1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
package lombok.javac.handlers;
import static lombok.javac.handlers.PKG.*;
import lombok.Getter;
import lombok.core.AnnotationValues;
import lombok.core.AST.Kind;
import lombok.javac.JavacAnnotationHandler;
import lombok.javac.JavacAST;
import org.mangosdk.spi.ProviderFor;
import com.sun.source.tree.MethodTree;
import com.sun.tools.javac.tree.JCTree;
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.JCStatement;
import com.sun.tools.javac.tree.JCTree.JCTypeParameter;
import com.sun.tools.javac.tree.JCTree.JCVariableDecl;
import com.sun.tools.javac.util.List;
import com.sun.tools.javac.util.Name;
@ProviderFor(JavacAnnotationHandler.class)
public class HandleGetter_javac implements JavacAnnotationHandler<Getter> {
@Override public void handle(AnnotationValues<Getter> annotation, JCAnnotation ast, JavacAST.Node node) {
if ( node.up().getKind() != Kind.FIELD ) {
node.addError("@Getter is only supported on a field.");
return;
}
Getter getter = annotation.getInstance();
JCClassDecl javacClassTree = (JCClassDecl) node.up().up().get();
int access = toJavacModifier(getter.value());
MethodTree getterMethod = createGetter(access, node.up(), node.getTreeMaker());
javacClassTree.defs = javacClassTree.defs.append((JCTree)getterMethod);
}
private MethodTree createGetter(int access, JavacAST.Node field, TreeMaker treeMaker) {
JCVariableDecl fieldNode = (JCVariableDecl) field.get();
JCStatement returnStatement = treeMaker.Return(treeMaker.Ident(fieldNode.getName()));
JCBlock methodBody = treeMaker.Block(0, List.of(returnStatement));
Name methodName = field.toName(toGetterName((JCVariableDecl)field.get()));
JCExpression methodType = fieldNode.type != null ? treeMaker.Type(fieldNode.type) : fieldNode.vartype;
List<JCTypeParameter> methodGenericParams = List.nil();
List<JCVariableDecl> parameters = List.nil();
List<JCExpression> throwsClauses = List.nil();
JCExpression annotationMethodDefaultValue = null;
return treeMaker.MethodDef(treeMaker.Modifiers(access, List.<JCAnnotation>nil()), methodName, methodType,
methodGenericParams, parameters, throwsClauses, methodBody, annotationMethodDefaultValue);
}
}
|
