From 17040e32ec997c253ed1fd90a386ee7876440d02 Mon Sep 17 00:00:00 2001
From: Max Brunsfeld <maxbrunsfeld@gmail.com>
Date: Mon, 16 Jun 2014 13:25:30 -0700
Subject: [PATCH] Remove unused version of first_set function

---
 src/compiler/build_tables/first_set.cc | 13 -------------
 src/compiler/build_tables/first_set.h  |  7 -------
 2 files changed, 20 deletions(-)

diff --git a/src/compiler/build_tables/first_set.cc b/src/compiler/build_tables/first_set.cc
index 39558197..fcf2045f 100644
--- a/src/compiler/build_tables/first_set.cc
+++ b/src/compiler/build_tables/first_set.cc
@@ -57,18 +57,5 @@ namespace tree_sitter {
         set<Symbol> first_set(const rules::rule_ptr &rule, const PreparedGrammar &grammar) {
             return FirstSet(&grammar).apply(rule);
         }
-
-        set<Symbol> first_set(const ParseItemSet &item_set, const PreparedGrammar &grammar) {
-            set<Symbol> result;
-            for (const auto &pair : item_set) {
-                const auto &item = pair.first;
-                const auto &lookahead_symbols = pair.second;
-                const auto &rule_set = first_set(item.rule, grammar);
-                result.insert(rule_set.begin(), rule_set.end());
-                if (rule_can_be_blank(item.rule, grammar))
-                    result.insert(lookahead_symbols.begin(), lookahead_symbols.end());
-            }
-            return result;
-        }
     }
 }
diff --git a/src/compiler/build_tables/first_set.h b/src/compiler/build_tables/first_set.h
index b816e8d8..1011bf02 100644
--- a/src/compiler/build_tables/first_set.h
+++ b/src/compiler/build_tables/first_set.h
@@ -17,13 +17,6 @@ namespace tree_sitter {
          */
         std::set<rules::Symbol>
         first_set(const rules::rule_ptr &rule, const PreparedGrammar &grammar);
-
-        /*
-         *  Returns the set of terminal symbols that can appear at
-         *  the beginning of any item in the given set.
-         */
-        std::set<rules::Symbol>
-        first_set(const ParseItemSet &item_set, const PreparedGrammar &grammar);
     }
 }