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Merge branch 'targetBytecode' of ssh://gitea.hb.dhbw-stuttgart.de:2222/JavaTX/JavaCompilerCore into targetBytecode

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pl@gohorb.ba-horb.de 2024-06-14 11:28:05 +02:00
commit 4dba867f9e
30 changed files with 443 additions and 190 deletions
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16
pom.xml
View File

@ -29,14 +29,14 @@ http://maven.apache.org/maven-v4_0_0.xsd">
<version>2.6</version>
</dependency>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>22.0</version>
<groupId>io.github.classgraph</groupId>
<artifactId>classgraph</artifactId>
<version>4.8.172</version>
</dependency>
<dependency>
<groupId>org.reflections</groupId>
<artifactId>reflections</artifactId>
<version>0.9.11</version>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>33.2.0-jre</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.ow2.asm/asm -->
<dependency>
@ -54,8 +54,8 @@ http://maven.apache.org/maven-v4_0_0.xsd">
<version>3.11.0</version>
<configuration>
<compilerArgs>--enable-preview</compilerArgs>
<source>21</source>
<target>21</target>
<source>22</source>
<target>22</target>
</configuration>
</plugin>
<plugin>

15
resources/bytecode/javFiles/Bug332.jav Normal file
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@ -0,0 +1,15 @@
import java.lang.Object;
interface Visitor {
public void visit(Object obj);
public void visit(ClassA a);
}
class ClassA {
void accept(Visitor v) {
v.visit(this);
}
}
public class Bug332 {
}

10
resources/bytecode/javFiles/Bug337.jav Normal file
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@ -0,0 +1,10 @@
import java.lang.Integer;
import java.lang.Number;
import java.lang.Object;
public class Bug337 {
public void main() {
Fun1$$<Object, Integer> fun1 = x -> x.hashCode() + 1;
Fun1$$<Number, Number> fun2 = fun1;
}
}

11
resources/bytecode/javFiles/Bug338.jav Normal file
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@ -0,0 +1,11 @@
import java.util.List;
import java.lang.Integer;
import java.lang.String;
import java.lang.Object;
import java.util.List;
public class Bug338 {
public hashCode() {
return List.of(42);
}
}

5
resources/bytecode/javFiles/ImportWildcard.jav Normal file
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@ -0,0 +1,5 @@
import java.lang.*;
public class ImportWildcard {
m(a, b) { return a * b; }
}

9
resources/bytecode/javFiles/While.jav
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@ -9,4 +9,13 @@ public class While {
}
return x;
}
public m2() {
int i = 0;
do {
++i;
} while(i < 10);
return i;
}
}

21
src/main/java/de/dhbwstuttgart/bytecode/Codegen.java
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@ -978,6 +978,27 @@ public class Codegen {
mv.visitLabel(end);
break;
}
case TargetDo _do: {
Label start = new Label();
Label end = new Label();
Label check = new Label();
var env = new BreakEnv();
env.startLabel = check;
env.endLabel = end;
mv.visitLabel(start);
state.breakStack.push(env);
generate(state, _do.body());
state.breakStack.pop();
mv.visitLabel(check);
generate(state, _do.cond());
mv.visitJumpInsn(IFEQ, end);
mv.visitJumpInsn(GOTO, start);
mv.visitLabel(end);
break;
}
case TargetIf _if: {
generate(state, _if.cond());
Label _else = new Label();

42
src/main/java/de/dhbwstuttgart/bytecode/FunNGenerator.java
View File

@ -33,6 +33,23 @@ public class FunNGenerator {
public static class GenericParameters {
int start;
public List<TargetType> parameters = new ArrayList<>();
final String descriptor;
final List<TargetType> inParams;
public GenericParameters(List<TargetType> params) {
this.inParams = params;
var type = new TargetRefType(FunNGenerator.getSuperClassName(params.size() - 1), params);
descriptor = applyDescriptor(type, this);
System.out.println(this.parameters);
}
public TargetType getReturnType() {
return FunNGenerator.getReturnType(inParams);
}
public List<TargetType> getArguments() {
return FunNGenerator.getArguments(inParams);
}
}
private static String applyDescriptor(TargetType type, GenericParameters gep) {
@ -98,12 +115,11 @@ public class FunNGenerator {
return String.format("Fun%d$$", numberArguments);
}
public static byte[] generateSpecializedBytecode(List<TargetType> argumentTypes, TargetType returnType, GenericParameters gep) {
List<TargetType> parameters = Stream
.concat(argumentTypes.stream(), Stream.of(returnType))
.toList();
public static byte[] generateSpecializedBytecode(GenericParameters gep, List<String> superInterfaces) {
var argumentTypes = gep.getArguments();
var returnType = gep.getReturnType();
StringBuilder funNClassSignature = new StringBuilder(objectSignature + applyDescriptor(new TargetRefType(getSuperClassName(argumentTypes.size()), parameters), gep));
StringBuilder funNClassSignature = new StringBuilder(objectSignature + gep.descriptor);
boolean containsGeneric = false;
String genericSignature = "<";
@ -114,10 +130,18 @@ public class FunNGenerator {
genericSignature += ">";
if (containsGeneric) funNClassSignature.insert(0, genericSignature);
System.out.println(funNClassSignature.toString());
for (var superInterface : superInterfaces) {
funNClassSignature.append('L');
funNClassSignature.append(superInterface);
funNClassSignature.append(';');
}
var interfaces = new ArrayList<>(superInterfaces);
interfaces.add(getSuperClassName(argumentTypes.size()));
ClassWriter classWriter = new ClassWriter(0);
classWriter.visit(bytecodeVersion, ACC_PUBLIC | ACC_ABSTRACT | ACC_INTERFACE, getSpecializedClassName(argumentTypes, returnType), funNClassSignature.toString(), objectSuperType, new String[]{getSuperClassName(argumentTypes.size())});
classWriter.visit(bytecodeVersion, ACC_PUBLIC | ACC_ABSTRACT | ACC_INTERFACE, getSpecializedClassName(argumentTypes, returnType), funNClassSignature.toString(), objectSuperType, interfaces.toArray(String[]::new));
classWriter.visitEnd();
return classWriter.toByteArray();
}
@ -133,6 +157,10 @@ public class FunNGenerator {
}
}
public static String getSpecializedClassName(GenericParameters gep) {
return getSpecializedClassName(getArguments(gep.inParams), getReturnType(gep.inParams));
}
public static String getSpecializedClassName(List<TargetType> argumentTypes, TargetType returnType) {
return String.format("Fun%d$$%s%s",
argumentTypes.size(),

