gcc/ada/fe.h

   1 /****************************************************************************
   2  *                                                                          *
   3  *                         GNAT COMPILER COMPONENTS                         *
   4  *                                                                          *
   5  *                                    FE                                    *
   6  *                                                                          *
   7  *                              C Header File                               *
   8  *                                                                          *
   9  *          Copyright (C) 1992-2014, 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 /* comperr: */
  43
  44 #define Compiler_Abort comperr__compiler_abort
  45 extern int Compiler_Abort (String_Pointer, String_Pointer, Boolean) ATTRIBUTE_NORETURN;
  46
  47 /* csets: */
  48
  49 #define Fold_Lower(C) csets__fold_lower[C]
  50 #define Fold_Upper(C) csets__fold_upper[C]
  51 extern char Fold_Lower[], Fold_Upper[];
  52
  53 /* debug: */
  54
  55 #define Debug_Flag_NN debug__debug_flag_nn
  56 extern Boolean Debug_Flag_NN;
  57
  58 /* einfo: We will be setting Esize for types, Component_Bit_Offset for fields,
  59    Alignment for types and objects, Component_Size for array types.  */
  60
  61 #define Set_Alignment                   einfo__set_alignment
  62 #define Set_Component_Bit_Offset        einfo__set_component_bit_offset
  63 #define Set_Component_Size              einfo__set_component_size
  64 #define Set_Esize                       einfo__set_esize
  65 #define Set_Mechanism                   einfo__set_mechanism
  66 #define Set_RM_Size                     einfo__set_rm_size
  67
  68 extern void Set_Alignment               (Entity_Id, Uint);
  69 extern void Set_Component_Bit_Offset    (Entity_Id, Uint);
  70 extern void Set_Component_Size          (Entity_Id, Uint);
  71 extern void Set_Esize                   (Entity_Id, Uint);
  72 extern void Set_Mechanism               (Entity_Id, Mechanism_Type);
  73 extern void Set_RM_Size                 (Entity_Id, Uint);
  74
  75 #define Is_Entity_Name einfo__is_entity_name
  76 extern Boolean Is_Entity_Name           (Node_Id);
  77
  78 #define Get_Attribute_Definition_Clause einfo__get_attribute_definition_clause
  79 extern Node_Id Get_Attribute_Definition_Clause (Entity_Id, char);
  80
  81 /* atree: */
  82
  83 #define Serious_Errors_Detected atree__serious_errors_detected
  84
  85 /* errout: */
  86
  87 #define Error_Msg_N               errout__error_msg_n
  88 #define Error_Msg_NE              errout__error_msg_ne
  89 #define Set_Identifier_Casing     errout__set_identifier_casing
  90
  91 extern void Error_Msg_N           (String_Pointer, Node_Id);
  92 extern void Error_Msg_NE          (String_Pointer, Node_Id, Entity_Id);
  93 extern void Set_Identifier_Casing (Char *, const Char *);
  94
  95 /* err_vars: */
  96
  97 #define Error_Msg_Node_2        err_vars__error_msg_node_2
  98 #define Error_Msg_Uint_1        err_vars__error_msg_uint_1
  99 #define Error_Msg_Uint_2        err_vars__error_msg_uint_2
 100
 101 extern Entity_Id Error_Msg_Node_2;
 102 extern Uint      Error_Msg_Uint_1;
 103 extern Uint      Error_Msg_Uint_2;
 104 extern Nat       Serious_Errors_Detected;
 105
 106 /* exp_ch11:  */
 107
 108 #define Get_Local_Raise_Call_Entity exp_ch11__get_local_raise_call_entity
 109 #define Get_RT_Exception_Entity exp_ch11__get_rt_exception_entity
 110 #define Get_RT_Exception_Name exp_ch11__get_rt_exception_name
 111
 112 extern Entity_Id Get_Local_Raise_Call_Entity (void);
 113 extern Entity_Id Get_RT_Exception_Entity (int);
