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c++: add copy ctors for compatibility with the IAR compiler

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Reported by Andreas Damm.
https://savannah.gnu.org/support/?110032

* data/skeletons/lalr1.cc (stack_symbol_type::operator=): New
overload, const, to please the IAR C++ compiler (version ca 2013).
This commit is contained in:
Akim Demaille
2019-09-25 19:34:34 +02:00
parent 97c4169f23
commit 406e8c7c02
2 changed files with 16 additions and 0 deletions
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1
THANKS
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@@ -10,6 +10,7 @@ Albert Chin-A-Young china@thewrittenword.com
Alexander Belopolsky alexb@rentec.com Alexander Belopolsky alexb@rentec.com
Alexandre Duret-Lutz adl@lrde.epita.fr Alexandre Duret-Lutz adl@lrde.epita.fr
Andre da Costa Barros andre.cbarros@yahoo.com Andre da Costa Barros andre.cbarros@yahoo.com
Andreas Damm adamm@onica.com
Andreas Schwab schwab@suse.de Andreas Schwab schwab@suse.de
Andrew Suffield asuffield@users.sourceforge.net Andrew Suffield asuffield@users.sourceforge.net
Angelo Borsotti angelo.borsotti@gmail.com Angelo Borsotti angelo.borsotti@gmail.com

15
data/skeletons/lalr1.cc
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@@ -335,6 +335,10 @@ m4_define([b4_shared_declarations],
/// Assignment, needed by push_back by some old implementations. /// Assignment, needed by push_back by some old implementations.
/// Moves the contents of that. /// Moves the contents of that.
stack_symbol_type& operator= (stack_symbol_type& that); stack_symbol_type& operator= (stack_symbol_type& that);
/// Assignment, needed by push_back by other implementations.
/// Needed by some other old implementations.
stack_symbol_type& operator= (const stack_symbol_type& that);
#endif #endif
}; };
@@ -627,6 +631,17 @@ m4_if(b4_prefix, [yy], [],
} }
#if YY_CPLUSPLUS < 201103L #if YY_CPLUSPLUS < 201103L
]b4_parser_class[::stack_symbol_type&
]b4_parser_class[::stack_symbol_type::operator= (const stack_symbol_type& that)
{
state = that.state;
]b4_variant_if([b4_symbol_variant([that.type_get ()],
[value], [copy], [that.value])],
[[value = that.value;]])[]b4_locations_if([
location = that.location;])[
return *this;
}
]b4_parser_class[::stack_symbol_type& ]b4_parser_class[::stack_symbol_type&
]b4_parser_class[::stack_symbol_type::operator= (stack_symbol_type& that) ]b4_parser_class[::stack_symbol_type::operator= (stack_symbol_type& that)
{ {