2 ** Splint - annotation-assisted static program checker
3 ** Copyright (C) 1994-2002 University of Virginia,
4 ** Massachusetts Institute of Technology
6 ** This program is free software; you can redistribute it and/or modify it
7 ** under the terms of the GNU General Public License as published by the
8 ** Free Software Foundation; either version 2 of the License, or (at your
9 ** option) any later version.
11 ** This program is distributed in the hope that it will be useful, but
12 ** WITHOUT ANY WARRANTY; without even the implied warranty of
13 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 ** General Public License for more details.
16 ** The GNU General Public License is available from http://www.gnu.org/ or
17 ** the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
18 ** MA 02111-1307, USA.
20 ** For information on lclint: lclint-request@cs.virginia.edu
21 ** To report a bug: lclint-bug@cs.virginia.edu
22 ** For more information: http://www.splint.org
28 * Modified by Herbert 04/19/97:
29 * - added include for new header portab.h containing OS dependent stuff.
30 * - changed occurrances of '/' as path delimiters to macro from portab.h
31 * - changed the handling of the tmp directory -- will no longer always be
32 * ".", if possible, environment variables "TMP" or, if not set, "TMP",
33 * or, if not set "." will be used.
36 # include "lclintMacros.nf"
40 # include "usymtab_interface.h"
43 # include "exprChecks.h"
44 # include "filelocStack.h"
45 # include "fileIdList.h"
51 extern /*@external@*/ int yydebug;
52 extern /*@external@*/ int mtdebug;
64 CX_FUNCTION, CX_FCNDECLARATION,
65 CX_MACROFCN, CX_MACROCONST, CX_UNKNOWNMACRO,
66 CX_ITERDEF, CX_ITEREND,
67 CX_OLDSTYLESCOPE, /* Parsing old-style parameter declarations */
68 CX_LCL, CX_LCLLIB, CX_MT
74 int speclinesprocessed;
76 flagMarkerList markers;
79 ** used to record state where a macro must match a function name
80 ** (i.e., no params were listed in the macro definition
83 bool macroMissingParams BOOLBITS;
84 bool preprocessing BOOLBITS;
85 bool incommandline BOOLBITS;
86 bool insuppressregion BOOLBITS;
87 bool inDerivedFile BOOLBITS;
88 bool instandardlib BOOLBITS;
89 bool inimport BOOLBITS;
90 bool inheader BOOLBITS;
91 bool inmacrocache BOOLBITS;
92 bool protectVars BOOLBITS;
94 bool showfunction BOOLBITS;
95 bool savedFlags BOOLBITS;
96 bool justpopped BOOLBITS;
97 bool anyExports BOOLBITS;
98 bool inFunctionHeader BOOLBITS;
111 filelocStack locstack;
114 /*@observer@*/ sRef aliasAnnote;
115 /*@observer@*/ sRef aliasAnnoteAls;
119 /*@observer@*/ sRefSet mods;
121 /* file access types */
124 /* local access types (this function) */
127 /* no access types (@noaccess) */
130 /*@observer@*/ globSet globs;
131 /*@only@*/ globSet globs_used;
135 /*@reldef@*/ maccesst *moduleaccess; /* Not defined is nmods == 0. */
141 bool flags[NUMFLAGS];
142 bool saveflags[NUMFLAGS];
143 bool setGlobally[NUMFLAGS];
144 bool setLocally[NUMFLAGS];
146 int values[NUMVALUEFLAGS];
147 int counters[NUMVALUEFLAGS];
149 o_cstring strings[NUMSTRINGFLAGS];
150 sRefSetList modrecs; /*@i32 ???? what is this for? */
152 metaStateTable stateTable; /* User-defined state information. */
153 annotationTable annotTable; /* User-defined annotations table. */
158 /*@dependent@*/ /*@exposed@*/ uentry fcn;
162 union u_cont savecont;
165 static /*@exposed@*/ cstring context_exposeString (flagcode p_flag) ;
166 static void context_restoreFlagSettings (void) /*@modifies gc@*/ ;
167 static void context_saveFlagSettings (void) /*@modifies gc@*/ ;
168 static void context_exitClauseAux (exprNode p_pred, exprNode p_tbranch)
170 static void context_exitClauseSimp (void) /*@modifies gc@*/ ;
171 static void context_exitClausePlain (void) /*@modifies gc@*/ ;
172 static void context_setJustPopped (void) /*@modifies gc.justpopped@*/ ;
173 static void context_setValue (flagcode p_flag, int p_val) /*@modifies gc.flags@*/ ;
174 static void context_setFlag (flagcode p_f, bool p_b)
175 /*@modifies gc.flags@*/ ;
178 context_setFlagAux (flagcode p_f, bool p_b, bool p_inFile, bool p_isRestore)
179 /*@modifies gc.flags@*/ ;
181 static void context_restoreFlag (flagcode p_f) /*@modifies gc.flags@*/ ;
185 cstring context_unparseFlagMarkers ()
187 return (flagMarkerList_unparse (gc.markers));
190 void context_setPreprocessing (void)
192 llassert (!gc.preprocessing);
193 gc.preprocessing = TRUE;
196 void context_clearPreprocessing (void)
198 llassert (gc.preprocessing);
199 gc.preprocessing = FALSE;
202 bool context_isPreprocessing (void)
204 return gc.preprocessing;
207 bool context_loadingLibrary (void)
209 return (fileloc_isLib (g_currentloc));
212 bool context_inXHFile (void)
214 return (fileloc_isXHFile (g_currentloc));
217 void context_setInCommandLine (void)
219 llassert (!gc.incommandline);
220 gc.incommandline = TRUE;
223 void context_clearInCommandLine (void)
225 llassert (gc.incommandline);
226 gc.incommandline = FALSE;
229 bool context_isInCommandLine (void)
231 return gc.incommandline;
235 void pushClause (clause c) /*@modifies gc.clauses, gc.inclause@*/
238 clauseStack_push (gc.clauses, c);
240 if (clause_isConditional (c)
241 && context_getFlag (FLG_CONTROLNESTDEPTH))
243 int maxdepth = context_getValue (FLG_CONTROLNESTDEPTH);
244 int depth = clauseStack_controlDepth (gc.clauses);
246 if (depth == maxdepth + 1)
249 (FLG_CONTROLNESTDEPTH,
250 message ("Maximum control nesting depth "
259 clause topClause (clauseStack s) /*@*/
261 if (clauseStack_isEmpty (s)) return NOCLAUSE;
262 return ((clause) clauseStack_top (s));
266 context_addMacroCache (/*@only@*/ cstring def)
268 DPRINTF (("macro cache: %s", def));
269 macrocache_addEntry (gc.mc, fileloc_copy (g_currentloc), def);
273 context_addComment (/*@only@*/ cstring def)
275 DPRINTF (("macro comment: %s", def));
276 macrocache_addComment (gc.mc, fileloc_copy (g_currentloc), def);
280 ** returns TRUE is fl is in ignore region, or region where -code
282 ** the logic is fuzzy...
286 context_inSuppressFlagZone (fileloc fl, flagcode code)
288 ynm ret = flagMarkerList_suppressError (gc.markers, code, fl);
291 if (ynm_isMaybe (ret))
299 res = !gc.saveflags[code];
303 res = !context_getFlag (code);
308 res = ynm_toBoolStrict (ret);
315 context_suppressSystemMsg (fileloc fl)
317 if (context_getFlag (FLG_SYSTEMDIRERRORS))
323 return (fileloc_isSystemFile (fl));
328 context_suppressFlagMsg (flagcode flag, fileloc fl)
330 if (context_suppressSystemMsg (fl))
335 DPRINTF (("Checking suppress: %s / %s", fileloc_unparse (fl), fileloc_unparse (g_currentloc)));
337 /* want same object compare here */
339 if (fileloc_equal (fl, g_currentloc) || gc.inDerivedFile)
341 DPRINTF (("In derived file: %s", bool_unparse (gc.inDerivedFile)));
343 return (!context_getFlag (flag)
344 || context_inSuppressRegion ()
345 || context_inSuppressZone (fl)
346 || (/*@!@@#@ gc.inDerivedFile && */ context_inSuppressFlagZone (fl, flag)));
350 return (context_inSuppressFlagZone (fl, flag));
355 context_suppressNotFlagMsg (flagcode flag, fileloc fl)
358 if (context_suppressSystemMsg (fl))
364 if (fl == g_currentloc)
365 /*@noaccess fileloc@*/
367 return (context_getFlag (flag) || context_inSuppressRegion ());
372 return (context_getFlag (flag) || context_inSuppressRegion ());
377 context_inSuppressZone (fileloc fl)
379 if (context_suppressSystemMsg (fl))
384 return (flagMarkerList_inIgnore (gc.markers, fl));
388 context_inSuppressRegion (void)
390 return (gc.insuppressregion);
394 context_enterSuppressRegion (void)
396 if (gc.insuppressregion)
398 gc.insuppressregion = FALSE; /* get this msg! */
400 ("%q: New ignore errors region entered while in ignore errors region",
401 fileloc_unparse (g_currentloc)));
404 gc.insuppressregion = TRUE;
405 flagMarkerList_add (gc.markers, flagMarker_createIgnoreOn (g_currentloc));
409 context_addFlagMarker (flagcode code, ynm set)
411 flagMarkerList_add (gc.markers,
412 flagMarker_createLocalSet (code, set, g_currentloc));
416 context_enterSuppressLine (int count)
418 fileloc nextline = fileloc_copy (g_currentloc);
420 flagMarkerList_add (gc.markers,
421 flagMarker_createIgnoreCount (count, g_currentloc));
423 fileloc_nextLine (nextline);
424 flagMarkerList_add (gc.markers,
425 flagMarker_createIgnoreOff (nextline));
426 fileloc_free (nextline);
429 void context_checkSuppressCounts (void)
431 if (context_getFlag (FLG_SUPCOUNTS))
433 flagMarkerList_checkSuppressCounts (gc.markers);
437 void context_incLineno (void)
444 context_exitSuppressRegion (void)
446 if (!gc.insuppressregion)
448 llerrorlit (FLG_SYNTAX,
449 "End ignore errors in region while not ignoring errors");
452 gc.insuppressregion = FALSE;
453 flagMarkerList_add (gc.markers, flagMarker_createIgnoreOff (g_currentloc));
457 context_enterMTfile (void)
463 context_exitMTfile (void)
465 llassert (gc.kind == CX_MT);
471 context_enterLCLfile (void)
474 gc.facct = typeIdSet_emptySet ();
479 addModuleAccess (/*@only@*/ cstring fname, typeIdSet mods)
483 for (i = 0; i < gc.nmods; i++)
485 if (cstring_equal (gc.moduleaccess[i].file, fname))
487 gc.moduleaccess[i].daccess = typeIdSet_union (gc.moduleaccess[i].daccess, mods);
488 cstring_free (fname);
493 if (gc.nmods == gc.maxmods)
497 gc.maxmods = gc.maxmods + DEFAULTMAXMODS;
498 oldmods = gc.moduleaccess;
500 gc.moduleaccess = (maccesst *) dmalloc (sizeof (*gc.moduleaccess) * (gc.maxmods));
502 for (i = 0; i < gc.nmods; i++)
504 gc.moduleaccess[i] = oldmods[i];
510 gc.moduleaccess[gc.nmods].file = fname;
511 gc.moduleaccess[gc.nmods].daccess = mods;
517 insertModuleAccess (cstring fname, typeId t)
521 for (i = 0; i < gc.nmods; i++)
523 if (cstring_equal (gc.moduleaccess[i].file, fname))
525 gc.moduleaccess[i].daccess = typeIdSet_insert (gc.moduleaccess[i].daccess, t);
530 addModuleAccess (cstring_copy (fname), typeIdSet_single (t));
535 context_exitLCLfile (void)
537 if (gc.kind != CX_LCLLIB)
540 fileLib_withoutExtension (fileName (currentFile ()), LCL_EXTENSION);
542 addModuleAccess (fileLib_removePath (lclname), gc.facct);
543 cstring_free (lclname);
548 gc.facct = typeIdSet_emptySet ();
553 context_dumpModuleAccess (FILE *fout)
557 for (i = 0; i < gc.nmods; i++)
559 cstring td = typeIdSet_dump (gc.moduleaccess[i].daccess);
561 fprintf (fout, "%s#%s@\n",
562 cstring_toCharsSafe (gc.moduleaccess[i].file),
563 cstring_toCharsSafe (td));
569 bool context_usingPosixLibrary ()
571 return (gc.library == FLG_POSIXLIB
572 || gc.library == FLG_POSIXSTRICTLIB
573 || gc.library == FLG_UNIXLIB
574 || gc.library == FLG_UNIXSTRICTLIB);
577 bool context_usingAnsiLibrary ()
579 return (gc.library != FLG_NOLIB);
582 flagcode context_getLibrary ()
587 void context_setLibrary (flagcode code)
592 /*@observer@*/ cstring context_selectedLibrary ()
597 return cstring_makeLiteralTemp (LLSTRICTLIBS_NAME);
599 return cstring_makeLiteralTemp (LLPOSIXLIBS_NAME);
600 case FLG_POSIXSTRICTLIB:
601 return cstring_makeLiteralTemp (LLPOSIXSTRICTLIBS_NAME);
603 return cstring_makeLiteralTemp (LLUNIXLIBS_NAME);
604 case FLG_UNIXSTRICTLIB:
605 return cstring_makeLiteralTemp (LLUNIXSTRICTLIBS_NAME);
607 return cstring_makeLiteralTemp (LLSTDLIBS_NAME);
614 context_loadModuleAccess (FILE *in)
616 char *s = mstring_create (MAX_DUMP_LINE_LENGTH);
618 char *name = mstring_create (MAX_NAME_LENGTH);
624 while ((reader_readLine (in, s, MAX_DUMP_LINE_LENGTH) != NULL )
630 while (s != NULL && *s != ';' && *s != '\0')
634 while (*s != '#' && *s != '\0')
643 llcontbug (message ("context_loadModuleAccess: bad library line: %s\n",
644 cstring_fromChars (s)));
650 addModuleAccess (cstring_copy (cstring_fromChars (oname)),
651 typeIdSet_undump (&s));
653 (void) reader_readLine (in, s, MAX_DUMP_LINE_LENGTH);
654 llassert (s != lasts);
664 typeIdSet context_fileAccessTypes (void)
670 context_resetModeFlags (void)
675 if (flagcode_isModeFlag (code))
677 context_setFlag (code, FALSE);
686 ** Set all flags to FALSE, except for a few which are
689 ** Set all values and strings to appropriate defaults.
690 ** Set all counters to 0.
