1 /****************************************************************************
2  *                                                                          *
3  *                         GNAT COMPILER COMPONENTS                         *
4  *                                                                          *
5  *                                    FE                                    *
6  *                                                                          *
7  *                              C Header File                               *
8  *                                                                          *
9  *          Copyright (C) 1992-2013, 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, and
60    Present_Expr for N_Variant nodes.  */
61 
62 #define Set_Alignment			einfo__set_alignment
63 #define Set_Component_Bit_Offset	einfo__set_component_bit_offset
64 #define Set_Component_Size		einfo__set_component_size
65 #define Set_Esize			einfo__set_esize
66 #define Set_Mechanism			einfo__set_mechanism
67 #define Set_RM_Size			einfo__set_rm_size
68 #define Set_Present_Expr		sinfo__set_present_expr
69 
70 extern void Set_Alignment		(Entity_Id, Uint);
71 extern void Set_Component_Bit_Offset	(Entity_Id, Uint);
72 extern void Set_Component_Size		(Entity_Id, Uint);
73 extern void Set_Esize			(Entity_Id, Uint);
74 extern void Set_Mechanism		(Entity_Id, Mechanism_Type);
75 extern void Set_RM_Size			(Entity_Id, Uint);
76 extern void Set_Present_Expr		(Node_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 /* atree: */
85 
86 #define Serious_Errors_Detected atree__serious_errors_detected
87 
88 /* errout: */
89 
90 #define Error_Msg_N               errout__error_msg_n
91 #define Error_Msg_NE              errout__error_msg_ne
92 #define Set_Identifier_Casing     errout__set_identifier_casing
93 
94 extern void Error_Msg_N	          (String_Pointer, Node_Id);
95 extern void Error_Msg_NE          (String_Pointer, Node_Id, Entity_Id);
96 extern void Set_Identifier_Casing (Char *, const Char *);
97 
98 /* err_vars: */
99 
100 #define Error_Msg_Node_2        err_vars__error_msg_node_2
101 #define Error_Msg_Uint_1        err_vars__error_msg_uint_1
102 #define Error_Msg_Uint_2        err_vars__error_msg_uint_2
103 
104 extern Entity_Id Error_Msg_Node_2;
105 extern Uint      Error_Msg_Uint_1;
106 extern Uint      Error_Msg_Uint_2;
107 extern Nat       Serious_Errors_Detected;
108 
109 /* exp_ch11:  */
110 
111 #define Get_Local_Raise_Call_Entity exp_ch11__get_local_raise_call_entity
112 #define Get_RT_Exception_Entity exp_ch11__get_rt_exception_entity
113 #define Get_RT_Exception_Name exp_ch11__get_rt_exception_name
114 
115 extern Entity_Id Get_Local_Raise_Call_Entity (void);
116 extern Entity_Id Get_RT_Exception_Entity (int);
117 extern void Get_RT_Exception_Name (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 /* exp_vfpt: */
162 
163 #define Get_Vax_Real_Literal_As_Signed exp_vfpt__get_vax_real_literal_as_signed
164 extern Ureal Get_Vax_Real_Literal_As_Signed (Node_Id);
165 
166 /* lib: */
167 
168 #define Cunit 				lib__cunit
169 #define Ident_String			lib__ident_string
170 #define In_Extended_Main_Code_Unit	lib__in_extended_main_code_unit
171 #define In_Same_Source_Unit             lib__in_same_source_unit
172 
173 extern Node_Id Cunit				(Unit_Number_Type);
174 extern Node_Id Ident_String			(Unit_Number_Type);
175 extern Boolean In_Extended_Main_Code_Unit	(Entity_Id);
176 extern Boolean In_Same_Source_Unit              (Node_Id, Node_Id);
177 
178 /* opt: */
179 
180 #define Back_Annotate_Rep_Info         opt__back_annotate_rep_info
181 #define Exception_Extra_Info           opt__exception_extra_info
182 #define Exception_Locations_Suppressed opt__exception_locations_suppressed
183 #define Exception_Mechanism            opt__exception_mechanism
184 #define Generate_SCO_Instance_Table    opt__generate_sco_instance_table
185 #define Global_Discard_Names           opt__global_discard_names
186 #define Float_Format                   opt__float_format