3
src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java
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@ -98,7 +98,7 @@ public class JavaTXCompiler {
}
if (outputPath != null) path.add(outputPath);
classLoader = new DirectoryClassLoader(path, ClassLoader.getSystemClassLoader());
environment = new CompilationEnvironment(sources);
environment = new CompilationEnvironment(sources, classLoader);
classPath = path;
this.outputPath = outputPath;
@ -783,6 +783,7 @@ public class JavaTXCompiler {
});
}
generatedGenerics.put(sf, converter.javaGenerics());
converter.generateFunNTypes();
return generatedClasses;
}

12
src/main/java/de/dhbwstuttgart/environment/CompilationEnvironment.java
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@ -34,7 +34,7 @@ public class CompilationEnvironment {
*
* @param sourceFiles die zu kompilierenden Dateien
*/
public CompilationEnvironment(List<File> sourceFiles) {
public CompilationEnvironment(List<File> sourceFiles, DirectoryClassLoader classLoader) {
/**
* Java 9 bringt einige Änderungen am Classloader So funktioniert der BootClassLoader nicht mehr. hier gibts ein paar Quellen zum nachlesen: http://java9.wtf/class-loading/ https://stackoverflow.com/questions/46494112/classloaders-hierarchy-in-java-9
*
@ -54,7 +54,7 @@ public class CompilationEnvironment {
// librarys = Arrays.asList(loader.getURLs());
this.sourceFiles = sourceFiles;
this.packageCrawler = new PackageCrawler(librarys);
this.packageCrawler = new PackageCrawler(classLoader);
}
public void addClassesToRegistry(JavaClassRegistry registry, SourceFileContext tree, File sourceFile, JavaTXCompiler compiler) throws ClassNotFoundException, IOException {
@ -104,12 +104,4 @@ public class CompilationEnvironment {
return packageName;
}
public List<ClassOrInterface> getAllAvailableClasses() {
List<ClassOrInterface> ret = new ArrayList<>();
for (Class c : new PackageCrawler(librarys).getAllAvailableClasses()) {
ret.add(ASTFactory.createClass(c));
}
return ret;
}
}

54
src/main/java/de/dhbwstuttgart/environment/DirectoryClassLoader.java
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@ -5,31 +5,61 @@ import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.*;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
public class DirectoryClassLoader extends URLClassLoader implements IByteArrayClassLoader {
public DirectoryClassLoader(File directory, java.lang.ClassLoader parent) {
super(generateURLArray(dirToURL(directory)), parent);
}
// public DirectoryClassLoader(File directory, java.lang.ClassLoader parent) {
// super(generateURLArray(dirToURL(directory)), parent);
// }
public DirectoryClassLoader(List<File> directory, java.lang.ClassLoader parent) {
super(directory.stream().map(DirectoryClassLoader::dirToURL).collect(Collectors.toList()).toArray(new URL[0]), parent);
super(directory.stream().map(DirectoryClassLoader::dirToURL).flatMap(List::stream).collect(Collectors.toList()).toArray(new URL[0]), parent.getParent());
}
private static URL[] generateURLArray(URL url) {
return new URL[]{url};
}
private static URL dirToURL(File url){
if(!url.isDirectory())throw new RuntimeException(url.toString() + " is not a directory");
try {
return url.toURI().toURL();
} catch (MalformedURLException e) {
throw new RuntimeException(e);
private static List<URL> dirToURL(File file) {
//if(!url.isDirectory())throw new RuntimeException(url.toString() + " is not a directory");
Path dir;
if (file.isDirectory()) {
try {
return List.of(file.toURI().toURL()); // if file is a directory, use it as is
} catch (MalformedURLException e) {
e.printStackTrace();
return List.of();
}
}
dir = file.toPath().getParent(); // if file is not a directory, get its parent directory
String pattern = file.toPath().getFileName().toString(); // use the file name as a glob pattern
List<URL> urls = new ArrayList<>();
try {
urls = Files.walk(dir)
.filter(Files::isRegularFile) // only consider files (not directories)
.filter(path -> {
PathMatcher matcher = FileSystems.getDefault().getPathMatcher("glob:" + pattern);
return matcher.matches(path.getFileName()); // match the file name against the pattern
})
.map(path -> {
try {
return path.toUri().toURL();
} catch (MalformedURLException e) {
throw new RuntimeException(e);
}
}) // convert the path to a URL
.toList(); // print the path of each matching file
} catch (IOException | RuntimeException e) {
e.printStackTrace();
}
return urls;
}
@Override

