diff options
Diffstat (limited to 'gcc-4.8.1/gcc/ada/gcc-interface/ada-tree.h')
| -rw-r--r-- | gcc-4.8.1/gcc/ada/gcc-interface/ada-tree.h | 511 |
1 files changed, 0 insertions, 511 deletions
diff --git a/gcc-4.8.1/gcc/ada/gcc-interface/ada-tree.h b/gcc-4.8.1/gcc/ada/gcc-interface/ada-tree.h deleted file mode 100644 index ec00cc477..000000000 --- a/gcc-4.8.1/gcc/ada/gcc-interface/ada-tree.h +++ /dev/null @@ -1,511 +0,0 @@ -/**************************************************************************** - * * - * GNAT COMPILER COMPONENTS * - * * - * A D A - T R E E * - * * - * C Header File * - * * - * Copyright (C) 1992-2012, Free Software Foundation, Inc. * - * * - * GNAT is free software; you can redistribute it and/or modify it under * - * terms of the GNU General Public License as published by the Free Soft- * - * ware Foundation; either version 3, or (at your option) any later ver- * - * sion. GNAT is distributed in the hope that it will be useful, but WITH- * - * OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * - * or FITNESS FOR A PARTICULAR PURPOSE. See the 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 COPYING3. If not see * - * <http://www.gnu.org/licenses/>. * - * * - * GNAT was originally developed by the GNAT team at New York University. * - * Extensive contributions were provided by Ada Core Technologies Inc. * - * * - ****************************************************************************/ - -/* The resulting tree type. */ -union GTY((desc ("0"), - chain_next ("CODE_CONTAINS_STRUCT (TREE_CODE (&%h.generic), TS_COMMON) ? ((union lang_tree_node *) TREE_CHAIN (&%h.generic)) : NULL"))) - lang_tree_node -{ - union tree_node GTY((tag ("0"), - desc ("tree_node_structure (&%h)"))) generic; -}; - -/* Ada uses the lang_decl and lang_type fields to hold a tree. - - FIXME: the variable_size annotation here is needed because these types are - variable-sized in some other front-ends. Due to gengtype deficiency, the - GTY options of such types have to agree across all front-ends. */ -struct GTY((variable_size)) lang_type { tree t; }; -struct GTY((variable_size)) lang_decl { tree t; }; - -/* Macros to get and set the tree in TYPE_LANG_SPECIFIC. */ -#define GET_TYPE_LANG_SPECIFIC(NODE) \ - (TYPE_LANG_SPECIFIC (NODE) ? TYPE_LANG_SPECIFIC (NODE)->t : NULL_TREE) - -#define SET_TYPE_LANG_SPECIFIC(NODE, X) \ -do { \ - tree tmp = (X); \ - if (!TYPE_LANG_SPECIFIC (NODE)) \ - TYPE_LANG_SPECIFIC (NODE) \ - = ggc_alloc_lang_type (sizeof (struct lang_type)); \ - TYPE_LANG_SPECIFIC (NODE)->t = tmp; \ -} while (0) - -/* Macros to get and set the tree in DECL_LANG_SPECIFIC. */ -#define GET_DECL_LANG_SPECIFIC(NODE) \ - (DECL_LANG_SPECIFIC (NODE) ? DECL_LANG_SPECIFIC (NODE)->t : NULL_TREE) - -#define SET_DECL_LANG_SPECIFIC(NODE, X) \ -do { \ - tree tmp = (X); \ - if (!DECL_LANG_SPECIFIC (NODE)) \ - DECL_LANG_SPECIFIC (NODE) \ - = ggc_alloc_lang_decl (sizeof (struct lang_decl)); \ - DECL_LANG_SPECIFIC (NODE)->t = tmp; \ -} while (0) - - -/* Flags added to type nodes. */ - -/* For RECORD_TYPE, UNION_TYPE, and QUAL_UNION_TYPE, nonzero if this is a - record being used as a fat pointer (only true for RECORD_TYPE). */ -#define TYPE_FAT_POINTER_P(NODE) \ - TYPE_LANG_FLAG_0 (RECORD_OR_UNION_CHECK (NODE)) - -#define TYPE_IS_FAT_POINTER_P(NODE) \ - (TREE_CODE (NODE) == RECORD_TYPE && TYPE_FAT_POINTER_P (NODE)) - -/* For integral types and array types, nonzero if this is a packed array type - used for bit-packed types. Such types should not be extended to a larger - size or validated against a specified size. */ -#define TYPE_PACKED_ARRAY_TYPE_P(NODE) \ - TYPE_LANG_FLAG_0 (TREE_CHECK2 (NODE, INTEGER_TYPE, ARRAY_TYPE)) - -#define TYPE_IS_PACKED_ARRAY_TYPE_P(NODE) \ - ((TREE_CODE (NODE) == INTEGER_TYPE || TREE_CODE (NODE) == ARRAY_TYPE) \ - && TYPE_PACKED_ARRAY_TYPE_P (NODE)) - -/* For INTEGER_TYPE, nonzero if this is a modular type with a modulus that - is not equal to two to the power of its mode's size. */ -#define TYPE_MODULAR_P(NODE) TYPE_LANG_FLAG_1 (INTEGER_TYPE_CHECK (NODE)) - -/* For ARRAY_TYPE, nonzero if this type corresponds to a dimension of - an Ada array other than the first. */ -#define TYPE_MULTI_ARRAY_P(NODE) TYPE_LANG_FLAG_1 (ARRAY_TYPE_CHECK (NODE)) - -/* For FUNCTION_TYPE, nonzero if this denotes a function returning an - unconstrained array or record. */ -#define TYPE_RETURN_UNCONSTRAINED_P(NODE) \ - TYPE_LANG_FLAG_1 (FUNCTION_TYPE_CHECK (NODE)) - -/* For RECORD_TYPE, UNION_TYPE, and QUAL_UNION_TYPE, nonzero if this denotes - a justified modular type (will only be true for RECORD_TYPE). */ -#define TYPE_JUSTIFIED_MODULAR_P(NODE) \ - TYPE_LANG_FLAG_1 (RECORD_OR_UNION_CHECK (NODE)) - -/* Nonzero in an arithmetic subtype if this is a subtype not known to the - front-end. */ -#define TYPE_EXTRA_SUBTYPE_P(NODE) TYPE_LANG_FLAG_2 (INTEGER_TYPE_CHECK (NODE)) - -/* Nonzero for an aggregate type if this is a by-reference type. We also - set this on an ENUMERAL_TYPE that is dummy. */ -#define TYPE_BY_REFERENCE_P(NODE) \ - TYPE_LANG_FLAG_2 (TREE_CHECK5 (NODE, RECORD_TYPE, UNION_TYPE, \ - ARRAY_TYPE, UNCONSTRAINED_ARRAY_TYPE, \ - ENUMERAL_TYPE)) - -#define TYPE_IS_BY_REFERENCE_P(NODE) \ - ((TREE_CODE (NODE) == RECORD_TYPE \ - || TREE_CODE (NODE) == UNION_TYPE \ - || TREE_CODE (NODE) == ARRAY_TYPE \ - || TREE_CODE (NODE) == UNCONSTRAINED_ARRAY_TYPE \ - || TREE_CODE (NODE) == ENUMERAL_TYPE) \ - && TYPE_BY_REFERENCE_P (NODE)) - -/* For INTEGER_TYPE, nonzero if this really represents a VAX - floating-point type. */ -#define TYPE_VAX_FLOATING_POINT_P(NODE) \ - TYPE_LANG_FLAG_3 (INTEGER_TYPE_CHECK (NODE)) - -/* For RECORD_TYPE, UNION_TYPE, and QUAL_UNION_TYPE, nonzero if this is the - type for an object whose type includes its template in addition to - its