From cdb6294f1f7db3172db369ad233d1009528d474e Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop@gmail.com>
Date: Sun, 6 Aug 2023 11:49:26 -0400
Subject: [PATCH] wip

---
 assets/parser.c.erb | 41 ++++++++++++++++++++++++++++-------------
 1 file changed, 28 insertions(+), 13 deletions(-)

diff --git a/assets/parser.c.erb b/assets/parser.c.erb
index 475e3ad..c9d4572 100644
--- a/assets/parser.c.erb
+++ b/assets/parser.c.erb
@@ -549,17 +549,17 @@ alias rule_id_t = <%= get_type_for(@grammar.rules.size) %>;
 alias shift_id_t = <%= get_type_for(@parser.shift_table.size) %>;
 
 /** Shift table entry. */
-struct shift_t
+typedef struct
 {
     /** Token or rule set ID. */
     symbol_id_t symbol_id;
 
     /** Parser state to shift to. */
     parser_state_id_t state_id;
-}
+} shift_t;
 
 /** Reduce table entry. */
-struct reduce_t
+typedef struct
 {
     /** Lookahead token. */
     <%= @grammar.prefix %>token_t token;
@@ -587,10 +587,10 @@ struct reduce_t
      * reduce action.
      */
     parser_state_id_t n_states;
-}
+} reduce_t;
 
 /** Parser state entry. */
-struct parser_state_t
+typedef struct
 {
     /** First shift table entry for this parser state. */
     shift_id_t shift_table_index;
@@ -603,26 +603,21 @@ struct parser_state_t
 
     /** Number of reduce table entries for this parser state. */
     reduce_id_t n_reduce_entries;
-}
+} parser_state_t;
 
 /**
  * Structure to hold a state ID and value pair.
  *
  * A stack of these structures makes up the parse stack.
  */
-struct state_value_t
+typedef struct
 {
     /** Parser state ID. */
     size_t state_id;
 
     /** Parser value from this state. */
     <%= @grammar.prefix %>value_t pvalue;
-
-    this(size_t state_id)
-    {
-        this.state_id = state_id;
-    }
-}
+} state_value_t;
 
 /** Parser shift table. */
 static immutable shift_t[] parser_shift_table = [
@@ -645,6 +640,26 @@ static immutable parser_state_t[] parser_state_table = [
 <%   end %>
 ];
 
+/* state_values linked list functionality */
+
+typedef struct state_values_list_entry_s
+{
+    /** State value object. */
+    state_value_t state_value;
+
+    /** Linked list previous entry. */
+    struct state_values_list_entry_s * prev;
+
+    /** Linked list next entry. */
+    struct state_values_list_entry_s * next;
+} state_values_list_entry_t;
+
+typedef struct
+{
+    size_t length;
+    state_values_list_entry_t * first;
+    state_values_list_entry_t * last;
+} state_values_list_t;
 /**
  * Execute user code associated with a parser rule.
  *