gcc/ada/fe.h

   1 /****************************************************************************
   2  *                                                                          *
   3  *                         GNAT COMPILER COMPONENTS                         *
   4  *                                                                          *
   5  *                                    FE                                    *
   6  *                                                                          *
   7  *                              C Header File                               *
   8  *                                                                          *
   9  *          Copyright (C) 1992-2004 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  * As a  special  exception,  if you  link  this file  with other  files to *
  23  * produce an executable,  this file does not by itself cause the resulting *
  24  * executable to be covered by the GNU General Public License. This except- *
  25  * ion does not  however invalidate  any other reasons  why the  executable *
  26  * file might be covered by the  GNU Public License.                        *
  27  *                                                                          *
  28  * GNAT was originally developed  by the GNAT team at  New York University. *
  29  * Extensive contributions were provided by Ada Core Technologies Inc.      *
  30  *                                                                          *
  31  ****************************************************************************/
  32
  33 /* This file contains definitions to access front-end functions and
  34    variables used by gigi.  */
  35
  36 /* comperr:  */
  37
  38 #define Compiler_Abort comperr__compiler_abort
  39 extern int Compiler_Abort (Fat_Pointer, int) ATTRIBUTE_NORETURN;
  40
  41 /* csets: */
  42
  43 #define Fold_Lower(C) csets__fold_lower[C]
  44 #define Fold_Upper(C) csets__fold_upper[C]
  45 extern char Fold_Lower[], Fold_Upper[];
  46
  47 /* debug: */
  48
  49 #define Debug_Flag_XX debug__debug_flag_xx
  50 #define Debug_Flag_NN debug__debug_flag_nn
  51
  52 extern Boolean Debug_Flag_XX;
  53 extern Boolean Debug_Flag_NN;
  54
  55 /* einfo: We will be setting Esize for types, Component_Bit_Offset for fields,
  56    Alignment for types and objects, Component_Size for array types, and
  57    Present_Expr for N_Variant nodes.  */
  58
  59 #define Set_Alignment                   einfo__set_alignment
  60 #define Set_Component_Bit_Offset        einfo__set_component_bit_offset
  61 #define Set_Component_Size              einfo__set_component_size
  62 #define Set_Esize                       einfo__set_esize
  63 #define Set_Mechanism                   einfo__set_mechanism
  64 #define Set_RM_Size                     einfo__set_rm_size
  65 #define Set_Present_Expr                sinfo__set_present_expr
  66
  67 extern void Set_Alignment               (Entity_Id, Uint);
  68 extern void Set_Component_Bit_Offset    (Entity_Id, Uint);
  69 extern void Set_Component_Size          (Entity_Id, Uint);
  70 extern void Set_Esize                   (Entity_Id, Uint);
  71 extern void Set_Mechanism               (Entity_Id, Mechanism_Type);
  72 extern void Set_RM_Size                 (Entity_Id, Uint);
  73 extern void Set_Present_Expr            (Node_Id, Uint);
  74
  75 /* Test if the node N is the name of an entity (i.e. is an identifier,
  76    expanded name, or an attribute reference that returns an entity).  */
  77 #define Is_Entity_Name einfo__is_entity_name
  78 extern Boolean Is_Entity_Name           (Node_Id);
  79
  80 #define Get_Attribute_Definition_Clause einfo__get_attribute_definition_clause
  81 extern Node_Id Get_Attribute_Definition_Clause (Entity_Id, char);
  82
  83 /* errout: */
  84
  85 #define Error_Msg_N               errout__error_msg_n
  86 #define Error_Msg_NE              errout__error_msg_ne
  87 #define Set_Identifier_Casing     errout__set_identifier_casing
  88
  89 extern void Error_Msg_N           (Fat_Pointer, Node_Id);
  90 extern void Error_Msg_NE          (Fat_Pointer, Node_Id, Entity_Id);
  91 extern void Set_Identifier_Casing (Char *, Char *);
  92
  93 /* err_vars: */
  94
  95 #define Error_Msg_Node_2     err_vars__error_msg_node_2
  96 #define Error_Msg_Uint_1     err_vars__error_msg_uint_1
  97 #define Error_Msg_Uint_2     err_vars__error_msg_uint_2
  98
  99 extern Entity_Id             Error_Msg_Node_2;
 100 extern Uint                  Error_Msg_Uint_1;
 101 extern Uint                  Error_Msg_Uint_2;
 102
 103 /* exp_code:  */
 104
 105 #define Asm_Input_Constraint exp_code__asm_input_constraint
 106 #define Asm_Input_Value exp_code__asm_input_value
 107 #define Asm_Output_Constraint exp_code__asm_output_constraint
 108 #define Asm_Output_Variable exp_code__asm_output_variable