value (only true for RECORD_TYPE). */ -#define TYPE_CONTAINS_TEMPLATE_P(NODE) \ - TYPE_LANG_FLAG_3 (RECORD_OR_UNION_CHECK (NODE)) - -/* True if NODE is a thin pointer. */ -#define TYPE_IS_THIN_POINTER_P(NODE) \ - (POINTER_TYPE_P (NODE) \ - && TREE_CODE (TREE_TYPE (NODE)) == RECORD_TYPE \ - && TYPE_CONTAINS_TEMPLATE_P (TREE_TYPE (NODE))) - -/* True if TYPE is either a fat or thin pointer to an unconstrained - array. */ -#define TYPE_IS_FAT_OR_THIN_POINTER_P(NODE) \ - (TYPE_IS_FAT_POINTER_P (NODE) || TYPE_IS_THIN_POINTER_P (NODE)) - -/* For INTEGER_TYPEs, nonzero if the type has a biased representation. */ -#define TYPE_BIASED_REPRESENTATION_P(NODE) \ - TYPE_LANG_FLAG_4 (INTEGER_TYPE_CHECK (NODE)) - -/* For ARRAY_TYPEs, nonzero if the array type has Convention_Fortran. */ -#define TYPE_CONVENTION_FORTRAN_P(NODE) \ - TYPE_LANG_FLAG_4 (ARRAY_TYPE_CHECK (NODE)) - -/* For FUNCTION_TYPEs, nonzero if the function returns by direct reference, - i.e. the callee returns a pointer to a memory location it has allocated - and the caller only needs to dereference the pointer. */ -#define TYPE_RETURN_BY_DIRECT_REF_P(NODE) \ - TYPE_LANG_FLAG_4 (FUNCTION_TYPE_CHECK (NODE)) - -/* For RECORD_TYPE, UNION_TYPE and ENUMERAL_TYPE, nonzero if this is a dummy - type, made to correspond to a private or incomplete type. */ -#define TYPE_DUMMY_P(NODE) \ - TYPE_LANG_FLAG_4 (TREE_CHECK3 (NODE, RECORD_TYPE, UNION_TYPE, ENUMERAL_TYPE)) - -#define TYPE_IS_DUMMY_P(NODE) \ - ((TREE_CODE (NODE) == RECORD_TYPE \ - || TREE_CODE (NODE) == UNION_TYPE \ - || TREE_CODE (NODE) == ENUMERAL_TYPE) \ - && TYPE_DUMMY_P (NODE)) - -/* For an INTEGER_TYPE, nonzero if TYPE_ACTUAL_BOUNDS is present. */ -#define TYPE_HAS_ACTUAL_BOUNDS_P(NODE) \ - TYPE_LANG_FLAG_5 (INTEGER_TYPE_CHECK (NODE)) - -/* For a RECORD_TYPE, nonzero if this was made just to supply needed - padding or alignment. */ -#define TYPE_PADDING_P(NODE) TYPE_LANG_FLAG_5 (RECORD_TYPE_CHECK (NODE)) - -#define TYPE_IS_PADDING_P(NODE) \ - (TREE_CODE (NODE) == RECORD_TYPE && TYPE_PADDING_P (NODE)) - -/* True if TYPE can alias any other types. */ -#define TYPE_UNIVERSAL_ALIASING_P(NODE) TYPE_LANG_FLAG_6 (NODE) - -/* For an UNCONSTRAINED_ARRAY_TYPE, this is the record containing both the - template and the object. - - ??? We also put this on an ENUMERAL_TYPE that is dummy. Technically, - this is a conflict on the minval field, but there doesn't seem to be - simple fix, so we'll live with this kludge for now. */ -#define TYPE_OBJECT_RECORD_TYPE(NODE) \ - (TYPE_MINVAL (TREE_CHECK2 ((NODE), UNCONSTRAINED_ARRAY_TYPE, ENUMERAL_TYPE))) - -/* For numerical types, this is the GCC lower bound of the type. The GCC - type system is based on the invariant that an object X of a given type - cannot hold at run time a value smaller than its lower bound; otherwise - the behavior is undefined. The optimizer takes advantage of this and - considers that the assertion X >= LB is always true. */ -#define TYPE_GCC_MIN_VALUE(NODE) (TYPE_MINVAL (NUMERICAL_TYPE_CHECK (NODE))) - -/* For numerical types, this is the GCC upper bound of the type. The GCC - type system is based on the invariant that an object X of a given type - cannot hold at run time a value larger than its upper bound; otherwise - the behavior is undefined. The optimizer takes advantage of this and - considers that the assertion X <= UB is always true. */ -#define TYPE_GCC_MAX_VALUE(NODE) (TYPE_MAXVAL (NUMERICAL_TYPE_CHECK (NODE))) - -/* For a FUNCTION_TYPE, if the subprogram has parameters passed by copy in/ - copy out, this is the list of nodes used to specify the return values of - the out (or in out) parameters that are passed by copy in/copy out. For - a full description of the copy in/copy out parameter passing mechanism - refer to the routine gnat_to_gnu_entity. */ -#define TYPE_CI_CO_LIST(NODE) TYPE_LANG_SLOT_1 (FUNCTION_TYPE_CHECK (NODE)) - -/* For a VECTOR_TYPE, this is the representative array type. */ -#define TYPE_REPRESENTATIVE_ARRAY(NODE) \ - TYPE_LANG_SLOT_1 (VECTOR_TYPE_CHECK (NODE)) - -/* For numerical types, this holds various RM-defined values. */ -#define TYPE_RM_VALUES(NODE) TYPE_LANG_SLOT_1 (NUMERICAL_TYPE_CHECK (NODE)) - -/* Macros to get and set the individual values in TYPE_RM_VALUES. */ -#define TYPE_RM_VALUE(NODE, N) \ - (TYPE_RM_VALUES (NODE) \ - ? TREE_VEC_ELT (TYPE_RM_VALUES (NODE), (N)) : NULL_TREE) - -#define SET_TYPE_RM_VALUE(NODE, N, X) \ -do { \ - tree tmp = (X); \ - if (!TYPE_RM_VALUES (NODE)) \ - TYPE_RM_VALUES (NODE) = make_tree_vec (3); \ - /* ??? The field is not visited by the generic \ - code so we need to mark it manually. */ \ - MARK_VISITED (tmp); \ - TREE_VEC_ELT (TYPE_RM_VALUES (NODE), (N)) = tmp; \ -} while (0) - -/* For numerical types, this is the RM size of the type, aka its precision. - There is a discrepancy between what is called precision here (and more - generally throughout gigi) and what is called precision in the GCC type - system: in the former case it's TYPE_RM_SIZE whereas it's TYPE_PRECISION - in the latter case. They are not identical because of the need to support - invalid values. - - These values can be outside the range of values allowed by the RM size - but they must nevertheless be valid in the GCC type system, otherwise - the optimizer can pretend that they simply don't exist. Therefore they - must be within the range of values allowed by the precision in the GCC - sense, hence TYPE_PRECISION be set to the Esize, not the RM size. */ -#define TYPE_RM_SIZE(NODE) TYPE_RM_VALUE ((NODE), 0) -#define SET_TYPE_RM_SIZE(NODE, X) SET_TYPE_RM_VALUE ((NODE), 0, (X)) - -/* For numerical types, this is the RM lower bound of the type. There is - again a discrepancy between this lower bound and the GCC lower bound, - again because of the need to