694 conext_resetAllCounters (void)
698 for (i = 0; i < NUMVALUEFLAGS; i++)
705 context_resetAllFlags (void)
709 gc.flags[code] = FALSE;
711 if (flagcode_hasValue (code))
715 /*@-loopswitchbreak@*/
719 val = DEFAULT_LIMIT; break;
721 val = DEFAULT_BUGSLIMIT; break;
723 val = DEFAULT_LINELEN; break;
724 case FLG_INDENTSPACES:
725 val = DEFAULT_INDENTSPACES; break;
726 case FLG_EXTERNALNAMELEN:
727 val = DEFAULT_EXTERNALNAMELEN; break;
728 case FLG_INTERNALNAMELEN:
729 val = DEFAULT_INTERNALNAMELEN; break;
730 case FLG_COMMENTCHAR:
731 val = (int) DEFAULT_COMMENTCHAR; break;
732 case FLG_CONTROLNESTDEPTH:
733 val = (int) DEFAULT_CONTROLNESTDEPTH; break;
734 case FLG_STRINGLITERALLEN:
735 val = (int) DEFAULT_STRINGLITERALLEN; break;
736 case FLG_INCLUDENEST:
737 val = (int) DEFAULT_INCLUDENEST; break;
738 case FLG_NUMSTRUCTFIELDS:
739 val = (int) DEFAULT_NUMSTRUCTFIELDS; break;
740 case FLG_NUMENUMMEMBERS:
741 val = (int) DEFAULT_NUMENUMMEMBERS; break;
746 llbug (message ("Bad value flag: %s", flagcode_unparse (code)));
748 /*@=loopswitchbreak@*/
750 context_setValue (code, val);
752 else if (flagcode_hasString (code))
754 cstring val = cstring_undefined;
757 { /*@-loopswitchbreak@*/
760 cstring larchpath = osd_getEnvironmentVariable (LARCH_PATH);
762 if (cstring_isDefined (larchpath))
764 val = cstring_copy (larchpath);
768 val = cstring_makeLiteral (DEFAULT_LARCHPATH);
773 case FLG_LCLIMPORTDIR:
775 val = cstring_copy (osd_getEnvironment (cstring_makeLiteralTemp (LCLIMPORTDIR), cstring_makeLiteralTemp (DEFAULT_LCLIMPORTDIR)));
779 # if defined(OS2) || defined(MSDOS) || defined(WIN32)
781 char *env = osd_getEnvironmentVariable ("TMP");
785 env = osd_getEnvironmentVariable ("TEMP");
788 val = cstring_makeLiteral (env != NULL ? env : DEFAULT_TMPDIR);
791 val = cstring_makeLiteral (DEFAULT_TMPDIR);
792 # endif /* !defined(OS2) && !defined(MSDOS) */
796 val = cstring_makeLiteral (DEFAULT_BOOLTYPE); break;
798 val = cstring_makeLiteral ("FALSE"); break;
800 val = cstring_makeLiteral ("TRUE"); break;
801 case FLG_MACROVARPREFIX:
802 val = cstring_makeLiteral ("m_"); break;
804 val = cstring_makeLiteral (DEFAULT_SYSTEMDIR); break;
807 } /*@=loopswitchbreak@*/
809 context_setString (code, val);
813 ; /* nothing to set */
818 ** These flags are true by default.
821 /*@i34 move this into flags.def */
823 gc.flags[FLG_MODIFIES] = TRUE;
824 gc.flags[FLG_NESTCOMMENT] = TRUE;
825 gc.flags[FLG_GLOBALS] = TRUE;
826 gc.flags[FLG_FULLINITBLOCK] = TRUE;
827 gc.flags[FLG_INITSIZE] = TRUE;
828 gc.flags[FLG_INITALLELEMENTS] = TRUE;
830 gc.flags[FLG_STRINGLITTOOLONG] = TRUE;
832 gc.flags[FLG_LIKELYBOOL] = TRUE;
833 gc.flags[FLG_ZEROPTR] = TRUE;
834 gc.flags[FLG_NUMLITERAL] = TRUE;
835 gc.flags[FLG_DUPLICATEQUALS] = TRUE;
836 gc.flags[FLG_SKIPANSIHEADERS] = TRUE;
837 gc.flags[FLG_SKIPPOSIXHEADERS] = TRUE;
838 gc.flags[FLG_SYSTEMDIREXPAND] = TRUE;
839 gc.flags[FLG_UNRECOGCOMMENTS] = TRUE;
840 gc.flags[FLG_UNRECOGFLAGCOMMENTS] = TRUE;
841 gc.flags[FLG_CASTFCNPTR] = TRUE;
842 gc.flags[FLG_DOLCS] = TRUE;
843 gc.flags[FLG_USEVARARGS] = TRUE;
844 gc.flags[FLG_MAINTYPE] = TRUE;
845 gc.flags[FLG_SPECMACROS] = TRUE;
846 gc.flags[FLG_REDEF] = TRUE;
847 gc.flags[FLG_MACRONEXTLINE] = TRUE;
849 gc.flags[FLG_SIZEOFFORMALARRAY] = TRUE;
850 gc.flags[FLG_FIXEDFORMALARRAY] = TRUE;
852 gc.flags[FLG_UNRECOGDIRECTIVE] = TRUE;
853 gc.flags[FLG_WARNUSE] = TRUE;
854 gc.flags[FLG_PREDASSIGN] = TRUE;
855 gc.flags[FLG_MODOBSERVER] = TRUE;
856 gc.flags[FLG_MACROVARPREFIXEXCLUDE] = TRUE;
857 gc.flags[FLG_EXTERNALNAMECASEINSENSITIVE] = TRUE;
859 gc.flags[FLG_PARAMIMPTEMP] = TRUE;
860 gc.flags[FLG_RETIMPONLY] = TRUE;
861 gc.flags[FLG_GLOBIMPONLY] = TRUE;
862 gc.flags[FLG_STRUCTIMPONLY] = TRUE;
863 gc.flags[FLG_PREPROC] = TRUE;
864 gc.flags[FLG_NAMECHECKS] = TRUE;
865 gc.flags[FLG_FORMATCODE] = TRUE;
866 gc.flags[FLG_FORMATTYPE] = TRUE;
867 gc.flags[FLG_BADFLAG] = TRUE;
868 gc.flags[FLG_WARNFLAGS] = TRUE;
869 gc.flags[FLG_WARNRC] = TRUE;
870 gc.flags[FLG_FILEEXTENSIONS] = TRUE;
871 gc.flags[FLG_WARNUNIXLIB] = TRUE;
872 gc.flags[FLG_WARNPOSIX] = TRUE;
873 gc.flags[FLG_SHOWCOL] = TRUE;
874 gc.flags[FLG_SHOWFUNC] = TRUE;
875 gc.flags[FLG_SUPCOUNTS] = TRUE;
876 gc.flags[FLG_HINTS] = TRUE;
877 gc.flags[FLG_SYNTAX] = TRUE;
878 gc.flags[FLG_TYPE] = TRUE;
879 gc.flags[FLG_INCOMPLETETYPE] = TRUE;
880 gc.flags[FLG_ABSTRACT] = TRUE;
881 gc.flags[FLG_ITER] = TRUE;
882 gc.flags[FLG_CONTROL] = TRUE;
883 gc.flags[FLG_UNRECOG] = TRUE;
884 gc.flags[FLG_SYSTEMUNRECOG] = TRUE;
885 gc.flags[FLG_LINTCOMMENTS] = TRUE;
886 gc.flags[FLG_ACCESSCZECH] = TRUE;
887 gc.flags[FLG_ACCESSMODULE] = TRUE;
888 gc.flags[FLG_ACCESSFILE] = TRUE;
889 gc.flags[FLG_MACROVARPREFIX] = TRUE;
891 gc.flags[FLG_ANNOTATIONERROR] = TRUE;
892 gc.flags[FLG_COMMENTERROR] = TRUE;
895 ** Changed for version 2.4.
898 gc.flags[FLG_GNUEXTENSIONS] = TRUE;
901 ** On by default for Win32, but not Unix (to support MS/VC++ error message format).
905 gc.flags[FLG_PARENFILEFORMAT] = TRUE;
910 ** C is way-lame, and you can initialize an array to a constant except where
911 ** it is declared. Hence, a macro is used to set the modeflags.
915 # define SETFLAGS() \
916 { int i = 0; while (modeflags[i] != INVALID_FLAG) { \
917 if (!flagcode_isModeFlag (modeflags[i])) \
918 { llbug (message ("not a mode flag: %s", \
919 flagcode_unparse (modeflags[i]))); } \
920 else { context_setFlag (modeflags[i], TRUE); } i++; }}
923 context_setMode (cstring s)
925 intSet setflags = intSet_new ();
929 if (flagcode_isModeFlag (code))
931 if (gc.setGlobally[code])
933 (void) intSet_insert (setflags, (int) code);
938 if (!intSet_isEmpty (setflags))
940 cstring rflags = cstring_undefined;
943 intSet_elements (setflags, el)
945 if (cstring_isUndefined (rflags))
947 rflags = cstring_copy (flagcode_unparse ((flagcode) (el)));
951 rflags = message ("%q, %s", rflags,
952 flagcode_unparse ((flagcode) el));
956 if (num > 4 && intSet_size (setflags) > 6)
958 rflags = message ("%q, (%d others) ...", rflags,
959 intSet_size (setflags) - num);
962 } end_intSet_elements ;
964 voptgenerror (FLG_WARNFLAGS,
965 message ("Setting mode %s after setting mode flags will "
966 "override set values of flags: %s",
970 cstring_free (rflags);
973 intSet_free (setflags);
975 context_resetModeFlags ();
977 if (cstring_equalLit (s, "standard"))
979 flagcode modeflags[] =
981 FLG_ENUMINT, FLG_MACROMATCHNAME,
983 FLG_MACROUNDEF, FLG_RELAXQUALS,
984 FLG_USEALLGLOBS, FLG_CHECKSTRICTGLOBALS,
985 FLG_CHECKSTRICTGLOBALIAS,
986 FLG_CHECKEDGLOBALIAS,
987 FLG_CHECKMODGLOBALIAS,
988 FLG_PREDBOOLOTHERS, FLG_PREDBOOLINT,
990 FLG_PARAMUNUSED, FLG_VARUNUSED, FLG_FUNCUNUSED,
992 FLG_CONSTUNUSED, FLG_ENUMMEMUNUSED, FLG_FIELDUNUSED,
993 FLG_PTRNUMCOMPARE, FLG_BOOLCOMPARE, FLG_UNSIGNEDCOMPARE,
994 FLG_MUTREP, FLG_NOEFFECT, FLG_IMPTYPE,
995 FLG_RETVALOTHER, FLG_RETVALBOOL, FLG_RETVALINT,
996 FLG_SPECUNDEF, FLG_INCONDEFS, FLG_INCONDEFSLIB, FLG_MISPLACEDSHAREQUAL,
999 FLG_MACROPARAMS, FLG_MACROASSIGN, FLG_SEFPARAMS,
1000 FLG_MACROSTMT, FLG_MACROPARENS,
1003 FLG_MACROREDEF, FLG_INFLOOPS, FLG_UNREACHABLE,
1004 FLG_NORETURN, FLG_CASEBREAK, FLG_MISSCASE, FLG_USEDEF,
1009 /* memchecks flags */
1011 FLG_NULLSTATE, FLG_NULLASSIGN,
1012 FLG_NULLPASS, FLG_NULLRET,
1014 FLG_COMPDEF, FLG_COMPMEMPASS, FLG_UNIONDEF,
1017 /* memtrans flags */
1036 FLG_USERELEASED, FLG_ALIASUNIQUE, FLG_MAYALIASUNIQUE,
1037 FLG_MUSTFREE, FLG_MUSTDEFINE, FLG_GLOBSTATE,
1038 FLG_COMPDESTROY, FLG_MUSTNOTALIAS,
1041 FLG_STATETRANSFER, FLG_STATEMERGE,
1042 FLG_EVALORDER, FLG_SHADOW, FLG_READONLYSTRINGS,
1044 FLG_IMPCHECKEDSPECGLOBALS,
1045 FLG_MODGLOBS, FLG_WARNLINTCOMMENTS,
1046 FLG_IFEMPTY, FLG_REALCOMPARE,
1047 FLG_BOOLOPS, FLG_PTRNEGATE,
1049 FLG_BUFFEROVERFLOWHIGH,
1056 else if (cstring_equalLit (s, "weak"))
1058 flagcode modeflags[] =
1060 FLG_BOOLINT, FLG_CHARINT, FLG_FLOATDOUBLE,
1061 FLG_ENUMINT, FLG_RELAXQUALS, FLG_FORWARDDECL,
1062 FLG_CHARINDEX, FLG_ABSTVOIDP, FLG_USEALLGLOBS,
1063 FLG_CHARUNSIGNEDCHAR,
1065 FLG_VARUNUSED, FLG_FUNCUNUSED,
1067 FLG_CHECKSTRICTGLOBALS, FLG_MACROMATCHNAME,
1070 FLG_BUFFEROVERFLOWHIGH,
1071 FLG_RETSTACK, FLG_PTRNEGATE,
1072 FLG_STATETRANSFER, FLG_STATEMERGE,
1073 FLG_LONGUNSIGNEDINTEGRAL,
1074 FLG_LONGUNSIGNEDUNSIGNEDINTEGRAL,
1078 FLG_BUFFEROVERFLOWHIGH,
1084 else if (cstring_equalLit (s, "checks"))
1086 flagcode modeflags[] =
1088 FLG_EXPORTLOCAL, FLG_IMPTYPE,
1089 FLG_STATETRANSFER, FLG_STATEMERGE,
1090 FLG_CHECKSTRICTGLOBALIAS,
1091 FLG_CHECKEDGLOBALIAS,
1092 FLG_CHECKMODGLOBALIAS,
1093 FLG_UNCHECKEDGLOBALIAS,
1095 FLG_STRINGLITNOROOM,
1096 FLG_STRINGLITSMALLER,
1097 FLG_EXITARG, FLG_PTRNUMCOMPARE,
1098 FLG_BOOLCOMPARE, FLG_UNSIGNEDCOMPARE,
1099 FLG_MACROUNDEF, FLG_MUSTMOD, FLG_ALLGLOBALS,
1100 FLG_PREDBOOLOTHERS, FLG_PREDBOOLPTR, FLG_PREDBOOLINT,
1101 FLG_USEALLGLOBS, FLG_MUTREP, FLG_RETALIAS,
1102 FLG_RETEXPOSE, FLG_ASSIGNEXPOSE, FLG_CASTEXPOSE,
1103 FLG_FUNCUNUSED, FLG_GLOBALSIMPMODIFIESNOTHING,
1104 FLG_TYPEUNUSED, FLG_FIELDUNUSED, FLG_PARAMUNUSED, FLG_VARUNUSED,
1105 FLG_CONSTUNUSED, FLG_ENUMMEMUNUSED,
1106 FLG_NOEFFECT, FLG_EXPORTHEADER, FLG_EXPORTHEADERVAR,
1107 FLG_RETVALOTHER, FLG_RETVALBOOL, FLG_RETVALINT,
1108 FLG_SPECUNDEF, FLG_IMPCHECKMODINTERNALS,
1109 FLG_DECLUNDEF, FLG_INCONDEFS, FLG_INCONDEFSLIB,
1110 FLG_MISPLACEDSHAREQUAL, FLG_REDUNDANTSHAREQUAL,
1117 FLG_SEFPARAMS, FLG_SEFUNSPEC, FLG_MACROSTMT, FLG_MACROPARENS,
1121 FLG_INFLOOPS, FLG_INFLOOPSUNCON,
1123 FLG_NORETURN, FLG_CASEBREAK, FLG_MISSCASE,
1124 FLG_EVALORDER, FLG_USEDEF,
1128 /* warn use flags */
1129 FLG_MULTITHREADED, FLG_PORTABILITY, FLG_SUPERUSER, FLG_IMPLEMENTATIONOPTIONAL,
1130 FLG_BUFFEROVERFLOWHIGH,
1132 /* memchecks flags */
1134 FLG_NULLSTATE, FLG_NULLDEREF, FLG_NULLASSIGN,
1135 FLG_NULLPASS, FLG_NULLRET,
1137 FLG_COMPDEF, FLG_COMPMEMPASS, FLG_UNIONDEF, FLG_RETSTACK,
1139 /* memtrans flags */
1153 FLG_STATICINITTRANS,
1154 FLG_UNKNOWNINITTRANS,
1157 FLG_ONLYUNQGLOBALTRANS,
1158 FLG_USERELEASED, FLG_ALIASUNIQUE, FLG_MAYALIASUNIQUE,
1159 FLG_MUSTFREE, FLG_MUSTDEFINE, FLG_GLOBSTATE,
1160 FLG_COMPDESTROY, FLG_MUSTNOTALIAS,
1163 FLG_NULLPOINTERARITH,
1164 FLG_SHADOW, FLG_DEPARRAYS,
1165 FLG_REDECL, FLG_READONLYSTRINGS, FLG_READONLYTRANS,
1166 FLG_LOOPLOOPBREAK, FLG_SWITCHLOOPBREAK, FLG_MODGLOBS,
1167 FLG_CHECKSTRICTGLOBALS, FLG_IMPCHECKEDSPECGLOBALS,
