Java: Fix syntax error handling without error token.

[bison.git] / src / symtab.h

diff --git a/src/symtab.h b/src/symtab.h
index 1a4b70181a4c193e12a459511f0dd3693170d289..db902e757a90f5589092ed859e849e4f10439396 100644 (file)
--- a/src/symtab.h
+++ b/src/symtab.h
@@ -1,24 +1,22 @@
 /* Definitions for symtab.c and callers, part of Bison.
 
 /* Definitions for symtab.c and callers, part of Bison.
 

-   Copyright (C) 1984, 1989, 1992, 2000, 2001, 2002, 2004, 2005, 2006
-   Free Software Foundation, Inc.
+   Copyright (C) 1984, 1989, 1992, 2000-2002, 2004-2007, 2009-2012 Free
+   Software Foundation, Inc.

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

-   Bison 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, or (at your option)
-   any later version.
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.

 
 

-   Bison is distributed in the hope that it will be useful,
+   This program is distributed in the hope that it will be useful,

    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License

-   along with Bison; see the file COPYING.  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/>.  */

 
 /**
  * \file symtab.h
 
 /**
  * \file symtab.h


@@ -87,9 +85,9 @@ struct symbol
   assoc assoc;
   int user_token_number;
 
   assoc assoc;
   int user_token_number;
 

-  /* Points to the other in the identifier-symbol pair for an alias.
-     Special value USER_NUMBER_ALIAS in the identifier half of the
-     identifier-symbol pair for an alias.  */
+  /* Points to the other in the symbol-string pair for an alias.
+     Special value USER_NUMBER_HAS_STRING_ALIAS in the symbol half of the
+     symbol-string pair for an alias.  */

   symbol *alias;
   symbol_class class;
   bool declared;
   symbol *alias;
   symbol_class class;
   bool declared;


@@ -98,11 +96,11 @@ struct symbol
 /** Undefined user number.  */
 #define USER_NUMBER_UNDEFINED -1
 
 /** Undefined user number.  */
 #define USER_NUMBER_UNDEFINED -1
 

-/* `symbol->user_token_number == USER_NUMBER_ALIAS' means this symbol
-   *has* (not is) a string literal alias.  For instance, `%token foo
+/* `symbol->user_token_number == USER_NUMBER_HAS_STRING_ALIAS' means
+   this symbol has a literal string alias.  For instance, `%token foo

    "foo"' has `"foo"' numbered regularly, and `foo' numbered as
    "foo"' has `"foo"' numbered regularly, and `foo' numbered as

-   USER_NUMBER_ALIAS.  */
-#define USER_NUMBER_ALIAS -9991
+   USER_NUMBER_HAS_STRING_ALIAS.  */
+#define USER_NUMBER_HAS_STRING_ALIAS -9991

 
 /* Undefined internal token number.  */
 #define NUMBER_UNDEFINED (-1)
 
 /* Undefined internal token number.  */
 #define NUMBER_UNDEFINED (-1)


@@ -124,8 +122,11 @@ symbol *dummy_symbol_get (location loc);
 /** Is this a dummy nonterminal?  */
 bool symbol_is_dummy (const symbol *sym);
 
 /** Is this a dummy nonterminal?  */
 bool symbol_is_dummy (const symbol *sym);
 

-/** Declare the new symbol \c sym.  Make it an alias of \c symval.  */
-void symbol_make_alias (symbol *sym, symbol *symval, location loc);
+/**
+ * Make \c str the literal string alias of \c sym.  Copy token number,
+ * symbol number, and type from \c sym to \c str.
+ */
+void symbol_make_alias (symbol *sym, symbol *str, location loc);

 
 /** Set the \c type_name associated with \c sym.
 
 
 /** Set the \c type_name associated with \c sym.
 