support invalid values. - - These values can be outside the range of values allowed by the RM lower - bound but they must nevertheless be valid in the GCC type system, otherwise - the optimizer can pretend that they simply don't exist. Therefore they - must be within the range of values allowed by the lower bound in the GCC - sense, hence the GCC lower bound be set to that of the base type. */ -#define TYPE_RM_MIN_VALUE(NODE) TYPE_RM_VALUE ((NODE), 1) -#define SET_TYPE_RM_MIN_VALUE(NODE, X) SET_TYPE_RM_VALUE ((NODE), 1, (X)) - -/* For numerical types, this is the RM upper bound of the type. There is - again a discrepancy between this upper bound and the GCC upper bound, - again because of the need to support invalid values. - - These values can be outside the range of values allowed by the RM upper - bound but they must nevertheless be valid in the GCC type system, otherwise - the optimizer can pretend that they simply don't exist. Therefore they - must be within the range of values allowed by the upper bound in the GCC - sense, hence the GCC upper bound be set to that of the base type. */ -#define TYPE_RM_MAX_VALUE(NODE) TYPE_RM_VALUE ((NODE), 2) -#define SET_TYPE_RM_MAX_VALUE(NODE, X) SET_TYPE_RM_VALUE ((NODE), 2, (X)) - -/* For numerical types, this is the lower bound of the type, i.e. the RM lower - bound for language-defined types and the GCC lower bound for others. */ -#undef TYPE_MIN_VALUE -#define TYPE_MIN_VALUE(NODE) \ - (TYPE_RM_MIN_VALUE (NODE) \ - ? TYPE_RM_MIN_VALUE (NODE) : TYPE_GCC_MIN_VALUE (NODE)) - -/* For numerical types, this is the upper bound of the type, i.e. the RM upper - bound for language-defined types and the GCC upper bound for others. */ -#undef TYPE_MAX_VALUE -#define TYPE_MAX_VALUE(NODE) \ - (TYPE_RM_MAX_VALUE (NODE) \ - ? TYPE_RM_MAX_VALUE (NODE) : TYPE_GCC_MAX_VALUE (NODE)) - -/* For an INTEGER_TYPE with TYPE_MODULAR_P, this is the value of the - modulus. */ -#define TYPE_MODULUS(NODE) \ - GET_TYPE_LANG_SPECIFIC (INTEGER_TYPE_CHECK (NODE)) -#define SET_TYPE_MODULUS(NODE, X) \ - SET_TYPE_LANG_SPECIFIC (INTEGER_TYPE_CHECK (NODE), X) - -/* For an INTEGER_TYPE with TYPE_VAX_FLOATING_POINT_P, this is the - Digits_Value. */ -#define TYPE_DIGITS_VALUE(NODE) \ - GET_TYPE_LANG_SPECIFIC (INTEGER_TYPE_CHECK (NODE)) -#define SET_TYPE_DIGITS_VALUE(NODE, X) \ - SET_TYPE_LANG_SPECIFIC (INTEGER_TYPE_CHECK (NODE), X) - -/* For an INTEGER_TYPE that is the TYPE_DOMAIN of some ARRAY_TYPE, this is - the type corresponding to the Ada index type. */ -#define TYPE_INDEX_TYPE(NODE) \ - GET_TYPE_LANG_SPECIFIC (INTEGER_TYPE_CHECK (NODE)) -#define SET_TYPE_INDEX_TYPE(NODE, X) \ - SET_TYPE_LANG_SPECIFIC (INTEGER_TYPE_CHECK (NODE), X) - -/* For an INTEGER_TYPE with TYPE_HAS_ACTUAL_BOUNDS_P or an ARRAY_TYPE, this is - the index type that should be used when the actual bounds are required for - a template. This is used in the