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Work on HandleData, as well as generalizing features in the the PKG class and updating HandleGetter/Setter to call into it.

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This commit is contained in:
Reinier Zwitserloot committed 2009-06-24 01:23:10 +02:00
1 parent c346b5c054
commit 6d42559417
6 files changed
+99 -22
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src/lombok/javac/HandlerLibrary.java
+12
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@@ -13,6 +13,7 @@ import javax.annotation.processing.Messager;
import javax.lang.model.element.TypeElement;
import javax.tools.Diagnostic;
import lombok.core.PrintAST;
import lombok.core.SpiLoadUtil;
import lombok.core.TypeLibrary;
import lombok.core.TypeResolver;
@@ -27,6 +28,7 @@ public class HandlerLibrary {
private final Map<String, AnnotationHandlerContainer<?>> annotationHandlers = new HashMap<String, AnnotationHandlerContainer<?>>();
private final Collection<JavacASTVisitor> visitorHandlers = new ArrayList<JavacASTVisitor>();
private final Messager messager;
private boolean skipPrintAST = true;
public HandlerLibrary(Messager messager) {
this.messager = messager;
@@ -111,6 +113,8 @@ public class HandlerLibrary {
String rawType = annotation.annotationType.toString();
boolean handled = false;
for ( String fqn : resolver.findTypeMatches(node, rawType) ) {
boolean isPrintAST = fqn.equals(PrintAST.class.getName());
if ( isPrintAST == skipPrintAST ) continue;
AnnotationHandlerContainer<?> container = annotationHandlers.get(fqn);
if ( container == null ) continue;
@@ -137,4 +141,12 @@ public class HandlerLibrary {
public boolean hasHandlerFor(TypeElement annotationType) {
return annotationHandlers.containsKey(annotationType.getQualifiedName().toString());
}
public void skipPrintAST() {
skipPrintAST = true;
}
public void skipAllButPrintAST() {
skipPrintAST = false;
}
}
src/lombok/javac/apt/Processor.java
+6
View File
@@ -56,10 +56,16 @@ public class Processor extends AbstractProcessor {
for ( JCCompilationUnit unit : units.keySet() ) asts.add(new JavacAST(trees, processingEnv, unit));
handlers.skipPrintAST();
for ( JavacAST ast : asts ) {
ast.traverse(new AnnotationVisitor());
handlers.callASTVisitors(ast);
}
handlers.skipAllButPrintAST();
for ( JavacAST ast : asts ) {
ast.traverse(new AnnotationVisitor());
}
return false;
}
src/lombok/javac/handlers/HandleData.java
+42 -6
View File
@@ -1,7 +1,8 @@
package lombok.javac.handlers;
import java.util.ArrayList;
import java.util.List;
import java.lang.reflect.Modifier;
import static lombok.javac.handlers.PKG.*;
import lombok.Data;
import lombok.core.AnnotationValues;
@@ -12,9 +13,17 @@ import lombok.javac.JavacAST.Node;
import org.mangosdk.spi.ProviderFor;
import com.sun.tools.javac.code.Flags;
import com.sun.tools.javac.tree.TreeMaker;
import com.sun.tools.javac.tree.JCTree.JCAnnotation;
import com.sun.tools.javac.tree.JCTree.JCAssign;
import com.sun.tools.javac.tree.JCTree.JCClassDecl;
import com.sun.tools.javac.tree.JCTree.JCExpression;
import com.sun.tools.javac.tree.JCTree.JCFieldAccess;
import com.sun.tools.javac.tree.JCTree.JCMethodDecl;
import com.sun.tools.javac.tree.JCTree.JCModifiers;
import com.sun.tools.javac.tree.JCTree.JCStatement;
import com.sun.tools.javac.tree.JCTree.JCVariableDecl;
import com.sun.tools.javac.util.List;
@ProviderFor(JavacAnnotationHandler.class)
public class HandleData implements JavacAnnotationHandler<Data> {
@@ -25,25 +34,52 @@ public class HandleData implements JavacAnnotationHandler<Data> {
long flags = typeDecl.mods.flags;
boolean notAClass = (flags & (Flags.INTERFACE | Flags.ENUM | Flags.ANNOTATION)) != 0;
if ( typeDecl != null || notAClass ) {
if ( typeDecl == null || notAClass ) {
annotationNode.addError("@Data is only supported on a class.");
return false;
}
List<Node> nodesForEquality = new ArrayList<Node>();
List<Node> nodesForEquality = List.nil();
List<Node> nodesForConstructorAndToString = List.nil();
for ( Node child : typeNode.down() ) {
if ( child.getKind() != Kind.FIELD ) continue;
JCVariableDecl fieldDecl = (JCVariableDecl) child.get();
long fieldFlags = fieldDecl.mods.flags;
//Skip static fields.
