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-rw-r--r--main/core/tokenizer/Tokenizer.java1
-rw-r--r--main/core/tokenizer/token/Token.java4
-rw-r--r--main/core/tokenizer/token/types/NegationToken.java37
3 files changed, 42 insertions, 0 deletions
diff --git a/main/core/tokenizer/Tokenizer.java b/main/core/tokenizer/Tokenizer.java
index 8837ad1..35bf7da 100644
--- a/main/core/tokenizer/Tokenizer.java
+++ b/main/core/tokenizer/Tokenizer.java
@@ -54,6 +54,7 @@ public class Tokenizer {
tokenRegexes.put(Token.Type.FunctionBodyToken, "^(as)\\b");
tokenRegexes.put(Token.Type.BranchBodyToken, "^(then)\\b");
tokenRegexes.put(Token.Type.EndBlockToken, "^(end)\\b");
+ tokenRegexes.put(Token.Type.NegationToken, "^(not)\\b");
tokenRegexes.put(Token.Type.DeclarationToken, "^(decl)\\b");
tokenRegexes.put(Token.Type.BranchToken, "^(if)\\b");
tokenRegexes.put(Token.Type.IntegerLiteralToken, "^(\\d+)");
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);
+ }
+}