2 ** LCLint - annotation-assisted static program checker
3 ** Copyright (C) 1994-2001 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://lclint.cs.virginia.edu
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_LIKELYBOOL] = TRUE;
828 gc.flags[FLG_ZEROPTR] = TRUE;
829 gc.flags[FLG_NUMLITERAL] = TRUE;
830 gc.flags[FLG_DUPLICATEQUALS] = TRUE;
831 gc.flags[FLG_SKIPANSIHEADERS] = TRUE;
832 gc.flags[FLG_SKIPPOSIXHEADERS] = TRUE;
833 gc.flags[FLG_SYSTEMDIREXPAND] = TRUE;
834 gc.flags[FLG_UNRECOGCOMMENTS] = TRUE;
835 gc.flags[FLG_UNRECOGFLAGCOMMENTS] = TRUE;
836 gc.flags[FLG_CASTFCNPTR] = TRUE;
837 gc.flags[FLG_DOLCS] = TRUE;
838 gc.flags[FLG_USEVARARGS] = TRUE;
839 gc.flags[FLG_MAINTYPE] = TRUE;
840 gc.flags[FLG_SPECMACROS] = TRUE;
841 gc.flags[FLG_REDEF] = TRUE;
842 gc.flags[FLG_MACRONEXTLINE] = TRUE;
844 gc.flags[FLG_SIZEOFFORMALARRAY] = TRUE;
845 gc.flags[FLG_FIXEDFORMALARRAY] = TRUE;
847 gc.flags[FLG_WARNUSE] = TRUE;
848 gc.flags[FLG_PREDASSIGN] = TRUE;
849 gc.flags[FLG_MODOBSERVER] = TRUE;
850 gc.flags[FLG_MACROVARPREFIXEXCLUDE] = TRUE;
851 gc.flags[FLG_EXTERNALNAMECASEINSENSITIVE] = TRUE;
853 gc.flags[FLG_PARAMIMPTEMP] = TRUE;
854 gc.flags[FLG_RETIMPONLY] = TRUE;
855 gc.flags[FLG_GLOBIMPONLY] = TRUE;
856 gc.flags[FLG_STRUCTIMPONLY] = TRUE;
857 gc.flags[FLG_PREPROC] = TRUE;
858 gc.flags[FLG_NAMECHECKS] = TRUE;
859 gc.flags[FLG_FORMATCODE] = TRUE;
860 gc.flags[FLG_FORMATTYPE] = TRUE;
861 gc.flags[FLG_BADFLAG] = TRUE;
862 gc.flags[FLG_WARNFLAGS] = TRUE;
863 gc.flags[FLG_FILEEXTENSIONS] = TRUE;
864 gc.flags[FLG_WARNUNIXLIB] = TRUE;
865 gc.flags[FLG_WARNPOSIX] = TRUE;
866 gc.flags[FLG_SHOWCOL] = TRUE;
867 gc.flags[FLG_SHOWFUNC] = TRUE;
868 gc.flags[FLG_SUPCOUNTS] = TRUE;
869 gc.flags[FLG_HINTS] = TRUE;
870 gc.flags[FLG_SYNTAX] = TRUE;
871 gc.flags[FLG_TYPE] = TRUE;
872 gc.flags[FLG_INCOMPLETETYPE] = TRUE;
873 gc.flags[FLG_ABSTRACT] = TRUE;
874 gc.flags[FLG_ITER] = TRUE;
875 gc.flags[FLG_CONTROL] = TRUE;
876 gc.flags[FLG_UNRECOG] = TRUE;
877 gc.flags[FLG_SYSTEMUNRECOG] = TRUE;
878 gc.flags[FLG_LINTCOMMENTS] = TRUE;
879 gc.flags[FLG_ACCESSCZECH] = TRUE;
880 gc.flags[FLG_ACCESSMODULE] = TRUE;
881 gc.flags[FLG_ACCESSFILE] = TRUE;
882 gc.flags[FLG_MACROVARPREFIX] = TRUE;
884 gc.flags[FLG_ANNOTATIONERROR] = TRUE;
885 gc.flags[FLG_COMMENTERROR] = TRUE;
888 ** Changed for version 2.4.
891 gc.flags[FLG_GNUEXTENSIONS] = TRUE;
894 ** On by default for Win32, but not Unix (to support MS/VC++ error message format).
898 gc.flags[FLG_PARENFILEFORMAT] = TRUE;
903 ** C is way-lame, and you can initialize an array to a constant except where
904 ** it is declared. Hence, a macro is used to set the modeflags.
