Merge branch 'main' into Tests

This commit is contained in:
Lucas 2024-07-01 23:31:00 +02:00
commit 771b92bfd7
38 changed files with 866 additions and 120 deletions

2
.idea/misc.xml generated
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@ -6,7 +6,7 @@
<PerGrammarGenerationSettings>
<option name="fileName" value="$PROJECT_DIR$/src/main/java/parser/SimpleJava.g4" />
<option name="autoGen" value="true" />
<option name="outputDir" value="C:\Users\Johannes\Documents\Github\JavaCompiler\src\main\java" />
<option name="outputDir" value="C:\Users\ARB00075\Documents\DH\Compilerbau\NichtHaskell2.0\src\main\java" />
<option name="libDir" value="" />
<option name="encoding" value="" />
<option name="pkg" value="parser.generated" />

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@ -1,5 +1,6 @@
package ast;
import bytecode.visitor.ProgramVisitor;
import semantic.SemanticVisitor;
import typechecker.TypeCheckResult;
import visitor.Visitable;
@ -18,4 +19,9 @@ public class ProgramNode implements ASTNode, Visitable {
public TypeCheckResult accept(SemanticVisitor visitor) {
return visitor.analyze(this);
}
@Override
public void accept(ProgramVisitor programVisitor) {
programVisitor.visit(this);
}
}

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@ -2,10 +2,12 @@ package ast.expressions.binaryexpressions;
import ast.expressions.IExpressionNode;
import ast.type.type.*;
import bytecode.visitor.MethodVisitor;
import semantic.SemanticVisitor;
import typechecker.TypeCheckResult;
import visitor.Visitable;
public class BinaryNode implements IExpressionNode {
public class BinaryNode implements IExpressionNode, Visitable {
private ITypeNode typeNode;
@ -23,4 +25,9 @@ public class BinaryNode implements IExpressionNode {
public void setType(ITypeNode type) {
this.typeNode = type;
}
@Override
public void accept(MethodVisitor methodVisitor) {
methodVisitor.visit(this);
}
}

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@ -1,6 +1,7 @@
package ast.expressions.binaryexpressions;
import ast.type.type.*;
import bytecode.visitor.MethodVisitor;
import semantic.SemanticVisitor;
import typechecker.TypeCheckResult;
@ -33,4 +34,10 @@ public class CalculationNode extends BinaryNode {
return visitor.analyze(this);
}
@Override
public void accept(MethodVisitor methodVisitor) {
methodVisitor.visit(this);
}
}

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@ -1,6 +1,7 @@
package ast.expressions.binaryexpressions;
import ast.type.type.*;
import bytecode.visitor.MethodVisitor;
import semantic.SemanticVisitor;
import typechecker.TypeCheckResult;
@ -34,4 +35,9 @@ public class DotNode extends BinaryNode {
return visitor.analyze(this);
}
@Override
public void accept(MethodVisitor methodVisitor) {
methodVisitor.visit(this);
}
}

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@ -4,6 +4,7 @@ import ast.expressions.unaryexpressions.MemberAccessNode;
import ast.statementexpressions.methodcallstatementnexpressions.MethodCallNode;
import ast.type.type.*;
import ast.type.ValueNode;
import bytecode.visitor.MethodVisitor;
import semantic.SemanticVisitor;
import typechecker.TypeCheckResult;
@ -36,4 +37,9 @@ public class DotSubstractionNode extends BinaryNode {
return visitor.analyze(this);
}
@Override
public void accept(MethodVisitor methodVisitor) {
methodVisitor.visit(this);
}
}

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@ -3,6 +3,7 @@ package ast.expressions.binaryexpressions;
import ast.expressions.IExpressionNode;
import ast.expressions.unaryexpressions.UnaryNode;
import ast.type.type.*;
import bytecode.visitor.MethodVisitor;
import semantic.SemanticVisitor;
import typechecker.TypeCheckResult;
@ -42,4 +43,9 @@ public class NonCalculationNode extends BinaryNode {
return visitor.analyze(this);
}
@Override
public void accept(MethodVisitor methodVisitor) {
methodVisitor.visit(this);
}
}

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@ -1,6 +1,7 @@
package ast.expressions.unaryexpressions;
import ast.ASTNode;
import bytecode.visitor.MethodVisitor;
import ast.type.type.ITypeNode;
import semantic.SemanticVisitor;
import typechecker.TypeCheckResult;
@ -23,6 +24,10 @@ public class MemberAccessNode implements ASTNode, Visitable {
}
@Override
public void accept(MethodVisitor methodVisitor) {
methodVisitor.visit(this);
}
public TypeCheckResult accept(SemanticVisitor visitor) {
return visitor.analyze(this);
}

