You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
/* An OFFSET_REF is used in two situations:
operator converts to. Operand is expression to be converted. */
DEFTREECODE (TYPE_EXPR, "type_expr", tcc_expression, 1)
-/* For AGGR_INIT_EXPR, operand 0 is function which performs initialization,
- operand 1 is argument list to initialization function,
- and operand 2 is the slot which was allocated for this expression. */
-DEFTREECODE (AGGR_INIT_EXPR, "aggr_init_expr", tcc_expression, 3)
+/* AGGR_INIT_EXPRs have a variably-sized representation similar to
+ that of CALL_EXPRs. Operand 0 is an INTEGER_CST node containing the
+ operand count, operand 1 is the function which performs initialization,
+ operand 2 is the slot which was allocated for this expression, and
+ the remaining operands are the arguments to the initialization function. */
+DEFTREECODE (AGGR_INIT_EXPR, "aggr_init_expr", tcc_vl_exp, 3)
/* A throw expression. operand 0 is the expression, if there was one,
else it is NULL_TREE. */
these to avoid actually creating instances of the empty classes. */
DEFTREECODE (EMPTY_CLASS_EXPR, "empty_class_expr", tcc_expression, 0)
-/* A DECL which is really just a placeholder for an expression. Used to
- implement non-class scope anonymous unions. */
-DEFTREECODE (ALIAS_DECL, "alias_decl", tcc_declaration, 0)
-
/* A reference to a member function or member functions from a base
class. BASELINK_FUNCTIONS gives the FUNCTION_DECL,
TEMPLATE_DECL, OVERLOAD, or TEMPLATE_ID_EXPR corresponding to the
/* Template definition. The following fields have the specified uses,
although there are other macros in cp-tree.h that should be used for
accessing this data.
- DECL_ARGUMENTS template parm vector
- DECL_TEMPLATE_INFO template text &c
+ DECL_ARGUMENTS template parm vector
+ DECL_TEMPLATE_INFO template text &c
DECL_VINDEX list of instantiations already produced;
only done for functions so far
For class template:
- DECL_INITIAL associated templates (methods &c)
- DECL_TEMPLATE_RESULT null
+ DECL_INITIAL associated templates (methods &c)
+ DECL_TEMPLATE_RESULT null
For non-class templates:
TREE_TYPE type of object to be constructed
- DECL_TEMPLATE_RESULT decl for object to be created
- (e.g., FUNCTION_DECL with tmpl parms used)
+ DECL_TEMPLATE_RESULT decl for object to be created
+ (e.g., FUNCTION_DECL with tmpl parms used)
*/
DEFTREECODE (TEMPLATE_DECL, "template_decl", tcc_declaration, 0)
struct S
{
template <class U, // Index 0, Level 2.
- class V> // Index 1, Level 2.
+ class V> // Index 1, Level 2.
void f();
};
struct S<int>
{
template <class U, // Index 0, Level 1, Orig Level 2
- class V> // Index 1, Level 1, Orig Level 2
+ class V> // Index 1, Level 1, Orig Level 2
void f();
};
BOUND_TEMPLATE_TEMPLATE_PARM. */
/* Index into a template parameter list. This parameter must be a type.
- The type.value field will be a TEMPLATE_PARM_INDEX. */
+ The type.values field will be a TEMPLATE_PARM_INDEX. */
DEFTREECODE (TEMPLATE_TYPE_PARM, "template_type_parm", tcc_type, 0)
/* A type designated by `typename T::t'. TYPE_CONTEXT is `T',
DEFTREECODE (OFFSETOF_EXPR, "offsetof_expr", tcc_expression, 1)
/* Represents a 'sizeof' expression during template expansion. */
-DEFTREECODE (SIZEOF_EXPR, "sizeof_expr", tcc_unary, 1)
+DEFTREECODE (SIZEOF_EXPR, "sizeof_expr", tcc_expression, 1)
/* Represents the -> operator during template expansion. */
DEFTREECODE (ARROW_EXPR, "arrow_expr", tcc_expression, 1)
/* Represents an '__alignof__' expression during template
expansion. */
-DEFTREECODE (ALIGNOF_EXPR, "alignof_expr", tcc_unary, 1)
+DEFTREECODE (ALIGNOF_EXPR, "alignof_expr", tcc_expression, 1)
/* A STMT_EXPR represents a statement-expression during template
expansion. This is the GCC extension { ( ... ) }. The
is applied. */
DEFTREECODE (UNARY_PLUS_EXPR, "unary_plus_expr", tcc_unary, 1)
+/** C++0x extensions. */
+
+/* A static assertion. This is a C++0x extension.