1168 FLG_MACROMATCHNAME, FLG_WARNLINTCOMMENTS,
1169 FLG_INCLUDENEST, FLG_ANSIRESERVED, FLG_CPPNAMES,
1170 FLG_NOPARAMS, FLG_IFEMPTY, FLG_WHILEEMPTY, FLG_REALCOMPARE,
1171 FLG_BOOLOPS, FLG_SHIFTSIGNED,
1172 FLG_BUFFEROVERFLOWHIGH, FLG_BUFFEROVERFLOW,
1177 else if (cstring_equalLit (s, "strict"))
1179 flagcode modeflags[] =
1181 FLG_CHECKSTRICTGLOBALIAS,
1182 FLG_CHECKEDGLOBALIAS,
1183 FLG_CHECKMODGLOBALIAS,
1184 FLG_UNCHECKEDGLOBALIAS,
1188 FLG_STRINGLITNOROOM,
1189 FLG_STRINGLITSMALLER,
1190 FLG_STATETRANSFER, FLG_STATEMERGE,
1191 FLG_MACROUNDEF, FLG_MUTREP, FLG_MUSTMOD,
1192 FLG_ALLGLOBALS, FLG_IMPTYPE,
1193 FLG_MODNOMODS, FLG_MODGLOBSUNSPEC, FLG_MODSTRICTGLOBSUNSPEC,
1194 FLG_GLOBUNSPEC, FLG_SIZEOFTYPE,
1195 FLG_EXPORTHEADER, FLG_EXPORTHEADERVAR,
1196 FLG_NOPARAMS, FLG_OLDSTYLE, FLG_EXITARG,
1199 FLG_ONLYUNQGLOBALTRANS,
1200 FLG_GLOBALSIMPMODIFIESNOTHING,
1201 FLG_PREDBOOLOTHERS, FLG_PREDBOOLPTR, FLG_PREDBOOLINT,
1202 FLG_INTERNALGLOBS, FLG_INTERNALGLOBSNOGLOBS,
1203 FLG_USEALLGLOBS, FLG_RETALIAS,
1204 FLG_MODGLOBS, FLG_MODGLOBSUNSPEC, FLG_MODGLOBSUNCHECKED,
1205 FLG_RETEXPOSE, FLG_ASSIGNEXPOSE, FLG_CASTEXPOSE,
1206 FLG_NOEFFECTUNCON, FLG_EVALORDERUNCON,
1208 FLG_EXPORTITER, FLG_EXPORTCONST,
1209 FLG_TYPEUNUSED, FLG_FIELDUNUSED, FLG_PARAMUNUSED, FLG_TOPUNUSED,
1210 FLG_CONSTUNUSED, FLG_ENUMMEMUNUSED,
1212 FLG_NULLPOINTERARITH, FLG_POINTERARITH,
1214 FLG_BOOLCOMPARE, FLG_UNSIGNEDCOMPARE,
1215 FLG_NOEFFECT, FLG_RETVALINT, FLG_RETVALBOOL, FLG_RETVALOTHER,
1216 FLG_ANSIRESERVED, FLG_ANSIRESERVEDLOCAL, FLG_CPPNAMES,
1217 FLG_RETVALBOOL, FLG_RETVALINT, FLG_SPECUNDEF,
1218 FLG_DECLUNDEF, FLG_STRICTOPS, FLG_INCONDEFS,
1219 FLG_MISPLACEDSHAREQUAL, FLG_REDUNDANTSHAREQUAL,
1220 FLG_INCONDEFSLIB, FLG_MATCHFIELDS, FLG_EXPORTMACRO, FLG_EXPORTVAR,
1221 FLG_EXPORTFCN, FLG_EXPORTTYPE, FLG_EXPORTLOCAL, FLG_MACROPARAMS,
1223 FLG_SEFPARAMS, FLG_SEFUNSPEC, FLG_MACROSTMT, FLG_MACROPARENS,
1226 FLG_MACROREDEF, FLG_MACROEMPTY,
1227 FLG_INFLOOPS, FLG_INFLOOPSUNCON,
1229 FLG_NORETURN, FLG_CASEBREAK, FLG_MISSCASE, FLG_USEDEF,
1231 FLG_MODUNCON, FLG_MODUNCONNOMODS, FLG_MODINTERNALSTRICT,
1232 FLG_MODOBSERVERUNCON,
1237 /* warn use flags */
1238 FLG_MULTITHREADED, FLG_PORTABILITY, FLG_SUPERUSER, FLG_IMPLEMENTATIONOPTIONAL,
1239 FLG_BUFFEROVERFLOWHIGH,
1240 FLG_BUFFEROVERFLOW, FLG_TOCTOU,
1242 /* memchecks flags */
1243 FLG_NULLSTATE, FLG_NULLDEREF, FLG_NULLASSIGN,
1244 FLG_NULLPASS, FLG_NULLRET,
1246 FLG_COMPDEF, FLG_COMPMEMPASS, FLG_UNIONDEF,
1248 /* memtrans flags */
1264 FLG_STATICINITTRANS,
1265 FLG_UNKNOWNINITTRANS,
1267 FLG_USERELEASED, FLG_ALIASUNIQUE, FLG_MAYALIASUNIQUE,
1268 FLG_MUSTFREE, FLG_MUSTDEFINE, FLG_GLOBSTATE,
1269 FLG_COMPDESTROY, FLG_MUSTNOTALIAS,
1273 FLG_DECLPARAMNAME, FLG_DECLPARAMMATCH,
1275 FLG_SHADOW, FLG_DEPARRAYS,
1276 FLG_STRICTDESTROY, FLG_STRICTUSERELEASED, FLG_STRICTBRANCHSTATE,
1277 FLG_REDECL, FLG_READONLYSTRINGS, FLG_READONLYTRANS,
1278 FLG_LOOPLOOPBREAK, FLG_LOOPSWITCHBREAK, FLG_SWITCHLOOPBREAK,
1279 FLG_SWITCHSWITCHBREAK, FLG_LOOPLOOPCONTINUE,
1280 FLG_CHECKSTRICTGLOBALS, FLG_IMPCHECKEDSPECGLOBALS,
1281 FLG_ALLGLOBALS, FLG_IMPCHECKEDSTRICTGLOBALS,
1282 FLG_IMPCHECKEDSTRICTSTATICS,
1283 FLG_IMPCHECKEDSTRICTSPECGLOBALS,
1284 FLG_IMPCHECKMODINTERNALS,
1285 FLG_WARNMISSINGGLOBALS, FLG_WARNMISSINGGLOBALSNOGLOBS,
1286 FLG_WARNLINTCOMMENTS, FLG_ANSIRESERVEDLOCAL,
1287 FLG_INCLUDENEST, FLG_STRINGLITERALLEN,
1288 FLG_NUMSTRUCTFIELDS, FLG_NUMENUMMEMBERS,
1289 FLG_CONTROLNESTDEPTH,
1290 FLG_FORBLOCK, FLG_WHILEBLOCK,
1291 FLG_FOREMPTY, FLG_WHILEEMPTY,
1292 FLG_IFEMPTY, FLG_IFBLOCK,
1294 FLG_REALCOMPARE, FLG_BOOLOPS,
1295 FLG_SYSTEMDIRERRORS, FLG_UNUSEDSPECIAL,
1297 FLG_SHIFTSIGNED, FLG_BITWISEOPS,
1298 FLG_BUFFEROVERFLOWHIGH, FLG_BUFFEROVERFLOW,
1306 llcontbug (message ("context_setMode: bad mode: %s", s));
1311 context_isSpecialFile (cstring fname)
1313 cstring ext = fileLib_getExtension (fname);
1315 return (cstring_equalLit (ext, ".y")
1316 || cstring_equalLit (ext, ".l")
1317 || cstring_equalLit (fname, "lex.yy.c"));
1321 context_isSystemDir (cstring dir)
1323 cstring thisdir = cstring_copy (context_getString (FLG_SYSTEMDIRS));
1324 cstring savedir = thisdir;
1325 cstring nextdir = cstring_afterChar (thisdir, PATH_SEPARATOR);
1327 if (cstring_isDefined (nextdir))
1329 /*@access cstring@*/
1330 *nextdir = '\0'; /* closes thisdir */
1332 /*@noaccess cstring@*/
1335 /* 2001-09-09: added thisdir[0] != '\0'
1336 ** herbert: don't compare with an empty name!
1337 ** should return false for empty directory path
1340 while (!cstring_isEmpty (thisdir))
1342 DPRINTF (("Test: %s / %s", dir, thisdir));
1344 if (osd_equalCanonicalPrefix (dir, thisdir))
1346 cstring_free (savedir);
1350 if (cstring_isDefined (nextdir))
1353 nextdir = cstring_afterChar (thisdir, PATH_SEPARATOR);
1355 if (cstring_isDefined (nextdir))
1357 /*@access cstring@*/
1360 /*@noaccess cstring@*/
1369 DPRINTF (("Returns FALSE"));
1370 cstring_free (savedir);
1375 context_addFileAccessType (typeId t)
1379 if (context_inFunctionLike ())
1381 gc.acct = typeIdSet_insert (gc.acct, t);
1384 gc.facct = typeIdSet_insert (gc.facct, t);
1386 base = fileloc_getBase (g_currentloc);
1387 insertModuleAccess (base, t);
1388 DPRINTF (("Add file access: %s / %s", typeIdSet_unparse (gc.facct),
1389 typeIdSet_unparse (gc.acct)));
1393 context_removeFileAccessType (typeId t)
1395 if (gc.kind == CX_FUNCTION || gc.kind == CX_MACROFCN
1396 || gc.kind == CX_UNKNOWNMACRO)
1398 gc.acct = typeIdSet_removeFresh (gc.acct, t);
1401 gc.facct = typeIdSet_removeFresh (gc.facct, t);
1402 gc.nacct = typeIdSet_insert (gc.nacct, t);
1405 void context_enterFunctionHeader (void)
1407 if (context_getFlag (FLG_GRAMMAR))
1409 lldiagmsg (message ("Enter function header: %q", context_unparse ()));
1412 if (gc.kind != CX_GLOBAL)
1414 llparseerror (cstring_makeLiteral
1415 ("Likely parse error. Function header outside global context."));
1419 llassert (gc.kind == CX_GLOBAL);
1420 DPRINTF (("Enter function header!"));
1421 gc.inFunctionHeader = TRUE;
1425 void context_exitFunctionHeader (void)
1427 if (context_getFlag (FLG_GRAMMAR))
1429 lldiagmsg (message ("Exit function header: %q", context_unparse ()));
1432 DPRINTF (("Exit function header!"));
1433 gc.inFunctionHeader = FALSE;
1436 bool context_inFunctionHeader (void)
1438 return (gc.inFunctionHeader);
1441 void context_enterFunctionDeclaration (uentry e)
1443 if (context_getFlag (FLG_GRAMMAR))
1445 lldiagmsg (message ("Enter function declaration: %q", context_unparse ()));
1448 DPRINTF (("Enter function decl"));
1449 llassert (gc.savekind == CX_ERROR);
1450 gc.savekind = gc.kind;
1451 gc.savecont = gc.cont;
1452 gc.kind = CX_FCNDECLARATION;
1456 void context_exitFunctionDeclaration (void)
1458 if (context_getFlag (FLG_GRAMMAR))
1460 lldiagmsg (message ("Exit function declaration: %q", context_unparse ()));
1463 DPRINTF (("Exit function decl"));
1464 llassert (gc.savekind != CX_ERROR);
1465 llassert (gc.kind == CX_FCNDECLARATION);
1466 gc.kind = gc.savekind;
1467 gc.cont = gc.savecont;
1469 gc.savekind = CX_ERROR;
1471 if (context_getFlag (FLG_GRAMMAR))
1473 lldiagmsg (message ("After exit function declaration: %q", context_unparse ()));
1477 bool context_inFunctionDeclaration (void)
1479 return (gc.kind == CX_FCNDECLARATION);
1484 context_enterMacro (/*@observer@*/ uentry e)
1486 context_enterFunction (e);
1487 gc.kind = CX_MACROFCN;
1491 context_enterUnknownMacro (/*@dependent@*/ uentry e)
1493 llassert (uentry_isFunction (e));
1494 context_enterFunction (e);
1495 gc.kind = CX_UNKNOWNMACRO;
1498 void context_enterAndClause (exprNode e)
1501 usymtab_trueBranch (guardSet_copy (exprNode_getGuards (e)));
1502 pushClause (ANDCLAUSE);
1505 void context_enterOrClause (exprNode e)
1507 usymtab_trueBranch (guardSet_invert (exprNode_getGuards (e)));
1508 pushClause (ORCLAUSE);
1511 bool context_inDeepLoop (void)
1513 bool inLoop = FALSE;
1515 clauseStack_elements (gc.clauses, el)
1517 if (clause_isLoop (el))
1526 } end_clauseStack_elements;
1531 bool context_inDeepSwitch (void)
1533 bool inLoop = FALSE;
1535 clauseStack_elements (gc.clauses, el)
1537 if (clause_isSwitch (el))
1546 } end_clauseStack_elements;
1551 bool context_inDeepLoopSwitch (void)
1553 bool inLoop = FALSE;
1555 clauseStack_elements (gc.clauses, el)
1557 if (clause_isBreakable (el))
1566 } end_clauseStack_elements;
1571 clause context_breakClause (void)
1573 clauseStack_elements (gc.clauses, el)
1575 if (clause_isSwitch (el))
1579 else if (clause_isLoop (el))
1587 } end_clauseStack_elements;
1592 clause context_nextBreakClause (void)
1594 bool hasOne = FALSE;
1596 clauseStack_elements (gc.clauses, el)
1598 if (clause_isBreakable (el))
1609 } end_clauseStack_elements;
1614 bool context_inConditional (void)
1616 clauseStack_elements (gc.clauses, el)
1619 ** Should also include TRUECLAUSE and FALSECLAUSE, but need
1620 ** to distinguish if from ? for this
1623 if (clause_isBreakable (el) && (el != DOWHILECLAUSE))
1627 } end_clauseStack_elements;
1632 void context_exitAndClause (exprNode pred, exprNode tbranch)
1634 context_setJustPopped ();
1636 llassert (gc.inclause == ANDCLAUSE);
1638 usymtab_popAndBranch (pred, tbranch);
1639 clauseStack_pop (gc.clauses);
1640 gc.inclause = topClause (gc.clauses);
1643 void context_exitOrClause (exprNode pred, exprNode tbranch)
1645 context_setJustPopped ();
1647 llassert (gc.inclause == ORCLAUSE);
1649 usymtab_popOrBranch (pred, tbranch);
1650 clauseStack_pop (gc.clauses);
1651 gc.inclause = topClause (gc.clauses);
1654 static void context_enterCondClauseAux (clause cl)
1660 static void context_enterTrueAux (exprNode e, clause cl)
1663 usymtab_trueBranch (guardSet_copy (exprNode_getGuards (e)));
1667 void context_enterIterClause (void)
1669 context_enterTrueAux (exprNode_undefined, ITERCLAUSE);
1672 void context_enterDoWhileClause (void)
1674 pushClause (DOWHILECLAUSE);
1677 void context_enterWhileClause (exprNode e)
1679 context_enterTrueAux (e, WHILECLAUSE);
1682 void context_enterForClause (exprNode e)
1684 context_enterTrueAux (e, FORCLAUSE);
1687 void context_enterTrueClause (exprNode e)
1689 context_enterTrueAux (e, TRUECLAUSE);
1692 void context_enterSwitch (exprNode e)
1695 usymtab_switchBranch (e);
1696 context_enterCondClauseAux (SWITCHCLAUSE);
1699 void context_exitSwitch (exprNode e, bool allpaths)