case of packed arrays. */ -#define TYPE_ACTUAL_BOUNDS(NODE) \ - GET_TYPE_LANG_SPECIFIC (TREE_CHECK2 (NODE, INTEGER_TYPE, ARRAY_TYPE)) -#define SET_TYPE_ACTUAL_BOUNDS(NODE, X) \ - SET_TYPE_LANG_SPECIFIC (TREE_CHECK2 (NODE, INTEGER_TYPE, ARRAY_TYPE), X) - -/* For a POINTER_TYPE that points to the template type of an unconstrained - array type, this is the address to be used in a null fat pointer. */ -#define TYPE_NULL_BOUNDS(NODE) \ - GET_TYPE_LANG_SPECIFIC (POINTER_TYPE_CHECK (NODE)) -#define SET_TYPE_NULL_BOUNDS(NODE, X) \ - SET_TYPE_LANG_SPECIFIC (POINTER_TYPE_CHECK (NODE), X) - -/* For a RECORD_TYPE that is a fat pointer, this is the type for the - unconstrained array. Likewise for a RECORD_TYPE that is pointed - to by a thin pointer, if it is made for the unconstrained array - type itself; the field is NULL_TREE if the RECORD_TYPE is made - for a constrained subtype of the array type. */ -#define TYPE_UNCONSTRAINED_ARRAY(NODE) \ - GET_TYPE_LANG_SPECIFIC (RECORD_TYPE_CHECK (NODE)) -#define SET_TYPE_UNCONSTRAINED_ARRAY(NODE, X) \ - SET_TYPE_LANG_SPECIFIC (RECORD_TYPE_CHECK (NODE), X) - -/* For other RECORD_TYPEs and all UNION_TYPEs and QUAL_UNION_TYPEs, this is - the Ada size of the object. This differs from the GCC size in that it - does not include any rounding up to the alignment of the type. */ -#define TYPE_ADA_SIZE(NODE) \ - GET_TYPE_LANG_SPECIFIC (RECORD_OR_UNION_CHECK (NODE)) -#define SET_TYPE_ADA_SIZE(NODE, X) \ - SET_TYPE_LANG_SPECIFIC (RECORD_OR_UNION_CHECK (NODE), X) - - -/* Flags added to decl nodes. */ - -/* Nonzero in a FUNCTION_DECL that represents a stubbed function - discriminant. */ -#define DECL_STUBBED_P(NODE) DECL_LANG_FLAG_0 (FUNCTION_DECL_CHECK (NODE)) - -/* Nonzero in a VAR_DECL if it is guaranteed to be constant after having - been elaborated and TREE_READONLY is not set on it. */ -#define DECL_READONLY_ONCE_ELAB(NODE) DECL_LANG_FLAG_0 (VAR_DECL_CHECK (NODE)) - -/* Nonzero in a CONST_DECL if its value is (essentially) the address of a - constant CONSTRUCTOR. */ -#define DECL_CONST_ADDRESS_P(NODE) DECL_LANG_FLAG_0 (CONST_DECL_CHECK (NODE)) - -/* Nonzero in a PARM_DECL if it is always used by double reference, i.e. a - pair of INDIRECT_REFs is needed to access the object. */ -#define DECL_BY_DOUBLE_REF_P(NODE) DECL_LANG_FLAG_0 (PARM_DECL_CHECK (NODE)) - -/* Nonzero in a FIELD_DECL if it is declared as aliased. */ -#define DECL_ALIASED_P(NODE) DECL_LANG_FLAG_0 (FIELD_DECL_CHECK (NODE)) - -/* Nonzero in a TYPE_DECL if this is the declaration of a Taft amendment type - in the main unit, i.e. the full declaration is available. */ -#define DECL_TAFT_TYPE_P(NODE) DECL_LANG_FLAG_0 (TYPE_DECL_CHECK (NODE)) - -/* Nonzero in a DECL if it is always used by reference, i.e. an INDIRECT_REF - is needed to access the object. */ -#define DECL_BY_REF_P(NODE) DECL_LANG_FLAG_1 (NODE) - -/* Nonzero in a DECL if it is