69
src/main/java/de/dhbwstuttgart/environment/PackageCrawler.java
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@ -1,17 +1,10 @@
package de.dhbwstuttgart.environment;
import java.net.URL;
import io.github.classgraph.ClassGraph;
import io.github.classgraph.ScanResult;
import java.util.*;
import org.reflections.Reflections;
import org.reflections.scanners.ResourcesScanner;
import org.reflections.scanners.SubTypesScanner;
import org.reflections.util.ConfigurationBuilder;
import org.reflections.util.FilterBuilder;
import de.dhbwstuttgart.parser.scope.JavaClassName;
import org.reflections.vfs.SystemDir;
/**
* Hilft beim Durchsuchen von Packages
* Benutzt die Reflections-Library (https://github.com/ronmamo/reflections)
@ -19,48 +12,30 @@ import org.reflections.vfs.SystemDir;
*/
public class PackageCrawler {
final URL[] urls;
public PackageCrawler(List<URL> urlList) {
urls = urlList.toArray(new URL[0]);
final DirectoryClassLoader classLoader;
public PackageCrawler(DirectoryClassLoader classLoader) {
this.classLoader = classLoader;
}
public Set<Class<?>> getClassesInPackage(String packageName){
/*
List<DirectoryClassLoader> classLoadersList = new LinkedList<DirectoryClassLoader>();
classLoadersList.add(Thread.currentThread().getContextClassLoader());
classLoadersList.add(ClasspathHelper.staticClassLoader());
classLoadersList.add(Thread.currentThread().getContextClassLoader().getParent());
classLoadersList.add(DirectoryClassLoader.getSystemClassLoader());
String bootClassPath = System.getProperty("sun.boot.class.path");
ArrayList<URL> urlList = new ArrayList<>();
for(String path : bootClassPath.split(";")) {
try {
urlList.add(new URL("file:"+path));
} catch (MalformedURLException e) {
new DebugException("Fehler im Classpath auf diesem System");
}
}
URL[] urls = urlList.toArray(new URL[0]);
classLoadersList.add(new URLClassLoader(urls, DirectoryClassLoader.getSystemClassLoader()));
*/
Reflections reflections = new Reflections(new ConfigurationBuilder()
.setScanners(new SubTypesScanner(false /* don't exclude Object.class */), new ResourcesScanner())
.setUrls(urls)
.filterInputsBy(new FilterBuilder().include(FilterBuilder.prefix(packageName))));
public Set<Class<?>> getClassesInPackage(String packageName) {
var res = new HashSet<Class<?>>();
Set<Class<?>> classes = reflections.getSubTypesOf(Object.class);
try (ScanResult result = new ClassGraph()
.enableClassInfo()
.enableSystemJarsAndModules()
.addClassLoader(classLoader)
.acceptPackages(packageName)
.scan()) {
return classes;
}
for (var info : result.getAllClasses()) {
try {
var clazz = Class.forName(info.getName());
res.add(clazz);
} catch (ClassNotFoundException ignored) {}
}
};
public Set<Class<?>> getAllAvailableClasses(){
Reflections reflections = new Reflections(new ConfigurationBuilder()
.setScanners(new SubTypesScanner(false /* don't exclude Object.class */), new ResourcesScanner())
.setUrls(urls));
Set<Class<?>> classes = reflections.getSubTypesOf(Object.class);
return classes;
return res;
}
public Map<String, Integer> getClassNames(String packageName){

8
src/main/java/de/dhbwstuttgart/parser/SyntaxTreeGenerator/StatementGenerator.java
View File

@ -597,8 +597,12 @@ public class StatementGenerator {
}
private Statement convert(Java17Parser.ContinuestmtContext stmt) {
// TODO
throw new NotImplementedException();
Token offset = stmt.getStart();
if (!Objects.isNull(stmt.identifier())) {
return new Continue(localVars.get(stmt.identifier().getText()), offset);
} else {
return new Continue(TypePlaceholder.fresh(offset), offset);
}
}
private Statement convert(Java17Parser.SemistmtContext stmt) {

4
src/main/java/de/dhbwstuttgart/parser/SyntaxTreeGenerator/SyntaxTreeGenerator.java
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@ -71,10 +71,6 @@ import de.dhbwstuttgart.syntaxtree.type.RefType;
import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
import de.dhbwstuttgart.syntaxtree.type.Void;
import de.dhbwstuttgart.typeinference.constraints.GenericsResolver;
import javassist.compiler.SyntaxError;
import javax.swing.text.html.Option;
public class SyntaxTreeGenerator {
private JavaClassRegistry reg;

5
src/main/java/de/dhbwstuttgart/syntaxtree/AbstractASTWalker.java
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@ -236,6 +236,11 @@ public abstract class AbstractASTWalker implements ASTVisitor {
aBreak.accept(this);
}
@Override
public void visit(Continue aContinue) {
aContinue.accept(this);
}
@Override
public void visit(StaticClassName staticClassName) {

2
src/main/java/de/dhbwstuttgart/syntaxtree/StatementVisitor.java
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@ -53,6 +53,8 @@ public interface StatementVisitor {
void visit(Break aBreak);
void visit(Continue aContinue);
void visit(Yield aYield);
void visit(StaticClassName staticClassName);

18
src/main/java/de/dhbwstuttgart/syntaxtree/statement/Continue.java Normal file
View File

@ -0,0 +1,18 @@
package de.dhbwstuttgart.syntaxtree.statement;
import de.dhbwstuttgart.syntaxtree.StatementVisitor;
import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
import org.antlr.v4.runtime.Token;
public class Continue extends Statement {
public Continue(RefTypeOrTPHOrWildcardOrGeneric type, Token offset) {
super(type, offset);
}
@Override
public void accept(StatementVisitor visitor) {
visitor.visit(this);
}
}

