aboutsummaryrefslogtreecommitdiff
path: root/src/lombok/eclipse/EclipseAST.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/lombok/eclipse/EclipseAST.java')
-rw-r--r--src/lombok/eclipse/EclipseAST.java370
1 files changed, 152 insertions, 218 deletions
diff --git a/src/lombok/eclipse/EclipseAST.java b/src/lombok/eclipse/EclipseAST.java
index 3fdd02e4..53a993ec 100644
--- a/src/lombok/eclipse/EclipseAST.java
+++ b/src/lombok/eclipse/EclipseAST.java
@@ -1,17 +1,13 @@
package lombok.eclipse;
-import static lombok.Lombok.sneakyThrow;
-
-import java.lang.reflect.Field;
-import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
-import java.util.HashMap;
-import java.util.IdentityHashMap;
import java.util.List;
import java.util.Map;
+import lombok.core.AST;
+
import org.eclipse.jdt.core.compiler.CategorizedProblem;
import org.eclipse.jdt.internal.compiler.CompilationResult;
import org.eclipse.jdt.internal.compiler.apt.dispatch.AptProblem;
@@ -22,24 +18,44 @@ import org.eclipse.jdt.internal.compiler.ast.Argument;
import org.eclipse.jdt.internal.compiler.ast.Clinit;
import org.eclipse.jdt.internal.compiler.ast.CompilationUnitDeclaration;
import org.eclipse.jdt.internal.compiler.ast.FieldDeclaration;
+import org.eclipse.jdt.internal.compiler.ast.ImportReference;
import org.eclipse.jdt.internal.compiler.ast.Initializer;
import org.eclipse.jdt.internal.compiler.ast.LocalDeclaration;
+import org.eclipse.jdt.internal.compiler.ast.MethodDeclaration;
import org.eclipse.jdt.internal.compiler.ast.Statement;
import org.eclipse.jdt.internal.compiler.ast.TypeDeclaration;
import org.eclipse.jdt.internal.compiler.problem.ProblemSeverities;
import org.eclipse.jdt.internal.compiler.util.Util;
-public class EclipseAST {
+public class EclipseAST extends AST<ASTNode> {
+ @Override public String getPackageDeclaration() {
+ CompilationUnitDeclaration cud = (CompilationUnitDeclaration) top().get();
+ ImportReference pkg = cud.currentPackage;
+ return pkg == null ? null : Eclipse.toQualifiedName(pkg.getImportName());
+ }
+
+ @Override public Collection<String> getImportStatements() {
+ List<String> imports = new ArrayList<String>();
+ CompilationUnitDeclaration cud = (CompilationUnitDeclaration) top().get();
+ if ( cud.imports == null ) return imports;
+ for ( ImportReference imp : cud.imports ) {
+ if ( imp == null ) continue;
+ imports.add(Eclipse.toQualifiedName(imp.getImportName()));
+ }
+
+ return imports;
+ }
+
public void traverse(EclipseASTVisitor visitor) {
Node current = top();
- visitor.visitCompilationUnit(current, (CompilationUnitDeclaration)current.node);
+ visitor.visitCompilationUnit(current, (CompilationUnitDeclaration)current.get());
traverseChildren(visitor, current);
- visitor.endVisitCompilationUnit(current, (CompilationUnitDeclaration)current.node);
+ visitor.endVisitCompilationUnit(current, (CompilationUnitDeclaration)current.get());
}
private void traverseChildren(EclipseASTVisitor visitor, Node node) {
- for ( Node child : node.children ) {
- ASTNode n = child.node;
+ for ( Node child : node.down() ) {
+ ASTNode n = child.get();
if ( n instanceof TypeDeclaration ) {
visitor.visitType(child, (TypeDeclaration)n);
traverseChildren(visitor, child);
@@ -57,20 +73,33 @@ public class EclipseAST {
visitor.visitMethod(child, (AbstractMethodDeclaration)n);
traverseChildren(visitor, child);
visitor.endVisitMethod(child, (AbstractMethodDeclaration)n);
+ } else if ( n instanceof Argument ) {
+ ASTNode parent = child.up().get();
+ AbstractMethodDeclaration method = null;
+ if ( parent instanceof AbstractMethodDeclaration ) method = (AbstractMethodDeclaration)parent;
+ else System.out.println("Weird, this isn't a desc of method: " + parent.getClass() + ": " + parent);
+ visitor.visitMethodArgument(child, (Argument)n, method);
+ traverseChildren(visitor, child);
+ visitor.endVisitMethodArgument(child, (Argument)n, method);
} else if ( n instanceof LocalDeclaration ) {
visitor.visitLocal(child, (LocalDeclaration)n);
traverseChildren(visitor, child);
