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parser: deprecate %error-verbose

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It is unfortunate that %error_verbose was properly diagnosed as
obsoleted by "%define parse.error verbose", but %error-verbose was
not.

* src/parse-gram.y (%error-verbose): Remove support.
* src/scan-gram.l: Do it here instead, with a warning.
* tests/input.at (Deprecated directives): Check it.
This commit is contained in:
Akim Demaille
2018-11-12 07:16:59 +01:00
parent be7c620d65
commit 35b8e0e947
4 changed files with 12 additions and 9 deletions
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7
src/parse-gram.y
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@@ -143,7 +143,6 @@
PERCENT_DEFAULT_PREC "%default-prec"
PERCENT_DEFINE "%define"
PERCENT_DEFINES "%defines"
PERCENT_ERROR_VERBOSE "%error-verbose"
PERCENT_EXPECT "%expect"
PERCENT_EXPECT_RR "%expect-rr"
PERCENT_FLAG "%<flag>"
@@ -290,12 +289,6 @@ prologue_declaration:
defines_flag = true;
spec_defines_file = xstrdup ($2);
}
| "%error-verbose"
{
muscle_percent_define_insert ("parse.error", @1, muscle_keyword,
"verbose",
MUSCLE_PERCENT_DEFINE_GRAMMAR_FILE);
}
| "%expect" INT { expected_sr_conflicts = $2; }
| "%expect-rr" INT { expected_rr_conflicts = $2; }
| "%file-prefix" STRING { spec_file_prefix = $2; }

5
src/scan-gram.l
View File

@@ -223,7 +223,6 @@ eqopt ([[:space:]]*=)?
"%destructor" return PERCENT_DESTRUCTOR;
"%dprec" return PERCENT_DPREC;
"%empty" return PERCENT_EMPTY;
"%error-verbose" return PERCENT_ERROR_VERBOSE;
"%expect" return PERCENT_EXPECT;
"%expect-rr" return PERCENT_EXPECT_RR;
"%file-prefix" return PERCENT_FILE_PREFIX;
@@ -259,6 +258,10 @@ eqopt ([[:space:]]*=)?
"%verbose" return PERCENT_VERBOSE;
"%yacc" return PERCENT_YACC;
/* Deprecated since Bison 3.0 (2013-07-25), but the warning is
issued only since Bison 3.3. */
"%error-verbose" DEPRECATED("%define parse.error verbose");
/* Deprecated since Bison 2.7.90, 2012. */
"%default"[-_]"prec" DEPRECATED("%default-prec");
"%error"[-_]"verbose" DEPRECATED("%define parse.error verbose");