File: | build/gcc/gengtype-state.c |
Warning: | line 373, column 16 Although the value stored to 'curoff' is used in the enclosing expression, the value is never actually read from 'curoff' |
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1 | /* Gengtype persistent state serialization & de-serialization. |
2 | Useful for gengtype in plugin mode. |
3 | |
4 | Copyright (C) 2010-2021 Free Software Foundation, Inc. |
5 | |
6 | This file is part of GCC. |
7 | |
8 | GCC is free software; you can redistribute it and/or modify it under |
9 | the terms of the GNU General Public License as published by the Free |
10 | Software Foundation; either version 3, or (at your option) any later |
11 | version. |
12 | |
13 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
14 | WARRANTY; without even the implied warranty of MERCHANTABILITY or |
15 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
16 | for more details. |
17 | |
18 | You should have received a copy of the GNU General Public License |
19 | along with GCC; see the file COPYING3. If not see |
20 | <http://www.gnu.org/licenses/>. |
21 | |
22 | Contributed by Jeremie Salvucci <jeremie.salvucci@free.fr> |
23 | and Basile Starynkevitch <basile@starynkevitch.net> |
24 | */ |
25 | |
26 | #ifdef HOST_GENERATOR_FILE |
27 | #include "config.h" |
28 | #define GENERATOR_FILE1 1 |
29 | #else |
30 | #include "bconfig.h" |
31 | #endif |
32 | #include "system.h" |
33 | #include "errors.h" /* For fatal. */ |
34 | #include "version.h" /* For version_string & pkgversion_string. */ |
35 | #include "obstack.h" |
36 | #include "gengtype.h" |
37 | |
38 | |
39 | |
40 | /* Gives the file location of a type, if any. */ |
41 | static inline struct fileloc* |
42 | type_lineloc (const_type_p ty) |
43 | { |
44 | if (!ty) |
45 | return NULLnullptr; |
46 | switch (ty->kind) |
47 | { |
48 | case TYPE_NONE: |
49 | gcc_unreachable ()(fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" , 49, __FUNCTION__)); |
50 | case TYPE_STRUCT: |
51 | case TYPE_UNION: |
52 | case TYPE_LANG_STRUCT: |
53 | case TYPE_USER_STRUCT: |
54 | case TYPE_UNDEFINED: |
55 | return CONST_CAST (struct fileloc*, &ty->u.s.line)(const_cast<struct fileloc*> ((&ty->u.s.line))); |
56 | case TYPE_SCALAR: |
57 | case TYPE_STRING: |
58 | case TYPE_POINTER: |
59 | case TYPE_ARRAY: |
60 | return NULLnullptr; |
61 | default: |
62 | gcc_unreachable ()(fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" , 62, __FUNCTION__)); |
63 | } |
64 | } |
65 | |
66 | /* The state file has simplistic lispy lexical tokens. Its lexer gives |
67 | a linked list of struct state_token_st, through the peek_state_token |
68 | function. Lexical tokens are consumed with next_state_tokens. */ |
69 | |
70 | |
71 | /* The lexical kind of each lispy token. */ |
72 | enum state_token_en |
73 | { |
74 | STOK_NONE, /* Never used. */ |
75 | STOK_INTEGER, /* Integer token. */ |
76 | STOK_STRING, /* String token. */ |
77 | STOK_LEFTPAR, /* Left opening parenthesis. */ |
78 | STOK_RIGHTPAR, /* Right closing parenthesis. */ |
79 | STOK_NAME /* hash-consed name or identifier. */ |
80 | }; |
81 | |
82 | |
83 | /* Structure and hash-table used to share identifiers or names. */ |
84 | struct state_ident_st |
85 | { |
86 | /* TODO: We could improve the parser by reserving identifiers for |
87 | state keywords and adding a keyword number for them. That would |
88 | mean adding another field in this state_ident_st struct. */ |
89 | char stid_name[1]; /* actually bigger & null terminated */ |
90 | }; |
91 | static htab_t state_ident_tab; |
92 | |
93 | |
94 | /* The state_token_st structure is for lexical tokens in the read |
95 | state file. The stok_kind field discriminates the union. Tokens |
96 | are allocated by peek_state_token which calls read_a_state_token |
97 | which allocate them. Tokens are freed by calls to |
98 | next_state_tokens. Token are organized in a FIFO look-ahead queue |
99 | filled by peek_state_token. */ |
100 | struct state_token_st |
101 | { |
102 | enum state_token_en stok_kind; /* the lexical kind |
103 | discriminates the stok_un |
104 | union */ |
105 | int stok_line; /* the line number */ |
106 | int stok_col; /* the column number */ |
107 | const char *stok_file; /* the file path */ |
108 | struct state_token_st *stok_next; /* the next token in the |
109 | queue, when peeked */ |
110 | union /* discriminated by stok_kind! */ |
111 | { |
112 | int stok_num; /* when STOK_INTEGER */ |
113 | char stok_string[1]; /* when STOK_STRING, actual size is |
114 | bigger and null terminated */ |
115 | struct state_ident_st *stok_ident; /* when STOK_IDENT */ |
116 | void *stok_ptr; /* null otherwise */ |
117 | } |
118 | stok_un; |
119 | }; |
120 | |
121 | |
122 | |
123 | |
124 | #define NULL_STATE_TOKEN(struct state_token_st*)0 (struct state_token_st*)0 |
125 | |
126 | /* the state_token pointer contains the leftmost current token. The |
127 | tokens are organized in a linked queue, using stok_next, for token |
128 | look-ahead. */ |
129 | struct state_token_st *state_token = NULL_STATE_TOKEN(struct state_token_st*)0; |
130 | |
131 | /* Used by the reading lexer. */ |
132 | static FILE *state_file; |
133 | static const char *state_path = NULLnullptr; |
134 | static int state_line = 0; |
135 | static long state_bol = 0; /* offset of beginning of line */ |
136 | |
137 | /* A class for writing out s-expressions, keeping track of newlines and |
138 | nested indentation. */ |
139 | class s_expr_writer |
140 | { |
141 | public: |
142 | s_expr_writer (); |
143 | |
144 | void write_new_line (); |
145 | void write_any_indent (int leading_spaces); |
146 | |
147 | void begin_s_expr (const char *tag); |
148 | void end_s_expr (); |
149 | |
150 | private: |
151 | int m_indent_amount; |
152 | int m_had_recent_newline; |
153 | }; // class s_expr_writer |
154 | |
155 | /* A class for writing out "gtype.state". */ |
156 | class state_writer : public s_expr_writer |
157 | { |
158 | public: |
159 | state_writer (); |
160 | |
161 | private: |
162 | void write_state_fileloc (struct fileloc *floc); |
163 | void write_state_fields (pair_p fields); |
164 | void write_state_a_string (const char *s); |
165 | void write_state_string_option (options_p current); |
166 | void write_state_type_option (options_p current); |
167 | void write_state_nested_option (options_p current); |
168 | void write_state_option (options_p current); |
169 | void write_state_options (options_p opt); |
170 | void write_state_lang_bitmap (lang_bitmap bitmap); |
171 | void write_state_version (const char *version); |
172 | void write_state_scalar_type (type_p current); |
173 | void write_state_string_type (type_p current); |
174 | void write_state_undefined_type (type_p current); |
175 | void write_state_struct_union_type (type_p current, const char *kindstr); |
176 | void write_state_struct_type (type_p current); |
177 | void write_state_user_struct_type (type_p current); |
178 | void write_state_union_type (type_p current); |
179 | void write_state_lang_struct_type (type_p current); |
180 | void write_state_pointer_type (type_p current); |
181 | void write_state_array_type (type_p current); |
182 | void write_state_gc_used (enum gc_used_enum gus); |
183 | void write_state_common_type_content (type_p current); |
184 | void write_state_type (type_p current); |
185 | void write_state_pair (pair_p current); |
186 | int write_state_pair_list (pair_p list); |
187 | void write_state_typedefs (void); |
188 | void write_state_structures (void); |
189 | void write_state_variables (void); |
190 | void write_state_srcdir (void); |
191 | void write_state_files_list (void); |
192 | void write_state_languages (void); |
193 | |
194 | friend void write_state (const char *state_path); |
195 | |
196 | private: |
197 | /* Counter of written types. */ |
198 | int m_state_written_type_count; |
199 | }; // class state_writer |
200 | |
201 | |
202 | /* class s_expr_writer's trivial constructor. */ |
203 | s_expr_writer::s_expr_writer () |
204 | : m_indent_amount (0), |
205 | m_had_recent_newline (0) |
206 | { |
207 | } |
208 | |
209 | /* Write a newline to the output file, merging adjacent newlines. */ |
210 | void |
211 | s_expr_writer::write_new_line (void) |
212 | { |
213 | /* Don't add a newline if we've just had one. */ |
214 | if (!m_had_recent_newline) |
215 | { |
216 | fprintf (state_file, "\n"); |
217 | m_had_recent_newline = 1; |
218 | } |
219 | } |
220 | |
221 | /* If we've just had a newline, write the indentation amount, potentially |
222 | omitting some spaces. |
223 | |
224 | LEADING_SPACES exists to support code that writes strings with leading |
225 | spaces (e.g " foo") which might occur within a line, or could be the first |
226 | thing on a line. By passing leading_spaces == 1, when such a string is the |
227 | first thing on a line, write_any_indent () swallows the successive |
228 | leading spaces into the indentation so that the "foo" begins at the expected |
229 | column. */ |
230 | void |
231 | s_expr_writer::write_any_indent (int leading_spaces) |
232 | { |
233 | int i; |
234 | int amount = m_indent_amount - leading_spaces; |
235 | if (m_had_recent_newline) |
236 | for (i = 0; i < amount; i++) |
237 | fprintf (state_file, " "); |
238 | m_had_recent_newline = 0; |
239 | } |
240 | |
241 | /* Write the beginning of a new s-expresion e.g. "(!foo " |
242 | The writer automatically adds whitespace to show the hierarchical |
243 | structure of the expressions, so each one starts on a new line, |
244 | and any within it will be at an increased indentation level. */ |
245 | void |
246 | s_expr_writer::begin_s_expr (const char *tag) |
247 | { |
248 | write_new_line (); |
249 | write_any_indent (0); |
250 | fprintf (state_file, "(!%s ", tag); |
251 | m_indent_amount++; |
252 | } |
253 | |
254 | /* Write out the end of an s-expression: any necssessary indentation, |
255 | a closing parenthesis, and a new line. */ |
256 | void |
257 | s_expr_writer::end_s_expr (void) |
258 | { |
259 | m_indent_amount--; |
260 | write_any_indent (0); |
261 | fprintf (state_file, ")"); |
262 | write_new_line (); |
263 | } |
264 | |
265 | |
266 | /* class state_writer's trivial constructor. */ |
267 | state_writer::state_writer () |
268 | : s_expr_writer (), |
269 | m_state_written_type_count (0) |
270 | { |
271 | } |
272 | |
273 | |
274 | /* Fatal error messages when reading the state. They are extremely |
275 | unlikely, and only appear when this gengtype-state.c file is buggy, |
276 | or when reading a gengtype state which was not generated by the |
277 | same version of gengtype or GCC. */ |
278 | |
279 | |
280 | /* Fatal message while reading state. */ |
281 | static void |
282 | fatal_reading_state (struct state_token_st* tok, const char*msg) |
283 | { |
284 | if (tok) |
285 | fatal ("%s:%d:%d: Invalid state file; %s", |
286 | tok->stok_file, tok->stok_line, tok->stok_col, |
287 | msg); |
288 | else |
289 | fatal ("%s:%d: Invalid state file; %s", |
290 | state_path, state_line, msg); |
291 | } |
292 | |
293 | |
294 | /* Fatal printf-like message while reading state. This can't be a |
295 | function, because there is no way to pass a va_arg to a variant of |
296 | fatal. */ |
297 | #define fatal_reading_state_printf(Tok,Fmt,...)do { struct state_token_st* badtok = Tok; if (badtok) fatal ( "%s:%d:%d: Invalid state file; " Fmt, badtok->stok_file, badtok ->stok_line, badtok->stok_col, ...); else fatal ("%s:%d: Invalid state file; " Fmt, state_path, state_line, ...); } while (0) do { \ |
298 | struct state_token_st* badtok = Tok; \ |
299 | if (badtok) \ |
300 | fatal ("%s:%d:%d: Invalid state file; " Fmt, \ |
301 | badtok->stok_file, \ |
302 | badtok->stok_line, \ |
303 | badtok->stok_col, __VA_ARGS__); \ |
304 | else \ |
305 | fatal ("%s:%d: Invalid state file; " Fmt, \ |
306 | state_path, state_line, __VA_ARGS__); \ |
307 | } while (0) |
308 | |
309 | |
310 | /* Find or allocate an identifier in our name hash table. */ |
311 | static struct state_ident_st * |
312 | state_ident_by_name (const char *name, enum insert_option optins) |
313 | { |
314 | PTRvoid * *slot = NULLnullptr; |
315 | int namlen = 0; |
316 | struct state_ident_st *stid = NULLnullptr; |
317 | |
318 | if (!name || !name[0]) |
319 | return NULLnullptr; |
320 | |
321 | slot = htab_find_slot (state_ident_tab, name, optins); |
322 | if (!slot) |
323 | return NULLnullptr; |
324 | |
325 | namlen = strlen (name); |
326 | stid = |
327 | (struct state_ident_st *) xmalloc (sizeof (struct state_ident_st) + |
328 | namlen); |
329 | memset (stid, 0, sizeof (struct state_ident_st) + namlen); |
330 | strcpy (stid->stid_name, name); |
331 | *slot = stid; |
332 | |
333 | return stid; |
334 | } |
335 | |
336 | /* Our token lexer is heavily inspired by MELT's lexer, and share some |
337 | code with the file gcc/melt-runtime.c of the GCC MELT branch! We |
338 | really want the gengtype state to be easily parsable by MELT. This |
339 | is a usual lispy lexing routine, dealing with spaces and comments, |
340 | numbers, parenthesis, names, strings. */ |
341 | static struct state_token_st * |
342 | read_a_state_token (void) |
343 | { |
344 | int c = 0; |
345 | long curoff = 0; |
346 | struct state_token_st *tk = NULLnullptr; |
347 | |
348 | again: /* Read again, e.g. after a comment or spaces. */ |
349 | c = getc (state_file)getc_unlocked (state_file); |
350 | if (c == EOF(-1)) |
351 | return NULLnullptr; |
352 | |
353 | /* Handle spaces, count lines. */ |
354 | if (c == '\n') |
355 | { |
356 | state_line++; |
357 | state_bol = curoff = ftell (state_file); |
358 | goto again; |
359 | }; |
360 | if (ISSPACE (c)(_sch_istable[(c) & 0xff] & (unsigned short)(_sch_isspace ))) |
361 | goto again; |
362 | /* Skip comments starting with semi-colon. */ |
363 | if (c == ';') |
364 | { |
365 | do |
366 | { |
367 | c = getc (state_file)getc_unlocked (state_file); |
368 | } |
369 | while (c > 0 && c != '\n'); |
370 | if (c == '\n') |
371 | { |
372 | state_line++; |
373 | state_bol = curoff = ftell (state_file); |
Although the value stored to 'curoff' is used in the enclosing expression, the value is never actually read from 'curoff' | |
374 | } |
375 | goto again; |
376 | }; |
377 | /* Read signed numbers. */ |
378 | if (ISDIGIT (c)(_sch_istable[(c) & 0xff] & (unsigned short)(_sch_isdigit )) || c == '-' || c == '+') |
379 | { /* number */ |
380 | int n = 0; |
381 | ungetc (c, state_file); |
382 | curoff = ftell (state_file); |
