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c++: make parser::symbol_name public

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Reported by Martin Blais <blais@furius.ca>.
https://lists.gnu.org/r/help-bison/2020-05/msg00005.html

* data/skeletons/lalr1.cc (symbol_name): Make it public.
Add a private hidden hook to enable testing of private parts.
* tests/local.at (AT_DATA_GRAMMAR_PROLOGUE): Help Emacs find the right
language mode.
* tests/c++.at (C++ Variant-based Symbols Unit Tests): Check that we
can read symbol_name.
This commit is contained in:
Akim Demaille
2020-05-10 09:00:38 +02:00
parent c3585f41ef
commit 6bb37dbe27
4 changed files with 40 additions and 25 deletions
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33
data/skeletons/lalr1.cc
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@@ -241,6 +241,24 @@ m4_define([b4_shared_declarations],
/// Report a syntax error.
void error (const syntax_error& err);
]b4_parse_error_bmatch(
[custom\|detailed],
[[ /// The user-facing name of the symbol whose (internal) number is
/// YYSYMBOL. No bounds checking.
static const char *symbol_name (symbol_kind_type yysymbol);]],
[simple],
[[#if ]b4_api_PREFIX[DEBUG || ]b4_token_table_flag[
/// The user-facing name of the symbol whose (internal) number is
/// YYSYMBOL. No bounds checking.
static const char *symbol_name (symbol_kind_type yysymbol);
#endif // #if ]b4_api_PREFIX[DEBUG || ]b4_token_table_flag[
]],
[verbose],
[[ /// The user-facing name of the symbol whose (internal) number is
/// YYSYMBOL. No bounds checking.
static std::string symbol_name (symbol_kind_type yysymbol);
]])[
]b4_token_constructor_define[
]b4_parse_error_bmatch([custom\|detailed\|verbose], [[
class context
@@ -317,26 +335,14 @@ m4_define([b4_shared_declarations],
static symbol_kind_type yytranslate_ (int t);
]b4_parse_error_bmatch(
[custom\|detailed],
[[ /// The user-facing name of the symbol whose (internal) number is
/// YYSYMBOL. No bounds checking.
static const char *symbol_name (symbol_kind_type yysymbol);]],
[simple],
[[#if ]b4_api_PREFIX[DEBUG || ]b4_token_table_flag[
/// The user-facing name of the symbol whose (internal) number is
/// YYSYMBOL. No bounds checking.
static const char *symbol_name (symbol_kind_type yysymbol);
/// For a symbol, its name in clear.
static const char* const yytname_[];
#endif // #if ]b4_api_PREFIX[DEBUG || ]b4_token_table_flag[
]],
[verbose],
[[ /// The user-facing name of the symbol whose (internal) number is
/// YYSYMBOL. No bounds checking.
static std::string symbol_name (symbol_kind_type yysymbol);
/// Convert the symbol name \a n to a form suitable for a diagnostic.
[[ /// Convert the symbol name \a n to a form suitable for a diagnostic.
static std::string yytnamerr_ (const char *yystr);
/// For a symbol, its name in clear.
@@ -474,6 +480,7 @@ m4_define([b4_shared_declarations],
};
]b4_parse_param_vars[
]b4_percent_code_get([[yy_bison_internal_hook]])[
};
]b4_token_ctor_if([b4_yytranslate_define([$1])[