Parse variable declarations

source/driver.cpp

@@ -0,0 +1,38 @@
+#include "elna/source/driver.hpp"
+
+namespace elna::source
+{
+    position make_position(const yy::location& location)
+    {
+        return position{
+            static_cast<std::size_t>(location.begin.line),
+            static_cast<std::size_t>(location.begin.column)
+        };
+    }
+
+    syntax_error::syntax_error(const std::string& message,
+            const std::filesystem::path& input_file, const yy::location& location)
+        : error(input_file, make_position(location)), message(message)
+    {
+    }
+
+    std::string syntax_error::what() const
+    {
+        return message;
+    }
+
+    driver::driver(const std::filesystem::path& input_file)
+        : input_file(input_file)
+    {
+    }
+
+    void driver::error(const yy::location& loc, const std::string& message)
+    {
+        m_errors.emplace_back(std::make_unique<elna::source::syntax_error>(message, input_file, loc));
+    }
+
+    const std::list<std::unique_ptr<struct error>>& driver::errors() const noexcept
+    {
+        return m_errors;
+    }
+}