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Merge branch 'targetBytecode' of ssh://gitea.hb.dhbw-stuttgart.de:2222/JavaTX/JavaCompilerCore into targetBytecode
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src/test/java/AllgemeinTest.java
This commit is contained in:
pl@gohorb.ba-horb.de 2024-07-24 23:25:07 +02:00
commit d9860497df
14 changed files with 303 additions and 146 deletions
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4
pom.xml
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@ -54,8 +54,8 @@ http://maven.apache.org/maven-v4_0_0.xsd">
<version>3.11.0</version> <version>3.11.0</version>
<configuration> <configuration>
<compilerArgs>--enable-preview</compilerArgs> <compilerArgs>--enable-preview</compilerArgs>
<source>22</source> <source>21</source>
<target>22</target> <target>21</target>
</configuration> </configuration>
</plugin> </plugin>
<plugin> <plugin>

10
resources/AllgemeinTest/Bar.java Normal file
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@ -0,0 +1,10 @@
public class Bar{
void visit(Object o){
System.out.println("Object");
}
void visit(Bla f){
System.out.println("Foo");
}
}

6
resources/AllgemeinTest/Foo.jav Normal file
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@ -0,0 +1,6 @@
public class Foo{
public accept(Bar b){
b.visit(this);
}
}

16
resources/bytecode/javFiles/LamRunnable.jav
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@ -1,16 +0,0 @@
import java.lang.Runnable;
import java.lang.System;
import java.lang.String;
import java.io.PrintStream;
public class LamRunnable {
public LamRunnable() {
Runnable lam = () -> {
System.out.println("lambda");
};
lam.run();
}
}

