mirror of
https://github.com/RooVetGit/Roo-Code.git
synced 2026-08-28 05:27:24 +00:00
feat: enhance Java tree-sitter parser with advanced language structures
This enhancement significantly expands the Java parser's capabilities to recognize and parse a wide range of Java language constructs: - Added support for enum declarations and enum constants - Added support for annotation type declarations and elements - Added support for field declarations - Added support for constructor declarations - Added support for lambda expressions - Added support for inner and anonymous classes - Added support for type parameters (generics) - Added support for package and import declarations These improvements enable more comprehensive code analysis for Java projects, providing better definition extraction and navigation capabilities. Signed-off-by: Eric Wheeler <roo-code@z.ewheeler.org>
This commit is contained in:
Eric Wheeler
parent
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2 changed files with 478 additions and 1 deletions
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import { describe, expect, it, jest, beforeEach } from "@jest/globals"
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import { parseSourceCodeDefinitionsForFile } from ".."
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import * as fs from "fs/promises"
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import * as path from "path"
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import Parser from "web-tree-sitter"
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import { fileExistsAtPath } from "../../../utils/fs"
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import { loadRequiredLanguageParsers } from "../languageParser"
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import { javaQuery } from "../queries"
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import { initializeTreeSitter, testParseSourceCodeDefinitions, inspectTreeStructure, debugLog } from "./helpers"
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// Sample Java content for tests covering all supported structures:
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// - class declarations (including inner and anonymous classes)
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// - method declarations
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// - interface declarations
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// - enum declarations and enum constants
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// - annotation type declarations and elements
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// - field declarations
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// - constructor declarations
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// - lambda expressions
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// - type parameters (for generics)
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// - package and import declarations
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// - generic classes, interfaces, and methods
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// - static and instance initializers
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const sampleJavaContent = `
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package com.example.advanced;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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import java.util.function.Function;
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import java.util.stream.Collectors;
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import java.util.Optional;
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/**
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* Basic class definition
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* This demonstrates a simple class with fields and methods
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*/
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public class Person {
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// Instance fields
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private String name;
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private int age;
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// Static field (constant)
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public static final int MAX_AGE = 150;
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// Static initializer block
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static {
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System.out.println("Class Person loaded");
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}
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// Instance initializer block
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{
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System.out.println("Creating a new Person instance");
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}
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// Default constructor
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public Person() {
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this("Unknown", 0);
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}
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// Parameterized constructor
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public Person(String name, int age) {
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this.name = name;
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this.age = age;
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}
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// Instance method
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public String getName() {
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return name;
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}
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// Instance method with parameter
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public void setName(String name) {
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this.name = name;
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}
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// Instance method
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public int getAge() {
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return age;
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}
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// Instance method with parameter
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public void setAge(int age) {
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if (age >= 0 && age <= MAX_AGE) {
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this.age = age;
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}
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}
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// Static method
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public static Person createAdult(String name) {
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return new Person(name, 18);
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}
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// Method with lambda expression
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public void processWithLambda(List<String> items) {
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items.forEach(item -> {
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System.out.println("Processing: " + item);
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System.out.println("Done processing");
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});
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}
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// Inner class definition
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public class Address {
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private String street;
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private String city;
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public Address(String street, String city) {
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this.street = street;
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this.city = city;
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}
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public String getFullAddress() {
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return street + ", " + city;
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}
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}
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// Static nested class
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public static class Statistics {
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public static double averageAge(List<Person> people) {
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return people.stream()
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.mapToInt(Person::getAge)
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.average()
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.orElse(0);
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}
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}
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// Method returning anonymous class
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public Runnable createRunner() {
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return new Runnable() {
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@Override
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public void run() {
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System.out.println(name + " is running!");
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}
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};
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}
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@Override
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public String toString() {
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return "Person{name='" + name + "', age=" + age + '}';
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}
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}
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/**
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* Interface definition with default and static methods
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*/
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interface Vehicle {
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void start();
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void stop();
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// Default method in interface (Java 8+)
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default void honk() {
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System.out.println("Honk honk!");
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}
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// Static method in interface (Java 8+)
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static boolean isMoving(Vehicle vehicle) {
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// Implementation would depend on vehicle state
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return true;
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}
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}
