gcc/ada/fe.h

   1 /****************************************************************************
   2  *                                                                          *
   3  *                         GNAT COMPILER COMPONENTS                         *
   4  *                                                                          *
   5  *                                    FE                                    *
   6  *                                                                          *
   7  *                              C Header File                               *
   8  *                                                                          *
   9  *          Copyright (C) 1992-2018, 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 3,  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.                                     *
  17  *                                                                          *
  18  * As a special exception under Section 7 of GPL version 3, you are granted *
  19  * additional permissions described in the GCC Runtime Library Exception,   *
  20  * version 3.1, as published by the Free Software Foundation.               *
  21  *                                                                          *
  22  * You should have received a copy of the GNU General Public License and    *
  23  * a copy of the GCC Runtime Library Exception along with this program;     *
  24  * see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    *
  25  * <http://www.gnu.org/licenses/>.                                          *
  26  *                                                                          *
  27  * GNAT was originally developed  by the GNAT team at  New York University. *
  28  * Extensive contributions were provided by Ada Core Technologies Inc.      *
  29  *                                                                          *
  30  ****************************************************************************/
  31
  32 /* This file contains declarations to access front-end functions and variables
  33    used by gigi.
  34
  35    WARNING: functions taking String_Pointer parameters must abide by the rule
  36    documented alongside the definition of String_Pointer in types.h.  */
  37
  38 #ifdef __cplusplus
  39 extern "C" {
  40 #endif
  41
  42 /* atree: */
  43
  44 #define Serious_Errors_Detected atree__serious_errors_detected
  45
  46 /* comperr: */
  47
  48 #define Compiler_Abort comperr__compiler_abort
  49 extern int Compiler_Abort (String_Pointer, String_Pointer, Boolean) ATTRIBUTE_NORETURN;
  50
  51 /* csets: */
  52
  53 #define Fold_Lower(C) csets__fold_lower[C]
  54 #define Fold_Upper(C) csets__fold_upper[C]
  55 extern char Fold_Lower[], Fold_Upper[];
  56
  57 /* debug: */
  58
  59 #define Debug_Flag_Dot_R        debug__debug_flag_dot_r
  60 #define Debug_Flag_NN           debug__debug_flag_nn
  61 extern Boolean Debug_Flag_Dot_R;
  62 extern Boolean Debug_Flag_NN;
  63
  64 /* einfo: */
  65
  66 #define Set_Alignment                   einfo__set_alignment
  67 #define Set_Component_Bit_Offset        einfo__set_component_bit_offset
  68 #define Set_Component_Size              einfo__set_component_size
  69 #define Set_Esize                       einfo__set_esize
  70 #define Set_Mechanism                   einfo__set_mechanism
  71 #define Set_Normalized_First_Bit        einfo__set_normalized_first_bit
  72 #define Set_Normalized_Position         einfo__set_normalized_position
  73 #define Set_RM_Size                     einfo__set_rm_size
  74
  75 extern void Set_Alignment               (Entity_Id, Uint);
