Produced a label for bad exit only if needed.

git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@561 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a

3 files changed, 23 insertions, 15 deletions

diff --git a/tools/d2c/spec.c b/tools/d2c/spec.c
index 7d65cab..cf1a066 100644
--- a/tools/d2c/spec.c
+++ b/tools/d2c/spec.c
@@ -266,7 +266,8 @@ bool write_encoding_spec_disass(const encoding_spec *spec, int fd, const char *a
 {
     bool result;                            /* Bilan à retourner           */
     char *keyword;                          /* Mot clef appelable en code  */
-    bool exit;                              /* Inclusion de sortie rapide ?*/
+    bool quick_exit;                        /* Inclusion de sortie rapide ?*/
+    bool bad_exit;                          /* Ajout d'une sortie d'échec ?*/
     const char *new_ins;                    /* Nouvelle définition de nom  */
 
     result = true;
@@ -304,13 +305,13 @@ bool write_encoding_spec_disass(const encoding_spec *spec, int fd, const char *a
 
     /* Inclusion des éventuelles règles */
 
-    exit = false;
+    quick_exit = false;
 
     result &= write_decoding_rules(spec->rules, CAT_SEE,
-                                   fd, arch, subarch, spec->bits, spec->conversions, pp, &exit);
+                                   fd, arch, subarch, spec->bits, spec->conversions, pp, &quick_exit);
 
     result &= write_decoding_rules(spec->rules, CAT_UNPREDICTABLE,
-                                   fd, arch, subarch, spec->bits, spec->conversions, pp, &exit);
+                                   fd, arch, subarch, spec->bits, spec->conversions, pp, &quick_exit);
 
     /* Création de l'instruction en elle-même */
 
@@ -325,18 +326,20 @@ bool write_encoding_spec_disass(const encoding_spec *spec, int fd, const char *a
     result &= write_hook_functions(spec->hooks, fd);
 
     result &= write_decoding_rules(spec->rules, CAT_CHECKED_CALL,
-                                   fd, arch, subarch, spec->bits, spec->conversions, pp, &exit);
+                                   fd, arch, subarch, spec->bits, spec->conversions, pp, &quick_exit);
 
     result &= write_decoding_rules(spec->rules, CAT_CALL,
-                                   fd, arch, subarch, spec->bits, spec->conversions, pp, &exit);
+                                   fd, arch, subarch, spec->bits, spec->conversions, pp, &quick_exit);
 
     /* Création des opérandes */
 
-    result &= define_syntax_items(spec->syntax, fd, arch, spec->bits, spec->conversions, pp);
+    bad_exit = false;
+
+    result &= define_syntax_items(spec->syntax, fd, arch, spec->bits, spec->conversions, pp, &bad_exit);
 
     /* Conclusion de la procédure */
 
-    if (exit)
+    if (quick_exit)
     {
         dprintf(fd, "\t quick_exit:\n");
         dprintf(fd, "\n");
@@ -346,14 +349,17 @@ bool write_encoding_spec_disass(const encoding_spec *spec, int fd, const char *a
 
     dprintf(fd, "\n");
 
-    dprintf(fd, "\t bad_exit:\n");
+    if (bad_exit)
+    {
+        dprintf(fd, "\t bad_exit:\n");
+        dprintf(fd, "\n");
 
-    dprintf(fd, "\n");
+        dprintf(fd, "\t\tg_object_unref(G_OBJECT(instr));\n");
+        dprintf(fd, "\t\treturn NULL;\n");
 
-    dprintf(fd, "\t\tg_object_unref(G_OBJECT(instr));\n");
-    dprintf(fd, "\t\treturn NULL;\n");
+        dprintf(fd, "\n");
 
-    dprintf(fd, "\n");
+    }
 
     dprintf(fd, "\t}\n");
 
diff --git a/tools/d2c/syntax.c b/tools/d2c/syntax.c
index 14d13d9..2dad772 100644
--- a/tools/d2c/syntax.c
+++ b/tools/d2c/syntax.c
@@ -301,6 +301,7 @@ const char *get_new_keyword_from_syntax_items(const asm_syntax *syntax)
 *                bits   = gestionnaire des bits d'encodage.                   *
 *                list   = liste de l'ensemble des fonctions de conversion.    *
 *                pp     = pré-processeur pour les échanges de chaînes.        *
+*                exit   = exprime le besoin d'une voie de sortie. [OUT]       *
 *                                                                             *
 *  Description : Définit les variables C associées aux opérandes de syntaxe.  *
 *                                                                             *
@@ -310,7 +311,7 @@ const char *get_new_keyword_from_syntax_items(const asm_syntax *syntax)
 *                                                                             *
 ******************************************************************************/
 
-bool define_syntax_items(const asm_syntax *syntax, int fd, const char *arch, const coding_bits *bits, const conv_list *list, const pre_processor *pp)
+bool define_syntax_items(const asm_syntax *syntax, int fd, const char *arch, const coding_bits *bits, const conv_list *list, const pre_processor *pp, bool *exit)
 {
     bool result;                            /* Bilan à retourner           */
     size_t i;                               /* Boucle de parcours          */
@@ -370,6 +371,7 @@ bool define_syntax_items(const asm_syntax *syntax, int fd, const char *arch, con
 
                 }
 
+                *exit = true;
                 break;
 
         }
diff --git a/tools/d2c/syntax.h b/tools/d2c/syntax.h
index fc7cc6b..70b3609 100644
--- a/tools/d2c/syntax.h
+++ b/tools/d2c/syntax.h
@@ -66,7 +66,7 @@ bool declare_syntax_items(const asm_syntax *, int, const coding_bits *, const co
 const char *get_new_keyword_from_syntax_items(const asm_syntax *);
 
 /* Définit les variables C associées aux opérandes de syntaxe. */
-bool define_syntax_items(const asm_syntax *, int, const char *, const coding_bits *, const conv_list *, const pre_processor *);
+bool define_syntax_items(const asm_syntax *, int, const char *, const coding_bits *, const conv_list *, const pre_processor *, bool *);