Regen.

[bison.git] / src / output.c

diff --git a/src/output.c b/src/output.c
index a7003edf99c59deac98191e7cd412a78514b6107..a06698ce7ff32e755d824b4eb7ae55b354d90cc6 100644 (file)
--- a/src/output.c
+++ b/src/output.c
@@ -1,7 +1,7 @@
 /* Output the generated parsing program for Bison.
 
    Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002, 2003, 2004,
 /* Output the generated parsing program for Bison.
 
    Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002, 2003, 2004,

-   2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+   2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.

 
    This file is part of Bison, the GNU Compiler Compiler.
 
 
    This file is part of Bison, the GNU Compiler Compiler.
 


@@ -104,7 +104,6 @@ GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_int_table, int)
 GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_base_table, base_number)
 GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_rule_number_table, rule_number)
 GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_symbol_number_table, symbol_number)
 GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_base_table, base_number)
 GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_rule_number_table, rule_number)
 GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_symbol_number_table, symbol_number)

-GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_item_number_table, item_number)

 GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_state_number_table, state_number)
 
 
 GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_state_number_table, state_number)
 
 


@@ -201,38 +200,27 @@ prepare_symbols (void)
 }
 
 
 }
 
 

-/*-------------------------------------------------------------.
-| Prepare the muscles related to the rules: rhs, prhs, r1, r2, |
-| rline, dprec, merger.                                        |
-`-------------------------------------------------------------*/
+/*----------------------------------------------------------------.
+| Prepare the muscles related to the rules: r1, r2, rline, dprec, |
+| merger.                                                         |
+`----------------------------------------------------------------*/

 
 static void
 prepare_rules (void)
 {
 
 static void
 prepare_rules (void)
 {

-  rule_number r;
-  unsigned int i = 0;
-  item_number *rhs = xnmalloc (nritems, sizeof *rhs);
-  unsigned int *prhs = xnmalloc (nrules, sizeof *prhs);

   unsigned int *rline = xnmalloc (nrules, sizeof *rline);
   symbol_number *r1 = xnmalloc (nrules, sizeof *r1);
   unsigned int *r2 = xnmalloc (nrules, sizeof *r2);
   int *dprec = xnmalloc (nrules, sizeof *dprec);
   int *merger = xnmalloc (nrules, sizeof *merger);
 
   unsigned int *rline = xnmalloc (nrules, sizeof *rline);
   symbol_number *r1 = xnmalloc (nrules, sizeof *r1);
   unsigned int *r2 = xnmalloc (nrules, sizeof *r2);
   int *dprec = xnmalloc (nrules, sizeof *dprec);
   int *merger = xnmalloc (nrules, sizeof *merger);
 

+  rule_number r;

   for (r = 0; r < nrules; ++r)
     {
   for (r = 0; r < nrules; ++r)
     {

-      item_number *rhsp = NULL;
-      /* Index of rule R in RHS. */
-      prhs[r] = i;
-      /* RHS of the rule R. */
-      for (rhsp = rules[r].rhs; *rhsp >= 0; ++rhsp)
-       rhs[i++] = *rhsp;

       /* LHS of the rule R. */
       r1[r] = rules[r].lhs->number;
       /* Length of rule R's RHS. */
       /* LHS of the rule R. */
       r1[r] = rules[r].lhs->number;
       /* Length of rule R's RHS. */

-      r2[r] = i - prhs[r];
-      /* Separator in RHS. */
-      rhs[i++] = -1;
+      r2[r] = rule_rhs_length(&rules[r]);

       /* Line where rule was defined. */
       rline[r] = rules[r].location.start.line;
       /* Dynamic precedence (GLR).  */
       /* Line where rule was defined. */
       rline[r] = rules[r].location.start.line;
       /* Dynamic precedence (GLR).  */


@@ -240,10 +228,7 @@ prepare_rules (void)
       /* Merger-function index (GLR).  */
       merger[r] = rules[r].merger;
     }
       /* Merger-function index (GLR).  */
       merger[r] = rules[r].merger;
     }

-  aver (i == nritems);

 
 

-  muscle_insert_item_number_table ("rhs", rhs, ritem[0], 1, nritems);
-  muscle_insert_unsigned_int_table ("prhs", prhs, 0, 0, nrules);

   muscle_insert_unsigned_int_table ("rline", rline, 0, 0, nrules);
   muscle_insert_symbol_number_table ("r1", r1, 0, 0, nrules);
   muscle_insert_unsigned_int_table ("r2", r2, 0, 0, nrules);
   muscle_insert_unsigned_int_table ("rline", rline, 0, 0, nrules);
   muscle_insert_symbol_number_table ("r1", r1, 0, 0, nrules);
   muscle_insert_unsigned_int_table ("r2", r2, 0, 0, nrules);