383 | if (fscanf (state_file, "%d", &n) <= 0) |
384 | fatal_reading_state (NULL_STATE_TOKEN(struct state_token_st*)0, "Lexical error in number"); |
385 | tk = XCNEW (struct state_token_st)((struct state_token_st *) xcalloc (1, sizeof (struct state_token_st ))); |
386 | tk->stok_kind = STOK_INTEGER; |
387 | tk->stok_line = state_line; |
388 | tk->stok_col = curoff - state_bol; |
389 | tk->stok_file = state_path; |
390 | tk->stok_next = NULLnullptr; |
391 | tk->stok_un.stok_num = n; |
392 | |
393 | return tk; |
394 | } |
395 | /* Read an opening left parenthesis. */ |
396 | else if (c == '(') |
397 | { |
398 | curoff = ftell (state_file); |
399 | tk = XCNEW (struct state_token_st)((struct state_token_st *) xcalloc (1, sizeof (struct state_token_st ))); |
400 | tk->stok_kind = STOK_LEFTPAR; |
401 | tk->stok_line = state_line; |
402 | tk->stok_col = curoff - state_bol; |
403 | tk->stok_file = state_path; |
404 | tk->stok_next = NULLnullptr; |
405 | |
406 | return tk; |
407 | } |
408 | /* Read an closing right parenthesis. */ |
409 | else if (c == ')') |
410 | { |
411 | curoff = ftell (state_file); |
412 | tk = XCNEW (struct state_token_st)((struct state_token_st *) xcalloc (1, sizeof (struct state_token_st ))); |
413 | tk->stok_kind = STOK_RIGHTPAR; |
414 | tk->stok_line = state_line; |
415 | tk->stok_col = curoff - state_bol; |
416 | tk->stok_file = state_path; |
417 | tk->stok_next = NULLnullptr; |
418 | |
419 | return tk; |
420 | } |
421 | /* Read identifiers, using an obstack. */ |
422 | else if (ISALPHA (c)(_sch_istable[(c) & 0xff] & (unsigned short)(_sch_isalpha )) || c == '_' || c == '$' || c == '!' || c == '#') |
423 | { |
424 | struct obstack id_obstack; |
425 | struct state_ident_st *sid = NULLnullptr; |
426 | char *ids = NULLnullptr; |
427 | obstack_init (&id_obstack)_obstack_begin ((&id_obstack), 0, 0, (xmalloc), (free)); |
428 | curoff = ftell (state_file); |
429 | while (ISALNUM (c)(_sch_istable[(c) & 0xff] & (unsigned short)(_sch_isalnum )) || c == '_' || c == '$' || c == '!' || c == '#') |
430 | { |
431 | obstack_1grow (&id_obstack, c)__extension__ ({ struct obstack *__o = (&id_obstack); if ( __extension__ ({ struct obstack const *__o1 = (__o); (size_t) (__o1->chunk_limit - __o1->next_free); }) < 1) _obstack_newchunk (__o, 1); ((void) (*((__o)->next_free)++ = (c))); }); |
432 | c = getc (state_file)getc_unlocked (state_file); |
433 | if (c < 0) |
434 | break; |
435 | }; |
436 | if (c >= 0) |
437 | ungetc (c, state_file); |
438 | obstack_1grow (&id_obstack, (char) 0)__extension__ ({ struct obstack *__o = (&id_obstack); if ( __extension__ ({ struct obstack const *__o1 = (__o); (size_t) (__o1->chunk_limit - __o1->next_free); }) < 1) _obstack_newchunk (__o, 1); ((void) (*((__o)->next_free)++ = ((char) 0))); } ); |
439 | ids = XOBFINISH (&id_obstack, char *)((char *) __extension__ ({ struct obstack *__o1 = ((&id_obstack )); void *__value = (void *) __o1->object_base; if (__o1-> next_free == __value) __o1->maybe_empty_object = 1; __o1-> next_free = ((sizeof (ptrdiff_t) < sizeof (void *) ? (__o1 ->object_base) : (char *) 0) + (((__o1->next_free) - (sizeof (ptrdiff_t) < sizeof (void *) ? (__o1->object_base) : ( char *) 0) + (__o1->alignment_mask)) & ~(__o1->alignment_mask ))); if ((size_t) (__o1->next_free - (char *) __o1->chunk ) > (size_t) (__o1->chunk_limit - (char *) __o1->chunk )) __o1->next_free = __o1->chunk_limit; __o1->object_base = __o1->next_free; __value; })); |
440 | sid = state_ident_by_name (ids, INSERT); |
441 | obstack_free (&id_obstack, NULL)__extension__ ({ struct obstack *__o = (&id_obstack); void *__obj = (void *) (nullptr); if (__obj > (void *) __o-> chunk && __obj < (void *) __o->chunk_limit) __o ->next_free = __o->object_base = (char *) __obj; else _obstack_free (__o, __obj); }); |
442 | ids = NULLnullptr; |
443 | tk = XCNEW (struct state_token_st)((struct state_token_st *) xcalloc (1, sizeof (struct state_token_st ))); |
444 | tk->stok_kind = STOK_NAME; |
445 | tk->stok_line = state_line; |
446 | tk->stok_col = curoff - state_bol; |
447 | tk->stok_file = state_path; |
448 | tk->stok_next = NULLnullptr; |
449 | tk->stok_un.stok_ident = sid; |
450 | |
451 | return tk; |
452 | } |
453 | /* Read a string, dealing with escape sequences a la C! */ |
454 | else if (c == '"') |
455 | { |
456 | char *cstr = NULLnullptr; |
457 | int cslen = 0; |
458 | struct obstack bstring_obstack; |
459 | obstack_init (&bstring_obstack)_obstack_begin ((&bstring_obstack), 0, 0, (xmalloc), (free )); |
460 | curoff = ftell (state_file); |
461 | while ((c = getc (state_file)getc_unlocked (state_file)) != '"' && c >= 0) |
462 | { |
463 | if (ISPRINT (c)(_sch_istable[(c) & 0xff] & (unsigned short)(_sch_isprint )) && c != '\\') |
464 | obstack_1grow (&bstring_obstack, (char) c)__extension__ ({ struct obstack *__o = (&bstring_obstack) ; if (__extension__ ({ struct obstack const *__o1 = (__o); (size_t ) (__o1->chunk_limit - __o1->next_free); }) < 1) _obstack_newchunk (__o, 1); ((void) (*((__o)->next_free)++ = ((char) c))); } ); |
465 | else if (ISSPACE (c)(_sch_istable[(c) & 0xff] & (unsigned short)(_sch_isspace )) && c != '\n') |
466 | obstack_1grow (&bstring_obstack, (char) c)__extension__ ({ struct obstack *__o = (&bstring_obstack) ; if (__extension__ ({ struct obstack const *__o1 = (__o); (size_t ) (__o1->chunk_limit - __o1->next_free); }) < 1) _obstack_newchunk (__o, 1); ((void) (*((__o)->next_free)++ = ((char) c))); } ); |
467 | else if (c == '\\') |
468 | { |
469 | c = getc (state_file)getc_unlocked (state_file); |
470 | switch (c) |
471 | { |
472 | case 'a': |
473 | obstack_1grow (&bstring_obstack, '\a')__extension__ ({ struct obstack *__o = (&bstring_obstack) ; if (__extension__ ({ struct obstack const *__o1 = (__o); (size_t ) (__o1->chunk_limit - __o1->next_free); }) < 1) _obstack_newchunk (__o, 1); ((void) (*((__o)->next_free)++ = ('\a'))); }); |
474 | c = getc (state_file)getc_unlocked (state_file); |
475 | break; |
476 | case 'b': |
477 | obstack_1grow (&bstring_obstack, '\b')__extension__ ({ struct obstack *__o = (&bstring_obstack) ; if (__extension__ ({ struct obstack const *__o1 = (__o); (size_t ) (__o1->chunk_limit - __o1->next_free); }) < 1) _obstack_newchunk (__o, 1); ((void) (*((__o)->next_free)++ = ('\b'))); }); |
478 | c = getc (state_file)getc_unlocked (state_file); |
479 | break; |
480 | case 't': |
481 | obstack_1grow (&bstring_obstack, '\t')__extension__ ({ struct obstack *__o = (&bstring_obstack) ; if (__extension__ ({ struct obstack const *__o1 = (__o); (size_t ) (__o1->chunk_limit - __o1->next_free); }) < 1) _obstack_newchunk (__o, 1); ((void) (*((__o)->next_free)++ = ('\t'))); }); |
482 | c = getc (state_file)getc_unlocked (state_file); |
483 | break; |
484 | case 'n': |
485 | obstack_1grow (&bstring_obstack, '\n')__extension__ ({ struct obstack *__o = (&bstring_obstack) ; if (__extension__ ({ struct obstack const *__o1 = (__o); (size_t ) (__o1->chunk_limit - __o1->next_free); }) < 1) _obstack_newchunk (__o, 1); ((void) (*((__o)->next_free)++ = ('\n'))); }); |
486 | c = getc (state_file)getc_unlocked (state_file); |
487 | break; |
488 | case 'v': |
489 | obstack_1grow (&bstring_obstack, '\v')__extension__ ({ struct obstack *__o = (&bstring_obstack) ; if (__extension__ ({ struct obstack const *__o1 = (__o); (size_t ) (__o1->chunk_limit - __o1->next_free); }) < 1) _obstack_newchunk (__o, 1); ((void) (*((__o)->next_free)++ = ('\v'))); }); |
490 | c = getc (state_file)getc_unlocked (state_file); |
491 | break; |
492 | case 'f': |
493 | obstack_1grow (&bstring_obstack, '\f')__extension__ ({ struct obstack *__o = (&bstring_obstack) ; if (__extension__ ({ struct obstack const *__o1 = (__o); (size_t ) (__o1->chunk_limit - __o1->next_free); }) < 1) _obstack_newchunk (__o, 1); ((void) (*((__o)->next_free)++ = ('\f'))); }); |
494 | c = getc (state_file)getc_unlocked (state_file); |
495 | break; |
496 | case 'r': |
497 | obstack_1grow (&bstring_obstack, '\r')__extension__ ({ struct obstack *__o = (&bstring_obstack) ; if (__extension__ ({ struct obstack const *__o1 = (__o); (size_t ) (__o1->chunk_limit - __o1->next_free); }) < 1) _obstack_newchunk (__o, 1); ((void) (*((__o)->next_free)++ = ('\r'))); }); |
498 | c = getc (state_file)getc_unlocked (state_file); |
499 | break; |
500 | case '"': |
501 | obstack_1grow (&bstring_obstack, '\"')__extension__ ({ struct obstack *__o = (&bstring_obstack) ; if (__extension__ ({ struct obstack const *__o1 = (__o); (size_t ) (__o1->chunk_limit - __o1->next_free); }) < 1) _obstack_newchunk (__o, 1); ((void) (*((__o)->next_free)++ = ('\"'))); }); |
502 | c = getc (state_file)getc_unlocked (state_file); |
503 | break; |
504 | case '\\': |
505 | obstack_1grow (&bstring_obstack, '\\')__extension__ ({ struct obstack *__o = (&bstring_obstack) ; if (__extension__ ({ struct obstack const *__o1 = (__o); (size_t ) (__o1->chunk_limit - __o1->next_free); }) < 1) _obstack_newchunk (__o, 1); ((void) (*((__o)->next_free)++ = ('\\'))); }); |
506 | c = getc (state_file)getc_unlocked (state_file); |
507 | break; |
508 | case ' ': |
509 | obstack_1grow (&bstring_obstack, ' ')__extension__ ({ struct obstack *__o = (&bstring_obstack) ; if (__extension__ ({ struct obstack const *__o1 = (__o); (size_t ) (__o1->chunk_limit - __o1->next_free); }) < 1) _obstack_newchunk (__o, 1); ((void) (*((__o)->next_free)++ = (' '))); }); |
510 | c = getc (state_file)getc_unlocked (state_file); |
511 | break; |
512 | case 'x': |
513 | { |
514 | unsigned int cx = 0; |
515 | if (fscanf (state_file, "%02x", &cx) > 0 && cx > 0) |
516 | obstack_1grow (&bstring_obstack, cx)__extension__ ({ struct obstack *__o = (&bstring_obstack) ; if (__extension__ ({ struct obstack const *__o1 = (__o); (size_t ) (__o1->chunk_limit - __o1->next_free); }) < 1) _obstack_newchunk (__o, 1); ((void) (*((__o)->next_free)++ = (cx))); }); |
517 | else |
518 | fatal_reading_state |
519 | (NULL_STATE_TOKEN(struct state_token_st*)0, |
520 | "Lexical error in string hex escape"); |
521 | c = getc (state_file)getc_unlocked (state_file); |
522 | break; |
523 | } |
524 | default: |
525 | fatal_reading_state |
526 | (NULL_STATE_TOKEN(struct state_token_st*)0, |
527 | "Lexical error - unknown string escape"); |
528 | } |
529 | } |
530 | else |
531 | fatal_reading_state (NULL_STATE_TOKEN(struct state_token_st*)0, "Lexical error..."); |
532 | }; |
533 | if (c != '"') |
534 | fatal_reading_state (NULL_STATE_TOKEN(struct state_token_st*)0, "Unterminated string"); |
535 | obstack_1grow (&bstring_obstack, '\0')__extension__ ({ struct obstack *__o = (&bstring_obstack) ; if (__extension__ ({ struct obstack const *__o1 = (__o); (size_t ) (__o1->chunk_limit - __o1->next_free); }) < 1) _obstack_newchunk (__o, 1); ((void) (*((__o)->next_free)++ = ('\0'))); }); |
536 | cstr = XOBFINISH (&bstring_obstack, char *)((char *) __extension__ ({ struct obstack *__o1 = ((&bstring_obstack )); void *__value = (void *) __o1->object_base; if (__o1-> next_free == __value) __o1->maybe_empty_object = 1; __o1-> next_free = ((sizeof (ptrdiff_t) < sizeof (void *) ? (__o1 ->object_base) : (char *) 0) + (((__o1->next_free) - (sizeof (ptrdiff_t) < sizeof (void *) ? (__o1->object_base) : ( char *) 0) + (__o1->alignment_mask)) & ~(__o1->alignment_mask ))); if ((size_t) (__o1->next_free - (char *) __o1->chunk ) > (size_t) (__o1->chunk_limit - (char *) __o1->chunk )) __o1->next_free = __o1->chunk_limit; __o1->object_base = __o1->next_free; __value; })); |
537 | cslen = strlen (cstr); |
538 | tk = (struct state_token_st *) |
539 | xcalloc (sizeof (struct state_token_st) + cslen, 1); |
540 | tk->stok_kind = STOK_STRING; |
541 | tk->stok_line = state_line; |
542 | tk->stok_col = curoff - state_bol; |
543 | tk->stok_file = state_path; |
544 | tk->stok_next = NULLnullptr; |
545 | strcpy (tk->stok_un.stok_string, cstr); |
546 | obstack_free (&bstring_obstack, NULL)__extension__ ({ struct obstack *__o = (&bstring_obstack) ; void *__obj = (void *) (nullptr); if (__obj > (void *) __o ->chunk && __obj < (void *) __o->chunk_limit ) __o->next_free = __o->object_base = (char *) __obj; else _obstack_free (__o, __obj); }); |
547 | |
548 | return tk; |
549 | } |
550 | /* Got an unexpected character. */ |
551 | fatal_reading_state_printfdo { struct state_token_st* badtok = (struct state_token_st*) 0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "Lexical error at offset %ld - bad character \\%03o = '%c'" , badtok->stok_file, badtok->stok_line, badtok->stok_col , ftell (state_file), c, c); else fatal ("%s:%d: Invalid state file; " "Lexical error at offset %ld - bad character \\%03o = '%c'", state_path, state_line, ftell (state_file), c, c); } while ( 0) |
552 | (NULL_STATE_TOKEN,do { struct state_token_st* badtok = (struct state_token_st*) 0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "Lexical error at offset %ld - bad character \\%03o = '%c'" , badtok->stok_file, badtok->stok_line, badtok->stok_col , ftell (state_file), c, c); else fatal ("%s:%d: Invalid state file; " "Lexical error at offset %ld - bad character \\%03o = '%c'", state_path, state_line, ftell (state_file), c, c); } while ( 0) |
553 | "Lexical error at offset %ld - bad character \\%03o = '%c'",do { struct state_token_st* badtok = (struct state_token_st*) 0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "Lexical error at offset %ld - bad character \\%03o = '%c'" , badtok->stok_file, badtok->stok_line, badtok->stok_col , ftell (state_file), c, c); else fatal ("%s:%d: Invalid state file; " "Lexical error at offset %ld - bad character \\%03o = '%c'", state_path, state_line, ftell (state_file), c, c); } while ( 0) |
554 | ftell (state_file), c, c)do { struct state_token_st* badtok = (struct state_token_st*) 0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "Lexical error at offset %ld - bad character \\%03o = '%c'" , badtok->stok_file, badtok->stok_line, badtok->stok_col , ftell (state_file), c, c); else fatal ("%s:%d: Invalid state file; " "Lexical error at offset %ld - bad character \\%03o = '%c'", state_path, state_line, ftell (state_file), c, c); } while ( 0); |
555 | } |
556 | |
557 | /* Used for lexical look-ahead. Retrieves the lexical token of rank |
558 | DEPTH, starting with 0 when reading the state file. Gives null on |
559 | end of file. */ |
560 | static struct state_token_st * |
561 | peek_state_token (int depth) |
562 | { |
563 | int remdepth = depth; |
564 | struct state_token_st **ptoken = &state_token; |
565 | struct state_token_st *tok = NULLnullptr; |
566 | |
