gcc/ada/fe.h

   1 /****************************************************************************
   2  *                                                                          *
   3  *                         GNAT COMPILER COMPONENTS                         *
   4  *                                                                          *
   5  *                                    FE                                    *
   6  *                                                                          *
   7  *                              C Header File                               *
   8  *                                                                          *
   9  *          Copyright (C) 1992-2009, 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 definitions to access front-end functions and
  33    variables used by gigi.  */
  34
  35 /* comperr:  */
  36
  37 #define Compiler_Abort comperr__compiler_abort
  38 extern int Compiler_Abort (Fat_Pointer, int, Fat_Pointer) ATTRIBUTE_NORETURN;
  39
  40 /* csets: */
  41
  42 #define Fold_Lower(C) csets__fold_lower[C]
  43 #define Fold_Upper(C) csets__fold_upper[C]
  44 extern char Fold_Lower[], Fold_Upper[];
  45
  46 /* debug: */
  47
  48 #define Debug_Flag_NN debug__debug_flag_nn
  49 extern Boolean Debug_Flag_NN;
  50
  51 /* einfo: We will be setting Esize for types, Component_Bit_Offset for fields,
  52    Alignment for types and objects, Component_Size for array types, and
  53    Present_Expr for N_Variant nodes.  */
  54
  55 #define Set_Alignment                   einfo__set_alignment
  56 #define Set_Component_Bit_Offset        einfo__set_component_bit_offset
  57 #define Set_Component_Size              einfo__set_component_size
  58 #define Set_Esize                       einfo__set_esize
  59 #define Set_Mechanism                   einfo__set_mechanism
  60 #define Set_RM_Size                     einfo__set_rm_size
  61 #define Set_Present_Expr                sinfo__set_present_expr
  62
  63 extern void Set_Alignment               (Entity_Id, Uint);
  64 extern void Set_Component_Bit_Offset    (Entity_Id, Uint);
  65 extern void Set_Component_Size          (Entity_Id, Uint);
  66 extern void Set_Esize                   (Entity_Id, Uint);
  67 extern void Set_Mechanism               (Entity_Id, Mechanism_Type);
  68 extern void Set_RM_Size                 (Entity_Id, Uint);
  69 extern void Set_Present_Expr            (Node_Id, Uint);
  70
  71 /* Test if the node N is the name of an entity (i.e. is an identifier,
  72    expanded name, or an attribute reference that returns an entity).  */
  73 #define Is_Entity_Name einfo__is_entity_name
  74 extern Boolean Is_Entity_Name           (Node_Id);
  75
  76 #define Get_Attribute_Definition_Clause einfo__get_attribute_definition_clause
  77 extern Node_Id Get_Attribute_Definition_Clause (Entity_Id, char);
  78
  79 /* errout: */
  80
  81 #define Error_Msg_N               errout__error_msg_n
  82 #define Error_Msg_NE              errout__error_msg_ne
  83 #define Set_Identifier_Casing     errout__set_identifier_casing
  84
  85 extern void Error_Msg_N           (Fat_Pointer, Node_Id);
  86 extern void Error_Msg_NE          (Fat_Pointer, Node_Id, Entity_Id);
  87 extern void Set_Identifier_Casing (Char *, const Char *);
  88
  89 /* err_vars: */
  90
  91 #define Error_Msg_Node_2     err_vars__error_msg_node_2
  92 #define Error_Msg_Uint_1     err_vars__error_msg_uint_1
  93 #define Error_Msg_Uint_2     err_vars__error_msg_uint_2
  94
