From 10a8ef5eb4a03b1506adf77647761e728034ece5 Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop@gmail.com>
Date: Sat, 26 Jun 2021 15:58:36 -0400
Subject: [PATCH] Update generated lexer state and transition tables

---
 assets/parser.d.erb | 26 ++++++++++++--------------
 1 file changed, 12 insertions(+), 14 deletions(-)

diff --git a/assets/parser.d.erb b/assets/parser.d.erb
index 3e5ca79..a376f1c 100644
--- a/assets/parser.d.erb
+++ b/assets/parser.d.erb
@@ -20,23 +20,21 @@ class <%= classname %>
 
     private struct LexerState
     {
-        Transition[] transitions;
-        size_t accepts;
+        uint transition_table_index;
+        uint n_transitions;
+        uint accepts;
     }
 
+<% transition_table, state_table = lexer_dfa.build_tables %>
+    private static const Transition transitions[] = [
+<% transition_table.each do |transition_table_entry| %>
+        Transition(<%= transition_table_entry[:first] %>, <%= transition_table_entry[:last] %>, <%= transition_table_entry[:destination] %>),
+<% end %>
+    ];
+
     private static const LexerState lexer_states[] = [
-<% lexer_dfa.enumerate.each do |state, index| %>
-        LexerState([
-<%   state.transitions.each do |transition| %>
-                Transition(<%= transition.code_point_range.first %>, <%= transition.code_point_range.last %>, <%= lexer_dfa.enumerate[transition.destination] %>),
-<%   end %>
-            ],
-<%   if state.accepts %>
-            <%= state.accepts.id %>,
-<%   else %>
-            cast(size_t)-1,
-<%   end %>
-            ),
+<% state_table.each do |state_table_entry| %>
+        LexerState(<%= state_table_entry[:transition_table_index] %>, <%= state_table_entry[:n_transitions] %>, <%= state_table_entry[:accepts] %>),
 <% end %>
     ];
 }