233
src/main/java/de/dhbwstuttgart/bytecode/Codegen.java
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@ -5,6 +5,8 @@ import de.dhbwstuttgart.exceptions.NotImplementedException;
import de.dhbwstuttgart.parser.NullToken; import de.dhbwstuttgart.parser.NullToken;
import de.dhbwstuttgart.parser.scope.JavaClassName; import de.dhbwstuttgart.parser.scope.JavaClassName;
import de.dhbwstuttgart.syntaxtree.ClassOrInterface; import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
import de.dhbwstuttgart.syntaxtree.Method;
import de.dhbwstuttgart.syntaxtree.Pattern;
import de.dhbwstuttgart.syntaxtree.type.RefType; import de.dhbwstuttgart.syntaxtree.type.RefType;
import de.dhbwstuttgart.target.generate.ASTToTargetAST; import de.dhbwstuttgart.target.generate.ASTToTargetAST;
import de.dhbwstuttgart.target.generate.StatementToTargetExpression; import de.dhbwstuttgart.target.generate.StatementToTargetExpression;
@ -31,15 +33,21 @@ public class Codegen {
private final JavaTXCompiler compiler; private final JavaTXCompiler compiler;
private final ASTToTargetAST converter; private final ASTToTargetAST converter;
private class CustomClassWriter extends ClassWriter {
public CustomClassWriter() {
super(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);
}
@Override
protected ClassLoader getClassLoader() {
return compiler.getClassLoader();
}
}
public Codegen(TargetStructure clazz, JavaTXCompiler compiler, ASTToTargetAST converter) { public Codegen(TargetStructure clazz, JavaTXCompiler compiler, ASTToTargetAST converter) {
this.clazz = clazz; this.clazz = clazz;
this.className = clazz.qualifiedName().getClassName(); this.className = clazz.qualifiedName().getClassName();
this.cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS) { this.cw = new CustomClassWriter();
@Override
protected ClassLoader getClassLoader() {
return compiler.getClassLoader();
}
};
this.compiler = compiler; this.compiler = compiler;
this.converter = converter; this.converter = converter;
} }
@ -82,8 +90,6 @@ public class Codegen {
int localCounter; int localCounter;
MethodVisitor mv; MethodVisitor mv;
TargetType returnType; TargetType returnType;
// This is used to remember the type from lambda expressions
TargetType contextType;
Stack<BreakEnv> breakStack = new Stack<>(); Stack<BreakEnv> breakStack = new Stack<>();
Stack<Integer> switchResultValue = new Stack<>(); Stack<Integer> switchResultValue = new Stack<>();
@ -270,13 +276,43 @@ public class Codegen {
mv.visitInsn(I2F); mv.visitInsn(I2F);
else if (dest.equals(TargetType.Double)) else if (dest.equals(TargetType.Double))
mv.visitInsn(I2D); mv.visitInsn(I2D);
} else if (isFunctionalInterface(source) && isFunctionalInterface(dest) &&
!(source instanceof TargetFunNType && dest instanceof TargetFunNType)) {
boxFunctionalInterface(state, source, dest);
} else if (!(dest instanceof TargetGenericType)) { } else if (!(dest instanceof TargetGenericType)) {
boxPrimitive(state, source); //boxPrimitive(state, source);
mv.visitTypeInsn(CHECKCAST, dest.getInternalName()); mv.visitTypeInsn(CHECKCAST, dest.getInternalName());
unboxPrimitive(state, dest); unboxPrimitive(state, dest);
} }
} }
record TypePair(TargetType from, TargetType to) {}
private Map<TypePair, String> funWrapperClasses = new HashMap<>();
private void boxFunctionalInterface(State state, TargetType source, TargetType dest) {
var mv = state.mv;
var className = "FunWrapper$$" +
source.name().replaceAll("\\.", "\\$") +
"$_$" +
dest.name().replaceAll("\\.", "\\$");
funWrapperClasses.put(new TypePair(source, dest), className);
mv.visitTypeInsn(NEW, className);
mv.visitInsn(DUP_X1);
mv.visitInsn(SWAP);
mv.visitMethodInsn(INVOKESPECIAL, className, "<init>", "(" + source.toDescriptor() + ")V", false);
}
private boolean isFunctionalInterface(TargetType type) {
if (type instanceof TargetFunNType) return true;
if (type instanceof TargetRefType) {
var clazz = compiler.getClass(new JavaClassName(type.name()));
return (clazz.getModifiers() & Modifier.INTERFACE) != 0 && clazz.isFunctionalInterface();
}
return false;
}
private TargetType largerType(TargetType left, TargetType right) { private TargetType largerType(TargetType left, TargetType right) {
if (left.equals(TargetType.String) || right.equals(TargetType.String)) { if (left.equals(TargetType.String) || right.equals(TargetType.String)) {
return TargetType.String; return TargetType.String;
@ -727,41 +763,15 @@ public class Codegen {
var mv = state.mv; var mv = state.mv;
String methodName = "apply"; String methodName = "apply";
TargetMethod.Signature signature = null; TargetMethod.Signature signature = new TargetMethod.Signature(Set.of(),
lambda.signature().parameters().stream().map(
if (!(state.contextType instanceof TargetFunNType ctx)) { par -> par.withType(TargetType.Object)).toList(),
var intf = compiler.getClass(new JavaClassName(state.contextType.name())); lambda.signature().returnType() != null ? TargetType.Object : null);
if (intf != null) {
var method = intf.getMethods().stream().filter(m -> Modifier.isAbstract(m.modifier)).findFirst().orElseThrow();
methodName = method.getName();
var methodParams = new ArrayList<MethodParameter>();
for (var i = 0; i < lambda.signature().parameters().size(); i++) {
var param = lambda.signature().parameters().get(i);
var tpe = converter.convert(method.getParameterList().getParameterAt(i).getType());
methodParams.add(param.withType(tpe));
}
var retType = converter.convert(method.getReturnType());