 114 extern void Get_RT_Exception_Name (int);
 115
 116 /* exp_code:  */
 117
 118 #define Asm_Input_Constraint exp_code__asm_input_constraint
 119 #define Asm_Input_Value exp_code__asm_input_value
 120 #define Asm_Output_Constraint exp_code__asm_output_constraint
 121 #define Asm_Output_Variable exp_code__asm_output_variable
 122 #define Asm_Template exp_code__asm_template
 123 #define Clobber_Get_Next exp_code__clobber_get_next
 124 #define Clobber_Setup exp_code__clobber_setup
 125 #define Is_Asm_Volatile exp_code__is_asm_volatile
 126 #define Next_Asm_Input exp_code__next_asm_input
 127 #define Next_Asm_Output exp_code__next_asm_output
 128 #define Setup_Asm_Inputs exp_code__setup_asm_inputs
 129 #define Setup_Asm_Outputs exp_code__setup_asm_outputs
 130
 131 extern Node_Id Asm_Input_Constraint     (void);
 132 extern Node_Id Asm_Input_Value          (void);
 133 extern Node_Id Asm_Output_Constraint    (void);
 134 extern Node_Id Asm_Output_Variable      (void);
 135 extern Node_Id Asm_Template             (Node_Id);
 136 extern char *Clobber_Get_Next           (void);
 137 extern void Clobber_Setup               (Node_Id);
 138 extern Boolean Is_Asm_Volatile          (Node_Id);
 139 extern void Next_Asm_Input              (void);
 140 extern void Next_Asm_Output             (void);
 141 extern void Setup_Asm_Inputs            (Node_Id);
 142 extern void Setup_Asm_Outputs           (Node_Id);
 143
 144 /* exp_dbug:  */
 145
 146 #define Get_Encoded_Name exp_dbug__get_encoded_name
 147 #define Get_External_Name exp_dbug__get_external_name
 148
 149 extern void Get_Encoded_Name    (Entity_Id);
 150 extern void Get_External_Name   (Entity_Id, Boolean, String_Pointer);
 151
 152 /* exp_util: */
 153
 154 #define Is_Fully_Repped_Tagged_Type exp_util__is_fully_repped_tagged_type
 155
 156 extern Boolean Is_Fully_Repped_Tagged_Type      (Entity_Id);
 157
 158 /* exp_vfpt: */
 159
 160 #define Get_Vax_Real_Literal_As_Signed exp_vfpt__get_vax_real_literal_as_signed
 161 extern Ureal Get_Vax_Real_Literal_As_Signed (Node_Id);
 162
 163 /* lib: */
 164
 165 #define Cunit                           lib__cunit
 166 #define Ident_String                    lib__ident_string
 167 #define In_Extended_Main_Code_Unit      lib__in_extended_main_code_unit
 168 #define In_Same_Source_Unit             lib__in_same_source_unit
 169
 170 extern Node_Id Cunit                            (Unit_Number_Type);
 171 extern Node_Id Ident_String                     (Unit_Number_Type);
 172 extern Boolean In_Extended_Main_Code_Unit       (Entity_Id);
 173 extern Boolean In_Same_Source_Unit              (Node_Id, Node_Id);
 174
 175 /* opt: */
 176
 177 #define Exception_Extra_Info           opt__exception_extra_info
 178 #define Exception_Locations_Suppressed opt__exception_locations_suppressed
 179 #define Exception_Mechanism            opt__exception_mechanism
 180 #define Generate_SCO_Instance_Table    opt__generate_sco_instance_table
 181 #define Float_Format                   opt__float_format
 182 #define List_Representation_Info       opt__list_representation_info
 183
 184 typedef enum {Setjmp_Longjmp, Back_End_Exceptions} Exception_Mechanism_Type;
 185
 186 extern Boolean Exception_Extra_Info;
 187 extern Boolean Exception_Locations_Suppressed;
 188 extern Exception_Mechanism_Type Exception_Mechanism;
 189 extern Boolean Generate_SCO_Instance_Table;
 190 extern Char Float_Format;
 191 extern Int List_Representation_Info;
 192
 193 /* restrict: */
 194
 195 #define No_Exception_Handlers_Set      restrict__no_exception_handlers_set
 196 #define Check_No_Implicit_Heap_Alloc   restrict__check_no_implicit_heap_alloc
 197 #define Check_Elaboration_Code_Allowed restrict__check_elaboration_code_allowed
