org.netbeans.modules.java.source.TreeShims Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.netbeans.modules.java.source;
import com.sun.source.doctree.DocTree;
import com.sun.source.doctree.TextTree;
import com.sun.source.doctree.ReferenceTree;
import com.sun.source.tree.BreakTree;
import com.sun.source.tree.CaseTree;
import com.sun.source.tree.ClassTree;
import com.sun.source.tree.CompilationUnitTree;
import com.sun.source.tree.ExpressionTree;
import com.sun.source.tree.InstanceOfTree;
import com.sun.source.tree.ModuleTree;
import com.sun.source.tree.SwitchTree;
import com.sun.source.tree.Tree;
import com.sun.source.tree.VariableTree;
import com.sun.tools.javac.tree.DocTreeMaker;
import com.sun.tools.javac.tree.JCTree;
import com.sun.tools.javac.tree.JCTree.JCClassDecl;
import com.sun.tools.javac.util.Names;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import javax.lang.model.SourceVersion;
import javax.lang.model.element.Name;
import javax.lang.model.element.Element;
import javax.lang.model.element.ElementKind;
import javax.lang.model.element.TypeElement;
import javax.lang.model.util.ElementFilter;
public class TreeShims {
// public static final String BINDING_PATTERN = "BINDING_PATTERN"; //NOI18N
// public static final String SWITCH_EXPRESSION = "SWITCH_EXPRESSION"; //NOI18N
// public static final String YIELD = "YIELD"; //NOI18N
// public static final String BINDING_VARIABLE = "BINDING_VARIABLE"; //NOI18N
// public static final String RECORD = "RECORD"; //NOI18N
// public static final int PATTERN_MATCHING_INSTANCEOF_PREVIEW_JDK_VERSION = 15; //NOI18N
// public static final String DEFAULT_CASE_LABEL = "DEFAULT_CASE_LABEL"; //NOI18N
// public static final String NULL_LITERAL = "NULL_LITERAL"; //NOI18N
// public static final String PARENTHESIZED_PATTERN = "PARENTHESIZED_PATTERN"; //NOI18N
// public static final String GUARDED_PATTERN = "GUARDED_PATTERN"; //NOI18N
//
// public static List getExpressions(CaseTree node) {
// try {
// Method getExpressions = CaseTree.class.getDeclaredMethod("getExpressions");
// return (List) getExpressions.invoke(node);
// } catch (NoSuchMethodException ex) {
// return Collections.singletonList(node.getExpression());
// } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
// throw TreeShims.throwAny(ex);
// }
// }
//
// public static List getLabels(CaseTree node) {
// try {
// Method getLabels = CaseTree.class.getDeclaredMethod("getLabels");
// return (List) getLabels.invoke(node);
// } catch (NoSuchMethodException ex) {
// return null;
// } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
// throw TreeShims.throwAny(ex);
// }
// }
//
// public static Tree getBody(CaseTree node) {
// try {
// Method getBody = CaseTree.class.getDeclaredMethod("getBody");
// return (Tree) getBody.invoke(node);
// } catch (NoSuchMethodException ex) {
// return null;
// } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
// throw TreeShims.throwAny(ex);
// }
// }
//
// public static boolean isRuleCase(CaseTree node) {
// try {
// Method getCaseKind = CaseTree.class.getDeclaredMethod("getCaseKind");
// return "RULE".equals(String.valueOf(getCaseKind.invoke(node)));
// } catch (NoSuchMethodException ex) {
// return false;
// } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
// throw TreeShims.throwAny(ex);
// }
// }
//
// public static Tree getPattern(InstanceOfTree node) {
// try {
// Method getPattern = InstanceOfTree.class.getDeclaredMethod("getPattern");
// return (Tree) getPattern.invoke(node);
// } catch (NoSuchMethodException ex) {
// return null;
// } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
// throw TreeShims.throwAny(ex);
// }
// }
//
// public static List getExpressions(Tree node) {
