finish function node.

Parser.y: rename 'context' to 'ctx' to avoid conflict in new version bison.

1 files changed, 28 insertions, 0 deletions

diff --git a/VariableList.hh b/VariableList.hh
new file mode 100644
index 0000000..cf622ee
--- /dev/null
+++ b/VariableList.hh
@@ -0,0 +1,28 @@
+#ifndef PCC_VARIABLELIST_HH
+#define PCC_VARIABLELIST_HH
+
+#include <memory>
+#include <string>
+#include <unordered_map>
+
+#include "Type.hh"
+
+namespace pcc {
+// type and value
+using Variable = std::pair<std::shared_ptr<Type>, Value>;
+// name and type
+using Declaration = std::pair<std::string, std::shared_ptr<Type>>;
+
+class VariableList {
+  public:
+    VariableList(VariableList* parent = nullptr);
+    Variable Find(const std::string& name);
+    void Add(std::string name, Variable variable);
+
+  protected:
+    std::unordered_map<std::string, Variable> variables_;
+    VariableList* parent_;
+};
+} // namespace pcc
+
+#endif // !PCC_VARIABLELIST_HH