1 /****************************************************************************
2  *                                                                          *
3  *                         GNAT COMPILER COMPONENTS                         *
4  *                                                                          *
5  *                                    FE                                    *
6  *                                                                          *
7  *                              C Header File                               *
8  *                                                                          *
9  *          Copyright (C) 1992-2015, 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_NN debug__debug_flag_nn
60 extern Boolean Debug_Flag_NN;
61 
62 /* einfo: */
63 
64 #define Set_Alignment			einfo__set_alignment
65 #define Set_Component_Bit_Offset	einfo__set_component_bit_offset
66 #define Set_Component_Size		einfo__set_component_size
67 #define Set_Esize			einfo__set_esize
68 #define Set_Mechanism			einfo__set_mechanism
69 #define Set_RM_Size			einfo__set_rm_size
70 
71 extern void Set_Alignment		(Entity_Id, Uint);
72 extern void Set_Component_Bit_Offset	(Entity_Id, Uint);
73 extern void Set_Component_Size		(Entity_Id, Uint);
74 extern void Set_Esize			(Entity_Id, Uint);
75 extern void Set_Mechanism		(Entity_Id, Mechanism_Type);
76 extern void Set_RM_Size			(Entity_Id, Uint);
77 
78 #define Is_Entity_Name einfo__is_entity_name
79 extern Boolean Is_Entity_Name		(Node_Id);
80 
81 #define Get_Attribute_Definition_Clause einfo__get_attribute_definition_clause
82 extern Node_Id Get_Attribute_Definition_Clause (Entity_Id, char);
83 
84 /* errout: */
85 
86 #define Error_Msg_N               errout__error_msg_n
87 #define Error_Msg_NE              errout__error_msg_ne
88 #define Set_Identifier_Casing     errout__set_identifier_casing
89 
90 extern void Error_Msg_N	          (String_Pointer, Node_Id);
91 extern void Error_Msg_NE          (String_Pointer, Node_Id, Entity_Id);
92 extern void Set_Identifier_Casing (Char *, const Char *);
93 
94 /* err_vars: */
95 
96 #define Error_Msg_Node_2        err_vars__error_msg_node_2
97 #define Error_Msg_Uint_1        err_vars__error_msg_uint_1
98 #define Error_Msg_Uint_2        err_vars__error_msg_uint_2
99 
100 extern Entity_Id Error_Msg_Node_2;
101 extern Uint      Error_Msg_Uint_1;
102 extern Uint      Error_Msg_Uint_2;
103 extern Nat       Serious_Errors_Detected;
104 
105 /* exp_ch11:  */
106 
107 #define Get_Local_Raise_Call_Entity exp_ch11__get_local_raise_call_entity
108 #define Get_RT_Exception_Entity exp_ch11__get_rt_exception_entity
109 #define Get_RT_Exception_Name exp_ch11__get_rt_exception_name
110 
111 extern Entity_Id Get_Local_Raise_Call_Entity (void);
112 extern Entity_Id Get_RT_Exception_Entity (int);
113 extern void Get_RT_Exception_Name (int);
114 
115 /* exp_code:  */
116 
117 #define Asm_Input_Constraint exp_code__asm_input_constraint
118 #define Asm_Input_Value exp_code__asm_input_value
119 #define Asm_Output_Constraint exp_code__asm_output_constraint
120 #define Asm_Output_Variable exp_code__asm_output_variable
121 #define Asm_Template exp_code__asm_template
122 #define Clobber_Get_Next exp_code__clobber_get_next
123 #define Clobber_Setup exp_code__clobber_setup
124 #define Is_Asm_Volatile exp_code__is_asm_volatile
125 #define Next_Asm_Input exp_code__next_asm_input
126 #define Next_Asm_Output exp_code__next_asm_output
127 #define Setup_Asm_Inputs exp_code__setup_asm_inputs
128 #define Setup_Asm_Outputs exp_code__setup_asm_outputs
129 
