.gitignore

@@ -77,3 +77,9 @@ fabric.properties
 .idea/caches/build_file_checksums.ser
 
 /target
+src/main/resources/logs/RaupenLog.log
+src/main/resources/output/CompilerInput.class
+src/test/resources/output/javac/CompilerInput$Test.class
+src/test/resources/output/javac/CompilerInput.class
+src/test/resources/output/raupenpiler/CompilerInput.class
+src/test/resources/output/raupenpiler/CompilerInput$Test.class

pom.xml

@@ -4,13 +4,14 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
-    <groupId>org.example</groupId>
+    <groupId>de.dhbw-stuttgart</groupId>
     <artifactId>JavaCompiler</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0</version>
 
     <properties>
-        <maven.compiler.source>21</maven.compiler.source>
+        <java.version>22</java.version>
-        <maven.compiler.target>21</maven.compiler.target>
+        <maven.compiler.source>${java.version}</maven.compiler.source>
+        <maven.compiler.target>${java.version}</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
@@ -44,7 +45,28 @@
                 <artifactId>maven-surefire-plugin</artifactId>
                 <version>3.0.0-M5</version> <!-- Change the version as needed -->
             </plugin>
+            <plugin>
+                <artifactId>maven-assembly-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>make-assembly</id> <!-- this is used for inheritance merges -->
+                        <phase>package</phase> <!-- bind to the packaging phase -->
+                        <goals>
+                            <goal>single</goal>
+                        </goals>
+                    </execution>
+                </executions>
+                <configuration>
+                    <archive>
+                        <manifest>
+                            <mainClass>main.Main</mainClass>
+                        </manifest>
+                    </archive>
+                    <descriptorRefs>
+                        <descriptorRef>jar-with-dependencies</descriptorRef>
+                    </descriptorRefs>
+                </configuration>
+            </plugin>
         </plugins>
     </build>
-
 </project>

src/main/java/Main.java

@@ -1,135 +0,0 @@
-import ast.ASTNode;
-import org.antlr.v4.runtime.*;
-import org.antlr.v4.runtime.Token;
-import ast.ProgramNode;
-import bytecode.ByteCodeGenerator;
-import org.antlr.v4.runtime.CharStream;
-import org.antlr.v4.runtime.CharStreams;
-import org.antlr.v4.runtime.tree.ParseTree;
-import org.antlr.v4.runtime.CommonTokenStream;
-import parser.ASTBuilder;
-import parser.generated.SimpleJavaLexer;
-import parser.generated.SimpleJavaParser;
-import semantic.SemanticAnalyzer;
-import bytecode.ByteCodeGenerator;
-
-import java.io.IOException;
-import java.nio.file.Paths;
-import java.util.List;
-
-public class Main {
-    public static void main(String[] args) throws Exception {
-        if(args.length > 0) {
-
-        } else {
-            try {
-                CharStream codeCharStream = CharStreams.fromPath(Paths.get("src/main/resources/CompilerInput.java"));
-                parseFile(codeCharStream);
-            } catch (IOException e) {
-                System.err.println("Error reading the file: " + e.getMessage());
-            }
-        }
-    }
-
-
-    static void parseFile(CharStream codeCharStream) {
-        /* ------------------------- Scanner -> tokens ------------------------- */
-        SimpleJavaLexer lexer = new SimpleJavaLexer(codeCharStream);
-        CommonTokenStream tokenStream = new CommonTokenStream(lexer);
-
-        // Printing the tokens
-//        tokenStream.fill();
-//        List<Token> tokens = tokenStream.getTokens();
-//        System.out.println("-------------------- Scanner -> tokens --------------------");
-//        for (Token token : tokens) {
-//            String tokenType = SimpleJavaLexer.VOCABULARY.getSymbolicName(token.getType());
-//            String tokenText = token.getText();
-//            // System.out.println("Token Type: " + tokenType + ", Token Text: " +
-//            // tokenText);
-//            System.out.println(tokenType + " " + tokenText);
-//        }
-//        System.out.println();
-
-        /* ------------------------- Parser -> Parsetree ------------------------- */
-        SimpleJavaParser parser = new SimpleJavaParser(tokenStream);
-        ParseTree parseTree = parser.program(); // parse the input
-
-        // Printing the parse tree
-//        System.out.println("-------------------- Parser -> Parsetree --------------------");
-//        System.out.println(parseTree.toStringTree(parser));
-//        printTree(parseTree, parser, 0);
-//        System.out.println();
-
-        /* ------------------------- AST builder -> AST ------------------------- */
-        ASTBuilder astBuilder = new ASTBuilder();
-        ProgramNode abstractSyntaxTree = (ProgramNode) astBuilder.visit(parseTree);
-
-        // Printing the AST
-//        System.out.println("-------------------- AST builder -> AST --------------------");
-//        // System.out.println("AST: " + ast.toString());
-//        printAST(abstractSyntaxTree, 0);
-//        System.out.println();
-
-        /*
-         * ------------------------- Semantic Analyzer -> Tast -------------------------
-         */
-        SemanticAnalyzer semanticAnalyzer = new SemanticAnalyzer();
-        ProgramNode typedAst = (ProgramNode) semanticAnalyzer.generateTast(abstractSyntaxTree);
-
-        // Printing the Tast
-        System.out.println("Tast generated");
-
-        /*
-         * ------------------------- Bytecode Generator -> Bytecode
-         * -------------------------
-         */
-        ByteCodeGenerator byteCodeGenerator = new ByteCodeGenerator();
-        //byteCodeGenerator.generateByteCode(abstractSyntaxTree);
-        byteCodeGenerator.visit(typedAst);
-        System.out.println("Bytecode generated");
-
-    }
-
-    /**
-     * This method is used to print the parse tree in a structured format.
-     * It recursively traverses the tree and prints the rule names and text of the
-     * nodes.
-     *
-     * @param tree   The parse tree to be printed.
-     * @param parser The parser used to parse the input. It's used to get the rule
-     *               names.
-     * @param indent The current indentation level. It's used to format the output.
-     */
-    public static void printTree(ParseTree tree, Parser parser, int indent) {
-        // Create an indentation string based on the current indentation level
-        String indentString = " ".repeat(indent * 2);
-
-        // If the tree node is an instance of RuleContext (i.e., it's an internal node),
-        // print the rule name
-        if (tree instanceof RuleContext) {
-            int ruleIndex = ((RuleContext) tree).getRuleIndex();
-            String ruleName = parser.getRuleNames()[ruleIndex];
-            System.out.println(indentString + ruleName);
-        } else {
-            // If the tree node is not an instance of RuleContext (i.e., it's a leaf node),
-            // print the text of the node
-            System.out.println(indentString + tree.getText());
-        }
-
-        // Recursively print the children of the current node, increasing the
-        // indentation level
-        for (int i = 0; i < tree.getChildCount(); i++) {
-            printTree(tree.getChild(i), parser, indent + 1);
-        }
-    }
-
-    public static void printAST(ASTNode node, int indent) {
-        String indentString = " ".repeat(indent * 2);
-        System.out.println(indentString + node.getClass().toString());
-
-        // for (ASTNode child : node.) {
-        // printAST(child, indent + 1);
-        // }
-    }
-
-}

