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examples: don't use yysyntax_error_arguments

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Suggested by Adrian Vogelsgesang.
https://lists.gnu.org/archive/html/bison-patches/2020-02/msg00069.html

* data/skeletons/lalr1.java (Context.EMPTY, Context.getToken): New.
(Context.yyntokens): Rename as...
(Context.NTOKENS): this.
Because (i) all the Java coding styles recommend upper case for
constants, and (ii) the Java Skeleton exposes Lexer.EOF, not
Lexer.YYEOF.
* data/skeletons/yacc.c (yyparse_context_token): New.
* examples/c/bistromathic/parse.y (yyreport_syntax_error): Don't use
yysyntax_error_arguments.
* examples/java/calc/Calc.y (yyreportSyntaxError): Likewise.
This commit is contained in:
Akim Demaille
2020-03-21 08:04:01 +01:00
parent ef8965b5f5
commit 1045c8d0ef
6 changed files with 67 additions and 26 deletions
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16
data/skeletons/yacc.c
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@@ -1198,6 +1198,10 @@ yyexpected_tokens (const yyparse_context_t *yyctx,
return yypstate_expected_tokens (yyctx->yyps, yyarg, yyargn);
}]])[
static int
yysyntax_error_arguments (const yyparse_context_t *yyctx,
int yyarg[], int yyargn) YY_ATTRIBUTE_UNUSED;
static int
yysyntax_error_arguments (const yyparse_context_t *yyctx,
int yyarg[], int yyargn)
@@ -1251,7 +1255,17 @@ yysyntax_error_arguments (const yyparse_context_t *yyctx,
]b4_parse_error_case(
[custom],
[b4_locations_if([[/* The location of this context. */
[[/* The token type of the lookahead of this context. */
static int
yyparse_context_token (const yyparse_context_t *yyctx) YY_ATTRIBUTE_UNUSED;
static int
yyparse_context_token (const yyparse_context_t *yyctx)
{
return yyctx->yytoken;
}
]b4_locations_if([[/* The location of the lookahead of this context. */
static YYLTYPE *
yyparse_context_location (const yyparse_context_t *yyctx) YY_ATTRIBUTE_UNUSED;