parent instanceof CatchTree) {
type = VariableType.CATCH_PARAM;
} else if (parent instanceof TryTree) {
type = VariableType.TRY_WITH_PARAM;
} else if (parent instanceof MethodTree) {
type = VariableType.METHOD_PARAM;
} else if (parent instanceof BlockTree) {
type = VariableType.LOCAL_VAR;
} else {
type = VariableType.LOCAL_VAR;
final String varName = node.getName().toString();
final TreePath currentPath = getCurrentPath();
final TreePath parentPath = currentPath.getParentPath();
final Tree parent = parentPath.getLeaf();
final VariableType type;
if (parent instanceof LambdaExpressionTree) {
type = VariableType.LAMBDA_PARAM;
} else if (parent instanceof ForLoopTree || parent instanceof EnhancedForLoopTree) {
type = VariableType.LOOP_PARAM;
} else if (parent instanceof CatchTree) {
type = VariableType.CATCH_PARAM;
} else if (parent instanceof TryTree) {
type = VariableType.TRY_WITH_PARAM;
} else if (parent instanceof MethodTree) {
type = VariableType.METHOD_PARAM;
if(isJava17OrHigher && ((MethodTree) parent).getName().contentEquals("<init>")) {
final TreePath grandParentPath = parentPath.getParentPath();
if(grandParentPath.getLeaf().getKind() == Tree.Kind.RECORD) {
return super.visitVariable(node, p);
}
}
variableInfoMap.put(varName, new VariableInfo(node, type));
} else if (parent instanceof BlockTree) {
type = VariableType.LOCAL_VAR;
} else {
type = VariableType.LOCAL_VAR;
}
variableInfoMap.put(varName, new VariableInfo(node, type));
return super.visitVariable(node, p);
}

3
finalguard/finalguard-javac-plugin/src/test/java/net/woggioni/finalguard/PluginTest.java
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@@ -165,7 +165,8 @@ public class PluginTest {
LOCAL_VAR.getMessage("result"),
LOCAL_VAR.getMessage("size"),
METHOD_PARAM.getMessage("t1s")
))
)),
Arguments.of(prefix + "TestCase12.java", Collections.emptyList())
);
}
}

4
finalguard/finalguard-javac-plugin/src/test/resources/net/woggioni/finalguard/test/TestCase12.java Normal file
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@@ -0,0 +1,4 @@
import java.util.Arrays;
public record TestCase12<T, U>(double x, double y) {
}