@@ -253,8 +238,6 @@ prepare_rules (void)
   MUSCLE_INSERT_INT ("rules_number", nrules);
   MUSCLE_INSERT_INT ("max_left_semantic_context", max_left_semantic_context);
 
   MUSCLE_INSERT_INT ("rules_number", nrules);
   MUSCLE_INSERT_INT ("max_left_semantic_context", max_left_semantic_context);
 

-  free (rhs);
-  free (prhs);

   free (rline);
   free (r1);
   free (r2);
   free (rline);
   free (r1);
   free (r2);


@@ -287,7 +270,7 @@ prepare_states (void)
 | Compare two symbols by type-name, and then by number.  |
 `-------------------------------------------------------*/
 
 | Compare two symbols by type-name, and then by number.  |
 `-------------------------------------------------------*/
 

-int
+static int

 symbol_type_name_cmp (const symbol **lhs, const symbol **rhs)
 {
   int res = UNIQSTR_CMP((*lhs)->type_name, (*rhs)->type_name);
 symbol_type_name_cmp (const symbol **lhs, const symbol **rhs)
 {
   int res = UNIQSTR_CMP((*lhs)->type_name, (*rhs)->type_name);


@@ -302,7 +285,7 @@ symbol_type_name_cmp (const symbol **lhs, const symbol **rhs)
 `----------------------------------------------------------------*/
 
 static symbol **
 `----------------------------------------------------------------*/
 
 static symbol **

-symbols_by_type_name ()
+symbols_by_type_name (void)

 {
   typedef int (*qcmp_type) (const void *, const void *);
   symbol **res = xmemdup (symbols, nsyms * sizeof *res);
 {
   typedef int (*qcmp_type) (const void *, const void *);
   symbol **res = xmemdup (symbols, nsyms * sizeof *res);


@@ -396,24 +379,35 @@ merger_output (FILE *out)
 }
 
 
 }
 
 

-/*---------------------------------------.
-| Output the symbol definitions to OUT.  |
-`---------------------------------------*/
+/*---------------------------------------------.
+| Prepare the muscles for symbol definitions.  |
+`---------------------------------------------*/

 
 static void
 
 static void

-symbol_definitions_output (FILE *out)
+prepare_symbol_definitions (void)

 {
   int i;
   for (i = 0; i < nsyms; ++i)
     {
       symbol *sym = symbols[i];
       const char *key;
 {
   int i;
   for (i = 0; i < nsyms; ++i)
     {
       symbol *sym = symbols[i];
       const char *key;

+      const char *value;

 
 #define SET_KEY(Entry)                                                  \
       obstack_fgrow2 (&format_obstack, "symbol(%d, %s)", i, Entry);     \
       obstack_1grow (&format_obstack, 0);                               \
       key = obstack_finish (&format_obstack);
 
 
 #define SET_KEY(Entry)                                                  \
       obstack_fgrow2 (&format_obstack, "symbol(%d, %s)", i, Entry);     \
       obstack_1grow (&format_obstack, 0);                               \
       key = obstack_finish (&format_obstack);
 

+      // Whether the symbol has an identifier.
+      value = symbol_id_get (sym);
+      SET_KEY("has_id");
+      MUSCLE_INSERT_INT (key, !!value);
+
+      // Its identifier.
+      SET_KEY("id");
+      MUSCLE_INSERT_STRING (key, value ? value : "");
+
+      // Its tag.  Typically for documentation purpose.

       SET_KEY("tag");
       MUSCLE_INSERT_STRING (key, sym->tag);
 
       SET_KEY("tag");
       MUSCLE_INSERT_STRING (key, sym->tag);
 


@@ -427,12 +421,34 @@ symbol_definitions_output (FILE *out)
       SET_KEY("number");
       MUSCLE_INSERT_INT (key, sym->number);
 
       SET_KEY("number");
       MUSCLE_INSERT_INT (key, sym->number);
 

-      SET_KEY("has_type_name");
+      SET_KEY("has_type");

       MUSCLE_INSERT_INT (key, !!sym->type_name);
 
       MUSCLE_INSERT_INT (key, !!sym->type_name);
 

-      SET_KEY("type_name");
+      SET_KEY("type");

       MUSCLE_INSERT_STRING (key, sym->type_name ? sym->type_name : "");
 
