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Lucas 2024-07-04 15:22:05 +02:00
parent 34bb86c7f4
commit f29be4fd8c
9 changed files with 2711 additions and 246 deletions

35
pom.xml
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@ -23,6 +23,24 @@
<version>5.11.0-M2</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.platform</groupId>
<artifactId>junit-platform-suite-engine</artifactId>
<version>1.11.0-M2</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-api</artifactId>
<version>5.11.0-M2</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.13.1</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.antlr</groupId>
<artifactId>antlr4-runtime</artifactId>
@ -44,18 +62,6 @@
<version>3.26.0</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-api</artifactId>
<version>5.11.0-M2</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-core</artifactId>
<version>5.11.0</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
@ -65,6 +71,11 @@
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>3.0.0-M5</version> <!-- Change the version as needed -->
<configuration>
<includes>
<include>**/*Test.java</include>
</includes>
</configuration>
</plugin>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>

68
readme.md Normal file
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@ -0,0 +1,68 @@
# "Nicht Haskel 2.0" Java Compiler
Realisation of a subset of the Java Standard Compiler in the course Compiler Construction of the 4th semester Computer Science at the Duale Hochschule Suttgart (Horb).
This project aims to provide a simplified version of the Java compiler, focusing on key language features and demonstrating the principles of compiler construction.
## Realised Java syntax
- **Data types**: `int`, `boolean`, `char`
- **Access modifier**: `public`, `protected`, `private`
- **Operators**: `=` `+` `-` `*` `%` `/` `>` `<` `>=` `<=` `==` `!=` `!` `&&` `||` `++` `--`
- **Keywords**: `class`, `this`, `while`, `do`, `if`, `else`, `for`, `return`, `new`, `switch`, `case`, `break`, `default`, `:`
- **Statements**:
- `if` ... `if else` ... `else`;
- `while` ... ;
- `do` ... `while`;
- `for`;
- `switch` ... `case` ... ;
- **Comments**:
- Single line: `// comment`
- Multi-line: `/* comment */`
- **Further functions**:
- All methods are overloadable
- High maintainability and expandability through implementation of the visitor pattern
- Logging Input and Outputs
- Error Handling in the Semantic Check
## Project Structure
```plain
src/
└── main/
├── java/
│ ├── ast/ -> Defining the structure of the AST
│ ├── bytecode/ -> Generate Java bytecode
│ ├── main/ -> Running the compiler
│ ├── parser/
│ │ ├── astBuilder/ -> Builder creating the AST
│ │ ├── generated/ -> Antlr generated grammar
│ │ └── grammar/ -> Antlr grammar
│ ├── semantic/ -> Running the semantic check
│ └── visitor/ -> Visitor interface
└── resources/
test/
└── java/
│ ├── main/ -> MainTest, E2ETests, UtilityTests
│ ├── parser/ -> Performs tests on the parser
│ └── semantic/ -> Performs tests on the semantic check
└── resources/ -> Ressources for running the Tests
```
## Class-Diagramm AST
![AST Diagramm](ast.png)
## Used Tools
- [Maven 4.0](https://maven.apache.org/index.html)
- Used for automating the build process and managing dependencies.
- [ANTLR4 v.13.1](https://www.antlr.org/)
- Used to parse the input Java code into the Abstract Syntax Tree.