1701 usymtab_exitSwitch (e, allpaths);
1703 while (clause_isCase (clauseStack_top (gc.clauses)))
1705 clauseStack_pop (gc.clauses);
1708 context_exitClauseSimp ();
1711 void context_enterCaseClause (exprNode e)
1713 bool branch = FALSE;
1715 DPRINTF (("Enter case clause!"));
1717 branch = usymtab_newCase (exprNode_undefined, e);
1721 context_enterCondClauseAux (CASECLAUSE);
1725 static void context_enterFalseClauseAux (exprNode e, clause cl)
1728 usymtab_altBranch (guardSet_invert (exprNode_getGuards (e)));
1730 clauseStack_switchTop (gc.clauses, cl);
1733 void context_enterFalseClause (exprNode e)
1736 context_enterFalseClauseAux (e, FALSECLAUSE);
1740 context_enterConstantMacro (/*@exposed@*/ /*@dependent@*/ uentry e)
1742 gc.kind = CX_MACROCONST;
1744 gc.showfunction = context_getFlag (FLG_SHOWFUNC);
1746 gc.acct = typeIdSet_subtract (typeIdSet_union (gc.facct, uentry_accessType (e)),
1750 usymtab_enterScope ();
1751 sRef_enterFunctionScope ();
1753 gc.globs = globSet_undefined;
1754 globSet_clear (gc.globs_used);
1755 gc.mods = sRefSet_undefined;
1758 uentry context_getHeader (void)
1760 if (!(context_inFunctionLike () || (gc.kind == CX_MACROCONST)))
1762 llfatalbug (message ("context_getHeader: bad call: %q",
1763 context_unparse ()));
1766 return (gc.cont.fcn);
1770 context_setFunctionDefined (fileloc loc)
1774 case CX_UNKNOWNMACRO:
1777 uentry_setFunctionDefined (gc.cont.fcn, loc);
1780 /* (not a bug because of parse errors) */
1786 context_enterFunction (/*@exposed@*/ uentry e)
1788 gc.kind = CX_FUNCTION;
1791 DPRINTF (("Enter function: %s", uentry_unparse (e)));
1793 if (uentry_hasAccessType (e))
1795 gc.acct = typeIdSet_subtract (typeIdSet_union (gc.facct, uentry_accessType (e)),
1803 DPRINTF (("Enter function: %s / %s", uentry_unparse (e),
1804 typeIdSet_unparse (gc.acct)));
1806 gc.showfunction = context_getFlag (FLG_SHOWFUNC);
1808 gc.globs = uentry_getGlobs (e);
1809 globSet_clear (gc.globs_used);
1810 gc.mods = uentry_getMods (e);
1812 usymtab_enterFunctionScope (e);
1813 sRef_enterFunctionScope ();
1817 context_enterOldStyleScope (void)
1819 gc.kind = CX_OLDSTYLESCOPE;
1820 DPRINTF (("Enter old style scope!"));
1821 usymtab_enterFunctionScope (uentry_undefined);
1825 context_completeOldStyleFunction (uentry e)
1827 llassert (gc.kind == CX_OLDSTYLESCOPE);
1829 gc.kind = CX_FUNCTION;
1832 DPRINTF (("Enter function: %s", uentry_unparse (e)));
1834 if (uentry_hasAccessType (e))
1836 gc.acct = typeIdSet_subtract (typeIdSet_union (gc.facct, uentry_accessType (e)),
1844 DPRINTF (("Enter function: %s / %s", uentry_unparse (e),
1845 typeIdSet_unparse (gc.acct)));
1847 gc.showfunction = context_getFlag (FLG_SHOWFUNC);
1849 if (!globSet_isEmpty (uentry_getGlobs (e)))
1851 llfatalerror (message ("%q: Old-style function declaration uses a clause (rewrite with function parameters): %q",
1852 fileloc_unparse (g_currentloc), uentry_unparse (e)));
1855 gc.showfunction = context_getFlag (FLG_SHOWFUNC);
1857 gc.globs = uentry_getGlobs (e);
1858 globSet_clear (gc.globs_used);
1860 gc.mods = uentry_getMods (e);
1862 if (!sRefSet_isEmpty (gc.mods))
1864 llfatalerror (message ("%q: Old-style function declaration uses a clause (rewrite with function parameters): %q",
1865 fileloc_unparse (g_currentloc), uentry_unparse (e)));
1868 sRef_enterFunctionScope ();
1871 static bool context_checkStrictGlobals (void)
1873 return (context_getFlag (FLG_CHECKSTRICTGLOBALS));
1876 static bool context_hasGlobs (void)
1878 if (context_inFunctionLike ())
1880 return (uentry_hasGlobs (gc.cont.fcn));
1888 static bool context_checkCheckedGlobals (void)
1890 return (context_getFlag (FLG_GLOBALS)
1891 && (context_getFlag (FLG_GLOBUNSPEC)
1892 || context_hasGlobs ()));
1895 static bool context_checkUnknownGlobals (void)
1897 /* should be uentry_hasGlobs ? */
1899 return (context_getFlag (FLG_ALLGLOBALS)
1900 && (context_getFlag (FLG_GLOBUNSPEC)
1901 || context_hasGlobs ()));
1904 static bool context_checkUncheckedGlobals (void)
1910 context_checkExport (uentry e)
1912 if (!gc.anyExports) return FALSE;
1914 if (uentry_isFunction (e)
1915 || (uentry_isVariable (e) && ctype_isFunction (uentry_getType (e))))
1917 return context_maybeSet (FLG_EXPORTFCN);
1919 else if (uentry_isExpandedMacro (e))
1921 return context_maybeSet (FLG_EXPORTMACRO);
1923 else if (uentry_isVariable (e))
1925 return context_maybeSet (FLG_EXPORTVAR);
1927 else if (uentry_isEitherConstant (e))
1929 return context_maybeSet (FLG_EXPORTCONST);
1931 else if (uentry_isIter (e) || uentry_isEndIter (e))
1933 return context_maybeSet (FLG_EXPORTITER);
1935 else if (uentry_isDatatype (e))
1937 return context_maybeSet (FLG_EXPORTTYPE);
1946 context_checkGlobUse (uentry glob)
1949 if (uentry_isCheckedStrict (glob))
1951 return context_checkStrictGlobals ();
1953 else if (uentry_isChecked (glob))
1955 return context_checkCheckedGlobals ();
1957 else if (uentry_isCheckedUnknown (glob) || uentry_isCheckMod (glob))
1959 return context_checkUnknownGlobals ();
1963 llassert (uentry_isUnchecked (glob));
1965 return context_checkUncheckedGlobals ();
1970 context_checkAliasGlob (uentry glob)
1972 if (uentry_isCheckedStrict (glob))
1974 return gc.flags[FLG_CHECKSTRICTGLOBALIAS];
1976 else if (uentry_isChecked (glob))
1978 return gc.flags[FLG_CHECKEDGLOBALIAS];
1980 else if (uentry_isCheckMod (glob))
1982 return gc.flags[FLG_CHECKMODGLOBALIAS];
1986 llassert (uentry_isUnchecked (glob) || uentry_isCheckedUnknown (glob));
1988 return gc.flags[FLG_UNCHECKEDGLOBALIAS];
1992 bool context_checkInternalUse (void)
1994 if (context_hasGlobs ())
1996 return (gc.flags[FLG_INTERNALGLOBS]);
2000 return (gc.flags[FLG_INTERNALGLOBSNOGLOBS]);
2005 context_checkGlobMod (sRef el)
2007 uentry ue = sRef_getUentry (el);
2009 /* no: llassert (sRef_isFileOrGlobalScope (el)); also check local statics */
2011 if (uentry_isCheckedModify (ue)
2012 || (!uentry_isUnchecked (ue) && (gc.flags[FLG_ALLGLOBALS])))
2014 if (context_hasMods ())
2016 return (gc.flags[FLG_MODGLOBS]);
2020 if (uentry_isCheckedStrict (ue))
2022 return (gc.flags[FLG_MODGLOBSUNSPEC]);
2026 return (gc.flags[FLG_MODSTRICTGLOBSUNSPEC]);
2032 if (context_hasMods ())
2034 return (gc.flags[FLG_MODGLOBSUNCHECKED]);
2044 context_usedGlobal (/*@exposed@*/ sRef el)
2046 if (!globSet_member (gc.globs_used, el))
2049 ** The first time a global is used in a function, we need
2050 ** to clear the derived sRefs, since they were set for the
2051 ** previous function.
2054 sRef_clearDerived (el);
2055 gc.globs_used = globSet_insert (gc.globs_used, el);
2059 /*@observer@*/ sRefSet
2060 context_modList (void)
2066 context_globAccess (sRef s)
2068 llassert (sRef_isFileOrGlobalScope (s) || sRef_isKindSpecial (s));
2069 return (globSet_member (gc.globs, s));
2073 context_hasAccess (typeId t)
2075 if (context_inFunctionLike ())
2077 DPRINTF (("Access %d / %s",
2078 t, typeIdSet_unparse (gc.acct)));
2079 return (typeIdSet_member (gc.acct, t));
2083 return (context_hasFileAccess (t));
2088 context_hasFileAccess (typeId t)
2090 return (typeIdSet_member (gc.facct, t));
2094 context_unparseAccess (void)
2096 return (message ("%q / %q", typeIdSet_unparse (gc.acct),
2097 typeIdSet_unparse (gc.facct)));
2101 context_unparseClauses (void)
2103 return (clauseStack_unparse (gc.clauses));
2107 context_couldHaveAccess (typeId t)
2109 if (gc.kind == CX_FUNCTION || gc.kind == CX_MACROFCN || gc.kind == CX_UNKNOWNMACRO)
2111 return (typeIdSet_member (gc.acct, t));
2115 return (typeIdSet_member (gc.facct, t));
2120 context_getRetType (void)
2122 ctype f = ctype_undefined;
2124 if (gc.kind == CX_FUNCTION || gc.kind == CX_MACROFCN)
2126 f = uentry_getType (gc.cont.fcn);
2128 else if (gc.kind == CX_UNKNOWNMACRO)
2130 return ctype_unknown;
2134 llcontbuglit ("context_getRetType: not in a function context");
2135 return ctype_unknown;
2138 if (!ctype_isFunction (f))
2140 if (ctype_isKnown (f))
2142 llbuglit ("context_getRetType: not a function");
2145 return ctype_unknown;
2147 return (ctype_getReturnType (f));
2151 context_hasMods (void)
2153 if (context_inFunctionLike ())
2155 return (uentry_hasMods (gc.cont.fcn));
2164 context_exitAllClauses (void)
2166 while (!clauseStack_isEmpty (gc.clauses))
2168 clause el = clauseStack_top (gc.clauses);
2171 if (clause_isNone (el))
2173 usymtab_quietExitScope (g_currentloc);
2174 clauseStack_pop (gc.clauses);
2178 context_exitClausePlain ();
2182 clauseStack_clear (gc.clauses);
2183 gc.inclause = NOCLAUSE;
2187 context_exitAllClausesQuiet (void)
2189 while (!clauseStack_isEmpty (gc.clauses))
2191 clause el = clauseStack_top (gc.clauses);
2194 usymtab_quietExitScope (g_currentloc);
2195 clauseStack_pop (gc.clauses);
2198 clauseStack_clear (gc.clauses);
2199 gc.inclause = NOCLAUSE;
2203 void context_exitClauseSimp (void)
2206 context_setJustPopped ();
2207 clauseStack_pop (gc.clauses);
2208 gc.inclause = topClause (gc.clauses);
2212 void context_exitCaseClause (void)
2214 context_setJustPopped ();
2215 usymtab_popCaseBranch ();
2216 clauseStack_pop (gc.clauses);
2217 gc.inclause = topClause (gc.clauses);
2221 void context_exitClauseAux (exprNode pred, exprNode tbranch)
2223 context_setJustPopped ();
2224 /*@i32 was makeAlt */
2225 usymtab_popTrueBranch (pred, tbranch, gc.inclause);
2226 clauseStack_pop (gc.clauses);
2227 gc.inclause = topClause (gc.clauses);
2230 void context_exitTrueClause (exprNode pred, exprNode tbranch)
2232 DPRINTF (("Exit true clause: %s", exprNode_unparse (tbranch)));
2234 if (gc.inclause != TRUECLAUSE)
2236 llparseerror (cstring_makeLiteral
2237 ("Likely parse error. Conditional clauses are inconsistent."));
2241 context_setJustPopped ();
2242 usymtab_popTrueBranch (pred, tbranch, TRUECLAUSE);
2243 clauseStack_pop (gc.clauses);
2244 gc.inclause = topClause (gc.clauses);
2247 void context_exitIterClause (exprNode body)
2249 llassert (gc.inclause == ITERCLAUSE);
2251 context_setJustPopped ();
2253 if (context_getFlag (FLG_LOOPEXEC))
2255 usymtab_popTrueExecBranch (exprNode_undefined, body, ITERCLAUSE);
2259 usymtab_popTrueBranch (exprNode_undefined, body, ITERCLAUSE);
2262 clauseStack_pop (gc.clauses);
2263 gc.inclause = topClause (gc.clauses);
2266 static void context_popCase (void) {
2268 ** If we are exiting an outer clause, sometimes still in a switch case.
