From cf46fd449bd2b7a6ff41ac174c46af5ac41eb509 Mon Sep 17 00:00:00 2001
From: jaortega <jaortega>
Date: Sat, 18 Nov 2000 12:04:24 +0000
Subject: fixed 3H ORIG 3B problem (samples/stress{1,2}.mixal)

---
 mixlib/mix_parser.c  |  7 ++++---
 mixlib/mix_scanner.l | 43 ++++++++++++++++++++++++++++++++++---------
 mixlib/xmix_parser.h |  7 ++++++-
 3 files changed, 44 insertions(+), 13 deletions(-)

(limited to 'mixlib')

diff --git a/mixlib/mix_parser.c b/mixlib/mix_parser.c
index 82dd692..1b876ad 100644
--- a/mixlib/mix_parser.c
+++ b/mixlib/mix_parser.c
@@ -442,7 +442,8 @@ mix_parser_set_future_ref (mix_parser_t *parser, const gchar *name)
 
 /* Redefine the value of a local symbol as the current loc_count */
 void
-mix_parser_manage_local_symbol (mix_parser_t *parser, const gchar *name)
+mix_parser_manage_local_symbol (mix_parser_t *parser, const gchar *name,
+				mix_short_t value)
 {
   gchar ref[3];
   ref[2] = 0;
@@ -459,10 +460,10 @@ mix_parser_manage_local_symbol (mix_parser_t *parser, const gchar *name)
       ref[0] = name[0];
       ref[1] = 'F';
       if ( parser->status == MIX_PERR_NOCOMP ) 
-	update_future_refs_ (parser, ref);
+	update_future_refs_value_ (parser, ref, value);
       ref[1] = 'B';
       mix_symbol_table_insert (parser->symbol_table, ref, 
-			       mix_short_to_word_fast (parser->loc_count));
+			       mix_short_to_word_fast (value));
       break;
     default:
       return;
diff --git a/mixlib/mix_scanner.l b/mixlib/mix_scanner.l
index c6ed5d8..c5529da 100644
--- a/mixlib/mix_scanner.l
+++ b/mixlib/mix_scanner.l
@@ -37,20 +37,28 @@
        g_free (symbol);				\
        symbol = NULL;				\
      }						\
+    if (lsymbol != NULL)			\
+     {						\
+       g_free (lsymbol);			\
+       lsymbol = NULL;				\
+     }                       			\
   } while (FALSE)
 
-#define NEXT()				\
-  do {						\
-    parser->loc_count++;			\
-    RESET ();					\
-    ++lineno;					\
-    BEGIN (INITIAL);				\
+#define NEXT()						\
+  do {							\
+    if (lsymbol != NULL)				\
+       mix_parser_manage_local_symbol (parser,lsymbol,  \
+				       loc);    	\
+    parser->loc_count++;				\
+    RESET ();						\
+    ++lineno;						\
+    BEGIN (INITIAL);					\
   } while (FALSE)
 
 #define ADD_INS()				\
   do {						\
     mix_parser_add_ins (parser, &ins, lineno);	\
-    NEXT ();	               			\
+    NEXT ();					\
   } while (FALSE)
 
 #define ADD_RAW(value)				\
@@ -140,7 +148,8 @@ wexpr   {expr}({fpart})?(,{expr}({fpart})?)*
   gboolean nof = FALSE, is_fp = FALSE, end = FALSE, lsf = FALSE;
   mix_word_t expr_val = MIX_WORD_ZERO, wexpr_val = MIX_WORD_ZERO,
   wexpr_val_tmp = MIX_WORD_ZERO;
-  gchar *symbol = NULL;
+  gchar *symbol = NULL, *lsymbol = NULL;
+  mix_address_t loc = MIX_SHORT_ZERO;
   guint lineno = 1;
   mix_ins_fill_from_id (ins, mix_NOP);		
   ins.address = 0;				
@@ -172,9 +181,25 @@ wexpr   {expr}({fpart})?(,{expr}({fpart})?)*
 <LOC>{
   {ws}+	BEGIN (OP); /* LOC field is empty */
   {locsymbol} { /* manage local symbol */
-    mix_parser_manage_local_symbol (parser,yytext);
+    loc = get_ploc_ (parser);
+    lsymbol = g_strdup (yytext);
+    if ( lsymbol == NULL ) {
+      mix_parser_log_error (parser, MIX_PERR_INTERNAL, lineno, NULL, FALSE);
+      return MIX_PERR_INTERNAL;
+    }
     BEGIN (OP);
   }
+  {locsymbol}/({ws}+EQU) {/* local symbol with value */
+    loc = get_ploc_ (parser);
+    symbol = g_strdup (yytext);
+    lsymbol = g_strdup (yytext);
+    if ( symbol == NULL || lsymbol == NULL) {
+      mix_parser_log_error (parser, MIX_PERR_INTERNAL, lineno, NULL, FALSE);
+      return MIX_PERR_INTERNAL;
+    }
+    symbol[1] = 'B'; /* this will be referred as nB afterwards */
+    BEGIN (OP);
+  }    
   {flocsymbol}|{blocsymbol} RETURN_ERROR (MIX_PERR_UNEX_LOC, yytext);
   {symbol}/({ws}+EQU) { /* store symbol name for future definition */
     symbol = g_strdup (yytext);
diff --git a/mixlib/xmix_parser.h b/mixlib/xmix_parser.h
index bbcd108..2584be7 100644
--- a/mixlib/xmix_parser.h
+++ b/mixlib/xmix_parser.h
@@ -56,6 +56,10 @@ typedef struct ins_node_
 
 
 /* functions to manipulate mix_parser_t during compilation */
+
+/* access loc counter */
+#define get_ploc_(parser) ((parser)->loc_count)
+
 /* symbol table */
 /* Define a new symbol with given value 
  * and update previously set refs to this symbol 
@@ -76,7 +80,8 @@ mix_parser_set_future_ref(mix_parser_t *parser, const gchar *name);
 
 /* Redefine the value of a local symbol as the current loc_count */
 extern void
-mix_parser_manage_local_symbol(mix_parser_t *parser, const gchar *name);
+mix_parser_manage_local_symbol(mix_parser_t *parser, const gchar *name,
+			       mix_short_t value);
 
 /* Literal strings symbols */
 extern void
-- 
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