5
src/main/java/de/dhbwstuttgart/syntaxtree/visual/OutputGenerator.java
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@ -333,6 +333,11 @@ public class OutputGenerator implements ASTVisitor {
out.append("break");
}
@Override
public void visit(Continue aContinue) {
out.append("continue");
}
@Override
public void visit(StaticClassName staticClassName) {

221
src/main/java/de/dhbwstuttgart/target/generate/ASTToTargetAST.java
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@ -1,10 +1,10 @@
package de.dhbwstuttgart.target.generate;
import de.dhbwstuttgart.bytecode.CodeGenException;
import de.dhbwstuttgart.bytecode.FunNGenerator;
import de.dhbwstuttgart.core.JavaTXCompiler;
import de.dhbwstuttgart.environment.ByteArrayClassLoader;
import de.dhbwstuttgart.environment.IByteArrayClassLoader;
import de.dhbwstuttgart.exceptions.NotImplementedException;
import de.dhbwstuttgart.parser.NullToken;
import de.dhbwstuttgart.parser.scope.JavaClassName;
import de.dhbwstuttgart.syntaxtree.*;
@ -17,23 +17,25 @@ import de.dhbwstuttgart.target.tree.expression.*;
import de.dhbwstuttgart.target.tree.type.*;
import de.dhbwstuttgart.typeinference.result.*;
import javax.sql.rowset.RowSetWarning;
import java.lang.annotation.Target;
import java.util.*;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import java.util.stream.StreamSupport;
/**
* @author dholle
*/
public class ASTToTargetAST {
record SignaturePair(TypePlaceholder signature, RefTypeOrTPHOrWildcardOrGeneric parameter) {};
record SignaturePairTarget(TargetType signature, TargetType parameter) {}
public static RefType OBJECT = ASTFactory.createObjectType(); // TODO It would be better if I could call this directly but the hashcode seems to change
protected List<Generics> all;
public Generics generics;
final Map<ClassOrInterface, Set<GenericTypeVar>> userDefinedGenerics = new HashMap<>();
final Map<Method, Set<SignaturePair>> tphsInMethods = new HashMap<>();
private Method currentMethod;
public final JavaTXCompiler compiler;
@ -77,6 +79,12 @@ public class ASTToTargetAST {
this.generics = all.get(0);
}
public void addSignaturePair(TypePlaceholder signature, RefTypeOrTPHOrWildcardOrGeneric parameter) {
var set = tphsInMethods.getOrDefault(currentMethod, new HashSet<>());
set.add(new SignaturePair(signature, parameter));
tphsInMethods.put(currentMethod, set);
}
Optional<Method> findMethod(ClassOrInterface owner, String name, List<TargetType> argumentList) {
Optional<Method> method = Optional.empty();
while (method.isEmpty()) {
@ -130,6 +138,40 @@ public class ASTToTargetAST {
return ret;
}
public List<List<TargetMethod>> groupOverloads(ClassOrInterface input, List<Method> methods) {
var res = new ArrayList<List<TargetMethod>>();
for (var method : methods) {
// Convert all methods
var methodsWithTphs = convert(input, method);
// Then check for methods with the same signature
var mapOfSignatures = new HashMap<TargetMethod.Signature, List<MethodWithTphs>>();
for (var m : methodsWithTphs) {
var methodsWithSameSignature = mapOfSignatures.getOrDefault(m.method.signature(), new ArrayList<>());
methodsWithSameSignature.add(m);
mapOfSignatures.put(m.method.signature(), methodsWithSameSignature);
}
var resMethods = new HashSet<TargetMethod>();
for (var methodsWithSignature : mapOfSignatures.values()) {
outer: for (var m1 : methodsWithSignature) {
for (var m2 : methodsWithSignature) {
for (var i = 0; i < m1.args.size(); i++) {
var arg1 = m1.args.get(i);
var arg2 = m2.args.get(i);
if (arg1.parameter.equals(arg2.parameter)) {
if (isSupertype(arg1.signature, arg2.signature) &&
!arg1.signature.equals(arg2.signature)) continue outer;
}
}
}
resMethods.add(m1.method);
}
}
res.add(resMethods.stream().toList());
}
return res;
}
public TargetStructure convert(ClassOrInterface input) {
Set<TargetGeneric> javaGenerics = new HashSet<>();
Set<TargetGeneric> txGenerics = new HashSet<>();
@ -160,11 +202,11 @@ public class ASTToTargetAST {
var superInterfaces = input.getSuperInterfaces().stream().map(clazz -> convert(clazz, generics.javaGenerics)).toList();
var constructors = input.getConstructors().stream().map(constructor -> this.convert(input, constructor, finalFieldInitializer)).flatMap(List::stream).toList();
var fields = input.getFieldDecl().stream().map(this::convert).toList();
var methods = groupOverloads(input.getMethods()).stream().map(m -> convert(input, m)).flatMap(List::stream).toList();
var methods = groupOverloads(input, input.getMethods()).stream().flatMap(List::stream).toList();
TargetMethod staticConstructor = null;
if (input.getStaticInitializer().isPresent())
staticConstructor = this.convert(input, input.getStaticInitializer().get()).get(0);
staticConstructor = this.convert(input, input.getStaticInitializer().get()).stream().findFirst().orElseThrow().method;
if (input instanceof Record)
return new TargetRecord(input.getModifiers(), input.getClassName(), javaGenerics, txGenerics, superInterfaces, constructors, staticConstructor, fields, methods);
@ -205,6 +247,7 @@ public class ASTToTargetAST {
generics = all.get(0);
List<TargetConstructor> result = new ArrayList<>();
Set<List<MethodParameter>> parameterSet = new HashSet<>();
this.currentMethod = input;
for (var s : all) {
generics = s;
@ -224,56 +267,6 @@ public class ASTToTargetAST {
return result;
}
/**
* This only considers type patterns, all other methods aren't grouped together
* @param a
* @param b
* @return
*/
private boolean signatureEquals(Method a, Method b) {
if (!a.name.equals(b.name)) return false;
var para = a.getParameterList().getFormalparalist();
var parb = b.getParameterList().getFormalparalist();
if (para.size() != parb.size()) return false;
for (var i = 0; i < para.size(); i++) {
var pa = para.get(i);
var pb = parb.get(i);
if (pa instanceof RecordPattern rpa) {
if (pb instanceof RecordPattern rpb) {
if (rpa.getType().equals(rpb.getType())) continue;
}
return false;
} else if (pa.getType().equals(pb.getType())) {
continue;
}
return false;
}
return true;
}
// TODO Nested patterns
private List<List<Method>> groupOverloads(List<Method> input) {
var done = new HashSet<Method>();
var res = new ArrayList<List<Method>>();
for (var method : input) {
if (done.contains(method)) continue;
var overloads = new ArrayList<Method>();
overloads.add(method);
done.add(method);
for (var method2 : input) {
if (!done.contains(method2) && signatureEquals(method, method2)) {
done.add(method2);
overloads.add(method2);
}
}
res.add(overloads);
}
return res;
}
private String encodeName(String name, ParameterList params) {
var res = new StringBuilder();
res.append(name);
@ -291,9 +284,9 @@ public class ASTToTargetAST {
private List<TargetMethod> convert(ClassOrInterface clazz, List<Method> overloadedMethods) {
if (overloadedMethods.size() == 1) {
return convert(clazz, overloadedMethods.get(0));
return convert(clazz, overloadedMethods.getFirst()).stream().map(m -> m.method()).toList();
}