signature = new TargetMethod.Signature(Set.of(), methodParams, retType);
}
}
if (signature == null) {
signature = new TargetMethod.Signature(Set.of(), lambda.signature().parameters().stream().map(par -> par.withType(TargetType.Object)).toList(), TargetType.Object);
}
signature = new TargetMethod.Signature(
signature.generics(),
signature.parameters().stream().map(par ->
par.withType(par.pattern().type() instanceof TargetGenericType ? TargetType.Object : par.pattern().type())
).toList(),
signature.returnType() instanceof TargetGenericType ? TargetType.Object : signature.returnType()
);
var parameters = new ArrayList<>(lambda.captures()); var parameters = new ArrayList<>(lambda.captures());
parameters.addAll(signature.parameters()); parameters.addAll(signature.parameters());
var implSignature = new TargetMethod.Signature(Set.of(), parameters, lambda.signature().returnType()); var implSignature = new TargetMethod.Signature(Set.of(), parameters, lambda.signature().returnType());
// Normalize
TargetMethod impl; TargetMethod impl;
if (lambdas.containsKey(lambda)) { if (lambdas.containsKey(lambda)) {
impl = lambdas.get(lambda); impl = lambdas.get(lambda);
@ -782,7 +792,6 @@ public class Codegen {
params.add(new TargetRefType(clazz.qualifiedName().getClassName())); params.add(new TargetRefType(clazz.qualifiedName().getClassName()));
params.addAll(lambda.captures().stream().map(mp -> mp.pattern().type()).toList()); params.addAll(lambda.captures().stream().map(mp -> mp.pattern().type()).toList());
var descriptor = TargetMethod.getDescriptor(state.contextType, params.toArray(TargetType[]::new));
mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(ALOAD, 0);
for (var index = 0; index < lambda.captures().size(); index++) { for (var index = 0; index < lambda.captures().size(); index++) {
var capture = lambda.captures().get(index); var capture = lambda.captures().get(index);
@ -792,9 +801,42 @@ public class Codegen {
mv.visitTypeInsn(CHECKCAST, capture.pattern().type().getInternalName()); mv.visitTypeInsn(CHECKCAST, capture.pattern().type().getInternalName());
} }
var descriptor = TargetMethod.getDescriptor(lambda.type(), params.toArray(TargetType[]::new));
mv.visitInvokeDynamicInsn(methodName, descriptor, bootstrap, Type.getType(signature.getSignature()), handle, Type.getType(signature.getDescriptor())); mv.visitInvokeDynamicInsn(methodName, descriptor, bootstrap, Type.getType(signature.getSignature()), handle, Type.getType(signature.getDescriptor()));
} }
private int findReturnCode(TargetType returnType) {
if (returnType.equals(TargetType.boolean_)
|| returnType.equals(TargetType.char_)
|| returnType.equals(TargetType.int_)
|| returnType.equals(TargetType.short_)
|| returnType.equals(TargetType.byte_))
return IRETURN;
else if (returnType.equals(TargetType.long_))
return LRETURN;
else if (returnType.equals(TargetType.float_))
return FRETURN;
else if (returnType.equals(TargetType.double_))
return DRETURN;
return ARETURN;
}
private int findLoadCode(TargetType loadType) {
if (loadType.equals(TargetType.boolean_)
|| loadType.equals(TargetType.char_)
|| loadType.equals(TargetType.int_)
|| loadType.equals(TargetType.short_)
|| loadType.equals(TargetType.byte_))
return ILOAD;
else if (loadType.equals(TargetType.long_))
return LLOAD;
else if (loadType.equals(TargetType.float_))
return FLOAD;
else if (loadType.equals(TargetType.double_))
return DLOAD;
return ALOAD;
}
private void generate(State state, TargetExpression expr) { private void generate(State state, TargetExpression expr) {
var mv = state.mv; var mv = state.mv;
switch (expr) { switch (expr) {
@ -819,10 +861,7 @@ public class Codegen {
break; break;
} }
case TargetCast cast: case TargetCast cast:
var ctx = state.contextType;
state.contextType = cast.type();
generate(state, cast.expr()); generate(state, cast.expr());
state.contextType = ctx;
convertTo(state, cast.expr().type(), cast.type()); convertTo(state, cast.expr().type(), cast.type());
break; break;
case TargetInstanceOf instanceOf: case TargetInstanceOf instanceOf:
@ -867,10 +906,7 @@ public class Codegen {
case TargetAssign assign: { case TargetAssign assign: {
switch (assign.left()) { switch (assign.left()) {
case TargetLocalVar localVar -> { case TargetLocalVar localVar -> {
var ctype = state.contextType;
state.contextType = localVar.type();
generate(state, assign.right()); generate(state, assign.right());
state.contextType = ctype;
convertTo(state, assign.right().type(), localVar.type()); convertTo(state, assign.right().type(), localVar.type());
boxPrimitive(state, localVar.type()); boxPrimitive(state, localVar.type());
@ -883,10 +919,7 @@ public class Codegen {
if (!(dot.left() instanceof TargetThis && dot.isStatic())) if (!(dot.left() instanceof TargetThis && dot.isStatic()))
generate(state, dot.left()); generate(state, dot.left());
var ctype = state.contextType;
state.contextType = fieldType;
generate(state, assign.right()); generate(state, assign.right());
state.contextType = ctype;
convertTo(state, assign.right().type(), fieldType); convertTo(state, assign.right().type(), fieldType);
boxPrimitive(state, fieldType); boxPrimitive(state, fieldType);
@ -1016,29 +1049,12 @@ public class Codegen {
case TargetReturn ret: { case TargetReturn ret: {
if (ret.expression() != null && state.returnType != null) { if (ret.expression() != null && state.returnType != null) {
if (state.returnType instanceof TargetPrimitiveType) { if (state.returnType instanceof TargetPrimitiveType) {
var ctype = state.contextType;
