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Added Exception to TypedAst

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This commit is contained in:
ahmad 2024-05-15 21:55:26 +02:00
parent 795001f62b
commit 11a4be8216
15 changed files with 97 additions and 33 deletions
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6
src/main/java/de/maishai/Compiler.java
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@ -98,9 +98,7 @@ public class Compiler {
}
public static void main(String[] args) {
generateByteCodeFileFromFile(List.of("src/main/resources/JavaTestfiles/ClassWithConstructor.java",
"src/main/resources/JavaTestfiles/ClassWithConstructorAndMethodCall.java",
"src/main/resources/JavaTestfiles/ComplexClass.java"),
List.of("ClassWithConstructor","ClassWithConstructorAndMethodCall","ComplexClass"));
generateByteCodeFileFromFile(List.of("src/main/resources/JavaTestfiles/ClassCanBeTyped.java"),
List.of("ClassWithConstructor"));
}
}

21
src/main/java/de/maishai/typedast/typedclass/TypedAssignment.java
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@ -1,6 +1,8 @@
package de.maishai.typedast.typedclass;
import de.maishai.ast.records.Assignment;
import de.maishai.typedast.Exception.TypeMismatchException;
import de.maishai.typedast.Exception.VariableNotDeclaredException;
import de.maishai.typedast.MethodContext;
import de.maishai.typedast.TypedExpression;
import de.maishai.typedast.TypedStatement;
@ -33,11 +35,15 @@ public class TypedAssignment implements TypedStatement {
Type typeLeft = getTypeLeft(typedProgram);
Type typeRight = value.typeCheck(typedProgram);
if (typeLeft.equals(typeRight)) {
type = typeLeft;
return typeLeft;
}
throw new RuntimeException("type of left not equals with type of right");
TypedProgram.addException(new TypeMismatchException(typeLeft, typeRight));
return Type.VOID;
}
private Type getTypeLeft(TypedProgram typedProgram) {
@ -56,7 +62,8 @@ public class TypedAssignment implements TypedStatement {
return getTypeFromConstructorOrField(currentClass.getCurrentConstructor(), name, currentClass);
}
throw new RuntimeException("Variable " + name + " not declared");
TypedProgram.addException(new VariableNotDeclaredException(name, currentClass.getClassName()));
return Type.VOID;
}
private Type getTypeFromMethodOrField(TypedMethod currentMethod, String name, TypedClass currentClass) {
@ -65,7 +72,8 @@ public class TypedAssignment implements TypedStatement {
} else if (currentClass.isThereField(name)) {
return currentClass.getFieldType(name);
} else {
throw new RuntimeException("Variable " + name + " not declared in method");
TypedProgram.addException(new VariableNotDeclaredException(name, currentMethod.getName()));
return Type.VOID;
}
}
@ -75,13 +83,14 @@ public class TypedAssignment implements TypedStatement {
} else if (currentClass.isThereField(name)) {
return currentClass.getFieldType(name);
} else {
throw new RuntimeException("Variable " + name + " not declared in constructor");
TypedProgram.addException(new VariableNotDeclaredException(name, currentConstructor.getName()));
return Type.VOID;
}
}
@Override
public void codeGen(MethodContext ctx) {
if(value instanceof TypedNew) {
if (value instanceof TypedNew) {
value.codeGen(ctx);
getOwnerChain(ctx);
} else {
@ -101,7 +110,7 @@ public class TypedAssignment implements TypedStatement {
ctx.getMv().visitFieldInsn(Opcodes.PUTFIELD, receiver, location.getName(), value.getType().getDescriptor());
System.out.println("PUTFIELD: " + receiver + " " + location.getName() + " " + value.getType().getDescriptor());
} else {
if(value.getType().getKind() == Type.Kind.REFERENCE) {
if (value.getType().getKind() == Type.Kind.REFERENCE) {
System.out.println("ASTORE " + ctx.getLocalVar(location.getName()).get().index());
ctx.getMv().visitVarInsn(Opcodes.ASTORE, ctx.getLocalVar(location.getName()).get().index());
} else {