src/main/java/bytecode/ByteCodeGenerator.java

@@ -6,10 +6,16 @@ import bytecode.visitor.ProgramVisitor;
 
 public class ByteCodeGenerator implements ProgramVisitor {
 
+  private final String outputDirectoryPath;
+
+  public ByteCodeGenerator(String outputDirectoryPath) {
+    this.outputDirectoryPath = outputDirectoryPath;
+  }
+
   @Override
   public void visit(ProgramNode programNode) {
     for (ClassNode classDeclarationNode : programNode.classes) {
-      ClassCodeGen classCodeGen = new ClassCodeGen();
+      ClassCodeGen classCodeGen = new ClassCodeGen(outputDirectoryPath);
       classDeclarationNode.accept(classCodeGen);
     }
   }

src/main/java/bytecode/ClassCodeGen.java

@@ -6,7 +6,9 @@ import ast.member.MemberNode;
 import ast.member.MethodNode;
 import ast.type.BaseTypeNode;
 import bytecode.visitor.ClassVisitor;
+
 import java.io.File;
+
 import org.objectweb.asm.ClassWriter;
 import org.objectweb.asm.Opcodes;
 
@@ -17,8 +19,10 @@ import java.io.IOException;
 public class ClassCodeGen implements ClassVisitor {
     private Mapper mapper;
     private ClassWriter classWriter;
+    private final String outputDirectoryPath;
 
-    public ClassCodeGen() {
+    public ClassCodeGen(String outputDirectoryPath) {
+        this.outputDirectoryPath = outputDirectoryPath;
         mapper = new Mapper();
     }
 
@@ -52,13 +56,14 @@ public class ClassCodeGen implements ClassVisitor {
     }
 
     private void printIntoClassFile(byte[] byteCode, String name) {
-        String directoryPath = "src/main/java/classFileOutput";
+        // String outputDirectoryPath = "src/main/resources/output";
-        File directory = new File(directoryPath);
+        // System.out.println("Output directory path: " + outputDirectoryPath);
+        File directory = new File(outputDirectoryPath);
         if (!directory.exists()) {
             directory.mkdirs();
         }
 
-        String filePath = directoryPath + "/" + name + ".class";
+        String filePath = outputDirectoryPath + "/" + name + ".class";
         try {
             FileOutputStream fileOutputStream = new FileOutputStream(filePath);
             fileOutputStream.write(byteCode);

src/main/java/bytecode/visitor/ClassVisitor.java

@@ -6,5 +6,6 @@ import org.objectweb.asm.ClassWriter;
 
 public interface ClassVisitor {
     void visit(ClassNode classNode);
+
     void visit(FieldNode fieldNode);
 }