2282 DPRINTF (("Popping case clause: %s",
2283 clauseStack_unparse (gc.clauses)));
2285 if (gc.inclause == CASECLAUSE) {
2286 context_exitCaseClause ();
2290 void context_exitWhileClause (exprNode pred, exprNode body)
2292 guardSet invGuards = guardSet_invert (exprNode_getGuards (pred));
2296 if (gc.inclause != WHILECLAUSE) {
2297 DPRINTF (("Clause: %s / %s", clause_unparse (gc.inclause),
2298 clauseStack_unparse (gc.clauses)));
2301 llassert (gc.inclause == WHILECLAUSE);
2303 context_setJustPopped ();
2307 ** predicate must be false after while loop (unless there are breaks)
2310 if (context_getFlag (FLG_LOOPEXEC))
2312 usymtab_popTrueExecBranch (pred, body, WHILECLAUSE);
2316 usymtab_popTrueBranch (pred, body, WHILECLAUSE);
2320 usymtab_addGuards (invGuards);
2321 guardSet_free (invGuards);
2323 clauseStack_pop (gc.clauses);
2324 gc.inclause = topClause (gc.clauses);
2327 void context_exitDoWhileClause (exprNode pred)
2329 guardSet invGuards = guardSet_invert (exprNode_getGuards (pred));
2331 if (gc.inclause == CASECLAUSE) {
2332 /* handle Duff's device */
2333 clauseStack_pop (gc.clauses);
2334 gc.inclause = topClause (gc.clauses);
2337 llassert (gc.inclause == DOWHILECLAUSE);
2339 context_setJustPopped ();
2342 usymtab_addGuards (invGuards);
2343 guardSet_free (invGuards);
2345 clauseStack_pop (gc.clauses);
2346 gc.inclause = topClause (gc.clauses);
2349 void context_exitForClause (exprNode forPred, exprNode body)
2351 guardSet invGuards = guardSet_invert (exprNode_getForGuards (forPred));
2353 llassert (gc.inclause == FORCLAUSE);
2354 context_setJustPopped ();
2357 ** predicate must be false after while loop (unless there are breaks)
2360 if (context_getFlag (FLG_LOOPEXEC))
2362 usymtab_popTrueExecBranch (forPred, body, FORCLAUSE);
2366 usymtab_popTrueBranch (forPred, body, FORCLAUSE);
2369 usymtab_addGuards (invGuards);
2370 guardSet_free (invGuards);
2371 clauseStack_pop (gc.clauses);
2372 gc.inclause = topClause (gc.clauses);
2375 static void context_exitClausePlain (void)
2377 llassert (gc.inclause != NOCLAUSE);
2379 if (gc.inclause == FALSECLAUSE)
2381 context_exitClause (exprNode_undefined, exprNode_undefined, exprNode_undefined);
2385 context_exitClauseAux (exprNode_undefined, exprNode_undefined);
2389 void context_exitClause (exprNode pred, exprNode tbranch, exprNode fbranch)
2391 context_setJustPopped ();
2393 if (gc.inclause == FALSECLAUSE)
2395 usymtab_popBranches (pred, tbranch, fbranch, FALSE, FALSECLAUSE);
2397 llassert (clauseStack_top (gc.clauses) == FALSECLAUSE);
2399 clauseStack_pop (gc.clauses);
2400 gc.inclause = topClause (gc.clauses);
2404 context_exitTrueClause (pred, tbranch);
2409 context_returnFunction (void)
2411 usymtab_checkFinalScope (TRUE);
2415 context_exitFunction (void)
2417 DPRINTF (("Exit function: %s", context_unparse ()));
2419 if (!context_inFunction () && !context_inMacroConstant ()
2420 && !context_inUnknownMacro ()
2421 && !context_inIterDef () && !context_inIterEnd ())
2424 ** not a bug because of parse errors
2431 if (context_inMacro () && usymtab_inFunctionScope ())
2433 usymtab_exitScope (exprNode_undefined);
2436 if (uentry_hasGlobs (gc.cont.fcn))
2438 exprChecks_checkUsedGlobs (gc.globs, gc.globs_used);
2442 if (uentry_hasMods (gc.cont.fcn))
2444 if (context_getFlag (FLG_MUSTMOD))
2446 exprNode_checkAllMods (gc.mods, gc.cont.fcn);
2450 DPRINTF (("Exit function: %s", uentry_unparse (gc.cont.fcn)));
2453 ** clear file static modifies
2456 /* do this first to get unused error messages */
2458 usymtab_exitScope (exprNode_undefined);
2459 sRef_exitFunctionScope ();
2461 gc.showfunction = FALSE;
2462 gc.kind = CX_GLOBAL;
2463 gc.cont.glob = TRUE;
2465 gc.globs = globSet_new ();
2466 globSet_clear (gc.globs_used);
2467 gc.mods = sRefSet_new ();
2470 llassert (clauseStack_isEmpty (gc.clauses));
2471 llassert (gc.inclause == NOCLAUSE);
2472 DPRINTF (("After exit function: %s", context_unparse ()));
2476 context_quietExitFunction (void)
2478 while (gc.kind == CX_INNER)
2480 context_exitInnerPlain ();
2483 if (!context_inFunction () && !context_inMacroConstant () && !context_inUnknownMacro ()
2484 && !context_inIterDef () && !context_inIterEnd ())
2489 usymtab_quietExitScope (g_currentloc);
2491 gc.showfunction = FALSE;
2492 gc.kind = CX_GLOBAL;
2493 gc.cont.glob = TRUE;
2495 gc.globs = globSet_new ();
2496 globSet_clear (gc.globs_used);
2497 gc.mods = sRefSet_new ();
2499 sRef_exitFunctionScope ();
2503 /*@observer@*/ uentryList
2504 context_getParams (void)
2506 if (context_inFunctionLike ())
2508 return (uentry_getParams (gc.cont.fcn));
2512 llcontbug (message ("context_getParams: not in function: %q", context_unparse ()));
2513 return uentryList_undefined;
2517 /*@observer@*/ globSet
2518 context_getUsedGlobs (void)
2520 llassert (gc.kind == CX_FUNCTION || gc.kind == CX_MACROFCN
2521 || gc.kind == CX_UNKNOWNMACRO || gc.kind == CX_ITERDEF);
2523 return (gc.globs_used);
2527 context_moduleName ()
2529 return (fileloc_getBase (g_currentloc));
2532 /*@observer@*/ globSet
2533 context_getGlobs (void)
2535 llassert (gc.kind == CX_FUNCTION || gc.kind == CX_MACROFCN
2536 || gc.kind == CX_UNKNOWNMACRO || gc.kind == CX_ITERDEF);
2542 context_addBoolAccess (void)
2544 cstring bname = context_getString (FLG_BOOLTYPE);
2545 typeIdSet boolt = typeIdSet_single (usymtab_getTypeId (bname));
2547 addModuleAccess (cstring_copy (bname), boolt);
2549 /* for sys/types (perhaps, this is bogus!) */
2550 addModuleAccess (cstring_makeLiteral ("types"), boolt);
2555 context_canAccessBool (void)
2562 static typeId boolType = typeId_invalid;
2564 if (typeId_isInvalid (boolType))
2566 boolType = usymtab_getTypeId (context_getBoolName ());
2569 if (typeId_isInvalid (boolType)) {
2572 return (typeIdSet_member (gc.acct, boolType));
2577 /* evs 2000-07-25: old version - replaced */
2580 context_boolImplementationType () {
2581 /* For now, this is bogus! */
2586 context_canAccessBool (void)
2588 static typeId boolType = typeId_invalid;
2590 if (typeId_isInvalid (boolType))
2592 boolType = usymtab_getTypeId (context_getBoolName ());
2595 if (!typeId_isInvalid (boolType))
2597 return context_hasAccess (boolType);
2608 context_setMessageAnnote (/*@only@*/ cstring s)
2610 llassert (cstring_isUndefined (gc.msgAnnote));
2615 context_hasMessageAnnote (void)
2617 return (cstring_isDefined (gc.msgAnnote));
2621 context_clearMessageAnnote (void)
2623 if (cstring_isDefined (gc.msgAnnote))
2625 cstring_free (gc.msgAnnote);
2626 gc.msgAnnote = cstring_undefined;
2631 context_getMessageAnnote (void)
2633 cstring st = gc.msgAnnote;
2635 gc.msgAnnote = cstring_undefined;
2640 context_setAliasAnnote (/*@observer@*/ sRef s, /*@observer@*/ sRef t)
2642 llassert (sRef_isInvalid (gc.aliasAnnote));
2643 llassert (!sRef_sameName (s, t));
2645 gc.aliasAnnoteAls = t;
2649 context_hasAliasAnnote (void)
2651 return (sRef_isValid (gc.aliasAnnote));
2655 context_clearAliasAnnote (void)
2657 gc.aliasAnnote = sRef_undefined;
2661 context_getAliasAnnote (void)
2663 sRef ret = gc.aliasAnnote;
2664 sRef als = gc.aliasAnnoteAls;
2666 llassert (sRef_isValid (ret) && sRef_isValid (als));
2668 gc.aliasAnnote = sRef_undefined;
2669 return (message ("%q aliases %q", sRef_unparse (als), sRef_unparse (ret)));
2673 context_recordFileModifies (sRefSet mods)
2675 gc.modrecs = sRefSetList_add (gc.modrecs, mods);
2679 context_recordFileGlobals (globSet mods)
2681 DPRINTF (("Recording file globals: %s", globSet_unparse (mods)));
2682 /*@access globSet@*/ context_recordFileModifies (mods); /*@noaccess globSet@*/
2686 context_setCommentMarkerChar (char c)
2688 llassert (c != '\0');
2690 context_setValue (FLG_COMMENTCHAR, (int) c);
2694 context_getCommentMarkerChar (void)
2696 return ((char) context_getValue (FLG_COMMENTCHAR));
2700 context_setValue (flagcode flag, int val)
2702 int index = flagcode_valueIndex (flag);
2704 llassert (index >= 0 && index <= NUMVALUEFLAGS);
2712 llerror_flagWarning (message ("Value for %s must be a positive "
2713 "number (given %d)",
2714 flagcode_unparse (flag), val));
2717 if (flag == FLG_LINELEN && val < MINLINELEN)
2719 llerror_flagWarning (message ("Value for %s must be at least %d (given %d)",
2720 flagcode_unparse (flag),
2726 case FLG_INCLUDENEST:
2727 case FLG_CONTROLNESTDEPTH:
2728 case FLG_STRINGLITERALLEN:
2729 case FLG_NUMSTRUCTFIELDS:
2730 case FLG_NUMENUMMEMBERS:
2731 case FLG_INDENTSPACES:
2735 llerror_flagWarning (message ("Value for %s must be a non-negative "
2736 "number (given %d)",
2737 flagcode_unparse (flag), val));
2746 gc.values[index] = val;
2750 context_setValueAndFlag (flagcode flag, int val)
2752 gc.flags[flag] = TRUE;
2753 context_setValue (flag, val);
2757 context_getValue (flagcode flag)
2759 int index = flagcode_valueIndex (flag);
2761 llassert (index >= 0 && index <= NUMVALUEFLAGS);
2762 return (gc.values[index]);
2766 context_getCounter (flagcode flag)
2768 int index = flagcode_valueIndex (flag);
2770 llassert (index >= 0 && index <= NUMVALUEFLAGS);
2771 return (gc.counters[index]);
2775 context_incCounter (flagcode flag)
2777 int index = flagcode_valueIndex (flag);
2779 llassert (index >= 0 && index <= NUMVALUEFLAGS);
2781 gc.counters[index]++;
2785 context_decCounter (flagcode flag)
2787 int index = flagcode_valueIndex (flag);
2789 llassert (index >= 0 && index <= NUMVALUEFLAGS);
2790 gc.counters[index]--;
2793 bool context_showFunction (void)
2795 return (gc.showfunction);
2799 context_setString (flagcode flag, cstring val)
2801 int index = flagcode_stringIndex (flag);
2803 llassert (index >= 0 && index <= NUMSTRINGFLAGS);
2805 if (flag == FLG_SYSTEMDIRS)
2807 llassert (cstring_isDefined (val));
2809 if (cstring_firstChar (val) == '\"')
2812 cstring tval = cstring_copy (cstring_suffix (val, 1));
2814 if (cstring_lastChar (tval) != '\"')
2816 int n = cstring_length (tval) - 1;
2818 while (isspace ((int) cstring_getChar (tval, n)))
2823 if (cstring_getChar (tval, n) != '\"')
2825 llerror_flagWarning (message ("Setting -systemdirs to string with unmatching quotes: %s", val));
2829 cstring otval = tval;
2830 tval = cstring_prefix (tval, n);
2831 cstring_free (otval);
2835 val = cstring_copy (cstring_clip (tval, cstring_length (tval) - 1));
2836 DPRINTF (("val = %s", val));
2837 cstring_free (tval);
2838 cstring_free (oval);
2842 if (flag == FLG_TMPDIR)
2844 llassert (cstring_isDefined (val));
2846 if (cstring_length (val) == 0)
2849 val = message (".%s", cstring_makeLiteralTemp (CONNECTSTR));