state.contextType = state.returnType;
generate(state, ret.expression()); generate(state, ret.expression());
state.contextType = ctype;
unboxPrimitive(state, state.returnType); unboxPrimitive(state, state.returnType);
if (state.returnType.equals(TargetType.boolean_) mv.visitInsn(findReturnCode(state.returnType));
|| state.returnType.equals(TargetType.char_)
|| state.returnType.equals(TargetType.int_)
|| state.returnType.equals(TargetType.short_)
|| state.returnType.equals(TargetType.byte_))
mv.visitInsn(IRETURN);
else if (state.returnType.equals(TargetType.long_))
mv.visitInsn(LRETURN);
else if (state.returnType.equals(TargetType.float_))
mv.visitInsn(FRETURN);
else if (state.returnType.equals(TargetType.double_))
mv.visitInsn(DRETURN);
} else { } else {
var ctype = state.contextType;
state.contextType = state.returnType;
generate(state, ret.expression()); generate(state, ret.expression());
state.contextType = ctype;
boxPrimitive(state, ret.expression().type()); boxPrimitive(state, ret.expression().type());
convertTo(state, ret.expression().type(), state.returnType); convertTo(state, ret.expression().type(), state.returnType);
mv.visitInsn(ARETURN); mv.visitInsn(ARETURN);
@ -1089,12 +1105,10 @@ public class Codegen {
for (var i = 0; i < call.args().size(); i++) { for (var i = 0; i < call.args().size(); i++) {
var e = call.args().get(i); var e = call.args().get(i);
var arg = call.parameterTypes().get(i); var arg = call.parameterTypes().get(i);
var ctype = state.contextType;
state.contextType = arg;
generate(state, e); generate(state, e);
convertTo(state, e.type(), arg);
if (!(arg instanceof TargetPrimitiveType)) if (!(arg instanceof TargetPrimitiveType))
boxPrimitive(state, e.type()); boxPrimitive(state, e.type());
state.contextType = ctype;
} }
var descriptor = call.getDescriptor(); var descriptor = call.getDescriptor();
if (call.owner() instanceof TargetFunNType) // Decay FunN if (call.owner() instanceof TargetFunNType) // Decay FunN
@ -1597,6 +1611,85 @@ public class Codegen {
if (clazz instanceof TargetRecord) if (clazz instanceof TargetRecord)
generateRecordMethods(); generateRecordMethods();
// Generate wrapper classes for function types
for (var pair : funWrapperClasses.keySet()) {
var className = funWrapperClasses.get(pair);
ClassWriter cw2 = new CustomClassWriter();
cw2.visit(V1_8, ACC_PUBLIC, className, null, "java/lang/Object", new String[] { pair.to.getInternalName() });
cw2.visitField(ACC_PRIVATE, "wrapped", pair.from.toDescriptor(), null, null).visitEnd();
// Generate constructor
var ctor = cw2.visitMethod(ACC_PUBLIC, "<init>", "(" + pair.from.toDescriptor() + ")V", null, null);
ctor.visitVarInsn(ALOAD, 0);
ctor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
ctor.visitVarInsn(ALOAD, 0);
ctor.visitVarInsn(ALOAD, 1);
ctor.visitFieldInsn(PUTFIELD, className, "wrapped", pair.from.toDescriptor());
ctor.visitInsn(RETURN);
ctor.visitMaxs(0, 0);
ctor.visitEnd();
String methodName = "apply";
String fromDescriptor = null;
TargetType fromReturn = null;
if (!(pair.from instanceof TargetFunNType funNType)) {
var fromClass = compiler.getClass(new JavaClassName(pair.from.name()));
var fromMethod = fromClass.getMethods().stream().filter(m -> (m.modifier & ACC_ABSTRACT) != 0).findFirst().orElseThrow();
methodName = fromMethod.name;
fromReturn = converter.convert(fromMethod.getReturnType());
var fromParams = converter.convert(fromMethod.getParameterList(), converter.generics.javaGenerics()).stream().map(m -> m.pattern().type()).toArray(TargetType[]::new);
fromDescriptor = TargetMethod.getDescriptor(fromReturn, fromParams);
} else {
fromReturn = funNType.returnArguments() > 0 ? TargetType.Object : null;
fromDescriptor = funNType.toMethodDescriptor();
}
var toClass = compiler.getClass(new JavaClassName(pair.to.name()));
var toMethod = toClass.getMethods().stream().filter(m -> (m.modifier & ACC_ABSTRACT) != 0).findFirst().orElseThrow();
var toReturn = converter.convert(toMethod.getReturnType());
var toParams = converter.convert(toMethod.getParameterList(), converter.generics.javaGenerics()).stream().map(m -> m.pattern().type()).toArray(TargetType[]::new);
var toDescriptor = TargetMethod.getDescriptor(toReturn, toParams);
// Generate wrapper method
var mv = cw2.visitMethod(ACC_PUBLIC, toMethod.name, toDescriptor, null, null);
var state = new State(null, mv, 0);
mv.visitVarInsn(ALOAD, 0);
mv.visitFieldInsn(GETFIELD, className, "wrapped", pair.from.toDescriptor());
for (var i = 0; i < toParams.length; i++) {
var arg = toParams[i];
mv.visitVarInsn(findLoadCode(arg), i + 1);
}
mv.visitMethodInsn(INVOKEINTERFACE, pair.from.getInternalName(), methodName, fromDescriptor, true);
if (fromReturn != null) {
if (toReturn instanceof TargetPrimitiveType) {
convertTo(state, fromReturn, TargetType.toWrapper(toReturn));
} else convertTo(state, fromReturn, toReturn);
}
if (toReturn != null)
mv.visitInsn(findReturnCode(toReturn));
else mv.visitInsn(RETURN);
mv.visitMaxs(0, 0);
mv.visitEnd();
cw2.visitEnd();
var bytes = cw2.toByteArray();
converter.auxiliaries.put(className, bytes);
// TODO These class loading shenanigans happen in a few places, the tests load the classes individually.
// Instead we should just look at the folder.
try {
converter.classLoader.findClass(className);
} catch (ClassNotFoundException e) {
try {
converter.classLoader.loadClass(bytes);
} catch (LinkageError ignored) {}
}
}
cw.visitEnd(); cw.visitEnd();
return cw.toByteArray(); return cw.toByteArray();
} }

