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Diffstat (limited to 'gcc/ada/ada-tree.h')
| -rw-r--r-- | gcc/ada/ada-tree.h | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/gcc/ada/ada-tree.h b/gcc/ada/ada-tree.h new file mode 100644 index 00000000000..73e8d78102c --- /dev/null +++ b/gcc/ada/ada-tree.h @@ -0,0 +1,232 @@ +/**************************************************************************** + * * + * GNAT COMPILER COMPONENTS * + * * + * A D A - T R E E * + * * + * C Header File * + * * + * $Revision: 1.1 $ + * * + * Copyright (C) 1992-2001 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 2, 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 distributed with GNAT; see file COPYING. If not, write * + * to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, * + * MA 02111-1307, USA. * + * * + * GNAT was originally developed by the GNAT team at New York University. * + * It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). * + * * + ****************************************************************************/ + +/* Ada language-specific GC tree codes. */ +#define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM, +enum gnat_tree_code { + __DUMMY = LAST_AND_UNUSED_TREE_CODE, +#include "ada-tree.def" + LAST_GNAT_TREE_CODE +}; +#undef DEFTREECODE + +/* Flags added to GCC 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_IS_FAT_POINTER_P(NODE) TYPE_LANG_FLAG_0 (NODE) + +#define TYPE_FAT_POINTER_P(NODE) \ + (TREE_CODE (NODE) == RECORD_TYPE && TYPE_IS_FAT_POINTER_P (NODE)) + +/* For integral types, nonzero if this is a packed array type. Such + types should not be extended to a larger size. */ +#define TYPE_PACKED_ARRAY_TYPE_P(NODE) TYPE_LANG_FLAG_0 (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_RETURNS_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 left-justified modular type (will only be true for RECORD_TYPE). */ +#define TYPE_LEFT_JUSTIFIED_MODULAR_P(NODE) TYPE_LANG_FLAG_1 (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 (NODE) + +/* Nonzero for composite types if this is a by-reference type. */ +#define TYPE_BY_REFERENCE_P(NODE) TYPE_LANG_FLAG_2 (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 (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)) + +/* True if NODE is a thin pointer. */ +#define TYPE_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_FAT_OR_THIN_POINTER_P(NODE) \ + (TYPE_FAT_POINTER_P (NODE) || TYPE_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 reference. */ +#define TYPE_RETURNS_BY_REF_P(NODE) \ + TYPE_LANG_FLAG_4 (FUNCTION_TYPE_CHECK (NODE)) + +/* For VOID_TYPE, ENUMERAL_TYPE, UNION_TYPE, and RECORD_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 (NODE) + +/* True if TYPE is such a dummy type. */ +#define TYPE_IS_DUMMY_P(NODE) \ + ((TREE_CODE (NODE) == VOID_TYPE || TREE_CODE (NODE) == RECORD_TYPE \ + || TREE_CODE (NODE) == UNION_TYPE || TREE_CODE (NODE) == ENUMERAL_TYPE) \ + && TYPE_DUMMY_P (NODE)) + +/* Nonzero if this corresponds to a type where alignment is guaranteed + by other mechanisms (a tagged or packed type). */ +#define TYPE_ALIGN_OK_P(NODE) TYPE_LANG_FLAG_5 (NODE) + +/* For an INTEGER_TYPE, nonzero if TYPE_ACTUAL_BOUNDS is present. */ +#define TYPE_HAS_ACTUAL_BOUNDS_P(NODE) \ + TYPE_LANG_FLAG_6 (INTEGER_TYPE_CHECK (NODE)) + +/* For a RECORD_TYPE, nonzero if this was made just to supply needed + padding or alignment. */ +#define TYPE_IS_PADDING_P(NODE) TYPE_LANG_FLAG_6 (RECORD_TYPE_CHECK (NODE)) + +/* This field is only defined for FUNCTION_TYPE nodes. If the Ada + subprogram