  76 extern void Set_Component_Bit_Offset    (Entity_Id, Uint);
  77 extern void Set_Component_Size          (Entity_Id, Uint);
  78 extern void Set_Esize                   (Entity_Id, Uint);
  79 extern void Set_Mechanism               (Entity_Id, Mechanism_Type);
  80 extern void Set_Normalized_First_Bit    (Entity_Id, Uint);
  81 extern void Set_Normalized_Position     (Entity_Id, Uint);
  82 extern void Set_RM_Size                 (Entity_Id, Uint);
  83
  84 #define Is_Entity_Name einfo__is_entity_name
  85 extern Boolean Is_Entity_Name           (Node_Id);
  86
  87 #define Get_Attribute_Definition_Clause einfo__get_attribute_definition_clause
  88 extern Node_Id Get_Attribute_Definition_Clause (Entity_Id, unsigned char);
  89
  90 /* errout: */
  91
  92 #define Error_Msg_N               errout__error_msg_n
  93 #define Error_Msg_NE              errout__error_msg_ne
  94 #define Set_Identifier_Casing     errout__set_identifier_casing
  95
  96 extern void Error_Msg_N           (String_Pointer, Node_Id);
  97 extern void Error_Msg_NE          (String_Pointer, Node_Id, Entity_Id);
  98 extern void Set_Identifier_Casing (Char *, const Char *);
  99
 100 /* err_vars: */
 101
 102 #define Error_Msg_Node_2        err_vars__error_msg_node_2
 103 #define Error_Msg_Uint_1        err_vars__error_msg_uint_1
 104 #define Error_Msg_Uint_2        err_vars__error_msg_uint_2
 105
 106 extern Entity_Id Error_Msg_Node_2;
 107 extern Uint      Error_Msg_Uint_1;
 108 extern Uint      Error_Msg_Uint_2;
 109 extern Nat       Serious_Errors_Detected;
 110
 111 /* exp_ch11:  */
 112
 113 #define Get_Local_Raise_Call_Entity exp_ch11__get_local_raise_call_entity
 114 #define Get_RT_Exception_Entity exp_ch11__get_rt_exception_entity
 115 #define Get_RT_Exception_Name exp_ch11__get_rt_exception_name
 116 #define Warn_If_No_Local_Raise exp_ch11__warn_if_no_local_raise
 117
 118 extern Entity_Id Get_Local_Raise_Call_Entity (void);
 119 extern Entity_Id Get_RT_Exception_Entity (int);
 120 extern void Get_RT_Exception_Name (int);
 121 extern void Warn_If_No_Local_Raise (int);
 122
 123 /* exp_code:  */
 124
 125 #define Asm_Input_Constraint exp_code__asm_input_constraint
 126 #define Asm_Input_Value exp_code__asm_input_value
 127 #define Asm_Output_Constraint exp_code__asm_output_constraint
 128 #define Asm_Output_Variable exp_code__asm_output_variable
 129 #define Asm_Template exp_code__asm_template
 130 #define Clobber_Get_Next exp_code__clobber_get_next
 131 #define Clobber_Setup exp_code__clobber_setup
 132 #define Is_Asm_Volatile exp_code__is_asm_volatile
 133 #define Next_Asm_Input exp_code__next_asm_input
 134 #define Next_Asm_Output exp_code__next_asm_output
 135 #define Setup_Asm_Inputs exp_code__setup_asm_inputs
 136 #define Setup_Asm_Outputs exp_code__setup_asm_outputs
 137
 138 extern Node_Id Asm_Input_Constraint     (void);
 139 extern Node_Id Asm_Input_Value          (void);
 140 extern Node_Id Asm_Output_Constraint    (void);
 141 extern Node_Id Asm_Output_Variable      (void);
 142 extern Node_Id Asm_Template             (Node_Id);
 143 extern char *Clobber_Get_Next           (void);
 144 extern void Clobber_Setup               (Node_Id);
 145 extern Boolean Is_Asm_Volatile          (Node_Id);
 146 extern void Next_Asm_Input              (void);
 147 extern void Next_Asm_Output             (void);
 148 extern void Setup_Asm_Inputs            (Node_Id);
 149 extern void Setup_Asm_Outputs           (Node_Id);
 150
 151 /* exp_dbug:  */
 152
 153 #define Get_Encoded_Name exp_dbug__get_encoded_name
 154 #define Get_External_Name exp_dbug__get_external_name
 155
 156 extern void Get_Encoded_Name    (Entity_Id);
 157 extern void Get_External_Name   (Entity_Id, Boolean, String_Pointer);