567 | while (remdepth >= 0) |
568 | { |
569 | if (*ptoken == NULLnullptr) |
570 | { |
571 | *ptoken = tok = read_a_state_token (); |
572 | if (tok == NULLnullptr) |
573 | return NULLnullptr; |
574 | } |
575 | tok = *ptoken; |
576 | ptoken = &((*ptoken)->stok_next); |
577 | remdepth--; |
578 | } |
579 | |
580 | return tok; |
581 | } |
582 | |
583 | /* Consume the next DEPTH tokens and free them. */ |
584 | static void |
585 | next_state_tokens (int depth) |
586 | { |
587 | struct state_token_st *n; |
588 | |
589 | while (depth > 0) |
590 | { |
591 | if (state_token != NULLnullptr) |
592 | { |
593 | n = state_token->stok_next; |
594 | free (state_token); |
595 | state_token = n; |
596 | } |
597 | else |
598 | fatal_reading_state (NULL_STATE_TOKEN(struct state_token_st*)0, "Tokens stack empty"); |
599 | |
600 | depth--; |
601 | } |
602 | } |
603 | |
604 | /* Safely retrieve the lexical kind of a token. */ |
605 | static inline enum state_token_en |
606 | state_token_kind (struct state_token_st *p) |
607 | { |
608 | if (p == NULLnullptr) |
609 | return STOK_NONE; |
610 | else |
611 | return p->stok_kind; |
612 | } |
613 | |
614 | /* Test if a token is a given name i.e. an identifier. */ |
615 | static inline bool |
616 | state_token_is_name (struct state_token_st *p, const char *name) |
617 | { |
618 | if (p == NULLnullptr) |
619 | return false; |
620 | |
621 | if (p->stok_kind != STOK_NAME) |
622 | return false; |
623 | |
624 | return !strcmp (p->stok_un.stok_ident->stid_name, name); |
625 | } |
626 | |
627 | |
628 | /* Following routines are useful for serializing datas. |
629 | * |
630 | * We want to serialize : |
631 | * - typedefs list |
632 | * - structures list |
633 | * - variables list |
634 | * |
635 | * So, we have one routine for each kind of data. The main writing |
636 | * routine is write_state. The main reading routine is |
637 | * read_state. Most writing routines write_state_FOO have a |
638 | * corresponding reading routine read_state_FOO. Reading is done in a |
639 | * recursive descending way, and any read error is fatal. |
640 | */ |
641 | |
642 | /* When reading the state, we need to remember the previously seen |
643 | types by their state_number, since GTY-ed types are usually |
644 | shared. */ |
645 | static htab_t state_seen_types; |
646 | |
647 | /* Return the length of a linked list made of pairs. */ |
648 | static int pair_list_length (pair_p list); |
649 | |
650 | /* Compute the length of a list of pairs, starting from the first |
651 | one. */ |
652 | static int |
653 | pair_list_length (pair_p list) |
654 | { |
655 | int nbpair = 0; |
656 | pair_p l = NULLnullptr; |
657 | for (l = list; l; l = l->next) |
658 | nbpair++; |
659 | return nbpair; |
660 | } |
661 | |
662 | /* Write a file location. Files relative to $(srcdir) are quite |
663 | frequent and are handled specially. This ensures that two gengtype |
664 | state file-s produced by gengtype on the same GCC source tree are |
665 | very similar and can be reasonably compared with diff, even if the |
666 | two GCC source trees have different absolute paths. */ |
667 | void |
668 | state_writer::write_state_fileloc (struct fileloc *floc) |
669 | { |
670 | |
671 | if (floc != NULLnullptr && floc->line > 0) |
672 | { |
673 | const char *srcrelpath = NULLnullptr; |
674 | gcc_assert (floc->file != NULL)((void)(!(floc->file != nullptr) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" , 674, __FUNCTION__), 0 : 0)); |
675 | /* Most of the files are inside $(srcdir) so it is worth to |
676 | handle them specially. */ |
677 | srcrelpath = get_file_srcdir_relative_path (floc->file); |
678 | if (srcrelpath != NULLnullptr) |
679 | { |
680 | begin_s_expr ("srcfileloc"); |
681 | write_state_a_string (srcrelpath); |
682 | } |
683 | else |
684 | { |
685 | begin_s_expr ("fileloc"); |
686 | write_state_a_string (get_input_file_name (floc->file)); |
687 | } |
688 | fprintf (state_file, " %d", floc->line); |
689 | end_s_expr (); |
690 | } |
691 | else |
692 | fprintf (state_file, "nil "); |
693 | } |
694 | |
695 | /* Write a list of fields. */ |
696 | void |
697 | state_writer::write_state_fields (pair_p fields) |
698 | { |
699 | int nbfields = pair_list_length (fields); |
700 | int nbpairs = 0; |
701 | begin_s_expr ("fields"); |
702 | fprintf (state_file, "%d ", nbfields); |
703 | nbpairs = write_state_pair_list (fields); |
704 | gcc_assert (nbpairs == nbfields)((void)(!(nbpairs == nbfields) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" , 704, __FUNCTION__), 0 : 0)); |
705 | end_s_expr (); |
706 | } |
707 | |
708 | /* Write a null-terminated string in our lexical convention, very |
709 | similar to the convention of C. */ |
710 | void |
711 | state_writer::write_state_a_string (const char *s) |
712 | { |
713 | char c; |
714 | |
715 | write_any_indent (1); |
716 | |
717 | fputs (" \"", state_file)fputs_unlocked (" \"", state_file); |
718 | for (; *s != 0; s++) |
719 | { |
720 | c = *s; |
721 | switch (c) |
722 | { |
723 | case '\a': |
724 | fputs ("\\a", state_file)fputs_unlocked ("\\a", state_file); |
725 | break; |
726 | case '\b': |
727 | fputs ("\\b", state_file)fputs_unlocked ("\\b", state_file); |
728 | break; |
729 | case '\t': |
730 | fputs ("\\t", state_file)fputs_unlocked ("\\t", state_file); |
731 | break; |
732 | case '\n': |
733 | fputs ("\\n", state_file)fputs_unlocked ("\\n", state_file); |
734 | break; |
735 | case '\v': |
736 | fputs ("\\v", state_file)fputs_unlocked ("\\v", state_file); |
737 | break; |
738 | case '\f': |
739 | fputs ("\\f", state_file)fputs_unlocked ("\\f", state_file); |
740 | break; |
741 | case '\r': |
742 | fputs ("\\r", state_file)fputs_unlocked ("\\r", state_file); |
743 | break; |
744 | case '\"': |
745 | fputs ("\\\"", state_file)fputs_unlocked ("\\\"", state_file); |
746 | break; |
747 | case '\\': |
748 | fputs ("\\\\", state_file)fputs_unlocked ("\\\\", state_file); |
749 | break; |
750 | default: |
751 | if (ISPRINT (c)(_sch_istable[(c) & 0xff] & (unsigned short)(_sch_isprint ))) |
752 | putc (c, state_file)putc_unlocked (c, state_file); |
753 | else |
754 | fprintf (state_file, "\\x%02x", (unsigned) c); |
755 | } |
756 | } |
757 | fputs ("\"", state_file)fputs_unlocked ("\"", state_file); |
758 | } |
759 | |
760 | /* Our option-s have three kinds, each with its writer. */ |
761 | void |
762 | state_writer::write_state_string_option (options_p current) |
763 | { |
764 | write_any_indent (0); |
765 | fprintf (state_file, "string "); |
766 | if (current->info.string != NULLnullptr) |
767 | write_state_a_string (current->info.string); |
768 | else |
769 | fprintf (state_file, " nil "); |
770 | } |
771 | |
772 | void |
773 | state_writer::write_state_type_option (options_p current) |
774 | { |
775 | write_any_indent (0); |
776 | fprintf (state_file, "type "); |
777 | write_state_type (current->info.type); |
778 | } |
779 | |
780 | void |
781 | state_writer::write_state_nested_option (options_p current) |
782 | { |
783 | write_any_indent (0); |
784 | fprintf (state_file, "nested "); |
785 | write_state_type (current->info.nested->type); |
786 | if (current->info.nested->convert_from != NULLnullptr) |
787 | write_state_a_string (current->info.nested->convert_from); |
788 | else |
789 | { |
790 | write_any_indent (1); |
791 | fprintf (state_file, " nil "); |
792 | } |
793 | |
794 | if (current->info.nested->convert_to != NULLnullptr) |
795 | write_state_a_string (current->info.nested->convert_to); |
796 | else |
797 | { |
798 | write_any_indent (1); |
799 | fprintf (state_file, " nil "); |
800 | } |
801 | } |
802 | |
803 | void |
804 | state_writer::write_state_option (options_p current) |
805 | { |
806 | begin_s_expr ("option"); |
807 | |
808 | write_any_indent (0); |
809 | if (current->name != NULLnullptr) |
810 | fprintf (state_file, "%s ", current->name); |
811 | else |
812 | fprintf (state_file, "nil "); |
813 | |
814 | switch (current->kind) |
815 | { |
816 | case OPTION_STRING: |
817 | write_state_string_option (current); |
818 | break; |
819 | case OPTION_TYPE: |
820 | write_state_type_option (current); |
821 | break; |
822 | case OPTION_NESTED: |
823 | write_state_nested_option (current); |
824 | break; |
825 | default: |
826 | fatal ("Option tag unknown"); |
827 | } |
828 | |
829 | /* Terminate the "option" s-expression. */ |
830 | end_s_expr (); |
831 | } |
832 | |
833 | |
834 | |
835 | /* Write a list of GTY options. */ |
836 | void |
837 | state_writer::write_state_options (options_p opt) |
838 | { |
839 | options_p current; |
840 | |
841 | if (opt == NULLnullptr) |
842 | { |
843 | write_any_indent (0); |
844 | fprintf (state_file, "nil "); |
845 | return; |
846 | } |
847 | |
848 | begin_s_expr ("options"); |
849 | for (current = opt; current != NULLnullptr; current = current->next) |
850 | write_state_option (current); |
851 | end_s_expr (); |
852 | } |
853 | |
854 | |
855 | /* Write a bitmap representing a set of GCC front-end languages. */ |
856 | void |
857 | state_writer::write_state_lang_bitmap (lang_bitmap bitmap) |
858 | { |
859 | write_any_indent (0); |
860 | fprintf (state_file, "%d ", (int) bitmap); |
861 | } |
862 | |
863 | /* Write version information. */ |
864 | void |
865 | state_writer::write_state_version (const char *version) |
866 | { |
867 | begin_s_expr ("version"); |
868 | write_state_a_string (version); |
869 | end_s_expr (); |
870 | } |
871 | |
872 | /* Write a scalar type. We have only two of these. */ |
873 | void |
874 | state_writer::write_state_scalar_type (type_p current) |
875 | { |
876 | write_any_indent (0); |
877 | if (current == &scalar_nonchar) |
878 | fprintf (state_file, "scalar_nonchar "); |
879 | else if (current == &scalar_char) |
880 | fprintf (state_file, "scalar_char "); |
881 | else |
882 | fatal ("Unexpected type in write_state_scalar_type"); |
883 | |
884 | write_state_common_type_content (current); |
885 | } |
886 | |
887 | /* Write the string type. There is only one such thing! */ |
888 | void |
889 | state_writer::write_state_string_type (type_p current) |
890 | { |
891 | if (current == &string_type) |
892 | { |
893 | write_any_indent (0); |
894 | fprintf (state_file, "string "); |
895 | write_state_common_type_content (current); |
896 | } |
897 | else |
898 | fatal ("Unexpected type in write_state_string_type"); |
899 | } |
900 | |
901 | /* Write an undefined type. */ |
902 | void |
903 | state_writer::write_state_undefined_type (type_p current) |
904 | { |
905 | DBGPRINTF ("undefined type @ %p #%d '%s'", (void *) current,do {if (do_debug) fprintf (stderr, "%s:%d: " "undefined type @ %p #%d '%s'" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),906, (void *) current, current->state_number, current-> u.s.tag);} while (0) |
906 | current->state_number, current->u.s.tag)do {if (do_debug) fprintf (stderr, "%s:%d: " "undefined type @ %p #%d '%s'" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),906, (void *) current, current->state_number, current-> u.s.tag);} while (0); |
907 | write_any_indent (0); |
908 | fprintf (state_file, "undefined "); |
909 | gcc_assert (current->gc_used == GC_UNUSED)((void)(!(current->gc_used == GC_UNUSED) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" , 909, __FUNCTION__), 0 : 0)); |
910 | write_state_common_type_content (current); |
911 | if (current->u.s.tag != NULLnullptr) |
912 | write_state_a_string (current->u.s.tag); |
913 | else |
914 | { |
915 | write_any_indent (0); |
916 | fprintf (state_file, "nil"); |
917 | } |
918 | |
919 | write_state_fileloc (type_lineloc (current)); |
920 | } |
921 | |
922 | |
923 | /* Common code to write structure like types. */ |
924 | void |
925 | state_writer::write_state_struct_union_type (type_p current, |
926 | const char *kindstr) |
927 | { |
928 | DBGPRINTF ("%s type @ %p #%d '%s'", kindstr, (void *) current,do {if (do_debug) fprintf (stderr, "%s:%d: " "%s type @ %p #%d '%s'" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),929, kindstr, (void *) current, current->state_number, current ->u.s.tag);} while (0) |
929 | current->state_number, current->u.s.tag)do {if (do_debug) fprintf (stderr, "%s:%d: " "%s type @ %p #%d '%s'" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),929, kindstr, (void *) current, current->state_number, current ->u.s.tag);} while (0); |
930 | write_any_indent (0); |
931 | fprintf (state_file, "%s ", kindstr); |
932 | write_state_common_type_content (current); |
933 | if (current->u.s.tag != NULLnullptr) |
934 | write_state_a_string (current->u.s.tag); |
935 | else |
936 | { |
937 | write_any_indent (0); |
938 | fprintf (state_file, "nil"); |
939 | } |
940 | |
941 | write_state_fileloc (type_lineloc (current)); |
942 | write_state_fields (current->u.s.fields); |
943 | write_state_options (current->u.s.opt); |
944 | write_state_lang_bitmap (current->u.s.bitmap); |
945 | } |
946 | |
947 | |
948 | /* Write a GTY struct type. */ |
949 | void |
950 | state_writer::write_state_struct_type (type_p current) |
951 | { |
952 | write_state_struct_union_type (current, "struct"); |
953 | write_state_type (current->u.s.lang_struct); |
954 | write_state_type (current->u.s.base_class); |
955 | } |
956 | |
957 | /* Write a GTY user-defined struct type. */ |
958 | void |
959 | state_writer::write_state_user_struct_type (type_p current) |
960 | { |
961 | DBGPRINTF ("user_struct type @ %p #%d '%s'", (void *) current,do {if (do_debug) fprintf (stderr, "%s:%d: " "user_struct type @ %p #%d '%s'" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),962, (void *) current, current->state_number, current-> u.s.tag);} while (0) |
962 | current->state_number, current->u.s.tag)do {if (do_debug) fprintf (stderr, "%s:%d: " "user_struct type @ %p #%d '%s'" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),962, (void *) current, current->state_number, current-> u.s.tag);} while (0); |
963 | write_any_indent (0); |
964 | fprintf (state_file, "user_struct "); |
965 | write_state_common_type_content (current); |
966 | if (current->u.s.tag != NULLnullptr) |
967 | write_state_a_string (current->u.s.tag); |
968 | else |
969 | { |
970 | write_any_indent (0); |
971 | fprintf (state_file, "nil"); |
972 | } |
973 | write_state_fileloc (type_lineloc (current)); |
974 | write_state_fields (current->u.s.fields); |
975 | } |
976 | |
977 | /* write a GTY union type. */ |
978 | void |
979 | state_writer::write_state_union_type (type_p current) |
980 | { |
981 | write_state_struct_union_type (current, "union"); |