48
src/main/java/de/dhbwstuttgart/bytecode/FunNGenerator.java
View File

@ -34,13 +34,12 @@ public class FunNGenerator {
int start; int start;
public List<TargetType> parameters = new ArrayList<>(); public List<TargetType> parameters = new ArrayList<>();
final String descriptor; final String descriptor;
final List<TargetType> inParams; public final List<TargetType> inParams;
public GenericParameters(List<TargetType> params) { public GenericParameters(List<TargetType> params, int numReturns) {
this.inParams = params; this.inParams = params;
var type = new TargetRefType(FunNGenerator.getSuperClassName(params.size() - 1), params); var type = new TargetRefType(FunNGenerator.getSuperClassName(params.size() - 1, numReturns), params);
descriptor = applyDescriptor(type, this); descriptor = applyDescriptor(type, this);
System.out.println(this.parameters);
} }
public TargetType getReturnType() { public TargetType getReturnType() {
@ -86,7 +85,7 @@ public class FunNGenerator {
return applyNameDescriptor(type).replace("/", "$").replace(";", "$_$"); return applyNameDescriptor(type).replace("/", "$").replace(";", "$_$");
} }
public static byte[] generateSuperBytecode(int numberArguments) { public static byte[] generateSuperBytecode(int numberArguments, int numReturnTypes) {
StringBuilder superFunNClassSignature = new StringBuilder("<"); StringBuilder superFunNClassSignature = new StringBuilder("<");
StringBuilder superFunNMethodSignature = new StringBuilder("("); StringBuilder superFunNMethodSignature = new StringBuilder("(");
StringBuilder superFunNMethodDescriptor = new StringBuilder("("); StringBuilder superFunNMethodDescriptor = new StringBuilder("(");
@ -97,22 +96,27 @@ public class FunNGenerator {
superFunNMethodDescriptor.append(objectSignature); superFunNMethodDescriptor.append(objectSignature);
} }
superFunNClassSignature.append(String.format("%s:%s>%s", returnGeneric, objectSignature, objectSignature)); superFunNClassSignature.append(String.format("%s:%s>%s", returnGeneric, objectSignature, objectSignature));
superFunNMethodSignature.append(String.format(")T%s;", returnGeneric)); if (numReturnTypes > 0) {
superFunNMethodDescriptor.append(String.format(")%s", objectSignature)); superFunNMethodSignature.append(String.format(")T%s;", returnGeneric));
superFunNMethodDescriptor.append(String.format(")%s", objectSignature));
} else {
superFunNMethodSignature.append(")V");
superFunNMethodDescriptor.append(")V");
}
System.out.println(superFunNMethodSignature); System.out.println(superFunNMethodSignature);
ClassWriter classWriter = new ClassWriter(0); ClassWriter classWriter = new ClassWriter(0);
MethodVisitor methodVisitor; MethodVisitor methodVisitor;
classWriter.visit(bytecodeVersion, ACC_PUBLIC | ACC_ABSTRACT | ACC_INTERFACE, getSuperClassName(numberArguments), superFunNClassSignature.toString(), objectSuperType, null); classWriter.visit(bytecodeVersion, ACC_PUBLIC | ACC_ABSTRACT | ACC_INTERFACE, getSuperClassName(numberArguments, numReturnTypes), superFunNClassSignature.toString(), objectSuperType, null);
methodVisitor = classWriter.visitMethod(ACC_PUBLIC | ACC_ABSTRACT, methodName, superFunNMethodDescriptor.toString(), superFunNMethodSignature.toString(), null); methodVisitor = classWriter.visitMethod(ACC_PUBLIC | ACC_ABSTRACT, methodName, superFunNMethodDescriptor.toString(), superFunNMethodSignature.toString(), null);
methodVisitor.visitEnd(); methodVisitor.visitEnd();
classWriter.visitEnd(); classWriter.visitEnd();
return classWriter.toByteArray(); return classWriter.toByteArray();
} }
public static String getSuperClassName(int numberArguments) { public static String getSuperClassName(int numberArguments, int returnArguments) {
return String.format("Fun%d$$", numberArguments); return returnArguments > 0 ? String.format("Fun%d$$", numberArguments) : String.format("FunVoid%d$$", numberArguments);
} }
public static byte[] generateSpecializedBytecode(GenericParameters gep, List<String> superInterfaces) { public static byte[] generateSpecializedBytecode(GenericParameters gep, List<String> superInterfaces) {
@ -138,7 +142,7 @@ public class FunNGenerator {
} }
var interfaces = new ArrayList<>(superInterfaces); var interfaces = new ArrayList<>(superInterfaces);
interfaces.add(getSuperClassName(argumentTypes.size())); interfaces.add(getSuperClassName(argumentTypes.size(), returnType != null ? 1 : 0));
ClassWriter classWriter = new ClassWriter(0); ClassWriter classWriter = new ClassWriter(0);
classWriter.visit(bytecodeVersion, ACC_PUBLIC | ACC_ABSTRACT | ACC_INTERFACE, getSpecializedClassName(argumentTypes, returnType), funNClassSignature.toString(), objectSuperType, interfaces.toArray(String[]::new)); classWriter.visit(bytecodeVersion, ACC_PUBLIC | ACC_ABSTRACT | ACC_INTERFACE, getSpecializedClassName(argumentTypes, returnType), funNClassSignature.toString(), objectSuperType, interfaces.toArray(String[]::new));
@ -162,13 +166,19 @@ public class FunNGenerator {
} }
public static String getSpecializedClassName(List<TargetType> argumentTypes, TargetType returnType) { public static String getSpecializedClassName(List<TargetType> argumentTypes, TargetType returnType) {
return String.format("Fun%d$$%s%s", var arguments = argumentTypes
.stream()
.map(FunNGenerator::encodeType)
.collect(Collectors.joining());
if (returnType != null)
return String.format("Fun%d$$%s%s",
argumentTypes.size(),
arguments,
encodeType(returnType));
else return String.format("FunVoidImpl%d$$%s",
argumentTypes.size(), argumentTypes.size(),
argumentTypes arguments);
.stream()
.map(FunNGenerator::encodeType)
.collect(Collectors.joining()),
encodeType(returnType));
} }
public static List<TargetType> getArguments(List<TargetType> list) { public static List<TargetType> getArguments(List<TargetType> list) {
@ -179,8 +189,8 @@ public class FunNGenerator {
} }
public static TargetType getReturnType(List<TargetType> list) { public static TargetType getReturnType(List<TargetType> list) {
if(list.size() == 0) if(list.isEmpty())
throw new IndexOutOfBoundsException(); throw new IndexOutOfBoundsException();
return list.get(list.size() - 1); return list.getLast();
} }
} }