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@ -2,12 +2,26 @@ package ast.expressions.unaryexpressions;
import ast.ASTNode;
import ast.expressions.IExpressionNode;
import bytecode.visitor.MethodVisitor;
import semantic.SemanticVisitor;
import typechecker.TypeCheckResult;
import visitor.Visitable;
public class NotNode implements ASTNode {
public class NotNode implements ASTNode, Visitable {
public IExpressionNode expression;
public NotNode(IExpressionNode expression) {
this.expression = expression;
}
@Override
public void accept(MethodVisitor methodVisitor) {
methodVisitor.visit(this);
}
@Override
public TypeCheckResult accept(SemanticVisitor visitor) {
return null;
}
}

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@ -4,6 +4,7 @@ import ast.expressions.IExpressionNode;
import ast.statements.IStatementNode;
import ast.type.type.*;
import ast.type.ValueNode;
import bytecode.visitor.MethodVisitor;
import semantic.SemanticVisitor;
import typechecker.TypeCheckResult;
@ -61,4 +62,9 @@ public class UnaryNode implements IExpressionNode {
this.type = type;
}
@Override
public void accept(MethodVisitor methodVisitor) {
methodVisitor.visit(this);
}
}

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@ -0,0 +1,11 @@
package ast.literal;
public class BooleanLiteralNode {
private String value;
public BooleanLiteralNode(String value) {this.value = value;}
public String getValue() {
return value;
}
}

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@ -0,0 +1,11 @@
package ast.literal;
public class CharLiteralNode {
public String value;
public CharLiteralNode(String value) {this.value = value;}
public String getValue() {
return value;
}
}

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@ -0,0 +1,31 @@
package ast.literal;
import ast.expression.ExpressionNode;
import ast.type.TypeNode;
import semantic.SemanticVisitor;
import typechecker.TypeCheckResult;
public class LiteralNode implements ExpressionNode {
public String value;
private TypeNode type;
public LiteralNode(String value, TypeNode type) {
this.value = value;
this.type = type;
}
public TypeNode getType() {
return type;
}
public void setType(TypeNode type) {
this.type = type;
}
@Override
public TypeCheckResult accept(SemanticVisitor visitor) {
return null;
}
}

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@ -3,12 +3,14 @@ package ast.members;
import ast.parameters.ParameterNode;
import ast.statements.BlockNode;
import ast.type.AccessModifierNode;
import bytecode.visitor.MethodVisitor;
import visitor.Visitable;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
public class ConstructorNode extends MethodNode {
public class ConstructorNode extends MethodNode implements Visitable {
public AccessModifierNode accessType;
public String identifier;
public List<ParameterNode> parameters = new ArrayList<>();
@ -25,6 +27,10 @@ public class ConstructorNode extends MethodNode {
}
@Override
public void accept(MethodVisitor methodVisitor) {
methodVisitor.visit(this);
}
public boolean isSame(MethodNode methodNode) {
if (!(Objects.equals(this.identifier, methodNode.getIdentifier()))
|| getParameters().size() != methodNode.getParameters().size()) {

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@ -2,6 +2,8 @@ package ast.members;
import ast.type.AccessModifierNode;
import ast.type.type.ITypeNode;
import bytecode.visitor.ClassVisitor;
import bytecode.visitor.MethodVisitor;
import semantic.SemanticVisitor;
import typechecker.TypeCheckResult;
import visitor.Visitable;
@ -22,4 +24,9 @@ public class FieldNode implements MemberNode, Visitable {
return visitor.analyze(this);
}
@Override
public void accept(ClassVisitor classVisitor) {
classVisitor.visit(this);
}
}

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@ -1,10 +1,18 @@
package ast.members;
import ast.statements.BlockNode;
import bytecode.visitor.MethodVisitor;
import visitor.Visitable;
public class MainMethodNode extends MethodNode {
public class MainMethodNode extends MethodNode implements Visitable {
public BlockNode block;
public MainMethodNode(BlockNode block) {
this.block = block;
}
@Override
public void accept(MethodVisitor methodVisitor) {
methodVisitor.visit(this);
}
}

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@ -21,7 +21,8 @@ public class MethodNode implements MemberNode, Visitable {
public List<ParameterNode> parameters = new ArrayList<>();
public BlockNode block;
public MethodNode() {}
public MethodNode() {
}
public MethodNode(String accessModifier, ITypeNode type, Boolean voidType, String identifier, BlockNode block){
this.accesModifier = new AccessModifierNode(accessModifier);