 198 #define Check_Implicit_Dynamic_Code_Allowed restrict__check_implicit_dynamic_code_allowed
 199
 200 extern Boolean No_Exception_Handlers_Set   (void);
 201 extern void Check_No_Implicit_Heap_Alloc   (Node_Id);
 202 extern void Check_Elaboration_Code_Allowed (Node_Id);
 203 extern void Check_Implicit_Dynamic_Code_Allowed (Node_Id);
 204
 205 /* sem_aux:  */
 206
 207 #define Ancestor_Subtype               sem_aux__ancestor_subtype
 208 #define First_Discriminant             sem_aux__first_discriminant
 209 #define First_Stored_Discriminant      sem_aux__first_stored_discriminant
 210 #define First_Subtype                  sem_aux__first_subtype
 211 #define Is_By_Reference_Type           sem_aux__is_by_reference_type
 212 #define Is_Derived_Type                sem_aux__is_derived_type
 213
 214 extern Entity_Id  Ancestor_Subtype             (Entity_Id);
 215 extern Entity_Id  First_Discriminant           (Entity_Id);
 216 extern Entity_Id  First_Stored_Discriminant    (Entity_Id);
 217 extern Entity_Id  First_Subtype                (Entity_Id);
 218 extern Boolean    Is_By_Reference_Type         (Entity_Id);
 219 extern Boolean    Is_Derived_Type              (Entity_Id);
 220
 221 /* sem_elim: */
 222
 223 #define Eliminate_Error_Msg    sem_elim__eliminate_error_msg
 224
 225 extern void Eliminate_Error_Msg (Node_Id, Entity_Id);
 226
 227 /* sem_eval: */
 228
 229 #define Compile_Time_Known_Value        sem_eval__compile_time_known_value
 230 #define Expr_Value                      sem_eval__expr_value
 231 #define Expr_Value_S                    sem_eval__expr_value_s
 232 #define Is_OK_Static_Expression         sem_eval__is_ok_static_expression
 233 #define Is_OK_Static_Subtype            sem_eval__is_ok_static_subtype
 234
 235 extern Uint Expr_Value                  (Node_Id);
 236 extern Node_Id Expr_Value_S             (Node_Id);
 237 extern Boolean Compile_Time_Known_Value (Node_Id);
 238 extern Boolean Is_OK_Static_Expression  (Node_Id);
 239 extern Boolean Is_OK_Static_Subtype     (Entity_Id);
 240
 241 /* sem_util: */
 242
 243 #define Defining_Entity                 sem_util__defining_entity
 244 #define First_Actual                    sem_util__first_actual
 245 #define Next_Actual                     sem_util__next_actual
 246 #define Requires_Transient_Scope        sem_util__requires_transient_scope
 247
 248 extern Entity_Id Defining_Entity        (Node_Id);
 249 extern Node_Id First_Actual             (Node_Id);
 250 extern Node_Id Next_Actual              (Node_Id);
 251 extern Boolean Requires_Transient_Scope (Entity_Id);
 252
 253 /* sinfo: */
 254
 255 #define End_Location                    sinfo__end_location
 256 #define Set_Has_No_Elaboration_Code     sinfo__set_has_no_elaboration_code
 257 #define Set_Present_Expr                sinfo__set_present_expr
 258
 259 extern Source_Ptr End_Location          (Node_Id);
 260 extern void Set_Has_No_Elaboration_Code (Node_Id, Boolean);
 261 extern void Set_Present_Expr            (Node_Id, Uint);
 262
 263 /* targparm: */
 264
 265 #define Backend_Overflow_Checks_On_Target targparm__backend_overflow_checks_on_target
 266 #define Machine_Overflows_On_Target targparm__machine_overflows_on_target
 267 #define Signed_Zeros_On_Target targparm__signed_zeros_on_target
 268 #define Stack_Check_Probes_On_Target targparm__stack_check_probes_on_target
 269 #define Stack_Check_Limits_On_Target targparm__stack_check_limits_on_target
 270
 271 extern Boolean Backend_Overflow_Checks_On_Target;
 272 extern Boolean Machine_Overflows_On_Target;
 273 extern Boolean Signed_Zeros_On_Target;
 274 extern Boolean Stack_Check_Probes_On_Target;
 275 extern Boolean Stack_Check_Limits_On_Target;
 276
 277 #ifdef __cplusplus
 278 }
 279 #endif