  95 extern Entity_Id             Error_Msg_Node_2;
  96 extern Uint                  Error_Msg_Uint_1;
  97 extern Uint                  Error_Msg_Uint_2;
  98
  99 /* exp_ch11:  */
 100
 101 #define Get_Local_Raise_Call_Entity exp_ch11__get_local_raise_call_entity
 102 #define Get_RT_Exception_Entity exp_ch11__get_rt_exception_entity
 103
 104 extern Entity_Id Get_Local_Raise_Call_Entity (void);
 105 extern Entity_Id Get_RT_Exception_Entity (int);
 106
 107 /* exp_code:  */
 108
 109 #define Asm_Input_Constraint exp_code__asm_input_constraint
 110 #define Asm_Input_Value exp_code__asm_input_value
 111 #define Asm_Output_Constraint exp_code__asm_output_constraint
 112 #define Asm_Output_Variable exp_code__asm_output_variable
 113 #define Asm_Template exp_code__asm_template
 114 #define Clobber_Get_Next exp_code__clobber_get_next
 115 #define Clobber_Setup exp_code__clobber_setup
 116 #define Is_Asm_Volatile exp_code__is_asm_volatile
 117 #define Next_Asm_Input exp_code__next_asm_input
 118 #define Next_Asm_Output exp_code__next_asm_output
 119 #define Setup_Asm_Inputs exp_code__setup_asm_inputs
 120 #define Setup_Asm_Outputs exp_code__setup_asm_outputs
 121
 122 extern Node_Id Asm_Input_Constraint     (void);
 123 extern Node_Id Asm_Input_Value          (void);
 124 extern Node_Id Asm_Output_Constraint    (void);
 125 extern Node_Id Asm_Output_Variable      (void);
 126 extern Node_Id Asm_Template             (Node_Id);
 127 extern char *Clobber_Get_Next           (void);
 128 extern void Clobber_Setup               (Node_Id);
 129 extern Boolean Is_Asm_Volatile          (Node_Id);
 130 extern void Next_Asm_Input              (void);
 131 extern void Next_Asm_Output             (void);
 132 extern void Setup_Asm_Inputs            (Node_Id);
 133 extern void Setup_Asm_Outputs           (Node_Id);
 134
 135 /* exp_dbug:  */
 136
 137 #define Get_Encoded_Name exp_dbug__get_encoded_name
 138 #define Get_External_Name exp_dbug__get_external_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                   (Entity_Id, Boolean);
 143 extern void Get_External_Name_With_Suffix       (Entity_Id, Fat_Pointer);
 144
 145 /* exp_util: */
 146
 147 #define Is_Fully_Repped_Tagged_Type exp_util__is_fully_repped_tagged_type
 148
 149 extern Boolean Is_Fully_Repped_Tagged_Type      (Entity_Id);
 150
 151 /* lib: */
 152
 153 #define Cunit                           lib__cunit
 154 #define Ident_String                    lib__ident_string
 155 #define In_Extended_Main_Code_Unit      lib__in_extended_main_code_unit
 156 #define In_Same_Source_Unit             lib__in_same_source_unit
 157
 158 extern Node_Id Cunit                            (Unit_Number_Type);
 159 extern Node_Id Ident_String                     (Unit_Number_Type);
 160 extern Boolean In_Extended_Main_Code_Unit       (Entity_Id);
 161 extern Boolean In_Same_Source_Unit              (Node_Id, Node_Id);
 162
 163 /* opt: */
 164
 165 #define Global_Discard_Names           opt__global_discard_names
 166 #define Exception_Locations_Suppressed opt__exception_locations_suppressed
 167 #define Exception_Mechanism            opt__exception_mechanism
 168 #define Back_Annotate_Rep_Info         opt__back_annotate_rep_info
 169
 170 typedef enum {Setjmp_Longjmp, Back_End_Exceptions} Exception_Mechanism_Type;
 171
 172 extern Boolean Global_Discard_Names;
 173 extern Boolean Exception_Locations_Suppressed;
 174 extern Exception_Mechanism_Type Exception_Mechanism;
 175 extern Boolean Back_Annotate_Rep_Info;
 176
 177 /* restrict: */
 178
