+2006-08-14 Steve Ellcey <sje@cup.hp.com>
+
+ PR c++/28288
+ PR c++/14556
+ * operators.def: Remove <?, ?>, <?=, and >?= operators.
+ * parser.c: Remove CPP_MIN, CPP_MAX, CPP_MIN_EQ, and CPP_MAX_EQ.
+ (cp_parser_warn_min_max): Remove.
+
2006-08-11 Jason Merrill <jason@redhat.com>
PR c++/28559
DEF_SIMPLE_OPERATOR ("[]", ARRAY_REF, "ix", 2)
DEF_SIMPLE_OPERATOR ("++", POSTINCREMENT_EXPR, "pp", 2)
DEF_SIMPLE_OPERATOR ("--", POSTDECREMENT_EXPR, "mm", 2)
-/* These operators are GNU extensions. */
-DEF_SIMPLE_OPERATOR ("<?", MIN_EXPR, "v23min", 2)
-DEF_SIMPLE_OPERATOR (">?", MAX_EXPR, "v23max", 2)
/* This one is needed for mangling. */
DEF_SIMPLE_OPERATOR ("::", SCOPE_REF, "sr", 2)
DEF_ASSN_OPERATOR ("^=", BIT_XOR_EXPR, "eO", 2)
DEF_ASSN_OPERATOR ("<<=", LSHIFT_EXPR, "lS", 2)
DEF_ASSN_OPERATOR (">>=", RSHIFT_EXPR, "rS", 2)
-/* These operators are GNU extensions. */
-DEF_ASSN_OPERATOR ("<?=", MIN_EXPR, "v23miN", 2)
-DEF_ASSN_OPERATOR (">?=", MAX_EXPR, "v23maX", 2)
/* Ternary operators. */
DEF_SIMPLE_OPERATOR ("?:", COND_EXPR, "qu", 3)
{ CPP_GREATER, GT_EXPR, PREC_RELATIONAL_EXPRESSION },
{ CPP_LESS_EQ, LE_EXPR, PREC_RELATIONAL_EXPRESSION },
{ CPP_GREATER_EQ, GE_EXPR, PREC_RELATIONAL_EXPRESSION },
- { CPP_MIN, MIN_EXPR, PREC_RELATIONAL_EXPRESSION },
- { CPP_MAX, MAX_EXPR, PREC_RELATIONAL_EXPRESSION },
{ CPP_EQ_EQ, EQ_EXPR, PREC_EQUALITY_EXPRESSION },
{ CPP_NOT_EQ, NE_EXPR, PREC_EQUALITY_EXPRESSION },
return token->keyword == keyword;
}
-/* A minimum or maximum operator has been seen. As these are
- deprecated, issue a warning. */
-
-static inline void
-cp_parser_warn_min_max (void)
-{
- if (warn_deprecated && !in_system_header)
- warning (OPT_Wdeprecated, "minimum/maximum operators are deprecated");
-}
-
/* If not parsing tentatively, issue a diagnostic of the form
FILE:LINE: MESSAGE before TOKEN
where TOKEN is the next token in the input stream. MESSAGE
{
/* Get an operator token. */
token = cp_lexer_peek_token (parser->lexer);
- if (token->type == CPP_MIN || token->type == CPP_MAX)
- cp_parser_warn_min_max ();
new_prec = TOKEN_PRECEDENCE (token);
op = BIT_IOR_EXPR;
break;
- case CPP_MIN_EQ:
- op = MIN_EXPR;
- cp_parser_warn_min_max ();
- break;
-
- case CPP_MAX_EQ:
- op = MAX_EXPR;
- cp_parser_warn_min_max ();
- break;
-
default:
/* Nothing else is an assignment operator. */
op = ERROR_MARK;
cp_parser_require (parser, CPP_CLOSE_SQUARE, "`]'");
return ansi_opname (ARRAY_REF);
- /* Extensions. */
- case CPP_MIN:
- id = ansi_opname (MIN_EXPR);
- cp_parser_warn_min_max ();
- break;
-
- case CPP_MAX:
- id = ansi_opname (MAX_EXPR);
- cp_parser_warn_min_max ();
- break;
-
- case CPP_MIN_EQ:
- id = ansi_assopname (MIN_EXPR);
- cp_parser_warn_min_max ();
- break;
-
- case CPP_MAX_EQ:
- id = ansi_assopname (MAX_EXPR);
- cp_parser_warn_min_max ();
- break;
-
default:
/* Anything else is an error. */
break;
+2006-08-14 Steve Ellcey <sje@cup.hp.com>
+
+ PR c++/28288
+ PR c++/14556
+ * include/cpplib.h: Remove <?, >?, <?=, and >?= tokens.
+ (CPP_LAST_EQ): Change.
+ (CPP_LAST_PUNCTUATOR): Change.