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@ -0,0 +1,11 @@
package ast.statement;
import ast.statements.IStatementNode;
import java.util.List;
public class BlockStatementNode {
List<IStatementNode> statements;
public BlockStatementNode(List<IStatementNode> statements) {this.statements = statements;}
}

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@ -1,6 +1,7 @@
package ast.statementexpressions;
import ast.expressions.IExpressionNode;
import bytecode.visitor.MethodVisitor;
import semantic.SemanticVisitor;
import typechecker.TypeCheckResult;
@ -18,4 +19,9 @@ public class AssignNode implements IStatementExpressionNode {
return visitor.analyze(this);
}
@Override
public void accept(MethodVisitor methodVisitor) {
methodVisitor.visit(this);
}
}

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@ -1,6 +1,7 @@
package ast.statementexpressions;
import ast.expressions.IExpressionNode;
import bytecode.visitor.MethodVisitor;
import semantic.SemanticVisitor;
import typechecker.TypeCheckResult;
@ -24,4 +25,9 @@ public class NewDeclarationNode implements IStatementExpressionNode {
return visitor.analyze(this);
}
@Override
public void accept(MethodVisitor methodVisitor) {
methodVisitor.visit(this);
}
}

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@ -2,8 +2,10 @@ package ast.statementexpressions.crementexpressions;
import ast.statementexpressions.AssignableNode;
import ast.statementexpressions.IStatementExpressionNode;
import bytecode.visitor.MethodVisitor;
import semantic.SemanticVisitor;
import typechecker.TypeCheckResult;
import visitor.Visitable;
public class DecrementNode implements IStatementExpressionNode {
public CrementType crementType;
@ -19,4 +21,9 @@ public class DecrementNode implements IStatementExpressionNode {
return visitor.analyze(this);
}
@Override
public void accept(MethodVisitor methodVisitor) {
methodVisitor.visit(this);
}
}

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@ -2,6 +2,7 @@ package ast.statementexpressions.crementexpressions;
import ast.statementexpressions.AssignableNode;
import ast.statementexpressions.IStatementExpressionNode;
import bytecode.visitor.MethodVisitor;
import semantic.SemanticVisitor;
import typechecker.TypeCheckResult;
@ -19,4 +20,9 @@ public class IncrementNode implements IStatementExpressionNode {
return visitor.analyze(this);
}
@Override
public void accept(MethodVisitor methodVisitor) {
methodVisitor.visit(this);
}
}

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@ -2,11 +2,15 @@ package ast.statementexpressions.methodcallstatementnexpressions;
import ast.ASTNode;
import ast.expressions.IExpressionNode;
import bytecode.visitor.MethodVisitor;
import semantic.SemanticVisitor;
import typechecker.TypeCheckResult;
import visitor.Visitable;
import java.util.ArrayList;
import java.util.List;
public class ChainedMethodNode implements ASTNode {
public class ChainedMethodNode implements ASTNode, Visitable {
public String identifier;
public List<IExpressionNode> expressions = new ArrayList<>();
@ -17,4 +21,14 @@ public class ChainedMethodNode implements ASTNode {
public void addExpression(IExpressionNode expression) {
expressions.add(expression);
}
@Override
public void accept(MethodVisitor methodVisitor) {
methodVisitor.visit(this);
}
@Override
public TypeCheckResult accept(SemanticVisitor visitor) {
return null;
}
}

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@ -2,6 +2,7 @@ package ast.statementexpressions.methodcallstatementnexpressions;
import ast.expressions.IExpressionNode;
import ast.statements.IStatementNode;
import bytecode.visitor.MethodVisitor;
import semantic.SemanticVisitor;
import typechecker.TypeCheckResult;
@ -32,4 +33,9 @@ public class MethodCallNode implements IStatementNode {
return visitor.analyze(this);
}
@Override
public void accept(MethodVisitor methodVisitor) {
methodVisitor.visit(this);
}
}

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@ -3,6 +3,7 @@ package ast.statementexpressions.methodcallstatementnexpressions;
import ast.ASTNode;
import ast.expressions.unaryexpressions.MemberAccessNode;
import ast.statementexpressions.NewDeclarationNode;
import bytecode.visitor.MethodVisitor;
import semantic.SemanticVisitor;
import typechecker.TypeCheckResult;
import visitor.Visitable;
@ -30,6 +31,10 @@ public class TargetNode implements ASTNode, Visitable {
}
@Override
public void accept(MethodVisitor methodVisitor) {
methodVisitor.visit(this);
}
public TypeCheckResult accept(SemanticVisitor visitor) {
return visitor.analyze(this);
}