       MUSCLE_INSERT_STRING (key, sym->type_name ? sym->type_name : "");
 

+#define CODE_PROP(PropName)                                             \
+      do {                                                              \
+        code_props const *p = symbol_ ## PropName ## _get (sym);        \
+        SET_KEY("has_" #PropName);                                      \
+        MUSCLE_INSERT_INT (key, !!p->code);                             \
+                                                                        \
+        if (p->code)                                                    \
+          {                                                             \
+            SET_KEY(#PropName "_file");                                 \
+            MUSCLE_INSERT_STRING (key, p->location.start.file);         \
+                                                                        \
+            SET_KEY(#PropName "_line");                                 \
+            MUSCLE_INSERT_INT (key, p->location.start.line);            \
+                                                                        \
+            SET_KEY(#PropName);                                         \
+            MUSCLE_INSERT_STRING_RAW (key, p->code);                    \
+          }                                                             \
+      } while (0)
+
+      CODE_PROP(destructor);
+      CODE_PROP(printer);
+#undef CODE_PROP

 #undef SET_KEY
     }
 }
 #undef SET_KEY
     }
 }


@@ -487,45 +503,6 @@ token_definitions_output (FILE *out)
 }
 
 
 }
 
 

-/*---------------------------------------------------.
-| Output the symbol destructors or printers to OUT.  |
-`---------------------------------------------------*/
-
-static void
-symbol_code_props_output (FILE *out, char const *what,
-                          code_props const *(*get)(symbol const *))
-{
-  int i;
-  char const *sep = "";
-
-  fputs ("m4_define([b4_symbol_", out);
-  fputs (what, out);
-  fputs ("], \n[", out);
-  for (i = 0; i < nsyms; ++i)
-    {
-      symbol *sym = symbols[i];
-      char const *code = (*get) (sym)->code;
-      if (code)
-        {
-          location loc = (*get) (sym)->location;
-          /* Filename, lineno,
-             Symbol-name, Symbol-number,
-             code, optional typename.  */
-          fprintf (out, "%s[", sep);
-          sep = ",\n";
-          escaped_output (out, loc.start.file);
-          fprintf (out, ", %d, ", loc.start.line);
-          escaped_output (out, sym->tag);
-          fprintf (out, ", %d, [[%s]]", sym->number, code);
-          if (sym->type_name)
-            fprintf (out, ", [[%s]]", sym->type_name);
-          fputc (']', out);
-        }
-    }
-  fputs ("])\n\n", out);
-}
-
-

 static void
 prepare_actions (void)
 {
 static void
 prepare_actions (void)
 {


@@ -583,9 +560,6 @@ muscles_output (FILE *out)
 {
   fputs ("m4_init()\n", out);
   merger_output (out);
 {
   fputs ("m4_init()\n", out);
   merger_output (out);

-  symbol_code_props_output (out, "destructors", &symbol_destructor_get);
-  symbol_code_props_output (out, "printers", &symbol_printer_get);
-  symbol_definitions_output (out);

   symbol_numbers_output (out);
   token_definitions_output (out);
   type_names_output (out);
   symbol_numbers_output (out);
   token_definitions_output (out);
   type_names_output (out);


@@ -726,9 +700,7 @@ prepare (void)
     use_push_for_pull_flag = true;
 
   /* Flags. */
     use_push_for_pull_flag = true;
 
   /* Flags. */

-  MUSCLE_INSERT_BOOL ("debug_flag", debug_flag);

   MUSCLE_INSERT_BOOL ("defines_flag", defines_flag);
   MUSCLE_INSERT_BOOL ("defines_flag", defines_flag);

-  MUSCLE_INSERT_BOOL ("error_verbose_flag", error_verbose);

   MUSCLE_INSERT_BOOL ("glr_flag", glr_parser);
   MUSCLE_INSERT_BOOL ("locations_flag", locations_flag);
   MUSCLE_INSERT_BOOL ("nondeterministic_flag", nondeterministic_parser);
   MUSCLE_INSERT_BOOL ("glr_flag", glr_parser);
   MUSCLE_INSERT_BOOL ("locations_flag", locations_flag);
   MUSCLE_INSERT_BOOL ("nondeterministic_flag", nondeterministic_parser);


@@ -783,6 +755,7 @@ output (void)
   prepare_rules ();
   prepare_states ();
   prepare_actions ();
   prepare_rules ();
   prepare_states ();
   prepare_actions ();

+  prepare_symbol_definitions ();

 
   prepare ();
 
 
   prepare ();