 179 #define No_Exception_Handlers_Set      restrict__no_exception_handlers_set
 180 #define Check_No_Implicit_Heap_Alloc   restrict__check_no_implicit_heap_alloc
 181 #define Check_Elaboration_Code_Allowed restrict__check_elaboration_code_allowed
 182 #define Check_Implicit_Dynamic_Code_Allowed restrict__check_implicit_dynamic_code_allowed
 183
 184 extern Boolean No_Exception_Handlers_Set   (void);
 185 extern void Check_No_Implicit_Heap_Alloc   (Node_Id);
 186 extern void Check_Elaboration_Code_Allowed (Node_Id);
 187 extern void Check_Implicit_Dynamic_Code_Allowed (Node_Id);
 188
 189 /* sem_aux:  */
 190
 191 #define Ancestor_Subtype               sem_aux__ancestor_subtype
 192 #define First_Discriminant             sem_aux__first_discriminant
 193 #define First_Stored_Discriminant      sem_aux__first_stored_discriminant
 194 #define First_Subtype                  sem_aux__first_subtype
 195 #define Is_By_Reference_Type           sem_aux__is_by_reference_type
 196 #define Is_Derived_Type                sem_aux__is_derived_type
 197
 198 extern Entity_Id  Ancestor_Subtype             (Entity_Id);
 199 extern Entity_Id  First_Discriminant           (Entity_Id);
 200 extern Entity_Id  First_Stored_Discriminant    (Entity_Id);
 201 extern Entity_Id  First_Subtype                (Entity_Id);
 202 extern Boolean    Is_By_Reference_Type         (Entity_Id);
 203 extern Boolean    Is_Derived_Type              (Entity_Id);
 204
 205 /* sem_elim: */
 206
 207 #define Eliminate_Error_Msg    sem_elim__eliminate_error_msg
 208
 209 extern void Eliminate_Error_Msg (Node_Id, Entity_Id);
 210
 211 /* sem_eval: */
 212
 213 #define Compile_Time_Known_Value        sem_eval__compile_time_known_value
 214 #define Expr_Value                      sem_eval__expr_value
 215 #define Expr_Value_S                    sem_eval__expr_value_s
 216 #define Is_OK_Static_Expression         sem_eval__is_ok_static_expression
 217 #define Is_OK_Static_Subtype            sem_eval__is_ok_static_subtype
 218
 219 extern Uint Expr_Value                  (Node_Id);
 220 extern Node_Id Expr_Value_S             (Node_Id);
 221 extern Boolean Compile_Time_Known_Value (Node_Id);
 222 extern Boolean Is_OK_Static_Expression  (Node_Id);
 223 extern Boolean Is_OK_Static_Subtype     (Entity_Id);
 224
 225 /* sem_util: */
 226
 227 #define Defining_Entity                 sem_util__defining_entity
 228 #define First_Actual                    sem_util__first_actual
 229 #define Next_Actual                     sem_util__next_actual
 230 #define Requires_Transient_Scope        sem_util__requires_transient_scope
 231
 232 extern Entity_Id Defining_Entity        (Node_Id);
 233 extern Node_Id First_Actual             (Node_Id);
 234 extern Node_Id Next_Actual              (Node_Id);
 235 extern Boolean Requires_Transient_Scope (Entity_Id);
 236
 237 /* sinfo: These functions aren't in sinfo.h since we don't make the
 238    setting functions, just the retrieval functions.  */
 239
 240 #define Set_Has_No_Elaboration_Code sinfo__set_has_no_elaboration_code
 241 extern void Set_Has_No_Elaboration_Code (Node_Id, Boolean);
 242
 243 /* targparm: */
 244
 245 #define Backend_Overflow_Checks_On_Target targparm__backend_overflow_checks_on_target
 246 #define Stack_Check_Probes_On_Target targparm__stack_check_probes_on_target
 247 #define Stack_Check_Limits_On_Target targparm__stack_check_limits_on_target
 248
 249 extern Boolean Backend_Overflow_Checks_On_Target;
 250 extern Boolean Stack_Check_Probes_On_Target;
 251 extern Boolean Stack_Check_Limits_On_Target;