982 | write_state_type (current->u.s.lang_struct); |
983 | } |
984 | |
985 | /* Write a lang_struct type. This is tricky and was painful to debug, |
986 | we deal with the next field specifically within their lang_struct |
987 | subfield, which points to a linked list of homonumous types. |
988 | Change this function with extreme care, see also |
989 | read_state_lang_struct_type. */ |
990 | void |
991 | state_writer::write_state_lang_struct_type (type_p current) |
992 | { |
993 | int nbhomontype = 0; |
994 | type_p hty = NULLnullptr; |
995 | const char *homoname = 0; |
996 | write_state_struct_union_type (current, "lang_struct"); |
997 | /* lang_struct-ures are particularly tricky, since their |
998 | u.s.lang_struct field gives a list of homonymous struct-s or |
999 | union-s! */ |
1000 | DBGPRINTF ("lang_struct @ %p #%d", (void *) current, current->state_number)do {if (do_debug) fprintf (stderr, "%s:%d: " "lang_struct @ %p #%d" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1000, (void *) current, current->state_number);} while ( 0); |
1001 | for (hty = current->u.s.lang_struct; hty != NULLnullptr; hty = hty->next) |
1002 | { |
1003 | nbhomontype++; |
1004 | DBGPRINTF ("homonymous #%d hty @ %p #%d '%s'", nbhomontype,do {if (do_debug) fprintf (stderr, "%s:%d: " "homonymous #%d hty @ %p #%d '%s'" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1005, nbhomontype, (void *) hty, hty->state_number, hty-> u.s.tag);} while (0) |
1005 | (void *) hty, hty->state_number, hty->u.s.tag)do {if (do_debug) fprintf (stderr, "%s:%d: " "homonymous #%d hty @ %p #%d '%s'" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1005, nbhomontype, (void *) hty, hty->state_number, hty-> u.s.tag);} while (0); |
1006 | /* Every member of the homonymous list should have the same tag. */ |
1007 | gcc_assert (union_or_struct_p (hty))((void)(!(union_or_struct_p (hty)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" , 1007, __FUNCTION__), 0 : 0)); |
1008 | gcc_assert (hty->u.s.lang_struct == current)((void)(!(hty->u.s.lang_struct == current) ? fancy_abort ( "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" , 1008, __FUNCTION__), 0 : 0)); |
1009 | if (!homoname) |
1010 | homoname = hty->u.s.tag; |
1011 | gcc_assert (strcmp (homoname, hty->u.s.tag) == 0)((void)(!(strcmp (homoname, hty->u.s.tag) == 0) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" , 1011, __FUNCTION__), 0 : 0)); |
1012 | } |
1013 | begin_s_expr ("homotypes"); |
1014 | fprintf (state_file, "%d", nbhomontype); |
1015 | for (hty = current->u.s.lang_struct; hty != NULLnullptr; hty = hty->next) |
1016 | write_state_type (hty); |
1017 | end_s_expr (); |
1018 | } |
1019 | |
1020 | /* Write a pointer type. */ |
1021 | void |
1022 | state_writer::write_state_pointer_type (type_p current) |
1023 | { |
1024 | write_any_indent (0); |
1025 | fprintf (state_file, "pointer "); |
1026 | write_state_common_type_content (current); |
1027 | write_state_type (current->u.p); |
1028 | } |
1029 | |
1030 | /* Write an array type. */ |
1031 | void |
1032 | state_writer::write_state_array_type (type_p current) |
1033 | { |
1034 | write_any_indent (0); |
1035 | fprintf (state_file, "array "); |
1036 | write_state_common_type_content (current); |
1037 | if (current->u.a.len != NULLnullptr) |
1038 | write_state_a_string (current->u.a.len); |
1039 | else |
1040 | { |
1041 | write_any_indent (1); |
1042 | fprintf (state_file, " nil"); |
1043 | } |
1044 | |
1045 | write_any_indent (1); |
1046 | fprintf (state_file, " "); |
1047 | write_state_type (current->u.a.p); |
1048 | } |
1049 | |
1050 | /* Write the gc_used information. */ |
1051 | void |
1052 | state_writer::write_state_gc_used (enum gc_used_enum gus) |
1053 | { |
1054 | write_any_indent (1); |
1055 | switch (gus) |
1056 | { |
1057 | case GC_UNUSED: |
1058 | fprintf (state_file, " gc_unused"); |
1059 | break; |
1060 | case GC_USED: |
1061 | fprintf (state_file, " gc_used"); |
1062 | break; |
1063 | case GC_MAYBE_POINTED_TO: |
1064 | fprintf (state_file, " gc_maybe_pointed_to"); |
1065 | break; |
1066 | case GC_POINTED_TO: |
1067 | fprintf (state_file, " gc_pointed_to"); |
1068 | break; |
1069 | default: |
1070 | gcc_unreachable ()(fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" , 1070, __FUNCTION__)); |
1071 | } |
1072 | } |
1073 | |
1074 | /* Utility routine to write the common content of all types. Notice |
1075 | that the next field is *not* written on purpose. */ |
1076 | void |
1077 | state_writer::write_state_common_type_content (type_p current) |
1078 | { |
1079 | write_any_indent (0); |
1080 | fprintf (state_file, "%d ", current->state_number); |
1081 | /* We do not write the next type, because list of types are |
1082 | explicitly written. However, lang_struct are special in that |
1083 | respect. See function write_state_lang_struct_type for more. */ |
1084 | write_state_type (current->pointer_to); |
1085 | write_state_gc_used (current->gc_used); |
1086 | } |
1087 | |
1088 | |
1089 | /* The important and recursive routine writing GTY types as understood |
1090 | by gengtype. Types which have a positive state_number have already |
1091 | been seen and written. */ |
1092 | void |
1093 | state_writer::write_state_type (type_p current) |
1094 | { |
1095 | write_any_indent (0); |
1096 | if (current == NULLnullptr) |
1097 | { |
1098 | fprintf (state_file, "nil "); |
1099 | return; |
1100 | } |
1101 | |
1102 | begin_s_expr ("type"); |
1103 | |
1104 | if (current->state_number > 0) |
1105 | { |
1106 | write_any_indent (0); |
1107 | fprintf (state_file, "already_seen %d", current->state_number); |
1108 | } |
1109 | else |
1110 | { |
1111 | m_state_written_type_count++; |
1112 | DBGPRINTF ("writing type #%d @%p old number %d", m_state_written_type_count,do {if (do_debug) fprintf (stderr, "%s:%d: " "writing type #%d @%p old number %d" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1113, m_state_written_type_count, (void *) current, current ->state_number);} while (0) |
1113 | (void *) current, current->state_number)do {if (do_debug) fprintf (stderr, "%s:%d: " "writing type #%d @%p old number %d" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1113, m_state_written_type_count, (void *) current, current ->state_number);} while (0); |
1114 | current->state_number = m_state_written_type_count; |
1115 | switch (current->kind) |
1116 | { |
1117 | case TYPE_NONE: |
1118 | gcc_unreachable ()(fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" , 1118, __FUNCTION__)); |
1119 | case TYPE_UNDEFINED: |
1120 | write_state_undefined_type (current); |
1121 | break; |
1122 | case TYPE_STRUCT: |
1123 | write_state_struct_type (current); |
1124 | break; |
1125 | case TYPE_USER_STRUCT: |
1126 | write_state_user_struct_type (current); |
1127 | break; |
1128 | case TYPE_UNION: |
1129 | write_state_union_type (current); |
1130 | break; |
1131 | case TYPE_POINTER: |
1132 | write_state_pointer_type (current); |
1133 | break; |
1134 | case TYPE_ARRAY: |
1135 | write_state_array_type (current); |
1136 | break; |
1137 | case TYPE_LANG_STRUCT: |
1138 | write_state_lang_struct_type (current); |
1139 | break; |
1140 | case TYPE_SCALAR: |
1141 | write_state_scalar_type (current); |
1142 | break; |
1143 | case TYPE_STRING: |
1144 | write_state_string_type (current); |
1145 | break; |
1146 | } |
1147 | } |
1148 | |
1149 | /* Terminate the "type" s-expression. */ |
1150 | end_s_expr (); |
1151 | } |
1152 | |
1153 | |
1154 | /* Write a pair. */ |
1155 | void |
1156 | state_writer::write_state_pair (pair_p current) |
1157 | { |
1158 | if (current == NULLnullptr) |
1159 | { |
1160 | write_any_indent (0); |
1161 | fprintf (state_file, "nil)"); |
1162 | return; |
1163 | } |
1164 | |
1165 | begin_s_expr ("pair"); |
1166 | |
1167 | if (current->name != NULLnullptr) |
1168 | write_state_a_string (current->name); |
1169 | else |
1170 | write_state_a_string ("nil"); |
1171 | |
1172 | write_state_type (current->type); |
1173 | write_state_fileloc (&(current->line)); |
1174 | write_state_options (current->opt); |
1175 | |
1176 | /* Terminate the "pair" s-expression. */ |
1177 | end_s_expr (); |
1178 | } |
1179 | |
1180 | /* Write a pair list and return the number of pairs written. */ |
1181 | int |
1182 | state_writer::write_state_pair_list (pair_p list) |
1183 | { |
1184 | int nbpair = 0; |
1185 | pair_p current; |
1186 | |
1187 | for (current = list; current != NULLnullptr; current = current->next) |
1188 | { |
1189 | write_state_pair (current); |
1190 | nbpair++; |
1191 | } |
1192 | return nbpair; |
1193 | |
1194 | } |
1195 | |
1196 | /* When writing imported linked lists, like typedefs, structures, ... we count |
1197 | their length first and write it. This eases the reading, and enables an |
1198 | extra verification on the number of actually read items. */ |
1199 | |
1200 | /* Write our typedefs. */ |
1201 | void |
1202 | state_writer::write_state_typedefs (void) |
1203 | { |
1204 | int nbtypedefs = pair_list_length (typedefs); |
1205 | int nbpairs = 0; |
1206 | begin_s_expr ("typedefs"); |
1207 | fprintf (state_file, "%d", nbtypedefs); |
1208 | nbpairs = write_state_pair_list (typedefs); |
1209 | gcc_assert (nbpairs == nbtypedefs)((void)(!(nbpairs == nbtypedefs) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" , 1209, __FUNCTION__), 0 : 0)); |
1210 | end_s_expr (); |
1211 | if (verbosity_level >= 2) |
1212 | printf ("%s wrote %d typedefs\n", progname, nbtypedefs); |
1213 | } |
1214 | |
1215 | /* Write our structures. */ |
1216 | void |
1217 | state_writer::write_state_structures (void) |
1218 | { |
1219 | int nbstruct = 0; |
1220 | type_p current; |
1221 | |
1222 | for (current = structures; current != NULLnullptr; current = current->next) |
1223 | nbstruct++; |
1224 | |
1225 | begin_s_expr ("structures"); |
1226 | fprintf (state_file, "%d", nbstruct); |
1227 | |
1228 | for (current = structures; current != NULLnullptr; current = current->next) |
1229 | { |
1230 | write_new_line (); |
1231 | write_state_type (current); |
1232 | } |
1233 | |
1234 | /* Terminate the "structures" s-expression. */ |
1235 | end_s_expr (); |
1236 | if (verbosity_level >= 2) |
1237 | printf ("%s wrote %d structures in state\n", progname, nbstruct); |
1238 | } |
1239 | |
1240 | /* Write our variables. */ |
1241 | void |
1242 | state_writer::write_state_variables (void) |
1243 | { |
1244 | int nbvars = pair_list_length (variables); |
1245 | int nbpairs = 0; |
1246 | begin_s_expr ("variables"); |
1247 | fprintf (state_file, "%d", nbvars); |
1248 | nbpairs = write_state_pair_list (variables); |
1249 | gcc_assert (nbpairs == nbvars)((void)(!(nbpairs == nbvars) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" , 1249, __FUNCTION__), 0 : 0)); |
1250 | end_s_expr (); |
1251 | if (verbosity_level >= 2) |
1252 | printf ("%s wrote %d variables.\n", progname, nbvars); |
1253 | } |
1254 | |
1255 | /* Write the source directory. File locations within the source |
1256 | directory have been written specifically. */ |
1257 | void |
1258 | state_writer::write_state_srcdir (void) |
1259 | { |
1260 | begin_s_expr ("srcdir"); |
1261 | write_state_a_string (srcdir); |
1262 | end_s_expr (); |
1263 | } |
1264 | |
1265 | /* Count and write the list of our files. */ |
1266 | void |
1267 | state_writer::write_state_files_list (void) |
1268 | { |
1269 | int i = 0; |
1270 | /* Write the list of files with their lang_bitmap. */ |
1271 | begin_s_expr ("fileslist"); |
1272 | fprintf (state_file, "%d", (int) num_gt_files); |
1273 | for (i = 0; i < (int) num_gt_files; i++) |
1274 | { |
1275 | const char *cursrcrelpath = NULLnullptr; |
1276 | const input_file *curfil = gt_files[i]; |
1277 | /* Most of the files are inside $(srcdir) so it is worth to |
1278 | handle them specially. */ |
1279 | cursrcrelpath = get_file_srcdir_relative_path (curfil); |
1280 | if (cursrcrelpath) |
1281 | { |
1282 | begin_s_expr ("srcfile"); |
1283 | fprintf (state_file, "%d ", get_lang_bitmap (curfil)); |
1284 | write_state_a_string (cursrcrelpath); |
1285 | } |
1286 | else |
1287 | { |
1288 | begin_s_expr ("file"); |
1289 | fprintf (state_file, "%d ", get_lang_bitmap (curfil)); |
1290 | write_state_a_string (get_input_file_name (curfil)); |
1291 | } |
1292 | /* Terminate the inner s-expression (either "srcfile" or "file"). */ |
1293 | end_s_expr (); |
1294 | } |
1295 | /* Terminate the "fileslist" s-expression. */ |
1296 | end_s_expr (); |
1297 | } |
1298 | |
1299 | /* Write the list of GCC front-end languages. */ |
1300 | void |
1301 | state_writer::write_state_languages (void) |
1302 | { |
1303 | int i = 0; |
1304 | begin_s_expr ("languages"); |
1305 | fprintf (state_file, "%d", (int) num_lang_dirs); |
1306 | for (i = 0; i < (int) num_lang_dirs; i++) |
1307 | { |
1308 | /* Languages names are identifiers, we expect only letters or |
1309 | underscores or digits in them. In particular, C++ is not a |
1310 | valid language name, but cp is valid. */ |
1311 | fprintf (state_file, " %s", lang_dir_names[i]); |
1312 | } |
1313 | end_s_expr (); |
1314 | } |
1315 | |
1316 | /* Write the trailer. */ |
1317 | static void |
1318 | write_state_trailer (void) |
1319 | { |
1320 | /* This test should probably catch IO errors like disk full... */ |
1321 | if (fputs ("\n(!endfile)\n", state_file)fputs_unlocked ("\n(!endfile)\n", state_file) == EOF(-1)) |
1322 | fatal ("failed to write state trailer [%s]", xstrerror (errno(*__errno_location ()))); |
1323 | } |
1324 | |
1325 | /* The write_state routine is the only writing routine called by main |
1326 | in gengtype.c. To avoid messing the state if gengtype is |
1327 | interrupted or aborted, we write a temporary file and rename it |
1328 | after having written it in totality. */ |
1329 | void |
1330 | write_state (const char *state_path) |
1331 | { |
1332 | long statelen = 0; |
1333 | time_t now = 0; |
1334 | char *temp_state_path = NULLnullptr; |
1335 | char tempsuffix[40]; |
1336 | time (&now); |
1337 | |
1338 | /* We write a unique temporary file which is renamed when complete |
1339 | * only. So even if gengtype is interrupted, the written state file |
1340 | * won't be partially written, since the temporary file is not yet |
1341 | * renamed in that case. */ |
1342 | memset (tempsuffix, 0, sizeof (tempsuffix)); |
1343 | snprintf (tempsuffix, sizeof (tempsuffix) - 1, "-%ld-%d.tmp", (long) now, |
1344 | (int) getpid ()); |
1345 | temp_state_path = concat (state_path, tempsuffix, NULLnullptr); |