+ * expr.c (cpp_operator): Remove MIN and MAX.
+ (reduce): Remove CPP_MIN and CPP_MAX.
+ (num_binary_op): Ditto.
+ * lex.c (_cpp_lex_direct): Ditto.
+ (cpp_avoid_paste): Remove ? as legal symbol after > or <.
+
2006-06-09 Jakub Jelinek <jakub@redhat.com>
PR preprocessor/27746
/* RSHIFT */ {13, LEFT_ASSOC},
/* LSHIFT */ {13, LEFT_ASSOC},
- /* MIN */ {10, LEFT_ASSOC | CHECK_PROMOTION},
- /* MAX */ {10, LEFT_ASSOC | CHECK_PROMOTION},
-
/* COMPL */ {16, NO_L_OPERAND},
/* AND_AND */ {6, LEFT_ASSOC},
/* OR_OR */ {5, LEFT_ASSOC},
case CPP_MINUS:
case CPP_RSHIFT:
case CPP_LSHIFT:
- case CPP_MIN:
- case CPP_MAX:
case CPP_COMMA:
top[-1].value = num_binary_op (pfile, top[-1].value,
top->value, top->op);
{
cpp_num result;
size_t precision = CPP_OPTION (pfile, precision);
- bool gte;
size_t n;
switch (op)
lhs = num_rshift (lhs, precision, n);
break;
- /* Min / Max. */
- case CPP_MIN:
- case CPP_MAX:
- {
- bool unsignedp = lhs.unsignedp || rhs.unsignedp;
-
- gte = num_greater_eq (lhs, rhs, precision);
- if (op == CPP_MIN)
- gte = !gte;
- if (!gte)
- lhs = rhs;
- lhs.unsignedp = unsignedp;
- }
- break;
-
/* Arithmetic. */
case CPP_MINUS:
rhs = num_negate (rhs, precision);
The first group, to CPP_LAST_EQ, can be immediately followed by an
'='. The lexer needs operators ending in '=', like ">>=", to be in
- the same order as their counterparts without the '=', like ">>". */
+ the same order as their counterparts without the '=', like ">>".
+
+ See the cpp_operator table optab in expr.c if you change the order or
+ add or remove anything in the first group. */
#define TTYPE_TABLE \
OP(EQ, "=") \
OP(XOR, "^") \
OP(RSHIFT, ">>") \
OP(LSHIFT, "<<") \
- OP(MIN, "<?") /* extension */ \
- OP(MAX, ">?") \
\
OP(COMPL, "~") \
OP(AND_AND, "&&") /* logical */ \
OP(XOR_EQ, "^=") \
OP(RSHIFT_EQ, ">>=") \
OP(LSHIFT_EQ, "<<=") \
- OP(MIN_EQ, "<?=") /* extension */ \
- OP(MAX_EQ, ">?=") \
/* Digraphs together, beginning with CPP_FIRST_DIGRAPH. */ \
OP(HASH, "#") /* digraphs */ \
OP(PASTE, "##") \
N_TTYPES,
/* Positions in the table. */
- CPP_LAST_EQ = CPP_MAX,
+ CPP_LAST_EQ = CPP_LSHIFT,
CPP_FIRST_DIGRAPH = CPP_HASH,
- CPP_LAST_PUNCTUATOR= CPP_DOT_STAR,
+ CPP_LAST_PUNCTUATOR= CPP_ATSIGN,
CPP_LAST_CPP_OP = CPP_LESS_EQ
};
#undef OP
buffer->cur++;
IF_NEXT_IS ('=', CPP_LSHIFT_EQ, CPP_LSHIFT);
}
- else if (*buffer->cur == '?' && CPP_OPTION (pfile, cplusplus))
- {
- buffer->cur++;
- IF_NEXT_IS ('=', CPP_MIN_EQ, CPP_MIN);
- }
else if (CPP_OPTION (pfile, digraphs))
{
if (*buffer->cur == ':')
buffer->cur++;
IF_NEXT_IS ('=', CPP_RSHIFT_EQ, CPP_RSHIFT);
}
- else if (*buffer->cur == '?' && CPP_OPTION (pfile, cplusplus))
- {
- buffer->cur++;
- IF_NEXT_IS ('=', CPP_MAX_EQ, CPP_MAX);
- }
break;
case '%':
switch (a)
{
- case CPP_GREATER: return c == '>' || c == '?';
- case CPP_LESS: return c == '<' || c == '?' || c == '%' || c == ':';
+ case CPP_GREATER: return c == '>';
+ case CPP_LESS: return c == '<' || c == '%' || c == ':';
case CPP_PLUS: return c == '+';
case CPP_MINUS: return c == '-' || c == '>';
case CPP_DIV: return c == '/' || c == '*'; /* Comments. */
projects / thirdparty / gcc.git / commitdiff
