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C++: don't issue the definition of symbol_type when not used

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Currently, in glr.cc, we emit the definitions of basic_symbol and
symbol_type, although there are not used.

* data/c++.m4 (b4_public_types_declare): Extract these definitions from
here, and move them...
(b4_symbol_type_declare): here.
(b4_public_types_declare): Also remove the definition of the symbol
constructors.
* data/lalr1.cc (b4_shared_declarations): Adjust: call
b4_symbol_type_declare and b4_symbol_constructor_declare.
This commit is contained in:
Akim Demaille
2018-09-02 11:25:28 +02:00
parent 2d7e743802
commit a7e46f6e41
2 changed files with 12 additions and 3 deletions
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12
data/c++.m4
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@@ -192,8 +192,15 @@ m4_define([b4_public_types_declare],
/// Internal symbol number for tokens (subsumed by symbol_number_type).
typedef ]b4_int_type_for([b4_translate])[ token_number_type;
]])
/// A complete symbol.
# b4_symbol_type_declare
# ----------------------
# Define symbol_type, the external type for symbols used for symbol
# constructors.
m4_define([b4_symbol_type_declare],
[[ /// A complete symbol.
///
/// Expects its Base type to provide access to the symbol type
/// via type_get().
@@ -281,8 +288,7 @@ m4_define([b4_public_types_declare],
/// "External" symbols: returned by the scanner.
typedef basic_symbol<by_type> symbol_type;
]b4_symbol_constructor_declare])
]])
# b4_public_types_define(hh|cc)