10
src/main/java/de/maishai/typedast/typedclass/TypedBinary.java
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@ -2,6 +2,7 @@ package de.maishai.typedast.typedclass;
import de.maishai.ast.Operator;
import de.maishai.ast.records.Binary;
import de.maishai.typedast.Exception.TypeMismatchException;
import de.maishai.typedast.MethodContext;
import de.maishai.typedast.TypedExpression;
import de.maishai.typedast.Type;
@ -45,21 +46,21 @@ public class TypedBinary implements TypedExpression {
type = Type.INT;
return Type.INT;
} else {
throw new RuntimeException("Type mismatch in " + op);
TypedProgram.addException(new TypeMismatchException(op.toString()));
}
} else if (op == Operator.GT || op == Operator.LT || op == Operator.GE || op == Operator.LE) {
if (leftType == Type.INT && rightType == Type.INT) {
type = Type.BOOL;
return Type.BOOL;
} else {
throw new RuntimeException("Type mismatch in " + op);
TypedProgram.addException(new TypeMismatchException(op.toString()));
}
} else if (op == Operator.AND || op == Operator.OR) {
if (leftType == Type.BOOL && rightType == Type.BOOL) {
type = Type.BOOL;
return Type.BOOL;
} else {
throw new RuntimeException("Type mismatch in " + op);
TypedProgram.addException(new TypeMismatchException(op.toString()));
}
}
@ -67,7 +68,8 @@ public class TypedBinary implements TypedExpression {
type = rightType;
return type;
}
throw new RuntimeException("Void can not be compared with Void");
TypedProgram.addException(new TypeMismatchException());
return Type.VOID;
}
@Override

7
src/main/java/de/maishai/typedast/typedclass/TypedConstructor.java
View File

@ -3,6 +3,8 @@ package de.maishai.typedast.typedclass;
import de.maishai.ast.records.Constructor;
import de.maishai.ast.records.Parameter;
import de.maishai.typedast.*;
import de.maishai.typedast.Exception.ConstructorReturnException;
import de.maishai.typedast.Exception.ParameterAlreadyExistsException;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.RequiredArgsConstructor;
@ -63,7 +65,7 @@ public class TypedConstructor implements TypedNode {
public void checkIfParameterExists(String paraName) {
if (typedParameters.stream().anyMatch(parameter -> parameter.getParaName().equals(paraName))) {
throw new RuntimeException("Parameter " + paraName + " already exists");
TypedProgram.addException(new ParameterAlreadyExistsException(paraName));
}
}
@ -76,7 +78,8 @@ public class TypedConstructor implements TypedNode {
public Type typeCheck(TypedProgram typedProgram) {
type = typedBlock.typeCheck(typedProgram);
if (type != Type.VOID) {
throw new RuntimeException("Constructor must not habe a return statement");
TypedProgram.addException(new ConstructorReturnException(typedProgram.getCurrentClass().getCurrentConstructor().name));
return Type.VOID;
}
return type;

8
src/main/java/de/maishai/typedast/typedclass/TypedDeclaration.java
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@ -1,6 +1,8 @@
package de.maishai.typedast.typedclass;
import de.maishai.ast.records.Declaration;
import de.maishai.typedast.Exception.FieldAlreadyDeclaredException;
import de.maishai.typedast.Exception.NotFoundException;
import de.maishai.typedast.TypedNode;
import de.maishai.typedast.Type;
import lombok.AllArgsConstructor;
@ -31,11 +33,13 @@ public final class TypedDeclaration implements TypedNode {
public Type typeCheck(TypedProgram typedProgram) {
if (type.getReference() != null && !typedProgram.getCurrentClass().getClassName().equals(type.getReference())) {
if (!typedProgram.isTypedClassPresent(type.getReference())) {
throw new RuntimeException("Type " + type.getReference() + " not found");
TypedProgram.addException(new NotFoundException(type.getReference()));
return Type.VOID;
}
}
if (typedProgram.getCurrentClass().isThereField(name)) {
throw new RuntimeException("Field " + name + " already declared");
TypedProgram.addException(new FieldAlreadyDeclaredException(name));
return Type.VOID;
}
return type;
}

4
src/main/java/de/maishai/typedast/typedclass/TypedDoWhile.java
View File

@ -2,6 +2,7 @@ package de.maishai.typedast.typedclass;
import de.maishai.ast.records.*;
import de.maishai.typedast.*;
import de.maishai.typedast.Exception.ConditionException;
import lombok.Data;
import static de.maishai.typedast.Help.TypedExpressionHelp.convertExpression;
@ -24,7 +25,8 @@ public class TypedDoWhile implements TypedStatement {
@Override
public Type typeCheck(TypedProgram typedProgram) {
if (cond.typeCheck(typedProgram) != Type.BOOL) {
throw new RuntimeException("Condition must be boolean");
TypedProgram.addException(new ConditionException());
return Type.VOID;
}
typedBlock.typeCheck(typedProgram);
this.type = Type.VOID;

11
src/main/java/de/maishai/typedast/typedclass/TypedFieldVarAccess.java
View File