2
src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java
View File

@ -66,7 +66,7 @@ public class JavaTXCompiler {
Boolean resultmodel = true; Boolean resultmodel = true;
public final Map<File, SourceFile> sourceFiles = new HashMap<>(); public final Map<File, SourceFile> sourceFiles = new HashMap<>();
Boolean log = true; //gibt an ob ein Log-File nach System.getProperty("user.dir")+""/logFiles/"" geschrieben werden soll? Boolean log = false; //gibt an ob ein Log-File nach System.getProperty("user.dir")+""/logFiles/"" geschrieben werden soll?
public volatile UnifyTaskModel usedTasks = new UnifyTaskModel(); public volatile UnifyTaskModel usedTasks = new UnifyTaskModel();
public final DirectoryClassLoader classLoader; public final DirectoryClassLoader classLoader;

51
src/main/java/de/dhbwstuttgart/parser/SyntaxTreeGenerator/FCGenerator.java
View File

@ -158,7 +158,8 @@ public class FCGenerator {
} }
/** /**
* Tauscht die GTVs in einem Typ gegen die entsprechenden Typen in der übergebenen Map aus. * Tauscht die GTVs in einem Typ gegen die entsprechenden Typen in der übergebenen Map aus auf der direkten Argumentebene.
* Hier sind keine Wildcards zulässig
*/ */
private static class TypeExchanger implements TypeVisitor<RefTypeOrTPHOrWildcardOrGeneric>{ private static class TypeExchanger implements TypeVisitor<RefTypeOrTPHOrWildcardOrGeneric>{
@ -172,6 +173,7 @@ public class FCGenerator {
public RefTypeOrTPHOrWildcardOrGeneric visit(RefType refType) { public RefTypeOrTPHOrWildcardOrGeneric visit(RefType refType) {
List<RefTypeOrTPHOrWildcardOrGeneric> params = new ArrayList<>(); List<RefTypeOrTPHOrWildcardOrGeneric> params = new ArrayList<>();
for(RefTypeOrTPHOrWildcardOrGeneric param : refType.getParaList()){ for(RefTypeOrTPHOrWildcardOrGeneric param : refType.getParaList()){
//params.add(param.acceptTV(new TypeExchangerInner(gtvs)));
params.add(param.acceptTV(this)); params.add(param.acceptTV(this));
} }
RefTypeOrTPHOrWildcardOrGeneric ret = new RefType(refType.getName(), params, new NullToken()); RefTypeOrTPHOrWildcardOrGeneric ret = new RefType(refType.getName(), params, new NullToken());
@ -201,4 +203,51 @@ public class FCGenerator {
} }
} }
/**
* Tauscht die GTVs in einem Typ gegen die entsprechenden Typen in der übergebenen Map aus auf den Argumenten der Argumente.
* Hier sind Wildcards zulässig
*/
private static class TypeExchangerInner implements TypeVisitor<RefTypeOrTPHOrWildcardOrGeneric>{
private final HashMap<String, RefTypeOrTPHOrWildcardOrGeneric> gtvs;
TypeExchangerInner(HashMap<String, RefTypeOrTPHOrWildcardOrGeneric> gtvs){
this.gtvs = gtvs;
}
@Override
public RefTypeOrTPHOrWildcardOrGeneric visit(RefType refType) {
List<RefTypeOrTPHOrWildcardOrGeneric> params = new ArrayList<>();
for(RefTypeOrTPHOrWildcardOrGeneric param : refType.getParaList()){
params.add(param.acceptTV(this));
}
RefTypeOrTPHOrWildcardOrGeneric ret = new RefType(refType.getName(), params, new NullToken());
return ret;
}
@Override
public RefTypeOrTPHOrWildcardOrGeneric visit(SuperWildcardType superWildcardType) {
return superWildcardType;
}
@Override
public RefTypeOrTPHOrWildcardOrGeneric visit(TypePlaceholder typePlaceholder) {
throw new DebugException("Dieser Fall darf nicht auftreten");
}
@Override
public RefTypeOrTPHOrWildcardOrGeneric visit(ExtendsWildcardType extendsWildcardType) {
return extendsWildcardType;
}
@Override
public RefTypeOrTPHOrWildcardOrGeneric visit(GenericRefType genericRefType) {
if(! gtvs.containsKey(genericRefType.getParsedName()))
throw new DebugException("Dieser Fall darf nicht auftreten");
return gtvs.get(genericRefType.getParsedName());
}
}
} }

