expr_to_chunk_helper: set *sym when there is only one symbol
[smatch.git] / lib.h
blob08383429e87a07ffbd5d106a894ba05f11ff25a8
1 #ifndef LIB_H
2 #define LIB_H
4 #include <stdlib.h>
5 #include <stddef.h>
7 /*
8 * Basic helper routine descriptions for 'sparse'.
10 * Copyright (C) 2003 Transmeta Corp.
11 * 2003 Linus Torvalds
12 * 2004 Christopher Li
14 * Permission is hereby granted, free of charge, to any person obtaining a copy
15 * of this software and associated documentation files (the "Software"), to deal
16 * in the Software without restriction, including without limitation the rights
17 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
18 * copies of the Software, and to permit persons to whom the Software is
19 * furnished to do so, subject to the following conditions:
21 * The above copyright notice and this permission notice shall be included in
22 * all copies or substantial portions of the Software.
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
25 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
26 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
27 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
28 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
29 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
30 * THE SOFTWARE.
33 #include "compat.h"
34 #include "ptrlist.h"
36 #define DO_STRINGIFY(x) #x
37 #define STRINGIFY(x) DO_STRINGIFY(x)
39 #ifndef ARRAY_SIZE
40 #define ARRAY_SIZE(x) (sizeof(x)/sizeof((x)[0]))
41 #endif
43 extern int verbose, optimize, optimize_size, preprocessing;
44 extern int die_if_error;
45 extern int parse_error;
46 extern int repeat_phase, merge_phi_sources;
47 extern int gcc_major, gcc_minor, gcc_patchlevel;
49 extern unsigned int hexval(unsigned int c);
51 struct position {
52 unsigned int type:6,
53 stream:14,
54 newline:1,
55 whitespace:1,
56 pos:10;
57 unsigned int line:31,
58 noexpand:1;
61 struct ident;
62 struct token;
63 struct symbol;
64 struct statement;
65 struct expression;
66 struct basic_block;
67 struct entrypoint;
68 struct instruction;
69 struct multijmp;
70 struct pseudo;
72 DECLARE_PTR_LIST(symbol_list, struct symbol);
73 DECLARE_PTR_LIST(statement_list, struct statement);
74 DECLARE_PTR_LIST(expression_list, struct expression);
75 DECLARE_PTR_LIST(basic_block_list, struct basic_block);
76 DECLARE_PTR_LIST(instruction_list, struct instruction);
77 DECLARE_PTR_LIST(context_list, struct context);
78 DECLARE_PTR_LIST(multijmp_list, struct multijmp);
79 DECLARE_PTR_LIST(pseudo_list, struct pseudo);
80 DECLARE_PTR_LIST(string_list, char);
82 typedef struct pseudo *pseudo_t;
84 struct token *skip_to(struct token *, int);
85 struct token *expect(struct token *, int, const char *);
86 #ifdef __GNUC__
87 #define FORMAT_ATTR(pos) __attribute__ ((__format__ (__printf__, pos, pos+1)))
88 #define NORETURN_ATTR __attribute__ ((__noreturn__))
89 #define SENTINEL_ATTR __attribute__ ((__sentinel__))
90 #else
91 #define FORMAT_ATTR(pos)
92 #define NORETURN_ATTR
93 #define SENTINEL_ATTR
94 #endif
95 extern void die(const char *, ...) FORMAT_ATTR(1) NORETURN_ATTR;
96 extern void info(struct position, const char *, ...) FORMAT_ATTR(2);
97 extern void warning(struct position, const char *, ...) FORMAT_ATTR(2);
98 extern void sparse_error(struct position, const char *, ...) FORMAT_ATTR(2);
99 extern void error_die(struct position, const char *, ...) FORMAT_ATTR(2) NORETURN_ATTR;
100 extern void expression_error(struct expression *, const char *, ...) FORMAT_ATTR(2);
102 extern void add_pre_buffer(const char *fmt, ...) FORMAT_ATTR(1);
104 extern int preprocess_only;
106 extern int Waddress_space;
107 extern int Wbitwise;
108 extern int Wcast_to_as;
109 extern int Wcast_truncate;
110 extern int Wcontext;
111 extern int Wdecl;
112 extern int Wdeclarationafterstatement;
