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
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
package lombok.eclipse.handlers;
import static lombok.eclipse.handlers.PKG.*;
import lombok.AccessLevel;
import lombok.Setter;
import lombok.core.AnnotationValues;
import lombok.core.TransformationsUtil;
import lombok.core.AST.Kind;
import lombok.eclipse.Eclipse;
import lombok.eclipse.EclipseAnnotationHandler;
import lombok.eclipse.EclipseAST.Node;
import org.eclipse.jdt.internal.compiler.ast.ASTNode;
import org.eclipse.jdt.internal.compiler.ast.Annotation;
import org.eclipse.jdt.internal.compiler.ast.Argument;
import org.eclipse.jdt.internal.compiler.ast.Assignment;
import org.eclipse.jdt.internal.compiler.ast.FieldDeclaration;
import org.eclipse.jdt.internal.compiler.ast.FieldReference;
import org.eclipse.jdt.internal.compiler.ast.MethodDeclaration;
import org.eclipse.jdt.internal.compiler.ast.SingleNameReference;
import org.eclipse.jdt.internal.compiler.ast.Statement;
import org.eclipse.jdt.internal.compiler.ast.ThisReference;
import org.eclipse.jdt.internal.compiler.ast.TypeDeclaration;
import org.eclipse.jdt.internal.compiler.ast.TypeReference;
import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;
import org.eclipse.jdt.internal.compiler.lookup.MethodScope;
import org.eclipse.jdt.internal.compiler.lookup.TypeIds;
import org.mangosdk.spi.ProviderFor;
@ProviderFor(EclipseAnnotationHandler.class)
public class HandleSetter implements EclipseAnnotationHandler<Setter> {
public void generateSetterForField(Node fieldNode, ASTNode pos) {
AccessLevel level = AccessLevel.PUBLIC;
Node errorNode = fieldNode;
boolean whineIfExists = false;
for ( Node child : fieldNode.down() ) {
if ( child.getKind() == Kind.ANNOTATION ) {
if ( Eclipse.annotationTypeMatches(Setter.class, child) ) {
level = Eclipse.createAnnotation(Setter.class, child).getInstance().value();
errorNode = child;
pos = child.get();
whineIfExists = true;
break;
}
}
}
createSetterForField(level, fieldNode, errorNode, pos, whineIfExists);
}
public boolean handle(AnnotationValues<Setter> annotation, Annotation ast, Node annotationNode) {
Node fieldNode = annotationNode.up();
if ( fieldNode.getKind() != Kind.FIELD ) return false;
AccessLevel level = annotation.getInstance().value();
return createSetterForField(level, fieldNode, annotationNode, annotationNode.get(), true);
}
private boolean createSetterForField(AccessLevel level, Node fieldNode, Node errorNode, ASTNode pos, boolean whineIfExists) {
if ( fieldNode.getKind() != Kind.FIELD ) {
errorNode.addError("@Setter is only supported on a field.");
return false;
}
FieldDeclaration field = (FieldDeclaration) fieldNode.get();
String setterName = TransformationsUtil.toSetterName(new String(field.name));
int modifier = toModifier(level) | (field.modifiers & ClassFileConstants.AccStatic);
switch ( methodExists(setterName, fieldNode) ) {
case EXISTS_BY_LOMBOK:
return true;
case EXISTS_BY_USER:
if ( whineIfExists ) errorNode.addWarning(
String.format("Not generating %s(%s %s): A method with that name already exists",
setterName, field.type, new String(field.name)));
return false;
default:
case NOT_EXISTS:
//continue with creating the setter
}
MethodDeclaration method = generateSetter((TypeDeclaration) fieldNode.up().get(), field, setterName, modifier, pos);
injectMethod(fieldNode.up(), method);
return false;
}
private MethodDeclaration generateSetter(TypeDeclaration parent, FieldDeclaration field, String name,
int modifier, ASTNode ast) {
long pos = (((long)ast.sourceStart) << 32) | ast.sourceEnd;
MethodDeclaration method = new MethodDeclaration(parent.compilationResult);
method.modifiers = modifier;
method.returnType = TypeReference.baseTypeReference(TypeIds.T_void, 0);
method.annotations = null;
Argument param = new Argument(field.name, pos, Eclipse.copyType(field.type), 0);
method.arguments = new Argument[] { param };
method.selector = name.toCharArray();
method.binding = null;
method.thrownExceptions = null;
method.typeParameters = null;
method.scope = parent.scope == null ? null : new MethodScope(parent.scope, method, false);
method.bits |= Eclipse.ECLIPSE_DO_NOT_TOUCH_FLAG;
FieldReference thisX = new FieldReference(("this." + new String(field.name)).toCharArray(), pos);
thisX.receiver = new ThisReference(ast.sourceStart, ast.sourceEnd);
thisX.token = field.name;
Assignment assignment = new Assignment(thisX, new SingleNameReference(field.name, pos), (int)pos);
method.bodyStart = method.declarationSourceStart = method.sourceStart = ast.sourceStart;
method.bodyEnd = method.declarationSourceEnd = method.sourceEnd = ast.sourceEnd;
method.statements = new Statement[] { assignment };
return method;
}
}
|