+ STATIC_ASSERT_CONDITION contains the condition that is being
+ checked. STATIC_ASSERT_MESSAGE contains the message (a string
+ literal) to be displayed if the condition fails to hold. */
+DEFTREECODE (STATIC_ASSERT, "static_assert", tcc_exceptional, 0)
+
+/* Represents an argument pack of types (or templates). An argument
+ pack stores zero or more arguments that will be used to instantiate
+ a parameter pack.
+
+ ARGUMENT_PACK_ARGS retrieves the arguments stored in the argument
+ pack.
+
+ Example:
+ template<typename... Values>
+ class tuple { ... };
+
+ tuple<int, float, double> t;
+
+ Values is a (template) parameter pack. When tuple<int, float,
+ double> is instantiated, the Values parameter pack is instantiated
+ with the argument pack <int, float, double>. ARGUMENT_PACK_ARGS will
+ be a TREE_VEC containing int, float, and double. */
+DEFTREECODE (TYPE_ARGUMENT_PACK, "type_argument_pack", tcc_type, 0)
+
+/* Represents an argument pack of values, which can be used either for
+ non-type template arguments or function call arguments.
+
+ NONTYPE_ARGUMENT_PACK plays precisely the same role as
+ TYPE_ARGUMENT_PACK, but will be used for packing non-type template
+ arguments (e.g., "int... Dimensions") or function arguments ("const
+ Args&... args"). */
+DEFTREECODE (NONTYPE_ARGUMENT_PACK, "nontype_argument_pack", tcc_expression, 1)
+
+/* Represents a type expression that will be expanded into a list of
+ types when instantiated with one or more argument packs.
+
+ PACK_EXPANSION_PATTERN retrieves the expansion pattern. This is
+ the type or expression that we will substitute into with each
+ argument in an argument pack.
+
+ SET_PACK_EXPANSION_PATTERN sets the expansion pattern.
+
+ PACK_EXPANSION_PARAMETER_PACKS contains a TREE_LIST of the parameter
+ packs that are used in this pack expansion.
+
+ Example:
+ template<typename... Values>
+ struct tied : tuple<Values&...> {
+ // ...
+ };
+
+ The derivation from tuple contains a TYPE_PACK_EXPANSION for the
+ template arguments. Its EXPR_PACK_EXPANSION is "Values&" and its
+ PACK_EXPANSION_PARAMETER_PACKS will contain "Values". */
+DEFTREECODE (TYPE_PACK_EXPANSION, "type_pack_expansion", tcc_type, 0)
+
+/* Represents an expression that will be expanded into a list of
+ expressions when instantiated with one or more argument packs.
+
+ EXPR_PACK_EXPANSION plays precisely the same role as TYPE_PACK_EXPANSION,
+ but will be used for expressions. */
+DEFTREECODE (EXPR_PACK_EXPANSION, "expr_pack_expansion", tcc_expression, 1)
+
+/* Selects the Ith parameter out of an argument pack. This node will
+ be used when instantiating pack expansions; see
+ tsubst_pack_expansion.
+
+ ARGUMENT_PACK_SELECT_FROM_PACK contains the *_ARGUMENT_PACK node
+ from which the argument will be selected.
+
+ ARGUMENT_PACK_SELECT_INDEX contains the index into the argument
+ pack that will be returned by this ARGUMENT_PACK_SELECT node. The
+ index is a machine integer. */
+DEFTREECODE (ARGUMENT_PACK_SELECT, "argument_pack_select", tcc_exceptional, 0)
+
+/** C++ extensions. */
+
+/* Represents a trait expression during template expansion. */
+DEFTREECODE (TRAIT_EXPR, "trait_expr", tcc_exceptional, 0)
+
/*
Local variables:
mode:c
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