visitor.endVisitLocal(child, (LocalDeclaration)n);
} else if ( n instanceof Annotation ) {
Node parent = child.up();
- if ( parent.node instanceof TypeDeclaration )
- visitor.visitAnnotationOnType((TypeDeclaration)parent.node, child, (Annotation)n);
- else if ( parent.node instanceof AbstractMethodDeclaration )
- visitor.visitAnnotationOnMethod((AbstractMethodDeclaration)parent.node, child, (Annotation)n);
- else if ( parent.node instanceof FieldDeclaration )
- visitor.visitAnnotationOnField((FieldDeclaration)parent.node, child, (Annotation)n);
- else if ( parent.node instanceof LocalDeclaration )
- visitor.visitAnnotationOnLocal((LocalDeclaration)parent.node, child, (Annotation)n);
+ if ( parent.get() instanceof TypeDeclaration )
+ visitor.visitAnnotationOnType((TypeDeclaration)parent.get(), child, (Annotation)n);
+ else if ( parent.get() instanceof AbstractMethodDeclaration )
+ visitor.visitAnnotationOnMethod((AbstractMethodDeclaration)parent.get(), child, (Annotation)n);
+ else if ( parent.get() instanceof FieldDeclaration )
+ visitor.visitAnnotationOnField((FieldDeclaration)parent.get(), child, (Annotation)n);
+ else if ( parent.get() instanceof Argument )
+ visitor.visitAnnotationOnMethodArgument(
+ (Argument)parent.get(),
+ (AbstractMethodDeclaration)parent.directUp().get(),
+ child, (Annotation)n);
+ else if ( parent.get() instanceof LocalDeclaration )
+ visitor.visitAnnotationOnLocal((LocalDeclaration)parent.get(), child, (Annotation)n);
} else if ( n instanceof Statement ) {
visitor.visitStatement(child, (Statement)n);
traverseChildren(visitor, child);
@@ -83,16 +112,12 @@ public class EclipseAST {
return completeParse;
}
- public String getFileName() {
- return fileName;
- }
-
- public Node top() {
- return top;
+ @Override public Node top() {
+ return (Node) super.top();
}
public Node get(ASTNode node) {
- return nodeMap.get(node);
+ return (Node) super.get(node);
}
private class ParseProblem {
@@ -111,14 +136,14 @@ public class EclipseAST {
}
void addToCompilationResult() {
- addProblemToCompilationResult(getFileName(), (CompilationUnitDeclaration) top().getEclipseNode(),
- isWarning, message, node.getEclipseNode(), sourceStart, sourceEnd);
+ addProblemToCompilationResult(getFileName(), (CompilationUnitDeclaration) top().get(),
+ isWarning, message, node.get(), sourceStart, sourceEnd);
}
}
- public void propagateProblems() {
+ private void propagateProblems() {
if ( queuedProblems.isEmpty() ) return;
- CompilationUnitDeclaration cud = (CompilationUnitDeclaration) top().getEclipseNode();
+ CompilationUnitDeclaration cud = (CompilationUnitDeclaration) top().get();
if ( cud.compilationResult == null ) return;
for ( ParseProblem problem : queuedProblems ) problem.addToCompilationResult();
queuedProblems.clear();
@@ -152,59 +177,44 @@ public class EclipseAST {
ast.compilationResult.record(ecProblem, null);
}
- public final class Node {
- final ASTNode node;
- Node parent;
- final Collection<Node> children;
- boolean handled;
- private final boolean isStructurallySignificant;
+ public final class Node extends AST<ASTNode>.Node {
+ Node(ASTNode node, Collection<Node> children, Kind kind) {
+ super(node, children, kind);
+ }
- Node(ASTNode node, Collection<Node> children) {
- this.node = node;
- this.children = children == null ? Collections.<Node>emptyList() : children;
- this.isStructurallySignificant = calculateIsStructurallySignificant();
+ @Override public String getName() {
+ final char[] n;
+ if ( node instanceof TypeDeclaration ) n = ((TypeDeclaration)node).name;
+ else if ( node instanceof FieldDeclaration ) n = ((FieldDeclaration)node).name;
+ else if ( node instanceof AbstractMethodDeclaration ) n = ((AbstractMethodDeclaration)node).selector;
+ else if ( node instanceof LocalDeclaration ) n = ((LocalDeclaration)node).name;
+ else n = null;
+
+ return n == null ? null : new String(n);
}
- public void addError(String message) {
- this.addError(message, this.getEclipseNode().sourceStart, this.getEclipseNode().sourceEnd);
