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_RM_Size                     einfo__set_rm_size
  72
  73 extern void Set_Alignment               (Entity_Id, Uint);
  74 extern void Set_Component_Bit_Offset    (Entity_Id, Uint);
  75 extern void Set_Component_Size          (Entity_Id, Uint);
  76 extern void Set_Esize                   (Entity_Id, Uint);
  77 extern void Set_Mechanism               (Entity_Id, Mechanism_Type);
  78 extern void Set_RM_Size                 (Entity_Id, Uint);
  79
  80 #define Is_Entity_Name einfo__is_entity_name
  81 extern Boolean Is_Entity_Name           (Node_Id);
  82
  83 #define Get_Attribute_Definition_Clause einfo__get_attribute_definition_clause
  84 extern Node_Id Get_Attribute_Definition_Clause (Entity_Id, char);
  85
  86 /* errout: */
  87
  88 #define Error_Msg_N               errout__error_msg_n
  89 #define Error_Msg_NE              errout__error_msg_ne
  90 #define Set_Identifier_Casing     errout__set_identifier_casing
  91
  92 extern void Error_Msg_N           (String_Pointer, Node_Id);
  93 extern void Error_Msg_NE          (String_Pointer, Node_Id, Entity_Id);
  94 extern void Set_Identifier_Casing (Char *, const Char *);
  95
  96 /* err_vars: */
  97
  98 #define Error_Msg_Node_2        err_vars__error_msg_node_2
  99 #define Error_Msg_Uint_1        err_vars__error_msg_uint_1
 100 #define Error_Msg_Uint_2        err_vars__error_msg_uint_2
 101
 102 extern Entity_Id Error_Msg_Node_2;
 103 extern Uint      Error_Msg_Uint_1;
 104 extern Uint      Error_Msg_Uint_2;
 105 extern Nat       Serious_Errors_Detected;
 106
 107 /* exp_ch11:  */
 108
 109 #define Get_Local_Raise_Call_Entity exp_ch11__get_local_raise_call_entity
 110 #define Get_RT_Exception_Entity exp_ch11__get_rt_exception_entity
 111 #define Get_RT_Exception_Name exp_ch11__get_rt_exception_name
 112 #define Warn_If_No_Local_Raise exp_ch11__warn_if_no_local_raise
 113
 114 extern Entity_Id Get_Local_Raise_Call_Entity (void);
 115 extern Entity_Id Get_RT_Exception_Entity (int);
 116 extern void Get_RT_Exception_Name (int);
 117 extern void Warn_If_No_Local_Raise (int);
 118
 119 /* exp_code:  */
 120
 121 #define Asm_Input_Constraint exp_code__asm_input_constraint
 122 #define Asm_Input_Value exp_code__asm_input_value
 123 #define Asm_Output_Constraint exp_code__asm_output_constraint
 124 #define Asm_Output_Variable exp_code__asm_output_variable
 125 #define Asm_Template exp_code__asm_template
 126 #define Clobber_Get_Next exp_code__clobber_get_next
 127 #define Clobber_Setup exp_code__clobber_setup
 128 #define Is_Asm_Volatile exp_code__is_asm_volatile
 129 #define Next_Asm_Input exp_code__next_asm_input
 130 #define Next_Asm_Output exp_code__next_asm_output
 131 #define Setup_Asm_Inputs exp_code__setup_asm_inputs
 132 #define Setup_Asm_Outputs exp_code__setup_asm_outputs
 133
 134 extern Node_Id Asm_Input_Constraint     (void);
 135 extern Node_Id Asm_Input_Value          (void);
 136 extern Node_Id Asm_Output_Constraint    (void);
 137 extern Node_Id Asm_Output_Variable      (void);
 138 extern Node_Id Asm_Template             (Node_Id);
 139 extern char *Clobber_Get_Next           (void);
 140 extern void Clobber_Setup               (Node_Id);
 141 extern Boolean Is_Asm_Volatile          (Node_Id);
 142 extern void Next_Asm_Input              (void);
 143 extern void Next_Asm_Output             (void);
 144 extern void Setup_Asm_Inputs            (Node_Id);
 145 extern void Setup_Asm_Outputs           (Node_Id);
 146
 147 /* exp_dbug:  */
 148
 149 #define Get_Encoded_Name exp_dbug__get_encoded_name
