gcc/ada/fe.h

   1 /****************************************************************************
   2  *                                                                          *
   3  *                         GNAT COMPILER COMPONENTS                         *
   4  *                                                                          *
   5  *                                    FE                                    *
   6  *                                                                          *
   7  *                              C Header File                               *
   8  *                                                                          *
   9  *          Copyright (C) 1992-2008, 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,  51  Franklin  Street,  Fifth  Floor, *
  20  * Boston, MA 02110-1301, 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, Fat_Pointer) 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_NN debug__debug_flag_nn
  50 extern Boolean Debug_Flag_NN;
  51
  52 /* einfo: We will be setting Esize for types, Component_Bit_Offset for fields,
  53    Alignment for types and objects, Component_Size for array types, and
  54    Present_Expr for N_Variant nodes.  */
  55
  56 #define Set_Alignment                   einfo__set_alignment
  57 #define Set_Component_Bit_Offset        einfo__set_component_bit_offset
  58 #define Set_Component_Size              einfo__set_component_size
  59 #define Set_Esize                       einfo__set_esize
  60 #define Set_Mechanism                   einfo__set_mechanism
  61 #define Set_RM_Size                     einfo__set_rm_size
  62 #define Set_Present_Expr                sinfo__set_present_expr
  63
  64 extern void Set_Alignment               (Entity_Id, Uint);
  65 extern void Set_Component_Bit_Offset    (Entity_Id, Uint);
  66 extern void Set_Component_Size          (Entity_Id, Uint);
  67 extern void Set_Esize                   (Entity_Id, Uint);
  68 extern void Set_Mechanism               (Entity_Id, Mechanism_Type);
  69 extern void Set_RM_Size                 (Entity_Id, Uint);
  70 extern void Set_Present_Expr            (Node_Id, Uint);
  71
  72 /* Test if the node N is the name of an entity (i.e. is an identifier,
  73    expanded name, or an attribute reference that returns an entity).  */
  74 #define Is_Entity_Name einfo__is_entity_name
  75 extern Boolean Is_Entity_Name           (Node_Id);
  76
  77 #define Get_Attribute_Definition_Clause einfo__get_attribute_definition_clause
  78 extern Node_Id Get_Attribute_Definition_Clause (Entity_Id, char);
  79
  80 /* errout: */
  81
  82 #define Error_Msg_N               errout__error_msg_n
  83 #define Error_Msg_NE              errout__error_msg_ne
  84 #define Set_Identifier_Casing     errout__set_identifier_casing
  85
  86 extern void Error_Msg_N           (Fat_Pointer, Node_Id);
  87 extern void Error_Msg_NE          (Fat_Pointer, Node_Id, Entity_Id);
  88 extern void Set_Identifier_Casing (Char *, Char *);
  89
  90 /* err_vars: */
  91
  92 #define Error_Msg_Node_2     err_vars__error_msg_node_2
  93 #define Error_Msg_Uint_1     err_vars__error_msg_uint_1
  94 #define Error_Msg_Uint_2     err_vars__error_msg_uint_2
  95
  96 extern Entity_Id             Error_Msg_Node_2;
  97 extern Uint                  Error_Msg_Uint_1;
  98 extern Uint                  Error_Msg_Uint_2;
  99
 100 /* exp_ch11:  */
 101
 102 #define Get_Local_Raise_Call_Entity exp_ch11__get_local_raise_call_entity
 103 #define Get_RT_Exception_Entity exp_ch11__get_rt_exception_entity
 104
 105 extern Entity_Id Get_Local_Raise_Call_Entity (void);
 106 extern Entity_Id Get_RT_Exception_Entity (int);
 107
 108 /* exp_code:  */
 109
 110 #define Asm_Input_Constraint exp_code__asm_input_constraint
 111 #define Asm_Input_Value exp_code__asm_input_value
 112 #define Asm_Output_Constraint exp_code__asm_output_constraint
 113 #define Asm_Output_Variable exp_code__asm_output_variable
 114 #define Asm_Template exp_code__asm_template
 115 #define Clobber_Get_Next exp_code__clobber_get_next
 116 #define Clobber_Setup exp_code__clobber_setup
 117 #define Is_Asm_Volatile exp_code__is_asm_volatile
 118 #define Next_Asm_Input exp_code__next_asm_input
 119 #define Next_Asm_Output exp_code__next_asm_output
 120 #define Setup_Asm_Inputs exp_code__setup_asm_inputs
 121 #define Setup_Asm_Outputs exp_code__setup_asm_outputs
 122
 123 extern Node_Id Asm_Input_Constraint     (void);
 124 extern Node_Id Asm_Input_Value          (void);
 125 extern Node_Id Asm_Output_Constraint    (void);