// List exprTrees = new ArrayList<>();
//
// switch (node.getKind().toString()) {
// case "CASE":
// exprTrees = getExpressions((CaseTree) node);
// break;
// case SWITCH_EXPRESSION: {
// try {
// Class swExprTreeClass = Class.forName("com.sun.source.tree.SwitchExpressionTree");
// Method getExpressions = swExprTreeClass.getDeclaredMethod("getExpression");
// exprTrees = Collections.singletonList((ExpressionTree) getExpressions.invoke(node));
// } catch (ClassNotFoundException | NoSuchMethodException | SecurityException | IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
// throw TreeShims.throwAny(ex);
// }
// break;
// }
// case "SWITCH":
// exprTrees = Collections.singletonList(((SwitchTree) node).getExpression());
// break;
// default:
// break;
// }
// return exprTrees;
// }
//
// public static List getCases(Tree node) {
// List caseTrees = new ArrayList<>();
//
// switch (node.getKind().toString()) {
// case "SWITCH":
// caseTrees = ((SwitchTree) node).getCases();
// break;
// case "SWITCH_EXPRESSION": {
// try {
// Class swExprTreeClass = Class.forName("com.sun.source.tree.SwitchExpressionTree");
// Method getCases = swExprTreeClass.getDeclaredMethod("getCases");
// caseTrees = (List) getCases.invoke(node);
// } catch (ClassNotFoundException | NoSuchMethodException | SecurityException | IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
// throw TreeShims.throwAny(ex);
// }
// }
// }
// return caseTrees;
// }
//
// public static ExpressionTree getValue(BreakTree node) {
// try {
// Method getExpression = BreakTree.class.getDeclaredMethod("getValue");
// return (ExpressionTree) getExpression.invoke(node);
// } catch (NoSuchMethodException ex) {
// return null;
// } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
// throw TreeShims.throwAny(ex);
// }
// }
//
// public static Name getBinding(Tree node) {
// try {
// Class bpt = Class.forName("com.sun.source.tree.BindingPatternTree"); //NOI18N
// return isJDKVersionSupportEnablePreview()
// ? (Name)bpt.getDeclaredMethod("getBinding").invoke(node) //NOI18N
// : ((VariableTree)bpt.getDeclaredMethod("getVariable").invoke(node)).getName(); //NOI18N
//
// } catch (NoSuchMethodException | ClassNotFoundException ex) {
// return null;
// } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
// throw TreeShims.throwAny(ex);
// }
// }
//
// public static Tree getGuardedPattern(Tree node) {
// try {
// Class gpt = Class.forName("com.sun.source.tree.GuardedPatternTree"); //NOI18N
// return isJDKVersionRelease17_Or_Above()
// ? (Tree)gpt.getDeclaredMethod("getPattern").invoke(node) //NOI18N
// : null;
//
// } catch (NoSuchMethodException | ClassNotFoundException ex) {
// return null;
// } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
// throw TreeShims.throwAny(ex);
// }
// }
//
// public static Tree getParenthesizedPattern(Tree node) {
// try {
// Class ppt = Class.forName("com.sun.source.tree.ParenthesizedPatternTree"); //NOI18N
// return isJDKVersionRelease17_Or_Above()
// ? (Tree)ppt.getDeclaredMethod("getPattern").invoke(node) //NOI18N
// : null;
//
// } catch (NoSuchMethodException | ClassNotFoundException ex) {
// return null;
// } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
// throw TreeShims.throwAny(ex);
// }
// }
//
// public static ExpressionTree getGuardedExpression(Tree node) {
// try {
// Class gpt = Class.forName("com.sun.source.tree.GuardedPatternTree"); //NOI18N
// return isJDKVersionRelease17_Or_Above()
// ? (ExpressionTree)gpt.getDeclaredMethod("getExpression").invoke(node) //NOI18N
// : null;
//
// } catch (NoSuchMethodException | ClassNotFoundException ex) {
// return null;
// } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