## How to run the compiler
## Download
```bash

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@ -8,7 +8,6 @@ public class Node {
public void main() {
Compiler compiler = new Compiler();
int i = compiler.add(5, 8);
return i;
}
}

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@ -10,13 +10,7 @@ compile-javac:
compile-raupenpiler:
cd ../.. ; mvn -DskipTests install
cd ../.. ; mvn exec:java -DgenJar=true -DgenClass=true -Dexec.mainClass="main.Main" -Dexec.args="'src/main/resources/input/CompilerInput.java' 'src/main/resources/output'"
cp ../main/resources/output/CompilerInput.class .java/resources/output/raupenpiler
test: compile-javac compile-raupenpiler test-javac test-raupenpiler
test-javac:
# gleich wie bei raupenpiler, kann ich ohne funktionierenden Compiler nicht testen
# cp ../main/resources/output/CompilerInput.class .java/resources/output/raupenpiler
test-raupenpiler:
# move the compiled class to the test/main folder
@ -29,17 +23,19 @@ test-raupenpiler:
clean:
# clean output folders
# clean main output folders
rm -f ../main/resources/output/*.class
rm -f ../main/resources/output/*.jar
# clean resources output folders
rm -f ./resources/output/javac/*.class
rm -f ./resources/output/raupenpiler/*.class
rm -f ./resources/output/raupenpiler/*.jar
# clean logs
rm -f ../main/resources/logs/*.log
rm -f ../main/resources/logs/*
# clean test/java/main folders from .class files for End-to-End tests
rm -f ./java/main/*.class
# clean javac output from combinedFeatureTests
rm -f ./resources/input/combinedFeatureTests/*.class
rm -f ./resources/input/singleFeatureTests/*.class
rm -f ./resources/input/typedAstFeatureTests/*.class
# clean javac output from every folder
rm -f ./resources/input/*/*.class
# clean test results from maven surefire plugin
rm -f ../../target/surefire-reports/*.txt

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@ -1,5 +1,6 @@
package main;
import org.junit.jupiter.api.Disabled;
import org.junit.jupiter.api.Test;
import javax.tools.JavaCompiler;
@ -26,13 +27,17 @@ public class InputFilesTest {
// Assert that the compiler is available
assertNotNull(javac, "Java Compiler is not available");
File folder1 = new File("src/test/resources/input/combinedFeatureTests");
File folder2 = new File("src/test/resources/input/singleFeatureTests");
File folder3 = new File("src/test/resources/input/typedAstFeatureTests");
File combinedFeatureTests = new File("src/test/resources/input/combinedFeatureTests");
File endabgabeTests = new File("src/test/resources/input/endabgabeTests");
File singleFeatureSemanticTests = new File("src/test/resources/input/singleFeatureSemanticTests");
File singleFeatureTests = new File("src/test/resources/input/singleFeatureTests");
File typedAstFeatureTests = new File("src/test/resources/input/typedAstFeatureTests");
List<File> files = getJavaFilesFromDirectory(folder1);
files.addAll(getJavaFilesFromDirectory(folder2));
files.addAll(getJavaFilesFromDirectory(folder3));
List<File> files = getJavaFilesFromDirectory(combinedFeatureTests);
// files.addAll(getJavaFilesFromDirectory(endabgabeTests));
// files.addAll(getJavaFilesFromDirectory(singleFeatureSemanticTests));
files.addAll(getJavaFilesFromDirectory(singleFeatureTests));
// files.addAll(getJavaFilesFromDirectory(typedAstFeatureTests));
if (!files.isEmpty()) {
for (File file : files) {
@ -47,6 +52,133 @@ public class InputFilesTest {
}
}
@Test
public void areCombinedFeatureTestsValid() throws IOException {
// Get the system Java compiler
JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
// Assert that the compiler is available
assertNotNull(javac, "Java Compiler is not available");
File combinedFeatureTests = new File("src/test/resources/input/combinedFeatureTests");
List<File> files = getJavaFilesFromDirectory(combinedFeatureTests);
if (!files.isEmpty()) {
for (File file : files) {
// Try to compile the file and get the result
int result = javac.run(null, null, null, file.getPath());
// Assert that the compilation succeeded (i.e., the result is zero)