2851 else if (cstring_lastChar (val) != CONNECTCHAR)
2853 val = cstring_appendChar (val, CONNECTCHAR);
2861 if (cstring_length (val) >= 1
2862 && cstring_firstChar (val) == '\"')
2864 llerror_flagWarning (message
2865 ("setting %s to string beginning with \". You probably "
2866 "don't meant to have the \"'s.",
2867 flagcode_unparse (flag)));
2870 if (flag == FLG_BOOLTYPE)
2875 gc.strings[index] = val;
2878 static /*@exposed@*/ cstring
2879 context_exposeString (flagcode flag)
2881 int index = flagcode_stringIndex (flag);
2883 llassert (index >= 0 && index <= NUMSTRINGFLAGS);
2884 return (gc.strings[index]);
2888 context_getString (flagcode flag)
2890 return (context_exposeString (flag));
2894 context_resetErrors (void)
2899 void context_initMod (void)
2900 /*@globals undef gc; @*/
2902 gc.kind = CX_GLOBAL;
2904 gc.savekind = CX_ERROR;
2905 gc.savecont.glob = FALSE;
2907 gc.instandardlib = FALSE;
2910 gc.linesprocessed = 0;
2911 gc.speclinesprocessed = 0;
2912 gc.insuppressregion = FALSE;
2913 gc.macroMissingParams = FALSE;
2914 gc.preprocessing = FALSE;
2915 gc.incommandline = FALSE;
2916 gc.mc = macrocache_create ();
2918 gc.maxmods = DEFAULTMAXMODS;
2919 gc.moduleaccess = (maccesst *) dmalloc (sizeof (*gc.moduleaccess) * (gc.maxmods));
2921 gc.library = FLG_ANSILIB;
2923 gc.locstack = filelocStack_new ();
2924 gc.modrecs = sRefSetList_undefined;
2925 gc.anyExports = FALSE;
2927 gc.ftab = fileTable_create ();
2928 gc.msgLog = messageLog_new ();
2929 gc.inimport = FALSE;
2930 gc.inDerivedFile = FALSE;
2931 gc.inheader = FALSE;
2932 gc.markers = flagMarkerList_new ();
2933 gc.cont.glob = TRUE;
2934 gc.showfunction = FALSE;
2935 gc.msgAnnote = cstring_undefined;
2936 gc.aliasAnnote = sRef_undefined;
2937 gc.aliasAnnoteAls = sRef_undefined;
2938 gc.boolType = ctype_bool;
2939 gc.mods = sRefSet_new ();
2941 gc.saveloc = fileloc_undefined;
2943 gc.inmacrocache = FALSE;
2944 gc.inclause = NOCLAUSE;
2945 gc.clauses = clauseStack_new ();
2946 gc.globs = globSet_new ();
2947 gc.nacct = typeIdSet_emptySet ();
2948 gc.acct = typeIdSet_emptySet ();
2949 gc.facct = typeIdSet_emptySet ();
2950 gc.savedFlags = FALSE;
2951 gc.pushloc = fileloc_undefined;
2952 gc.protectVars = FALSE;
2953 gc.justpopped = FALSE;
2954 gc.isNullGuarded = NO;
2955 gc.globs_used = globSet_undefined;
2959 gc.setGlobally[code] = FALSE;
2960 gc.setLocally[code] = FALSE;
2961 } end_allFlagCodes ;
2965 context_resetAllFlags ();
2966 assertSet (gc.flags); /* Can't use global in defines */
2967 assertSet (gc.saveflags);
2968 assertSet (gc.values);
2969 assertSet (gc.strings);
2971 conext_resetAllCounters ();
2972 assertSet (gc.counters);
2974 context_setMode (DEFAULT_MODE);
2976 gc.stateTable = metaStateTable_create ();
2977 gc.annotTable = annotationTable_create ();
2979 gc.inFunctionHeader = FALSE;
2981 DPRINTF (("Annotations: \n%s",
2982 cstring_toCharsSafe (annotationTable_unparse (gc.annotTable))));
2983 DPRINTF (("State: \n%s",
2984 cstring_toCharsSafe (metaStateTable_unparse (gc.stateTable))));
2989 context_typeofZero (void)
2991 ctype ct = ctype_int;
2993 if (context_getFlag (FLG_ZEROPTR))
2995 ct = ctype_makeConj (ct, ctype_voidPointer);
2998 if (context_getFlag (FLG_ZEROBOOL)) {
2999 ct = ctype_makeConj (ct, ctype_bool);
3006 context_typeofOne (void)
3008 ctype ct = ctype_int;
3010 /* 1 is on longer a bool (was before 2.4)
3011 if (!context_getFlag (FLG_ABSTRACTBOOL))
3013 ct = ctype_makeConj (ct, ctype_bool);
3021 context_unparse (void)
3028 s = message ("LCL File: %q", fileloc_unparse (g_currentloc));
3031 s = message ("LCL Lib File: %q", fileloc_unparse (g_currentloc));
3034 s = message ("Global Context:%q", fileloc_unparse (g_currentloc));
3037 s = message ("Inner Context [%d] : %q",
3039 fileloc_unparse (g_currentloc));
3042 s = message ("Function %q :%q \n\taccess %q\n\tmodifies %q",
3043 uentry_unparse (gc.cont.fcn),
3044 fileloc_unparse (g_currentloc),
3045 typeIdSet_unparse (gc.acct),
3046 sRefSet_unparse (gc.mods));
3049 s = message ("Function Macro %q", uentry_unparse (gc.cont.fcn));
3051 case CX_UNKNOWNMACRO:
3052 s = message ("Forward Specified Macro %q", uentry_unparse (gc.cont.fcn));
3055 s = message ("Constant Macro %q", uentry_unparse (gc.cont.fcn));
3058 s = message ("Iter definition %q", uentry_unparse (gc.cont.fcn));
3061 s = message ("Iter end %q", uentry_unparse (gc.cont.fcn));
3063 case CX_FCNDECLARATION:
3064 s = message ("Function declaration %q", uentry_unparse (gc.cont.fcn));
3067 s = message ("Un-unparseable context: %d", (int) gc.kind);
3071 s = message ("%q\naccess: %q", s, context_unparseAccess ());
3076 context_currentFunctionType (void)
3078 if (gc.kind == CX_FUNCTION || gc.kind == CX_MACROFCN)
3080 return (uentry_getType (gc.cont.fcn));
3082 else if (gc.kind == CX_INNER)
3084 llcontbuglit ("context_currentFunctionType: inner context");
3085 do { context_exitInnerPlain (); } while (gc.kind == CX_INNER);
3086 return (context_currentFunctionType ());
3090 llcontbuglit ("context_currentFunctionType: not in function");
3091 return (ctype_undefined);
3096 context_enterInnerContext (void)
3098 if (context_getFlag (FLG_GRAMMAR))
3100 lldiagmsg (message ("Enter inner context: %q", context_unparse ()));
3103 if (gc.kind == CX_GLOBAL)
3108 else if (gc.kind == CX_INNER)
3117 usymtab_enterScope ();
3118 pushClause (NOCLAUSE);
3122 context_exitInnerPlain (void) /*@modifies gc;@*/
3124 context_exitInner (exprNode_undefined);
3128 context_exitInner (exprNode exp)
3130 if (context_getFlag (FLG_GRAMMAR))
3132 lldiagmsg (message ("Enter inner context: %q", context_unparse ()));
3135 llassertprint (gc.inclause == NOCLAUSE || gc.inclause == CASECLAUSE,
3136 ("inclause = %s", clause_nameTaken (gc.inclause)));
3138 clauseStack_removeFirst (gc.clauses, NOCLAUSE);
3139 gc.inclause = topClause (gc.clauses);
3141 if (gc.kind == CX_INNER)
3143 if (--gc.cont.cdepth == 0)
3145 gc.kind = CX_GLOBAL;
3146 gc.cont.glob = TRUE;
3151 if (gc.kind == CX_GLOBAL)
3153 llcontbuglit ("Attempt to exit global context");
3158 usymtab_exitScope (exp);
3163 context_enterStructInnerContext (void)
3165 if (context_getFlag (FLG_GRAMMAR))
3167 lldiagmsg (message ("Enter struct inner context: %q", context_unparse ()));
3170 if (gc.kind == CX_GLOBAL)
3175 else if (gc.kind == CX_INNER)
3184 usymtab_enterScope ();
3186 if (context_getFlag (FLG_GRAMMAR))
3188 lldiagmsg (message ("Enter struct inner context: %q", context_unparse ()));
3193 context_exitStructInnerContext (void)
3195 if (context_getFlag (FLG_GRAMMAR))
3197 lldiagmsg (message ("Exit struct inner context: %q [%d]", context_unparse (), gc.cont.cdepth));
3200 if (gc.kind == CX_INNER)
3202 if (gc.cont.cdepth <= 0)
3204 llcontbuglit ("Attempt to exit inner context with no depth");
3205 gc.kind = CX_GLOBAL;
3206 gc.cont.glob = TRUE;
3212 if (gc.cont.cdepth == 0)
3214 gc.kind = CX_GLOBAL;
3215 gc.cont.glob = TRUE;
3221 if (gc.kind == CX_GLOBAL)
3223 llcontbuglit ("Attempt to exit global context");
3228 usymtab_exitScope (exprNode_undefined);
3230 if (context_getFlag (FLG_GRAMMAR))
3232 lldiagmsg (message ("After exit struct inner context: %q [%d]", context_unparse (), gc.cont.cdepth));
3237 context_exitInnerSafe (void)
3239 if (context_getFlag (FLG_GRAMMAR))
3241 lldiagmsg (message ("Exit inner safe: %q", context_unparse ()));
3244 if (gc.kind == CX_INNER)
3246 if (--gc.cont.cdepth <= 0)
3251 else if (gc.kind == CX_GLOBAL)
3253 llcontbuglit ("Attempt to exit global context");
3258 if (usymtab_inDeepScope ())
3260 usymtab_exitScope (exprNode_undefined);
3266 void setModuleAccess (void)
3268 gc.facct = typeIdSet_emptySet ();
3270 if (fileId_isValid (currentFile ()))
3272 cstring baseName = fileloc_getBase (g_currentloc);
3274 if (context_getFlag (FLG_ACCESSFILE))
3276 if (usymtab_existsType (baseName))
3278 gc.facct = typeIdSet_insert (gc.facct,
3279 usymtab_getTypeId (baseName));
3287 if (context_getFlag (FLG_ACCESSMODULE))
3290 bool hasaccess = FALSE;
3292 for (i = 0; i < gc.nmods; i++)
3294 if (cstring_equal (baseName, gc.moduleaccess[i].file))
3296 gc.facct = typeIdSet_union (gc.facct, gc.moduleaccess[i].daccess);
3305 gc.inheader = fileId_isHeader (currentFile ());
3309 llcontbuglit ("Current file not defined\n");
3310 gc.facct = typeIdSet_emptySet ();
3312 gc.inheader = FALSE;
3315 /* 17 Jan 1995: forgot to clear nacct */
3317 gc.nacct = typeIdSet_emptySet ();
3321 context_enterFileAux (void)
3327 context_enterFile (void)
3329 context_enterFileAux ();
3330 usymtab_enterFile ();
3334 context_enterMacroFile (void)
3336 context_enterFileAux ();
3340 context_inFunction (void)
3342 kcontext ck = gc.kind;
3344 return ((ck == CX_FUNCTION) || (ck == CX_MACROFCN) || (ck == CX_INNER));
3348 context_inFunctionLike (void)
3350 return (gc.kind == CX_FUNCTION || gc.kind == CX_MACROFCN
3351 || gc.kind == CX_FCNDECLARATION
3352 || gc.kind == CX_UNKNOWNMACRO || gc.kind == CX_ITERDEF);
3356 context_inRealFunction (void)
3358 kcontext ck = gc.kind;
3360 return ((ck == CX_FUNCTION) || (ck == CX_MACROFCN));
3364 context_processAllMacros (void)
3366 usymtab_enterFile ();
3368 gc.inmacrocache = TRUE;
3369 macrocache_processUndefinedElements (gc.mc);
3371 usymtab_exitFile ();
3373 gc.inmacrocache = FALSE;
3374 macrocache_finalize ();
3378 ** this happens once at the end of each C file
3380 ** check each Macro that was defined in current file.c or current file.h
3385 context_processMacros (void)
3387 if (fileId_isValid (currentFile ()))
3390 cstring cbase = fileLib_removePathFree (fileLib_removeAnyExtension (fileName (currentFile ())));
3392 gc.inmacrocache = TRUE;
3394 DPRINTF (("Processing macros: %s", cbase));
3395 lastfl = macrocache_processFileElements (gc.mc, cbase);
3396 DPRINTF (("Processing macros: %s", fileloc_unparse (lastfl)));
3398 cstring_free (cbase);
3400 if (fileloc_isDefined (lastfl))
3402 g_currentloc = fileloc_update (g_currentloc, lastfl);
3406 gc.inmacrocache = FALSE;
3411 context_processingMacros (void)
3413 return (gc.inmacrocache);
3417 context_exitCFile (void)
3419 if (gc.kind != CX_GLOBAL)
3422 (cstring_makeLiteral ("File ended outside global scope"));
3425 if (gc.insuppressregion)
3427 /* gack...don't reverse the order of these lines! ;-> */
3428 gc.insuppressregion = FALSE;
3429 llerrorlit (FLG_SYNTAX,
3430 "File ended in ignore errors region, "
3431 "possible missing /*@end*/");
3434 /* fix up parse errors */
3436 while (!usymtab_inFileScope ())
3438 usymtab_quietExitScope (g_currentloc);
3442 ** Clear the file-specific modifies information.
