gcc/ada/namet.h

   1 /****************************************************************************
   2  *                                                                          *
   3  *                         GNAT COMPILER COMPONENTS                         *
   4  *                                                                          *
   5  *                                N A M E T                                 *
   6  *                                                                          *
   7  *                              C Header File                               *
   8  *                                                                          *
   9  *          Copyright (C) 1992-2003 Free Software Foundation, Inc.          *
  10  *                                                                          *
  11  * GNAT is free software;  you can  redistribute it  and/or modify it under *
  12  * terms of the  GNU General Public License as published  by the Free Soft- *
  13  * ware  Foundation;  either version 2,  or (at your option) any later ver- *
  14  * sion.  GNAT is distributed in the hope that it will be useful, but WITH- *
  15  * OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY *
  16  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License *
  17  * for  more details.  You should have  received  a copy of the GNU General *
  18  * Public License  distributed with GNAT;  see file COPYING.  If not, write *
  19  * to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, *
  20  * MA 02111-1307, USA.                                                      *
  21  *                                                                          *
  22  * GNAT was originally developed  by the GNAT team at  New York University. *
  23  * Extensive contributions were provided by Ada Core Technologies Inc.      *
  24  *                                                                          *
  25  ****************************************************************************/
  26
  27 /* This is the C file that corresponds to the Ada package specification
  28    Namet. It was created manually from files namet.ads and namet.adb.  */
  29
  30 /* Structure defining a names table entry.  */
  31
  32 struct Name_Entry
  33 {
  34   Int Name_Chars_Index; /* Starting location of char in Name_Chars table. */
  35   Short Name_Len;         /* Length of this name in characters. */
  36   Byte Byte_Info;       /* Byte value associated with this name */
  37   Byte Spare;           /* Unused */
  38   Name_Id Hash_Link;    /* Link to next entry in names table for same hash
  39                            code. Not accessed by C routines.  */
  40   Int Int_Info;         /* Int value associated with this name */
  41 };
  42
  43 /* Pointer to names table vector. */
  44 #define Names_Ptr namet__name_entries__table
  45 extern struct Name_Entry *Names_Ptr;
  46
  47 /* Pointer to name characters table. */
  48 #define Name_Chars_Ptr namet__name_chars__table
  49 extern char *Name_Chars_Ptr;
  50
  51 #define Name_Buffer namet__name_buffer
  52 extern char Name_Buffer[];
  53
  54 extern Int namet__name_len;
  55 #define Name_Len namet__name_len
  56
  57 /* Get_Name_String returns a null terminated C string for the specified name.
  58    We could use the official Ada routine for this purpose, but since the
  59    strings we want are sitting in the name strings table in exactly the form
  60    we need them (null terminated), we just point to the name directly. */
  61
  62 static char *Get_Name_String (Name_Id);
  63
  64 INLINE char *
  65 Get_Name_String (Name_Id Id)
  66 {
  67   return Name_Chars_Ptr + Names_Ptr[Id - First_Name_Id].Name_Chars_Index + 1;
  68 }
  69
  70 /* Get_Decoded_Name_String returns a null terminated C string in the same
  71    manner as Get_Name_String, except that it is decoded (i.e. upper half or
  72    wide characters are put back in their external form, and character literals
  73    are also returned in their external form (with surrounding apostrophes) */
  74
  75 extern void namet__get_decoded_name_string (Name_Id);
  76
  77 static char *Get_Decoded_Name_String (Name_Id);
  78
  79 INLINE char *
  80 Get_Decoded_Name_String (Name_Id Id)
  81 {
  82   namet__get_decoded_name_string (Id);
  83   Name_Buffer[Name_Len] = 0;
  84   return Name_Buffer;
  85 }
  86
  87 /* Like Get_Decoded_Name_String, but the result has all qualification and
  88    package body entity suffixes stripped, and also all letters are upper
  89    cased.  This is used fo rbuilding the enumeration literal table. */
  90
  91 extern void casing__set_all_upper_case (void);
  92
  93 /* The following routines and variables are not part of Namet, but we
  94    include the header here since it seems the best place for it.  */
  95
  96 #define Get_Encoded_Type_Name exp_dbug__get_encoded_type_name
  97 extern Boolean Get_Encoded_Type_Name (Entity_Id);
  98 #define Get_Variant_Encoding exp_dbug__get_variant_encoding
  99 extern void Get_Variant_Encoding (Entity_Id);
 100
 101 #define Spec_Context_List exp_dbug__spec_context_list
 102 #define Body_Context_List exp_dbug__body_context_list
 103 extern char *Spec_Context_List, *Body_Context_List;
 104 #define Spec_Filename exp_dbug__spec_filename
 105 #define Body_Filename exp_dbug__body_filename
 106 extern char *Spec_Filename, *Body_Filename;
 107
 108 #define Is_Non_Ada_Error exp_ch11__is_non_ada_error
 109 extern Boolean Is_Non_Ada_Error (Entity_Id);
 110
 111 /* Here are some functions in sinput.adb we call from a-trans.c.  */
 112 typedef Nat Source_File_Index;
 113 typedef Int Logical_Line_Number;
 114
 115 #define Debug_Source_Name sinput__debug_source_name
 116 #define Full_Debug_Name sinput__full_debug_name
 117 #define Reference_Name sinput__reference_name
 118 #define Get_Source_File_Index sinput__get_source_file_index
 119 #define Get_Logical_Line_Number sinput__get_logical_line_number
 120
 121 extern File_Name_Type Debug_Source_Name (Source_File_Index);
 122 extern File_Name_Type Full_Debug_Name   (Source_File_Index);
 123 extern File_Name_Type Reference_Name    (Source_File_Index);
 124 extern Source_File_Index Get_Source_File_Index (Source_Ptr);
 125 extern Logical_Line_Number Get_Logical_Line_Number (Source_Ptr);