assertEquals(0, result, "Expected compilation success for " + file.getName());
}
} else {
System.out.println("No files found in the directories.");
}
}
@Test
@Disabled
public void areEndabgabeTestsActuallyValid() throws IOException {
// Get the system Java compiler
JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
// Assert that the compiler is available
assertNotNull(javac, "Java Compiler is not available");
File endabgabeTests = new File("src/test/resources/input/endabgabeTests");
List<File> files = getJavaFilesFromDirectory(endabgabeTests);
if (!files.isEmpty()) {
for (File file : files) {
// Try to compile the file and get the result
int result = javac.run(null, null, null, file.getPath());
// Assert that the compilation succeeded (i.e., the result is zero)
assertEquals(0, result, "Expected compilation success for " + file.getName());
}
} else {
System.out.println("No files found in the directories.");
}
}
@Test
@Disabled
public void areSingleFeatureSemanticTestsActuallyValid() throws IOException {
// Get the system Java compiler
JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
// Assert that the compiler is available
assertNotNull(javac, "Java Compiler is not available");
File singleFeatureSemanticTests = new File("src/test/resources/input/singleFeatureSemanticTests");
List<File> files = getJavaFilesFromDirectory(singleFeatureSemanticTests);
if (!files.isEmpty()) {
for (File file : files) {
// Try to compile the file and get the result
int result = javac.run(null, null, null, file.getPath());
// Assert that the compilation succeeded (i.e., the result is zero)
assertEquals(0, result, "Expected compilation success for " + file.getName());
}
} else {
System.out.println("No files found in the directories.");
}
}
@Test
public void areSingleFeatureTestsActuallyValid() throws IOException {
// Get the system Java compiler
JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
// Assert that the compiler is available
assertNotNull(javac, "Java Compiler is not available");
File singleFeatureTests = new File("src/test/resources/input/singleFeatureTests");
List<File> files = getJavaFilesFromDirectory(singleFeatureTests);
if (!files.isEmpty()) {
for (File file : files) {
// Try to compile the file and get the result
int result = javac.run(null, null, null, file.getPath());
// Assert that the compilation succeeded (i.e., the result is zero)
assertEquals(0, result, "Expected compilation success for " + file.getName());
}
} else {
System.out.println("No files found in the directories.");
}
}
@Test
@Disabled
public void areTypedAstFeatureTestsActuallyValid() throws IOException {
// Get the system Java compiler
JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
// Assert that the compiler is available
assertNotNull(javac, "Java Compiler is not available");
File typedAstFeatureTests = new File("src/test/resources/input/typedAstFeatureTests");
List<File> files = getJavaFilesFromDirectory(typedAstFeatureTests);
if (!files.isEmpty()) {
for (File file : files) {
// Try to compile the file and get the result
int result = javac.run(null, null, null, file.getPath());
// Assert that the compilation succeeded (i.e., the result is zero)
assertEquals(0, result, "Expected compilation success for " + file.getName());
}
} else {
System.out.println("No files found in the directories.");
}
}
/**
* This test method checks if invalid Java files fail to compile as expected.

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@ -1,28 +1,25 @@
package main;
import org.junit.jupiter.api.Test;
import org.antlr.v4.runtime.CharStream;
import org.antlr.v4.runtime.CharStreams;
import java.io.IOException;
import java.nio.file.Paths;
import org.junit.runner.RunWith;
import org.junit.runners.Suite;
import parser.ParserTest;
import parser.ScannerTest;
import semantic.EndToTypedAstTest;
import semantic.SemanticTest;
/**
* run every test: mvn test
* Nutzen dieser Klasse: Eigentlich nicht vorhanden, in der Main gibts nichts zu testen
* This class is a test suite that runs all the test classes in the project.
