1 files changed, 64 insertions, 0 deletions
diff --git a/chunk.d b/chunk.d
new file mode 100644
index 0000000..5233a87
--- /dev/null
+++ b/chunk.d
@@ -0,0 +1,64 @@
+import std.stdio;
+import std.string;
+import std.conv;
+
+import parser;
+
+enum ObjType {
+    FUNCTION,
+}
+
+abstract class Obj {
+    ObjType type;
+}
+
+class Function : Obj {
+    Chunk chunk;
+    string name;
+
+    this() {
+        this.type = ObjType.FUNCTION;
+        this.chunk = new Chunk();
+        this.name = "";
+    }
+
+    override string toString() {
+        if (name == "") {
+            return "<neb>";
+        } else {
+            return name;
+        }
+    }
+}
+
+enum OpCode {
+    OP_ADD,
+    OP_RETURN,
+    OP_CONSTANT,
+    OP_POP,
+}
+
+class Chunk {
+    int count = 0;
+    ubyte[] code;
+    int[] lines;
+    Value[] constants;
+
+    //int writeOp(OpCode opCode, int line) {
+    int writeOp(ubyte opCode, int line) {
+        this.code ~= opCode;
+        this.lines ~= line;
+        this.count++;
+        assert(this.code.length == count);
+        assert(this.lines.length == count);
+        return count;
+    }
+
+    int addConstant(Value value) {
+        this.constants ~= value;
+        return to!int(this.constants.length - 1);
+    }
+
+}
+
+