src/main/java/main/Main.java

@@ -0,0 +1,108 @@
+package main;
+
+import ast.ASTNode;
+import ast.ProgramNode;
+import parser.ASTBuilder;
+import parser.generated.SimpleJavaLexer;
+import parser.generated.SimpleJavaParser;
+import semantic.SemanticAnalyzer;
+import bytecode.ByteCodeGenerator;
+
+import org.antlr.v4.runtime.*;
+import org.antlr.v4.runtime.tree.ParseTree;
+
+import java.io.IOException;
+import java.nio.file.Paths;
+
+
+/**
+ * Start Raupenpiler using make:
+ * <p> <code> cd .\src\test\ </code>
+ * <p> <code> make clean compile-raupenpiler </code>
+ * <p> Start Raupenpiler using jar:
+ * <p> <code> java.exe -jar path_to_jar\JavaCompiler-1.0-SNAPSHOT-jar-with-dependencies.jar 'path_to_input_file.java' 'path_to_output_directory' </code>
+ * <p> Example (jar needs to be in the target directory, compile with make or mvn package first):
+ * <code> java.exe -jar .\target\JavaCompiler-1.0-SNAPSHOT-jar-with-dependencies.jar 'src/main/resources/input/CompilerInput.java' 'src/main/resources/output' </code>
+ */
+public class Main {
+
+
+    public static void main(String[] args) throws Exception {
+        if (args.length == 2) {
+            // args[0] is the input file path
+            // args[1] is the output directory path
+            String inputFilePath = args[0];
+            String outputDirectoryPath = args[1];
+            System.out.println("Compiling file: " + inputFilePath);
+            try {
+                CharStream inputCharStream = CharStreams.fromPath(Paths.get(inputFilePath));
+                compileFile(inputCharStream, outputDirectoryPath);
+            } catch (IOException e) {
+                System.err.println("Error reading the file: " + e.getMessage());
+            }
+        }
+        /*        !!! Else Branch (main ohne args starten) ist nicht zur Verwendung vorgesehen, immer mit args starten !!!
+        else {
+            try {
+                CharStream codeCharStream = CharStreams.fromPath(Paths.get("src/main/resources/input/CompilerInput.java"));
+                compileFile(codeCharStream);
+            } catch (IOException e) {
+                System.err.println("Error reading the file: " + e.getMessage());
+            }
+        }
+        */
+    }
+
+    /**
+     * This method is used to compile a file from a given CharStream and output the bytecode to a specified directory.
+     * It goes through the following steps:
+     * <p>1. Scanner: It uses the SimpleJavaLexer to tokenize the input CharStream.
+     * <p>2. Parser: It uses the SimpleJavaParser to parse the tokens and generate a ParseTree.
+     * <p>3. AST Builder: It uses the ASTBuilder to visit the ParseTree and generate an Abstract Syntax Tree (AST).
+     * <p>4. Semantic Analyzer: It uses the SemanticAnalyzer to generate a typed AST.
+     * <p>5. Bytecode Generator: It uses the ByteCodeGenerator to generate bytecode from the typed AST and output it to the specified directory.
+     *
+     * @param inputCharStream     The CharStream representing the input file to be compiled.
+     * @param outputDirectoryPath The path of the directory where the output bytecode should be written.
+     */
+    static void compileFile(CharStream inputCharStream, String outputDirectoryPath) {
+        // Initialize the logger
+        new RaupenLogger();
+
+        /* ------------------------- Scanner -> tokens ------------------------- */
+        // Use the SimpleJavaLexer to tokenize the input CharStream
+        SimpleJavaLexer lexer = new SimpleJavaLexer(inputCharStream);
+        CommonTokenStream tokenStream = new CommonTokenStream(lexer);
+        tokenStream.fill();
+        // Log the tokens
+        RaupenLogger.logScanner(tokenStream);
+
+        /*------------------------- Parser -> Parsetree -------------------------*/
+        // Use the SimpleJavaParser to parse the tokens and generate a ParseTree
+        SimpleJavaParser parser = new SimpleJavaParser(tokenStream);
+        ParseTree parseTree = parser.program(); // parse the input
+        // Log the ParseTree
+        RaupenLogger.logParser(parseTree, parser);
+
+        /*------------------------- AST builder -> AST -------------------------*/
+        // Use the ASTBuilder to visit the ParseTree and generate an Abstract Syntax Tree (AST)
+        ASTBuilder astBuilder = new ASTBuilder();
+        ASTNode abstractSyntaxTree = astBuilder.visit(parseTree);
+        // Log the AST
+        RaupenLogger.logAST(abstractSyntaxTree);
+
+        /*------------------------- Semantic Analyzer -> typed AST -------------------------*/
+        // Use the SemanticAnalyzer to generate a typed AST
+        ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
+        // Log the typed AST
+        RaupenLogger.logSemanticAnalyzer(typedAst);
+
+        /*------------------------- Bytecode Generator -> Bytecode -------------------------*/
+        // Use the ByteCodeGenerator to generate bytecode from the typed AST and output it to the specified directory
+        ByteCodeGenerator byteCodeGenerator = new ByteCodeGenerator(outputDirectoryPath);
+        assert typedAst != null;
+        byteCodeGenerator.visit((ProgramNode) typedAst);
+        // Log the bytecode generation
+        RaupenLogger.logBytecodeGenerator();
+    }
+}