* <p> run: <code> mvn test </code>
* <p> check results in console or <code> target/surefire-reports </code>
*/
@RunWith(Suite.class)
@Suite.SuiteClasses({
InputFilesTest.class,
ScannerTest.class,
ParserTest.class,
SemanticTest.class,
EndToTypedAstTest.class
})
public class MainTest {
@Test
void test() {
CharStream codeCharStream = null;
try {
codeCharStream = CharStreams.fromPath(Paths.get("src/main/test/resources/CompilerInput.java"));
Main.compileFile(codeCharStream, "src/main/test/resources/output");
} catch (IOException e) {
System.err.println("Error reading the file: " + e.getMessage());
// This class remains empty, it is used only as a holder for the above annotations
}
}
}

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@ -1,145 +0,0 @@
package main;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.List;
import org.antlr.v4.runtime.CharStream;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
public class ReflectionsTest {
@Test
public void testSimpleJavaLexerClass() throws ClassNotFoundException, NoSuchMethodException {
Class<?> clazz = Class.forName("parser.generated.SimpleJavaLexer");
// Class Name
assertEquals("parser.generated.SimpleJavaLexer", clazz.getName());
// Constructors
Constructor<?>[] actualConstructors = clazz.getDeclaredConstructors();
assertTrue(actualConstructors.length > 0, "No constructors found");
Constructor<?> expectedConstructor = clazz.getConstructor(CharStream.class);
boolean constructorFound = false;
for (Constructor<?> constructor : actualConstructors) {
if (constructor.equals(expectedConstructor)) {
constructorFound = true;
break;
}
}
assertTrue(constructorFound, "Expected constructor not found in actual constructors");
// Methods
Method[] actualMethodNames = clazz.getDeclaredMethods();
assertTrue(actualMethodNames.length > 0);
Arrays.stream(actualMethodNames).forEach(method -> System.out.println("Method: " + method.getName()));
List<String> expectedMethodNames = Arrays.asList(
"getTokenNames",
"getVocabulary",
"getGrammarFileName",
"getRuleNames",
"getSerializedATN",
"getChannelNames",
"getModeNames",
"getATN",
"makeRuleNames",
"makeLiteralNames",
"makeSymbolicNames"
);
for (Method method : actualMethodNames) {
assertTrue(expectedMethodNames.contains(method.getName()));
}
for (String expectedMethodName : expectedMethodNames) {
boolean methodFound = false;
for (Method method : actualMethodNames) {
if (method.getName().equals(expectedMethodName)) {
methodFound = true;
break;
}
}
assertTrue(methodFound, "Expected method " + expectedMethodName + " not found in actual methods");
}
// Fields
Field[] actualFieldNames = clazz.getDeclaredFields();
assertTrue(actualFieldNames.length > 0);
Arrays.stream(actualFieldNames).forEach(field -> System.out.println("Field: " + field.getName()));
List<String> expectedFieldNames = Arrays.asList(
"_decisionToDFA",
"_sharedContextCache",
"channelNames",
"modeNames",
"ruleNames",
"_LITERAL_NAMES",
"_SYMBOLIC_NAMES",
"VOCABULARY",
"tokenNames",
"_serializedATN",
"_ATN"
);
for (Field field : actualFieldNames) {
assertTrue(expectedFieldNames.contains(field.getName()));
}
}
@Test
public void testSimpleJavaParserClass() throws ClassNotFoundException {
Class<?> clazz = Class.forName("parser.generated.SimpleJavaParser");
// Class Name
assertEquals("parser.generated.SimpleJavaParser", clazz.getName());
// Constructors
Constructor<?>[] constructors = clazz.getDeclaredConstructors();
assertTrue(constructors.length > 0);
// Methods
Method[] methods = clazz.getDeclaredMethods();
assertTrue(methods.length > 0);
Arrays.stream(methods).forEach(method -> System.out.println("Method: " + method.getName()));
// Fields
Field[] fields = clazz.getDeclaredFields();
assertTrue(fields.length > 0);
Arrays.stream(fields).forEach(field -> System.out.println("Field: " + field.getName()));
