gcc/ada/namet.h

   1 /****************************************************************************
   2  *                                                                          *
   3  *                         GNAT COMPILER COMPONENTS                         *
   4  *                                                                          *
   5  *                                N A M E T                                 *
   6  *                                                                          *
   7  *                              C Header File                               *
   8  *                                                                          *
   9  *                            $Revision: 1.1 $
  10  *                                                                          *
  11  *          Copyright (C) 1992-2001 Free Software Foundation, Inc.          *
  12  *                                                                          *
  13  * GNAT is free software;  you can  redistribute it  and/or modify it under *
  14  * terms of the  GNU General Public License as published  by the Free Soft- *
  15  * ware  Foundation;  either version 2,  or (at your option) any later ver- *
  16  * sion.  GNAT is distributed in the hope that it will be useful, but WITH- *
  17  * OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY *
  18  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License *
  19  * for  more details.  You should have  received  a copy of the GNU General *
  20  * Public License  distributed with GNAT;  see file COPYING.  If not, write *
  21  * to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, *
  22  * MA 02111-1307, USA.                                                      *
  23  *                                                                          *
  24  * GNAT was originally developed  by the GNAT team at  New York University. *
  25  * It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). *
  26  *                                                                          *
  27  ****************************************************************************/
  28
  29 /* This is the C file that corresponds to the Ada package specification
  30    Namet. It was created manually from files namet.ads and namet.adb.  */
  31
  32 /* Structure defining a names table entry.  */
  33
  34 struct Name_Entry
  35 {
  36   Int Name_Chars_Index; /* Starting location of char in Name_Chars table. */
  37   Short Name_Len;         /* Length of this name in characters. */
  38   Byte Byte_Info;       /* Byte value associated with this name */
  39   Byte Spare;           /* Unused */
  40   Name_Id Hash_Link;    /* Link to next entry in names table for same hash
  41                            code. Not accessed by C routines.  */
  42   Int Int_Info;         /* Int value associated with this name */
  43 };
  44
  45 /* Pointer to names table vector. */
  46 #define Names_Ptr namet__name_entries__table
  47 extern struct Name_Entry *Names_Ptr;
  48
  49 /* Pointer to name characters table. */
  50 #define Name_Chars_Ptr namet__name_chars__table
  51 extern char *Name_Chars_Ptr;
  52
  53 #define Name_Buffer namet__name_buffer
  54 extern char Name_Buffer[];
  55
  56 extern Int namet__name_len;
  57 #define Name_Len namet__name_len
  58
  59 /* Get_Name_String returns a null terminated C string for the specified name.
  60    We could use the official Ada routine for this purpose, but since the
  61    strings we want are sitting in the name strings table in exactly the form
  62    we need them (null terminated), we just point to the name directly. */
  63
  64 static char *Get_Name_String PARAMS ((Name_Id));
  65
  66 INLINE char *
  67 Get_Name_String (Id)
  68      Name_Id Id;
  69 {
  70   return Name_Chars_Ptr + Names_Ptr [Id - First_Name_Id].Name_Chars_Index + 1;
  71 }
  72
  73 /* Get_Decoded_Name_String returns a null terminated C string in the same
  74    manner as Get_Name_String, except that it is decoded (i.e. upper half or
  75    wide characters are put back in their external form, and character literals
  76    are also returned in their external form (with surrounding apostrophes) */
  77
  78 extern void namet__get_decoded_name_string PARAMS ((Name_Id));
  79
  80 static char *Get_Decoded_Name_String PARAMS ((Name_Id));
  81
  82 INLINE char *
  83 Get_Decoded_Name_String (Id)
  84      Name_Id Id;
  85 {
  86   namet__get_decoded_name_string (Id);
  87   Name_Buffer [Name_Len] = 0;
  88   return Name_Buffer;
  89 }
  90
  91 /* Like Get_Decoded_Name_String, but the result has all qualification and
  92    package body entity suffixes stripped, and also all letters are upper
  93    cased.  This is used fo rbuilding the enumeration literal table. */
  94
  95 extern void casing__set_all_upper_case PARAMS ((void));
  96 extern void namet__get_unqualified_decoded_name_string PARAMS ((Name_Id));
  97
  98 static char *Get_Upper_Decoded_Name_String PARAMS ((Name_Id));
  99
 100 INLINE char *
 101 Get_Upper_Decoded_Name_String (Id)
 102      Name_Id Id;
 103 {
 104   namet__get_unqualified_decoded_name_string (Id);
 105   if (Name_Buffer [0] != '\'')
 106     casing__set_all_upper_case ();
 107   Name_Buffer [Name_Len] = 0;
 108   return Name_Buffer;
 109 }
 110
 111 /* The following routines and variables are not part of Namet, but we
 112    include the header here since it seems the best place for it.  */
 113
 114 #define Get_Encoded_Type_Name exp_dbug__get_encoded_type_name
 115 extern Boolean Get_Encoded_Type_Name PARAMS ((Entity_Id));
 116 #define Get_Variant_Encoding exp_dbug__get_variant_encoding
 117 extern void Get_Variant_Encoding PARAMS ((Entity_Id));
 118
 119 #define Spec_Context_List exp_dbug__spec_context_list
 120 #define Body_Context_List exp_dbug__body_context_list
 121 extern char *Spec_Context_List, *Body_Context_List;
 122 #define Spec_Filename exp_dbug__spec_filename
 123 #define Body_Filename exp_dbug__body_filename
 124 extern char *Spec_Filename, *Body_Filename;
 125
 126 #define Is_Non_Ada_Error exp_ch11__is_non_ada_error
 127 extern Boolean Is_Non_Ada_Error PARAMS ((Entity_Id));
 128
 129 /* Here are some functions in sinput.adb we call from a-trans.c.  */
 130 typedef Nat Source_File_Index;
 131 typedef Int Logical_Line_Number;
 132
 133 #define Debug_Source_Name sinput__debug_source_name
 134 #define Reference_Name sinput__reference_name
 135 #define Get_Source_File_Index sinput__get_source_file_index
 136 #define Get_Logical_Line_Number sinput__get_logical_line_number
 137
 138 extern File_Name_Type Debug_Source_Name PARAMS ((Source_File_Index));
 139 extern File_Name_Type Reference_Name    PARAMS ((Source_File_Index));
 140 extern Source_File_Index Get_Source_File_Index PARAMS ((Source_Ptr));
 141 extern Logical_Line_Number Get_Logical_Line_Number PARAMS ((Source_Ptr));