1 files changed, 60 insertions, 0 deletions
diff --git a/flowgraph/graph.cpp b/flowgraph/graph.cpp
index e8b6b5e..6398c68 100644
--- a/flowgraph/graph.cpp
+++ b/flowgraph/graph.cpp
@@ -1 +1,61 @@
 #include "graph.h"
+
+#include "minicc.h"
+#include "node.h"
+
+#include <string>
+
+using namespace std::string_literals;
+
+FlowGraph::Graph::Graph()
+{
+}
+
+FlowGraph::Graph::Graph(const std::deque<std::shared_ptr<Node>>& nodes): std::deque<std::shared_ptr<Node>>(nodes)
+{
+ auto createLocalScope {std::make_shared<FlowGraph::CreateScopeOp>()};
+ this->push_front(createLocalScope);
+
+ auto destroyLocalScope {std::make_shared<FlowGraph::DestroyScopeOp>(createLocalScope->scope())};
+ this->push_back(destroyLocalScope);
+}
+
+FlowGraph::Graph::~Graph()
+{
+}
+
+// Assume first node of graph to be CreateScopeOp
+FlowGraph::LocalScope& FlowGraph::Graph::scope() const
+{
+ if (this->empty())
+  throw std::runtime_error("ICE: FlowGraph expected to be non-empty!");
+
+ auto& front_deref {*front()};
+
+ if (typeid(front_deref) != typeid(FlowGraph::CreateScopeOp))
+  throw std::runtime_error("ICE: Bad type of first graph element: "s + demangle(typeid(front_deref)));
+
+ FlowGraph::CreateScopeOp& createScope {dynamic_cast<FlowGraph::CreateScopeOp&>(front_deref)};
+
+ return createScope.scope();
+}
+
+void FlowGraph::Graph::append(const FlowGraph::Graph& other)
+{
+ this->insert(this->end() - 1, other.begin() + 1, other.end() - 1);
+
+ this->scope().append(other.scope());
+}
+
+void FlowGraph::Graph::append(std::shared_ptr<Node> node)
+{
+ this->insert(this->end() - 1, node);
+}
+
+std::shared_ptr<FlowGraph::Node> FlowGraph::Graph::lastOp() const
+{
+ if (size() >= 3)
+  return *(end() - 2);
+
+ throw std::runtime_error("ICE: No last operation found in graph");
+}