113 extern int Wdefault_bitfield_sign;
114 extern int Wdesignated_init;
115 extern int Wdo_while;
116 extern int Wenum_mismatch;
117 extern int Werror;
118 extern int Winit_cstring;
119 extern int Wnon_pointer_null;
120 extern int Wold_initializer;
121 extern int Wone_bit_signed_bitfield;
122 extern int Wparen_string;
123 extern int Wptr_subtraction_blows;
124 extern int Wreturn_void;
125 extern int Wshadow;
126 extern int Wsizeof_bool;
127 extern int Wtransparent_union;
128 extern int Wtypesign;
129 extern int Wundef;
130 extern int Wuninitialized;
131 extern int Wunknown_attribute;
132 extern int Wvla;
134 extern int dbg_entry;
135 extern int dbg_dead;
137 extern int arch_m64;
139 extern void declare_builtin_functions(void);
140 extern void create_builtin_stream(void);
141 extern struct symbol_list *sparse_initialize(int argc, char **argv, struct string_list **files);
142 extern struct symbol_list *__sparse(char *filename);
143 extern struct symbol_list *sparse_keep_tokens(char *filename);
144 extern struct symbol_list *sparse(char *filename);
146 static inline int symbol_list_size(struct symbol_list *list)
148 return ptr_list_size((struct ptr_list *)(list));
151 static inline int statement_list_size(struct statement_list *list)
153 return ptr_list_size((struct ptr_list *)(list));
156 static inline int context_list_size(struct context_list *list)
158 return ptr_list_size((struct ptr_list *)(list));
161 static inline int expression_list_size(struct expression_list *list)
163 return ptr_list_size((struct ptr_list *)(list));
166 static inline int instruction_list_size(struct instruction_list *list)
168 return ptr_list_size((struct ptr_list *)(list));
171 static inline int pseudo_list_size(struct pseudo_list *list)
173 return ptr_list_size((struct ptr_list *)(list));
176 static inline int bb_list_size(struct basic_block_list *list)
178 return ptr_list_size((struct ptr_list *)(list));
181 static inline void free_instruction_list(struct instruction_list **head)
183 free_ptr_list((struct ptr_list **)head);
186 static inline struct instruction * delete_last_instruction(struct instruction_list **head)
188 return undo_ptr_list_last((struct ptr_list **)head);
191 static inline struct basic_block * delete_last_basic_block(struct basic_block_list **head)
193 return delete_ptr_list_last((struct ptr_list **)head);
196 static inline struct basic_block *first_basic_block(struct basic_block_list *head)
198 return first_ptr_list((struct ptr_list *)head);
200 static inline struct instruction *last_instruction(struct instruction_list *head)
202 return last_ptr_list((struct ptr_list *)head);
205 static inline struct instruction *first_instruction(struct instruction_list *head)
207 return first_ptr_list((struct ptr_list *)head);
210 static inline pseudo_t first_pseudo(struct pseudo_list *head)
212 return first_ptr_list((struct ptr_list *)head);
215 static inline void concat_symbol_list(struct symbol_list *from, struct symbol_list **to)
217 concat_ptr_list((struct ptr_list *)from, (struct ptr_list **)to);
220 static inline void concat_basic_block_list(struct basic_block_list *from, struct basic_block_list **to)
222 concat_ptr_list((struct ptr_list *)from, (struct ptr_list **)to);
225 static inline void concat_instruction_list(struct instruction_list *from, struct instruction_list **to)
227 concat_ptr_list((struct ptr_list *)from, (struct ptr_list **)to);
230 static inline void add_symbol(struct symbol_list **list, struct symbol *sym)
232 add_ptr_list(list, sym);
235 static inline void add_statement(struct statement_list **list, struct statement *stmt)
237 add_ptr_list(list, stmt);
240 static inline void add_expression(struct expression_list **list, struct expression *expr)
242 add_ptr_list(list, expr);
245 #define hashval(x) ((unsigned long)(x))
247 #endif