 150 #define Get_External_Name exp_dbug__get_external_name
 151
 152 extern void Get_Encoded_Name    (Entity_Id);
 153 extern void Get_External_Name   (Entity_Id, Boolean, String_Pointer);
 154
 155 /* exp_util: */
 156
 157 #define Is_Fully_Repped_Tagged_Type exp_util__is_fully_repped_tagged_type
 158
 159 extern Boolean Is_Fully_Repped_Tagged_Type      (Entity_Id);
 160
 161 /* lib: */
 162
 163 #define Cunit                           lib__cunit
 164 #define Ident_String                    lib__ident_string
 165 #define In_Extended_Main_Code_Unit      lib__in_extended_main_code_unit
 166 #define In_Same_Source_Unit             lib__in_same_source_unit
 167
 168 extern Node_Id Cunit                            (Unit_Number_Type);
 169 extern Node_Id Ident_String                     (Unit_Number_Type);
 170 extern Boolean In_Extended_Main_Code_Unit       (Entity_Id);
 171 extern Boolean In_Same_Source_Unit              (Node_Id, Node_Id);
 172
 173 /* opt: */
 174
 175 #define Back_End_Inlining              opt__back_end_inlining
 176 #define Exception_Extra_Info           opt__exception_extra_info
 177 #define Exception_Locations_Suppressed opt__exception_locations_suppressed
 178 #define Exception_Mechanism            opt__exception_mechanism
 179 #define Float_Format                   opt__float_format
 180 #define Generate_SCO_Instance_Table    opt__generate_sco_instance_table
 181 #define GNAT_Mode                      opt__gnat_mode
 182 #define List_Representation_Info       opt__list_representation_info
 183 #define No_Strict_Aliasing_CP          opt__no_strict_aliasing
 184
 185 typedef enum {
 186   Front_End_SJLJ, Back_End_ZCX, Back_End_SJLJ
 187 } Exception_Mechanism_Type;
 188
 189 extern Boolean Back_End_Inlining;
 190 extern Boolean Exception_Extra_Info;
 191 extern Boolean Exception_Locations_Suppressed;
 192 extern Exception_Mechanism_Type Exception_Mechanism;
 193 extern Char Float_Format;
 194 extern Boolean Generate_SCO_Instance_Table;
 195 extern Boolean GNAT_Mode;
 196 extern Int List_Representation_Info;
 197 extern Boolean No_Strict_Aliasing_CP;
 198
 199 #define ZCX_Exceptions            opt__zcx_exceptions
 200 #define SJLJ_Exceptions           opt__sjlj_exceptions
 201 #define Front_End_Exceptions      opt__front_end_exceptions
 202 #define Back_End_Exceptions       opt__back_end_exceptions
 203
 204 extern Boolean ZCX_Exceptions       (void);
 205 extern Boolean SJLJ_Exceptions      (void);
 206 extern Boolean Front_End_Exceptions (void);
 207 extern Boolean Back_End_Exceptions  (void);
 208
 209 /* restrict: */
 210
 211 #define No_Exception_Handlers_Set      restrict__no_exception_handlers_set
 212 #define Check_No_Implicit_Heap_Alloc   restrict__check_no_implicit_heap_alloc
 213 #define Check_No_Implicit_Task_Alloc   restrict__check_no_implicit_task_alloc
 214 #define Check_No_Implicit_Protected_Alloc restrict__check_no_implicit_protected_alloc
 215 #define Check_Elaboration_Code_Allowed restrict__check_elaboration_code_allowed
 216 #define Check_Implicit_Dynamic_Code_Allowed restrict__check_implicit_dynamic_code_allowed
 217
 218 extern Boolean No_Exception_Handlers_Set   (void);
 219 extern void Check_No_Implicit_Heap_Alloc   (Node_Id);
 220 extern void Check_No_Implicit_Task_Alloc   (Node_Id);
 221 extern void Check_No_Implicit_Protected_Alloc (Node_Id);
 222 extern void Check_Elaboration_Code_Allowed (Node_Id);
 223 extern void Check_Implicit_Dynamic_Code_Allowed (Node_Id);
 224
 225 /* sem_aggr:  */
 226
 227 #define Is_Others_Aggregate    sem_aggr__is_others_aggregate
 228