130 extern Node_Id Asm_Input_Constraint	(void);
131 extern Node_Id Asm_Input_Value		(void);
132 extern Node_Id Asm_Output_Constraint	(void);
133 extern Node_Id Asm_Output_Variable	(void);
134 extern Node_Id Asm_Template		(Node_Id);
135 extern char *Clobber_Get_Next		(void);
136 extern void Clobber_Setup		(Node_Id);
137 extern Boolean Is_Asm_Volatile		(Node_Id);
138 extern void Next_Asm_Input		(void);
139 extern void Next_Asm_Output		(void);
140 extern void Setup_Asm_Inputs		(Node_Id);
141 extern void Setup_Asm_Outputs		(Node_Id);
142 
143 /* exp_dbug:  */
144 
145 #define Get_Encoded_Name exp_dbug__get_encoded_name
146 #define Get_External_Name exp_dbug__get_external_name
147 
148 extern void Get_Encoded_Name	(Entity_Id);
149 extern void Get_External_Name	(Entity_Id, Boolean, String_Pointer);
150 
151 /* exp_util: */
152 
153 #define Is_Fully_Repped_Tagged_Type exp_util__is_fully_repped_tagged_type
154 
155 extern Boolean Is_Fully_Repped_Tagged_Type      (Entity_Id);
156 
157 /* lib: */
158 
159 #define Cunit 				lib__cunit
160 #define Ident_String			lib__ident_string
161 #define In_Extended_Main_Code_Unit	lib__in_extended_main_code_unit
162 #define In_Same_Source_Unit             lib__in_same_source_unit
163 
164 extern Node_Id Cunit				(Unit_Number_Type);
165 extern Node_Id Ident_String			(Unit_Number_Type);
166 extern Boolean In_Extended_Main_Code_Unit	(Entity_Id);
167 extern Boolean In_Same_Source_Unit              (Node_Id, Node_Id);
168 
169 /* opt: */
170 
171 #define Back_End_Inlining              opt__back_end_inlining
172 #define Exception_Extra_Info           opt__exception_extra_info
173 #define Exception_Locations_Suppressed opt__exception_locations_suppressed
174 #define Exception_Mechanism            opt__exception_mechanism
175 #define Float_Format                   opt__float_format
176 #define Generate_SCO_Instance_Table    opt__generate_sco_instance_table
177 #define GNAT_Mode                      opt__gnat_mode
178 #define List_Representation_Info       opt__list_representation_info
179 #define No_Strict_Aliasing_CP          opt__no_strict_aliasing
180 
181 typedef enum {
182   Front_End_SJLJ, Back_End_ZCX, Back_End_SJLJ
183 } Exception_Mechanism_Type;
184 
185 extern Boolean Back_End_Inlining;
186 extern Boolean Exception_Extra_Info;
187 extern Boolean Exception_Locations_Suppressed;
188 extern Exception_Mechanism_Type Exception_Mechanism;
189 extern Char Float_Format;
190 extern Boolean Generate_SCO_Instance_Table;
191 extern Boolean GNAT_Mode;
192 extern Int List_Representation_Info;
193 extern Boolean No_Strict_Aliasing_CP;
194 
195 #define ZCX_Exceptions            opt__zcx_exceptions
196 #define SJLJ_Exceptions           opt__sjlj_exceptions
197 #define Front_End_Exceptions      opt__front_end_exceptions
198 #define Back_End_Exceptions       opt__back_end_exceptions
199 
200 extern Boolean ZCX_Exceptions       (void);
201 extern Boolean SJLJ_Exceptions      (void);
202 extern Boolean Front_End_Exceptions (void);
203 extern Boolean Back_End_Exceptions  (void);
204 
205 /* restrict: */
206 
207 #define No_Exception_Handlers_Set      restrict__no_exception_handlers_set
208 #define Check_No_Implicit_Heap_Alloc   restrict__check_no_implicit_heap_alloc
209 #define Check_No_Implicit_Task_Alloc   restrict__check_no_implicit_task_alloc
210 #define Check_No_Implicit_Protected_Alloc restrict__check_no_implicit_protected_alloc
211 #define Check_Elaboration_Code_Allowed restrict__check_elaboration_code_allowed
212 #define Check_Implicit_Dynamic_Code_Allowed restrict__check_implicit_dynamic_code_allowed
213 
214 extern Boolean No_Exception_Handlers_Set   (void);
