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package com.github.javaparser.generator.metamodel;
import com.github.javaparser.JavaParser;
import com.github.javaparser.ast.*;
import com.github.javaparser.ast.body.*;
import com.github.javaparser.ast.comments.BlockComment;
import com.github.javaparser.ast.comments.Comment;
import com.github.javaparser.ast.comments.JavadocComment;
import com.github.javaparser.ast.comments.LineComment;
import com.github.javaparser.ast.expr.*;
import com.github.javaparser.ast.stmt.*;
import com.github.javaparser.ast.type.*;
import com.github.javaparser.generator.utils.SourceRoot;
import java.io.IOException;
import java.lang.reflect.Field;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;
import static com.github.javaparser.generator.utils.GeneratorUtils.decapitalize;
import static com.github.javaparser.generator.utils.GeneratorUtils.getJavaParserBasePath;
public class MetaModelGenerator {
static final String NODE_META_MODEL = "BaseNodeMetaModel";
private static List<Class<? extends Node>> ALL_NODE_CLASSES = new ArrayList<Class<? extends Node>>() {{
/* Base classes go first, so we don't have to do any sorting to make sure
generated classes can refer to their base generated classes without
being afraid those are not initialized yet. */
add(Node.class);
add(BodyDeclaration.class);
add(CallableDeclaration.class);
add(Statement.class);
add(Expression.class);
add(Type.class);
add(AnnotationExpr.class);
add(TypeDeclaration.class);
add(LiteralExpr.class);
add(ReferenceType.class);
add(StringLiteralExpr.class);
//
add(ArrayCreationLevel.class);
add(CompilationUnit.class);
add(PackageDeclaration.class);
add(AnnotationDeclaration.class);
add(AnnotationMemberDeclaration.class);
add(ClassOrInterfaceDeclaration.class);
add(ConstructorDeclaration.class);
add(EmptyMemberDeclaration.class);
add(EnumConstantDeclaration.class);
add(EnumDeclaration.class);
add(FieldDeclaration.class);
add(InitializerDeclaration.class);
add(MethodDeclaration.class);
add(Parameter.class);
add(VariableDeclarator.class);
add(Comment.class);
add(BlockComment.class);
add(JavadocComment.class);
add(LineComment.class);
add(ArrayAccessExpr.class);
add(ArrayCreationExpr.class);
add(ArrayInitializerExpr.class);
add(AssignExpr.class);
add(BinaryExpr.class);
add(BooleanLiteralExpr.class);
add(CastExpr.class);
add(CharLiteralExpr.class);
add(ClassExpr.class);
add(ConditionalExpr.class);
add(DoubleLiteralExpr.class);
add(EnclosedExpr.class);
add(FieldAccessExpr.class);
add(InstanceOfExpr.class);
add(IntegerLiteralExpr.class);
add(LambdaExpr.class);
add(LongLiteralExpr.class);
add(MarkerAnnotationExpr.class);
add(MemberValuePair.class);
add(MethodCallExpr.class);
add(MethodReferenceExpr.class);
add(NameExpr.class);
add(Name.class);
add(NormalAnnotationExpr.class);
add(NullLiteralExpr.class);
add(ObjectCreationExpr.class);
add(SimpleName.class);
add(SingleMemberAnnotationExpr.class);
add(SuperExpr.class);
add(ThisExpr.class);
add(TypeExpr.class);
add(UnaryExpr.class);
add(VariableDeclarationExpr.class);
add(ImportDeclaration.class);
add(AssertStmt.class);
add(BlockStmt.class);
add(BreakStmt.class);
add(CatchClause.class);
add(ContinueStmt.class);
add(DoStmt.class);
add(EmptyStmt.class);
add(ExplicitConstructorInvocationStmt.class);
add(ExpressionStmt.class);
add(ForeachStmt.class);
add(ForStmt.class);
add(IfStmt.class);
add(LabeledStmt.class);
add(ReturnStmt.class);
add(SwitchEntryStmt.class);
add(SwitchStmt.class);
add(SynchronizedStmt.class);
add(ThrowStmt.class);
add(TryStmt.class);
add(LocalClassDeclarationStmt.class);
add(WhileStmt.class);
add(ArrayType.class);
add(ClassOrInterfaceType.class);
add(IntersectionType.class);
add(PrimitiveType.class);
add(TypeParameter.class);
add(UnionType.class);
add(UnknownType.class);
add(VoidType.class);
add(WildcardType.class);
}};
static String METAMODEL_PACKAGE = "com.github.javaparser.metamodel";
public static void main(String[] args) throws IOException, NoSuchMethodException {
new MetaModelGenerator().run();
}
private void run() throws IOException, NoSuchMethodException {
final Path root = getJavaParserBasePath().resolve(Paths.get("javaparser-metamodel", "src", "main", "java"));
JavaParser javaParser = new JavaParser();
SourceRoot sourceRoot = new SourceRoot(root);
CompilationUnit javaParserMetaModel = sourceRoot.parse(METAMODEL_PACKAGE, "JavaParserMetaModel.java", javaParser).get();
generateNodeMetaModels(javaParserMetaModel, sourceRoot);
sourceRoot.saveAll();
}
private void generateNodeMetaModels(CompilationUnit javaParserMetaModelCu, SourceRoot sourceRoot) throws NoSuchMethodException {
ClassOrInterfaceDeclaration metaModelCoid = javaParserMetaModelCu.getClassByName("JavaParserMetaModel").get();
NodeList<Statement> initializeNodeMetaModelsStatements = metaModelCoid.getMethodsByName("initializeNodeMetaModels").get(0).getBody().get().getStatements();
NodeList<Statement> initializePropertyMetaModelsStatements = metaModelCoid.getMethodsByName("initializePropertyMetaModels").get(0).getBody().get().getStatements();
NodeList<Statement> initializeConstructorParametersStatements = metaModelCoid.getMethodsByName("initializeConstructorParameters").get(0).getBody().get().getStatements();
initializeNodeMetaModelsStatements.clear();
initializePropertyMetaModelsStatements.clear();
initializeConstructorParametersStatements.clear();
final NodeMetaModelGenerator nodeMetaModelGenerator = new NodeMetaModelGenerator();
for (Class<? extends Node> nodeClass : ALL_NODE_CLASSES) {
nodeMetaModelGenerator.generate(nodeClass, metaModelCoid, initializeNodeMetaModelsStatements, initializePropertyMetaModelsStatements, initializeConstructorParametersStatements, sourceRoot);
}
initializeNodeMetaModelsStatements.sort(Comparator.comparing(Node::toString));
}
static boolean isNode(Class<?> c) {
return Node.class.isAssignableFrom(c);
}
static String nodeMetaModelName(Class<?> c) {
return c.getSimpleName() + "MetaModel";
}
static String propertyMetaModelFieldName(Field field) {
return field.getName() + "PropertyMetaModel";
}
static String nodeMetaModelFieldName(Class<?> nodeClass) {
return decapitalize(nodeMetaModelName(nodeClass));
}
}
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