 126 extern Node_Id Asm_Output_Variable      (void);
 127 extern Node_Id Asm_Template             (Node_Id);
 128 extern char *Clobber_Get_Next           (void);
 129 extern void Clobber_Setup               (Node_Id);
 130 extern Boolean Is_Asm_Volatile          (Node_Id);
 131 extern void Next_Asm_Input              (void);
 132 extern void Next_Asm_Output             (void);
 133 extern void Setup_Asm_Inputs            (Node_Id);
 134 extern void Setup_Asm_Outputs           (Node_Id);
 135
 136 /* exp_dbug:  */
 137
 138 #define Get_Encoded_Name exp_dbug__get_encoded_name
 139 #define Get_External_Name_With_Suffix exp_dbug__get_external_name_with_suffix
 140
 141 extern void Get_Encoded_Name    (Entity_Id);
 142 extern void Get_External_Name_With_Suffix (Entity_Id, Fat_Pointer);
 143
 144 /* lib: */
 145
 146 #define Cunit                           lib__cunit
 147 #define Ident_String                    lib__ident_string
 148 #define In_Extended_Main_Code_Unit      lib__in_extended_main_code_unit
 149 #define In_Same_Source_Unit             lib__in_same_source_unit
 150
 151 extern Node_Id Cunit                            (Unit_Number_Type);
 152 extern Node_Id Ident_String                     (Unit_Number_Type);
 153 extern Boolean In_Extended_Main_Code_Unit       (Entity_Id);
 154 extern Boolean In_Same_Source_Unit              (Node_Id, Node_Id);
 155
 156 /* opt: */
 157
 158 #define Global_Discard_Names           opt__global_discard_names
 159 #define Exception_Locations_Suppressed opt__exception_locations_suppressed
 160 #define Exception_Mechanism            opt__exception_mechanism
 161 #define Back_Annotate_Rep_Info         opt__back_annotate_rep_info
 162
 163 typedef enum {Setjmp_Longjmp, Back_End_Exceptions} Exception_Mechanism_Type;
 164
 165 extern Boolean Global_Discard_Names;
 166 extern Boolean Exception_Locations_Suppressed;
 167 extern Exception_Mechanism_Type Exception_Mechanism;
 168 extern Boolean Back_Annotate_Rep_Info;
 169
 170 /* restrict: */
 171
 172 #define No_Exception_Handlers_Set      restrict__no_exception_handlers_set
 173 #define Check_No_Implicit_Heap_Alloc   restrict__check_no_implicit_heap_alloc
 174 #define Check_Elaboration_Code_Allowed restrict__check_elaboration_code_allowed
 175 #define Check_Implicit_Dynamic_Code_Allowed restrict__check_implicit_dynamic_code_allowed
 176
 177 extern Boolean No_Exception_Handlers_Set   (void);
 178 extern void Check_No_Implicit_Heap_Alloc   (Node_Id);
 179 extern void Check_Elaboration_Code_Allowed (Node_Id);
 180 extern void Check_Implicit_Dynamic_Code_Allowed (Node_Id);
 181
 182 /* sem_elim: */
 183
 184 #define Eliminate_Error_Msg    sem_elim__eliminate_error_msg
 185
 186 extern void Eliminate_Error_Msg (Node_Id, Entity_Id);
 187
 188 /* sem_eval: */
 189
 190 #define Compile_Time_Known_Value        sem_eval__compile_time_known_value
 191 #define Expr_Value                      sem_eval__expr_value
 192 #define Expr_Value_S                    sem_eval__expr_value_s
 193 #define Is_OK_Static_Expression         sem_eval__is_ok_static_expression
 194 #define Is_OK_Static_Subtype            sem_eval__is_ok_static_subtype
 195
 196 extern Uint Expr_Value                  (Node_Id);
 197 extern Node_Id Expr_Value_S             (Node_Id);
 198 extern Boolean Compile_Time_Known_Value (Node_Id);
 199 extern Boolean Is_OK_Static_Expression  (Node_Id);
 200 extern Boolean Is_OK_Static_Subtype     (Entity_Id);
 201
 202 /* sem_util: */
 203
 204 #define Defining_Entity                 sem_util__defining_entity
 205 #define First_Actual                    sem_util__first_actual
 206 #define Next_Actual                     sem_util__next_actual
 207 #define Requires_Transient_Scope        sem_util__requires_transient_scope
 208
 209 extern Entity_Id Defining_Entity        (Node_Id);
 210 extern Node_Id First_Actual             (Node_Id);
 211 extern Node_Id Next_Actual              (Node_Id);
 212 extern Boolean Requires_Transient_Scope (Entity_Id);
 213
 214 /* sinfo: These functions aren't in sinfo.h since we don't make the
 215    setting functions, just the retrieval functions.  */
 216
 217 #define Set_Has_No_Elaboration_Code sinfo__set_has_no_elaboration_code
 218 extern void Set_Has_No_Elaboration_Code (Node_Id, Boolean);
 219
 220 /* targparm: */
 221
 222 #define Stack_Check_Probes_On_Target targparm__stack_check_probes_on_target
 223 #define Stack_Check_Limits_On_Target targparm__stack_check_limits_on_target
 224
 225 extern Boolean Stack_Check_Probes_On_Target;
 226 extern Boolean Stack_Check_Limits_On_Target;