X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/cb9ec4fada480554cf47810fee736997d64e7427..0fe9720964da510a2b359af390a3053aace65f9f:/src/muscle-tab.c

diff --git a/src/muscle-tab.c b/src/muscle-tab.c
index bb54bed7..86363f50 100644
--- a/src/muscle-tab.c
+++ b/src/muscle-tab.c
@@ -157,12 +157,9 @@ muscle_grow (const char *key, const char *val, const char *separator)
     {
       /* Grow the current value. */
       char *new_val;
-      obstack_sgrow (&muscle_obstack, entry->value);
+      obstack_printf (&muscle_obstack, "%s%s%s", entry->value, separator, val);
       free (entry->storage);
-      obstack_sgrow (&muscle_obstack, separator);
-      obstack_sgrow (&muscle_obstack, val);
-      obstack_1grow (&muscle_obstack, 0);
-      new_val = obstack_finish (&muscle_obstack);
+      new_val = obstack_finish0 (&muscle_obstack);
       entry->value = entry->storage = xstrdup (new_val);
       obstack_free (&muscle_obstack, new_val);
     }
@@ -181,8 +178,7 @@ muscle_syncline_grow (char const *key, location loc)
   obstack_quote (&muscle_obstack,
                  quotearg_style (c_quoting_style, loc.start.file));
   obstack_sgrow (&muscle_obstack, ")[");
-  obstack_1grow (&muscle_obstack, 0);
-  extension = obstack_finish (&muscle_obstack);
+  extension = obstack_finish0 (&muscle_obstack);
   muscle_grow (key, extension, "");
   obstack_free (&muscle_obstack, extension);
 }
@@ -210,8 +206,7 @@ void muscle_pair_list_grow (const char *muscle,
   obstack_sgrow (&muscle_obstack, ", ");
   obstack_quote (&muscle_obstack, a2);
   obstack_sgrow (&muscle_obstack, "]");
-  obstack_1grow (&muscle_obstack, 0);
-  pair = obstack_finish (&muscle_obstack);
+  pair = obstack_finish0 (&muscle_obstack);
   muscle_grow (muscle, pair, ",\n");
   obstack_free (&muscle_obstack, pair);
 }
@@ -268,13 +263,8 @@ muscle_boundary_grow (char const *key, boundary bound)
   char *extension;
   obstack_sgrow  (&muscle_obstack, "[[");
   obstack_escape (&muscle_obstack, bound.file);
-  obstack_1grow (&muscle_obstack, ':');
-  obstack_printf (&muscle_obstack, "%d", bound.line);
-  obstack_1grow (&muscle_obstack, '.');
-  obstack_printf (&muscle_obstack, "%d", bound.column);
-  obstack_sgrow  (&muscle_obstack, "]]");
-  obstack_1grow (&muscle_obstack, '\0');
-  extension = obstack_finish (&muscle_obstack);
+  obstack_printf (&muscle_obstack, ":%d.%d]]", bound.line, bound.column);
+  extension = obstack_finish0 (&muscle_obstack);
   muscle_grow (key, extension, "");
   obstack_free (&muscle_obstack, extension);
 }
@@ -315,11 +305,10 @@ muscle_location_grow (char const *key, location loc)
 static char *
 string_decode (char const *key)
 {
-  char const *value;
+  char const *value = muscle_find_const (key);
   char *value_decoded;
   char *result;
 
-  value = muscle_find_const (key);
   if (!value)
     return NULL;
   do {
@@ -358,8 +347,7 @@ location_decode (char const *key)
           {
             char *boundary_str;
             aver (*++value == ']');
-            obstack_1grow (&muscle_obstack, '\0');
-            boundary_str = obstack_finish (&muscle_obstack);
+            boundary_str = obstack_finish0 (&muscle_obstack);
             switch (*++value)
               {
                 case ',':
@@ -400,7 +388,7 @@ muscle_user_name_list_grow (char const *key, char const *user_name,
  * otherwise \a variable. */
 static
 char const *
-muscle_percent_variable_update (char const *variable)
+muscle_percent_variable_update (char const *variable, location variable_loc)
 {
   typedef struct
   {
@@ -410,47 +398,55 @@ muscle_percent_variable_update (char const *variable)
   const conversion_type conversion[] =
     {
       { "api.push_pull", "api.push-pull", },
-      { "lr.keep_unreachable_states", "lr.keep-unreachable-states", },
+      { "api.tokens.prefix", "api.token.prefix", },
+      { "lex_symbol", "api.token.constructor", },
+      { "location_type", "api.location.type", },
+      { "lr.default-reductions", "lr.default-reduction", },
+      { "lr.keep-unreachable-states", "lr.keep-unreachable-state", },
+      { "lr.keep_unreachable_states", "lr.keep-unreachable-state", },
       { "namespace", "api.namespace", },
     };
+  char const *res = variable;
   int i;
-  for (i = 0; i < sizeof conversion / sizeof *conversion; ++i)
+  for (i = 0; i < ARRAY_CARDINALITY (conversion); ++i)
     if (STREQ (conversion[i].obsolete, variable))
-      return conversion[i].updated;
-  return variable;
+      {
+        res = conversion[i].updated;
+        complain (&variable_loc, Wdeprecated,
+                  _("deprecated %%define variable name: %s, use %s"),
+                  quote (variable), quote_n (1, res));
+        break;
+      }
+  return res;
 }
 