 158
 159 /* exp_tss: */
 160
 161 #define Is_Init_Proc exp_tss__is_init_proc
 162
 163 extern Boolean Is_Init_Proc             (Entity_Id);
 164
 165 /* exp_util: */
 166
 167 #define Is_Fully_Repped_Tagged_Type exp_util__is_fully_repped_tagged_type
 168 #define Find_Interface_Tag exp_util__find_interface_tag
 169
 170 extern Boolean Is_Fully_Repped_Tagged_Type      (Entity_Id);
 171 extern Entity_Id Find_Interface_Tag             (Entity_Id, Entity_Id);
 172
 173 /* lib: */
 174
 175 #define Cunit                           lib__cunit
 176 #define Ident_String                    lib__ident_string
 177 #define In_Extended_Main_Code_Unit      lib__in_extended_main_code_unit
 178 #define In_Same_Source_Unit             lib__in_same_source_unit
 179
 180 extern Node_Id Cunit                            (Unit_Number_Type);
 181 extern Node_Id Ident_String                     (Unit_Number_Type);
 182 extern Boolean In_Extended_Main_Code_Unit       (Entity_Id);
 183 extern Boolean In_Same_Source_Unit              (Node_Id, Node_Id);
 184
 185 /* opt: */
 186
 187 #define Back_End_Inlining              opt__back_end_inlining
 188 #define Exception_Extra_Info           opt__exception_extra_info
 189 #define Exception_Locations_Suppressed opt__exception_locations_suppressed
 190 #define Exception_Mechanism            opt__exception_mechanism
 191 #define Float_Format                   opt__float_format
 192 #define Generate_SCO_Instance_Table    opt__generate_sco_instance_table
 193 #define GNAT_Mode                      opt__gnat_mode
 194 #define List_Representation_Info       opt__list_representation_info
 195 #define No_Strict_Aliasing_CP          opt__no_strict_aliasing
 196
 197 typedef enum {
 198   Front_End_SJLJ, Back_End_ZCX, Back_End_SJLJ
 199 } Exception_Mechanism_Type;
 200
 201 extern Boolean Back_End_Inlining;
 202 extern Boolean Exception_Extra_Info;
 203 extern Boolean Exception_Locations_Suppressed;
 204 extern Exception_Mechanism_Type Exception_Mechanism;
 205 extern Char Float_Format;
 206 extern Boolean Generate_SCO_Instance_Table;
 207 extern Boolean GNAT_Mode;
 208 extern Int List_Representation_Info;
 209 extern Boolean No_Strict_Aliasing_CP;
 210
 211 #define ZCX_Exceptions            opt__zcx_exceptions
 212 #define SJLJ_Exceptions           opt__sjlj_exceptions
 213 #define Front_End_Exceptions      opt__front_end_exceptions
 214 #define Back_End_Exceptions       opt__back_end_exceptions
 215
 216 extern Boolean ZCX_Exceptions       (void);
 217 extern Boolean SJLJ_Exceptions      (void);
 218 extern Boolean Front_End_Exceptions (void);
 219 extern Boolean Back_End_Exceptions  (void);
 220
 221 /* restrict: */
 222
 223 #define No_Exception_Handlers_Set      restrict__no_exception_handlers_set
 224 #define Check_No_Implicit_Heap_Alloc   restrict__check_no_implicit_heap_alloc
 225 #define Check_No_Implicit_Task_Alloc   restrict__check_no_implicit_task_alloc
 226 #define Check_No_Implicit_Protected_Alloc restrict__check_no_implicit_protected_alloc
 227 #define Check_Elaboration_Code_Allowed restrict__check_elaboration_code_allowed
 228 #define Check_Implicit_Dynamic_Code_Allowed restrict__check_implicit_dynamic_code_allowed
 229
 230 extern Boolean No_Exception_Handlers_Set   (void);
 231 extern void Check_No_Implicit_Heap_Alloc   (Node_Id);
 232 extern void Check_No_Implicit_Task_Alloc   (Node_Id);
 233 extern void Check_No_Implicit_Protected_Alloc (Node_Id);
 234 extern void Check_Elaboration_Code_Allowed (Node_Id);
 235 extern void Check_Implicit_Dynamic_Code_Allowed (Node_Id);
 236
 237 /* sem_aggr:  */
 238
 239 #define Is_Others_Aggregate    sem_aggr__is_others_aggregate
 240
 241 extern Boolean Is_Others_Aggregate (Node_Id);
