feat: introduced blocks and better project structure

include/ir/op.hpp

@@ -0,0 +1,50 @@
+#pragma once
+#include "prelude/string.hpp"
+#include "ir/value.hpp"
+
+namespace IR
+{
+
+enum class OpType
+{
+    EXTERN = 0,
+    FN,
+    LOAD_CONST,
+    LOAD,
+    STORE,
+    ADD,
+    CALL,
+    COUNT_OPS,
+};
+
+#define OP_TYPE(x) \
+    OpType GetType() const override { return OpType::x; }
+
+class Op
+{
+public:
+    virtual OpType GetType() const = 0;
+    virtual bool Valued() const { return false; };
+    virtual ~Op() {}
+
+    virtual StringView Format(int indent) const = 0;
+};
+
+using OpView = View<Op*>;
+using OpBuilder = Builder<Op*>;
+
+class OpValued : public Op
+{
+public:
+    OpValued(Value dest)
+        : m_dest(dest) {}
+    ~OpValued() = default;
+public:
+    Value result() const { return m_dest; }
+protected:
+    bool Valued() const override { return true; }
+private:
+    Value m_dest;
+};
+
+} // namespace IR