if ( (fieldFlags & Flags.STATIC) != 0 ) continue;
if ( (fieldFlags & Flags.TRANSIENT) == 0 ) nodesForEquality.add(child);
if ( (fieldFlags & Flags.TRANSIENT) == 0 ) nodesForEquality = nodesForEquality.append(child);
nodesForConstructorAndToString = nodesForConstructorAndToString.append(child);
new HandleGetter().generateGetterForField(child, annotationNode.get());
if ( (fieldFlags & Flags.FINAL) == 0 )
new HandleSetter().generateSetterForField(child, annotationNode.get());
}
//TODO generate constructor, hashCode, equals, toString.
String staticConstructorName = annotation.getInstance().staticConstructor();
JCMethodDecl constructor = createConstructor(staticConstructorName.equals(""), typeNode, nodesForConstructorAndToString);
injectMethod(typeNode, constructor);
//TODO generate static constructors, hashCode, equals, toString.
return true;
}
private JCMethodDecl createConstructor(boolean isPublic, Node typeNode, List<Node> fields) {
TreeMaker maker = typeNode.getTreeMaker();
JCClassDecl type = (JCClassDecl) typeNode.get();
List<JCStatement> assigns = List.nil();
List<JCVariableDecl> params = List.nil();
for ( Node fieldNode : fields ) {
JCVariableDecl field = (JCVariableDecl) fieldNode.get();
JCVariableDecl param = maker.VarDef(maker.Modifiers(0), field.name, field.vartype, null);
params = params.append(param);
JCFieldAccess thisX = maker.Select(maker.Ident(fieldNode.toName("this")), field.name);
JCAssign assign = maker.Assign(thisX, maker.Ident(field.name));
assigns = assigns.append(maker.Exec(assign));
}
JCModifiers mods = maker.Modifiers(isPublic ? Modifier.PUBLIC : Modifier.PRIVATE);
return maker.MethodDef(mods,
typeNode.toName("<init>"), null, type.typarams, params, List.<JCExpression>nil(), maker.Block(0L, assigns), null);
}
}
src/lombok/javac/handlers/HandleGetter.java
+1 -8
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@@ -1,7 +1,6 @@
package lombok.javac.handlers;
import static lombok.javac.handlers.PKG.*;
import lombok.AccessLevel;
import lombok.Getter;
import lombok.core.AnnotationValues;
@@ -16,7 +15,6 @@ import com.sun.tools.javac.code.Flags;
import com.sun.tools.javac.tree.TreeMaker;
import com.sun.tools.javac.tree.JCTree.JCAnnotation;
import com.sun.tools.javac.tree.JCTree.JCBlock;
import com.sun.tools.javac.tree.JCTree.JCClassDecl;
import com.sun.tools.javac.tree.JCTree.JCExpression;
import com.sun.tools.javac.tree.JCTree.JCMethodDecl;
import com.sun.tools.javac.tree.JCTree.JCStatement;
@@ -75,14 +73,9 @@ public class HandleGetter implements JavacAnnotationHandler<Getter> {
//continue with creating the getter
}
JCClassDecl javacClassTree = (JCClassDecl) fieldNode.up().get();
long access = toJavacModifier(level) | (fieldDecl.mods.flags & Flags.STATIC);
JCMethodDecl getterMethod = createGetter(access, fieldNode, fieldNode.getTreeMaker());
javacClassTree.defs = javacClassTree.defs.append(getterMethod);
fieldNode.up().add(getterMethod, Kind.METHOD).recursiveSetHandled();
injectMethod(fieldNode.up(), createGetter(access, fieldNode, fieldNode.getTreeMaker()));
return true;
}
src/lombok/javac/handlers/HandleSetter.java
+2 -8