+ @Override public void addError(String message) {
+ this.addError(message, this.get().sourceStart, this.get().sourceEnd);
}
public void addError(String message, int sourceStart, int sourceEnd) {
addProblem(new ParseProblem(false, message, this, sourceStart, sourceEnd));
}
- public void addWarning(String message) {
- this.addWarning(message, this.getEclipseNode().sourceStart, this.getEclipseNode().sourceEnd);
+ @Override public void addWarning(String message) {
+ this.addWarning(message, this.get().sourceStart, this.get().sourceEnd);
}
public void addWarning(String message, int sourceStart, int sourceEnd) {
addProblem(new ParseProblem(true, message, this, sourceStart, sourceEnd));
}
- public ASTNode getEclipseNode() {
- return node;
- }
-
- /** Returns the structurally significant node that encloses this one.
- *
- * @see #isStructurallySignificant()
- */
- public Node up() {
- Node result = parent;
- while ( result != null && !result.isStructurallySignificant() ) result = result.parent;
- return result;
- }
-
- /**
- * Structurally significant means: LocalDeclaration, TypeDeclaration, MethodDeclaration, ConstructorDeclaration,
- * FieldDeclaration, Initializer, and CompilationUnitDeclaration.
- * The rest is e.g. if statements, while loops, etc.
- */
- public boolean isStructurallySignificant() {
- return isStructurallySignificant;
+ /** {@inheritDoc} */
+ @Override public Node up() {
+ return (Node) super.up();
}
- private boolean calculateIsStructurallySignificant() {
+ @Override protected boolean calculateIsStructurallySignificant() {
if ( node instanceof TypeDeclaration ) return true;
if ( node instanceof AbstractMethodDeclaration ) return true;
if ( node instanceof FieldDeclaration ) return true;
@@ -213,33 +223,20 @@ public class EclipseAST {
return false;
}
- /**
- * Returns the direct parent node in the AST tree of this node. For example, a local variable declaration's
- * direct parent can be e.g. an If block, but its up() Node is the Method that contains it.
- */
+ /** {@inheritDoc} */
public Node directUp() {
- return parent;
- }
-
- public Collection<Node> down() {
- return children;
- }
-
- public boolean isHandled() {
- return handled;
+ return (Node) super.directUp();
}
- public Node setHandled() {
- this.handled = true;
- return this;
+ /** {@inheritDoc} */
+ @SuppressWarnings("unchecked")
+ @Override public Collection<Node> down() {
+ return (Collection<Node>) children;
}
- public Node top() {
- return top;
- }
-
- public String getFileName() {
- return fileName;
+ /** {@inheritDoc} */
+ @Override public Node top() {
+ return (Node) super.top();
}
public boolean isCompleteParse() {
@@ -247,33 +244,33 @@ public class EclipseAST {
}
}
- private final Map<ASTNode, Void> identityDetector = new IdentityHashMap<ASTNode, Void>();
- private Map<ASTNode, Node> nodeMap = new HashMap<ASTNode, Node>();
private final CompilationUnitDeclaration compilationUnitDeclaration;
- private final String fileName;
- private Node top;
private boolean completeParse;
public EclipseAST(CompilationUnitDeclaration ast) {
+ super(toFileName(ast));
this.compilationUnitDeclaration = ast;
- this.fileName = ast.compilationResult.fileName == null ? "(unknown).java" : new String(ast.compilationResult.fileName);
- this.top = buildTree(ast);
+ setTop(buildCompilationUnit(ast));
this.completeParse = isComplete(ast);
}
+ private static String toFileName(CompilationUnitDeclaration ast) {
+ return ast.compilationResult.fileName == null ? null : new String(ast.compilationResult.fileName);
+ }
+
public void reparse() {
propagateProblems();
if ( completeParse ) return;
boolean newCompleteParse = isComplete(compilationUnitDeclaration);
if ( !newCompleteParse ) return;
- Map<ASTNode, Node> oldMap = nodeMap;
- nodeMap = new HashMap<ASTNode, Node>();
- this.top = buildTree(compilationUnitDeclaration);
+ Map<ASTNode, AST<ASTNode>.Node> oldMap = getNodeMap();
+ clearState();
+ setTop(buildCompilationUnit(compilationUnitDeclaration));
//Retain 'handled' flags.