1346 | state_file = fopen (temp_state_path, "w")fopen_unlocked (temp_state_path, "w"); |
1347 | if (state_file == NULLnullptr) |
1348 | fatal ("Failed to open file %s for writing state: %s", |
1349 | temp_state_path, xstrerror (errno(*__errno_location ()))); |
1350 | if (verbosity_level >= 3) |
1351 | printf ("%s writing state file %s temporarily in %s\n", |
1352 | progname, state_path, temp_state_path); |
1353 | /* This is the first line of the state. Perhaps the file utility |
1354 | could know about that, so don't change it often. */ |
1355 | fprintf (state_file, ";;;;@@@@ GCC gengtype state\n"); |
1356 | /* Output a few comments for humans. */ |
1357 | fprintf (state_file, |
1358 | ";;; DON'T EDIT THIS FILE, since generated by GCC's gengtype\n"); |
1359 | fprintf (state_file, |
1360 | ";;; The format of this file is tied to a particular version of GCC.\n"); |
1361 | fprintf (state_file, |
1362 | ";;; Don't parse this file wihout knowing GCC gengtype internals.\n"); |
1363 | fprintf (state_file, |
1364 | ";;; This file should be parsed by the same %s which wrote it.\n", |
1365 | progname); |
1366 | |
1367 | state_writer sw; |
1368 | |
1369 | /* The first non-comment significant line gives the version string. */ |
1370 | sw.write_state_version (version_string); |
1371 | sw.write_state_srcdir (); |
1372 | sw.write_state_languages (); |
1373 | sw.write_state_files_list (); |
1374 | sw.write_state_structures (); |
1375 | sw.write_state_typedefs (); |
1376 | sw.write_state_variables (); |
1377 | write_state_trailer (); |
1378 | statelen = ftell (state_file); |
1379 | if (ferror (state_file)ferror_unlocked (state_file)) |
1380 | fatal ("output error when writing state file %s [%s]", |
1381 | temp_state_path, xstrerror (errno(*__errno_location ()))); |
1382 | if (fclose (state_file)) |
1383 | fatal ("failed to close state file %s [%s]", |
1384 | temp_state_path, xstrerror (errno(*__errno_location ()))); |
1385 | if (rename (temp_state_path, state_path)) |
1386 | fatal ("failed to rename %s to state file %s [%s]", temp_state_path, |
1387 | state_path, xstrerror (errno(*__errno_location ()))); |
1388 | free (temp_state_path); |
1389 | |
1390 | if (verbosity_level >= 1) |
1391 | printf ("%s wrote state file %s of %ld bytes with %d GTY-ed types\n", |
1392 | progname, state_path, statelen, sw.m_state_written_type_count); |
1393 | |
1394 | } |
1395 | |
1396 | /** End of writing routines! The corresponding reading routines follow. **/ |
1397 | |
1398 | |
1399 | |
1400 | /* Forward declarations, since some read_state_* functions are |
1401 | recursive! */ |
1402 | static void read_state_fileloc (struct fileloc *line); |
1403 | static void read_state_options (options_p *opt); |
1404 | static void read_state_type (type_p *current); |
1405 | static void read_state_pair (pair_p *pair); |
1406 | /* Return the number of pairs actually read. */ |
1407 | static int read_state_pair_list (pair_p *list); |
1408 | static void read_state_fields (pair_p *fields); |
1409 | static void read_state_common_type_content (type_p current); |
1410 | |
1411 | |
1412 | |
1413 | |
1414 | /* Record into the state_seen_types hash-table a type which we are |
1415 | reading, to enable recursive or circular references to it. */ |
1416 | static void |
1417 | record_type (type_p type) |
1418 | { |
1419 | PTRvoid * *slot; |
1420 | |
1421 | slot = htab_find_slot (state_seen_types, type, INSERT); |
1422 | gcc_assert (slot)((void)(!(slot) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" , 1422, __FUNCTION__), 0 : 0)); |
1423 | |
1424 | *slot = type; |
1425 | } |
1426 | |
1427 | /* Read an already seen type. */ |
1428 | static void |
1429 | read_state_already_seen_type (type_p *type) |
1430 | { |
1431 | struct state_token_st *t0 = peek_state_token (0); |
1432 | |
1433 | if (state_token_kind (t0) == STOK_INTEGER) |
1434 | { |
1435 | PTRvoid * *slot = NULLnullptr; |
1436 | struct type loctype = { TYPE_SCALAR, 0, 0, 0, GC_UNUSED, {0} }; |
1437 | |
1438 | loctype.state_number = t0->stok_un.stok_num; |
1439 | slot = htab_find_slot (state_seen_types, &loctype, NO_INSERT); |
1440 | if (slot == NULLnullptr) |
1441 | { |
1442 | fatal_reading_state (t0, "Unknown type"); |
1443 | } |
1444 | |
1445 | next_state_tokens (1); |
1446 | *type = (type_p) *slot; |
1447 | } |
1448 | else |
1449 | { |
1450 | fatal_reading_state (t0, "Bad seen type"); |
1451 | } |
1452 | } |
1453 | |
1454 | |
1455 | /* Read the scalar_nonchar type. */ |
1456 | static void |
1457 | read_state_scalar_nonchar_type (type_p *type) |
1458 | { |
1459 | *type = &scalar_nonchar; |
1460 | read_state_common_type_content (*type); |
1461 | } |
1462 | |
1463 | |
1464 | /* Read the scalar_char type. */ |
1465 | static void |
1466 | read_state_scalar_char_type (type_p *type) |
1467 | { |
1468 | *type = &scalar_char; |
1469 | read_state_common_type_content (*type); |
1470 | } |
1471 | |
1472 | /* Read the string_type. */ |
1473 | static void |
1474 | read_state_string_type (type_p *type) |
1475 | { |
1476 | *type = &string_type; |
1477 | read_state_common_type_content (*type); |
1478 | } |
1479 | |
1480 | |
1481 | /* Read a lang_bitmap representing a set of GCC front-end languages. */ |
1482 | static void |
1483 | read_state_lang_bitmap (lang_bitmap *bitmap) |
1484 | { |
1485 | struct state_token_st *t; |
1486 | |
1487 | t = peek_state_token (0); |
1488 | if (state_token_kind (t) == STOK_INTEGER) |
1489 | { |
1490 | *bitmap = t->stok_un.stok_num; |
1491 | next_state_tokens (1); |
1492 | } |
1493 | else |
1494 | { |
1495 | fatal_reading_state (t, "Bad syntax for bitmap"); |
1496 | } |
1497 | } |
1498 | |
1499 | |
1500 | /* Read an undefined type. */ |
1501 | static void |
1502 | read_state_undefined_type (type_p type) |
1503 | { |
1504 | struct state_token_st *t0; |
1505 | |
1506 | type->kind = TYPE_UNDEFINED; |
1507 | read_state_common_type_content (type); |
1508 | t0 = peek_state_token (0); |
1509 | if (state_token_kind (t0) == STOK_STRING) |
1510 | { |
1511 | if (state_token_is_name (t0, "nil")) |
1512 | { |
1513 | type->u.s.tag = NULLnullptr; |
1514 | DBGPRINTF ("read anonymous undefined type @%p #%d",do {if (do_debug) fprintf (stderr, "%s:%d: " "read anonymous undefined type @%p #%d" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1515, (void *) type, type->state_number);} while (0) |
1515 | (void *) type, type->state_number)do {if (do_debug) fprintf (stderr, "%s:%d: " "read anonymous undefined type @%p #%d" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1515, (void *) type, type->state_number);} while (0); |
1516 | } |
1517 | else |
1518 | { |
1519 | type->u.s.tag = xstrdup (t0->stok_un.stok_string); |
1520 | DBGPRINTF ("read undefined type @%p #%d '%s'",do {if (do_debug) fprintf (stderr, "%s:%d: " "read undefined type @%p #%d '%s'" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1521, (void *) type, type->state_number, type->u.s.tag );} while (0) |
1521 | (void *) type, type->state_number, type->u.s.tag)do {if (do_debug) fprintf (stderr, "%s:%d: " "read undefined type @%p #%d '%s'" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1521, (void *) type, type->state_number, type->u.s.tag );} while (0); |
1522 | } |
1523 | |
1524 | next_state_tokens (1); |
1525 | read_state_fileloc (&(type->u.s.line)); |
1526 | } |
1527 | else |
1528 | { |
1529 | fatal_reading_state (t0, "Bad tag in undefined type"); |
1530 | } |
1531 | } |
1532 | |
1533 | |
1534 | /* Read a GTY-ed struct type. */ |
1535 | static void |
1536 | read_state_struct_type (type_p type) |
1537 | { |
1538 | struct state_token_st *t0; |
1539 | |
1540 | type->kind = TYPE_STRUCT; |
1541 | read_state_common_type_content (type); |
1542 | t0 = peek_state_token (0); |
1543 | if (state_token_kind (t0) == STOK_STRING) |
1544 | { |
1545 | if (state_token_is_name (t0, "nil")) |
1546 | { |
1547 | type->u.s.tag = NULLnullptr; |
1548 | DBGPRINTF ("read anonymous struct type @%p #%d",do {if (do_debug) fprintf (stderr, "%s:%d: " "read anonymous struct type @%p #%d" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1549, (void *) type, type->state_number);} while (0) |
1549 | (void *) type, type->state_number)do {if (do_debug) fprintf (stderr, "%s:%d: " "read anonymous struct type @%p #%d" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1549, (void *) type, type->state_number);} while (0); |
1550 | } |
1551 | else |
1552 | { |
1553 | type->u.s.tag = xstrdup (t0->stok_un.stok_string); |
1554 | DBGPRINTF ("read struct type @%p #%d '%s'",do {if (do_debug) fprintf (stderr, "%s:%d: " "read struct type @%p #%d '%s'" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1555, (void *) type, type->state_number, type->u.s.tag );} while (0) |
1555 | (void *) type, type->state_number, type->u.s.tag)do {if (do_debug) fprintf (stderr, "%s:%d: " "read struct type @%p #%d '%s'" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1555, (void *) type, type->state_number, type->u.s.tag );} while (0); |
1556 | } |
1557 | |
1558 | next_state_tokens (1); |
1559 | read_state_fileloc (&(type->u.s.line)); |
1560 | read_state_fields (&(type->u.s.fields)); |
1561 | read_state_options (&(type->u.s.opt)); |
1562 | read_state_lang_bitmap (&(type->u.s.bitmap)); |
1563 | read_state_type (&(type->u.s.lang_struct)); |
1564 | read_state_type (&(type->u.s.base_class)); |
1565 | if (type->u.s.base_class) |
1566 | add_subclass (type->u.s.base_class, type); |
1567 | } |
1568 | else |
1569 | { |
1570 | fatal_reading_state (t0, "Bad tag in struct type"); |
1571 | } |
1572 | } |
1573 | |
1574 | |
1575 | /* Read a GTY-ed user-provided struct TYPE. */ |
1576 | |
1577 | static void |
1578 | read_state_user_struct_type (type_p type) |
1579 | { |
1580 | struct state_token_st *t0; |
1581 | |
1582 | type->kind = TYPE_USER_STRUCT; |
1583 | read_state_common_type_content (type); |
1584 | t0 = peek_state_token (0); |
1585 | if (state_token_kind (t0) == STOK_STRING) |
1586 | { |
1587 | if (state_token_is_name (t0, "nil")) |
1588 | { |
1589 | type->u.s.tag = NULLnullptr; |
1590 | DBGPRINTF ("read anonymous struct type @%p #%d",do {if (do_debug) fprintf (stderr, "%s:%d: " "read anonymous struct type @%p #%d" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1591, (void *) type, type->state_number);} while (0) |
1591 | (void *) type, type->state_number)do {if (do_debug) fprintf (stderr, "%s:%d: " "read anonymous struct type @%p #%d" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1591, (void *) type, type->state_number);} while (0); |
1592 | } |
1593 | else |
1594 | { |
1595 | type->u.s.tag = xstrdup (t0->stok_un.stok_string); |
1596 | DBGPRINTF ("read struct type @%p #%d '%s'",do {if (do_debug) fprintf (stderr, "%s:%d: " "read struct type @%p #%d '%s'" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1597, (void *) type, type->state_number, type->u.s.tag );} while (0) |
1597 | (void *) type, type->state_number, type->u.s.tag)do {if (do_debug) fprintf (stderr, "%s:%d: " "read struct type @%p #%d '%s'" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1597, (void *) type, type->state_number, type->u.s.tag );} while (0); |
1598 | } |
1599 | |
1600 | next_state_tokens (1); |
1601 | read_state_fileloc (&(type->u.s.line)); |
1602 | read_state_fields (&(type->u.s.fields)); |
1603 | } |
1604 | else |
1605 | { |
1606 | fatal_reading_state (t0, "Bad tag in user-struct type"); |
1607 | } |
1608 | } |
1609 | |
1610 | |
1611 | /* Read a GTY-ed union type. */ |
1612 | static void |
1613 | read_state_union_type (type_p type) |
1614 | { |
1615 | struct state_token_st *t0; |
1616 | |
1617 | type->kind = TYPE_UNION; |
1618 | read_state_common_type_content (type); |
1619 | t0 = peek_state_token (0); |
1620 | if (state_token_kind (t0) == STOK_STRING) |
1621 | { |
1622 | if (state_token_is_name (t0, "nil")) |
1623 | { |
1624 | type->u.s.tag = NULLnullptr; |
1625 | DBGPRINTF ("read anonymous union type @%p #%d",do {if (do_debug) fprintf (stderr, "%s:%d: " "read anonymous union type @%p #%d" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1626, (void *) type, type->state_number);} while (0) |
1626 | (void *) type, type->state_number)do {if (do_debug) fprintf (stderr, "%s:%d: " "read anonymous union type @%p #%d" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1626, (void *) type, type->state_number);} while (0); |
1627 | } |
1628 | else |
1629 | { |
1630 | type->u.s.tag = xstrdup (t0->stok_un.stok_string); |
1631 | DBGPRINTF ("read union type @%p #%d '%s'",do {if (do_debug) fprintf (stderr, "%s:%d: " "read union type @%p #%d '%s'" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1632, (void *) type, type->state_number, type->u.s.tag );} while (0) |
1632 | (void *) type, type->state_number, type->u.s.tag)do {if (do_debug) fprintf (stderr, "%s:%d: " "read union type @%p #%d '%s'" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1632, (void *) type, type->state_number, type->u.s.tag );} while (0); |
1633 | } |
1634 | next_state_tokens (1); |
1635 | read_state_fileloc (&(type->u.s.line)); |
1636 | read_state_fields (&(type->u.s.fields)); |
1637 | read_state_options (&(type->u.s.opt)); |
1638 | read_state_lang_bitmap (&(type->u.s.bitmap)); |
1639 | read_state_type (&(type->u.s.lang_struct)); |
1640 | } |
1641 | else |
1642 | fatal_reading_state (t0, "Bad tag in union type"); |
1643 | } |
1644 | |
1645 | |
1646 | /* Read a GTY-ed pointer type. */ |
1647 | static void |
1648 | read_state_pointer_type (type_p type) |
1649 | { |
1650 | type->kind = TYPE_POINTER; |
1651 | read_state_common_type_content (type); |
1652 | DBGPRINTF ("read pointer type @%p #%d", (void *) type, type->state_number)do {if (do_debug) fprintf (stderr, "%s:%d: " "read pointer type @%p #%d" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1652, (void *) type, type->state_number);} while (0); |
1653 | read_state_type (&(type->u.p)); |
1654 | } |
1655 | |
1656 | |
1657 | /* Read a GTY-ed array type. */ |
1658 | static void |
1659 | read_state_array_type (type_p type) |
1660 | { |
1661 | struct state_token_st *t0; |
1662 | |
1663 | type->kind = TYPE_ARRAY; |
1664 | read_state_common_type_content (type); |
1665 | t0 = peek_state_token (0); |
1666 | if (state_token_kind (t0) == STOK_STRING) |
1667 | { |
1668 | type->u.a.len = xstrdup (t0->stok_un.stok_string); |
1669 | DBGPRINTF ("read array type @%p #%d length '%s'",do {if (do_debug) fprintf (stderr, "%s:%d: " "read array type @%p #%d length '%s'" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1670, (void *) type, type->state_number, type->u.a.len );} while (0) |