@ -1,6 +1,8 @@
package de.maishai.typedast.typedclass;
import de.maishai.ast.records.*;
import de.maishai.typedast.Exception.FieldNotDeclaredException;
import de.maishai.typedast.Exception.VariableNotDeclaredException;
import de.maishai.typedast.MethodContext;
import de.maishai.typedast.TypedExpression;
import de.maishai.typedast.Type;
@ -55,7 +57,8 @@ public class TypedFieldVarAccess implements TypedExpression {
type = typedProgram.getCurrentClass().getFieldType(typedFieldVarAccess.getName());
return type;
} else {
throw new RuntimeException("Field " + name + " not declared");
TypedProgram.addException(new FieldNotDeclaredException(name));
return null;
}
}
@ -65,7 +68,8 @@ public class TypedFieldVarAccess implements TypedExpression {
} else if (typedProgram.getCurrentClass().isCurrentMethodPresent()) {
return checkMethodVariableType(typedProgram);
} else {
throw new RuntimeException("Variable " + name + " not declared");
TypedProgram.addException(new VariableNotDeclaredException(name));
return null;
}
}
@ -99,7 +103,8 @@ public class TypedFieldVarAccess implements TypedExpression {
} else if (recursiveOwnerChain instanceof TypedFieldVarAccess typedFieldVarAccess) {
type = typedProgram.getCurrentClass().getFieldType(typedFieldVarAccess.getName());
} else {
throw new RuntimeException("Variable " + name + " not declared");
TypedProgram.addException(new VariableNotDeclaredException(name));
return Type.VOID;
}
return type;
}

4
src/main/java/de/maishai/typedast/typedclass/TypedFor.java
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@ -2,6 +2,7 @@ package de.maishai.typedast.typedclass;
import de.maishai.ast.records.*;
import de.maishai.typedast.*;
import de.maishai.typedast.Exception.ConditionException;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
@ -33,7 +34,8 @@ public class TypedFor implements TypedStatement {
public Type typeCheck(TypedProgram typedProgram) {
assign.typeCheck(typedProgram);
if (!cond.typeCheck(typedProgram).equals(Type.BOOL)) {
throw new RuntimeException("Condition must be a boolean");
TypedProgram.addException(new ConditionException());
return Type.VOID;
}
inc.typeCheck(typedProgram);
type = typedBlock.typeCheck(typedProgram);

12
src/main/java/de/maishai/typedast/typedclass/TypedLocalVariable.java
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@ -1,6 +1,9 @@
package de.maishai.typedast.typedclass;
import de.maishai.ast.records.Declaration;
import de.maishai.typedast.Exception.FieldAlreadyDeclaredException;
import de.maishai.typedast.Exception.NotFoundException;
import de.maishai.typedast.Exception.VariableAlreadyDeclaredException;
import de.maishai.typedast.MethodContext;
import de.maishai.typedast.TypedNode;
import de.maishai.typedast.Type;
@ -30,19 +33,22 @@ public final class TypedLocalVariable implements TypedNode {
public Type typeCheck(TypedProgram typedProgram) {
if (typedProgram.getCurrentClass().isCurrentMethodPresent() && !typedProgram.getCurrentClass().isCurrentConstructorPresent()) {
if (typedProgram.getCurrentClass().getCurrentMethod().isLocalVariableInMethod(name)) {
throw new RuntimeException("Variable " + name + " already declared");
TypedProgram.addException(new VariableAlreadyDeclaredException(name));
return Type.VOID;
}
typedProgram.getCurrentClass().getCurrentMethod().getLocalVariables().add(this);
return type;
}
if (!typedProgram.getCurrentClass().isCurrentMethodPresent() && typedProgram.getCurrentClass().isCurrentConstructorPresent()) {
if (typedProgram.getCurrentClass().getCurrentConstructor().isLocalVariableInConstructor(name)) {
throw new RuntimeException("Variable " + name + " already declared");
TypedProgram.addException(new VariableAlreadyDeclaredException(name));
return Type.VOID;
}
typedProgram.getCurrentClass().getCurrentConstructor().getLocalVariables().add(this);
return type;
}
throw new RuntimeException("not found method or constructor in class");
TypedProgram.addException(new NotFoundException("method or constructor"));
return Type.VOID;
}
public void codeGen(MethodVisitor mv, MethodContext ctx) {

1
src/main/java/de/maishai/typedast/typedclass/TypedMethod.java
View File

@ -97,6 +97,7 @@ public class TypedMethod implements TypedNode {
if (typedBlock.typeCheck(typedProgram).getKind() != returnType.getKind()) {
if (hasEvenReturnsInIfElseBlocks()) {
throw new RuntimeException("Method " + name + " must have even returns in if else blocks");
} else {
throw new RuntimeException("Method " + name + " must return " + returnType.getKind());
}

4
src/main/java/de/maishai/typedast/typedclass/TypedNew.java
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@ -3,6 +3,7 @@ package de.maishai.typedast.typedclass;
import de.maishai.ast.records.Expression;
import de.maishai.ast.records.New;
import de.maishai.typedast.*;
import de.maishai.typedast.Exception.NotMatchConstructorException;
import lombok.Data;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
@ -49,7 +50,8 @@ public class TypedNew implements TypedExpression, TypedStatement {
}
}
}
throw new RuntimeException("No matching constructor found");
TypedProgram.addException(new NotMatchConstructorException());
return Type.VOID;
}