src/main/java/main/RaupenLogger.java

@@ -0,0 +1,180 @@
+package main;
+
+import ast.ASTNode;
+import org.antlr.v4.runtime.CommonTokenStream;
+import org.antlr.v4.runtime.Parser;
+import org.antlr.v4.runtime.RuleContext;
+import org.antlr.v4.runtime.Token;
+import org.antlr.v4.runtime.tree.ParseTree;
+import parser.generated.SimpleJavaLexer;
+import parser.generated.SimpleJavaParser;
+
+import java.io.IOException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.List;
+import java.util.logging.*;
+
+/**
+ Beispiel für Logging-Arten:
+ <p><code>logger.severe("Schwerwiegender Fehler");</code>
+ <p><code>logger.warning("Warnung");</code>
+ <p><code>logger.info("Information");</code>
+ <p><code>logger.config("Konfigurationshinweis");</code>
+ <p><code>logger.fine("Fein");</code>
+ <p><code>logger.finer("Feiner");</code>
+ <p><code>logger.finest("Am feinsten");</code>
+ <p>You may toggle the logging level of the console and file handlers by
+ changing the level ALL/OFF/etc. in the constructor.
+ <code>consoleHandler.setLevel(Level.OFF);</code>
+ <code>fileHandler.setLevel(Level.ALL);</code>
+ */
+public class RaupenLogger {
+
+    static Logger logger = Logger.getLogger("RaupenLogs");
+
+    public RaupenLogger() {
+        // ------------------------- Logging -------------------------
+        logger.setLevel(Level.ALL);
+        logger.getParent().getHandlers()[0].setLevel(Level.ALL);
+        logger.setUseParentHandlers(false);
+
+        // Custom formatter class
+        class CustomFormatter extends Formatter {
+            private final SimpleDateFormat dateFormat = new SimpleDateFormat("HH:mm:ss dd-MM-yyyy");
+
+            @Override
+            public String format(LogRecord record) {
+                return formatMessage(record) + System.lineSeparator();
+            }
+
+            @Override
+            public String getHead(Handler h) {
+                Date now = new Date();
+                String dateTime = dateFormat.format(now);
+                return "Log Start Time: " + dateTime + "\n"
+                        + "Logger Name: " + h.getFormatter().getClass().getName() + "\n\n";
+            }
+        }
+
+        try {
+            // Configure console handler
+            Handler consoleHandler = new ConsoleHandler();
+            // Toggle console logging on/off
+            consoleHandler.setLevel(Level.OFF);
+            consoleHandler.setFormatter(new CustomFormatter());
+            logger.addHandler(consoleHandler);
+
+            // Configure file handler
+            Handler fileHandler = new FileHandler("src/main/resources/logs/RaupenLog.log");
+            // Toggle file logging on/off
+            fileHandler.setLevel(Level.ALL);
+            fileHandler.setFormatter(new CustomFormatter());
+            logger.addHandler(fileHandler);
+
+        } catch (SecurityException | IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public static void logScanner(CommonTokenStream tokenStream) {
+        // Printing the tokens
+        logger.info("-------------------- Scanner -> Tokens --------------------");
+        List<Token> tokens = tokenStream.getTokens();
+        for (Token token : tokens) {
+            String tokenType =
+                    SimpleJavaLexer.VOCABULARY.getSymbolicName(token.getType());
+            String tokenText = token.getText();
+            // logger.info("Token Type: " + tokenType + ", Token Text: " + tokenText);
+            logger.info(tokenType + " " + tokenText);
+        }
+        logger.info("\n");
+    }
+
+    public static void logParser(ParseTree parseTree, SimpleJavaParser parser) {
+        // Printing the parse tree
+        logger.info("-------------------- Parser -> Parsetree  --------------------");
+        logger.info(parseTree.toStringTree(parser)); //one line representation
+        logTree(parseTree, parser, 0);
+        logger.info("\n");
+    }
+
+    public static void logAST(ASTNode abstractSyntaxTree) {
+        // Printing the AST
+        logger.info("-------------------- AST builder -> AST  --------------------");
+        // logger.info("AST: " + ast.toString());
+        logAST(abstractSyntaxTree, 0);
+        logger.info("\n");
+    }
+
+    public static void logSemanticAnalyzer(ASTNode typedAst) {
+        // Printing the typed AST
+        logger.info("-------------------- Semantic Analyzer -> typed AST  --------------------");
+        logAST(typedAst, 0);
+        logger.info("\n");
+    }
+
+    public static void logBytecodeGenerator() {
+        // Printing the bytecode
+        logger.info("-------------------- Bytecode Generator -> Bytecode  --------------------");
+        logger.info("Bytecode generated");
+        logger.info("\n");
+    }
+
+
+
+
+
+
+
+
+
+    /* ------------------------- Printing methods ------------------------- */
+
+    /**
+     * This method is used to print the parse tree in a structured format.
+     * It recursively traverses the tree and prints the rule names and text of the
+     * nodes.
+     *
+     * @param tree   The parse tree to be printed.
+     * @param parser The parser used to parse the input. It's used to get the rule
+     *               names.
+     * @param indent The current indentation level. It's used to format the output.
+     */
+    public static void logTree(ParseTree tree, Parser parser, int indent) {
+        // Create an indentation string based on the current indentation level
+        String indentString = " ".repeat(indent * 2);
+
+        // If the tree node is an instance of RuleContext (i.e., it's an internal node),
+        // print the rule name
+        if (tree instanceof RuleContext) {
+            int ruleIndex = ((RuleContext) tree).getRuleIndex();
+            String ruleName = parser.getRuleNames()[ruleIndex];
+            logger.info(indentString + ruleName);
+        } else {
+            // If the tree node is not an instance of RuleContext (i.e., it's a leaf node),
+            // print the text of the node
+            logger.info(indentString + tree.getText());
+        }
+
+        // Recursively print the children of the current node, increasing the
+        // indentation level
+        for (int i = 0; i < tree.getChildCount(); i++) {
+            logTree(tree.getChild(i), parser, indent + 1);
+        }
+    }
+
+    // TODO: Fix this method
+    public static void logAST(ASTNode abstractSyntaxTree, int indent) {
+        if (abstractSyntaxTree == null) {
+            logger.severe("AST is null !!!");
+            return;
+        }
+        String indentString = " ".repeat(indent * 2);
+        logger.info(indentString + abstractSyntaxTree.getClass());
+
+        // for (ASTNode child : node.) {
+        // printAST(child, indent + 1);
+        // }
+    }
+}

src/main/resources/CompilerInput.java

@@ -1,18 +0,0 @@
-public class Example {
-
-    public int a;
-
-    public static int testMethod(char x){
-
-    }
-
-}
-
-public class Test {
-
-    public static int testMethod(char x, int a){
-
-
-
-    }
-}

src/main/resources/input/CompilerInput.java

@@ -0,0 +1,16 @@
+public class CompilerInput {
+
+    public int a;
+
+    public static int testMethod(char x){
+        return 0;
+    }
+
+    public class Test {
+
+        public static int testMethod(char x, int a){
+            return 0;
+        }
+    }
+}
+

src/main/test/java/Tester.java

@@ -1,11 +0,0 @@
-public class Tester {
-    public static void main(String[] args) {
-       new EmptyClassExample();
-       // cp mitgeben
-    }
-}
-// java -jar pfadtocompiler.jar EmptyClass.java
-//mit bash scipt ode rmakefile test automatisieren
-//mvn package
-// javac tester // tester compilen
-// java tester // tester ausführen

src/test/Makefile

@@ -0,0 +1,29 @@
+# Makefile
+### IntelliJs play buttons do not work. Run in "src/test" folder with "make" command to run all
+### Or run only parts with "make compile-javac", "make clean" etc.
+
+all: compile-javac compile-raupenpiler
+
+compile-javac:
+	javac -d .\resources\output\javac .\resources\input\CompilerInput.java
+
+compile-raupenpiler:
+	cd ../.. ; mvn -DskipTests install
+	cd ../.. ; mvn exec:java -Dexec.mainClass="main.Main"  -Dexec.args="'src/main/resources/input/CompilerInput.java' 'src/main/resources/output' "
+
+test: test-javac test-raupenpiler
+
+test-javac:
+	#compile-javac
+	#java -cp .\resources\output\javac CompilerInput
+
+test-raupenpiler:
+	#java -cp .\resources\output\raupenpiler CompilerInput
+
+clean:
+	rm -f ./resources/output/javac/*.class
+	rm -f ./resources/output/raupenpiler/*.class
+	rm -f ./java/*.class
+	rm -f ../main/resources/output/*.class
+	rm -f ../main/resources/logs/*.log
+

src/test/TestSpecs.md

@@ -1,5 +1,7 @@
 # Scanner
+
 ## Scanner Input
+
 ### Beispiel 1: Empty Class
 
     String empty class = "public class Name {}";
@@ -15,6 +17,9 @@
             "}"
 
