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
|
package com.github.javaparser.generator.core.visitor;
import com.github.javaparser.ast.CompilationUnit;
import com.github.javaparser.ast.body.MethodDeclaration;
import com.github.javaparser.ast.stmt.BlockStmt;
import com.github.javaparser.generator.VisitorGenerator;
import com.github.javaparser.utils.SourceRoot;
import com.github.javaparser.metamodel.BaseNodeMetaModel;
import com.github.javaparser.metamodel.PropertyMetaModel;
import static com.github.javaparser.utils.CodeGenerationUtils.f;
/**
* Generates JavaParser's VoidVisitorAdapter.
*/
public class GenericVisitorAdapterGenerator extends VisitorGenerator {
public GenericVisitorAdapterGenerator(SourceRoot sourceRoot) {
super(sourceRoot, "com.github.javaparser.ast.visitor", "GenericVisitorAdapter", "R", "A", true);
}
@Override
protected void generateVisitMethodBody(BaseNodeMetaModel node, MethodDeclaration visitMethod, CompilationUnit compilationUnit) {
visitMethod.getParameters().forEach(p -> p.setFinal(true));
BlockStmt body = visitMethod.getBody().get();
body.getStatements().clear();
body.addStatement("R result;");
final String resultCheck = "if (result != null) return result;";
for (PropertyMetaModel field : node.getAllPropertyMetaModels()) {
final String getter = field.getGetterMethodName() + "()";
if (field.getNodeReference().isPresent()) {
if (field.isOptional()) {
body.addStatement(f("if (n.%s.isPresent()) {" +
" result = n.%s.get().accept(this, arg);" +
" %s" +
"}", getter, getter, resultCheck));
} else {
body.addStatement(f("{ result = n.%s.accept(this, arg); %s }", getter, resultCheck));
}
}
}
body.addStatement("return null;");
}
}
|