}
@Test
public void testASTBuilderClass() throws ClassNotFoundException {
Class<?> clazz = Class.forName("parser.astBuilder.ASTBuilder");
// Class Name
assertEquals("parser.astBuilder.ASTBuilder", clazz.getName());
// Constructors
Constructor<?>[] constructors = clazz.getDeclaredConstructors();
assertTrue(constructors.length > 0);
// Methods
Method[] methods = clazz.getDeclaredMethods();
assertTrue(methods.length > 0);
Arrays.stream(methods).forEach(method -> System.out.println("Method: " + method.getName()));
// Fields
Field[] fields = clazz.getDeclaredFields();
assertTrue(fields.length > 0);
Arrays.stream(fields).forEach(field -> System.out.println("Field: " + field.getName()));
}
// Similarly, you can add tests for SemanticAnalyzer and ByteCodeGenerator
}

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@ -1,5 +1,441 @@
package semantic;
import ast.ASTNode;
import ast.ClassNode;
import ast.ProgramNode;
import ast.expressions.IExpressionNode;
import ast.expressions.unaryexpressions.MemberAccessNode;
import ast.expressions.unaryexpressions.UnaryNode;
import ast.members.ConstructorNode;
import ast.members.FieldNode;
import ast.members.MethodNode;
import ast.parameters.ParameterNode;
import ast.statementexpressions.AssignNode;
import ast.statementexpressions.AssignableNode;
import ast.statementexpressions.methodcallstatementnexpressions.MethodCallNode;
import ast.statements.BlockNode;
import ast.statements.ReturnNode;
import ast.type.AccessModifierNode;
import ast.type.EnumValueNode;
import ast.type.ValueNode;
import ast.type.type.BaseType;
import ast.type.type.TypeEnum;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import parser.Helper;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
public class SemanticTest {
@BeforeEach
public void setUp() {
SemanticAnalyzer.clearAnalyzer();
}
@Test
@DisplayName("Empty Class Test")
public void emptyClassTest() {
ClassNode emptyClass = Helper.generateEmptyClass("EmptyClass");
ProgramNode abstractSyntaxTree = new ProgramNode();
abstractSyntaxTree.addClass(emptyClass);
ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
for (Exception runtimeException : SemanticAnalyzer.errors) {
runtimeException.printStackTrace();
}
assertTrue(SemanticAnalyzer.errors.isEmpty());
assertNotNull(typedAst);
}
@Test
@DisplayName("Multiple Empty Classes Test")
public void multipleEmptyClassesTest() {
ClassNode class1 = Helper.generateEmptyClass("MultipleClasses");
ClassNode class2 = Helper.generateEmptyClass("TestClass2");
ProgramNode abstractSyntaxTree = new ProgramNode();
abstractSyntaxTree.addClass(class1);
abstractSyntaxTree.addClass(class2);
ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
for (Exception runtimeException : SemanticAnalyzer.errors) {
runtimeException.printStackTrace();
}
assertTrue(SemanticAnalyzer.errors.isEmpty());
assertNotNull(typedAst);
}
@Test
@DisplayName("Empty Class Test with Constructor")
public void emptyClassWithConstructorTest() {
ClassNode class1 = Helper.generateEmptyClass("EmptyClassWithConstructor");
ProgramNode abstractSyntaxTree = new ProgramNode();
abstractSyntaxTree.addClass(class1);
ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
for (Exception runtimeException : SemanticAnalyzer.errors) {
runtimeException.printStackTrace();
}
assertTrue(SemanticAnalyzer.errors.isEmpty());
assertNotNull(typedAst);
}
@Test
@DisplayName("Field Test")
public void fieldTest() {
ClassNode class1 = Helper.generateEmptyClass("Field");
class1.addMember(new FieldNode(new AccessModifierNode("public"), new BaseType(TypeEnum.INT), "a"));
ProgramNode abstractSyntaxTree = new ProgramNode();
abstractSyntaxTree.addClass(class1);
ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
for (Exception runtimeException : SemanticAnalyzer.errors) {