 ## Scanner Output
+
+CommonTokenStream
+
 ### Beispiel 1: Empty Class
 
 Token Type; Token Text
@@ -25,54 +30,63 @@ Type gibts nur bei Terminalen, Text bei allen
     Bsp von Ihm mal:
     [TokPublic,TokClass,TokIdentifier "Name",TokLeftBrace,TokRightBrace]
 
-### Beispiel 2: Filled Class
-
-    [TokClass,TokIdentifier "javaFileInput.Example",TokLeftBrace]
-    [TokIf,TokLeftParen,TokIdentifier "x",TokLessThan,TokNumber 5,TokRightParen,TokLeftBrace]
-    [TokFor,TokLeftParen,TokIdentifier "int",TokIdentifier "i",TokAssign,TokNumber 0,TokSemicolon,TokIdentifier "i",TokLessThan,TokNumber 10,TokSemicolon,TokIdentifier "i",TokPlus,TokPlus,TokRightParen,TokLeftBrace]
-    [TokWhile,TokLeftParen,TokIdentifier "true",TokRightParen,TokLeftBrace]
-    [TokIdentifier "x",TokAssign,TokNumber 5,TokSemicolon]
-    [TokRightBrace]
-
 # Parser
+
 ## Parser Input
+
+CommonTokenStream
 (Scanner Output)
 
 ## Parser Output (AST)
+
+(program (classDeclaration (accessType public) class Name { }))
+
+ParseTree
+
 ### Beispiel 1: Empty Class
 
-    
-
-### Beispiel 2: Filled Class
-
-    
-
 # Semantische Analyse / Typcheck
+
 ## Typcheck Input
+
 (Parser Output = AST)
 
 ## Typcheck Output
 
 ### Beispiel 1: Empty Class
 
-
-
-### Beispiel 2: Filled Class
-
-
 # Bytecodegenerierung
+
 ## Bytecodegenerierung Input
+
 (Typcheck Output = vom Typcheck eventuell manipulierter AST)
 
 ## Bytecodegenerierung Output
 
 ### Beispiel 1: Empty Class
+
 Compiled Classfile
 
     public class javaFileInput.Example {
     }
 
+## E2E Tests:
 
+- Testdatei mit Main ausführen/kompilieren
+- Testdatei mit "javac -d output .\CompilerInput.java" kompilieren
+- -> Dateien mit javap vergleichen
 
-### Beispiel 2: Filled Class
+wenn beides erfolgreich
 
+- Ergebnis vom eigenen Compiler mithilfe von main.TestCompilerOutput ausführen
+- (Ergebnis von javac mithilfe von main.TestCompilerOutput ausführen)
+
+### Andis Tipps:
+
+- cp mitgeben
+- makefile
+- java -jar pfadtocompiler.jar EmptyClass.java
+- mvn package
+- javac tester // tester compilen
+- java tester // tester ausführen
+- -> tester ist in unserem Fall main.TestCompilerOutput.java

src/test/java/main/EmptyClassExample.java

@@ -1,3 +1,5 @@
+package main;
+
 public class EmptyClassExample {
     private class Inner {
     }

src/test/java/main/FailureTest.java

@@ -1,3 +1,5 @@
+package main;
+
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
@@ -15,17 +17,17 @@ import java.util.List;
 
 public class FailureTest {
     private static final List<String> TEST_FILES = Arrays.asList(
-            "src/main/test/resources/failureTests/TestClass1.java",
+            "src/main/test/resources/input/failureTests/TestClass1.java",
-            "src/main/test/resources/failureTests/TestClass2.java",
+            "src/main/test/resources/input/failureTests/TestClass2.java",
-            "src/main/test/resources/failureTests/TestClass3.java",
+            "src/main/test/resources/input/failureTests/TestClass3.java",
-            "src/main/test/resources/failureTests/TestClass4.java",
+            "src/main/test/resources/input/failureTests/TestClass4.java",
-            "src/main/test/resources/failureTests/TestClass5.java",
+            "src/main/test/resources/input/failureTests/TestClass5.java",
-            "src/main/test/resources/failureTests/TestClass6.java",
+            "src/main/test/resources/input/failureTests/TestClass6.java",
-            "src/main/test/resources/failureTests/TestClass7.java",
+            "src/main/test/resources/input/failureTests/TestClass7.java",
-            "src/main/test/resources/failureTests/TestClass8.java",
+            "src/main/test/resources/input/failureTests/TestClass8.java",
-            "src/main/test/resources/failureTests/TestClass9.java",
+            "src/main/test/resources/input/failureTests/TestClass9.java",
-            "src/main/test/resources/failureTests/TestClass10.java",
+            "src/main/test/resources/input/failureTests/TestClass10.java",
-            "src/main/test/resources/failureTests/TestClass11.java"
+            "src/main/test/resources/input/failureTests/TestClass11.java"
     );
 
