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 #define Suppress_Checks                opt__suppress_checks
185 
186 typedef enum {
187   Front_End_SJLJ, Back_End_ZCX, Back_End_SJLJ
188 } Exception_Mechanism_Type;
189 
190 extern Boolean Back_End_Inlining;
191 extern Boolean Exception_Extra_Info;
192 extern Boolean Exception_Locations_Suppressed;
193 extern Exception_Mechanism_Type Exception_Mechanism;
194 extern Char Float_Format;
195 extern Boolean Generate_SCO_Instance_Table;
196 extern Boolean GNAT_Mode;
197 extern Int List_Representation_Info;
198 extern Boolean No_Strict_Aliasing_CP;
199 extern Boolean Suppress_Checks;
200 
201 #define ZCX_Exceptions            opt__zcx_exceptions
202 #define SJLJ_Exceptions           opt__sjlj_exceptions
203 #define Front_End_Exceptions      opt__front_end_exceptions
204 #define Back_End_Exceptions       opt__back_end_exceptions
205 
206 extern Boolean ZCX_Exceptions       (void);
207 extern Boolean SJLJ_Exceptions      (void);
208 extern Boolean Front_End_Exceptions (void);
209 extern Boolean Back_End_Exceptions  (void);
210 
211 /* restrict: */
212 
213 #define No_Exception_Handlers_Set      restrict__no_exception_handlers_set
214 #define Check_No_Implicit_Heap_Alloc   restrict__check_no_implicit_heap_alloc
215 #define Check_No_Implicit_Task_Alloc   restrict__check_no_implicit_task_alloc
216 #define Check_No_Implicit_Protected_Alloc restrict__check_no_implicit_protected_alloc
217 #define Check_Elaboration_Code_Allowed restrict__check_elaboration_code_allowed
218 #define Check_Implicit_Dynamic_Code_Allowed restrict__check_implicit_dynamic_code_allowed
219 
220 extern Boolean No_Exception_Handlers_Set   (void);
221 extern void Check_No_Implicit_Heap_Alloc   (Node_Id);
222 extern void Check_No_Implicit_Task_Alloc   (Node_Id);
223 extern void Check_No_Implicit_Protected_Alloc (Node_Id);
224 extern void Check_Elaboration_Code_Allowed (Node_Id);
225 extern void Check_Implicit_Dynamic_Code_Allowed (Node_Id);
226 
227 /* sem_aggr:  */
228 
229 #define Is_Others_Aggregate    sem_aggr__is_others_aggregate
230 
231 extern Boolean Is_Others_Aggregate (Node_Id);
232 
233 /* sem_aux:  */
234 
235 #define Ancestor_Subtype               sem_aux__ancestor_subtype
236 #define Constant_Value                 sem_aux__constant_value
237 #define First_Discriminant             sem_aux__first_discriminant
238 #define First_Stored_Discriminant      sem_aux__first_stored_discriminant
239 #define First_Subtype                  sem_aux__first_subtype
240 #define Is_By_Reference_Type           sem_aux__is_by_reference_type
241 #define Is_Derived_Type                sem_aux__is_derived_type
242 
243 extern Entity_Id  Ancestor_Subtype             (Entity_Id);
244 extern Node_Id    Constant_Value               (Entity_Id);
245 extern Entity_Id  First_Discriminant           (Entity_Id);
246 extern Entity_Id  First_Stored_Discriminant    (Entity_Id);
247 extern Entity_Id  First_Subtype                (Entity_Id);
248 extern Boolean    Is_By_Reference_Type         (Entity_Id);
249 extern Boolean    Is_Derived_Type              (Entity_Id);
250 
251 /* sem_eval: */
252 
253 #define Compile_Time_Known_Value	sem_eval__compile_time_known_value
254 #define Expr_Value			sem_eval__expr_value
255 #define Expr_Value_S			sem_eval__expr_value_s
256 #define Is_OK_Static_Expression		sem_eval__is_ok_static_expression
257 #define Is_OK_Static_Subtype		sem_eval__is_ok_static_subtype
258 
259 extern Uint Expr_Value			(Node_Id);
260 extern Node_Id Expr_Value_S		(Node_Id);
261 extern Boolean Compile_Time_Known_Value (Node_Id);
262 extern Boolean Is_OK_Static_Expression  (Node_Id);
263 extern Boolean Is_OK_Static_Subtype	(Entity_Id);
264 
265 /* sem_util: */
266 
267 #define Defining_Entity			sem_util__defining_entity
268 #define First_Actual			sem_util__first_actual
269 #define Next_Actual			sem_util__next_actual
270 #define Requires_Transient_Scope	sem_util__requires_transient_scope
271 
272 extern Entity_Id Defining_Entity	(Node_Id);
273 extern Node_Id First_Actual		(Node_Id);
274 extern Node_Id Next_Actual		(Node_Id);
275 extern Boolean Requires_Transient_Scope (Entity_Id);
276 
277 /* sinfo: */
278 
279 #define End_Location			sinfo__end_location
280 #define Set_Has_No_Elaboration_Code 	sinfo__set_has_no_elaboration_code
281 #define Set_Present_Expr		sinfo__set_present_expr
282 
283 extern Source_Ptr End_Location 		(Node_Id);
284 extern void Set_Has_No_Elaboration_Code	(Node_Id, Boolean);
285 extern void Set_Present_Expr		(Node_Id, Uint);
286 
287 /* targparm: */
288 
289 #define Backend_Overflow_Checks_On_Target targparm__backend_overflow_checks_on_target
290 #define Machine_Overflows_On_Target targparm__machine_overflows_on_target
291 #define Signed_Zeros_On_Target targparm__signed_zeros_on_target
292 #define Stack_Check_Probes_On_Target targparm__stack_check_probes_on_target
293 #define Stack_Check_Limits_On_Target targparm__stack_check_limits_on_target
294 
295 extern Boolean Backend_Overflow_Checks_On_Target;
296 extern Boolean Machine_Overflows_On_Target;
297 extern Boolean Signed_Zeros_On_Target;
298 extern Boolean Stack_Check_Probes_On_Target;
299 extern Boolean Stack_Check_Limits_On_Target;
300 
301 /* warnsw: */
302 
303 #define Warn_On_Questionable_Layout warnsw__warn_on_questionable_layout
304 
305 extern Boolean Warn_On_Questionable_Layout;
306 
307 #ifdef __cplusplus
308 }
309 #endif
310