19
src/main/java/de/dhbwstuttgart/target/generate/ASTToTargetAST.java
View File

@ -57,7 +57,7 @@ public class ASTToTargetAST {
} }
protected IByteArrayClassLoader classLoader; public IByteArrayClassLoader classLoader;
protected SourceFile sourceFile; protected SourceFile sourceFile;
public ASTToTargetAST(List<ResultSet> resultSets) { public ASTToTargetAST(List<ResultSet> resultSets) {
@ -480,10 +480,10 @@ public class ASTToTargetAST {
} }
var filteredParams = new ArrayList<TargetType>(); var filteredParams = new ArrayList<TargetType>();
for (var i = 0; i < newParams.size(); i++) { for (var i = 0; i < newParams.size(); i++) {
if (gep.parameters.get(i) != null) if (i < gep.inParams.size() && gep.inParams.get(i) != null)
filteredParams.add(newParams.get(i)); filteredParams.add(newParams.get(i));
} }
return TargetFunNType.fromParams(params, filteredParams); return TargetFunNType.fromParams(params, filteredParams, gep.getReturnType() != null ? 1 : 0);
} }
private boolean isSubtype(TargetType test, TargetType other) { private boolean isSubtype(TargetType test, TargetType other) {
@ -547,17 +547,16 @@ public class ASTToTargetAST {
} }
var params = refType.getParaList().stream().map(type -> { var params = refType.getParaList().stream().map(type -> {
var res = convert(type, generics); return convert(type, generics);
if (res == null) res = new TargetRefType("java.lang.Void");
return res;
}).toList(); }).toList();
if (name.matches("Fun\\d+\\$\\$")) { // TODO This seems like a bad idea if (name.matches("Fun\\d+\\$\\$")) { // TODO This seems like a bad idea
var className = FunNGenerator.getSpecializedClassName(FunNGenerator.getArguments(params), FunNGenerator.getReturnType(params)); var returnType = FunNGenerator.getReturnType(params);
var className = FunNGenerator.getSpecializedClassName(FunNGenerator.getArguments(params), returnType);
if (!usedFunNSuperTypes.contains(params.size())) { if (!usedFunNSuperTypes.contains(params.size())) {
usedFunNSuperTypes.add(params.size()); usedFunNSuperTypes.add(params.size());
var code = FunNGenerator.generateSuperBytecode(params.size() - 1); var code = FunNGenerator.generateSuperBytecode(params.size() - 1, returnType != null ? 1 : 0);
var superClassName = FunNGenerator.getSuperClassName(params.size() - 1); var superClassName = FunNGenerator.getSuperClassName(params.size() - 1, returnType != null ? 1 : 0);
try { try {
classLoader.findClass(superClassName); classLoader.findClass(superClassName);
} catch (ClassNotFoundException e) { } catch (ClassNotFoundException e) {
@ -569,7 +568,7 @@ public class ASTToTargetAST {
} }
FunNGenerator.GenericParameters gep = null; FunNGenerator.GenericParameters gep = null;
if (!usedFunN.containsKey(className)) { if (!usedFunN.containsKey(className)) {
gep = new FunNGenerator.GenericParameters(params); gep = new FunNGenerator.GenericParameters(params, returnType != null ? 1 : 0);
usedFunN.put(className, gep); usedFunN.put(className, gep);
} else { } else {
gep = usedFunN.get(className); gep = usedFunN.get(className);

24
src/main/java/de/dhbwstuttgart/target/tree/type/TargetFunNType.java
View File

@ -4,15 +4,29 @@ import de.dhbwstuttgart.bytecode.FunNGenerator;
import java.util.List; import java.util.List;
public record TargetFunNType(String name, List<TargetType> params) implements TargetSpecializedType { public record TargetFunNType(String name, List<TargetType> funNParams, List<TargetType> params, int returnArguments) implements TargetSpecializedType {
public static TargetFunNType fromParams(List<TargetType> params) { public static TargetFunNType fromParams(List<TargetType> params, int returnArguments) {
return fromParams(params, params); return fromParams(params, params, returnArguments);
} }
public static TargetFunNType fromParams(List<TargetType> params, List<TargetType> realParams) { public static TargetFunNType fromParams(List<TargetType> params, List<TargetType> realParams, int returnArguments) {
var name = FunNGenerator.getSpecializedClassName(FunNGenerator.getArguments(params), FunNGenerator.getReturnType(params)); var name = FunNGenerator.getSpecializedClassName(FunNGenerator.getArguments(params), FunNGenerator.getReturnType(params));
return new TargetFunNType(name, realParams); return new TargetFunNType(name, params, realParams, returnArguments);
}
public String toMethodDescriptor() {
var res = "(";
for (var i = 0; i < funNParams.size() - 1; i++) {
res += "Ljava/lang/Object;";
}
res += ")";
if (returnArguments > 0) {
res += "Ljava/lang/Object;";
} else {
res += "V";
}
return res;
} }
@Override @Override