     /**
@@ -62,8 +64,8 @@ public class FailureTest {
     void typedASTTest() throws IOException {
         CharStream codeCharStream = null;
         try {
-            codeCharStream = CharStreams.fromPath(Paths.get("src/main/test/resources/EmptyClassExample.java"));
+            codeCharStream = CharStreams.fromPath(Paths.get("src/main/test/resources/main/EmptyClassExample.java"));
-            Main.parsefile(codeCharStream);
+            Main.compileFile(codeCharStream, "src/main/test/resources/output");
         } catch (IOException e) {
             System.err.println("Error reading the file: " + e.getMessage());
         }

src/test/java/main/MainTest.java

@@ -1,12 +1,8 @@
+package main;
+
 import org.junit.jupiter.api.Test;
 import org.antlr.v4.runtime.CharStream;
 import org.antlr.v4.runtime.CharStreams;
-import org.antlr.v4.runtime.CommonTokenStream;
-import org.antlr.v4.runtime.tree.ParseTree;
-import parser.ASTBuilder;
-import ast.ClassNode;
-import ast.ProgramNode;
-import bytecode.ByteCodeGenerator;
 
 import java.io.IOException;
 import java.nio.file.Paths;
@@ -21,8 +17,8 @@ public class MainTest {
     void testEmptyClass() {
         CharStream codeCharStream = null;
         try {
-            codeCharStream = CharStreams.fromPath(Paths.get("src/main/test/resources/EmptyClassExample.java"));
+            codeCharStream = CharStreams.fromPath(Paths.get("src/main/test/resources/CompilerInput.java"));
-            Main.parsefile(codeCharStream);
+            Main.compileFile(codeCharStream, "src/main/test/resources/output");
         } catch (IOException e) {
             System.err.println("Error reading the file: " + e.getMessage());
         }

src/test/java/main/TestCompilerOutput.java

@@ -0,0 +1,45 @@
+package main;
+
+/**
+ * This class is used to test the output of the compiler.
+ *
+ * <p>Im gleichen Ordner wie diese Datei (main.TestCompilerOutput.java) muss die selbst kompilierte CompilerInput.class Datei sein.
+ * <br><strong>Hinweis:</strong> Diese muss man also vom Ordner <code> main/resources/output </code> in diesen Ordner hier (test/java) rein kopieren. (bis es eine bessere Lösung gibt)</p>
+ *
+ * <p>Die selbst kompilierte .class Datei wird dann hier drin geladen und eine Instanz von ihr erstellt, es können auch Methoden aufgerufen werden.
+ * <p>Diese main.TestCompilerOutput.java Datei wird dann in <code> \src\test\java> </code>  mit <code>javac .\main.TestCompilerOutput.java</code> kompiliert und mit <code>java main.TestCompilerOutput</code> ausgeführt.
+ * Wenn unser Compiler funktioniert, sollten keine Errors kommen (sondern nur die Ausgaben, die wir in der CompilerInput.java Datei gemacht haben,
+ * oder Methoden, die wir hier aufrufen).</p>
+ *
+ * <p><strong>PROBLEM:</strong> Hier kommen Errors, was eigentlich heißt, dass der Compiler nicht funktioniert, der Test sollte eigentlich passen.
+ * <br><strong>DENN:</strong> Wenn ich statt unserem CompilerInput.class die CompilerInput.class von javac verwende (aus  <code> src/test/resources/output/javac </code>), dann funktioniert es.</p>
+ */
+public class TestCompilerOutput {
+    public static void main(String[] args) {
+        try {
+            // Try to load the class named "CompilerInput"
+            Class<?> cls = Class.forName("CompilerInput");
+            // Print a success message if the class is loaded successfully
+            System.out.println("Class loaded successfully: " + cls.getName());
+
+            // Try to create an instance of the loaded class
+            Object instance = cls.getDeclaredConstructor().newInstance();
+            // Print a success message if the instance is created successfully
+            System.out.println("Instance created: " + instance);
+
+
+            // If the class has a main method, you can invoke it
+            // cls.getMethod("main", String[].class).invoke(null, (Object) new String[]{});
+
+            // If the class has other methods, you can invoke them as well
+            // Example: cls.getMethod("someMethod").invoke(instance);
+
+        } catch (ClassNotFoundException e) {
+            // Print an error message if the class is not found
+            System.err.println("Class not found: " + e.getMessage());
+        } catch (Exception e) {
+            // Print an error message if any other exception occurs during class loading or instance creation
+            System.err.println("Error during class loading or execution: " + e.getMessage());
+        }
+    }
+}