made for a pointer that can never be null. */ -#define DECL_CAN_NEVER_BE_NULL_P(NODE) DECL_LANG_FLAG_2 (NODE) - -/* Nonzero in a VAR_DECL if it is made for a loop parameter. */ -#define DECL_LOOP_PARM_P(NODE) DECL_LANG_FLAG_3 (VAR_DECL_CHECK (NODE)) - -/* Nonzero in a FIELD_DECL that is a dummy built for some internal reason. */ -#define DECL_INTERNAL_P(NODE) DECL_LANG_FLAG_3 (FIELD_DECL_CHECK (NODE)) - -/* Nonzero in a PARM_DECL if it is made for an Ada array being passed to a - foreign convention subprogram. */ -#define DECL_BY_COMPONENT_PTR_P(NODE) DECL_LANG_FLAG_3 (PARM_DECL_CHECK (NODE)) - -/* Nonzero in a FUNCTION_DECL that corresponds to an elaboration procedure. */ -#define DECL_ELABORATION_PROC_P(NODE) \ - DECL_LANG_FLAG_3 (FUNCTION_DECL_CHECK (NODE)) - -/* Nonzero in a DECL if it is made for a pointer that points to something which - is readonly. */ -#define DECL_POINTS_TO_READONLY_P(NODE) DECL_LANG_FLAG_4 (NODE) - -/* Nonzero in a PARM_DECL if we are to pass by descriptor. */ -#define DECL_BY_DESCRIPTOR_P(NODE) DECL_LANG_FLAG_5 (PARM_DECL_CHECK (NODE)) - -/* Nonzero in a VAR_DECL if it is a pointer renaming a global object. */ -#define DECL_RENAMING_GLOBAL_P(NODE) DECL_LANG_FLAG_5 (VAR_DECL_CHECK (NODE)) - -/* In a FIELD_DECL corresponding to a discriminant, contains the - discriminant number. */ -#define DECL_DISCRIMINANT_NUMBER(NODE) DECL_INITIAL (FIELD_DECL_CHECK (NODE)) - -/* In a CONST_DECL, points to a VAR_DECL that is allocatable to - memory. Used when a scalar constant is aliased or has its - address taken. */ -#define DECL_CONST_CORRESPONDING_VAR(NODE) \ - GET_DECL_LANG_SPECIFIC (CONST_DECL_CHECK (NODE)) -#define SET_DECL_CONST_CORRESPONDING_VAR(NODE, X) \ - SET_DECL_LANG_SPECIFIC (CONST_DECL_CHECK (NODE), X) - -/* In a FIELD_DECL, points to the FIELD_DECL that was the ultimate - source of the decl. */ -#define DECL_ORIGINAL_FIELD(NODE) \ - GET_DECL_LANG_SPECIFIC (FIELD_DECL_CHECK (NODE)) -#define SET_DECL_ORIGINAL_FIELD(NODE, X) \ - SET_DECL_LANG_SPECIFIC (FIELD_DECL_CHECK (NODE), X) - -/* Set DECL_ORIGINAL_FIELD of FIELD1 to (that of) FIELD2. */ -#define SET_DECL_ORIGINAL_FIELD_TO_FIELD(FIELD1, FIELD2) \ - SET_DECL_ORIGINAL_FIELD ((FIELD1), \ - DECL_ORIGINAL_FIELD (FIELD2) \ - ? DECL_ORIGINAL_FIELD (FIELD2) : (FIELD2)) - -/* Return true if FIELD1 and FIELD2 represent the same field. */ -#define SAME_FIELD_P(FIELD1, FIELD2) \ - ((FIELD1) == (FIELD2) \ - || DECL_ORIGINAL_FIELD (FIELD1) == (FIELD2) \ - || (FIELD1) == DECL_ORIGINAL_FIELD (FIELD2) \ - || (DECL_ORIGINAL_FIELD (FIELD1) \ - && (DECL_ORIGINAL_FIELD (FIELD1) == DECL_ORIGINAL_FIELD (FIELD2)))) - -/* In a VAR_DECL with the DECL_LOOP_PARM_P flag set, points to the special - induction variable that is built under certain circumstances, if any. */ -#define DECL_INDUCTION_VAR(NODE) \ - GET_DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE)) -#define