3445 sRefSetList_elements (gc.modrecs, mods)
3447 sRefSet_clearStatics (mods);
3448 } end_sRefSetList_elements ;
3450 sRefSetList_clear (gc.modrecs);
3452 context_processMacros ();
3455 usymtab_exitFile ();
3457 gc.inDerivedFile = FALSE;
3458 filelocStack_clear (gc.locstack);
3460 gc.nacct = typeIdSet_emptySet (); /* empty noaccess */
3462 gc.cont.glob = TRUE;
3466 context_restoreFlagSettings ();
3467 gc.savedFlags = FALSE;
3471 DPRINTF (("After exiting file: "));
3472 usymtab_printAll ();
3477 context_exitMacroCache (void)
3479 if (gc.kind != CX_GLOBAL)
3481 if (context_inMacro ())
3482 /* this is okay, file could end without newline in macro */
3484 DPRINTF (("Still in macro: %s",
3485 context_unparse ()));
3486 context_exitFunction ();
3490 llcontbug (message ("context_exitMacroCache: outside global scope: %q",
3491 context_unparse ()));
3492 gc.kind = CX_GLOBAL;
3497 ** no longer valid here
3498 ** if (gc.insuppressregion)
3500 ** gc.insuppressregion = FALSE;
3501 ** llerror ("File ended in ignore errors region, possible missing @");
3505 gc.cont.glob = TRUE;
3509 context_saveLocation (void)
3511 /* was llassert (fileloc_isUndefined (gc.saveloc)) */
3512 fileloc_free (gc.saveloc);
3513 gc.saveloc = fileloc_copy (g_currentloc);
3517 context_getSaveLocation (void)
3519 fileloc fl = gc.saveloc;
3520 gc.saveloc = fileloc_undefined;
3524 /*@observer@*/ cstring
3525 context_inFunctionName (void)
3527 if (gc.kind == CX_FUNCTION
3528 || gc.kind == CX_MACROFCN || gc.kind == CX_UNKNOWNMACRO
3529 || gc.kind == CX_MACROCONST
3530 || gc.kind == CX_ITERDEF || gc.kind == CX_ITEREND)
3532 return (uentry_rawName (gc.cont.fcn));
3536 llcontbuglit ("context_inFunctionName: not in function");
3537 return (cstring_undefined);
3542 context_userSetFlag (flagcode f, bool b)
3544 DPRINTF (("set flag: %s", flagcode_unparse (f)));
3546 if (f == FLG_NEVERINCLUDE && b)
3548 if (gc.flags[FLG_EXPORTHEADER])
3550 llerror_flagWarning (cstring_makeLiteral
3551 ("setting +neverinclude after +exportheader. "
3552 "Turning off exportheader, since headers are not checked "
3553 "when +neverinclude is used."));
3555 gc.flags[FLG_EXPORTHEADER] = FALSE;
3560 if (f == FLG_EXPORTHEADER && b)
3562 if (gc.flags[FLG_NEVERINCLUDE])
3564 llerror_flagWarning (cstring_makeLiteral
3565 ("setting +exportheader after +neverinclude. "
3566 "Not setting exportheader, since headers are not checked "
3567 "when +neverinclude is used."));
3568 gc.flags[FLG_EXPORTHEADER] = FALSE;
3574 if (context_getFlag (FLG_WARNFLAGS) && f != FLG_NOF && f != FLG_OPTF)
3576 bool lastsetting = context_getFlag (f);
3578 if (bool_equal (lastsetting, b)
3579 && !flagcode_isSpecialFlag (f)
3580 && !flagcode_isIdemFlag (f)
3581 && !flagcode_hasArgument (f))
3583 llerror_flagWarning (message ("setting %s%s redundant with current value",
3584 cstring_makeLiteralTemp (b ? "+" : "-"),
3585 flagcode_unparse (f)));
3589 if (flagcode_isWarnUseFlag (f) && b)
3591 if (!context_getFlag (FLG_WARNUSE))
3593 llerror_flagWarning (message ("flag +%s is canceled by -warnuse",
3594 flagcode_unparse (f)));
3600 if (flagcode_isLibraryFlag (f))
3602 if (gc.library != FLG_ANSILIB
3605 llerror_flagWarning (message ("selecting library %s after library %s was "
3606 "selected (only one library may be used)",
3607 flagcode_unparse (f),
3608 flagcode_unparse (gc.library)));
3611 if (f == FLG_UNIXLIB)
3613 if (context_getFlag (FLG_WARNUNIXLIB))
3615 llerror_flagWarning (cstring_makeLiteral
3616 ("selecting unix library. Unix library is "
3617 "ad hoc addition to POSIX library. Recommend "
3618 "use +posixlib to select POSIX library instead. "
3619 "Use -warnunixlib to suppress this message."));
3626 if (flagcode_isNameChecksFlag (f) && b && !context_maybeSet (FLG_NAMECHECKS))
3628 llerror_flagWarning (message
3629 ("setting +%s will not produce warnings with -namechecks. Must set +namechecks also.",
3630 flagcode_unparse (f)));
3633 gc.setGlobally[f] = TRUE;
3634 context_setFlag (f, b);
3638 context_fileSetFlag (flagcode f, ynm set)
3642 context_saveFlagSettings ();
3645 if (ynm_isOff (set))
3647 context_setFlagAux (f, FALSE, TRUE, FALSE);
3649 else if (ynm_isOn (set))
3651 context_setFlagAux (f, TRUE, TRUE, FALSE);
3652 gc.setLocally[f] = TRUE;
3656 context_restoreFlag (f);
3661 context_restoreFlag (flagcode f)
3668 message ("Attempt to restore flag %s when no file scope flags "
3670 flagcode_unparse (f)),
3675 context_addFlagMarker (f, MAYBE);
3676 context_setFlagAux (f, gc.saveflags[f], FALSE, TRUE);
3682 context_setFlag (flagcode f, bool b)
3684 context_setFlagAux (f, b, FALSE, FALSE);
3688 context_setFlagTemp (flagcode f, bool b)
3690 DPRINTF (("Set flag temp: %s / %s", flagcode_unparse (f), bool_unparse (b)));
3695 # define DOSET(ff,b) \
3696 do { if (inFile) { gc.setLocally[ff] = TRUE; \
3697 context_addFlagMarker (ff, ynm_fromBool (b)); } \
3698 DPRINTF (("set flag: %s / %s", flagcode_unparse (ff), bool_unparse (b))); \
3699 gc.flags[ff] = b; } while (FALSE)
3702 context_setFlagAux (flagcode f, bool b, bool
3703 inFile, /*@unused@*/ bool isRestore)
3705 DPRINTF (("set flag: %s / %s", flagcode_unparse (f), bool_unparse (b)));
3707 if (f == FLG_USESTDERR)
3710 g_msgstream = stderr;
3712 g_msgstream = stdout;
3717 ** Removed test for special flags.
3720 if (flagcode_isIdemFlag (f))
3729 if (f >= FLG_ITS4MOSTRISKY && f <= FLG_ITS4LOWRISK)
3731 if (b) /* Turing higher level on, turns on all lower levels */
3735 case FLG_ITS4MOSTRISKY:
3736 DOSET (FLG_ITS4VERYRISKY, b);
3738 case FLG_ITS4VERYRISKY:
3739 DOSET (FLG_ITS4RISKY, b);
3742 DOSET (FLG_ITS4MODERATERISK, b);
3744 case FLG_ITS4MODERATERISK:
3745 DOSET (FLG_ITS4LOWRISK, b);
3747 case FLG_ITS4LOWRISK:
3752 else /* Turning level off, turns off all higher levels */
3756 case FLG_ITS4LOWRISK:
3757 DOSET (FLG_ITS4MODERATERISK, b);
3759 case FLG_ITS4MODERATERISK:
3760 DOSET (FLG_ITS4RISKY, b);
3763 DOSET (FLG_ITS4VERYRISKY, b);
3765 case FLG_ITS4VERYRISKY:
3766 DOSET (FLG_ITS4MOSTRISKY, b);
3768 case FLG_ITS4MOSTRISKY:
3778 DOSET (FLG_ALLEMPTY, b);
3779 DOSET (FLG_IFEMPTY, b);
3780 DOSET (FLG_WHILEEMPTY, b);
3781 DOSET (FLG_FOREMPTY, b);
3784 DOSET (FLG_PREDBOOL, b);
3785 DOSET (FLG_PREDBOOLINT, b);
3786 DOSET (FLG_PREDBOOLPTR, b);
3787 DOSET (FLG_PREDBOOLOTHERS, b);
3790 DOSET (FLG_CHECKSTRICTGLOBALIAS, b);
3791 DOSET (FLG_CHECKEDGLOBALIAS, b);
3792 DOSET (FLG_CHECKMODGLOBALIAS, b);
3793 DOSET (FLG_UNCHECKEDGLOBALIAS, b);
3796 DOSET (FLG_ALLBLOCK, b);
3797 DOSET (FLG_IFBLOCK, b);
3798 DOSET (FLG_WHILEBLOCK, b);
3799 DOSET (FLG_FORBLOCK, b);
3813 DOSET (FLG_GRAMMAR, b);
3815 case FLG_CODEIMPONLY:
3816 DOSET (FLG_CODEIMPONLY, b);
3817 DOSET (FLG_GLOBIMPONLY, b);
3818 DOSET (FLG_RETIMPONLY, b);
3819 DOSET (FLG_STRUCTIMPONLY, b);
3821 case FLG_SPECALLIMPONLY:
3822 DOSET (FLG_SPECALLIMPONLY, b);
3823 DOSET (FLG_SPECGLOBIMPONLY, b);
3824 DOSET (FLG_SPECRETIMPONLY, b);
3825 DOSET (FLG_SPECSTRUCTIMPONLY, b);
3827 case FLG_ALLIMPONLY:
3828 DOSET (FLG_ALLIMPONLY, b);
3829 DOSET (FLG_GLOBIMPONLY, b);
3830 DOSET (FLG_RETIMPONLY, b);
3831 DOSET (FLG_STRUCTIMPONLY, b);
3832 DOSET (FLG_SPECGLOBIMPONLY, b);
3833 DOSET (FLG_SPECRETIMPONLY, b);
3834 DOSET (FLG_SPECSTRUCTIMPONLY, b);
3836 case FLG_ANSILIMITS:
3837 DOSET (FLG_ANSILIMITS, b);
3838 DOSET (FLG_CONTROLNESTDEPTH, b);
3839 DOSET (FLG_STRINGLITERALLEN, b);
3840 DOSET (FLG_INCLUDENEST, b);
3841 DOSET (FLG_NUMSTRUCTFIELDS, b);
3842 DOSET (FLG_NUMENUMMEMBERS, b);
3846 context_setValue (FLG_CONTROLNESTDEPTH, DEFAULT_CONTROLNESTDEPTH);
3847 context_setValue (FLG_STRINGLITERALLEN, DEFAULT_STRINGLITERALLEN);
3848 context_setValue (FLG_INCLUDENEST, DEFAULT_INCLUDENEST);
3849 context_setValue (FLG_NUMSTRUCTFIELDS, DEFAULT_NUMSTRUCTFIELDS);
3850 context_setValue (FLG_NUMENUMMEMBERS, DEFAULT_NUMENUMMEMBERS);
3853 case FLG_EXTERNALNAMELEN:
3854 DOSET (FLG_DISTINCTEXTERNALNAMES, TRUE);
3855 DOSET (FLG_EXTERNALNAMELEN, TRUE);
3857 case FLG_INTERNALNAMELEN:
3858 DOSET (FLG_DISTINCTINTERNALNAMES, TRUE);
3859 DOSET (FLG_INTERNALNAMELEN, TRUE);
3861 case FLG_EXTERNALNAMECASEINSENSITIVE:
3862 DOSET (FLG_EXTERNALNAMECASEINSENSITIVE, b);
3864 if (b && !gc.flags[FLG_DISTINCTEXTERNALNAMES])
3866 DOSET (FLG_DISTINCTEXTERNALNAMES, TRUE);
3867 context_setValue (FLG_EXTERNALNAMELEN, 0);
3870 case FLG_INTERNALNAMECASEINSENSITIVE:
3871 DOSET (FLG_INTERNALNAMECASEINSENSITIVE, b);
3873 if (b && !gc.flags[FLG_DISTINCTINTERNALNAMES])
3875 DOSET (FLG_DISTINCTINTERNALNAMES, TRUE);
3876 context_setValue (FLG_INTERNALNAMELEN, 0);
3879 case FLG_INTERNALNAMELOOKALIKE:
3880 DOSET (FLG_INTERNALNAMELOOKALIKE, b);
3882 if (b && !gc.flags[FLG_DISTINCTINTERNALNAMES])
3884 DOSET (FLG_DISTINCTINTERNALNAMES, TRUE);
3885 context_setValue (FLG_INTERNALNAMELEN, 0);
3889 DOSET (FLG_MODNOMODS, b);
3890 DOSET (FLG_MODGLOBSUNSPEC, b);
3891 DOSET (FLG_MODSTRICTGLOBSUNSPEC, b);
3894 DOSET (FLG_EXPORTVAR, b);
3895 DOSET (FLG_EXPORTFCN, b);
3896 DOSET (FLG_EXPORTTYPE, b);
3897 DOSET (FLG_EXPORTMACRO, b);
3898 DOSET (FLG_EXPORTCONST, b);
3899 gc.anyExports = TRUE;
3902 DOSET (FLG_RETEXPOSE, b);
3903 DOSET (FLG_ASSIGNEXPOSE, b);
3904 DOSET (FLG_CASTEXPOSE, b);
3907 DOSET (FLG_RETVALBOOL, b);
3908 DOSET (FLG_RETVALINT, b);
3909 DOSET (FLG_RETVALOTHER, b);
3914 DOSET (FLG_EXPORTLOCAL, FALSE);
3915 DOSET (FLG_DECLUNDEF, FALSE);
3916 DOSET (FLG_SPECUNDEF, FALSE);
3917 DOSET (FLG_TOPUNUSED, FALSE);
3921 DOSET (FLG_LOOPLOOPBREAK, b);
3922 DOSET (FLG_LOOPSWITCHBREAK, b);
3923 DOSET (FLG_SWITCHLOOPBREAK, b);
3924 DOSET (FLG_SWITCHSWITCHBREAK, b);
3925 DOSET (FLG_LOOPLOOPCONTINUE, b);
3926 DOSET (FLG_DEEPBREAK, b);
3929 DOSET (FLG_ACCESSMODULE, b);
3930 DOSET (FLG_ACCESSFILE, b);
3931 DOSET (FLG_ACCESSCZECH, b);
3934 DOSET (FLG_ALLMACROS, b);
3935 DOSET (FLG_FCNMACROS, b);
3936 DOSET (FLG_CONSTMACROS, b);
3939 if (b) { DOSET (FLG_ACCESSCZECH, b); }
3940 DOSET (FLG_CZECHFUNCTIONS, b);
3941 DOSET (FLG_CZECHVARS, b);
3942 DOSET (FLG_CZECHCONSTANTS, b);
3943 DOSET (FLG_CZECHTYPES, b);
3946 if (b) { DOSET (FLG_ACCESSSLOVAK, b); }
3947 DOSET (FLG_SLOVAKFUNCTIONS, b);
3948 DOSET (FLG_SLOVAKVARS, b);
3949 DOSET (FLG_SLOVAKCONSTANTS, b);
3950 DOSET (FLG_SLOVAKTYPES, b);
3952 case FLG_CZECHOSLOVAK:
3953 if (b) { DOSET (FLG_ACCESSCZECHOSLOVAK, b); }
3954 DOSET (FLG_CZECHOSLOVAKFUNCTIONS, b);
3955 DOSET (FLG_CZECHOSLOVAKVARS, b);
3956 DOSET (FLG_CZECHOSLOVAKCONSTANTS, b);
3957 DOSET (FLG_CZECHOSLOVAKTYPES, b);
3960 DOSET (FLG_NULLSTATE, b);
3961 DOSET (FLG_NULLDEREF, b);
3962 DOSET (FLG_NULLASSIGN, b);
3963 DOSET (FLG_NULLPASS, b);
3964 DOSET (FLG_NULLRET, b);
3967 DOSET (FLG_NULLSTATE, b);
3968 DOSET (FLG_NULLDEREF, b);
3969 DOSET (FLG_NULLASSIGN, b);
3970 DOSET (FLG_NULLPASS, b);
3971 DOSET (FLG_NULLRET, b);
3972 DOSET (FLG_COMPDEF, b);
3973 DOSET (FLG_COMPMEMPASS, b);
3974 DOSET (FLG_UNIONDEF, b);
3975 DOSET (FLG_MEMTRANS, b);
3976 DOSET (FLG_USERELEASED, b);
3977 DOSET (FLG_ALIASUNIQUE, b);
3978 DOSET (FLG_MAYALIASUNIQUE, b);
3979 DOSET (FLG_MUSTFREE, b);
3980 DOSET (FLG_MUSTDEFINE, b);
3981 DOSET (FLG_GLOBSTATE, b);
3982 DOSET (FLG_COMPDESTROY, b);
3983 DOSET (FLG_MUSTNOTALIAS, b);
3984 DOSET (FLG_MEMIMPLICIT, b);
3985 DOSET (FLG_BRANCHSTATE, b);
3986 /*@fallthrough@*/ /* also sets memtrans flags */
3988 DOSET (FLG_MEMTRANS, b);
3989 DOSET (FLG_EXPOSETRANS, b);
3990 DOSET (FLG_OBSERVERTRANS, b);
3991 DOSET (FLG_DEPENDENTTRANS, b);
3992 DOSET (FLG_NEWREFTRANS, b);
3993 DOSET (FLG_ONLYTRANS, b);
3994 DOSET (FLG_OWNEDTRANS, b);
3995 DOSET (FLG_FRESHTRANS, b);
3996 DOSET (FLG_SHAREDTRANS, b);
3997 DOSET (FLG_TEMPTRANS, b);
3998 DOSET (FLG_KEPTTRANS, b);