1670 | (void *) type, type->state_number, type->u.a.len)do {if (do_debug) fprintf (stderr, "%s:%d: " "read array type @%p #%d length '%s'" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1670, (void *) type, type->state_number, type->u.a.len );} while (0); |
1671 | next_state_tokens (1); |
1672 | } |
1673 | |
1674 | else if (state_token_is_name (t0, "nil")) |
1675 | { |
1676 | type->u.a.len = NULLnullptr; |
1677 | DBGPRINTF ("read array type @%p #%d without length",do {if (do_debug) fprintf (stderr, "%s:%d: " "read array type @%p #%d without length" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1678, (void *) type, type->state_number);} while (0) |
1678 | (void *) type, type->state_number)do {if (do_debug) fprintf (stderr, "%s:%d: " "read array type @%p #%d without length" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1678, (void *) type, type->state_number);} while (0); |
1679 | next_state_tokens (1); |
1680 | } |
1681 | |
1682 | else |
1683 | fatal_reading_state (t0, "Bad array name type"); |
1684 | read_state_type (&(type->u.a.p)); |
1685 | } |
1686 | |
1687 | |
1688 | |
1689 | /* Read a lang_struct type for GTY-ed struct-s which depends upon GCC |
1690 | front-end languages. This is a tricky function and it was painful |
1691 | to debug. Change it with extreme care. See also |
1692 | write_state_lang_struct_type. */ |
1693 | static void |
1694 | read_state_lang_struct_type (type_p type) |
1695 | { |
1696 | struct state_token_st *t0 = NULLnullptr; |
1697 | struct state_token_st *t1 = NULLnullptr; |
1698 | struct state_token_st *t2 = NULLnullptr; |
1699 | |
1700 | type->kind = TYPE_LANG_STRUCT; |
1701 | read_state_common_type_content (type); |
1702 | t0 = peek_state_token (0); |
1703 | if (state_token_kind (t0) == STOK_STRING) |
1704 | { |
1705 | if (state_token_is_name (t0, "nil")) |
1706 | { |
1707 | DBGPRINTF ("read anonymous lang_struct type @%p #%d",do {if (do_debug) fprintf (stderr, "%s:%d: " "read anonymous lang_struct type @%p #%d" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1708, (void *) type, type->state_number);} while (0) |
1708 | (void *) type, type->state_number)do {if (do_debug) fprintf (stderr, "%s:%d: " "read anonymous lang_struct type @%p #%d" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1708, (void *) type, type->state_number);} while (0); |
1709 | type->u.s.tag = NULLnullptr; |
1710 | } |
1711 | else |
1712 | { |
1713 | type->u.s.tag = xstrdup (t0->stok_un.stok_string); |
1714 | DBGPRINTF ("read lang_struct type @%p #%d '%s'",do {if (do_debug) fprintf (stderr, "%s:%d: " "read lang_struct type @%p #%d '%s'" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1715, (void *) type, type->state_number, type->u.s.tag );} while (0) |
1715 | (void *) type, type->state_number, type->u.s.tag)do {if (do_debug) fprintf (stderr, "%s:%d: " "read lang_struct type @%p #%d '%s'" "\n", lbasename ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" ),1715, (void *) type, type->state_number, type->u.s.tag );} while (0); |
1716 | } |
1717 | next_state_tokens (1); |
1718 | } |
1719 | else |
1720 | fatal_reading_state (t0, "Bad tag in lang struct type"); |
1721 | read_state_fileloc (&(type->u.s.line)); |
1722 | read_state_fields (&(type->u.s.fields)); |
1723 | read_state_options (&(type->u.s.opt)); |
1724 | read_state_lang_bitmap (&(type->u.s.bitmap)); |
1725 | /* Within lang_struct-ures, the lang_struct field is a linked list |
1726 | of homonymous types! */ |
1727 | t0 = peek_state_token (0); |
1728 | t1 = peek_state_token (1); |
1729 | t2 = peek_state_token (2); |
1730 | /* Parse (!homotypes <number-types> <type-1> .... <type-n>) */ |
1731 | if (state_token_kind (t0) == STOK_LEFTPAR |
1732 | && state_token_is_name (t1, "!homotypes") |
1733 | && state_token_kind (t2) == STOK_INTEGER) |
1734 | { |
1735 | type_p *prevty = &type->u.s.lang_struct; |
1736 | int nbhomotype = t2->stok_un.stok_num; |
1737 | int i = 0; |
1738 | t0 = t1 = t2 = NULLnullptr; |
1739 | next_state_tokens (3); |
1740 | for (i = 0; i < nbhomotype; i++) |
1741 | { |
1742 | read_state_type (prevty); |
1743 | t0 = peek_state_token (0); |
1744 | if (*prevty) |
1745 | prevty = &(*prevty)->next; |
1746 | else |
1747 | fatal_reading_state (t0, |
1748 | "expecting type in homotype list for lang_struct"); |
1749 | }; |
1750 | if (state_token_kind (t0) != STOK_RIGHTPAR) |
1751 | fatal_reading_state (t0, |
1752 | "expecting ) in homotype list for lang_struct"); |
1753 | next_state_tokens (1); |
1754 | } |
1755 | else |
1756 | fatal_reading_state (t0, "expecting !homotypes for lang_struct"); |
1757 | } |
1758 | |
1759 | |
1760 | /* Read the gc used information. */ |
1761 | static void |
1762 | read_state_gc_used (enum gc_used_enum *pgus) |
1763 | { |
1764 | struct state_token_st *t0 = peek_state_token (0); |
1765 | if (state_token_is_name (t0, "gc_unused")) |
1766 | *pgus = GC_UNUSED; |
1767 | else if (state_token_is_name (t0, "gc_used")) |
1768 | *pgus = GC_USED; |
1769 | else if (state_token_is_name (t0, "gc_maybe_pointed_to")) |
1770 | *pgus = GC_MAYBE_POINTED_TO; |
1771 | else if (state_token_is_name (t0, "gc_pointed_to")) |
1772 | *pgus = GC_POINTED_TO; |
1773 | else |
1774 | fatal_reading_state (t0, "invalid gc_used information"); |
1775 | next_state_tokens (1); |
1776 | } |
1777 | |
1778 | |
1779 | /* Utility function to read the common content of types. */ |
1780 | static void |
1781 | read_state_common_type_content (type_p current) |
1782 | { |
1783 | struct state_token_st *t0 = peek_state_token (0); |
1784 | |
1785 | if (state_token_kind (t0) == STOK_INTEGER) |
1786 | { |
1787 | current->state_number = t0->stok_un.stok_num; |
1788 | next_state_tokens (1); |
1789 | record_type (current); |
1790 | } |
1791 | else |
1792 | fatal_reading_state_printf (t0,do { struct state_token_st* badtok = t0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "Expected integer for state_number line %d", badtok->stok_file , badtok->stok_line, badtok->stok_col, state_line); else fatal ("%s:%d: Invalid state file; " "Expected integer for state_number line %d" , state_path, state_line, state_line); } while (0) |
1793 | "Expected integer for state_number line %d",do { struct state_token_st* badtok = t0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "Expected integer for state_number line %d", badtok->stok_file , badtok->stok_line, badtok->stok_col, state_line); else fatal ("%s:%d: Invalid state file; " "Expected integer for state_number line %d" , state_path, state_line, state_line); } while (0) |
1794 | state_line)do { struct state_token_st* badtok = t0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "Expected integer for state_number line %d", badtok->stok_file , badtok->stok_line, badtok->stok_col, state_line); else fatal ("%s:%d: Invalid state file; " "Expected integer for state_number line %d" , state_path, state_line, state_line); } while (0); |
1795 | /* We don't read the next field of the type. */ |
1796 | read_state_type (¤t->pointer_to); |
1797 | read_state_gc_used (¤t->gc_used); |
1798 | } |
1799 | |
1800 | |
1801 | /* Read a GTY-ed type. */ |
1802 | void |
1803 | read_state_type (type_p *current) |
1804 | { |
1805 | struct state_token_st *t0 = peek_state_token (0); |
1806 | struct state_token_st *t1 = peek_state_token (1); |
1807 | |
1808 | if (state_token_kind (t0) == STOK_LEFTPAR && |
1809 | state_token_is_name (t1, "!type")) |
1810 | { |
1811 | next_state_tokens (2); |
1812 | t0 = peek_state_token (0); |
1813 | if (state_token_is_name (t0, "already_seen")) |
1814 | { |
1815 | next_state_tokens (1); |
1816 | read_state_already_seen_type (current); |
1817 | } |
1818 | else |
1819 | { |
1820 | t0 = peek_state_token (0); |
1821 | |
1822 | if (state_token_is_name (t0, "scalar_nonchar")) |
1823 | { |
1824 | next_state_tokens (1); |
1825 | read_state_scalar_nonchar_type (current); |
1826 | } |
1827 | else if (state_token_is_name (t0, "scalar_char")) |
1828 | { |
1829 | next_state_tokens (1); |
1830 | read_state_scalar_char_type (current); |
1831 | } |
1832 | else if (state_token_is_name (t0, "string")) |
1833 | { |
1834 | next_state_tokens (1); |
1835 | read_state_string_type (current); |
1836 | } |
1837 | else if (state_token_is_name (t0, "undefined")) |
1838 | { |
1839 | *current = XCNEW (struct type)((struct type *) xcalloc (1, sizeof (struct type))); |
1840 | next_state_tokens (1); |
1841 | read_state_undefined_type (*current); |
1842 | } |
1843 | else if (state_token_is_name (t0, "struct")) |
1844 | { |
1845 | *current = XCNEW (struct type)((struct type *) xcalloc (1, sizeof (struct type))); |
1846 | next_state_tokens (1); |
1847 | read_state_struct_type (*current); |
1848 | } |
1849 | else if (state_token_is_name (t0, "union")) |
1850 | { |
1851 | *current = XCNEW (struct type)((struct type *) xcalloc (1, sizeof (struct type))); |
1852 | next_state_tokens (1); |
1853 | read_state_union_type (*current); |
1854 | } |
1855 | else if (state_token_is_name (t0, "lang_struct")) |
1856 | { |
1857 | *current = XCNEW (struct type)((struct type *) xcalloc (1, sizeof (struct type))); |
1858 | next_state_tokens (1); |
1859 | read_state_lang_struct_type (*current); |
1860 | } |
1861 | else if (state_token_is_name (t0, "pointer")) |
1862 | { |
1863 | *current = XCNEW (struct type)((struct type *) xcalloc (1, sizeof (struct type))); |
1864 | next_state_tokens (1); |
1865 | read_state_pointer_type (*current); |
1866 | } |
1867 | else if (state_token_is_name (t0, "array")) |
1868 | { |
1869 | *current = XCNEW (struct type)((struct type *) xcalloc (1, sizeof (struct type))); |
1870 | next_state_tokens (1); |
1871 | read_state_array_type (*current); |
1872 | } |
1873 | else if (state_token_is_name (t0, "user_struct")) |
1874 | { |
1875 | *current = XCNEW (struct type)((struct type *) xcalloc (1, sizeof (struct type))); |
1876 | next_state_tokens (1); |
1877 | read_state_user_struct_type (*current); |
1878 | } |
1879 | else |
1880 | fatal_reading_state (t0, "bad type in (!type"); |
1881 | } |
1882 | t0 = peek_state_token (0); |
1883 | if (state_token_kind (t0) != STOK_RIGHTPAR) |
1884 | fatal_reading_state (t0, "missing ) in type"); |
1885 | next_state_tokens (1); |
1886 | } |
1887 | else if (state_token_is_name (t0, "nil")) |
1888 | { |
1889 | next_state_tokens (1); |
1890 | *current = NULLnullptr; |
1891 | } |
1892 | else |
1893 | fatal_reading_state (t0, "bad type syntax"); |
1894 | } |
1895 | |
1896 | |
1897 | /* Read a file location. Files within the source directory are dealt |
1898 | with specifically. */ |
1899 | void |
1900 | read_state_fileloc (struct fileloc *floc) |
1901 | { |
1902 | bool issrcfile = false; |
1903 | struct state_token_st *t0 = peek_state_token (0); |
1904 | struct state_token_st *t1 = peek_state_token (1); |
1905 | |
1906 | gcc_assert (floc != NULL)((void)(!(floc != nullptr) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" , 1906, __FUNCTION__), 0 : 0)); |
1907 | gcc_assert (srcdir != NULL)((void)(!(srcdir != nullptr) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/gengtype-state.c" , 1907, __FUNCTION__), 0 : 0)); |
1908 | |
1909 | if (state_token_kind (t0) == STOK_LEFTPAR && |
1910 | (state_token_is_name (t1, "!fileloc") |
1911 | || (issrcfile = state_token_is_name (t1, "!srcfileloc")))) |
1912 | { |
1913 | next_state_tokens (2); |
1914 | t0 = peek_state_token (0); |
1915 | t1 = peek_state_token (1); |
1916 | if (state_token_kind (t0) == STOK_STRING && |
1917 | state_token_kind (t1) == STOK_INTEGER) |
1918 | { |
1919 | char *path = t0->stok_un.stok_string; |
1920 | if (issrcfile) |
1921 | { |
1922 | static const char dirsepstr[2] = { DIR_SEPARATOR'/', (char) 0 }; |
1923 | char *fullpath = concat (srcdir, dirsepstr, path, NULLnullptr); |
1924 | floc->file = input_file_by_name (fullpath); |
1925 | free (fullpath); |
1926 | } |
1927 | else |
1928 | floc->file = input_file_by_name (path); |
1929 | floc->line = t1->stok_un.stok_num; |
1930 | next_state_tokens (2); |
1931 | } |
1932 | else |
1933 | fatal_reading_state (t0, |
1934 | "Bad fileloc syntax, expected path string and line"); |
1935 | t0 = peek_state_token (0); |
1936 | if (state_token_kind (t0) != STOK_RIGHTPAR) |
1937 | fatal_reading_state (t0, "Bad fileloc syntax, expected )"); |
1938 | next_state_tokens (1); |
1939 | } |
1940 | else if (state_token_is_name (t0, "nil")) |
1941 | { |
1942 | next_state_tokens (1); |
1943 | floc->file = NULLnullptr; |
1944 | floc->line = 0; |
1945 | } |
1946 | else |
1947 | fatal_reading_state (t0, "Bad fileloc syntax"); |
1948 | } |
1949 | |
1950 | |
1951 | /* Read the fields of a GTY-ed type. */ |
1952 | void |
1953 | read_state_fields (pair_p *fields) |
1954 | { |
1955 | pair_p tmp = NULLnullptr; |
1956 | struct state_token_st *t0 = peek_state_token (0); |
1957 | struct state_token_st *t1 = peek_state_token (1); |
1958 | struct state_token_st *t2 = peek_state_token (2); |
1959 | |
1960 | if (state_token_kind (t0) == STOK_LEFTPAR |
1961 | && state_token_is_name (t1, "!fields") |
1962 | && state_token_kind (t2) == STOK_INTEGER) |
1963 | { |
1964 | int nbfields = t2->stok_un.stok_num; |
1965 | int nbpairs = 0; |
1966 | next_state_tokens (3); |
1967 | nbpairs = read_state_pair_list (&tmp); |
1968 | t0 = peek_state_token (0); |
1969 | if (nbpairs != nbfields) |
1970 | fatal_reading_state_printfdo { struct state_token_st* badtok = t0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "Mismatched fields number, expected %d got %d", badtok->stok_file , badtok->stok_line, badtok->stok_col, nbpairs, nbfields ); else fatal ("%s:%d: Invalid state file; " "Mismatched fields number, expected %d got %d" , state_path, state_line, nbpairs, nbfields); } while (0) |
1971 | (t0,do { struct state_token_st* badtok = t0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "Mismatched fields number, expected %d got %d", badtok->stok_file , badtok->stok_line, badtok->stok_col, nbpairs, nbfields ); else fatal ("%s:%d: Invalid state file; " "Mismatched fields number, expected %d got %d" , state_path, state_line, nbpairs, nbfields); } while (0) |
1972 | "Mismatched fields number, expected %d got %d", nbpairs, nbfields)do { struct state_token_st* badtok = t0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "Mismatched fields number, expected %d got %d", badtok->stok_file , badtok->stok_line, badtok->stok_col, nbpairs, nbfields ); else fatal ("%s:%d: Invalid state file; " "Mismatched fields number, expected %d got %d" , state_path, state_line, nbpairs, nbfields); } while (0); |