24
src/main/java/de/dhbwstuttgart/target/tree/type/TargetType.java
View File

@ -53,19 +53,17 @@ public sealed interface TargetType
}; };
} }
static TargetType toTargetType(Class<?> clazz) { static TargetType toWrapper(TargetType f) {
if (clazz.isPrimitive()) { if (f.equals(boolean_)) return Boolean;
if (clazz.equals(boolean.class)) return boolean_; if (f.equals(char_)) return Char;
if (clazz.equals(char.class)) return char_; if (f.equals(byte_)) return Byte;
if (clazz.equals(byte.class)) return byte_; if (f.equals(short_)) return Short;
if (clazz.equals(short.class)) return short_; if (f.equals(int_)) return Integer;
if (clazz.equals(int.class)) return int_; if (f.equals(long_)) return Long;
if (clazz.equals(long.class)) return long_; if (f.equals(float_)) return Float;
if (clazz.equals(float.class)) return float_; if (f.equals(double_)) return Double;
if (clazz.equals(double.class)) return double_;
} return f;
if (clazz.equals(void.class)) return null;
return new TargetRefType(clazz.getName());
} }
String toSignature(); String toSignature();

3
src/test/java/AllgemeinTest.java
View File

@ -67,7 +67,8 @@ public class AllgemeinTest {
//String className = "List"; //String className = "List";
//String className = "Box"; //String className = "Box";
//String className = "GenBox"; //String className = "GenBox";
String className = "InnerInf"; //String className = "InnerInf";
String className = "Foo";
//PL 2019-10-24: genutzt fuer unterschiedliche Tests //PL 2019-10-24: genutzt fuer unterschiedliche Tests
path = System.getProperty("user.dir")+"/resources/AllgemeinTest/" + className + ".jav"; path = System.getProperty("user.dir")+"/resources/AllgemeinTest/" + className + ".jav";
//path = System.getProperty("user.dir")+"/src/test/resources/AllgemeinTest/Overloading_Generics.jav"; //path = System.getProperty("user.dir")+"/src/test/resources/AllgemeinTest/Overloading_Generics.jav";

7
src/test/java/TestComplete.java
View File

@ -860,13 +860,6 @@ public class TestComplete {
var instance = clazz.getDeclaredConstructor().newInstance(); var instance = clazz.getDeclaredConstructor().newInstance();
} }
@Test
public void testLamRunnable() throws Exception {
var classFiles = generateClassFiles(new ByteArrayClassLoader(), "LamRunnable.jav");
var clazz = classFiles.get("LamRunnable");
var instance = clazz.getDeclaredConstructor().newInstance();
}
@Test @Test
public void testAccess() throws Exception { public void testAccess() throws Exception {
var classFiles = generateClassFiles(new ByteArrayClassLoader(), "Access.jav"); var classFiles = generateClassFiles(new ByteArrayClassLoader(), "Access.jav");

2
src/test/java/targetast/TestCodegen.java
View File

@ -277,7 +277,7 @@ public class TestCodegen {
public void testLambda() throws Exception { public void testLambda() throws Exception {
var classLoader = new ByteArrayClassLoader(); var classLoader = new ByteArrayClassLoader();
// var fun = classLoader.loadClass(Path.of(System.getProperty("user.dir"), "src/test/java/targetast/Fun1$$.class")); // var fun = classLoader.loadClass(Path.of(System.getProperty("user.dir"), "src/test/java/targetast/Fun1$$.class"));
var interfaceType = TargetFunNType.fromParams(List.of(TargetType.Integer)); var interfaceType = TargetFunNType.fromParams(List.of(TargetType.Integer), 1);
var targetClass = new TargetClass(Opcodes.ACC_PUBLIC, new JavaClassName("CGLambda")); var targetClass = new TargetClass(Opcodes.ACC_PUBLIC, new JavaClassName("CGLambda"));
targetClass.addConstructor(Opcodes.ACC_PUBLIC, List.of(), new TargetBlock(List.of(new TargetMethodCall(null, new TargetSuper(TargetType.Object), List.of(), TargetType.Object, "<init>", false, false, false)))); targetClass.addConstructor(Opcodes.ACC_PUBLIC, List.of(), new TargetBlock(List.of(new TargetMethodCall(null, new TargetSuper(TargetType.Object), List.of(), TargetType.Object, "<init>", false, false, false))));