additional tree codes used in the GNU C++ compiler (see tree.def
for the standard codes).
Copyright (C) 1987, 1988, 1990, 1993, 1997, 1998, 2003, 2004, 2005,
- 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2010, 2011
+ Free Software Foundation, Inc.
Hacked by Michael Tiemann (tiemann@cygnus.com)
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful,
GNU General Public License for more details.
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, 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
/* 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)
+
+/* Initialization of an array from another array, expressed at a high level
+ so that it works with TARGET_EXPR. Operand 0 is the target, operand 1
+ is the initializer. */
+DEFTREECODE (VEC_INIT_EXPR, "vec_init_expr", tcc_expression, 2)
/* A throw expression. operand 0 is the expression, if there was one,
else it is NULL_TREE. */
DEFTREECODE (USING_DECL, "using_decl", tcc_declaration, 0)
/* A using directive. The operand is USING_STMT_NAMESPACE. */
-DEFTREECODE (USING_STMT, "using_directive", tcc_statement, 1)
+DEFTREECODE (USING_STMT, "using_stmt", tcc_statement, 1)
/* An un-parsed default argument. Holds a vector of input tokens and
a vector of places where the argument was instantiated before
parsing had occurred. */
DEFTREECODE (DEFAULT_ARG, "default_arg", tcc_exceptional, 0)
+/* An uninstantiated noexcept-specification. DEFERRED_NOEXCEPT_PATTERN is
+ the pattern from the template, and DEFERRED_NOEXCEPT_ARGS are the
+ template arguments to substitute into the pattern when needed. */
+DEFTREECODE (DEFERRED_NOEXCEPT, "deferred_noexcept", tcc_exceptional, 0)
+
/* A template-id, like foo<int>. The first operand is the template.
The second is NULL if there are no explicit arguments, or a
TREE_VEC of arguments. The template will be a FUNCTION_DECL,
DEFTREECODE (CONST_CAST_EXPR, "const_cast_expr", tcc_unary, 1)
DEFTREECODE (STATIC_CAST_EXPR, "static_cast_expr", tcc_unary, 1)
DEFTREECODE (DYNAMIC_CAST_EXPR, "dynamic_cast_expr", tcc_unary, 1)
+DEFTREECODE (IMPLICIT_CONV_EXPR, "implicit_conv_expr", tcc_unary, 1)
DEFTREECODE (DOTSTAR_EXPR, "dotstar_expr", tcc_expression, 2)
DEFTREECODE (TYPEID_EXPR, "typeid_expr", tcc_expression, 1)
+DEFTREECODE (NOEXCEPT_EXPR, "noexcept_expr", tcc_unary, 1)
/* A placeholder for an expression that is not type-dependent, but
does occur in a template. When an expression that is not
DEFTREECODE (CLEANUP_STMT, "cleanup_stmt", tcc_statement, 3)
/* Represents an 'if' statement. The operands are IF_COND,
- THEN_CLAUSE, and ELSE_CLAUSE, respectively. */
+ THEN_CLAUSE, and ELSE_CLAUSE, and the current scope, respectively. */
/* ??? It is currently still necessary to distinguish between IF_STMT
and COND_EXPR for the benefit of templates. */
-DEFTREECODE (IF_STMT, "if_stmt", tcc_statement, 3)
+DEFTREECODE (IF_STMT, "if_stmt", tcc_statement, 4)
/* Used to represent a `for' statement. The operands are
FOR_INIT_STMT, FOR_COND, FOR_EXPR, and FOR_BODY, respectively. */
-DEFTREECODE (FOR_STMT, "for_stmt", tcc_statement, 4)
+DEFTREECODE (FOR_STMT, "for_stmt", tcc_statement, 5)
+
+/* Used to represent a range-based `for' statement. The operands are
+ RANGE_FOR_DECL, RANGE_FOR_EXPR, RANGE_FOR_BODY, and RANGE_FOR_SCOPE,
+ respectively. Only used in templates. */
+DEFTREECODE (RANGE_FOR_STMT, "range_for_stmt", tcc_statement, 4)
/* Used to represent a 'while' statement. The operands are WHILE_COND
and WHILE_BODY, respectively. */
DEFTREECODE (CONTINUE_STMT, "continue_stmt", tcc_statement, 0)
/* Used to represent a 'switch' statement. The operands are
- SWITCH_STMT_COND, SWITCH_STMT_BODY and SWITCH_STMT_TYPE, respectively. */
-DEFTREECODE (SWITCH_STMT, "switch_stmt", tcc_statement, 3)
+ SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE, and
+ SWITCH_STMT_SCOPE, respectively. */
+DEFTREECODE (SWITCH_STMT, "switch_stmt", tcc_statement, 4)
/* Used to represent an expression statement. Use `EXPR_STMT_EXPR' to
obtain the expression. */
DEFTREECODE (TAG_DEFN, "tag_defn", tcc_expression, 0)
-/* Template instantiation level node.