// throw TreeShims.throwAny(ex);
// }
// }
//
// public static List getPermits(ClassTree node) {
// List perms = null;
// try {
// Class classTree = Class.forName("com.sun.source.tree.ClassTree");
// Method getPerms = classTree.getDeclaredMethod("getPermitsClause");
// perms = (List) getPerms.invoke(node);
// } catch (ClassNotFoundException | NoSuchMethodException ex) {
// return null;
// } catch (SecurityException | IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
// throw TreeShims.throwAny(ex);
// }
// return perms;
// }
//
// public static ReferenceTree getRefrenceTree(DocTreeMaker docMake, ExpressionTree qualExpr, CharSequence member, List paramTypes, Names names, List paramTypesList) {
// int NOPOS = -2;
// try {
// Class classTree = Class.forName("com.sun.tools.javac.tree.DocTreeMaker");
// Method newReferenceTree = classTree.getDeclaredMethod("newReferenceTree", java.lang.String.class, com.sun.tools.javac.tree.JCTree.JCExpression.class, com.sun.tools.javac.tree.JCTree.class, javax.lang.model.element.Name.class, java.util.List.class);
// return (ReferenceTree) newReferenceTree.invoke(docMake.at(NOPOS), "", (JCTree.JCExpression) qualExpr, qualExpr == null ? null : ((JCTree.JCExpression) qualExpr).getTree(), member != null ? (com.sun.tools.javac.util.Name) names.fromString(member.toString()) : null, paramTypesList);
// } catch (ClassNotFoundException | NoSuchMethodException ex) {
// return null;
// } catch (SecurityException | IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
// throw TreeShims.throwAny(ex);
// }
// }
//
// public static List getPermits(JCClassDecl newT) {
// List newPermitings = new ArrayList<>();
// try {
// Class jCClassDecl = Class.forName("com.sun.tools.javac.tree.JCTree$JCClassDecl");
// newPermitings = (com.sun.tools.javac.util.List) jCClassDecl.getDeclaredField("permitting").get(newT);
// } catch (ClassNotFoundException | NoSuchFieldException ex) {
// return null;
// } catch (IllegalArgumentException | IllegalAccessException ex) {
// throw TreeShims.throwAny(ex);
// }
// return newPermitings;
// }
//
// public static ExpressionTree getYieldValue(Tree node) {
// if (!node.getKind().toString().equals(YIELD)) {
// return null;
// }
// try {
// Class yieldTreeClass = Class.forName("com.sun.source.tree.YieldTree"); //NOI18N
// Method getExpression = yieldTreeClass.getDeclaredMethod("getValue"); //NOI18N
// return (ExpressionTree) getExpression.invoke(node);
// } catch (NoSuchMethodException ex) {
// return null;
// } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException | ClassNotFoundException ex) {
// throw TreeShims.throwAny(ex);
// }
// }
//
// public static Tree getBindingPatternType(Tree node) {
// if (!node.getKind().toString().equals(BINDING_PATTERN)) {
// return null;
// }
// try {
// Class bpt = Class.forName("com.sun.source.tree.BindingPatternTree"); //NOI18N
// return isJDKVersionSupportEnablePreview()
// ? (Tree) bpt.getDeclaredMethod("getType").invoke(node) //NOI18N
// : ((VariableTree) bpt.getDeclaredMethod("getVariable").invoke(node)).getType(); //NOI18N
//
// } catch (NoSuchMethodException ex) {
// return null;
// } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException | ClassNotFoundException ex) {
// throw TreeShims.throwAny(ex);
// }
// }
//
// public static boolean isRecord(Element el) {
// return el != null && "RECORD".equals(el.getKind().name());
// }
//
// public static boolean isRecord(final N node) {
// return node != null && TreeShims.RECORD.equals(node.getKind().name());
// }
//
// public static boolean isRecordComponent(Element el) {
// return el != null && "RECORD_COMPONENT".equals(el.getKind().name());
// }
//
//
// public static boolean isRecordComponent(ElementKind kind) {