- for ( Map.Entry<ASTNode, Node> e : nodeMap.entrySet() ) {
- Node oldEntry = oldMap.get(e.getKey());
- if ( oldEntry != null && oldEntry.handled ) e.getValue().handled = true;
+ for ( Map.Entry<ASTNode, AST<ASTNode>.Node> e : getNodeMap().entrySet() ) {
+ Node oldEntry = (Node) oldMap.get(e.getKey());
+ if ( oldEntry != null && oldEntry.isHandled() ) e.getValue().setHandled();
}
this.completeParse = true;
@@ -283,44 +280,36 @@ public class EclipseAST {
return (unit.bits & ASTNode.HasAllMethodBodies) > 0;
}
- private Node putInMap(Node parent) {
- for ( Node child : parent.children ) child.parent = parent;
- nodeMap.put(parent.node, parent);
- identityDetector.put(parent.node, null);
- return parent;
- }
-
- private Node buildTree(CompilationUnitDeclaration top) {
- identityDetector.clear();
- Collection<Node> children = buildTree(top.types);
- return putInMap(new Node(top, children));
+ private Node buildCompilationUnit(CompilationUnitDeclaration top) {
+ Collection<Node> children = buildTypes(top.types);
+ return putInMap(new Node(top, children, Kind.COMPILATION_UNIT));
}
private void addIfNotNull(Collection<Node> collection, Node n) {
if ( n != null ) collection.add(n);
}
- private Collection<Node> buildTree(TypeDeclaration[] children) {
+ private Collection<Node> buildTypes(TypeDeclaration[] children) {
if ( children == null ) return Collections.emptyList();
List<Node> childNodes = new ArrayList<Node>();
- for ( TypeDeclaration type : children ) addIfNotNull(childNodes, buildTree(type));
+ for ( TypeDeclaration type : children ) addIfNotNull(childNodes, buildType(type));
return childNodes;
}
- private Node buildTree(TypeDeclaration type) {
- if ( identityDetector.containsKey(type) ) return null;
+ private Node buildType(TypeDeclaration type) {
+ if ( alreadyHandled(type) ) return null;
List<Node> childNodes = new ArrayList<Node>();
- childNodes.addAll(buildTree(type.fields));
- childNodes.addAll(buildTree(type.memberTypes));
- childNodes.addAll(buildTree(type.methods));
- childNodes.addAll(buildTree(type.annotations));
- return putInMap(new Node(type, childNodes));
+ childNodes.addAll(buildFields(type.fields));
+ childNodes.addAll(buildTypes(type.memberTypes));
+ childNodes.addAll(buildMethods(type.methods));
+ childNodes.addAll(buildAnnotations(type.annotations));
+ return putInMap(new Node(type, childNodes, Kind.TYPE));
}
- private Collection<Node> buildTree(FieldDeclaration[] children) {
+ private Collection<Node> buildFields(FieldDeclaration[] children) {
if ( children == null ) return Collections.emptyList();
List<Node> childNodes = new ArrayList<Node>();
- for ( FieldDeclaration child : children ) addIfNotNull(childNodes, buildTree(child));
+ for ( FieldDeclaration child : children ) addIfNotNull(childNodes, buildField(child));
return childNodes;
}
@@ -329,152 +318,97 @@ public class EclipseAST {
else return Collections.singleton(item);
}
- private Node buildTree(FieldDeclaration field) {
- if ( field instanceof Initializer ) return buildTree((Initializer)field);
- if ( identityDetector.containsKey(field) ) return null;
+ private Node buildField(FieldDeclaration field) {
+ if ( field instanceof Initializer ) return buildInitializer((Initializer)field);
+ if ( alreadyHandled(field) ) return null;
List<Node> childNodes = new ArrayList<Node>();
- addIfNotNull(childNodes, buildWithStatement(field.initialization));
- childNodes.addAll(buildTree(field.annotations));
- return putInMap(new Node(field, childNodes));
+ addIfNotNull(childNodes, buildStatement(field.initialization));
+ childNodes.addAll(buildAnnotations(field.annotations));
+ return putInMap(new Node(field, childNodes, Kind.FIELD));
}
- private Node buildTree(Initializer initializer) {
- if ( identityDetector.containsKey(initializer) ) return null;
- return putInMap(new Node(initializer, singleton(buildWithStatement(initializer.block))));
+ private Node buildInitializer(Initializer initializer) {
+ if ( alreadyHandled(initializer) ) return null;
+ return putInMap(new Node(initializer, singleton(buildStatement(initializer.block)), Kind.INITIALIZER));
