From 1011655d2ef76a0c0aa29dbbff091dab139198e3 Mon Sep 17 00:00:00 2001
From: Roland Reichwein <mail@reichwein.it>
Date: Sat, 24 Oct 2020 16:32:18 +0200
Subject: Add FlowGraph

---
 flowgraph/data.h | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 flowgraph/data.h

(limited to 'flowgraph/data.h')

diff --git a/flowgraph/data.h b/flowgraph/data.h
new file mode 100644
index 0000000..353567c
--- /dev/null
+++ b/flowgraph/data.h
@@ -0,0 +1,51 @@
+#pragma once
+
+#include <cstdint>
+#include <vector>
+
+namespace FlowGraph {
+
+ // Explicitely not including size
+ enum class DataType
+ {
+  Size,
+  Int,
+  UInt,
+  Pointer,
+  Bool,
+  Char,
+  UChar,
+ };
+
+ class Storage; ///< forward declaration
+
+ // Argument for Operations
+ // -> includes identity of data point, e.g. a local int variable
+ // Built up as a list of Data instances for global and local data points in parallel to FlowGraph
+ class Data
+ {
+ public:
+  Data(DataType type, std::shared_ptr<Storage> storage):m_type(type) {}
+  DataType type() const { return m_type; }
+ private:
+  const DataType m_type;
+  std::shared_ptr<Storage> m_storage;
+ };
+
+}
+
+namespace GlobalData {
+
+ // variable of simple or struct type
+ class Element
+ {
+ private:
+  size_t size;
+  std::vector<uint8_t> data; // may be empty if uninitialized
+ };
+
+ class Segment: public std::vector<Element>
+ {
+ };
+
+}
-- 
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