var res = new ArrayList<Method>();
var methods = new ArrayList<Method>();
for (var method : overloadedMethods) {
var newMethod = new Method(
method.modifier,
@ -305,7 +298,7 @@ public class ASTToTargetAST {
method.getGenerics(),
method.getOffset()
);
res.add(newMethod);
methods.add(newMethod);
}
// TODO Record overloading
@ -328,7 +321,16 @@ public class ASTToTargetAST {
var entryPoint = new Method(template.modifier, template.name, template.getReturnType(), params, block, template.getGenerics(), new NullToken());
res.add(entryPoint); // TODO*/
return res.stream().map(m -> convert(clazz, m)).flatMap(List::stream).toList();
var res = new ArrayList<TargetMethod>();
for (var method : methods) {
var overloads = convert(clazz, method);
for (var m : overloads) {
var overload = m.method;
if (res.contains(overload)) throw new CodeGenException("Duplicate method found: " + overload.name() + " with signature " + overload.signature().getSignature());
res.add(overload);
}
}
return res;
}
private Expression makeRecordSwitch(RefTypeOrTPHOrWildcardOrGeneric returnType, ParameterList params, List<Method> overloadedMethods) {
@ -366,17 +368,18 @@ public class ASTToTargetAST {
for (var i = 0; i < params.size(); i++) {
var a = TargetType.toPrimitive(params.get(i).pattern().type());
var b = convert(sParams.getFormalparalist().get(i).getType());
System.out.println(a + " " + b);
if (!Objects.equals(a, b)) return false;
}
return true;
}).findFirst();
}
private List<TargetMethod> convert(ClassOrInterface currentClass, Method method) {
generics = all.get(0);
List<TargetMethod> result = new ArrayList<>();
Set<List<MethodParameter>> parameterSet = new HashSet<>();
record MethodWithTphs(TargetMethod method, List<SignaturePairTarget> args) {}
private List<MethodWithTphs> convert(ClassOrInterface currentClass, Method method) {
generics = all.getFirst();
List<MethodWithTphs> result = new ArrayList<>();
this.currentMethod = method;
for (var s : all) {
generics = s;
@ -387,23 +390,27 @@ public class ASTToTargetAST {
var superMethod = findSuperMethodToOverride(currentClass, method.getName(), params);
if (superMethod.isPresent()) {
// If we find a super method to override, use its parameters and return types
returnType = convert(superMethod.get().getReturnType(), this.generics.javaGenerics);
params = convert(superMethod.get().getParameterList(), method.getParameterList(), this.generics.javaGenerics);
var newReturnType = convert(superMethod.get().getReturnType(), this.generics.javaGenerics);
if (newReturnType instanceof TargetPrimitiveType && TargetType.toPrimitive(returnType).equals(newReturnType)) {
returnType = newReturnType;
params = convert(superMethod.get().getParameterList(), method.getParameterList(), this.generics.javaGenerics);
}
}
List<MethodParameter> finalParams = params;
if (parameterSet.stream().noneMatch(p -> p.equals(finalParams))) {
List<MethodParameter> txParams = convert(method.getParameterList(), this.generics.txGenerics);
List<MethodParameter> txParams = convert(method.getParameterList(), this.generics.txGenerics);
var javaMethodGenerics = collectMethodGenerics(currentClass, generics.javaGenerics(), javaGenerics, method);
var txMethodGenerics = collectMethodGenerics(currentClass, generics.txGenerics(), txGenerics, method);
var javaMethodGenerics = collectMethodGenerics(currentClass, generics.javaGenerics(), javaGenerics, method);
var txMethodGenerics = collectMethodGenerics(currentClass, generics.txGenerics(), txGenerics, method);
var javaSignature = new TargetMethod.Signature(javaMethodGenerics, params, returnType);
var txSignature = new TargetMethod.Signature(txMethodGenerics, txParams, convert(method.getReturnType(), this.generics.txGenerics));
result.add(new TargetMethod(method.modifier, method.name, convert(method.block), javaSignature, txSignature));
parameterSet.add(params);
}
var javaSignature = new TargetMethod.Signature(javaMethodGenerics, params, returnType);
var txSignature = new TargetMethod.Signature(txMethodGenerics, txParams, convert(method.getReturnType(), this.generics.txGenerics));
var newMethod = new TargetMethod(method.modifier, method.name, convert(method.block), javaSignature, txSignature);
var concreteParams = tphsInMethods.getOrDefault(method, new HashSet<>()).stream().map(sig -> new SignaturePairTarget(convert(sig.signature), convert(sig.parameter))).toList();
result.add(new MethodWithTphs(newMethod, concreteParams));
}
return result;
}
@ -479,6 +486,55 @@ public class ASTToTargetAST {
return TargetFunNType.fromParams(params, filteredParams);
}
private boolean isSubtype(TargetType test, TargetType other) {
var testClass = compiler.getClass(new JavaClassName(test.name()));
var otherClass = compiler.getClass(new JavaClassName(other.name()));
if (testClass == null) return false;
while (testClass != null) {
if (testClass.equals(otherClass)) return true;
if (testClass.getClassName().equals(new JavaClassName("java.lang.Object"))) break;
testClass = compiler.getClass(testClass.getSuperClass().getName());
}
return false;
}
private boolean isSupertype(TargetType test, TargetType other) {
return isSubtype(other, test);
}
private boolean isSubtype(FunNGenerator.GenericParameters test, FunNGenerator.GenericParameters other) {
if (test.getArguments().size() != other.getArguments().size()) return false;
if (!isSubtype(test.getReturnType(), other.getReturnType())) return false;
for (int i = 0; i < test.getArguments().size(); i++) {
var arg1 = test.getArguments().get(i);
var arg2 = other.getArguments().get(i);
if (!isSupertype(arg1, arg2)) return false;
}
return true;
}
public void generateFunNTypes() {
for (var entry : usedFunN.entrySet()) {
var gep = entry.getValue();
var superInterfaces = usedFunN.values().stream()
.filter(g -> !g.equals(gep))
.filter(genericParameters -> isSubtype(gep, genericParameters))
.map(FunNGenerator::getSpecializedClassName)
.toList();
var code = FunNGenerator.generateSpecializedBytecode(gep, superInterfaces);
try {
classLoader.findClass(entry.getKey());
} catch (ClassNotFoundException e) {
try {
classLoader.loadClass(code);
} catch (LinkageError ignored) {}
}
auxiliaries.put(entry.getKey(), code);
}
}
protected TargetType convert(RefTypeOrTPHOrWildcardOrGeneric input, GenerateGenerics generics) {
return input.acceptTV(new TypeVisitor<>() {
@Override
@ -513,17 +569,8 @@ public class ASTToTargetAST {
}
FunNGenerator.GenericParameters gep = null;
if (!usedFunN.containsKey(className)) {
gep = new FunNGenerator.GenericParameters();
var code = FunNGenerator.generateSpecializedBytecode(FunNGenerator.getArguments(params), FunNGenerator.getReturnType(params), gep);
try {
classLoader.findClass(className);
} catch (ClassNotFoundException e) {
try {
classLoader.loadClass(code);
} catch (LinkageError ignored) {}
}
gep = new FunNGenerator.GenericParameters(params);
usedFunN.put(className, gep);
auxiliaries.put(className, code);
} else {
gep = usedFunN.get(className);
}