 void
-muscle_percent_define_insert (char const *variable, location variable_loc,
+muscle_percent_define_insert (char const *var, location variable_loc,
                               char const *value,
                               muscle_percent_define_how how)
 {
-  char const *name;
-  char const *loc_name;
-  char const *syncline_name;
-  char const *how_name;
-
-  /* Permit certain names with underscores for backward compatibility.  */
-  variable = muscle_percent_variable_update (variable);
-
-  name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
-  loc_name = UNIQSTR_CONCAT ("percent_define_loc(", variable, ")");
-  syncline_name =
+  /* Backward compatibility.  */
+  char const *variable = muscle_percent_variable_update (var, variable_loc);
+  char const *name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
+  char const *loc_name = UNIQSTR_CONCAT ("percent_define_loc(", variable, ")");
+  char const *syncline_name =
     UNIQSTR_CONCAT ("percent_define_syncline(", variable, ")");
-  how_name = UNIQSTR_CONCAT ("percent_define_how(", variable, ")");
+  char const *how_name = UNIQSTR_CONCAT ("percent_define_how(", variable, ")");
 
   /* Command-line options are processed before the grammar file.  */
   if (how == MUSCLE_PERCENT_DEFINE_GRAMMAR_FILE
       && muscle_find_const (name))
     {
-      muscle_percent_define_how how_old =
-        atoi (muscle_find_const (how_name));
+      muscle_percent_define_how how_old = atoi (muscle_find_const (how_name));
+      unsigned i = 0;
       if (how_old == MUSCLE_PERCENT_DEFINE_F)
         return;
-      complain_at (variable_loc, complaint, _("%%define variable %s redefined"),
-                   quote (variable));
+      complain_indent (&variable_loc, complaint, &i,
+                       _("%%define variable %s redefined"),
+                       quote (variable));
+      i += SUB_INDENT;
       location loc = muscle_percent_define_get_loc (variable);
-      complain_at (loc, complaint, _("previous definition"));
+      complain_indent (&loc, complaint, &i, _("previous definition"));
     }
 
   MUSCLE_INSERT_STRING (name, value);
@@ -470,8 +466,7 @@ muscle_percent_define_ensure (char const *variable, location loc,
                               bool value)
 {
   char const *val = value ? "" : "false";
-  char const *name;
-  name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
+  char const *name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
 
   /* %pure-parser is deprecated in favor of `%define api.pure', so use
      `%define api.pure' in a backward-compatible manner here.  First,
@@ -490,58 +485,46 @@ muscle_percent_define_ensure (char const *variable, location loc,
 char *
 muscle_percent_define_get (char const *variable)
 {
-  char const *name;
-  char const *usage_name;
-  char *value;
-
-  name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
-  usage_name = UNIQSTR_CONCAT ("percent_define_bison_variables(",
-                               variable, ")");
-
-  muscle_insert (usage_name, "");
-  value = string_decode (name);
+  char const *name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
+  char const *usage_name =
+    UNIQSTR_CONCAT ("percent_define_bison_variables(", variable, ")");
+  char *value = string_decode (name);
   if (!value)
     value = xstrdup ("");
+
+  muscle_insert (usage_name, "");
   return value;
 }
 
 location
 muscle_percent_define_get_loc (char const *variable)
 {
-  char const *loc_name;
-  loc_name = UNIQSTR_CONCAT ("percent_define_loc(", variable, ")");
+  char const *loc_name = UNIQSTR_CONCAT ("percent_define_loc(", variable, ")");
   if (!muscle_find_const (loc_name))
-    complain (fatal, _("%s: undefined %%define variable %s"),
-          "muscle_percent_define_get_loc", quote (variable));
+    complain (NULL, fatal, _("%s: undefined %%define variable %s"),
+              "muscle_percent_define_get_loc", quote (variable));
   return location_decode (loc_name);
 }
 
 char const *
 muscle_percent_define_get_syncline (char const *variable)
 {
-  char const *syncline_name;
-  char const *syncline;
-  syncline_name =
+  char const *syncline_name =
     UNIQSTR_CONCAT ("percent_define_syncline(", variable, ")");
-  syncline = muscle_find_const (syncline_name);
+  char const *syncline = muscle_find_const (syncline_name);
   if (!syncline)
-    complain (fatal, _("%s: undefined %%define variable %s"),
-          "muscle_percent_define_get_syncline", quote (variable));
+    complain (NULL, fatal, _("%s: undefined %%define variable %s"),
+              "muscle_percent_define_get_syncline", quote (variable));
   return syncline;
 }
 