 109 #define Asm_Template exp_code__asm_template
 110 #define Clobber_Get_Next exp_code__clobber_get_next
 111 #define Clobber_Setup exp_code__clobber_setup
 112 #define Is_Asm_Volatile exp_code__is_asm_volatile
 113 #define Next_Asm_Input exp_code__next_asm_input
 114 #define Next_Asm_Output exp_code__next_asm_output
 115 #define Setup_Asm_Inputs exp_code__setup_asm_inputs
 116 #define Setup_Asm_Outputs exp_code__setup_asm_outputs
 117
 118 extern Node_Id Asm_Input_Constraint     (void);
 119 extern Node_Id Asm_Input_Value          (void);
 120 extern Node_Id Asm_Output_Constraint    (void);
 121 extern Node_Id Asm_Output_Variable      (void);
 122 extern Node_Id Asm_Template             (Node_Id);
 123 extern char *Clobber_Get_Next           (void);
 124 extern void Clobber_Setup               (Node_Id);
 125 extern Boolean Is_Asm_Volatile          (Node_Id);
 126 extern void Next_Asm_Input              (void);
 127 extern void Next_Asm_Output             (void);
 128 extern void Setup_Asm_Inputs            (Node_Id);
 129 extern void Setup_Asm_Outputs           (Node_Id);
 130
 131 /* exp_dbug:  */
 132
 133 #define Get_Encoded_Name exp_dbug__get_encoded_name
 134 #define Get_External_Name_With_Suffix exp_dbug__get_external_name_with_suffix
 135
 136 extern void Get_Encoded_Name    (Entity_Id);
 137 extern void Get_External_Name_With_Suffix (Entity_Id, Fat_Pointer);
 138
 139 /* lib: */
 140
 141 #define Cunit                           lib__cunit
 142 #define Ident_String                    lib__ident_string
 143 #define In_Extended_Main_Code_Unit      lib__in_extended_main_code_unit
 144 #define In_Same_Source_Unit             lib__in_same_source_unit
 145
 146 extern Node_Id Cunit                            (Unit_Number_Type);
 147 extern Node_Id Ident_String                     (Unit_Number_Type);
 148 extern Boolean In_Extended_Main_Code_Unit       (Entity_Id);
 149 extern Boolean In_Same_Source_Unit              (Node_Id, Node_Id);
 150
 151 /* opt: */
 152
 153 #define Global_Discard_Names   opt__global_discard_names
 154 #define Exception_Mechanism    opt__exception_mechanism
 155 #define Back_Annotate_Rep_Info opt__back_annotate_rep_info
 156
 157 typedef enum {Setjmp_Longjmp, Front_End_ZCX, GCC_ZCX} Exception_Mechanism_Type;
 158
 159 extern Boolean Global_Discard_Names;
 160 extern Exception_Mechanism_Type Exception_Mechanism;
 161 extern Boolean Back_Annotate_Rep_Info;
 162
 163 /* restrict: */
 164
 165 #define No_Exception_Handlers_Set      restrict__no_exception_handlers_set
 166 #define Check_No_Implicit_Heap_Alloc   restrict__check_no_implicit_heap_alloc
 167 #define Check_Elaboration_Code_Allowed restrict__check_elaboration_code_allowed
 168 #define Check_No_Implicit_Heap_Alloc   restrict__check_no_implicit_heap_alloc
 169
 170 extern Boolean No_Exception_Handlers_Set   (void);
 171 extern void Check_No_Implicit_Heap_Alloc   (Node_Id);
 172 extern void Check_Elaboration_Code_Allowed (Node_Id);
 173 extern void Check_No_Implicit_Heap_Alloc   (Node_Id);
 174
 175 /* sem_elim: */
 176
 177 #define Eliminate_Error_Msg    sem_elim__eliminate_error_msg
 178
 179 extern void Eliminate_Error_Msg (Node_Id, Entity_Id);
 180
 181 /* sem_eval: */
 182
 183 #define Compile_Time_Known_Value        sem_eval__compile_time_known_value
 184 #define Expr_Value                      sem_eval__expr_value
 185 #define Expr_Value_S                    sem_eval__expr_value_s
 186 #define Is_OK_Static_Expression         sem_eval__is_ok_static_expression
 187 #define Is_OK_Static_Subtype            sem_eval__is_ok_static_subtype
 188
 189 extern Uint Expr_Value                  (Node_Id);
 190 extern Node_Id Expr_Value_S             (Node_Id);
 191 extern Boolean Compile_Time_Known_Value (Node_Id);
 192 extern Boolean Is_OK_Static_Expression  (Node_Id);
 193 extern Boolean Is_OK_Static_Subtype     (Entity_Id);
 194
 195 /* sem_util: */
 196
 197 #define Defining_Entity                 sem_util__defining_entity
 198 #define First_Actual                    sem_util__first_actual
 199 #define Next_Actual                     sem_util__next_actual
 200 #define Requires_Transient_Scope        sem_util__requires_transient_scope
 201
 202 extern Entity_Id Defining_Entity        (Node_Id);
 203 extern Node_Id First_Actual             (Node_Id);
 204 extern Node_Id Next_Actual              (Node_Id);
 205 extern Boolean Requires_Transient_Scope (Entity_Id);
 206
 207 /* sinfo: These functions aren't in sinfo.h since we don't make the
 208    setting functions, just the retrieval functions.  */
 209
 210 #define Set_Has_No_Elaboration_Code sinfo__set_has_no_elaboration_code
 211 extern void Set_Has_No_Elaboration_Code (Node_Id, Boolean);
 212
 213 /* targparm: */
 214
 215 #define Stack_Check_Probes_On_Target targparm__stack_check_probes_on_target
 216
 217 extern Boolean Stack_Check_Probes_On_Target;