215 extern void Check_No_Implicit_Heap_Alloc   (Node_Id);
216 extern void Check_No_Implicit_Task_Alloc   (Node_Id);
217 extern void Check_No_Implicit_Protected_Alloc (Node_Id);
218 extern void Check_Elaboration_Code_Allowed (Node_Id);
219 extern void Check_Implicit_Dynamic_Code_Allowed (Node_Id);
220 
221 /* sem_aggr:  */
222 #define Is_Others_Aggregate    sem_aggr__is_others_aggregate
223 
224 extern Boolean Is_Others_Aggregate (Node_Id);
225 
226 /* sem_aux:  */
227 
228 #define Ancestor_Subtype               sem_aux__ancestor_subtype
229 #define First_Discriminant             sem_aux__first_discriminant
230 #define First_Stored_Discriminant      sem_aux__first_stored_discriminant
231 #define First_Subtype                  sem_aux__first_subtype
232 #define Is_By_Reference_Type           sem_aux__is_by_reference_type
233 #define Is_Derived_Type                sem_aux__is_derived_type
234 
235 extern Entity_Id  Ancestor_Subtype             (Entity_Id);
236 extern Entity_Id  First_Discriminant           (Entity_Id);
237 extern Entity_Id  First_Stored_Discriminant    (Entity_Id);
238 extern Entity_Id  First_Subtype                (Entity_Id);
239 extern Boolean    Is_By_Reference_Type         (Entity_Id);
240 extern Boolean    Is_Derived_Type              (Entity_Id);
241 
242 /* sem_elim: */
243 
244 #define Eliminate_Error_Msg    sem_elim__eliminate_error_msg
245 
246 extern void Eliminate_Error_Msg (Node_Id, Entity_Id);
247 
248 /* sem_eval: */
249 
250 #define Compile_Time_Known_Value	sem_eval__compile_time_known_value
251 #define Expr_Value			sem_eval__expr_value
252 #define Expr_Value_S			sem_eval__expr_value_s
253 #define Is_OK_Static_Expression		sem_eval__is_ok_static_expression
254 #define Is_OK_Static_Subtype		sem_eval__is_ok_static_subtype
255 
256 extern Uint Expr_Value			(Node_Id);
257 extern Node_Id Expr_Value_S		(Node_Id);
258 extern Boolean Compile_Time_Known_Value (Node_Id);
259 extern Boolean Is_OK_Static_Expression  (Node_Id);
260 extern Boolean Is_OK_Static_Subtype	(Entity_Id);
261 
262 /* sem_util: */
263 
264 #define Defining_Entity			sem_util__defining_entity
265 #define First_Actual			sem_util__first_actual
266 #define Next_Actual			sem_util__next_actual
267 #define Requires_Transient_Scope	sem_util__requires_transient_scope
268 
269 extern Entity_Id Defining_Entity	(Node_Id);
270 extern Node_Id First_Actual		(Node_Id);
271 extern Node_Id Next_Actual		(Node_Id);
272 extern Boolean Requires_Transient_Scope (Entity_Id);
273 
274 /* sinfo: */
275 
276 #define End_Location			sinfo__end_location
277 #define Set_Has_No_Elaboration_Code 	sinfo__set_has_no_elaboration_code
278 #define Set_Present_Expr		sinfo__set_present_expr
279 
280 extern Source_Ptr End_Location 		(Node_Id);
281 extern void Set_Has_No_Elaboration_Code	(Node_Id, Boolean);
282 extern void Set_Present_Expr		(Node_Id, Uint);
283 
284 /* targparm: */
285 
286 #define Backend_Overflow_Checks_On_Target targparm__backend_overflow_checks_on_target
287 #define Machine_Overflows_On_Target targparm__machine_overflows_on_target
288 #define Signed_Zeros_On_Target targparm__signed_zeros_on_target
289 #define Stack_Check_Probes_On_Target targparm__stack_check_probes_on_target
290 #define Stack_Check_Limits_On_Target targparm__stack_check_limits_on_target
291 
292 extern Boolean Backend_Overflow_Checks_On_Target;
293 extern Boolean Machine_Overflows_On_Target;
294 extern Boolean Signed_Zeros_On_Target;
295 extern Boolean Stack_Check_Probes_On_Target;
296 extern Boolean Stack_Check_Limits_On_Target;
297 
298 #ifdef __cplusplus
299 }
300 #endif
301