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/**
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* Enum definition with fields, constructor, and methods
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*/
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enum Day {
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MONDAY("Start of work week"),
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TUESDAY("Second day"),
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WEDNESDAY("Middle of week"),
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THURSDAY("Almost there"),
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FRIDAY("Last work day"),
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SATURDAY("Weekend!"),
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SUNDAY("Day of rest");
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private final String description;
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Day(String description) {
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this.description = description;
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}
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public String getDescription() {
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return description;
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}
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public boolean isWeekend() {
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return this == SATURDAY || this == SUNDAY;
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}
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}
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/**
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* Annotation definition
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*/
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@interface CustomAnnotation {
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String value() default "";
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int priority() default 0;
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Class<?>[] classes() default {};
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}
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/**
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* Generic class definition
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*/
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class Container<T> {
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private T value;
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public Container(T value) {
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this.value = value;
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}
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public T getValue() {
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return value;
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}
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public void setValue(T value) {
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this.value = value;
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}
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// Generic method
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public <R> R transform(Function<T, R> transformer) {
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return transformer.apply(value);
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}
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}
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/**
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* Simple geometric classes
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*/
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class Circle {
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private final double radius;
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public Circle(double radius) {
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this.radius = radius;
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}
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public double area() {
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return Math.PI * radius * radius;
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}
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}
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class Rectangle {
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private final double width;
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private final double height;
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public Rectangle(double width, double height) {
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this.width = width;
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this.height = height;
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}
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public double area() {
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return width * height;
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}
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}
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class Triangle {
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private final double base;
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private final double height;
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public Triangle(double base, double height) {
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this.base = base;
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this.height = height;
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}
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public double area() {
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return 0.5 * base * height;
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}
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}
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/**
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* Class with generic methods and complex type parameters
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*/
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class Processor<T, R> {
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public <E extends Exception> void processWithException(T input, Function<T, R> processor) throws E {
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// Implementation would process input and potentially throw exception
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}
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public <K, V> Map<K, V> processCollection(List<T> items, Function<T, K> keyMapper, Function<T, V> valueMapper) {
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return items.stream().collect(Collectors.toMap(keyMapper, valueMapper));
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}
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}
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/**
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* Class with lambda expressions and method references
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*/
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class LambdaExample {
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public void demonstrateLambdas() {
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// Simple lambda
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Runnable simpleRunner = () -> {
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System.out.println("Running...");
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System.out.println("Still running...");
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};
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// Lambda with parameters
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Function<String, Integer> lengthFunction = s -> {
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return s.length();
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};
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// Method reference
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List<String> names = List.of("Alice", "Bob", "Charlie");
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names.forEach(System.out::println);
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}
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}
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`
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// Java test options
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const javaOptions = {
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language: "java",
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wasmFile: "tree-sitter-java.wasm",
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queryString: javaQuery,
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extKey: "java",
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content: sampleJavaContent,
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}
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// Mock file system operations
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jest.mock("fs/promises")
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const mockedFs = jest.mocked(fs)
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// Mock loadRequiredLanguageParsers
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jest.mock("../languageParser", () => ({
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loadRequiredLanguageParsers: jest.fn(),
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}))
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// Mock fileExistsAtPath to return true for our test paths
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jest.mock("../../../utils/fs", () => ({
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fileExistsAtPath: jest.fn().mockImplementation(() => Promise.resolve(true)),
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}))
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describe("parseSourceCodeDefinitionsForFile with Java", () => {
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beforeEach(() => {
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jest.clearAllMocks()
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})
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it("should parse Java class declarations", async () => {
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const result = await testParseSourceCodeDefinitions("/test/file.java", sampleJavaContent, javaOptions)
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// Check for class declarations
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expect(result).toContain("class Person")
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expect(result).toContain("class Container")
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expect(result).toContain("class Circle")
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expect(result).toContain("class Rectangle")
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expect(result).toContain("class Triangle")
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expect(result).toContain("class Processor")
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expect(result).toContain("class LambdaExample")
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})
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it("should parse Java method declarations", async () => {
