From 19ff8d01066f592e66d4c062eb809c8a98f8145b Mon Sep 17 00:00:00 2001
From: jaortega <jaortega>
Date: Tue, 7 Nov 2000 04:32:23 +0000
Subject: fixed bug with future EQU symbol refs (pking)

---
 mixlib/mix_parser.c  | 19 +++++++++++++++----
 mixlib/mix_scanner.l |  4 ++--
 mixlib/xmix_parser.h |  6 ++++++
 3 files changed, 23 insertions(+), 6 deletions(-)

(limited to 'mixlib')

diff --git a/mixlib/mix_parser.c b/mixlib/mix_parser.c
index 74317ac..36d5b3a 100644
--- a/mixlib/mix_parser.c
+++ b/mixlib/mix_parser.c
@@ -192,12 +192,14 @@ undef_warning_ (gpointer symbol, gpointer value, gpointer data)
 }
 
 static void
-update_future_refs_ (mix_parser_t *parser, const gchar *name)
+update_future_refs_value_ (mix_parser_t *parser, const gchar *name,
+			   mix_short_t value)
 {
   GSList *list = NULL;
   gpointer key;
   
   g_assert (parser != NULL && name != NULL);
+  printf ("Updating future %s\n", name);
   
   if ( g_hash_table_lookup_extended (parser->future_refs, name, &key, 
 				     (gpointer *)&list) )
@@ -209,7 +211,7 @@ update_future_refs_ (mix_parser_t *parser, const gchar *name)
 	  node = 
 	    (ins_node_ *)g_tree_lookup (parser->ins_table,tmp->data);
 	  g_assert (node);
-	  mix_word_set_address (node->ins, parser->loc_count);
+	  mix_word_set_address (node->ins, value);
 	  g_tree_insert (parser->ins_table, tmp->data, (gpointer)node);
 	  tmp = g_slist_next (tmp);
 	}
@@ -219,6 +221,9 @@ update_future_refs_ (mix_parser_t *parser, const gchar *name)
     }
 }
 
+#define update_future_refs_(parser,name) \
+  update_future_refs_value_(parser, name, (parser)->loc_count);
+
 static void
 update_ls_ (gpointer symbol, gpointer value, gpointer parser)
 { /* add an instruction on current location and update refs to it */
@@ -392,14 +397,20 @@ mix_parser_err_t
 mix_parser_define_symbol_here (mix_parser_t *parser, const gchar *name)
 {
   mix_word_t value = mix_short_to_word_fast (parser->loc_count);
-  
+  return mix_parser_define_symbol_value (parser, name, value);
+}
+
+mix_parser_err_t
+mix_parser_define_symbol_value (mix_parser_t *parser, const gchar *name,
+				mix_word_t value)
+{
   g_assert (parser != NULL && name != NULL);  
   
   switch (mix_symbol_table_add (parser->symbol_table, name, value))
     {
     case MIX_SYM_OK: 
       if ( parser->status == MIX_PERR_NOCOMP ) 
-	update_future_refs_ (parser, name);
+	update_future_refs_value_ (parser, name, value);
       return MIX_PERR_OK;
     case MIX_SYM_LONG: return MIX_PERR_LONG_SYMBOL;
     case MIX_SYM_DUP: return MIX_PERR_DUP_SYMBOL;
diff --git a/mixlib/mix_scanner.l b/mixlib/mix_scanner.l
index f740d10..b1d4a13 100644
--- a/mixlib/mix_scanner.l
+++ b/mixlib/mix_scanner.l
@@ -176,7 +176,7 @@ wexpr   {expr}({fpart})?(,{expr}({fpart})?)*
     BEGIN (OP);
   }
   {flocsymbol}|{blocsymbol} RETURN_ERROR (MIX_PERR_UNEX_LOC, yytext);
-  {symbol}/{ws}+EQU { /* store symbol name for future definition */
+  {symbol}/({ws}+EQU) { /* store symbol name for future definition */
     symbol = g_strdup (yytext);
     if ( symbol == NULL ) {
       mix_parser_log_error (parser, MIX_PERR_INTERNAL, lineno, NULL, FALSE);
@@ -263,7 +263,7 @@ wexpr   {expr}({fpart})?(,{expr}({fpart})?)*
     gint def;
     if ( symbol == NULL ) RETURN_ERROR (MIX_PERR_MIS_SYM, NULL);
     value = mix_word_new (atol (yytext));
-    def = mix_symbol_table_add (parser->symbol_table, symbol, value);
+    def = mix_parser_define_symbol_value (parser, symbol, value);
     if ( def == MIX_SYM_DUP )  RETURN_ERROR (MIX_PERR_DUP_SYMBOL, symbol);
     if ( def == MIX_SYM_LONG )  RETURN_ERROR (MIX_PERR_LONG_SYMBOL, symbol);
     ++lineno;
diff --git a/mixlib/xmix_parser.h b/mixlib/xmix_parser.h
index fee385c..bbcd108 100644
--- a/mixlib/xmix_parser.h
+++ b/mixlib/xmix_parser.h
@@ -57,6 +57,12 @@ typedef struct ins_node_
 
 /* functions to manipulate mix_parser_t during compilation */
 /* symbol table */
+/* Define a new symbol with given value 
+ * and update previously set refs to this symbol 
+ */
+extern mix_parser_err_t
+mix_parser_define_symbol_value (mix_parser_t *parser, const gchar *name,
+				mix_word_t value);
 
 /* Define a new symbol with value equal to the current loc_count 
  * and update previously set refs to this symbol 
-- 
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