@@ -133,18 +134,18 @@ void symbol_make_alias (symbol *sym, symbol *symval, location loc);
 void symbol_type_set (symbol *sym, uniqstr type_name, location loc);
 
 /** Set the \c destructor associated with \c sym.  */
 void symbol_type_set (symbol *sym, uniqstr type_name, location loc);
 
 /** Set the \c destructor associated with \c sym.  */

-void symbol_destructor_set (symbol *sym, code_props destructor);
+void symbol_destructor_set (symbol *sym, code_props const *destructor);

 
 /** Get the computed \c \%destructor for \c sym, which was initialized with
     \c code_props_none_init if there's no \c \%destructor.  */
 
 /** Get the computed \c \%destructor for \c sym, which was initialized with
     \c code_props_none_init if there's no \c \%destructor.  */

-code_props symbol_destructor_get (symbol *sym);
+code_props const *symbol_destructor_get (symbol const *sym);

 
 /** Set the \c printer associated with \c sym.  */
 
 /** Set the \c printer associated with \c sym.  */

-void symbol_printer_set (symbol *sym, code_props printer);
+void symbol_printer_set (symbol *sym, code_props const *printer);

 
 /** Get the computed \c \%printer for \c sym, which was initialized with
     \c code_props_none_init if there's no \c \%printer.  */
 
 /** Get the computed \c \%printer for \c sym, which was initialized with
     \c code_props_none_init if there's no \c \%printer.  */

-code_props symbol_printer_get (symbol *sym);
+code_props const *symbol_printer_get (symbol const *sym);

 
 /* Set the \c precedence associated with \c sym.
 
 
 /* Set the \c precedence associated with \c sym.
 


@@ -182,10 +183,10 @@ extern location startsymbol_location;
 `-----------------*/
 
 /** A semantic type and its associated \c \%destructor and \c \%printer.
 `-----------------*/
 
 /** A semantic type and its associated \c \%destructor and \c \%printer.

-   
+

    Access the fields of this struct only through the interface functions in
    this file.  \sa symbol::destructor  */
    Access the fields of this struct only through the interface functions in
    this file.  \sa symbol::destructor  */

-typedef struct semantic_type {
+typedef struct {

   /** The key, name of the semantic type.  */
   uniqstr tag;
 
   /** The key, name of the semantic type.  */
   uniqstr tag;
 


@@ -202,10 +203,12 @@ semantic_type *semantic_type_from_uniqstr (const uniqstr key);
 semantic_type *semantic_type_get (const char *key);
 
 /** Set the \c destructor associated with \c type.  */
 semantic_type *semantic_type_get (const char *key);
 
 /** Set the \c destructor associated with \c type.  */

-void semantic_type_destructor_set (semantic_type *type, code_props destructor);
+void semantic_type_destructor_set (semantic_type *type,
+                                   code_props const *destructor);

 
 /** Set the \c printer associated with \c type.  */
 
 /** Set the \c printer associated with \c type.  */

-void semantic_type_printer_set (semantic_type *type, code_props printer);
+void semantic_type_printer_set (semantic_type *type,
+                                code_props const *printer);

 
 /*----------------------------------.
 | Symbol and semantic type tables.  |
 
 /*----------------------------------.
 | Symbol and semantic type tables.  |


@@ -234,13 +237,13 @@ void symbols_pack (void);
 `---------------------------------------*/
 
 /** Set the default \c \%destructor for tagged values.  */
 `---------------------------------------*/
 
 /** Set the default \c \%destructor for tagged values.  */

-void default_tagged_destructor_set (code_props destructor);
+void default_tagged_destructor_set (code_props const *destructor);

 /** Set the default \c \%destructor for tagless values.  */
 /** Set the default \c \%destructor for tagless values.  */

-void default_tagless_destructor_set (code_props destructor);
+void default_tagless_destructor_set (code_props const *destructor);

 
 /** Set the default \c \%printer for tagged values.  */
 
 /** Set the default \c \%printer for tagged values.  */

-void default_tagged_printer_set (code_props printer);
+void default_tagged_printer_set (code_props const *printer);

 /** Set the default \c \%printer for tagless values.  */
 /** Set the default \c \%printer for tagless values.  */

-void default_tagless_printer_set (code_props printer);
+void default_tagless_printer_set (code_props const *printer);

 
 #endif /* !SYMTAB_H_ */
 
 #endif /* !SYMTAB_H_ */