tests: minor refactoring

[bison.git] / src / scan-code.h

diff --git a/src/scan-code.h b/src/scan-code.h
index 955aef1f04424ca5b4882604645b91d2f109aad6..d5a15c1a1ca2e2007f315a12960b5e23d7f31705 100644 (file)
--- a/src/scan-code.h
+++ b/src/scan-code.h
@@ -1,12 +1,12 @@
 /* Bison code properties structure and scanner.
 
 /* Bison code properties structure and scanner.
 

-   Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+   Copyright (C) 2006-2007, 2009-2013 Free Software Foundation, Inc.

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

-   This program is free software; you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify

    it under the terms of the GNU General Public License as published by
    it under the terms of the GNU General Public License as published by

-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation, either version 3 of the License, or

    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,


@@ -15,15 +15,13 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License

-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-   02110-1301  USA
-*/
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

 
 #ifndef SCAN_CODE_H_
 # define SCAN_CODE_H_
 
 # include "location.h"
 
 #ifndef SCAN_CODE_H_
 # define SCAN_CODE_H_
 
 # include "location.h"

+# include "named-ref.h"

 
 struct symbol_list;
 
 
 struct symbol_list;
 


@@ -47,7 +45,10 @@ typedef struct code_props {
     CODE_PROPS_SYMBOL_ACTION, CODE_PROPS_RULE_ACTION
   } kind;
 
     CODE_PROPS_SYMBOL_ACTION, CODE_PROPS_RULE_ACTION
   } kind;
 

-  /** \c NULL iff \c code_props::kind is \c CODE_PROPS_NONE.  */
+  /**
+   * \c NULL iff \c code_props::kind is \c CODE_PROPS_NONE.
+   * Memory is allocated in an obstack freed elsewhere.
+   */

   char const *code;
   /** Undefined iff \c code_props::code is \c NULL.  */
   location location;
   char const *code;
   /** Undefined iff \c code_props::code is \c NULL.  */
   location location;


@@ -65,8 +66,22 @@ typedef struct code_props {
    */
   bool is_value_used;
 
    */
   bool is_value_used;
 

+  /**
+   * \c true iff this code is an action that is not to be deferred in
+   * a non-deterministic parser.
+   */
+  bool is_predicate;
+
+  /**
+   * Whether this is actually used (i.e., not completely masked by
+   * other code props).  */
+  bool is_used;
+

   /** \c NULL iff \c code_props::kind is not \c CODE_PROPS_RULE_ACTION.  */
   struct symbol_list *rule;
   /** \c NULL iff \c code_props::kind is not \c CODE_PROPS_RULE_ACTION.  */
   struct symbol_list *rule;

+
+  /* Named reference. */
+  named_ref *named_ref;

 } code_props;
 
 /**
 } code_props;
 
 /**


@@ -78,11 +93,20 @@ typedef struct code_props {
 void code_props_none_init (code_props *self);
 
 /** Equivalent to \c code_props_none_init.  */
 void code_props_none_init (code_props *self);
 
 /** Equivalent to \c code_props_none_init.  */

-#define CODE_PROPS_NONE_INIT \
-  {CODE_PROPS_NONE, NULL, EMPTY_LOCATION_INIT, false, NULL}
+# define CODE_PROPS_NONE_INIT                   \
+  {                                             \
+    /* .kind = */ CODE_PROPS_NONE,              \
+    /* .code = */ NULL,                         \
+    /* .location = */ EMPTY_LOCATION_INIT,      \
+    /* .is_value_used = */ false,               \
+    /* .is_predicate = */ false,                \
+    /* .is_used = */ false,                     \
+    /* .rule = */ NULL,                         \
+    /* .named_ref = */ NULL                     \
+  }

 
 /** Initialized by \c CODE_PROPS_NONE_INIT with no further modification.  */
 
 /** Initialized by \c CODE_PROPS_NONE_INIT with no further modification.  */

-extern code_props const code_props_none;
+extern code_props code_props_none;

 
 /**
  * \pre
 
 /**
  * \pre


@@ -132,7 +156,8 @@ void code_props_symbol_action_init (code_props *self, char const *code,
  *     - The caller frees \c rule.
  */
 void code_props_rule_action_init (code_props *self, char const *code,
  *     - The caller frees \c rule.
  */
 void code_props_rule_action_init (code_props *self, char const *code,

-                                  location code_loc, struct symbol_list *rule);
+                                  location code_loc, struct symbol_list *rule,
+                                  named_ref *name, bool is_predicate);

 
 /**
  * \pre
 
 /**
  * \pre