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@ -0,0 +1,10 @@
package ast.statements;
import java.util.List;
public class BlockStatementNode {
List<IStatementNode> statements;
public BlockStatementNode(List<IStatementNode> statements) {this.statements = statements;}
}

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@ -1,6 +1,5 @@
package ast.statements;
import ast.ASTNode;
import semantic.SemanticVisitor;
import typechecker.TypeCheckResult;

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@ -1,6 +1,5 @@
package ast.statements;
import ast.ASTNode;
import semantic.SemanticVisitor;
import typechecker.TypeCheckResult;

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@ -1,6 +1,5 @@
package ast.statements;
import ast.ASTNode;
import ast.expressions.IExpressionNode;
import semantic.SemanticVisitor;
import typechecker.TypeCheckResult;

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@ -2,6 +2,7 @@ package ast.statements;
import ast.expressions.IExpressionNode;
import ast.type.type.*;
import bytecode.visitor.MethodVisitor;
import semantic.SemanticVisitor;
import typechecker.TypeCheckResult;
@ -23,4 +24,9 @@ public class LocalVariableDeclarationNode implements IStatementNode {
return visitor.analyze(this);
}
@Override
public void accept(MethodVisitor methodVisitor) {
methodVisitor.visit(this);
}
}

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@ -1,6 +1,7 @@
package ast.statements;
import ast.expressions.IExpressionNode;
import bytecode.visitor.MethodVisitor;
import semantic.SemanticVisitor;
import typechecker.TypeCheckResult;
@ -21,4 +22,9 @@ public class ReturnNode implements IStatementNode {
return visitor.analyze(this);
}
@Override
public void accept(MethodVisitor methodVisitor) {
methodVisitor.visit(this);
}
}

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@ -1,6 +1,5 @@
package ast.statements;
import ast.ASTNode;
import ast.expressions.IExpressionNode;
import semantic.SemanticVisitor;
import typechecker.TypeCheckResult;

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@ -1,6 +1,7 @@
package ast.type;
import ast.ASTNode;
import bytecode.visitor.MethodVisitor;
import semantic.SemanticVisitor;
import typechecker.TypeCheckResult;
import visitor.Visitable;
@ -14,6 +15,10 @@ public class ValueNode implements ASTNode, Visitable {
this.value = value;
}
@Override
public void accept(MethodVisitor methodVisitor) {
methodVisitor.visit(this);
}
@Override
public TypeCheckResult accept(SemanticVisitor visitor) {

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@ -2,21 +2,78 @@ package bytecode;
import ast.ProgramNode;
import ast.ClassNode;
import ast.members.MainMethodNode;
import ast.members.MemberNode;
import bytecode.visitor.ProgramVisitor;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.jar.JarOutputStream;
import java.util.jar.Manifest;
public class ByteCodeGenerator implements ProgramVisitor {
private final String outputDirectoryPath;
private JarOutputStream jarOutputStream;
private ByteArrayOutputStream byteArrayOutputStream;
private String outputDirectory;
public ByteCodeGenerator(String outputDirectoryPath) {
this.outputDirectoryPath = outputDirectoryPath;
}
@Override
public void visit(ProgramNode programNode) {
for (ClassNode classDeclarationNode : programNode.classes) {
// ClassCodeGen classCodeGen = new ClassCodeGen();
// classDeclarationNode.accept(classCodeGen);
public ByteCodeGenerator(String outputDirectory) {
this.outputDirectory = outputDirectory;
}
@Override
public void visit(ProgramNode programNode) {
byteArrayOutputStream = new ByteArrayOutputStream();
try {
Manifest manifest = new Manifest();
manifest.getMainAttributes().putValue("Manifest-Version", "1.0");
boolean foundMainClass = false;
for (ClassNode classNode : programNode.classes) {
if (foundMainClass) {
break;
}
for (MemberNode memberNode : classNode.members) {
if (memberNode instanceof MainMethodNode) {
manifest.getMainAttributes().putValue("Main-Class", classNode.identifier);
foundMainClass = true;
break;
}
}
}
jarOutputStream = new JarOutputStream(byteArrayOutputStream, manifest);
} catch (IOException e) {
throw new RuntimeException(e);
}
for (ClassNode classDeclarationNode : programNode.classes) {
ClassCodeGen classCodeGen = new ClassCodeGen(jarOutputStream, outputDirectory);
classDeclarationNode.accept(classCodeGen);
}
try {
jarOutputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
saveJarFile(byteArrayOutputStream.toByteArray(), "output.jar");
}
private void saveJarFile(byte[] jarBytes, String jarFileName) {
File directory = new File(outputDirectory);
if (!directory.exists()) {
directory.mkdirs();
}
File jarFile = new File(directory, jarFileName);
try (FileOutputStream fos = new FileOutputStream(jarFile)) {
fos.write(jarBytes);
} catch (IOException e) {
e.printStackTrace();
}
}
}
}