src/test/java/parser/ParserTest.java

@@ -0,0 +1,184 @@
+package parser;
+
+import org.antlr.v4.runtime.*;
+import org.antlr.v4.runtime.tree.ParseTree;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import parser.generated.SimpleJavaLexer;
+import parser.generated.SimpleJavaParser;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import java.util.*;
+
+public class ParserTest {
+    @BeforeEach
+    public void init() { // noch nicht benötigt
+        String inputFilePath = "src/main/resources/input/CompilerInput.java";
+        String outputDirectoryPath = "src/main/resources/output";
+    }
+
+    /**
+     * This test method is used to test the scanner functionality of the SimpleJavaLexer.
+     * It creates a CharStream from a string representing a simple Java class declaration,
+     * and uses the SimpleJavaLexer to tokenize this input.
+     * It then compares the actual tokens and their types produced by the lexer to the expected tokens and their types.
+     */
+    @Test
+    public void scannerTest() {
+        // Create a CharStream from a string representing a simple Java class declaration
+        CharStream inputCharStream = CharStreams.fromString("public class Name {}");
+
+        // Use the SimpleJavaLexer to tokenize the input
+        SimpleJavaLexer lexer = new SimpleJavaLexer(inputCharStream);
+        CommonTokenStream tokenStream = new CommonTokenStream(lexer);
+        tokenStream.fill();
+
+        // Prepare the expected results
+        List<Token> actualTokens = tokenStream.getTokens();
+        List<String> expectedTokens = Arrays.asList("public", "class", "Name", "{", "}", "<EOF>");
+        List<String> expectedTokenTypes = Arrays.asList(null, null, "IDENTIFIER", null, null, "EOF");
+
+        // Compare the actual tokens and their types to the expected tokens and their types
+        assertEquals(expectedTokens.size(), actualTokens.size());
+        for (int i = 0; i < expectedTokens.size(); i++) {
+            assertEquals(expectedTokens.get(i), actualTokens.get(i).getText());
+            assertEquals(expectedTokenTypes.get(i), SimpleJavaLexer.VOCABULARY.getSymbolicName(actualTokens.get(i).getType()));
+        }
+    }
+
+
+    @Test
+    public void parserTest() {
+        // init
+        CharStream inputCharStream = CharStreams.fromString("public class Name {}");
+        SimpleJavaLexer lexer = new SimpleJavaLexer(inputCharStream);
+        CommonTokenStream tokenStream = new CommonTokenStream(lexer);
+        tokenStream.fill();
+
+
+        /* Parser -> Parsetree */
+        SimpleJavaParser parser = new SimpleJavaParser(tokenStream);
+        ParseTree parseTree = parser.program(); // parse the input
+
+        //Variante 1 (geht)
+        String actualParseTreeAsString = parseTree.toStringTree(parser);
+        String expectedParseTreeAsString = "(program (classDeclaration (accessType public) class Name { }))";
+
+        assertEquals(actualParseTreeAsString, expectedParseTreeAsString);
+
+        //Variante 2 (geht nicht)
+        // - Sollte es gehen und es liegt am Parser? (keine Ahnung)  -> Bitte Fehler (actual und expected) durchlesen
+        Map<String, Object> actualTreeStructure = buildTreeStructure(parseTree, parser);
+        Map<String, Object> expectedTreeStructure = parseStringToTree(expectedParseTreeAsString);
+
+        assertEquals(actualTreeStructure, expectedTreeStructure);
+
+
+    }
+
+    @Test
+    public void astBuilderTest() {
+        // TODO: Implement this test method
+
+
+
+
+        /* AST builder -> AST */
+        ASTBuilder astBuilder = new ASTBuilder();
+        //   ProgramNode abstractSyntaxTree = (ProgramNode) astBuilder.visit(parseTree);
+
+        //String actualASTasString = new ASTBuilder().visit(parseTree).toString();
+
+        // ProgramNode actualAST = new ASTBuilder().visit(parseTree);
+        // ProgramNode expectedAST = new ProgramNode();
+        // expectedAST.add(new ProgramNode.ClassNode("Name", new ProgramNode()));
+    }
+
+
+    // Helpers Variante 2.1
+
+    public static Map<String, Object> buildTreeStructure(ParseTree tree, Parser parser) {
+        return buildTree(tree, parser, 0);
+    }
+
+    private static Map<String, Object> buildTree(ParseTree tree, Parser parser, int indent) {
+        Map<String, Object> node = new HashMap<>();
+
+        if (tree instanceof RuleContext) {
+            int ruleIndex = ((RuleContext) tree).getRuleIndex();
+            String ruleName = parser.getRuleNames()[ruleIndex];
+            node.put("rule", ruleName);
+        } else {
+            node.put("text", tree.getText());
+        }
+
+        List<Map<String, Object>> children = new ArrayList<>();
+        for (int i = 0; i < tree.getChildCount(); i++) {
+            children.add(buildTree(tree.getChild(i), parser, indent + 1));
+        }
+
+        if (!children.isEmpty()) {
+            node.put("children", children);
+        }
+
+        return node;
+    }
+
+    // Helpers Variante 2.2
+
+    public static Map<String, Object> parseStringToTree(String input) {
+        input = input.trim();
+        if (input.startsWith("(") && input.endsWith(")")) {
+            input = input.substring(1, input.length() - 1).trim();
+        }
+        return parse(input);
+    }
+
+    private static Map<String, Object> parse(String input) {
+        Map<String, Object> node = new HashMap<>();
+        StringBuilder currentToken = new StringBuilder();
+        List<Map<String, Object>> children = new ArrayList<>();
+
+        int depth = 0;
+        boolean inToken = false;
+        for (char ch : input.toCharArray()) {
+            if (ch == '(') {
+                if (depth == 0) {
+                    if (currentToken.length() > 0) {
+                        node.put("node", currentToken.toString().trim());
+                        currentToken.setLength(0);
+                    }
+                } else {
+                    currentToken.append(ch);
+                }
+                depth++;
+            } else if (ch == ')') {
+                depth--;
+                if (depth == 0) {
+                    children.add(parse(currentToken.toString().trim()));
+                    currentToken.setLength(0);
+                } else {
+                    currentToken.append(ch);
+                }
+            } else if (Character.isWhitespace(ch) && depth == 0) {
+                if (currentToken.length() > 0) {
+                    node.put("node", currentToken.toString().trim());
+                    currentToken.setLength(0);
+                }
+            } else {
+                currentToken.append(ch);
+            }
+        }
+
+        if (currentToken.length() > 0) {
+            node.put("node", currentToken.toString().trim());
+        }
+
+        if (!children.isEmpty()) {
+            node.put("children", children);
+        }
+
+        return node;
+    }
+}

src/test/java/semantic/SemanticTest.java

@@ -1,6 +1,5 @@
 package semantic;
 
-
 import ast.*;
 import ast.expression.BinaryExpressionNode;
 import ast.expression.ExpressionNode;
@@ -20,11 +19,10 @@ import ast.type.EnumTypeNode;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import semantic.exeptions.AlreadyDeclearedException;
-
 import java.util.ArrayList;
 import java.util.List;
 
-import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.*;
 
 public class SemanticTest {
 
@@ -35,9 +33,8 @@ public class SemanticTest {
 
     @Test
     public void alreadyDeclaredLocalFieldVar() {
-
         ProgramNode programNode = new ProgramNode();
-        List<ClassNode> classList = new ArrayList<ClassNode>();
+        List<ClassNode> classList = new ArrayList<>();
         AccessTypeNode accessTypeNode = new AccessTypeNode(EnumAccessTypeNode.PUBLIC);
         ClassNode classNode = new ClassNode(accessTypeNode, "testClass");
 