runtimeException.printStackTrace();
}
assertTrue(SemanticAnalyzer.errors.isEmpty());
assertNotNull(typedAst);
}
@Test
@DisplayName("Field Test with Accessmodifier")
public void fieldTestWithModifier() {
ClassNode class1 = Helper.generateEmptyClass("FieldWithAccessModifier");
class1.addMember(new FieldNode(new AccessModifierNode("public"), new BaseType(TypeEnum.INT), "a"));
ProgramNode abstractSyntaxTree = new ProgramNode();
abstractSyntaxTree.addClass(class1);
ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
for (Exception runtimeException : SemanticAnalyzer.errors) {
runtimeException.printStackTrace();
}
assertTrue(SemanticAnalyzer.errors.isEmpty());
assertNotNull(typedAst);
}
@Test
@DisplayName("Comments Ignore Test")
public void commentsIgnoreTest() {
ClassNode class1 = Helper.generateEmptyClass("Comments");
class1.addMember(new FieldNode(new AccessModifierNode("private"), new BaseType(TypeEnum.INT), "a"));
ProgramNode abstractSyntaxTree = new ProgramNode();
abstractSyntaxTree.addClass(class1);
ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
for (Exception runtimeException : SemanticAnalyzer.errors) {
runtimeException.printStackTrace();
}
assertTrue(SemanticAnalyzer.errors.isEmpty());
assertNotNull(typedAst);
}
@Test
@DisplayName("Constructor Parameter Test")
public void constructorParameterTest() {
BlockNode block = new BlockNode();
block.addStatement(new ReturnNode(null));
ConstructorNode constructor = new ConstructorNode("public", "ConstructorParameter", block);
constructor.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "a"));
constructor.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "b"));
ClassNode class1 = new ClassNode("public", "ConstructorParameter");
class1.addMember(constructor);
ProgramNode abstractSyntaxTree = new ProgramNode();
abstractSyntaxTree.addClass(class1);
ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
for (Exception runtimeException : SemanticAnalyzer.errors) {
runtimeException.printStackTrace();
}
assertTrue(SemanticAnalyzer.errors.isEmpty());
assertNotNull(typedAst);
}
@Test
@DisplayName("This Dot Test")
public void thisDotTest() {
BlockNode block = new BlockNode();
MemberAccessNode memberAccess = new MemberAccessNode(true);
memberAccess.addIdentifier("a");
AssignableNode assignable = new AssignableNode(memberAccess);
ValueNode value = new ValueNode(EnumValueNode.INT_VALUE, "1");
IExpressionNode expression = new UnaryNode(value);
block.addStatement(new AssignNode(assignable, expression));
block.addStatement(new ReturnNode(null));
ConstructorNode constructor = new ConstructorNode("public", "ThisDot", block);
ClassNode class1 = new ClassNode("public", "ThisDot");
class1.addMember(new FieldNode(new AccessModifierNode("public"), new BaseType(TypeEnum.INT), "a"));
class1.addMember(constructor);
ProgramNode abstractSyntaxTree = new ProgramNode();
abstractSyntaxTree.addClass(class1);
ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
for (Exception runtimeException : SemanticAnalyzer.errors) {
runtimeException.printStackTrace();
}
assertTrue(SemanticAnalyzer.errors.isEmpty());
assertNotNull(typedAst);
}
@Test
@DisplayName("Constructor This Dot Test")
public void constructorThisDotTest() {
BlockNode block = new BlockNode();
MemberAccessNode memberAccess = new MemberAccessNode(true);
memberAccess.addIdentifier("a");
AssignableNode assignable = new AssignableNode(memberAccess);
IExpressionNode expression = new UnaryNode("a");
block.addStatement(new AssignNode(assignable, expression));
block.addStatement(new ReturnNode(null));
ConstructorNode constructor = new ConstructorNode("public", "ConstructorThisDot", block);
constructor.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "a"));
ClassNode class1 = new ClassNode("public", "ConstructorThisDot");