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@ -10,26 +10,31 @@ import bytecode.visitor.ClassVisitor;
import java.io.File;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.Opcodes;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.jar.JarEntry;
import java.util.jar.JarOutputStream;
public class ClassCodeGen implements ClassVisitor {
private Mapper mapper;
private ClassWriter classWriter;
private final String outputDirectoryPath;
private JarOutputStream jarOutputStream;
private String outputDirectory;
public ClassCodeGen(String outputDirectoryPath) {
this.outputDirectoryPath = outputDirectoryPath;
public ClassCodeGen(JarOutputStream jarOutputStream, String outputDirectory) {
mapper = new Mapper();
this.jarOutputStream = jarOutputStream;
this.outputDirectory = outputDirectory;
}
@Override
public void visit(ClassNode classNode) {
classWriter = new ClassWriter(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);
// classWriter.visit(Opcodes.V1_5, mapper.mapAccessTypeToOpcode(classNode.accessType), classNode.identifier, null,
// "java/lang/Object", null);
classWriter.visit(Opcodes.V1_5, mapper.mapAccessTypeToOpcode(classNode.accessType), classNode.identifier, null,
"java/lang/Object", null);
for (MemberNode memberNode : classNode.members) {
if (memberNode instanceof FieldNode) {
@ -41,28 +46,27 @@ public class ClassCodeGen implements ClassVisitor {
}
classWriter.visitEnd();
printIntoClassFile(classWriter.toByteArray(), classNode.identifier);
writeToJar(classWriter.toByteArray(), classNode.identifier);
printIntoClassFile(classWriter.toByteArray(), classNode.identifier, outputDirectory);
classWriter.visitEnd();
}
@Override
public void visit(FieldNode fieldNode) {
if(fieldNode.type instanceof BaseType baseTypeNode){
// classWriter.visitField(mapper.mapAccessTypeToOpcode(fieldNode.accessTypeNode), fieldNode.identifier, mapper.getTypeChar(baseTypeNode.enumType), null, null );
if (fieldNode.type instanceof BaseType) {
classWriter.visitField(mapper.mapAccessTypeToOpcode(fieldNode.accessTypeNode), fieldNode.identifier, mapper.getTypeChar((BaseType) fieldNode.type), null, null);
}
classWriter.visitEnd();
}
private void printIntoClassFile(byte[] byteCode, String name) {
// String outputDirectoryPath = "src/main/resources/output";
// System.out.println("Output directory path: " + outputDirectoryPath);
File directory = new File(outputDirectoryPath);
private void printIntoClassFile(byte[] byteCode, String name, String outputDirectory) {
File directory = new File(outputDirectory);
if (!directory.exists()) {
directory.mkdirs();
}
String filePath = outputDirectoryPath + "/" + name + ".class";
String filePath = outputDirectory + "/" + name + ".class";
try {
FileOutputStream fileOutputStream = new FileOutputStream(filePath);
fileOutputStream.write(byteCode);
@ -71,4 +75,15 @@ public class ClassCodeGen implements ClassVisitor {
e.printStackTrace();
}
}
private void writeToJar(byte[] byteCode, String className) {
try {
JarEntry jarEntry = new JarEntry(className + ".class");
jarOutputStream.putNextEntry(jarEntry);
jarOutputStream.write(byteCode);
jarOutputStream.closeEntry();
} catch (IOException e) {
e.printStackTrace();
}
}
}