contains no parameters passed by copy in/copy out then this + field is 0. Otherwise it points to a list of nodes used to specify the + return values of the out (or in out) parameters that qualify to be passed + by copy in copy out. It is a CONSTRUCTOR. For a full description of the + cico parameter passing mechanism refer to the routine gnat_to_gnu_entity. */ +#define TYPE_CI_CO_LIST(NODE) \ + (tree) TYPE_LANG_SPECIFIC (FUNCTION_TYPE_CHECK (NODE)) + +/* For an INTEGER_TYPE with TYPE_MODULAR_P, this is the value of the + modulus. */ +#define TYPE_MODULUS(NODE) \ + (tree) TYPE_LANG_SPECIFIC (INTEGER_TYPE_CHECK (NODE)) + +/* For an INTEGER_TYPE that is the TYPE_DOMAIN of some ARRAY_TYPE, points to + the type corresponding to the Ada index type. */ +#define TYPE_INDEX_TYPE(NODE) \ + (tree) TYPE_LANG_SPECIFIC (INTEGER_TYPE_CHECK (NODE)) + +/* For an INTEGER_TYPE with TYPE_VAX_FLOATING_POINT_P, stores the + Digits_Value. */ +#define TYPE_DIGITS_VALUE(NODE) \ + (long) TYPE_LANG_SPECIFIC (INTEGER_TYPE_CHECK (NODE)) + +/* For INTEGER_TYPE, stores the RM_Size of the type. */ +#define TYPE_RM_SIZE_INT(NODE) TYPE_VALUES (INTEGER_TYPE_CHECK (NODE)) + +/* Likewise for ENUMERAL_TYPE. */ +#define TYPE_RM_SIZE_ENUM(NODE) \ + (tree) TYPE_LANG_SPECIFIC (ENUMERAL_TYPE_CHECK (NODE)) + +#define TYPE_RM_SIZE(NODE) \ + (TREE_CODE (NODE) == ENUMERAL_TYPE ? TYPE_RM_SIZE_ENUM (NODE) \ + : TREE_CODE (NODE) == INTEGER_TYPE ? TYPE_RM_SIZE_INT (NODE) \ + : 0) + +/* For a RECORD_TYPE that is a fat pointer, point to the type for the + unconstrained object. Likewise for a RECORD_TYPE that is pointed + to by a thin pointer. */ +#define TYPE_UNCONSTRAINED_ARRAY(NODE) \ + (tree) TYPE_LANG_SPECIFIC (RECORD_TYPE_CHECK (NODE)) + +/* For other RECORD_TYPEs and all UNION_TYPEs and QUAL_UNION_TYPEs, 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) (tree) TYPE_LANG_SPECIFIC (NODE) + +/* 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) (tree) TYPE_LANG_SPECIFIC (NODE) + +/* In an UNCONSTRAINED_ARRAY_TYPE, points to the record containing both + the template and object. */ +#define TYPE_OBJECT_RECORD_TYPE(NODE) TYPE_MIN_VALUE (NODE) + +/* 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 if this decl 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 if this decl is a PARM_DECL for an Ada array being passed to a + foreign convention subprogram. */ +#define DECL_BY_COMPONENT_PTR_P(NODE) DECL_LANG_FLAG_2 (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 FUNCTION_DECL that corresponds to an elaboration procedure. */ +#define DECL_ELABORATION_PROC_P(NODE) \ + DECL_LANG_FLAG_3 (FUNCTION_DECL_CHECK (NODE)) + +/* Nonzero if this is a decl for a pointer that points to something which + is readonly. Used mostly for fat pointers. */ +#define DECL_POINTS_TO_READONLY_P(NODE) DECL_LANG_FLAG_4 (NODE) + +/* Nonzero in a FIELD_DECL if there was a record rep clause. */ +#define DECL_HAS_REP_P(NODE) DECL_LANG_FLAG_5 (FIELD_DECL_CHECK (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)) + +/* 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) \ + (tree) DECL_LANG_SPECIFIC (CONST_DECL_CHECK (NODE)) + +/* In a FIELD_DECL, points to the FIELD_DECL that was the ultimate + source of the decl. */ +#define DECL_ORIGINAL_FIELD(NODE) \ + (tree) DECL_LANG_SPECIFIC (FIELD_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)) + +/* This is a horrible kludge to store the loop_id of a loop into a tree + node. We need to find some other place to store it! */ +#define TREE_LOOP_ID(NODE) (TREE_CHECK (NODE, GNAT_LOOP_ID)->real_cst.rtl) |