}
- private Collection<Node> buildTree(AbstractMethodDeclaration[] children) {
+ private Collection<Node> buildMethods(AbstractMethodDeclaration[] children) {
if ( children == null ) return Collections.emptyList();
List<Node> childNodes = new ArrayList<Node>();
- for (AbstractMethodDeclaration method : children ) addIfNotNull(childNodes, buildTree(method));
+ for (AbstractMethodDeclaration method : children ) addIfNotNull(childNodes, buildMethod(method));
return childNodes;
}
- private Node buildTree(AbstractMethodDeclaration method) {
- if ( identityDetector.containsKey(method) ) return null;
+ private Node buildMethod(AbstractMethodDeclaration method) {
+ if ( alreadyHandled(method) ) return null;
List<Node> childNodes = new ArrayList<Node>();
- childNodes.addAll(buildTree(method.arguments));
- childNodes.addAll(buildTree(method.statements));
- childNodes.addAll(buildTree(method.annotations));
- return putInMap(new Node(method, childNodes));
+ childNodes.addAll(buildArguments(method.arguments));
+ childNodes.addAll(buildStatements(method.statements));
+ childNodes.addAll(buildAnnotations(method.annotations));
+ return putInMap(new Node(method, childNodes, Kind.METHOD));
}
//Arguments are a kind of LocalDeclaration. They can definitely contain lombok annotations, so we care about them.
- private Collection<Node> buildTree(Argument[] children) {
+ private Collection<Node> buildArguments(Argument[] children) {
if ( children == null ) return Collections.emptyList();
List<Node> childNodes = new ArrayList<Node>();
for ( LocalDeclaration local : children ) {
- addIfNotNull(childNodes, buildTree(local));
+ addIfNotNull(childNodes, buildLocal(local));
}
return childNodes;
}
- private Node buildTree(LocalDeclaration local) {
- if ( identityDetector.containsKey(local) ) return null;
+ private Node buildLocal(LocalDeclaration local) {
+ if ( alreadyHandled(local) ) return null;
List<Node> childNodes = new ArrayList<Node>();
- addIfNotNull(childNodes, buildWithStatement(local.initialization));
- childNodes.addAll(buildTree(local.annotations));
- return putInMap(new Node(local, childNodes));
+ addIfNotNull(childNodes, buildStatement(local.initialization));
+ childNodes.addAll(buildAnnotations(local.annotations));
+ return putInMap(new Node(local, childNodes, Kind.LOCAL));
}
- private Collection<Node> buildTree(Annotation[] annotations) {
+ private Collection<Node> buildAnnotations(Annotation[] annotations) {
if ( annotations == null ) return Collections.emptyList();
List<Node> elements = new ArrayList<Node>();
for ( Annotation an : annotations ) {
if ( an == null ) continue;
- elements.add(putInMap(new Node(an, null)));
+ if ( alreadyHandled(an) ) continue;
+ elements.add(putInMap(new Node(an, null, Kind.ANNOTATION)));
}
return elements;
}
- private Collection<Node> buildTree(Statement[] children) {
+ private Collection<Node> buildStatements(Statement[] children) {
if ( children == null ) return Collections.emptyList();
List<Node> childNodes = new ArrayList<Node>();
- for ( Statement child : children ) addIfNotNull(childNodes, buildWithStatement(child));
+ for ( Statement child : children ) addIfNotNull(childNodes, buildStatement(child));
return childNodes;
}
//Almost anything is a statement, so this method has a different name to avoid overloading confusion
- private Node buildWithStatement(Statement child) {
- if ( child == null || identityDetector.containsKey(child) ) return null;
- if ( child instanceof TypeDeclaration ) return buildTree((TypeDeclaration)child);
+ private Node buildStatement(Statement child) {
+ if ( child == null || alreadyHandled(child) ) return null;
+ if ( child instanceof TypeDeclaration ) return buildType((TypeDeclaration)child);
- if ( child instanceof LocalDeclaration ) return buildTree((LocalDeclaration)child);
+ if ( child instanceof LocalDeclaration ) return buildLocal((LocalDeclaration)child);
//We drill down because LocalDeclarations and TypeDeclarations can occur anywhere, even in, say,
//an if block, or even the expression on an assert statement!