// return "RECORD_COMPONENT".equals(kind.name());
// }
//
// public static ElementKind getRecordKind() {
// try {
// return ElementKind.valueOf(RECORD); //NOI18N
// } catch (IllegalArgumentException ex) {
// return null;
// }
// }
//
// public static Tree getTarget(Tree node) {
// if (!node.getKind().name().equals(YIELD)) {
// throw new IllegalStateException();
// }
// try {
// Field target = node.getClass().getField("target");
// return (Tree) target.get(node);
// } catch (NoSuchFieldException ex) {
// return null;
// } catch (IllegalAccessException | IllegalArgumentException ex) {
// throw TreeShims.throwAny(ex);
// }
// }
//
//
// public static boolean isJDKVersionSupportEnablePreview() {
// return Integer.valueOf(SourceVersion.latest().name().split("_")[1]).compareTo(PATTERN_MATCHING_INSTANCEOF_PREVIEW_JDK_VERSION) <= 0;
// }
//
// public static boolean isJDKVersionRelease16_Or_Above(){
// return Integer.valueOf(SourceVersion.latest().name().split("_")[1]).compareTo(16) >= 0;
// }
//
//
// public static ModuleTree getModule(CompilationUnitTree cut) {
// try {
// return (ModuleTree) CompilationUnitTree.class.getDeclaredMethod("getModule").invoke(cut);
// } catch (NoSuchMethodException | SecurityException ex) {
// final List typeDecls = cut.getTypeDecls();
// if (!typeDecls.isEmpty()) {
// final Tree typeDecl = typeDecls.get(0);
// if (typeDecl.getKind() == Tree.Kind.MODULE) {
// return (ModuleTree)typeDecl;
// }
// }
// } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
// throwAny(ex);
// }
// return null;
// }
// public static List getSnippetDocTreeAttributes(DocTree node) {
// try {
// Class gpt = Class.forName("com.sun.source.doctree.SnippetTree"); //NOI18N
// return isJDKVersionRelease18_Or_Above()
// ? (List) gpt.getDeclaredMethod("getAttributes").invoke(node) //NOI18N
// : null;
// } catch (NoSuchMethodException | ClassNotFoundException ex) {
// return null;
// } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
// throw TreeShims.throwAny(ex);
// }
// }
//
// public static TextTree getSnippetDocTreeText(DocTree node) {
// try {
// Class gpt = Class.forName("com.sun.source.doctree.SnippetTree"); //NOI18N
// return isJDKVersionRelease18_Or_Above()
// ? (TextTree) gpt.getDeclaredMethod("getBody").invoke(node) //NOI18N
// : null;
// } catch (NoSuchMethodException | ClassNotFoundException ex) {
// return null;
// } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
// throw TreeShims.throwAny(ex);
// }
// }
public static Element toRecordComponent(Element el) {
if (el == null ||el.getKind() != ElementKind.FIELD) {
return el;
}
TypeElement owner = (TypeElement) el.getEnclosingElement();
if (!"RECORD".equals(owner.getKind().name())) {
return el;
}
for (Element encl : ElementFilter.recordComponentsIn(owner.getEnclosedElements())) {
if (encl.getSimpleName().equals(el.getSimpleName())) {
return encl;
}
}
return el;
}
public static boolean isPatternMatch(Tree node) {
if (isJDKVersionRelease17_Or_Above()) {
try {
return node.getClass().getField("patternSwitch").getBoolean(node);
} catch(NoSuchFieldException e){
return false;
}catch (IllegalArgumentException | IllegalAccessException | SecurityException ex) {
throw TreeShims.throwAny(ex);
}
}
return false;
}
public static boolean isJDKVersionRelease17_Or_Above(){
return Integer.valueOf(SourceVersion.latest().name().split("_")[1]).compareTo(17) >= 0;
}
// public static boolean isJDKVersionRelease18_Or_Above() {
// return Integer.valueOf(SourceVersion.latest().name().split("_")[1]).compareTo(18) >= 0;
// }
@SuppressWarnings("unchecked")
public static RuntimeException throwAny(Throwable t) throws T {
throw (T) t;
}
}
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