Add interpreter and AST

1 files changed, 35 insertions, 0 deletions

diff --git a/main/core/runtime/Interpreter.java b/main/core/runtime/Interpreter.java
new file mode 100644
index 0000000..00294e2
--- /dev/null
+++ b/main/core/runtime/Interpreter.java
@@ -0,0 +1,35 @@
+package com.jantuomi.interpreter.main.core.runtime;
+
+import com.jantuomi.interpreter.main.core.parser.ast.ASTNode;
+import com.jantuomi.interpreter.main.core.parser.datatype.DataContainer;
+
+import java.util.List;
+
+/**
+ * Created by jan on 14.6.2016.
+ */
+public class Interpreter {
+    private static final Interpreter instance = new Interpreter();
+
+    public static Interpreter getInstance() {
+        return instance;
+    }
+
+    private Interpreter() {
+
+    }
+    public static String execute(List<ASTNode> sequence) {
+        StringBuilder output = new StringBuilder();
+        for (ASTNode node : sequence) {
+            DataContainer data = node.evaluate();
+
+            if (data != null) {
+                String out = data.toString();
+                output.append(out);
+            } else {
+                break;
+            }
+        }
+        return output.toString();
+    }
+}