From 9f0aa0b06666dc99515a4250085b31f0efa81af8 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Sat, 11 Sep 2021 17:16:51 +0800
Subject: ...

---
 src/parse/Grammar.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/parse/Grammar.cpp')

diff --git a/src/parse/Grammar.cpp b/src/parse/Grammar.cpp
index 5486542b..8253c3c3 100644
--- a/src/parse/Grammar.cpp
+++ b/src/parse/Grammar.cpp
@@ -112,4 +112,14 @@ Grammar* Grammar::Clone() const {
   return g;
 }
 
+std::unordered_map<Nonterminal*, std::vector<Production*>>
+Grammar::GenerateLeftProductionMap() const {
+  std::unordered_map<Nonterminal*, std::vector<Production*>> result;
+  for (auto p : productions_) {
+    result[p->GetLeft()].push_back(p);
+  }
+  return result;
+}
+
+void Grammar::EliminateLeftRecursions() {}
 }  // namespace cru::parse
-- 
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