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@@ -17,7 +17,6 @@ import com.sun.tools.javac.tree.TreeMaker;
import com.sun.tools.javac.tree.JCTree.JCAnnotation;
import com.sun.tools.javac.tree.JCTree.JCAssign;
import com.sun.tools.javac.tree.JCTree.JCBlock;
import com.sun.tools.javac.tree.JCTree.JCClassDecl;
import com.sun.tools.javac.tree.JCTree.JCExpression;
import com.sun.tools.javac.tree.JCTree.JCFieldAccess;
import com.sun.tools.javac.tree.JCTree.JCMethodDecl;
@@ -78,14 +77,9 @@ public class HandleSetter implements JavacAnnotationHandler<Setter> {
//continue with creating the setter
}
JCClassDecl javacClassTree = (JCClassDecl) fieldNode.up().get();
long access = toJavacModifier(level) | (fieldDecl.mods.flags & Flags.STATIC);
JCMethodDecl setterMethod = createSetter(access, fieldNode, fieldNode.getTreeMaker());
javacClassTree.defs = javacClassTree.defs.append(setterMethod);
fieldNode.up().add(setterMethod, Kind.METHOD).recursiveSetHandled();
injectMethod(fieldNode.up(), createSetter(access, fieldNode, fieldNode.getTreeMaker()));
return true;
}
@@ -98,7 +92,7 @@ public class HandleSetter implements JavacAnnotationHandler<Setter> {
JCBlock methodBody = treeMaker.Block(0, List.<JCStatement>of(treeMaker.Exec(assign)));
Name methodName = field.toName(toSetterName(fieldDecl));
JCVariableDecl param = treeMaker.VarDef(treeMaker.Modifiers(0, List.<JCAnnotation>nil()), fieldDecl.name, fieldDecl.vartype, null);
JCVariableDecl param = treeMaker.VarDef(treeMaker.Modifiers(0), fieldDecl.name, fieldDecl.vartype, null);
JCExpression methodType = treeMaker.Type(field.getSymbolTable().voidType);
List<JCTypeParameter> methodGenericParams = List.nil();
src/lombok/javac/handlers/PKG.java
+36
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@@ -2,13 +2,16 @@ package lombok.javac.handlers;
import java.lang.reflect.Modifier;
import com.sun.tools.javac.code.Flags;
import com.sun.tools.javac.tree.JCTree;
import com.sun.tools.javac.tree.JCTree.JCClassDecl;
import com.sun.tools.javac.tree.JCTree.JCMethodDecl;
import com.sun.tools.javac.tree.JCTree.JCVariableDecl;
import com.sun.tools.javac.util.List;
import lombok.AccessLevel;
import lombok.core.TransformationsUtil;
import lombok.core.AST.Kind;
import lombok.javac.JavacAST;
class PKG {
@@ -66,4 +69,37 @@ class PKG {
return Modifier.PROTECTED;
}
}
static void injectMethod(JavacAST.Node typeNode, JCMethodDecl method) {
JCClassDecl type = (JCClassDecl) typeNode.get();
if ( method.getName().contentEquals("<init>") ) {
//Scan for default constructor, and remove it.
int idx = 0;
for ( JCTree def : type.defs ) {
if ( def instanceof JCMethodDecl ) {
if ( (((JCMethodDecl)def).mods.flags & Flags.GENERATEDCONSTR) != 0 ) {
JavacAST.Node tossMe = typeNode.getNodeFor(def);
if ( tossMe != null ) tossMe.up().removeChild(tossMe);
type.defs = addAllButOne(type.defs, idx);
break;
}
}
idx++;
}
}
type.defs = type.defs.append(method);
typeNode.add(method, Kind.METHOD).recursiveSetHandled();
}
private static List<JCTree> addAllButOne(List<JCTree> defs, int idx) {
List<JCTree> out = List.nil();
int i = 0;
for ( JCTree def : defs ) {
if ( i++ != idx ) out = out.append(def);
}
return out;
}
}