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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [ada/] [uintp.h] - Rev 724
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/**************************************************************************** * * * GNAT COMPILER COMPONENTS * * * * U I N T P * * * * C Header File * * * * Copyright (C) 1992-2011, 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 distributed with GNAT; see file COPYING3. If not, go to * * http://www.gnu.org/licenses for a complete copy of the license. * * * * GNAT was originally developed by the GNAT team at New York University. * * Extensive contributions were provided by Ada Core Technologies Inc. * * * ****************************************************************************/ /* This file corresponds to the Ada package specification Uintp. It was created manually from the files uintp.ads and uintp.adb. */ #ifdef __cplusplus extern "C" { #endif /* Support for universal integer arithmetic */ struct Uint_Entry { Pos Length; Int Loc; }; /* See if a Uint is within the range of an integer. */ #define UI_Is_In_Int_Range uintp__ui_is_in_int_range extern Boolean UI_Is_In_Int_Range (Uint); /* Obtain Char_Code value from Uint input. Value must be in range. */ #define UI_To_CC uintp__ui_to_cc extern Char_Code UI_To_CC (Uint); /* Convert a Char_Code into a Uint. */ #define UI_From_CC uintp__ui_from_cc extern Uint UI_From_CC (Char_Code); /* Obtain Int value from Uint input. Abort if the result is out of range. */ #define UI_To_Int uintp__ui_to_int extern Int UI_To_Int (Uint); /* Similarly, but return a GCC INTEGER_CST. */ extern tree UI_To_gnu (Uint, tree); /* Convert an Int into a Uint. */ #define UI_From_Int uintp__ui_from_int extern Uint UI_From_Int (int); /* Similarly, but take a GCC INTEGER_CST. */ extern Uint UI_From_gnu (tree); /* Uint values are represented as multiple precision integers stored in a multi-digit format using UI_Base as the base. This value is chosen so that the product UI_Base*UI_Base is within the range of Int values. */ #define UI_Base uintp__base extern const int UI_Base; /* Types for the fat pointer of Int vectors and the template it points to. */ typedef struct {int Low_Bound, High_Bound; } Vector_Template; typedef struct {const int *Array; Vector_Template *Bounds; } __attribute ((aligned (sizeof (char *) * 2))) Int_Vector; /* Create and return the Uint value from the Int vector. */ #define Vector_To_Uint uintp__vector_to_uint extern Uint Vector_To_Uint (Int_Vector, Boolean); /* Compare integer values for less than. */ #define UI_Lt uintp__ui_lt extern Boolean UI_Lt (Uint, Uint); /* Universal integers are represented by the Uint type which is an index into the Uints_Ptr table containing Uint_Entry values. A Uint_Entry contains an index and length for getting the "digits" of the universal integer from the Udigits_Ptr table. For efficiency, this method is used only for integer values larger than the constant Uint_Bias. If a Uint is less than this constant, then it contains the integer value itself. The origin of the Uints_Ptr table is adjusted so that a Uint value of Uint_Bias indexes the first element. */ #define Uints_Ptr (uintp__uints__table - Uint_Table_Start) extern struct Uint_Entry *uintp__uints__table; #define Udigits_Ptr uintp__udigits__table extern int *uintp__udigits__table; #ifdef __cplusplus } #endif
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