Add negation operator

2 files changed, 41 insertions, 0 deletions

diff --git a/main/core/tokenizer/token/Token.java b/main/core/tokenizer/token/Token.java
index 436160a..a9b66e8 100644
--- a/main/core/tokenizer/token/Token.java
+++ b/main/core/tokenizer/token/Token.java
@@ -58,6 +58,7 @@ abstract public class Token {
         EndBlockToken,
         FunctionBodyToken,
         BranchBodyToken,
+        NegationToken,
         NotAToken
     }
 
@@ -185,6 +186,8 @@ abstract public class Token {
                     return new ClosedParenToken();
                 case BranchToken:
                     return new BranchToken();
+                case NegationToken:
+                    return new NegationToken();
                 default:
                     ExceptionManager.raise(InterpreterException.ExceptionType.IllegalTokenError, line,
                             type.toString()
@@ -232,6 +235,7 @@ abstract public class Token {
             case BranchToken:
                 return new ArgumentInfo(2);
             case DeclarationToken:
+            case NegationToken:
                 return new ArgumentInfo(1);
             default:
                 return new ArgumentInfo(0);
diff --git a/main/core/tokenizer/token/types/NegationToken.java b/main/core/tokenizer/token/types/NegationToken.java
new file mode 100644
index 0000000..5658f10
--- /dev/null
+++ b/main/core/tokenizer/token/types/NegationToken.java
@@ -0,0 +1,37 @@
+package com.jantuomi.interpreter.main.core.tokenizer.token.types;
+
+import com.jantuomi.interpreter.main.core.parser.ast.ASTNode;
+import com.jantuomi.interpreter.main.core.parser.ast.NegationNode;
+import com.jantuomi.interpreter.main.core.tokenizer.token.Token;
+import com.jantuomi.interpreter.main.exception.InterpreterException;
+
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * Created by jan on 21.6.2016.
+ */
+public class NegationToken extends Token {
+
+    private Token operand;
+
+    public NegationToken() {
+        super(Type.NegationToken, "not");
+    }
+
+    @Override
+    public ASTNode generateNode() throws InterpreterException {
+        return new NegationNode(this, operand.generateNode());
+    }
+
+    @Override
+    public Token setArguments(List<Token> args) {
+        operand = args.get(0);
+        return this;
+    }
+
+    @Override
+    public List<Token> getChildren() {
+        return Arrays.asList(operand);
+    }
+}