 bool
 muscle_percent_define_ifdef (char const *variable)
 {
-  char const *name;
-  char const *usage_name;
-  char const *value;
-
-  name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
-  usage_name =
+  char const *name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
+  char const *usage_name =
     UNIQSTR_CONCAT ("percent_define_bison_variables(", variable, ")");
-
-  value = muscle_find_const (name);
+  char const *value = muscle_find_const (name);
   if (value)
     {
       muscle_insert (usage_name, "");
@@ -554,11 +537,9 @@ muscle_percent_define_ifdef (char const *variable)
 bool
 muscle_percent_define_flag_if (char const *variable)
 {
-  char const *invalid_boolean_name;
-  bool result = false;
-
-  invalid_boolean_name =
+  char const *invalid_boolean_name =
     UNIQSTR_CONCAT ("percent_define_invalid_boolean(", variable, ")");
+  bool result = false;
 
   if (muscle_percent_define_ifdef (variable))
     {
@@ -571,14 +552,14 @@ muscle_percent_define_flag_if (char const *variable)
         {
           muscle_insert (invalid_boolean_name, "");
           location loc = muscle_percent_define_get_loc (variable);
-          complain_at (loc, complaint,
-                       _("invalid value for %%define Boolean variable %s"),
-                       quote (variable));
+          complain (&loc, complaint,
+                    _("invalid value for %%define Boolean variable %s"),
+                    quote (variable));
         }
       free (value);
     }
   else
-    complain (fatal, _("%s: undefined %%define variable %s"),
+    complain (NULL, fatal, _("%s: undefined %%define variable %s"),
               "muscle_percent_define_flag", quote (variable));
 
   return result;
@@ -587,12 +568,9 @@ muscle_percent_define_flag_if (char const *variable)
 void
 muscle_percent_define_default (char const *variable, char const *value)
 {
-  char const *name;
-  char const *loc_name;
-  char const *syncline_name;
-  name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
-  loc_name = UNIQSTR_CONCAT ("percent_define_loc(", variable, ")");
-  syncline_name =
+  char const *name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
+  char const *loc_name = UNIQSTR_CONCAT ("percent_define_loc(", variable, ")");
+  char const *syncline_name =
     UNIQSTR_CONCAT ("percent_define_syncline(", variable, ")");
   if (!muscle_find_const (name))
     {
@@ -613,12 +591,8 @@ muscle_percent_define_check_values (char const * const *values)
   for (; *values; ++values)
     {
       char const * const *variablep = values;
-      char const *name;
-      char *value;
-
-      name = UNIQSTR_CONCAT ("percent_define(", *variablep, ")");
-
-      value = string_decode (name);
+      char const *name = UNIQSTR_CONCAT ("percent_define(", *variablep, ")");
+      char *value = string_decode (name);
       if (value)
         {
           for (++values; *values; ++values)
@@ -628,13 +602,15 @@ muscle_percent_define_check_values (char const * const *values)
             }
           if (!*values)
             {
+              unsigned i = 0;
               location loc = muscle_percent_define_get_loc (*variablep);
-              complain_at (loc, complaint,
-                           _("invalid value for %%define variable %s: %s"),
-                           quote (*variablep), quote_n (1, value));
+              complain_indent (&loc, complaint, &i,
+                               _("invalid value for %%define variable %s: %s"),
+                               quote (*variablep), quote_n (1, value));
+              i += SUB_INDENT;
               for (values = variablep + 1; *values; ++values)
-                complain_at (loc, complaint, _("accepted value: %s"),
-                             quote (*values));
+                complain_indent (&loc, complaint | no_caret, &i,
+                                 _("accepted value: %s"), quote (*values));
             }
           else
             {
@@ -644,7 +620,7 @@ muscle_percent_define_check_values (char const * const *values)
           free (value);
         }
       else
-        complain (fatal, _("%s: undefined %%define variable %s"),
+        complain (NULL, fatal, _("%s: undefined %%define variable %s"),
                   "muscle_percent_define_check_values", quote (*variablep));
     }
 }
@@ -653,8 +629,7 @@ void
 muscle_percent_code_grow (char const *qualifier, location qualifier_loc,
                           char const *code, location code_loc)
 {
-  char const *name;
-  name = UNIQSTR_CONCAT ("percent_code(", qualifier, ")");
+  char const *name = UNIQSTR_CONCAT ("percent_code(", qualifier, ")");
   muscle_code_grow (name, code, code_loc);
   muscle_user_name_list_grow ("percent_code_user_qualifiers", qualifier,
                                qualifier_loc);
@@ -668,8 +643,9 @@ muscle_percent_code_grow (char const *qualifier, location qualifier_loc,
 static inline bool
 muscle_m4_output (muscle_entry *entry, FILE *out)
 {
-  fprintf (out, "m4_define([b4_%s],\n", entry->key);
-  fprintf (out, "[[%s]])\n\n\n", entry->value);
+  fprintf (out,
+           "m4_define([b4_%s],\n"
+           "[[%s]])\n\n\n", entry->key, entry->value);
   return true;
 }