-
- TINST_DECL contains the original DECL node.
- TINST_LOCATION contains the location where the template is instantiated.
- TINST_IN_SYSTEM_HEADER_P is true if the location is in a system header.
-
- A stack of template instantiation nodes is kept through the TREE_CHAIN
- fields of these nodes. */
-
-DEFTREECODE (TINST_LEVEL, "TINST_LEVEL", tcc_exceptional, 0)
-
/* Represents an 'offsetof' expression during template expansion. */
DEFTREECODE (OFFSETOF_EXPR, "offsetof_expr", tcc_expression, 1)
expansion. */
DEFTREECODE (ALIGNOF_EXPR, "alignof_expr", tcc_expression, 1)
+/* Represents an Objective-C++ '@encode' expression during template
+ expansion. */
+DEFTREECODE (AT_ENCODE_EXPR, "at_encode_expr", tcc_expression, 1)
+
/* A STMT_EXPR represents a statement-expression during template
expansion. This is the GCC extension { ( ... ) }. The
STMT_EXPR_STMT is the statement given by the expression. */
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 PACK_EXPANSION_PATTERN 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, 3)
+
+/* 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)
+
+/* A lambda expression. This is a C++0x extension.
+ LAMBDA_EXPR_DEFAULT_CAPTURE_MODE is an enum for the default, which may be
+ none.
+ LAMBDA_EXPR_CAPTURE_LIST holds the capture-list, including `this'.
+ LAMBDA_EXPR_THIS_CAPTURE goes straight to the capture of `this', if it exists.
+ LAMBDA_EXPR_PENDING_PROXIES is a vector of capture proxies which need to
+ be pushed once scope returns to the lambda.
+ LAMBDA_EXPR_MUTABLE_P signals whether this lambda was declared mutable.
+ LAMBDA_EXPR_RETURN_TYPE holds the return type, if it was specified. */
+DEFTREECODE (LAMBDA_EXPR, "lambda_expr", tcc_exceptional, 0)
+
+/* The declared type of an expression. This is a C++0x extension.
+ DECLTYPE_TYPE_EXPR is the expression whose type we are computing.
+ DECLTYPE_TYPE_ID_EXPR_OR_MEMBER_ACCESS_P states whether the
+ expression was parsed as an id-expression or a member access
+ expression. When false, it was parsed as a full expression.
+ DECLTYPE_FOR_LAMBDA_CAPTURE is set if we want lambda capture semantics.
+ DECLTYPE_FOR_LAMBDA_RETURN is set if we want lambda return deduction. */
+DEFTREECODE (DECLTYPE_TYPE, "decltype_type", tcc_type, 0)
+
+/* A type designated by `__underlying_type (type)'.
+ UNDERLYING_TYPE_TYPE is the type in question. */
+DEFTREECODE (UNDERLYING_TYPE, "underlying_type", tcc_type, 0)
+
+/* A type designated by one of the bases type traits.
+ BASES_TYPE is the type in question. */
+DEFTREECODE (BASES, "bases", tcc_type, 0)
+
+/* Used to represent the template information stored by template
+ specializations.
+ The accessors are:
+ TI_TEMPLATE the template declaration associated to the specialization
+ TI_ARGS the arguments of the template specialization
+ TI_TYPEDEFS_NEEDING_ACCESS_CHECKING the vector of typedefs used in
+ the pattern of the template for which access check is needed at template
+ instantiation time. */
+DEFTREECODE (TEMPLATE_INFO, "template_info", tcc_exceptional, 0)
+
/*
Local variables:
mode:c
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