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@ -1,41 +1,60 @@
package bytecode;
import ast.parameters.ParameterNode;
import ast.type.*;
import ast.type.type.BaseType;
import ast.type.type.ReferenceType;
import ast.type.type.TypeEnum;
import org.objectweb.asm.Opcodes;
import java.util.List;
public class Mapper {
// public int mapAccessTypeToOpcode(AccessModifierNode type) {
// switch (type.enumAccessTypeNode) {
// case EnumAccessTypeNode.PUBLIC:
// return Opcodes.ACC_PUBLIC;
// case EnumAccessTypeNode.PRIVATE:
// return Opcodes.ACC_PRIVATE;
// }
// return 0;
// }
public int mapAccessTypeToOpcode(AccessModifierNode accessModifierNode) {
switch (accessModifierNode.accessType) {
case EnumAccessModifierNode.PUBLIC:
return Opcodes.ACC_PUBLIC;
case EnumAccessModifierNode.PRIVATE:
return Opcodes.ACC_PRIVATE;
case EnumAccessModifierNode.PUBLIC_STATIC:
return Opcodes.ACC_PUBLIC | Opcodes.ACC_STATIC;
case EnumAccessModifierNode.PRIVATE_STATIC:
return Opcodes.ACC_PRIVATE | Opcodes.ACC_STATIC;
}
return 0;
}
// public String generateMethodDescriptor(BaseTypeNode baseTypeNode, ParameterListNode parameterListNode) {
// String descriptor = "(";
// for(ParameterNode parameterNode : parameterListNode.parameters) {
// descriptor += getTypeChar(EnumTypeNode.INT);
// }
// descriptor += ")";
// descriptor += getTypeChar(baseTypeNode.enumType);
// return descriptor;
// }
public String generateMethodDescriptor(BaseType type, List<ParameterNode> parameters) {
String descriptor = "(";
for (ParameterNode parameterNode : parameters) {
descriptor += getTypeChar((BaseType) parameterNode.type);
}
descriptor += ")";
descriptor += getTypeChar(type);
return descriptor;
}
// public String getTypeChar(TypeEnum enumTypeNode) {
// String typeChar = "";
// switch (enumTypeNode) {
// case TypeEnum.INT:
// typeChar = "I";
// break;
// case TypeEnum.CHAR:
// typeChar = "C";
// break;
// case TypeEnum.BOOLEAN:
// typeChar = "Z";
// break;
// }
// return typeChar;
// }
public String generateMethodDescriptor(ReferenceType type, List<ParameterNode> parameters) {
String descriptor = "()V";
return descriptor;
}
public String getTypeChar(BaseType type) {
String typeChar = "";
switch (type.getTypeEnum()) {
case TypeEnum.INT:
typeChar = "I";
break;
case TypeEnum.CHAR:
typeChar = "C";
break;
case TypeEnum.BOOL:
typeChar = "Z";
break;
case TypeEnum.VOID:
typeChar = "V";
break;
}
return typeChar;
}
}