@@ -53,16 +50,14 @@ public class SemanticTest {
         ASTNode typedAst = SemanticAnalyzer.generateTast(programNode);
 
         assertEquals(1, SemanticAnalyzer.errors.size());
-        assertEquals(true, SemanticAnalyzer.errors.get(0) instanceof AlreadyDeclearedException);
+        assertInstanceOf(AlreadyDeclearedException.class, SemanticAnalyzer.errors.getFirst());
-        assertEquals(null, typedAst);
+        assertNull(typedAst);
-
     }
 
     @Test
     public void shouldWorkWithNoError() {
-
         ProgramNode programNode = new ProgramNode();
-        List<ClassNode> classList = new ArrayList<ClassNode>();
+        List<ClassNode> classList = new ArrayList<>();
         AccessTypeNode accessTypeNode = new AccessTypeNode(EnumAccessTypeNode.PUBLIC);
         ClassNode classNode = new ClassNode(accessTypeNode, "testClass");
 
@@ -72,26 +67,7 @@ public class SemanticTest {
         MemberNode memberNode2 = new FieldNode(accessTypeNode, new BaseTypeNode(EnumTypeNode.INT), "testVar2");
         classNode.members.add(memberNode2);
 
-        List<ParameterNode> parameterNodeList = new ArrayList<ParameterNode>();
+        MemberNode memberNode3 = getMemberNode(accessTypeNode);
-        ParameterNode parameterNode1 = new ParameterNode(new BaseTypeNode(EnumTypeNode.INT), "param1");
-        parameterNodeList.add(parameterNode1);
-        ParameterListNode parameterListNode = new ParameterListNode(parameterNodeList);
-
-        List<StatementNode> statementNodeList = new ArrayList<StatementNode>();
-
-        ExpressionNode expressionNodeObjectVariableLeft = new IdentifierExpressionNode("this");
-        ExpressionNode expressionNodeObjectVariableRight = new IdentifierExpressionNode("objectVar");
-
-        ExpressionNode expressionNodeLeft = new BinaryExpressionNode(expressionNodeObjectVariableLeft, expressionNodeObjectVariableRight, ExpresssionOperator.DOT);
-
-        ExpressionNode expressionNodeRight = new LiteralNode(1);
-
-        BinaryExpressionNode expressionNode = new BinaryExpressionNode(expressionNodeLeft, expressionNodeRight, ExpresssionOperator.ASSIGNMENT);
-
-        StatementNode statementNode1 = new AssignmentStatementNode(expressionNode);
-        statementNodeList.add(statementNode1);
-
-        MemberNode memberNode3 = new MethodNode(accessTypeNode, new BaseTypeNode(EnumTypeNode.INT), "testVar2",parameterListNode, statementNodeList );
         classNode.members.add(memberNode3);
 
         classList.add(classNode);
@@ -101,7 +77,53 @@ public class SemanticTest {
 
         assertEquals(0, SemanticAnalyzer.errors.size());
         assertEquals(programNode, typedAst);
-
     }
 
+    /**
+ * This method is used to create a MemberNode representing a method.
+ * It first creates a list of ParameterNodes and adds a ParameterNode to it.
+ * Then, it creates a ParameterListNode using the list of ParameterNodes.
+ * After that, it creates a list of StatementNodes and adds a StatementNode to it by calling the getStatementNode method.
+ * Finally, it creates a MethodNode using the provided AccessTypeNode, a BaseTypeNode representing the return type of the method,
+ * the method name, the ParameterListNode, and the list of StatementNodes, and returns this MethodNode.
+ *
+ * @param accessTypeNode The AccessTypeNode representing the access type of the method.
+ * @return The created MemberNode representing the method.
+ */
+private static MemberNode getMemberNode(AccessTypeNode accessTypeNode) {
+    List<ParameterNode> parameterNodeList = new ArrayList<>();
+    ParameterNode parameterNode1 = new ParameterNode(new BaseTypeNode(EnumTypeNode.INT), "param1");
+    parameterNodeList.add(parameterNode1);
+    ParameterListNode parameterListNode = new ParameterListNode(parameterNodeList);
+
+    List<StatementNode> statementNodeList = new ArrayList<>();
+
+    StatementNode statementNode1 = getStatementNode();
+    statementNodeList.add(statementNode1);
+
+    return new MethodNode(accessTypeNode, new BaseTypeNode(EnumTypeNode.INT), "testVar2", parameterListNode, statementNodeList);
+}
+
+    /**
+ * This method is used to create a StatementNode for an assignment operation.
+ * It first creates two IdentifierExpressionNodes for 'this' and 'objectVar'.
+ * Then, it creates a BinaryExpressionNode to represent the operation 'this.objectVar'.
+ * After that, it creates a LiteralNode to represent the integer value 1.
+ * Finally, it creates another BinaryExpressionNode to represent the assignment operation 'this.objectVar = 1',
+ * and wraps this expression in an AssignmentStatementNode.
+ *
+ * @return The created AssignmentStatementNode representing the assignment operation 'this.objectVar = 1'.
+ */
+private static StatementNode getStatementNode() {
+    ExpressionNode expressionNodeObjectVariableLeft = new IdentifierExpressionNode("this");
+    ExpressionNode expressionNodeObjectVariableRight = new IdentifierExpressionNode("objectVar");
+
+    ExpressionNode expressionNodeLeft = new BinaryExpressionNode(expressionNodeObjectVariableLeft, expressionNodeObjectVariableRight, ExpresssionOperator.DOT);
+
+    ExpressionNode expressionNodeRight = new LiteralNode(1);
+
+    BinaryExpressionNode expressionNode = new BinaryExpressionNode(expressionNodeLeft, expressionNodeRight, ExpresssionOperator.ASSIGNMENT);
+
+    return new AssignmentStatementNode(expressionNode);
+}
 }

src/test/resources/input/CompilerInput.java

@@ -0,0 +1,16 @@
+public class CompilerInput {
+
+    public int a;
+
+    public static int testMethod(char x){
+        return 0;
+    }
+
+    public class Test {
+
+        public static int testMethod(char x, int a){
+            return 0;
+        }
+    }
+}
+