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PR c++/9680:
	* c-exp.y (REINTERPRET_CAST, DYNAMIC_CAST, STATIC_CAST)
	(CONST_CAST): New tokens.
	(exp): Add new productions.
	(ident_tokens): Add const_cast, dynamic_cast, static_cast, and
	reinterpret_cast.
	(is_cast_operator): New function.
	(yylex): Handle cast operators specially.
	* eval.c (evaluate_subexp_standard) <UNOP_DYNAMIC_CAST,
	UNOP_REINTERPRET_CAST>: New cases.
	* expprint.c (print_subexp_standard): Likewise.
	(op_name_standard): Likewise.
	(dump_subexp_body_standard): Likewise.
	* parse.c (operator_length_standard): Likewise.
	* expression.h (enum exp_opcode): New constants UNOP_DYNAMIC_CAST,
	UNOP_REINTERPRET_CAST.
	* gdbtypes.c (class_types_same_p): New function.
	(is_ancestor): Use it.
	(is_public_ancestor): New function.
	(is_unique_ancestor_worker): Likewise.
	(is_unique_ancestor): Likewise.
	* gdbtypes.h (class_types_same_p, is_public_ancestor)
	(is_unique_ancestor): Declare.
	* valops.c (value_reinterpret_cast): New function.
	(dynamic_cast_check_1): Likewise.
	(dynamic_cast_check_2): Likewise.
	(value_dynamic_cast): Likewise.
	* value.h (value_reinterpret_cast, value_dynamic_cast): Declare.
gdb/testsuite
	PR c++/9680:
	* gdb.cp/casts.cc: Add new classes and variables.
	* gdb.cp/casts.exp: Test new operators.
This commit is contained in:
Tom Tromey
2010-01-18 20:54:35 +00:00
parent d9c57d9ff1
commit 4e8f195d9d
13 changed files with 602 additions and 16 deletions
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18
gdb/expprint.c
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@@ -410,6 +410,18 @@ print_subexp_standard (struct expression *exp, int *pos,
fputs_filtered (")", stream);
return;
case UNOP_DYNAMIC_CAST:
case UNOP_REINTERPRET_CAST:
fputs_filtered (opcode == UNOP_DYNAMIC_CAST ? "dynamic_cast"
: "reinterpret_cast", stream);
fputs_filtered ("<", stream);
(*pos) += 2;
type_print (exp->elts[pc + 1].type, "", stream, 0);
fputs_filtered ("> (", stream);
print_subexp (exp, pos, stream, PREC_PREFIX);
fputs_filtered (")", stream);
return;
case UNOP_MEMVAL:
(*pos) += 2;
if ((int) prec > (int) PREC_PREFIX)
@@ -730,6 +742,10 @@ op_name_standard (enum exp_opcode opcode)
return "OP_ARRAY";
case UNOP_CAST:
return "UNOP_CAST";
case UNOP_DYNAMIC_CAST:
return "UNOP_DYNAMIC_CAST";
case UNOP_REINTERPRET_CAST:
return "UNOP_REINTERPRET_CAST";
case UNOP_MEMVAL:
return "UNOP_MEMVAL";
case UNOP_MEMVAL_TLS:
@@ -1036,6 +1052,8 @@ dump_subexp_body_standard (struct expression *exp,
break;
case UNOP_MEMVAL:
case UNOP_CAST:
case UNOP_DYNAMIC_CAST:
case UNOP_REINTERPRET_CAST:
fprintf_filtered (stream, "Type @");
gdb_print_host_address (exp->elts[elt].type, stream);
fprintf_filtered (stream, " (");