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@ -1,9 +1,28 @@
package bytecode;
import ast.expressions.binaryexpressions.*;
import ast.expressions.unaryexpressions.MemberAccessNode;
import ast.expressions.unaryexpressions.NotNode;
import ast.expressions.unaryexpressions.UnaryNode;
import ast.members.ConstructorNode;
import ast.members.MainMethodNode;
import ast.members.MethodNode;
import ast.parameters.ParameterNode;
import ast.statementexpressions.AssignNode;
import ast.statementexpressions.NewDeclarationNode;
import ast.statementexpressions.crementexpressions.DecrementNode;
import ast.statementexpressions.crementexpressions.IncrementNode;
import ast.statementexpressions.methodcallstatementnexpressions.ChainedMethodNode;
import ast.statementexpressions.methodcallstatementnexpressions.MethodCallNode;
import ast.statementexpressions.methodcallstatementnexpressions.TargetNode;
import ast.statements.*;
import ast.type.ValueNode;
import ast.type.type.BaseType;
import ast.type.type.TypeEnum;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.Label;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import java.util.ArrayList;
import java.util.List;
@ -25,70 +44,433 @@ public class MethodCodeGen implements bytecode.visitor.MethodVisitor {
localVaribales = new ArrayList<>();
}
// Method nodes
@Override
public void visit(ConstructorNode constructorNode) {
// methodVisitor =
// classWriter.visitMethod(mapper.mapAccessTypeToOpcode(constructorNode.visibility),
// "<init>",
// "()V",
// null,
// null);
methodVisitor =
classWriter.visitMethod(mapper.mapAccessTypeToOpcode(constructorNode.accessType),
"<init>",
mapper.generateMethodDescriptor(new BaseType(TypeEnum.VOID), constructorNode.parameters),
null,
null);
methodVisitor.visitCode();
localVaribales.add("this");
// Add all method parameters to localVariables
for (ParameterNode parameterNode : constructorNode.parameters) {
localVaribales.add(parameterNode.identifier);
}
methodVisitor.visitVarInsn(ALOAD, 0);
methodVisitor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
methodVisitor.visitInsn(RETURN);
methodVisitor.visitMaxs(1, 1);
// Visit all statements
for (IStatementNode statementNode : constructorNode.block.statements) {
statementNode.accept(this);
}
methodVisitor.visitMaxs(0, 0);
methodVisitor.visitEnd();
}
@Override
public void visit(MainMethodNode mainMethodNode) {
methodVisitor = classWriter.visitMethod(mapper.mapAccessTypeToOpcode(mainMethodNode.accesModifier),
mainMethodNode.getIdentifier(),
"([Ljava/lang/String;)V",
null,
null);
methodVisitor.visitCode();
localVaribales.add("this");
localVaribales.add("args");
// Visit all statements
for (IStatementNode statementNode : mainMethodNode.block.statements) {
statementNode.accept(this);
}
methodVisitor.visitMaxs(0, 0);
methodVisitor.visitEnd();
}
@Override
public void visit(MethodNode methodNode) {
// if (methodNode.type instanceof BaseTypeNode baseTypeNode) {
// methodVisitor = classWriter.visitMethod(mapper.mapAccessTypeToOpcode(methodNode.visibility),
// methodNode.identifier,
// mapper.generateMethodDescriptor(baseTypeNode, methodNode.parameters),
// null,
// null);
methodVisitor = classWriter.visitMethod(mapper.mapAccessTypeToOpcode(methodNode.accesModifier),
methodNode.getIdentifier(),
mapper.generateMethodDescriptor((BaseType) methodNode.getType(), methodNode.parameters),
null,
null);
methodVisitor.visitCode();
localVaribales.add("this");
// for (ParameterNode parameterNode : methodNode.parameters.parameters) {
// localVaribales.add(parameterNode.identifier);
// }
methodVisitor.visitCode();
localVaribales.add("this");
// Add all method parameters to localVariables
for (ParameterNode parameterNode : methodNode.parameters) {
localVaribales.add(parameterNode.identifier);
}
//test();
methodVisitor.visitMaxs(1, localVaribales.size());
methodVisitor.visitEnd();
// }
// Visit all statements
for (IStatementNode statementNode : methodNode.block.statements) {
statementNode.accept(this);
}
methodVisitor.visitMaxs(0, 0);
methodVisitor.visitEnd();
}
// public void test() {
// Label start = new Label();
// Label loop = new Label();
// Label end = new Label();
// methodVisitor.visitLabel(start);
// //methodVisitor.visitVarInsn(Opcodes.ICONST_M1, 99);
// //methodVisitor.visitInsn(Opcodes.ICONST_5);
// methodVisitor.visitLdcInsn(99);
// // methodVisitor.visitInsn(Opcodes.ICONST_0);
// //methodVisitor.visitVarInsn(Opcodes.ILOAD, 2);
// methodVisitor.visitVarInsn(Opcodes.ISTORE, 1);
// methodVisitor.visitLabel(loop);
// methodVisitor.visitVarInsn(Opcodes.ILOAD, 1);
// methodVisitor.visitInsn(Opcodes.ICONST_5);
// methodVisitor.visitJumpInsn(Opcodes.IF_ICMPGE, end);
// methodVisitor.visitFieldInsn(Opcodes.GETSTATIC,
// "java/lang/System", "out",
// "Ljava/io/PrintStream;");
// methodVisitor.visitLdcInsn("Bytecode");
// methodVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL,
// "java/io/PrintStream", "println",
// "(Ljava/lang/String;)V", false);
// methodVisitor.visitIincInsn(1, 1);
// methodVisitor.visitJumpInsn(Opcodes.GOTO, loop);
