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api.token.raw: cannot be used with character literals

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* src/parse-gram.y (CHAR): api.token.raw and character literals are
mutually exclusive.
* tests/input.at (Character literals and api.token.raw): New.
This commit is contained in:
Akim Demaille
2019-09-01 10:10:06 -05:00
parent 1e5e274972
commit 8c18e3f18c
3 changed files with 53 additions and 6 deletions
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19
src/parse-gram.y
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@@ -106,6 +106,7 @@
/* Handle a %yacc directive. */
static void handle_yacc (location const *loc);
/* Implementation of yyerror. */
static void gram_error (location const *, char const *);
/* A string that describes a char (e.g., 'a' -> "'a'"). */
@@ -196,7 +197,7 @@
%token BRACED_CODE "{...}"
%token BRACED_PREDICATE "%?{...}"
%token BRACKETED_ID "[identifier]"
%token CHAR "char"
%token CHAR "character literal"
%token COLON ":"
%token EPILOGUE "epilogue"
%token EQUAL "="
@@ -732,12 +733,24 @@ id:
{ $$ = symbol_from_uniqstr ($1, @1); }
| CHAR
{
const char *var = "api.token.raw";
if (current_class == nterm_sym)
{
gram_error (&@1,
_("character literals cannot be nonterminals"));
complain (&@1, complaint,
_("character literals cannot be nonterminals"));
YYERROR;
}
if (muscle_percent_define_ifdef (var))
{
unsigned indent = 0;
complain_indent (&@1, complaint, &indent,
_("character literals cannot be used together"
" with %s"), var);
indent += SUB_INDENT;
location loc = muscle_percent_define_get_loc (var);
complain_indent (&loc, complaint, &indent,
_("definition of %s"), var);
}
$$ = symbol_get (char_name ($1), @1);
symbol_class_set ($$, token_sym, @1, false);
symbol_user_token_number_set ($$, $1, @1);