added unary operations to ast

src/main/java/de/maishai/ExpressionGenerator.java

@@ -46,9 +46,9 @@ public class ExpressionGenerator extends DecafBaseVisitor<Expression> {
 
     public static Expression generateConstant(DecafParser.LiteralContext ctx){
         if(ctx.NUMBER() != null)
-            return new IntConstant(Integer.valueOf(ctx.NUMBER().getText()));
+            return new IntLiteral(Integer.valueOf(ctx.NUMBER().getText()));
         if(ctx.boolean_() != null)
-            return new BoolConstant(Boolean.valueOf(ctx.boolean_().getText()));
+            return new BoolLiteral(Boolean.valueOf(ctx.boolean_().getText()));
         throw new RuntimeException();
     }
 

src/main/java/de/maishai/ast/UnaryOperator.java

@@ -0,0 +1,6 @@
+package de.maishai.ast;
+
+public enum UnaryOperator {
+    SUB,
+    NOT
+}

src/main/java/de/maishai/ast/records/BoolConstant.java

@@ -1,5 +0,0 @@
-package de.maishai.ast.records;
-
-
-public record BoolConstant(Boolean value) implements Expression {
-}

src/main/java/de/maishai/ast/records/BoolLiteral.java

@@ -0,0 +1,5 @@
+package de.maishai.ast.records;
+
+
+public record BoolLiteral(Boolean value) implements Expression {
+}

src/main/java/de/maishai/ast/records/CharConstant.java

@@ -1,5 +0,0 @@
-package de.maishai.ast.records;
-
-
-public record CharConstant(char value) implements Expression {
-}

src/main/java/de/maishai/ast/records/CharLiteral.java

@@ -0,0 +1,5 @@
+package de.maishai.ast.records;
+
+
+public record CharLiteral(char value) implements Expression {
+}

src/main/java/de/maishai/ast/records/Expression.java

@@ -1,5 +1,5 @@
 package de.maishai.ast.records;
 
 
-public sealed interface Expression extends Node permits Assignment, Binary, BoolConstant, CharConstant, Id, IntConstant, MethodCall, New {
+public sealed interface Expression extends Node permits Assignment, Binary, BoolLiteral, CharLiteral, Id, IntLiteral, MethodCall, New, Unary {
 }

src/main/java/de/maishai/ast/records/IntConstant.java

@@ -1,5 +0,0 @@
-package de.maishai.ast.records;
-
-
-public record IntConstant(Integer value) implements Expression {
-}

src/main/java/de/maishai/ast/records/IntLiteral.java

@@ -0,0 +1,5 @@
+package de.maishai.ast.records;
+
+
+public record IntLiteral(Integer value) implements Expression {
+}

src/main/java/de/maishai/ast/records/Statement.java

@@ -12,5 +12,5 @@ import de.maishai.ast.records.Return;
 import de.maishai.ast.records.ReturnVoid;
 import de.maishai.ast.records.While;
 
-public sealed interface Statement extends Node permits Break, Continue, DoWhile, For, IfElse, MethodCall, New, Return, ReturnVoid, While {
+public sealed interface Statement extends Node permits Assignment, Break, Continue, DoWhile, For, IfElse, MethodCall, New, Return, ReturnVoid, While {
 }