SET_DECL_INDUCTION_VAR(NODE, X) \ - SET_DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE), X) - -/* In a VAR_DECL without the DECL_LOOP_PARM_P flag set and that is a renaming - pointer, points to the object being renamed, if any. Note that this object - is guaranteed to be protected against multiple evaluations. */ -#define DECL_RENAMED_OBJECT(NODE) \ - GET_DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE)) -#define SET_DECL_RENAMED_OBJECT(NODE, X) \ - SET_DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE), X) - -/* In a TYPE_DECL, points to the parallel type if any, otherwise 0. */ -#define DECL_PARALLEL_TYPE(NODE) \ - GET_DECL_LANG_SPECIFIC (TYPE_DECL_CHECK (NODE)) -#define SET_DECL_PARALLEL_TYPE(NODE, X) \ - SET_DECL_LANG_SPECIFIC (TYPE_DECL_CHECK (NODE), X) - -/* In a FUNCTION_DECL, points to the stub associated with the function - if any, otherwise 0. */ -#define DECL_FUNCTION_STUB(NODE) \ - GET_DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (NODE)) -#define SET_DECL_FUNCTION_STUB(NODE, X) \ - SET_DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (NODE), X) - -/* In a PARM_DECL, points to the alternate TREE_TYPE. */ -#define DECL_PARM_ALT_TYPE(NODE) \ - GET_DECL_LANG_SPECIFIC (PARM_DECL_CHECK (NODE)) -#define SET_DECL_PARM_ALT_TYPE(NODE, X) \ - SET_DECL_LANG_SPECIFIC (PARM_DECL_CHECK (NODE), X) - - -/* Flags added to ref nodes. */ - -/* Nonzero means this node will not trap. */ -#undef TREE_THIS_NOTRAP -#define TREE_THIS_NOTRAP(NODE) \ - (TREE_CHECK4 (NODE, INDIRECT_REF, ARRAY_REF, UNCONSTRAINED_ARRAY_REF, \ - ARRAY_RANGE_REF)->base.nothrow_flag) - - -/* Fields and macros for statements. */ -#define IS_ADA_STMT(NODE) \ - (STATEMENT_CLASS_P (NODE) && TREE_CODE (NODE) >= STMT_STMT) - -#define STMT_STMT_STMT(NODE) TREE_OPERAND_CHECK_CODE (NODE, STMT_STMT, 0) - -#define LOOP_STMT_COND(NODE) TREE_OPERAND_CHECK_CODE (NODE, LOOP_STMT, 0) -#define LOOP_STMT_UPDATE(NODE) TREE_OPERAND_CHECK_CODE (NODE, LOOP_STMT, 1) -#define LOOP_STMT_BODY(NODE) TREE_OPERAND_CHECK_CODE (NODE, LOOP_STMT, 2) -#define LOOP_STMT_LABEL(NODE) TREE_OPERAND_CHECK_CODE (NODE, LOOP_STMT, 3) - -/* A loop statement is conceptually made up of 6 sub-statements: - - loop: - TOP_CONDITION - TOP_UPDATE - BODY - BOTTOM_CONDITION - BOTTOM_UPDATE - GOTO loop - - However, only 4 of them can exist for a given loop, the pair of conditions - and the pair of updates being mutually exclusive. The default setting is - TOP_CONDITION and BOTTOM_UPDATE and the following couple of flags are used - to toggle the individual settings. */ -#define LOOP_STMT_BOTTOM_COND_P(NODE) TREE_LANG_FLAG_0 (LOOP_STMT_CHECK (NODE)) -#define LOOP_STMT_TOP_UPDATE_P(NODE) TREE_LANG_FLAG_1 (LOOP_STMT_CHECK (NODE)) - -#define EXIT_STMT_COND(NODE) TREE_OPERAND_CHECK_CODE (NODE, EXIT_STMT, 0) -#define EXIT_STMT_LABEL(NODE) TREE_OPERAND_CHECK_CODE (NODE, EXIT_STMT, 1) |