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1 files changed, 28 insertions, 0 deletions

diff --git a/include/cru/parse/ParsingAlgorithmContext.h b/include/cru/parse/ParsingAlgorithmContext.h
new file mode 100644
index 00000000..fe46c4d2
--- /dev/null
+++ b/include/cru/parse/ParsingAlgorithmContext.h
@@ -0,0 +1,28 @@
+#pragma once
+#include <vector>
+#include "Grammar.h"
+#include "cru/parse/ParsingTreeNode.h"
+#include "cru/parse/Terminal.h"
+
+namespace cru::parse {
+class ParsingAlgorithm;
+
+// A parsing algorithm context contains all data a parsing algorithm needs to
+// parse for a grammar. It does not relate to any input. For example, it can
+// contain any state machine.
+class CRU_PARSE_API ParsingAlgorithmContext {
+ public:
+  ParsingAlgorithmContext(Grammar* grammar, const ParsingAlgorithm* algorithm);
+
+  CRU_DELETE_COPY(ParsingAlgorithmContext)
+  CRU_DELETE_MOVE(ParsingAlgorithmContext)
+
+  virtual ~ParsingAlgorithmContext();
+
+  virtual ParsingTreeNode* Parse(const std::vector<Terminal*>& input) = 0;
+
+ private:
+  Grammar* grammar_;
+  const ParsingAlgorithm* algorithm_;
+};
+}  // namespace cru::parse