7
src/main/java/de/maishai/typedast/typedclass/TypedParameter.java
View File

@ -1,6 +1,7 @@
package de.maishai.typedast.typedclass;
import de.maishai.ast.records.Parameter;
import de.maishai.typedast.Exception.ParameterAlreadyExistsException;
import de.maishai.typedast.Type;
import de.maishai.typedast.TypedNode;
import lombok.AllArgsConstructor;
@ -36,11 +37,13 @@ public class TypedParameter implements TypedNode {
if (typedProgram.getCurrentClass().isCurrentMethodPresent()) {
if (typedProgram.getCurrentClass().isParameterWitNameInMethod(paraName)) {
throw new RuntimeException("Parameter " + paraName + " already exists");
TypedProgram.addException(new ParameterAlreadyExistsException(paraName));
return Type.VOID;
}
} else if (typedProgram.getCurrentClass().isCurrentConstructorPresent()) {
if (typedProgram.getCurrentClass().isParameterWitNameInConstructor(paraName)) {
throw new RuntimeException("Parameter " + paraName + " already exists");
TypedProgram.addException(new ParameterAlreadyExistsException(paraName));
return Type.VOID;
}
}

21
src/main/java/de/maishai/typedast/typedclass/TypedProgram.java
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@ -10,6 +10,8 @@ import java.util.List;
@Getter
@AllArgsConstructor
public class TypedProgram {
//list of exceptions
public static List<RuntimeException> exceptions = new ArrayList<>();
private List<TypedClass> typedClasses = new ArrayList<>();
private TypedClass currentClass;
@ -41,6 +43,8 @@ public class TypedProgram {
exitCurrentClass();
i++;
}
printExceptions();
}
public TypedClass getTypedClass(String className) {
@ -58,5 +62,22 @@ public class TypedProgram {
public void exitCurrentClass() {
currentClass = null;
}
public static void addException(RuntimeException exception) {
if (!exceptions.contains(exception)) {
exceptions.add(exception);
}
}
public void printExceptions() {
if (exceptions.isEmpty()) {
System.out.println("Die Kompilierung wurde fehlerfrei abgeschlossen.");
} else {
System.out.println("Es wurden folgende Fehler während der Kompilierung festgestellt:");
for (int i = 0; i < exceptions.size(); i++) {
System.out.println((i + 1) + ": " + exceptions.get(i).getMessage());
}
}
}
}

10
src/main/java/de/maishai/typedast/typedclass/TypedUnary.java
View File

@ -2,6 +2,7 @@ package de.maishai.typedast.typedclass;
import de.maishai.ast.UnaryOperator;
import de.maishai.ast.records.Unary;
import de.maishai.typedast.Exception.InvalidNotOperationException;
import de.maishai.typedast.MethodContext;
import de.maishai.typedast.TypedExpression;
import de.maishai.typedast.Type;
@ -30,18 +31,21 @@ public class TypedUnary implements TypedExpression {
if (op == UnaryOperator.NOT) {
if (right.typeCheck(typedProgram) != Type.BOOL) {
throw new RuntimeException("Not operator must be applied to boolean");
TypedProgram.addException(new InvalidNotOperationException(UnaryOperator.NOT.name(), Type.BOOL.getKind().name()));
return Type.VOID;
}
return Type.BOOL;
}
if (op == UnaryOperator.SUB) {
if (right.typeCheck(typedProgram) != Type.INT) {
throw new RuntimeException("Minus operator must be applied to int");
TypedProgram.addException(new InvalidNotOperationException(UnaryOperator.SUB.name(), Type.INT.getKind().name()));
return Type.VOID;
}
return Type.INT;
}
throw new RuntimeException("Unknown unary operator");
TypedProgram.addException(new InvalidNotOperationException());
return Type.VOID;
}
@Override

4
src/main/java/de/maishai/typedast/typedclass/TypedWhile.java
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@ -2,6 +2,7 @@ package de.maishai.typedast.typedclass;
import de.maishai.ast.records.*;
import de.maishai.typedast.*;
import de.maishai.typedast.Exception.ConditionException;
import lombok.Data;
import static de.maishai.typedast.Help.TypedExpressionHelp.convertExpression;
@ -24,7 +25,8 @@ public class TypedWhile implements TypedStatement {
@Override
public Type typeCheck(TypedProgram typedProgram) {
if (cond.typeCheck(typedProgram) != Type.BOOL) {
throw new RuntimeException("While condition must be a boolean");
TypedProgram.addException(new ConditionException());
return Type.VOID;
}
type = typedBlock.typeCheck(typedProgram);
return type;