12
src/main/java/de/dhbwstuttgart/target/generate/StatementToTargetExpression.java
View File

@ -208,6 +208,11 @@ public class StatementToTargetExpression implements ASTVisitor {
var isPrivate = false;
var signature = methodCall.signatureArguments().stream().map(converter::convert).toList();
// Add used TPHs to containing method
for (var i = 0; i < methodCall.signatureArguments().size(); i++) {
converter.addSignaturePair(methodCall.signatureArguments().get(i), methodCall.arglist.getArguments().get(i).getType());
}
var receiverClass = converter.compiler.getClass(receiverName);
if (methodCall.receiver instanceof ExpressionReceiver expressionReceiver && expressionReceiver.expr instanceof This) {
if (receiverClass == null) throw new DebugException("Class " + receiverName + " does not exist!");
@ -261,6 +266,11 @@ public class StatementToTargetExpression implements ASTVisitor {
result = new TargetBreak();
}
@Override
public void visit(Continue aContinue) {
result = new TargetContinue();
}
@Override
public void visit(StaticClassName staticClassName) {
result = new TargetClassName(converter.convert(staticClassName.getType()));
@ -283,7 +293,7 @@ public class StatementToTargetExpression implements ASTVisitor {
@Override
public void visit(DoStmt whileStmt) {
throw new NotImplementedException();
result = new TargetDo(converter.convert(whileStmt.expr), converter.convert(whileStmt.loopBlock));
}
// TODO These two might not be necessary

5
src/main/java/de/dhbwstuttgart/target/generate/TracingStatementVisitor.java
View File