1973 | if (state_token_kind (t0) == STOK_RIGHTPAR) |
1974 | next_state_tokens (1); |
1975 | else |
1976 | fatal_reading_state (t0, "Bad fields expecting )"); |
1977 | } |
1978 | |
1979 | *fields = tmp; |
1980 | } |
1981 | |
1982 | |
1983 | /* Read a string option. */ |
1984 | static void |
1985 | read_state_string_option (options_p opt) |
1986 | { |
1987 | struct state_token_st *t0 = peek_state_token (0); |
1988 | opt->kind = OPTION_STRING; |
1989 | if (state_token_kind (t0) == STOK_STRING) |
1990 | { |
1991 | opt->info.string = xstrdup (t0->stok_un.stok_string); |
1992 | next_state_tokens (1); |
1993 | } |
1994 | else if (state_token_is_name (t0, "nil")) |
1995 | { |
1996 | opt->info.string = NULLnullptr; |
1997 | next_state_tokens (1); |
1998 | } |
1999 | else |
2000 | fatal_reading_state (t0, "Missing name in string option"); |
2001 | } |
2002 | |
2003 | |
2004 | /* Read a type option. */ |
2005 | static void |
2006 | read_state_type_option (options_p opt) |
2007 | { |
2008 | opt->kind = OPTION_TYPE; |
2009 | read_state_type (&(opt->info.type)); |
2010 | } |
2011 | |
2012 | |
2013 | /* Read a nested option. */ |
2014 | static void |
2015 | read_state_nested_option (options_p opt) |
2016 | { |
2017 | struct state_token_st *t0; |
2018 | |
2019 | opt->info.nested = XCNEW (struct nested_ptr_data)((struct nested_ptr_data *) xcalloc (1, sizeof (struct nested_ptr_data ))); |
2020 | opt->kind = OPTION_NESTED; |
2021 | read_state_type (&(opt->info.nested->type)); |
2022 | t0 = peek_state_token (0); |
2023 | if (state_token_kind (t0) == STOK_STRING) |
2024 | { |
2025 | opt->info.nested->convert_from = xstrdup (t0->stok_un.stok_string); |
2026 | next_state_tokens (1); |
2027 | } |
2028 | else if (state_token_is_name (t0, "nil")) |
2029 | { |
2030 | opt->info.nested->convert_from = NULLnullptr; |
2031 | next_state_tokens (1); |
2032 | } |
2033 | else |
2034 | fatal_reading_state (t0, "Bad nested convert_from option"); |
2035 | |
2036 | t0 = peek_state_token (0); |
2037 | if (state_token_kind (t0) == STOK_STRING) |
2038 | { |
2039 | opt->info.nested->convert_to = xstrdup (t0->stok_un.stok_string); |
2040 | next_state_tokens (1); |
2041 | } |
2042 | else if (state_token_is_name (t0, "nil")) |
2043 | { |
2044 | opt->info.nested->convert_to = NULLnullptr; |
2045 | next_state_tokens (1); |
2046 | } |
2047 | else |
2048 | fatal_reading_state (t0, "Bad nested convert_from option"); |
2049 | } |
2050 | |
2051 | |
2052 | /* Read an GTY option. */ |
2053 | static void |
2054 | read_state_option (options_p *opt) |
2055 | { |
2056 | struct state_token_st *t0 = peek_state_token (0); |
2057 | struct state_token_st *t1 = peek_state_token (1); |
2058 | |
2059 | if (state_token_kind (t0) == STOK_LEFTPAR && |
2060 | state_token_is_name (t1, "!option")) |
2061 | { |
2062 | next_state_tokens (2); |
2063 | t0 = peek_state_token (0); |
2064 | if (state_token_kind (t0) == STOK_NAME) |
2065 | { |
2066 | *opt = XCNEW (struct options)((struct options *) xcalloc (1, sizeof (struct options))); |
2067 | if (state_token_is_name (t0, "nil")) |
2068 | (*opt)->name = NULLnullptr; |
2069 | else |
2070 | (*opt)->name = t0->stok_un.stok_ident->stid_name; |
2071 | next_state_tokens (1); |
2072 | t0 = peek_state_token (0); |
2073 | if (state_token_kind (t0) == STOK_NAME) |
2074 | { |
2075 | if (state_token_is_name (t0, "string")) |
2076 | { |
2077 | next_state_tokens (1); |
2078 | read_state_string_option (*opt); |
2079 | } |
2080 | else if (state_token_is_name (t0, "type")) |
2081 | { |
2082 | next_state_tokens (1); |
2083 | read_state_type_option (*opt); |
2084 | } |
2085 | else if (state_token_is_name (t0, "nested")) |
2086 | { |
2087 | next_state_tokens (1); |
2088 | read_state_nested_option (*opt); |
2089 | } |
2090 | else |
2091 | fatal_reading_state (t0, "Bad option type"); |
2092 | t0 = peek_state_token (0); |
2093 | if (state_token_kind (t0) != STOK_RIGHTPAR) |
2094 | fatal_reading_state (t0, "Bad syntax in option, expecting )"); |
2095 | |
2096 | next_state_tokens (1); |
2097 | } |
2098 | else |
2099 | fatal_reading_state (t0, "Missing option type"); |
2100 | } |
2101 | else |
2102 | fatal_reading_state (t0, "Bad name for option"); |
2103 | } |
2104 | else |
2105 | fatal_reading_state (t0, "Bad option, waiting for )"); |
2106 | } |
2107 | |
2108 | /* Read a list of options. */ |
2109 | void |
2110 | read_state_options (options_p *opt) |
2111 | { |
2112 | options_p head = NULLnullptr; |
2113 | options_p previous = NULLnullptr; |
2114 | options_p current_option = NULLnullptr; |
2115 | struct state_token_st *t0 = peek_state_token (0); |
2116 | struct state_token_st *t1 = peek_state_token (1); |
2117 | |
2118 | if (state_token_kind (t0) == STOK_LEFTPAR && |
2119 | state_token_is_name (t1, "!options")) |
2120 | { |
2121 | next_state_tokens (2); |
2122 | t0 = peek_state_token (0); |
2123 | while (state_token_kind (t0) != STOK_RIGHTPAR) |
2124 | { |
2125 | read_state_option (¤t_option); |
2126 | if (head == NULLnullptr) |
2127 | { |
2128 | head = current_option; |
2129 | previous = head; |
2130 | } |
2131 | else |
2132 | { |
2133 | previous->next = current_option; |
2134 | previous = current_option; |
2135 | } |
2136 | t0 = peek_state_token (0); |
2137 | } |
2138 | next_state_tokens (1); |
2139 | } |
2140 | else if (state_token_is_name (t0, "nil")) |
2141 | { |
2142 | next_state_tokens (1); |
2143 | } |
2144 | else |
2145 | fatal_reading_state (t0, "Bad options syntax"); |
2146 | |
2147 | *opt = head; |
2148 | } |
2149 | |
2150 | |
2151 | /* Read a version, and check against the version of the gengtype. */ |
2152 | static void |
2153 | read_state_version (const char *version_string) |
2154 | { |
2155 | struct state_token_st *t0 = peek_state_token (0); |
2156 | struct state_token_st *t1 = peek_state_token (1); |
2157 | |
2158 | if (state_token_kind (t0) == STOK_LEFTPAR && |
2159 | state_token_is_name (t1, "!version")) |
2160 | { |
2161 | next_state_tokens (2); |
2162 | t0 = peek_state_token (0); |
2163 | t1 = peek_state_token (1); |
2164 | if (state_token_kind (t0) == STOK_STRING && |
2165 | state_token_kind (t1) == STOK_RIGHTPAR) |
2166 | { |
2167 | /* Check that the read version string is the same as current |
2168 | version. */ |
2169 | if (strcmp (version_string, t0->stok_un.stok_string)) |
2170 | fatal_reading_state_printf (t0,do { struct state_token_st* badtok = t0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "version string mismatch; expecting %s but got %s", badtok-> stok_file, badtok->stok_line, badtok->stok_col, version_string , t0->stok_un.stok_string); else fatal ("%s:%d: Invalid state file; " "version string mismatch; expecting %s but got %s", state_path , state_line, version_string, t0->stok_un.stok_string); } while (0) |
2171 | "version string mismatch; expecting %s but got %s",do { struct state_token_st* badtok = t0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "version string mismatch; expecting %s but got %s", badtok-> stok_file, badtok->stok_line, badtok->stok_col, version_string , t0->stok_un.stok_string); else fatal ("%s:%d: Invalid state file; " "version string mismatch; expecting %s but got %s", state_path , state_line, version_string, t0->stok_un.stok_string); } while (0) |
2172 | version_string,do { struct state_token_st* badtok = t0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "version string mismatch; expecting %s but got %s", badtok-> stok_file, badtok->stok_line, badtok->stok_col, version_string , t0->stok_un.stok_string); else fatal ("%s:%d: Invalid state file; " "version string mismatch; expecting %s but got %s", state_path , state_line, version_string, t0->stok_un.stok_string); } while (0) |
2173 | t0->stok_un.stok_string)do { struct state_token_st* badtok = t0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "version string mismatch; expecting %s but got %s", badtok-> stok_file, badtok->stok_line, badtok->stok_col, version_string , t0->stok_un.stok_string); else fatal ("%s:%d: Invalid state file; " "version string mismatch; expecting %s but got %s", state_path , state_line, version_string, t0->stok_un.stok_string); } while (0); |
2174 | next_state_tokens (2); |
2175 | } |
2176 | else |
2177 | fatal_reading_state (t0, "Missing version or right parenthesis"); |
2178 | } |
2179 | else |
2180 | fatal_reading_state (t0, "Bad version syntax"); |
2181 | } |
2182 | |
2183 | |
2184 | /* Read a pair. */ |
2185 | void |
2186 | read_state_pair (pair_p *current) |
2187 | { |
2188 | struct state_token_st *t0 = peek_state_token (0); |
2189 | struct state_token_st *t1 = peek_state_token (1); |
2190 | if (state_token_kind (t0) == STOK_LEFTPAR && |
2191 | state_token_is_name (t1, "!pair")) |
2192 | { |
2193 | *current = XCNEW (struct pair)((struct pair *) xcalloc (1, sizeof (struct pair))); |
2194 | next_state_tokens (2); |
2195 | t0 = peek_state_token (0); |
2196 | if (state_token_kind (t0) == STOK_STRING) |
2197 | { |
2198 | if (strcmp (t0->stok_un.stok_string, "nil") == 0) |
2199 | { |
2200 | (*current)->name = NULLnullptr; |
2201 | } |
2202 | else |
2203 | { |
2204 | (*current)->name = xstrdup (t0->stok_un.stok_string); |
2205 | } |
2206 | next_state_tokens (1); |
2207 | read_state_type (&((*current)->type)); |
2208 | read_state_fileloc (&((*current)->line)); |
2209 | read_state_options (&((*current)->opt)); |
2210 | t0 = peek_state_token (0); |
2211 | if (state_token_kind (t0) == STOK_RIGHTPAR) |
2212 | { |
2213 | next_state_tokens (1); |
2214 | } |
2215 | else |
2216 | { |
2217 | fatal_reading_state (t0, "Bad syntax for pair, )"); |
2218 | } |
2219 | } |
2220 | else |
2221 | { |
2222 | fatal_reading_state (t0, "Bad name for pair"); |
2223 | } |
2224 | } |
2225 | else if (state_token_kind (t0) == STOK_NAME && |
2226 | state_token_is_name (t0, "nil")) |
2227 | { |
2228 | next_state_tokens (1); |
2229 | *current = NULLnullptr; |
2230 | } |
2231 | else |
2232 | fatal_reading_state_printf (t0, "Bad syntax for pair, (!pair %d",do { struct state_token_st* badtok = t0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "Bad syntax for pair, (!pair %d", badtok->stok_file, badtok ->stok_line, badtok->stok_col, state_token->stok_kind ); else fatal ("%s:%d: Invalid state file; " "Bad syntax for pair, (!pair %d" , state_path, state_line, state_token->stok_kind); } while (0) |
2233 | state_token->stok_kind)do { struct state_token_st* badtok = t0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "Bad syntax for pair, (!pair %d", badtok->stok_file, badtok ->stok_line, badtok->stok_col, state_token->stok_kind ); else fatal ("%s:%d: Invalid state file; " "Bad syntax for pair, (!pair %d" , state_path, state_line, state_token->stok_kind); } while (0); |
2234 | } |
2235 | |
2236 | |
2237 | /* Return the number of pairs actually read. */ |
2238 | int |
2239 | read_state_pair_list (pair_p *list) |
2240 | { |
2241 | int nbpair = 0; |
2242 | pair_p head = NULLnullptr; |
2243 | pair_p previous = NULLnullptr; |
2244 | pair_p tmp = NULLnullptr; |
2245 | struct state_token_st *t0 = peek_state_token (0); |
2246 | while (t0 && state_token_kind (t0) != STOK_RIGHTPAR) |
2247 | { |
2248 | read_state_pair (&tmp); |
2249 | if (head == NULLnullptr) |
2250 | { |
2251 | head = tmp; |
2252 | previous = head; |
2253 | } |
2254 | else |
2255 | { |
2256 | previous->next = tmp; |
2257 | previous = tmp; |
2258 | } |
2259 | t0 = peek_state_token (0); |
2260 | nbpair++; |
2261 | } |
2262 | |
2263 | /* don't consume the ); the caller will eat it. */ |
2264 | *list = head; |
2265 | return nbpair; |
2266 | } |
2267 | |
2268 | /* Read the typedefs. */ |
2269 | static void |
2270 | read_state_typedefs (pair_p *typedefs) |
2271 | { |
2272 | int nbtypedefs = 0; |
2273 | pair_p list = NULLnullptr; |
2274 | struct state_token_st *t0 = peek_state_token (0); |
2275 | struct state_token_st *t1 = peek_state_token (1); |
2276 | struct state_token_st *t2 = peek_state_token (2); |
2277 | |
2278 | if (state_token_kind (t0) == STOK_LEFTPAR |
2279 | && state_token_is_name (t1, "!typedefs") |
2280 | && state_token_kind (t2) == STOK_INTEGER) |
2281 | { |
2282 | int nbpairs = 0; |
2283 | nbtypedefs = t2->stok_un.stok_num; |
2284 | next_state_tokens (3); |
2285 | nbpairs = read_state_pair_list (&list); |
2286 | t0 = peek_state_token (0); |
2287 | if (nbpairs != nbtypedefs) |
2288 | fatal_reading_state_printfdo { struct state_token_st* badtok = t0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "invalid number of typedefs, expected %d but got %d", badtok ->stok_file, badtok->stok_line, badtok->stok_col, nbtypedefs , nbpairs); else fatal ("%s:%d: Invalid state file; " "invalid number of typedefs, expected %d but got %d" , state_path, state_line, nbtypedefs, nbpairs); } while (0) |
2289 | (t0,do { struct state_token_st* badtok = t0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "invalid number of typedefs, expected %d but got %d", badtok ->stok_file, badtok->stok_line, badtok->stok_col, nbtypedefs , nbpairs); else fatal ("%s:%d: Invalid state file; " "invalid number of typedefs, expected %d but got %d" , state_path, state_line, nbtypedefs, nbpairs); } while (0) |
2290 | "invalid number of typedefs, expected %d but got %d",do { struct state_token_st* badtok = t0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "invalid number of typedefs, expected %d but got %d", badtok ->stok_file, badtok->stok_line, badtok->stok_col, nbtypedefs , nbpairs); else fatal ("%s:%d: Invalid state file; " "invalid number of typedefs, expected %d but got %d" , state_path, state_line, nbtypedefs, nbpairs); } while (0) |
2291 | nbtypedefs, nbpairs)do { struct state_token_st* badtok = t0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "invalid number of typedefs, expected %d but got %d", badtok ->stok_file, badtok->stok_line, badtok->stok_col, nbtypedefs , nbpairs); else fatal ("%s:%d: Invalid state file; " "invalid number of typedefs, expected %d but got %d" , state_path, state_line, nbtypedefs, nbpairs); } while (0); |
2292 | if (state_token_kind (t0) == STOK_RIGHTPAR) |
2293 | next_state_tokens (1); |
2294 | else |
2295 | fatal_reading_state (t0, "Bad typedefs syntax )"); |
2296 | } |
2297 | else |
2298 | fatal_reading_state (t0, "Bad typedefs syntax (!typedefs"); |
2299 | |
2300 | if (verbosity_level >= 2) |
2301 | printf ("%s read %d typedefs from state\n", progname, nbtypedefs); |
2302 | *typedefs = list; |
2303 | } |
2304 | |
2305 | |
2306 | /* Read the structures. */ |
2307 | static void |
2308 | read_state_structures (type_p *structures) |