 242
 243 /* sem_aux:  */
 244
 245 #define Ancestor_Subtype               sem_aux__ancestor_subtype
 246 #define Constant_Value                 sem_aux__constant_value
 247 #define First_Discriminant             sem_aux__first_discriminant
 248 #define First_Stored_Discriminant      sem_aux__first_stored_discriminant
 249 #define First_Subtype                  sem_aux__first_subtype
 250 #define Is_By_Reference_Type           sem_aux__is_by_reference_type
 251 #define Is_Derived_Type                sem_aux__is_derived_type
 252
 253 extern Entity_Id  Ancestor_Subtype             (Entity_Id);
 254 extern Node_Id    Constant_Value               (Entity_Id);
 255 extern Entity_Id  First_Discriminant           (Entity_Id);
 256 extern Entity_Id  First_Stored_Discriminant    (Entity_Id);
 257 extern Entity_Id  First_Subtype                (Entity_Id);
 258 extern Boolean    Is_By_Reference_Type         (Entity_Id);
 259 extern Boolean    Is_Derived_Type              (Entity_Id);
 260
 261 /* sem_eval: */
 262
 263 #define Compile_Time_Known_Value        sem_eval__compile_time_known_value
 264 #define Expr_Value                      sem_eval__expr_value
 265 #define Expr_Value_S                    sem_eval__expr_value_s
 266 #define Is_OK_Static_Expression         sem_eval__is_ok_static_expression
 267 #define Is_OK_Static_Subtype            sem_eval__is_ok_static_subtype
 268
 269 extern Uint Expr_Value                  (Node_Id);
 270 extern Node_Id Expr_Value_S             (Node_Id);
 271 extern Boolean Compile_Time_Known_Value (Node_Id);
 272 extern Boolean Is_OK_Static_Expression  (Node_Id);
 273 extern Boolean Is_OK_Static_Subtype     (Entity_Id);
 274
 275 /* sem_util: */
 276
 277 #define Defining_Entity                 sem_util__defining_entity
 278 #define First_Actual                    sem_util__first_actual
 279 #define Next_Actual                     sem_util__next_actual
 280 #define Is_Variable_Size_Record         sem_util__is_variable_size_record
 281 #define Requires_Transient_Scope        sem_util__requires_transient_scope
 282
 283 extern Entity_Id Defining_Entity        (Node_Id);
 284 extern Node_Id First_Actual             (Node_Id);
 285 extern Node_Id Next_Actual              (Node_Id);
 286 extern Boolean Is_Variable_Size_Record  (Entity_Id Id);
 287 extern Boolean Requires_Transient_Scope (Entity_Id);
 288
 289 /* sinfo: */
 290
 291 #define End_Location                    sinfo__end_location
 292 #define Set_Has_No_Elaboration_Code     sinfo__set_has_no_elaboration_code
 293 #define Set_Present_Expr                sinfo__set_present_expr
 294
 295 extern Source_Ptr End_Location          (Node_Id);
 296 extern void Set_Has_No_Elaboration_Code (Node_Id, Boolean);
 297 extern void Set_Present_Expr            (Node_Id, Uint);
 298
 299 /* targparm: */
 300
 301 #define Backend_Overflow_Checks_On_Target targparm__backend_overflow_checks_on_target
 302 #define Machine_Overflows_On_Target targparm__machine_overflows_on_target
 303 #define Signed_Zeros_On_Target targparm__signed_zeros_on_target
 304 #define Stack_Check_Probes_On_Target targparm__stack_check_probes_on_target
 305 #define Stack_Check_Limits_On_Target targparm__stack_check_limits_on_target
 306
 307 extern Boolean Backend_Overflow_Checks_On_Target;
 308 extern Boolean Machine_Overflows_On_Target;
 309 extern Boolean Signed_Zeros_On_Target;
 310 extern Boolean Stack_Check_Probes_On_Target;
 311 extern Boolean Stack_Check_Limits_On_Target;
 312
 313 /* warnsw: */
 314
 315 #define Warn_On_Questionable_Layout warnsw__warn_on_questionable_layout
 316
 317 extern Boolean Warn_On_Questionable_Layout;
 318
 319 #ifdef __cplusplus
 320 }
 321 #endif