@ -124,6 +124,11 @@ public abstract class TracingStatementVisitor implements StatementVisitor {
}
@Override
public void visit(Continue aContinue) {
}
@Override
public void visit(StaticClassName staticClassName) {

12
src/main/java/de/dhbwstuttgart/target/tree/TargetMethod.java
View File

@ -6,6 +6,7 @@ import de.dhbwstuttgart.target.tree.type.TargetType;
import org.objectweb.asm.Opcodes;
import java.util.List;
import java.util.Objects;
import java.util.Set;
public record TargetMethod(int access, String name, TargetBlock block, Signature signature, Signature txSignature) {
@ -64,5 +65,16 @@ public record TargetMethod(int access, String name, TargetBlock block, Signature
public boolean isStatic() {
return (access & Opcodes.ACC_STATIC) != 0;
}
@Override
public boolean equals(Object other) {
if (!(other instanceof TargetMethod otherMethod)) return false;
return otherMethod.signature.equals(this.signature) && otherMethod.name.equals(this.name);
}
@Override
public int hashCode() {
return Objects.hash(name, signature);
}
}

4
src/main/java/de/dhbwstuttgart/target/tree/expression/TargetDo.java Normal file
View File

@ -0,0 +1,4 @@
package de.dhbwstuttgart.target.tree.expression;
public record TargetDo(TargetExpression cond, TargetExpression body) implements TargetExpression {
}

2
src/main/java/de/dhbwstuttgart/target/tree/expression/TargetExpression.java
View File

@ -3,7 +3,7 @@ package de.dhbwstuttgart.target.tree.expression;
import de.dhbwstuttgart.target.tree.type.*;
public sealed interface TargetExpression
permits TargetBinaryOp, TargetBlock, TargetBreak, TargetCast, TargetClassName, TargetContinue, TargetFieldVar, TargetFor, TargetForEach, TargetIf, TargetInstanceOf, TargetLambdaExpression, TargetLiteral, TargetLocalVar, TargetPattern, TargetReturn, TargetStatementExpression, TargetSuper, TargetSwitch, TargetTernary, TargetThis, TargetThrow, TargetUnaryOp, TargetVarDecl, TargetWhile, TargetYield {
permits TargetBinaryOp, TargetBlock, TargetBreak, TargetCast, TargetClassName, TargetContinue, TargetDo, TargetFieldVar, TargetFor, TargetForEach, TargetIf, TargetInstanceOf, TargetLambdaExpression, TargetLiteral, TargetLocalVar, TargetPattern, TargetReturn, TargetStatementExpression, TargetSuper, TargetSwitch, TargetTernary, TargetThis, TargetThrow, TargetUnaryOp, TargetVarDecl, TargetWhile, TargetYield {
default TargetType type() {
return null;

2
src/main/java/de/dhbwstuttgart/target/tree/expression/TargetWhile.java
View File

@ -1,6 +1,4 @@
package de.dhbwstuttgart.target.tree.expression;
import de.dhbwstuttgart.target.tree.type.TargetType;
public record TargetWhile(TargetExpression cond, TargetExpression body) implements TargetExpression {
}

1
src/main/java/de/dhbwstuttgart/typeinference/assumptions/TypeInferenceBlockInformation.java
View File

@ -35,7 +35,6 @@ public class TypeInferenceBlockInformation extends TypeInferenceInformation {
public ClassOrInterface getSuperClass() {
for (var clazz : getAvailableClasses()) {
System.out.println(currentClass.getSuperClass().getName());
if (clazz.getClassName().equals(currentClass.getSuperClass().getName()))
return clazz;
}

10
src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java
View File

@ -514,6 +514,11 @@ public class TYPEStmt implements StatementVisitor {
}
@Override
public void visit(Continue aContinue) {
}
@Override
public void visit(StaticClassName staticClassName) {
// Hier entstehen keine Constraints
@ -569,7 +574,10 @@ public class TYPEStmt implements StatementVisitor {
@Override
public void visit(DoStmt whileStmt) {
throw new NotImplementedException();
RefType booleanType = new RefType(ASTFactory.createClass(java.lang.Boolean.class).getClassName(), new NullToken());
whileStmt.expr.accept(this);
constraintsSet.addUndConstraint(new Pair(whileStmt.expr.getType(), booleanType, PairOperator.EQUALSDOT, loc(whileStmt.expr.getOffset())));
whileStmt.loopBlock.accept(this);
}
@Override