3999 DOSET (FLG_REFCOUNTTRANS, b);
4000 DOSET (FLG_STATICTRANS, b);
4001 DOSET (FLG_UNKNOWNTRANS, b);
4002 DOSET (FLG_KEEPTRANS, b);
4003 DOSET (FLG_IMMEDIATETRANS, b);
4010 if (b && !gc.anyExports
4011 && (f == FLG_EXPORTVAR || f == FLG_EXPORTFCN
4012 || f == FLG_EXPORTTYPE || f == FLG_EXPORTMACRO
4013 || f == FLG_EXPORTCONST
4014 || f == FLG_EXPORTANY))
4016 gc.anyExports = TRUE;
4021 context_maybeSet (flagcode d)
4023 return (gc.flags[d] || gc.setLocally[d]);
4027 context_getFlag (flagcode d)
4029 return (gc.flags[d]);
4033 context_flagOn (flagcode f, fileloc loc)
4035 return (!context_suppressFlagMsg (f, loc));
4038 static void context_saveFlagSettings (void)
4040 gc.savedFlags = TRUE;
4041 llassert (sizeof (gc.saveflags) == sizeof (gc.flags));
4042 memcpy (gc.saveflags, gc.flags, sizeof (gc.flags));
4045 static void context_restoreFlagSettings (void)
4047 llassert (sizeof (gc.saveflags) == sizeof (gc.flags));
4048 memcpy (gc.flags, gc.saveflags, sizeof (gc.flags));
4049 gc.savedFlags = FALSE;
4052 void context_setFilename (fileId fid, int lineno)
4053 /*@globals fileloc g_currentloc;@*/
4054 /*@modifies g_currentloc@*/
4056 if (fileId_baseEqual (currentFile (), fid))
4063 fileloc_setColumn (g_currentloc, 0);
4065 if (fileloc_isSpecialFile (g_currentloc))
4067 gc.inDerivedFile = TRUE;
4070 if (filelocStack_popPushFile (gc.locstack, g_currentloc))
4072 int maxdepth = context_getValue (FLG_INCLUDENEST);
4074 if (filelocStack_size (gc.locstack) > maxdepth)
4076 int depth = filelocStack_includeDepth (gc.locstack);
4078 if (depth > maxdepth)
4082 message ("Maximum include nesting depth "
4083 "(%d, current depth %d) exceeded",
4086 filelocStack_nextTop (gc.locstack)))
4088 filelocStack_printIncludes (gc.locstack);
4094 g_currentloc = fileloc_create (fid, lineno, 1);
4095 gc.inheader = fileId_isHeader (currentFile ());
4097 context_enterFileAux ();
4101 void context_enterIterDef (/*@observer@*/ uentry le)
4103 context_enterMacro (le);
4104 gc.acct = typeIdSet_subtract (gc.facct, gc.nacct);
4105 gc.kind = CX_ITERDEF;
4108 void context_enterIterEnd (/*@observer@*/ uentry le)
4110 context_enterMacro (le);
4111 gc.kind = CX_ITEREND;
4115 context_destroyMod (void)
4116 /*@globals killed gc@*/
4119 ctype_destroyMod ();
4123 fileTable_free (gc.ftab);
4124 filelocStack_free (gc.locstack);
4126 gc.ftab = fileTable_undefined;
4128 macrocache_free (gc.mc);
4129 sfree (gc.moduleaccess);
4132 fileloc_free (gc.saveloc); gc.saveloc = fileloc_undefined;
4133 fileloc_free (gc.pushloc); gc.pushloc = fileloc_undefined;
4136 sRefSetList_free (gc.modrecs);
4138 flagMarkerList_free (gc.markers);
4140 messageLog_free (gc.msgLog);
4142 clauseStack_free (gc.clauses);
4145 cstring_free (gc.msgAnnote);
4146 globSet_free (gc.globs_used);
4147 metaStateTable_free (gc.stateTable);
4148 annotationTable_free (gc.annotTable);
4155 bool context_msgBoolInt (void)
4157 return gc.flags [FLG_BOOLINT];
4160 bool context_msgCharInt (void)
4162 return gc.flags [FLG_CHARINT];
4165 bool context_msgEnumInt (void)
4167 return gc.flags [FLG_ENUMINT];
4170 bool context_msgPointerArith (void)
4172 return gc.flags [FLG_POINTERARITH];
4175 bool context_msgStrictOps (void)
4177 return gc.flags [FLG_STRICTOPS];
4181 bool context_msgLh (void)
4183 return gc.flags [FLG_DOLH];
4187 void context_pushLoc (void)
4189 fileloc_free (gc.pushloc);
4190 gc.pushloc = gc.saveloc;
4191 gc.saveloc = fileloc_undefined;
4194 void context_popLoc (void)
4196 gc.saveloc = fileloc_update (gc.saveloc, gc.pushloc);
4199 bool context_inGlobalScope (void)
4201 return (usymtab_inFileScope() || usymtab_inGlobalScope ());
4204 bool context_inInnerScope (void)
4206 return (gc.kind == CX_INNER);
4209 void context_setProtectVars (void)
4211 gc.protectVars = TRUE;
4214 bool context_anyErrors (void)
4216 return (gc.numerrors > 0);
4219 void context_hasError (void)
4222 DPRINTF (("num errors: %d", gc.numerrors));
4225 int context_numErrors (void)
4227 return gc.numerrors;
4230 bool context_neednl (void)
4235 void context_setNeednl (void)
4240 int context_getExpect (void)
4242 return (context_getValue (FLG_EXPECT));
4246 int context_getLCLExpect (void)
4248 return (context_getValue (FLG_LCLEXPECT));
4252 int context_getLimit (void)
4254 return (context_getValue (FLG_LIMIT));
4257 bool context_unlimitedMessages (void)
4259 return (context_getLimit () < 0);
4262 void context_releaseVars (void)
4264 llassert (gc.protectVars);
4265 gc.protectVars = FALSE;
4268 void context_sizeofReleaseVars (void)
4270 /* If there is a nested sizeof, this might not hold:
4271 llassert (gc.protectVars);
4274 gc.protectVars = FALSE;
4277 bool context_inProtectVars (void)
4279 return (gc.protectVars);
4282 void context_hideShowscan (void)
4284 gc.flags[FLG_SHOWSCAN] = FALSE;
4287 void context_unhideShowscan (void)
4289 gc.flags[FLG_SHOWSCAN] = TRUE;
4292 bool context_inHeader (void)
4294 return (gc.inheader);
4297 fileTable context_fileTable (void)
4302 cstring context_tmpdir (void)
4304 return (context_getString (FLG_TMPDIR));
4307 messageLog context_messageLog (void)
4312 bool context_inMacroFunction (void)
4314 return (gc.kind == CX_MACROFCN);
4317 bool context_inMacroConstant (void)
4319 return (gc.kind == CX_MACROCONST);
4322 bool context_inUnknownMacro (void)
4324 return (gc.kind == CX_UNKNOWNMACRO);
4327 void context_setShownFunction (void)
4329 gc.showfunction = FALSE;
4332 bool context_doDump (void)
4334 return cstring_isNonEmpty (context_getString (FLG_DUMP));
4337 bool context_doMerge (void)
4339 return cstring_isNonEmpty (context_getString (FLG_MERGE));
4342 cstring context_getDump (void)
4344 return context_getString (FLG_DUMP);
4347 cstring context_getMerge (void)
4349 return context_getString (FLG_MERGE);
4353 bool context_inLCLLib (void)
4355 return (gc.kind == CX_LCLLIB);
4358 bool context_inImport (void)
4360 return (gc.inimport);
4363 void context_enterImport (void)
4368 void context_leaveImport (void)
4370 gc.inimport = FALSE;
4374 bool context_inMacro (void)
4376 return (gc.kind == CX_MACROFCN || gc.kind == CX_MACROCONST
4377 || gc.kind == CX_UNKNOWNMACRO
4378 || gc.kind == CX_ITERDEF || gc.kind == CX_ITEREND);
4381 bool context_inIterDef (void)
4383 return (gc.kind == CX_ITERDEF);
4386 bool context_inIterEnd (void)
4388 return (gc.kind == CX_ITEREND);
4391 int context_getLinesProcessed (void)
4393 return (gc.linesprocessed);
4396 int context_getSpecLinesProcessed (void)
4398 return (gc.speclinesprocessed);
4402 void context_processedSpecLine (void)
4404 gc.speclinesprocessed++;
4407 void context_resetSpecLines (void)
4409 gc.speclinesprocessed = 0;
4413 bool context_inGlobalContext (void)
4415 return (gc.kind == CX_GLOBAL);
4418 static void context_quietExitScopes (void)
4421 ** Try to restore the global scope (after an error).
4424 while (!usymtab_inFileScope ())
4426 usymtab_quietExitScope (g_currentloc);
4429 gc.cont.glob = TRUE;
4430 gc.kind = CX_GLOBAL;
4433 void context_checkGlobalScope (void)
4435 if (gc.kind != CX_GLOBAL)
4437 if (context_inMacro ())
4439 ; /* evans 2001-10-14: Okay to be in a macro here! */
4443 llcontbug (message ("Not in global scope as expected: %q", context_unparse ()));
4444 context_quietExitScopes ();
4449 void context_setFileId (fileId s)
4451 g_currentloc = fileloc_updateFileId (g_currentloc, s);
4454 bool context_setBoolName (void)
4456 return (!cstring_equalLit (context_getString (FLG_BOOLTYPE),
4460 cstring context_printBoolName (void)
4462 if (context_setBoolName ())
4464 return context_getBoolName ();
4468 return cstring_makeLiteralTemp ("boolean");
4472 cstring context_getBoolName (void)
4474 return (context_getString (FLG_BOOLTYPE));
4477 cstring context_getFalseName (void)
4479 return (context_getString (FLG_BOOLFALSE));
4482 cstring context_getTrueName (void)
4484 return (context_getString (FLG_BOOLTRUE));
4487 cstring context_getLarchPath (void)
4489 return (context_getString (FLG_LARCHPATH));
4492 cstring context_getLCLImportDir (void)
4494 return (context_getString (FLG_LCLIMPORTDIR));
4497 static void context_setJustPopped (void)
4499 gc.justpopped = TRUE;
4502 void context_clearJustPopped (void)
4504 gc.justpopped = FALSE;
4507 bool context_justPopped (void)
4509 return (gc.justpopped);
4512 void context_setMacroMissingParams (void)
4514 gc.macroMissingParams = TRUE;
4517 void context_resetMacroMissingParams (void)
4519 gc.macroMissingParams = FALSE;
4522 bool context_isMacroMissingParams (void)
4524 return (gc.macroMissingParams);
4527 void context_showFilelocStack (void)
4529 filelocStack_printIncludes (gc.locstack);
4532 metaStateTable context_getMetaStateTable (void)
4534 return gc.stateTable;
4537 metaStateInfo context_lookupMetaStateInfo (cstring key)
4539 return metaStateTable_lookup (gc.stateTable, key);
4542 /*@null@*/ annotationInfo context_lookupAnnotation (cstring annot)
4544 annotationInfo ainfo;
4546 ainfo = annotationTable_lookup (gc.annotTable, annot);
4551 void context_addAnnotation (annotationInfo ainfo)
4553 if (annotationTable_contains (gc.annotTable, annotationInfo_getName (ainfo)))
4557 message ("Duplicate annotation declaration: %s", annotationInfo_getName (ainfo)),
4558 annotationInfo_getLoc (ainfo));
4560 annotationInfo_free (ainfo);
4564 annotationTable_insert (gc.annotTable, ainfo);
4568 void context_addMetaState (cstring mname, metaStateInfo msinfo)
4570 if (metaStateTable_contains (gc.stateTable, mname))
4574 message ("Duplicate metastate declaration: %s", mname),
4575 metaStateInfo_getLoc (msinfo));
4576 cstring_free (mname);
4577 metaStateInfo_free (msinfo);
4581 DPRINTF (("Adding meta state: %s", mname));
4582 metaStateTable_insert (gc.stateTable, mname, msinfo);
4586 valueTable context_createValueTable (sRef s, stateInfo sinfo)
4588 if (metaStateTable_size (gc.stateTable) > 0)
4590 valueTable res = valueTable_create (metaStateTable_size (gc.stateTable));
4591 /*@i32 should use smaller value... */
4592 DPRINTF (("Value table for: %s", sRef_unparse (s)));
4594 metaStateTable_elements (gc.stateTable, msname, msi)
4596 mtContextNode context = metaStateInfo_getContext (msi);
4598 if (mtContextNode_matchesRefStrict (context, s))
4600 DPRINTF (("Create: %s", metaStateInfo_unparse (msi)));
4601 llassert (cstring_equal (msname, metaStateInfo_getName (msi)));
4605 cstring_copy (metaStateInfo_getName (msi)),
4606 stateValue_createImplicit (metaStateInfo_getDefaultValue (msi, s),
4607 stateInfo_copy (sinfo)));
4611 DPRINTF (("No match: %s", metaStateInfo_unparse (msi)));
4614 end_metaStateTable_elements ;
4616 stateInfo_free (sinfo);
4617 DPRINTF (("Value table: %s", valueTable_unparse (res)));
4622 stateInfo_free (sinfo);
4623 return valueTable_undefined;
4627 valueTable context_createGlobalMarkerValueTable (stateInfo sinfo)
4629 if (metaStateTable_size (gc.stateTable) > 0)
4631 valueTable res = valueTable_create (metaStateTable_size (gc.stateTable));
4632 /*@i32 should use smaller value... */
4634 metaStateTable_elements (gc.stateTable, msname, msi)
4636 /*@i23 only add global...*/
4637 DPRINTF (("Create: %s", metaStateInfo_unparse (msi)));
4638 llassert (cstring_equal (msname, metaStateInfo_getName (msi)));
4640 valueTable_insert (res,
4641 cstring_copy (metaStateInfo_getName (msi)),
4642 stateValue_create (metaStateInfo_getDefaultGlobalValue (msi),
4643 stateInfo_copy (sinfo)));
4645 end_metaStateTable_elements ;
4647 stateInfo_free (sinfo);
4648 DPRINTF (("Value table: %s", valueTable_unparse (res)));
4653 stateInfo_free (sinfo);
4654 return valueTable_undefined;