2309 | { |
2310 | type_p head = NULLnullptr; |
2311 | type_p previous = NULLnullptr; |
2312 | type_p tmp; |
2313 | int nbstruct = 0, countstruct = 0; |
2314 | struct state_token_st *t0 = peek_state_token (0); |
2315 | struct state_token_st *t1 = peek_state_token (1); |
2316 | struct state_token_st *t2 = peek_state_token (2); |
2317 | |
2318 | if (state_token_kind (t0) == STOK_LEFTPAR |
2319 | && state_token_is_name (t1, "!structures") |
2320 | && state_token_kind (t2) == STOK_INTEGER) |
2321 | { |
2322 | nbstruct = t2->stok_un.stok_num; |
2323 | next_state_tokens (3); |
2324 | t0 = peek_state_token (0); |
2325 | while (t0 && state_token_kind (t0) != STOK_RIGHTPAR) |
2326 | { |
2327 | tmp = NULLnullptr; |
2328 | read_state_type (&tmp); |
2329 | countstruct++; |
2330 | if (head == NULLnullptr) |
2331 | { |
2332 | head = tmp; |
2333 | previous = head; |
2334 | } |
2335 | else |
2336 | { |
2337 | previous->next = tmp; |
2338 | previous = tmp; |
2339 | } |
2340 | t0 = peek_state_token (0); |
2341 | } |
2342 | next_state_tokens (1); |
2343 | } |
2344 | else |
2345 | fatal_reading_state (t0, "Bad structures syntax"); |
2346 | if (countstruct != nbstruct) |
2347 | fatal_reading_state_printf (NULL_STATE_TOKEN,do { struct state_token_st* badtok = (struct state_token_st*) 0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "expected %d structures but got %d" , badtok->stok_file, badtok->stok_line, badtok->stok_col , nbstruct, countstruct); else fatal ("%s:%d: Invalid state file; " "expected %d structures but got %d", state_path, state_line, nbstruct, countstruct); } while (0) |
2348 | "expected %d structures but got %d",do { struct state_token_st* badtok = (struct state_token_st*) 0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "expected %d structures but got %d" , badtok->stok_file, badtok->stok_line, badtok->stok_col , nbstruct, countstruct); else fatal ("%s:%d: Invalid state file; " "expected %d structures but got %d", state_path, state_line, nbstruct, countstruct); } while (0) |
2349 | nbstruct, countstruct)do { struct state_token_st* badtok = (struct state_token_st*) 0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "expected %d structures but got %d" , badtok->stok_file, badtok->stok_line, badtok->stok_col , nbstruct, countstruct); else fatal ("%s:%d: Invalid state file; " "expected %d structures but got %d", state_path, state_line, nbstruct, countstruct); } while (0); |
2350 | if (verbosity_level >= 2) |
2351 | printf ("%s read %d structures from state\n", progname, nbstruct); |
2352 | *structures = head; |
2353 | } |
2354 | |
2355 | |
2356 | /* Read the variables. */ |
2357 | static void |
2358 | read_state_variables (pair_p *variables) |
2359 | { |
2360 | pair_p list = NULLnullptr; |
2361 | int nbvars = 0; |
2362 | struct state_token_st *t0 = peek_state_token (0); |
2363 | struct state_token_st *t1 = peek_state_token (1); |
2364 | struct state_token_st *t2 = peek_state_token (2); |
2365 | |
2366 | if (state_token_kind (t0) == STOK_LEFTPAR |
2367 | && state_token_is_name (t1, "!variables") |
2368 | && state_token_kind (t2) == STOK_INTEGER) |
2369 | { |
2370 | int nbpairs = 0; |
2371 | nbvars = t2->stok_un.stok_num; |
2372 | next_state_tokens (3); |
2373 | nbpairs = read_state_pair_list (&list); |
2374 | t0 = peek_state_token (0); |
2375 | if (nbpairs != nbvars) |
2376 | fatal_reading_state_printfdo { struct state_token_st* badtok = t0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "Invalid number of variables, expected %d but got %d", badtok ->stok_file, badtok->stok_line, badtok->stok_col, nbvars , nbpairs); else fatal ("%s:%d: Invalid state file; " "Invalid number of variables, expected %d but got %d" , state_path, state_line, nbvars, nbpairs); } while (0) |
2377 | (t0, "Invalid number of variables, expected %d but got %d",do { struct state_token_st* badtok = t0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "Invalid number of variables, expected %d but got %d", badtok ->stok_file, badtok->stok_line, badtok->stok_col, nbvars , nbpairs); else fatal ("%s:%d: Invalid state file; " "Invalid number of variables, expected %d but got %d" , state_path, state_line, nbvars, nbpairs); } while (0) |
2378 | nbvars, nbpairs)do { struct state_token_st* badtok = t0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "Invalid number of variables, expected %d but got %d", badtok ->stok_file, badtok->stok_line, badtok->stok_col, nbvars , nbpairs); else fatal ("%s:%d: Invalid state file; " "Invalid number of variables, expected %d but got %d" , state_path, state_line, nbvars, nbpairs); } while (0); |
2379 | if (state_token_kind (t0) == STOK_RIGHTPAR) |
2380 | next_state_tokens (1); |
2381 | else |
2382 | fatal_reading_state (t0, "Waiting for ) in variables"); |
2383 | } |
2384 | else |
2385 | fatal_reading_state (t0, "Bad variables syntax"); |
2386 | *variables = list; |
2387 | if (verbosity_level >= 2) |
2388 | printf ("%s read %d variables from state\n", progname, nbvars); |
2389 | } |
2390 | |
2391 | |
2392 | /* Read the source directory. */ |
2393 | static void |
2394 | read_state_srcdir (void) |
2395 | { |
2396 | struct state_token_st *t0 = peek_state_token (0); |
2397 | struct state_token_st *t1 = peek_state_token (1); |
2398 | if (state_token_kind (t0) == STOK_LEFTPAR && |
2399 | state_token_is_name (t1, "!srcdir")) |
2400 | { |
2401 | next_state_tokens (2); |
2402 | t0 = peek_state_token (0); |
2403 | t1 = peek_state_token (1); |
2404 | if (state_token_kind (t0) == STOK_STRING && |
2405 | state_token_kind (t1) == STOK_RIGHTPAR) |
2406 | { |
2407 | srcdir = xstrdup (t0->stok_un.stok_string); |
2408 | srcdir_len = strlen (srcdir); |
2409 | next_state_tokens (2); |
2410 | return; |
2411 | } |
2412 | } |
2413 | |
2414 | fatal_reading_state (t0, "Bad srcdir in state_file"); |
2415 | } |
2416 | |
2417 | |
2418 | /* Read the sequence of GCC front-end languages. */ |
2419 | static void |
2420 | read_state_languages (void) |
2421 | { |
2422 | struct state_token_st *t0 = peek_state_token (0); |
2423 | struct state_token_st *t1 = peek_state_token (1); |
2424 | struct state_token_st *t2 = peek_state_token (2); |
2425 | if (state_token_kind (t0) == STOK_LEFTPAR |
2426 | && state_token_is_name (t1, "!languages") |
2427 | && state_token_kind (t2) == STOK_INTEGER) |
2428 | { |
2429 | int i = 0; |
2430 | num_lang_dirs = t2->stok_un.stok_num; |
2431 | lang_dir_names = XCNEWVEC (const char *, num_lang_dirs)((const char * *) xcalloc ((num_lang_dirs), sizeof (const char *))); |
2432 | next_state_tokens (3); |
2433 | t0 = t1 = t2 = NULLnullptr; |
2434 | for (i = 0; i < (int) num_lang_dirs; i++) |
2435 | { |
2436 | t0 = peek_state_token (0); |
2437 | if (state_token_kind (t0) != STOK_NAME) |
2438 | fatal_reading_state (t0, "expecting language name in state file"); |
2439 | lang_dir_names[i] = t0->stok_un.stok_ident->stid_name; |
2440 | next_state_tokens (1); |
2441 | } |
2442 | t0 = peek_state_token (0); |
2443 | if (state_token_kind (t0) != STOK_RIGHTPAR) |
2444 | fatal_reading_state (t0, "missing ) in languages list of state file"); |
2445 | next_state_tokens (1); |
2446 | } |
2447 | else |
2448 | fatal_reading_state (t0, "expecting languages list in state file"); |
2449 | |
2450 | } |
2451 | |
2452 | /* Read the sequence of files. */ |
2453 | static void |
2454 | read_state_files_list (void) |
2455 | { |
2456 | struct state_token_st *t0 = peek_state_token (0); |
2457 | struct state_token_st *t1 = peek_state_token (1); |
2458 | struct state_token_st *t2 = peek_state_token (2); |
2459 | |
2460 | if (state_token_kind (t0) == STOK_LEFTPAR |
2461 | && state_token_is_name (t1, "!fileslist") |
2462 | && state_token_kind (t2) == STOK_INTEGER) |
2463 | { |
2464 | int i = 0; |
2465 | num_gt_files = t2->stok_un.stok_num; |
2466 | next_state_tokens (3); |
2467 | t0 = t1 = t2 = NULLnullptr; |
2468 | gt_files = XCNEWVEC (const input_file *, num_gt_files)((const input_file * *) xcalloc ((num_gt_files), sizeof (const input_file *))); |
2469 | for (i = 0; i < (int) num_gt_files; i++) |
2470 | { |
2471 | bool issrcfile = FALSEfalse; |
2472 | t0 = t1 = t2 = NULLnullptr; |
2473 | t0 = peek_state_token (0); |
2474 | t1 = peek_state_token (1); |
2475 | t2 = peek_state_token (2); |
2476 | if (state_token_kind (t0) == STOK_LEFTPAR |
2477 | && (state_token_is_name (t1, "!file") |
2478 | || (issrcfile = state_token_is_name (t1, "!srcfile"))) |
2479 | && state_token_kind (t2) == STOK_INTEGER) |
2480 | { |
2481 | lang_bitmap bmap = t2->stok_un.stok_num; |
2482 | next_state_tokens (3); |
2483 | t0 = t1 = t2 = NULLnullptr; |
2484 | t0 = peek_state_token (0); |
2485 | t1 = peek_state_token (1); |
2486 | if (state_token_kind (t0) == STOK_STRING |
2487 | && state_token_kind (t1) == STOK_RIGHTPAR) |
2488 | { |
2489 | const char *fnam = t0->stok_un.stok_string; |
2490 | /* Allocate & fill a gt_file entry with space for the lang_bitmap before! */ |
2491 | input_file *curgt = NULLnullptr; |
2492 | if (issrcfile) |
2493 | { |
2494 | static const char dirsepstr[2] = |
2495 | { DIR_SEPARATOR'/', (char) 0 }; |
2496 | char *fullpath = concat (srcdir, dirsepstr, fnam, NULLnullptr); |
2497 | curgt = input_file_by_name (fullpath); |
2498 | free (fullpath); |
2499 | } |
2500 | else |
2501 | curgt = input_file_by_name (fnam); |
2502 | set_lang_bitmap (curgt, bmap); |
2503 | gt_files[i] = curgt; |
2504 | next_state_tokens (2); |
2505 | } |
2506 | else |
2507 | fatal_reading_state (t0, |
2508 | "bad file in !fileslist of state file"); |
2509 | } |
2510 | else |
2511 | fatal_reading_state (t0, |
2512 | "expecting file in !fileslist of state file"); |
2513 | }; |
2514 | t0 = peek_state_token (0); |
2515 | if (state_token_kind (t0) != STOK_RIGHTPAR) |
2516 | fatal_reading_state (t0, "missing ) for !fileslist in state file"); |
2517 | next_state_tokens (1); |
2518 | } |
2519 | else |
2520 | fatal_reading_state (t0, "missing !fileslist in state file"); |
2521 | } |
2522 | |
2523 | |
2524 | /* Read the trailer. */ |
2525 | static void |
2526 | read_state_trailer (void) |
2527 | { |
2528 | struct state_token_st *t0 = peek_state_token (0); |
2529 | struct state_token_st *t1 = peek_state_token (1); |
2530 | struct state_token_st *t2 = peek_state_token (2); |
2531 | |
2532 | if (state_token_kind (t0) == STOK_LEFTPAR |
2533 | && state_token_is_name (t1, "!endfile") |
2534 | && state_token_kind (t2) == STOK_RIGHTPAR) |
2535 | next_state_tokens (3); |
2536 | else |
2537 | fatal_reading_state (t0, "missing !endfile in state file"); |
2538 | } |
2539 | |
2540 | |
2541 | /* Utility functions for the state_seen_types hash table. */ |
2542 | static unsigned |
2543 | hash_type_number (const void *ty) |
2544 | { |
2545 | const struct type *type = (const struct type *) ty; |
2546 | |
2547 | return type->state_number; |
2548 | } |
2549 | |
2550 | static int |
2551 | equals_type_number (const void *ty1, const void *ty2) |
2552 | { |
2553 | const struct type *type1 = (const struct type *) ty1; |
2554 | const struct type *type2 = (const struct type *) ty2; |
2555 | |
2556 | return type1->state_number == type2->state_number; |
2557 | } |
2558 | |
2559 | static int |
2560 | string_eq (const void *a, const void *b) |
2561 | { |
2562 | const char *a0 = (const char *)a; |
2563 | const char *b0 = (const char *)b; |
2564 | |
2565 | return (strcmp (a0, b0) == 0); |
2566 | } |
2567 | |
2568 | |
2569 | /* The function reading the state, called by main from gengtype.c. */ |
2570 | void |
2571 | read_state (const char *path) |
2572 | { |
2573 | state_file = fopen (path, "r")fopen_unlocked (path, "r"); |
2574 | if (state_file == NULLnullptr) |
2575 | fatal ("Failed to open state file %s for reading [%s]", path, |
2576 | xstrerror (errno(*__errno_location ()))); |
2577 | state_path = path; |
2578 | state_line = 1; |
2579 | |
2580 | if (verbosity_level >= 1) |
2581 | { |
2582 | printf ("%s reading state file %s;", progname, state_path); |
2583 | if (verbosity_level >= 2) |
2584 | putchar ('\n')putchar_unlocked ('\n'); |
2585 | fflush (stdout)fflush_unlocked (stdout); |
2586 | } |
2587 | |
2588 | state_seen_types = |
2589 | htab_create (2017, hash_type_number, equals_type_number, NULLnullptr); |
2590 | state_ident_tab = |
2591 | htab_create (4027, htab_hash_string, string_eq, NULLnullptr); |
2592 | read_state_version (version_string); |
2593 | read_state_srcdir (); |
2594 | read_state_languages (); |
2595 | read_state_files_list (); |
2596 | read_state_structures (&structures); |
2597 | if (ferror (state_file)ferror_unlocked (state_file)) |
2598 | fatal_reading_state_printfdo { struct state_token_st* badtok = (struct state_token_st*) 0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "input error while reading state [%s]" , badtok->stok_file, badtok->stok_line, badtok->stok_col , xstrerror ((*__errno_location ()))); else fatal ("%s:%d: Invalid state file; " "input error while reading state [%s]", state_path, state_line , xstrerror ((*__errno_location ()))); } while (0) |
2599 | (NULL_STATE_TOKEN, "input error while reading state [%s]",do { struct state_token_st* badtok = (struct state_token_st*) 0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "input error while reading state [%s]" , badtok->stok_file, badtok->stok_line, badtok->stok_col , xstrerror ((*__errno_location ()))); else fatal ("%s:%d: Invalid state file; " "input error while reading state [%s]", state_path, state_line , xstrerror ((*__errno_location ()))); } while (0) |
2600 | xstrerror (errno))do { struct state_token_st* badtok = (struct state_token_st*) 0; if (badtok) fatal ("%s:%d:%d: Invalid state file; " "input error while reading state [%s]" , badtok->stok_file, badtok->stok_line, badtok->stok_col , xstrerror ((*__errno_location ()))); else fatal ("%s:%d: Invalid state file; " "input error while reading state [%s]", state_path, state_line , xstrerror ((*__errno_location ()))); } while (0); |
2601 | read_state_typedefs (&typedefs); |
2602 | read_state_variables (&variables); |
2603 | read_state_trailer (); |
2604 | |
2605 | if (verbosity_level >= 1) |
2606 | { |
2607 | printf ("%s read %ld bytes.\n", progname, ftell (state_file)); |
2608 | fflush (stdout)fflush_unlocked (stdout); |
2609 | }; |
2610 | |
2611 | if (fclose (state_file)) |
2612 | fatal ("failed to close read state file %s [%s]", |
2613 | path, xstrerror (errno(*__errno_location ()))); |
2614 | state_file = NULLnullptr; |
2615 | state_path = NULLnullptr; |
2616 | } |
2617 | |
2618 | /* End of file gengtype-state.c. */ |