39
src/test/java/TestComplete.java
View File

@ -925,6 +925,22 @@ public class TestComplete {
assertEquals(clazz.getDeclaredMethod("main", Integer.class).invoke(instance, 5), "small");
}
@Test
public void testWhile() throws Exception {
var classFiles = generateClassFiles(new ByteArrayClassLoader(), "While.jav");
var clazz = classFiles.get("While");
var instance = clazz.getDeclaredConstructor().newInstance();
assertEquals(clazz.getDeclaredMethod("m", Integer.class).invoke(instance, 5), 5);
assertEquals(clazz.getDeclaredMethod("m2").invoke(instance), 10);
}
@Test
public void testImportWildcard() throws Exception {
var classFiles = generateClassFiles(new ByteArrayClassLoader(), "ImportWildcard.jav");
var clazz = classFiles.get("ImportWildcard");
var instance = clazz.getDeclaredConstructor().newInstance();
}
@Test
public void testBug122() throws Exception {
var classFiles = generateClassFiles(new ByteArrayClassLoader(), "Bug122.jav");
@ -1085,6 +1101,7 @@ public class TestComplete {
var res = clazz.getDeclaredMethod("convert", List.class).invoke(instance, list);
assertEquals(res, List.of(6, 7, 8));
}
@Test
public void testBug325() throws Exception {
var classFiles = generateClassFiles(new ByteArrayClassLoader(), "Bug325.jav");
@ -1109,10 +1126,32 @@ public class TestComplete {
var instance = clazz.getDeclaredConstructor().newInstance();
}
@Test
public void testBug332() throws Exception {
var classFiles = generateClassFiles(new ByteArrayClassLoader(), "Bug332.jav");
var clazz = classFiles.get("Bug332");
var instance = clazz.getDeclaredConstructor().newInstance();
}
@Test
public void testBug333() throws Exception {
var classFiles = generateClassFiles(new ByteArrayClassLoader(), "Bug333.jav");
var clazz = classFiles.get("Bug333");
var instance = clazz.getDeclaredConstructor().newInstance();
}
@Test
public void testBug337() throws Exception {
var classFiles = generateClassFiles(new ByteArrayClassLoader(), "Bug337.jav");
var clazz = classFiles.get("Bug337");
var instance = clazz.getDeclaredConstructor().newInstance();
clazz.getDeclaredMethod("main").invoke(instance);
}
@Test
public void testBug338() throws Exception {
var classFiles = generateClassFiles(new ByteArrayClassLoader(), "Bug338.jav");
var clazz = classFiles.get("Bug338");
var instance = clazz.getDeclaredConstructor().newInstance();
}
}

12
src/test/java/targetast/ASTToTypedTargetAST.java
View File

@ -57,7 +57,7 @@ public class ASTToTypedTargetAST {
var file = Path.of(System.getProperty("user.dir"), "/resources/bytecode/javFiles/Tph2.jav").toFile();
var compiler = new JavaTXCompiler(file);
var resultSet = compiler.typeInference(file);
var converter = new ASTToTargetAST(resultSet);
var converter = new ASTToTargetAST(compiler, resultSet);
var classes = compiler.sourceFiles.get(file).getClasses();
var tphAndGenerics = TestCodegen.generateClass(converter.convert(classes.get(0)), new ByteArrayClassLoader());
@ -68,7 +68,7 @@ public class ASTToTypedTargetAST {
var file = Path.of(System.getProperty("user.dir"), "/resources/bytecode/javFiles/Cycle.jav").toFile();
var compiler = new JavaTXCompiler(file);
var resultSet = compiler.typeInference(file);
var converter = new ASTToTargetAST(resultSet);
var converter = new ASTToTargetAST(compiler, resultSet);
var classes = compiler.sourceFiles.get(file).getClasses();
var cycle = TestCodegen.generateClass(converter.convert(classes.get(0)), new ByteArrayClassLoader());
@ -79,7 +79,7 @@ public class ASTToTypedTargetAST {
var file = Path.of(System.getProperty("user.dir"), "/resources/bytecode/javFiles/Infimum.jav").toFile();
var compiler = new JavaTXCompiler(file);
var resultSet = compiler.typeInference(file);
var converter = new ASTToTargetAST(resultSet);
var converter = new ASTToTargetAST(compiler, resultSet);
var classes = compiler.sourceFiles.get(file).getClasses();
var infimum = TestCodegen.generateClass(converter.convert(classes.get(0)), new ByteArrayClassLoader());
@ -90,7 +90,7 @@ public class ASTToTypedTargetAST {
var file = Path.of(System.getProperty("user.dir"), "/resources/bytecode/javFiles/Gen.jav").toFile();
var compiler = new JavaTXCompiler(file);
var resultSet = compiler.typeInference(file);
var converter = new ASTToTargetAST(resultSet);
var converter = new ASTToTargetAST(compiler, resultSet);
var classes = compiler.sourceFiles.get(file).getClasses();
var generics = TestCodegen.generateClass(converter.convert(classes.get(0)), new ByteArrayClassLoader());
@ -124,7 +124,7 @@ public class ASTToTypedTargetAST {
var file = Path.of(System.getProperty("user.dir"), "/resources/bytecode/javFiles/Generics2.jav").toFile();
var compiler = new JavaTXCompiler(file);
var resultSet = compiler.typeInference(file);
var converter = new ASTToTargetAST(resultSet);
var converter = new ASTToTargetAST(compiler, resultSet);
var classes = compiler.sourceFiles.get(file).getClasses();
var generics2 = TestCodegen.generateClass(converter.convert(classes.get(0)), new ByteArrayClassLoader());
@ -140,7 +140,7 @@ public class ASTToTypedTargetAST {
var file = Path.of(System.getProperty("user.dir"), "/resources/bytecode/javFiles/Generics3.jav").toFile();
var compiler = new JavaTXCompiler(file);
var resultSet = compiler.typeInference(file);
var converter = new ASTToTargetAST(resultSet);
var converter = new ASTToTargetAST(compiler, resultSet);
var classes = compiler.sourceFiles.get(file).getClasses();
var generics3 = TestCodegen.generateClass(converter.convert(classes.get(0)), new ByteArrayClassLoader());

4
src/test/java/targetast/TestCodegen.java
View File

@ -60,6 +60,8 @@ public class TestCodegen {
}
}).collect(Collectors.toMap(Class::getName, Function.identity())));
converter.generateFunNTypes();
for (var entry : converter.auxiliaries.entrySet()) {
writeClassFile(entry.getKey(), entry.getValue());
}
@ -104,6 +106,8 @@ public class TestCodegen {
}
}).collect(Collectors.toMap(Class::getName, Function.identity()));
converter.generateFunNTypes();
for (var entry : converter.auxiliaries.entrySet()) {
writeClassFile(entry.getKey(), entry.getValue());
}