class1.addMember(new FieldNode(new AccessModifierNode("private"), new BaseType(TypeEnum.INT), "a"));
class1.addMember(constructor);
ProgramNode abstractSyntaxTree = new ProgramNode();
abstractSyntaxTree.addClass(class1);
ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
for (Exception runtimeException : SemanticAnalyzer.errors) {
runtimeException.printStackTrace();
}
assertTrue(SemanticAnalyzer.errors.isEmpty());
assertNotNull(typedAst);
}
@Test
@DisplayName("Void Methoden Test")
public void voidMethodenTest() {
ClassNode class1 = Helper.generateEmptyClass("VoidMethod");
BlockNode block = new BlockNode();
block.addStatement(new ReturnNode(null));
class1.addMember(new MethodNode("public", null, true, "test", block));
ProgramNode abstractSyntaxTree = new ProgramNode();
abstractSyntaxTree.addClass(class1);
ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
for (Exception runtimeException : SemanticAnalyzer.errors) {
runtimeException.printStackTrace();
}
assertTrue(SemanticAnalyzer.errors.isEmpty());
assertNotNull(typedAst);
}
@Test
@DisplayName("Constructor Method call Test")
public void constructorMethodCallTest() {
BlockNode blockCon = new BlockNode();
MemberAccessNode memberAccess = new MemberAccessNode(true);
memberAccess.addIdentifier("a");
AssignableNode assignable = new AssignableNode(memberAccess);
IExpressionNode expression = new UnaryNode(new MethodCallNode(null, "testMethod"));
blockCon.addStatement(new AssignNode(assignable, expression));
blockCon.addStatement(new ReturnNode(null));
ConstructorNode constructor = new ConstructorNode("public", "ConstructorMethodCall", blockCon);
BlockNode blockMethod = new BlockNode();
blockMethod.addStatement(new ReturnNode(new UnaryNode(new ValueNode(EnumValueNode.INT_VALUE, "1"))));
MethodNode method = new MethodNode("public", new BaseType(TypeEnum.INT), false, "testMethod", blockMethod);
ClassNode class1 = new ClassNode("public", "ConstructorMethodCall");
class1.addMember(new FieldNode(new AccessModifierNode("public"), new BaseType(TypeEnum.INT), "a"));
class1.addMember(constructor);
class1.addMember(method);
ProgramNode abstractSyntaxTree = new ProgramNode();
abstractSyntaxTree.addClass(class1);
ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
for (Exception runtimeException : SemanticAnalyzer.errors) {
runtimeException.printStackTrace();
}
assertTrue(SemanticAnalyzer.errors.isEmpty());
assertNotNull(typedAst);
}
@Test
@DisplayName("Constructor Method call Parameters Test")
public void constructorMethodCallParametersTest() {
BlockNode blockCon = new BlockNode();
MemberAccessNode memberAccess = new MemberAccessNode(true);
memberAccess.addIdentifier("a");
AssignableNode assignable = new AssignableNode(memberAccess);
MethodCallNode methodCall = new MethodCallNode(null, "testMethod");
methodCall.addExpression(new UnaryNode("a"));
IExpressionNode expression = new UnaryNode(methodCall);
blockCon.addStatement(new AssignNode(assignable, expression));
blockCon.addStatement(new ReturnNode(null));
ConstructorNode constructor = new ConstructorNode("public", "ConstructorMethodCallParameters", blockCon);
constructor.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "a"));
BlockNode blockMethod = new BlockNode();
blockMethod.addStatement(new ReturnNode(new UnaryNode("a")));
MethodNode method = new MethodNode("public", new BaseType(TypeEnum.INT), false, "testMethod", blockMethod);
method.addParameter(new ParameterNode(new BaseType(TypeEnum.INT), "a"));
ClassNode class1 = new ClassNode("public", "ConstructorMethodCallParameters");
class1.addMember(new FieldNode(new AccessModifierNode("public"), new BaseType(TypeEnum.INT), "a"));
class1.addMember(constructor);
class1.addMember(method);
ProgramNode abstractSyntaxTree = new ProgramNode();
abstractSyntaxTree.addClass(class1);
ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
for (Exception runtimeException : SemanticAnalyzer.errors) {
runtimeException.printStackTrace();
}
assertTrue(SemanticAnalyzer.errors.isEmpty());
assertNotNull(typedAst);
}
@Test
@DisplayName("Char Test")
public void charTest() {
BlockNode blockCon = new BlockNode();
MemberAccessNode memberAccess = new MemberAccessNode(true);
memberAccess.addIdentifier("a");
AssignableNode assignable = new AssignableNode(memberAccess);
MethodCallNode methodCall = new MethodCallNode(null, "testMethod");
methodCall.addExpression(new UnaryNode("a"));
IExpressionNode expression = new UnaryNode(methodCall);
blockCon.addStatement(new AssignNode(assignable, expression));
blockCon.addStatement(new ReturnNode(null));
ConstructorNode constructor = new ConstructorNode("public", "Char", blockCon);
constructor.addParameter(new ParameterNode(new BaseType(TypeEnum.CHAR), "a"));
BlockNode blockMethod = new BlockNode();
blockMethod.addStatement(new ReturnNode(new UnaryNode("a")));
MethodNode method = new MethodNode("public", new BaseType(TypeEnum.CHAR), false, "testMethod", blockMethod);
method.addParameter(new ParameterNode(new BaseType(TypeEnum.CHAR), "a"));
ClassNode class1 = new ClassNode("public", "Char");
class1.addMember(new FieldNode(new AccessModifierNode("public"), new BaseType(TypeEnum.CHAR), "a"));
class1.addMember(constructor);
class1.addMember(method);
ProgramNode abstractSyntaxTree = new ProgramNode();
abstractSyntaxTree.addClass(class1);
ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
for (Exception runtimeException : SemanticAnalyzer.errors) {
runtimeException.printStackTrace();
}
assertTrue(SemanticAnalyzer.errors.isEmpty());
assertNotNull(typedAst);
}
@Test
@DisplayName("Null Test")
public void nullTest() {
BlockNode blockCon = new BlockNode();
MemberAccessNode memberAccess = new MemberAccessNode(true);
memberAccess.addIdentifier("a");
AssignableNode assignable = new AssignableNode(memberAccess);
blockCon.addStatement(new AssignNode(assignable, new UnaryNode(new ValueNode(EnumValueNode.NULL_VALUE, "null"))));
blockCon.addStatement(new ReturnNode(null));
ConstructorNode constructor = new ConstructorNode("public", "Null", blockCon);
ClassNode class1 = new ClassNode("public", "Null");
class1.addMember(new FieldNode(new AccessModifierNode("public"), new BaseType(TypeEnum.INT), "a"));
class1.addMember(constructor);
ProgramNode abstractSyntaxTree = new ProgramNode();
abstractSyntaxTree.addClass(class1);
ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
for (Exception runtimeException : SemanticAnalyzer.errors) {
runtimeException.printStackTrace();
}
assertTrue(SemanticAnalyzer.errors.isEmpty());
assertNotNull(typedAst);
}
@Test
@DisplayName("Self Reference Test")
public void selfReferenceTest() {
}
@Test
@DisplayName("Variable Compare Test")
public void variableCompareTest() {
}
@Test
@DisplayName("Variable Calculation Test")
public void variableCalculationTest() {
}
@Test
@DisplayName("Main Method Test")
public void mainMethodTest() {
}
@Test
@DisplayName("While Test")
public void whileTest() {
}
@Test
@DisplayName("Do While Test")
public void doWhileTest() {
}
@Test
@DisplayName("For Test")
public void forTest() {
}
@Test
@DisplayName("Increment Test")
public void incrementTest() {
ClassNode classNode = Helper.generateEmptyClass("Increment");
classNode.addMember(new FieldNode(new AccessModifierNode("public"), new BaseType(TypeEnum.INT), "a"));
ProgramNode abstractSyntaxTree = new ProgramNode();
abstractSyntaxTree.addClass(classNode);
ASTNode typedAst = SemanticAnalyzer.generateTast(abstractSyntaxTree);
for (Exception runtimeException : SemanticAnalyzer.errors) {
runtimeException.printStackTrace();
}
assertTrue(SemanticAnalyzer.errors.isEmpty());
assertNotNull(typedAst);
}
}