- identityDetector.put(child, null);
+ setAsHandled(child);
return drill(child);
}
- private Node drill(Statement statement) {
+ protected Node drill(Statement statement) {
List<Node> childNodes = new ArrayList<Node>();
- for ( FieldAccess fa : fieldsOf(statement.getClass()) ) childNodes.addAll(buildWithField(statement, fa));
- return putInMap(new Node(statement, childNodes));
- }
-
- private static class FieldAccess {
- final Field field;
- final int dim;
-
- FieldAccess(Field field, int dim) {
- this.field = field;
- this.dim = dim;
- }
- }
-
- private static Map<Class<?>, Collection<FieldAccess>> fieldsOfASTClasses = new HashMap<Class<?>, Collection<FieldAccess>>();
- private Collection<FieldAccess> fieldsOf(Class<?> c) {
- Collection<FieldAccess> fields = fieldsOfASTClasses.get(c);
- if ( fields != null ) return fields;
-
- fields = new ArrayList<FieldAccess>();
- getFields(c, fields);
- fieldsOfASTClasses.put(c, fields);
- return fields;
- }
-
- private void getFields(Class<?> c, Collection<FieldAccess> fields) {
- if ( c == ASTNode.class || c == null ) return;
- for ( Field f : c.getDeclaredFields() ) {
- if ( Modifier.isStatic(f.getModifiers()) ) continue;
- Class<?> t = f.getType();
- int dim = 0;
- while ( t.isArray() ) {
- dim++;
- t = t.getComponentType();
- }
- if ( Statement.class.isAssignableFrom(t) ) {
- f.setAccessible(true);
- fields.add(new FieldAccess(f, dim));
- }
- }
- getFields(c.getSuperclass(), fields);
+ for ( FieldAccess fa : fieldsOf(statement.getClass()) ) childNodes.addAll(buildWithField(Node.class, statement, fa));
+ return putInMap(new Node(statement, childNodes, Kind.STATEMENT));
}
- private Collection<Node> buildWithField(Statement statement, FieldAccess fa) {
- List<Node> list = new ArrayList<Node>();
- buildWithField(statement, fa, list);
- return list;
+ @Override protected Collection<Class<? extends ASTNode>> getStatementTypes() {
+ return Collections.<Class<? extends ASTNode>>singleton(Statement.class);
}
- private void buildWithField(Statement child, FieldAccess fa, Collection<Node> list) {
- try {
- Object o = fa.field.get(child);
- if ( fa.dim == 0 ) addIfNotNull(list, buildWithStatement((Statement)o));
- else buildWithArray(o, list, fa.dim);
- } catch ( IllegalAccessException e ) {
- sneakyThrow(e);
- }
- }
-
- private void buildWithArray(Object array, Collection<Node> list, int dim) {
- if ( array == null ) return;
- if ( dim == 1 ) for ( Object v : (Object[])array ) {
- addIfNotNull(list, buildWithStatement((Statement)v));
- } else for ( Object v : (Object[])array ) {
- buildWithArray(v, list, dim-1);
- }
+ @Override protected Node buildStatement(Object node) {
+ return buildStatement((Statement)node);
}
}