 229 extern Boolean Is_Others_Aggregate (Node_Id);
 230
 231 /* sem_aux:  */
 232
 233 #define Ancestor_Subtype               sem_aux__ancestor_subtype
 234 #define Constant_Value                 sem_aux__constant_value
 235 #define First_Discriminant             sem_aux__first_discriminant
 236 #define First_Stored_Discriminant      sem_aux__first_stored_discriminant
 237 #define First_Subtype                  sem_aux__first_subtype
 238 #define Is_By_Reference_Type           sem_aux__is_by_reference_type
 239 #define Is_Derived_Type                sem_aux__is_derived_type
 240
 241 extern Entity_Id  Ancestor_Subtype             (Entity_Id);
 242 extern Node_Id    Constant_Value               (Entity_Id);
 243 extern Entity_Id  First_Discriminant           (Entity_Id);
 244 extern Entity_Id  First_Stored_Discriminant    (Entity_Id);
 245 extern Entity_Id  First_Subtype                (Entity_Id);
 246 extern Boolean    Is_By_Reference_Type         (Entity_Id);
 247 extern Boolean    Is_Derived_Type              (Entity_Id);
 248
 249 /* sem_eval: */
 250
 251 #define Compile_Time_Known_Value        sem_eval__compile_time_known_value
 252 #define Expr_Value                      sem_eval__expr_value
 253 #define Expr_Value_S                    sem_eval__expr_value_s
 254 #define Is_OK_Static_Expression         sem_eval__is_ok_static_expression
 255 #define Is_OK_Static_Subtype            sem_eval__is_ok_static_subtype
 256
 257 extern Uint Expr_Value                  (Node_Id);
 258 extern Node_Id Expr_Value_S             (Node_Id);
 259 extern Boolean Compile_Time_Known_Value (Node_Id);
 260 extern Boolean Is_OK_Static_Expression  (Node_Id);
 261 extern Boolean Is_OK_Static_Subtype     (Entity_Id);
 262
 263 /* sem_util: */
 264
 265 #define Defining_Entity                 sem_util__defining_entity
 266 #define First_Actual                    sem_util__first_actual
 267 #define Next_Actual                     sem_util__next_actual
 268 #define Requires_Transient_Scope        sem_util__requires_transient_scope
 269
 270 extern Entity_Id Defining_Entity        (Node_Id);
 271 extern Node_Id First_Actual             (Node_Id);
 272 extern Node_Id Next_Actual              (Node_Id);
 273 extern Boolean Requires_Transient_Scope (Entity_Id);
 274
 275 /* sinfo: */
 276
 277 #define End_Location                    sinfo__end_location
 278 #define Set_Has_No_Elaboration_Code     sinfo__set_has_no_elaboration_code
 279 #define Set_Present_Expr                sinfo__set_present_expr
 280
 281 extern Source_Ptr End_Location          (Node_Id);
 282 extern void Set_Has_No_Elaboration_Code (Node_Id, Boolean);
 283 extern void Set_Present_Expr            (Node_Id, Uint);
 284
 285 /* targparm: */
 286
 287 #define Backend_Overflow_Checks_On_Target targparm__backend_overflow_checks_on_target
 288 #define Machine_Overflows_On_Target targparm__machine_overflows_on_target
 289 #define Signed_Zeros_On_Target targparm__signed_zeros_on_target
 290 #define Stack_Check_Probes_On_Target targparm__stack_check_probes_on_target
 291 #define Stack_Check_Limits_On_Target targparm__stack_check_limits_on_target
 292
 293 extern Boolean Backend_Overflow_Checks_On_Target;
 294 extern Boolean Machine_Overflows_On_Target;
 295 extern Boolean Signed_Zeros_On_Target;
 296 extern Boolean Stack_Check_Probes_On_Target;
 297 extern Boolean Stack_Check_Limits_On_Target;
 298
 299 /* warnsw: */
 300
 301 #define Warn_On_Questionable_Layout warnsw__warn_on_questionable_layout
 302
 303 extern Boolean Warn_On_Questionable_Layout;
 304
 305 #ifdef __cplusplus
 306 }
 307 #endif