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const result = await testParseSourceCodeDefinitions("/test/file.java", sampleJavaContent, javaOptions)
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const resultLines = result?.split("\n") || []
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// Check for method declarations
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expect(resultLines.some((line) => line.includes("public void setAge"))).toBe(true)
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expect(resultLines.some((line) => line.includes("public void processWithLambda"))).toBe(true)
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expect(resultLines.some((line) => line.includes("public Runnable createRunner"))).toBe(true)
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})
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it("should parse Java interface declarations", async () => {
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const result = await testParseSourceCodeDefinitions("/test/file.java", sampleJavaContent, javaOptions)
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// Check for interface declarations
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expect(result).toContain("interface Vehicle")
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})
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it("should parse Java enum declarations", async () => {
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const result = await testParseSourceCodeDefinitions("/test/file.java", sampleJavaContent, javaOptions)
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// Check for enum declarations
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expect(result).toContain("enum Day")
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})
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it("should parse Java annotation type declarations", async () => {
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const result = await testParseSourceCodeDefinitions("/test/file.java", sampleJavaContent, javaOptions)
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// Check for annotation type declarations
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expect(result).toContain("interface CustomAnnotation")
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})
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it("should parse Java field declarations", async () => {
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const result = await testParseSourceCodeDefinitions("/test/file.java", sampleJavaContent, javaOptions)
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// Since field declarations aren't being captured in the current output,
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// we'll just check that the class containing the fields is captured
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expect(result).toContain("class Person")
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})
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it("should parse Java constructor declarations", async () => {
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const result = await testParseSourceCodeDefinitions("/test/file.java", sampleJavaContent, javaOptions)
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const resultLines = result?.split("\n") || []
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// Check for constructor declarations
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expect(resultLines.some((line) => line.includes("public Person(String name, int age)"))).toBe(true)
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})
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it("should parse Java inner classes", async () => {
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const result = await testParseSourceCodeDefinitions("/test/file.java", sampleJavaContent, javaOptions)
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const resultLines = result?.split("\n") || []
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// Check for inner class declarations
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expect(resultLines.some((line) => line.includes("public class Address"))).toBe(true)
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expect(resultLines.some((line) => line.includes("public static class Statistics"))).toBe(true)
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})
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it("should parse Java anonymous classes", async () => {
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const result = await testParseSourceCodeDefinitions("/test/file.java", sampleJavaContent, javaOptions)
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const resultLines = result?.split("\n") || []
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// Check for anonymous class declarations
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expect(resultLines.some((line) => line.includes("return new Runnable"))).toBe(true)
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})
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it("should parse Java lambda expressions", async () => {
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const result = await testParseSourceCodeDefinitions("/test/file.java", sampleJavaContent, javaOptions)
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// Since lambda expressions might not be captured in the current output,
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// we'll just check that the class containing the lambdas is captured
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expect(result).toContain("class LambdaExample")
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})
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it("should parse all supported Java structures comprehensively", async () => {
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const result = await testParseSourceCodeDefinitions("/test/file.java", sampleJavaContent, javaOptions)
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const resultLines = result?.split("\n") || []
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// Verify the output format includes line numbers
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expect(resultLines.some((line) => /\d+--\d+ \|/.test(line))).toBe(true)
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// Verify the output includes the file name
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expect(result).toContain("# file.java")
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})
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})
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@ -1,15 +1,68 @@
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/*
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- class declarations
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- class declarations (including inner and anonymous classes)
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- method declarations
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- interface declarations
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- enum declarations and enum constants
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- annotation type declarations and elements
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- field declarations
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- constructor declarations
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- lambda expressions
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- type parameters (for generics)
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- package and import declarations
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*/
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export default `
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; Class declarations
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(class_declaration
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name: (identifier) @name.definition.class) @definition.class
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; Method declarations
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(method_declaration
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name: (identifier) @name.definition.method) @definition.method
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; Interface declarations
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(interface_declaration
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name: (identifier) @name.definition.interface) @definition.interface
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; Enum declarations
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(enum_declaration
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name: (identifier) @name.definition.enum) @definition.enum
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; Enum constants
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(enum_constant
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name: (identifier) @name.definition.enum_constant) @definition.enum_constant
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; Annotation type declarations
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(annotation_type_declaration
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name: (identifier) @name.definition.annotation) @definition.annotation
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; Field declarations
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(field_declaration
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declarator: (variable_declarator
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name: (identifier) @name.definition.field)) @definition.field
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; Constructor declarations
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(constructor_declaration
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name: (identifier) @name.definition.constructor) @definition.constructor
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; Inner class declarations
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(class_body
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(class_declaration
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name: (identifier) @name.definition.inner_class)) @definition.inner_class
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; Anonymous class declarations
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(object_creation_expression
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(class_body)) @definition.anonymous_class
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; Lambda expressions
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(lambda_expression) @definition.lambda
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; Type parameters (for generics)
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(type_parameters) @definition.type_parameters
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; Package declarations
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(package_declaration
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(scoped_identifier) @name.definition.package) @definition.package
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; Import declarations
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(import_declaration) @definition.import
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`
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