c: no longer require stdio.h when locations are enabled

[bison.git] / data / variant.hh

diff --git a/data/variant.hh b/data/variant.hh
index 184485c661b1f7112fd91589d94d23d40c34660d..1b0338860eb15f4292afaf556a85bbacdecbd456 100644 (file)
--- a/data/variant.hh
+++ b/data/variant.hh
@@ -1,6 +1,6 @@
 # C++ skeleton for Bison
 
 # C++ skeleton for Bison
 

-# Copyright (C) 2002-2012 Free Software Foundation, Inc.
+# Copyright (C) 2002-2013 Free Software Foundation, Inc.

 
 # 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
 
 # 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


@@ -95,7 +95,6 @@ m4_define([b4_variant_define],
     typedef variant<S> self_type;
 
     /// Empty construction.
     typedef variant<S> self_type;
 
     /// Empty construction.

-    inline

     variant ()]b4_parse_assert_if([
       : built (false)
       , tname (YY_NULL)])[
     variant ()]b4_parse_assert_if([
       : built (false)
       , tname (YY_NULL)])[


@@ -103,7 +102,7 @@ m4_define([b4_variant_define],
 
     /// Instantiate a \a T in here.
     template <typename T>
 
     /// Instantiate a \a T in here.
     template <typename T>

-    inline T&
+    T&

     build ()
     {]b4_parse_assert_if([
       //YYASSERT (!built);
     build ()
     {]b4_parse_assert_if([
       //YYASSERT (!built);


@@ -116,7 +115,7 @@ m4_define([b4_variant_define],
 
     /// Instantiate a \a T in here from \a t.
     template <typename T>
 
     /// Instantiate a \a T in here from \a t.
     template <typename T>

-    inline T&
+    T&

     build (const T& t)
     {]b4_parse_assert_if([
       //YYASSERT (!built);
     build (const T& t)
     {]b4_parse_assert_if([
       //YYASSERT (!built);


@@ -129,7 +128,6 @@ m4_define([b4_variant_define],
 
     /// Construct and fill.
     template <typename T>
 
     /// Construct and fill.
     template <typename T>

-    inline

     variant (const T& t)]b4_parse_assert_if([
       : built (true)
       , tname (typeid (T).name ())])[
     variant (const T& t)]b4_parse_assert_if([
       : built (true)
       , tname (typeid (T).name ())])[


@@ -140,7 +138,7 @@ m4_define([b4_variant_define],
 
     /// Accessor to a built \a T.
     template <typename T>
 
     /// Accessor to a built \a T.
     template <typename T>

-    inline T&
+    T&

     as ()
     {]b4_parse_assert_if([
       YYASSERT (built);
     as ()
     {]b4_parse_assert_if([
       YYASSERT (built);


@@ -151,7 +149,7 @@ m4_define([b4_variant_define],
 
     /// Const accessor to a built \a T (for %printer).
     template <typename T>
 
     /// Const accessor to a built \a T (for %printer).
     template <typename T>

-    inline const T&
+    const T&

     as () const
     {]b4_parse_assert_if([
       YYASSERT (built);
     as () const
     {]b4_parse_assert_if([
       YYASSERT (built);


@@ -161,9 +159,14 @@ m4_define([b4_variant_define],
     }
 
     /// Swap the content with \a other, of same type.
     }
 
     /// Swap the content with \a other, of same type.

-    /// Both variants must be built beforehand.
+    /// Both variants must be built beforehand, because swapping the actual
+    /// data requires reading it (with as()), and this is not possible on
+    /// unconstructed variants: it would require some dynamic testing, which
+    /// should not be the variant's responsability.
+    /// Swapping between built and ((possibly) non-built is done with
+    /// variant::move ().

     template <typename T>
     template <typename T>

-    inline void
+    void

     swap (variant<S>& other)
     {]b4_parse_assert_if([
       YYASSERT (built);
     swap (variant<S>& other)
     {]b4_parse_assert_if([
       YYASSERT (built);


@@ -175,9 +178,10 @@ m4_define([b4_variant_define],
     /// Assign the content of \a other to this.
     /// Destroys \a other.
     template <typename T>
     /// Assign the content of \a other to this.
     /// Destroys \a other.
     template <typename T>

-    inline void
-    build (variant<S>& other)
-    {
+    void
+    move (variant<S>& other)
+    {]b4_parse_assert_if([
+      YYASSERT (! built);])[

       build<T>();
       swap<T>(other);
       other.destroy<T>();
       build<T>();
       swap<T>(other);
       other.destroy<T>();


@@ -186,7 +190,7 @@ m4_define([b4_variant_define],
     /// Copy the content of \a other to this.
     /// Destroys \a other.
     template <typename T>
     /// Copy the content of \a other to this.
     /// Destroys \a other.
     template <typename T>

-    inline void
+    void

     copy (const variant<S>& other)
     {
       build<T> (other.as<T> ());
     copy (const variant<S>& other)
     {
       build<T> (other.as<T> ());


@@ -194,7 +198,7 @@ m4_define([b4_variant_define],
 
     /// Destroy the stored \a T.
     template <typename T>
 
     /// Destroy the stored \a T.
     template <typename T>

-    inline void
+    void

     destroy ()
     {
       as<T> ().~T ();]b4_parse_assert_if([
     destroy ()
     {
       as<T> ().~T ();]b4_parse_assert_if([


@@ -203,7 +207,7 @@ m4_define([b4_variant_define],
     }
 
     /// Prohibit blind copies.
     }
 
     /// Prohibit blind copies.

-    //  private:
+    private:

     self_type& operator=(const self_type&)
     {
       abort ();
     self_type& operator=(const self_type&)
     {
       abort ();