187 
188 typedef enum {Setjmp_Longjmp, Back_End_Exceptions} Exception_Mechanism_Type;
189 
190 extern Boolean Back_Annotate_Rep_Info;
191 extern Boolean Exception_Extra_Info;
192 extern Boolean Exception_Locations_Suppressed;
193 extern Exception_Mechanism_Type Exception_Mechanism;
194 extern Boolean Generate_SCO_Instance_Table;
195 extern Boolean Global_Discard_Names;
196 extern Char Float_Format;
197 
198 /* restrict: */
199 
200 #define No_Exception_Handlers_Set      restrict__no_exception_handlers_set
201 #define Check_No_Implicit_Heap_Alloc   restrict__check_no_implicit_heap_alloc
202 #define Check_Elaboration_Code_Allowed restrict__check_elaboration_code_allowed
203 #define Check_Implicit_Dynamic_Code_Allowed restrict__check_implicit_dynamic_code_allowed
204 
205 extern Boolean No_Exception_Handlers_Set   (void);
206 extern void Check_No_Implicit_Heap_Alloc   (Node_Id);
207 extern void Check_Elaboration_Code_Allowed (Node_Id);
208 extern void Check_Implicit_Dynamic_Code_Allowed (Node_Id);
209 
210 /* sem_aux:  */
211 
212 #define Ancestor_Subtype               sem_aux__ancestor_subtype
213 #define First_Discriminant             sem_aux__first_discriminant
214 #define First_Stored_Discriminant      sem_aux__first_stored_discriminant
215 #define First_Subtype                  sem_aux__first_subtype
216 #define Is_By_Reference_Type           sem_aux__is_by_reference_type
217 #define Is_Derived_Type                sem_aux__is_derived_type
218 
219 extern Entity_Id  Ancestor_Subtype             (Entity_Id);
220 extern Entity_Id  First_Discriminant           (Entity_Id);
221 extern Entity_Id  First_Stored_Discriminant    (Entity_Id);
222 extern Entity_Id  First_Subtype                (Entity_Id);
223 extern Boolean    Is_By_Reference_Type         (Entity_Id);
224 extern Boolean    Is_Derived_Type              (Entity_Id);
225 
226 /* sem_elim: */
227 
228 #define Eliminate_Error_Msg    sem_elim__eliminate_error_msg
229 
230 extern void Eliminate_Error_Msg (Node_Id, Entity_Id);
231 
232 /* sem_eval: */
233 
234 #define Compile_Time_Known_Value	sem_eval__compile_time_known_value
235 #define Expr_Value			sem_eval__expr_value
236 #define Expr_Value_S			sem_eval__expr_value_s
237 #define Is_OK_Static_Expression		sem_eval__is_ok_static_expression
238 #define Is_OK_Static_Subtype		sem_eval__is_ok_static_subtype
239 
240 extern Uint Expr_Value			(Node_Id);
241 extern Node_Id Expr_Value_S		(Node_Id);
242 extern Boolean Compile_Time_Known_Value (Node_Id);
243 extern Boolean Is_OK_Static_Expression  (Node_Id);
244 extern Boolean Is_OK_Static_Subtype	(Entity_Id);
245 
246 /* sem_util: */
247 
248 #define Defining_Entity			sem_util__defining_entity
249 #define First_Actual			sem_util__first_actual
250 #define Next_Actual			sem_util__next_actual
251 #define Requires_Transient_Scope	sem_util__requires_transient_scope
252 
253 extern Entity_Id Defining_Entity	(Node_Id);
254 extern Node_Id First_Actual		(Node_Id);
255 extern Node_Id Next_Actual		(Node_Id);
256 extern Boolean Requires_Transient_Scope (Entity_Id);
257 
258 /* sinfo: These functions aren't in sinfo.h since we don't make the
259    setting functions, just the retrieval functions.  */
260 
261 #define Set_Has_No_Elaboration_Code sinfo__set_has_no_elaboration_code
262 extern void Set_Has_No_Elaboration_Code	(Node_Id, Boolean);
263 
264 /* targparm: */
265 
266 #define Backend_Overflow_Checks_On_Target targparm__backend_overflow_checks_on_target
267 #define Machine_Overflows_On_Target targparm__machine_overflows_on_target
268 #define Signed_Zeros_On_Target targparm__signed_zeros_on_target
269 #define Stack_Check_Probes_On_Target targparm__stack_check_probes_on_target
270 #define Stack_Check_Limits_On_Target targparm__stack_check_limits_on_target
271 
272 extern Boolean Backend_Overflow_Checks_On_Target;
273 extern Boolean Machine_Overflows_On_Target;
274 extern Boolean Signed_Zeros_On_Target;
275 extern Boolean Stack_Check_Probes_On_Target;
276 extern Boolean Stack_Check_Limits_On_Target;
277 
278 #ifdef __cplusplus
279 }
280 #endif
281