// methodVisitor.visitLabel(end);
// methodVisitor.visitVarInsn(Opcodes.ILOAD, 1);
// methodVisitor.visitInsn(Opcodes.IRETURN);
// methodVisitor.visitEnd();
// }
// Binary expressions
@Override
public void visit(BinaryNode binaryNode) {
binaryNode.accept(this);
}
@Override
public void visit(CalculationNode calculationNode) {
calculationNode.dotExpression.accept(this);
calculationNode.calculationExpression.accept(this);
switch (calculationNode.operator) {
case PLUS:
methodVisitor.visitInsn(IADD);
break;
case MINUS:
methodVisitor.visitInsn(ISUB);
break;
}
}
@Override
public void visit(DotNode dotNode) {
dotNode.dotExpression.accept(this);
dotNode.dotSubstractionExpression.accept(this);
switch (dotNode.operator) {
case DIV:
methodVisitor.visitInsn(IDIV);
break;
case MULT:
methodVisitor.visitInsn(IMUL);
break;
case MOD:
methodVisitor.visitInsn(IREM);
break;
}
}
@Override
public void visit(DotSubstractionNode dotSubstractionNode) {
if (dotSubstractionNode.value != null) {
dotSubstractionNode.value.accept(this);
} else if (dotSubstractionNode.identifier != null) {
methodVisitor.visitVarInsn(ILOAD, localVaribales.indexOf(dotSubstractionNode.identifier));
} else if (dotSubstractionNode.memberAccess != null) {
dotSubstractionNode.memberAccess.accept(this);
} else if (dotSubstractionNode.methodCall != null) {
dotSubstractionNode.methodCall.accept(this);
} else if (dotSubstractionNode.calculationExpression != null) {
dotSubstractionNode.calculationExpression.accept(this);
}
}
@Override
public void visit(NonCalculationNode nonCalculationNode) {
Label labelFalse = new Label();
Label labelTrue = new Label();
switch (nonCalculationNode.operator) {
case AND:
nonCalculationNode.unaryExpression.accept(this);
methodVisitor.visitJumpInsn(IFEQ, labelFalse); // Value compared to 0 (false)
nonCalculationNode.expression.accept(this);
methodVisitor.visitJumpInsn(IFEQ, labelFalse);
break;
case OR:
nonCalculationNode.unaryExpression.accept(this);
methodVisitor.visitJumpInsn(IFNE, labelTrue);
nonCalculationNode.expression.accept(this);
methodVisitor.visitJumpInsn(IFEQ, labelFalse);
break;
case GREATER:
nonCalculationNode.unaryExpression.accept(this);
nonCalculationNode.expression.accept(this);
methodVisitor.visitJumpInsn(IF_ICMPLE, labelFalse);
break;
case LESS:
nonCalculationNode.unaryExpression.accept(this);
nonCalculationNode.expression.accept(this);
methodVisitor.visitJumpInsn(IF_ICMPGE, labelFalse);
break;
case GREATER_EQUAL:
nonCalculationNode.unaryExpression.accept(this);
nonCalculationNode.expression.accept(this);
methodVisitor.visitJumpInsn(IF_ICMPLT, labelFalse);
break;
case LESS_EQUAL:
nonCalculationNode.unaryExpression.accept(this);
nonCalculationNode.expression.accept(this);
methodVisitor.visitJumpInsn(IF_ICMPGT, labelFalse);
break;
case EQUAL:
nonCalculationNode.unaryExpression.accept(this);
nonCalculationNode.expression.accept(this);
if (nonCalculationNode.unaryExpression.getType() instanceof BaseType && nonCalculationNode.expression.getType() instanceof BaseType) {
methodVisitor.visitJumpInsn(IF_ICMPNE, labelFalse);
} else {
methodVisitor.visitJumpInsn(IF_ACMPNE, labelFalse);
}
break;
case NOT_EQUAL:
nonCalculationNode.unaryExpression.accept(this);
nonCalculationNode.expression.accept(this);
if (nonCalculationNode.unaryExpression.getType() instanceof BaseType && nonCalculationNode.expression.getType() instanceof BaseType) {
methodVisitor.visitJumpInsn(IF_ACMPEQ, labelFalse);
} else {
methodVisitor.visitJumpInsn(IF_ACMPEQ, labelFalse);
}
break;
}
Label labelEndLogicalExpression = new Label();
methodVisitor.visitLabel(labelTrue);
methodVisitor.visitInsn(ICONST_1); // true
methodVisitor.visitJumpInsn(GOTO, labelEndLogicalExpression);
methodVisitor.visitLabel(labelFalse);
methodVisitor.visitInsn(ICONST_0); // false
methodVisitor.visitLabel(labelEndLogicalExpression);
}
// Unary expressions
@Override
public void visit(MemberAccessNode memberAccessNode) {
if (memberAccessNode.thisExpr) {
//methodVisitor.visitFieldInsn(PUTFIELD);
}
}
@Override
public void visit(NotNode notNode) {
Label labelFalse = new Label();
Label labelTrue = new Label();
notNode.expression.accept(this);
methodVisitor.visitJumpInsn(Opcodes.IFNE, labelFalse); // false if value is true (value != 0)
Label labelEndLogicalExpression = new Label();
methodVisitor.visitLabel(labelTrue);
methodVisitor.visitInsn(ICONST_1); // true
methodVisitor.visitJumpInsn(GOTO, labelEndLogicalExpression);
methodVisitor.visitLabel(labelFalse);
methodVisitor.visitInsn(ICONST_0); // false
methodVisitor.visitLabel(labelEndLogicalExpression);
}
@Override
public void visit(UnaryNode unaryNode) {
}
// Statements
@Override
public void visit(IfElseNode ifElseNode) {
Label elseLabel = new Label();
Label[] elseIfLabels = new Label[ifElseNode.elseIfStatements.size()];
for(int i = 0; i < ifElseNode.elseIfStatements.size(); i++) {
elseIfLabels[i] = new Label();
}
ifElseNode.ifStatement.expression.accept(this);
if (ifElseNode.elseIfStatements.isEmpty()) {
// No else if
methodVisitor.visitJumpInsn(IFEQ, elseLabel);
} else {