908 # define SETFLAGS() \
909 { int i = 0; while (modeflags[i] != INVALID_FLAG) { \
910 if (!flagcode_isModeFlag (modeflags[i])) \
911 { llbug (message ("not a mode flag: %s", \
912 flagcode_unparse (modeflags[i]))); } \
913 else { context_setFlag (modeflags[i], TRUE); } i++; }}
916 context_setMode (cstring s)
918 intSet setflags = intSet_new ();
922 if (flagcode_isModeFlag (code))
924 if (gc.setGlobally[code])
926 (void) intSet_insert (setflags, (int) code);
931 if (!intSet_isEmpty (setflags))
933 cstring rflags = cstring_undefined;
936 intSet_elements (setflags, el)
938 if (cstring_isUndefined (rflags))
940 rflags = cstring_copy (flagcode_unparse ((flagcode) (el)));
944 rflags = message ("%q, %s", rflags,
945 flagcode_unparse ((flagcode) el));
949 if (num > 4 && intSet_size (setflags) > 6)
951 rflags = message ("%q, (%d others) ...", rflags,
952 intSet_size (setflags) - num);
955 } end_intSet_elements ;
957 voptgenerror (FLG_WARNFLAGS,
958 message ("Setting mode %s after setting mode flags will "
959 "override set values of flags: %s",
963 cstring_free (rflags);
966 intSet_free (setflags);
968 context_resetModeFlags ();
970 if (cstring_equalLit (s, "standard"))
972 flagcode modeflags[] =
974 FLG_ENUMINT, FLG_MACROMATCHNAME,
975 FLG_MACROUNDEF, FLG_RELAXQUALS,
976 FLG_USEALLGLOBS, FLG_CHECKSTRICTGLOBALS,
977 FLG_CHECKSTRICTGLOBALIAS,
978 FLG_CHECKEDGLOBALIAS,
979 FLG_CHECKMODGLOBALIAS,
980 FLG_PREDBOOLOTHERS, FLG_PREDBOOLINT,
982 FLG_PARAMUNUSED, FLG_VARUNUSED, FLG_FUNCUNUSED,
984 FLG_CONSTUNUSED, FLG_ENUMMEMUNUSED, FLG_FIELDUNUSED,
985 FLG_PTRNUMCOMPARE, FLG_BOOLCOMPARE, FLG_UNSIGNEDCOMPARE,
986 FLG_MUTREP, FLG_NOEFFECT, FLG_IMPTYPE,
987 FLG_RETVALOTHER, FLG_RETVALBOOL, FLG_RETVALINT,
988 FLG_SPECUNDEF, FLG_INCONDEFS, FLG_INCONDEFSLIB, FLG_MISPLACEDSHAREQUAL,
991 FLG_MACROPARAMS, FLG_MACROASSIGN, FLG_SEFPARAMS,
992 FLG_MACROSTMT, FLG_MACROPARENS,
995 FLG_MACROREDEF, FLG_INFLOOPS, FLG_UNREACHABLE,
996 FLG_NORETURN, FLG_CASEBREAK, FLG_MISSCASE, FLG_USEDEF,
1001 /* memchecks flags */
1003 FLG_NULLSTATE, FLG_NULLASSIGN,
1004 FLG_NULLPASS, FLG_NULLRET,
1006 FLG_COMPDEF, FLG_COMPMEMPASS, FLG_UNIONDEF,
1009 /* memtrans flags */
1028 FLG_USERELEASED, FLG_ALIASUNIQUE, FLG_MAYALIASUNIQUE,
1029 FLG_MUSTFREE, FLG_MUSTDEFINE, FLG_GLOBSTATE,
1030 FLG_COMPDESTROY, FLG_MUSTNOTALIAS,
1033 FLG_STATETRANSFER, FLG_STATEMERGE,
1034 FLG_EVALORDER, FLG_SHADOW, FLG_READONLYSTRINGS,
1036 FLG_IMPCHECKEDSPECGLOBALS,
1037 FLG_MODGLOBS, FLG_WARNLINTCOMMENTS,
1038 FLG_IFEMPTY, FLG_REALCOMPARE,
1039 FLG_BOOLOPS, FLG_PTRNEGATE,
1041 FLG_BUFFEROVERFLOWHIGH,
1048 else if (cstring_equalLit (s, "weak"))
1050 flagcode modeflags[] =
1052 FLG_BOOLINT, FLG_CHARINT, FLG_FLOATDOUBLE,
1053 FLG_ENUMINT, FLG_RELAXQUALS, FLG_FORWARDDECL,
1054 FLG_CHARINDEX, FLG_ABSTVOIDP, FLG_USEALLGLOBS,
1055 FLG_CHARUNSIGNEDCHAR,
1057 FLG_VARUNUSED, FLG_FUNCUNUSED,
1059 FLG_CHECKSTRICTGLOBALS, FLG_MACROMATCHNAME,
1062 FLG_BUFFEROVERFLOWHIGH,
1063 FLG_RETSTACK, FLG_PTRNEGATE,
1064 FLG_STATETRANSFER, FLG_STATEMERGE,
1065 FLG_LONGUNSIGNEDINTEGRAL,
1066 FLG_LONGUNSIGNEDUNSIGNEDINTEGRAL,
1070 FLG_BUFFEROVERFLOWHIGH,
1076 else if (cstring_equalLit (s, "checks"))
1078 flagcode modeflags[] =
1080 FLG_EXPORTLOCAL, FLG_IMPTYPE,
1081 FLG_STATETRANSFER, FLG_STATEMERGE,
1082 FLG_CHECKSTRICTGLOBALIAS,
1083 FLG_CHECKEDGLOBALIAS,
1084 FLG_CHECKMODGLOBALIAS,
1085 FLG_UNCHECKEDGLOBALIAS,
1087 FLG_EXITARG, FLG_PTRNUMCOMPARE,
1088 FLG_BOOLCOMPARE, FLG_UNSIGNEDCOMPARE,
1089 FLG_MACROUNDEF, FLG_MUSTMOD, FLG_ALLGLOBALS,
1090 FLG_PREDBOOLOTHERS, FLG_PREDBOOLPTR, FLG_PREDBOOLINT,
1091 FLG_USEALLGLOBS, FLG_MUTREP, FLG_RETALIAS,
1092 FLG_RETEXPOSE, FLG_ASSIGNEXPOSE, FLG_CASTEXPOSE,
1093 FLG_FUNCUNUSED, FLG_GLOBALSIMPMODIFIESNOTHING,
1094 FLG_TYPEUNUSED, FLG_FIELDUNUSED, FLG_PARAMUNUSED, FLG_VARUNUSED,
1095 FLG_CONSTUNUSED, FLG_ENUMMEMUNUSED,
1096 FLG_NOEFFECT, FLG_EXPORTHEADER, FLG_EXPORTHEADERVAR,
1097 FLG_RETVALOTHER, FLG_RETVALBOOL, FLG_RETVALINT,
1098 FLG_SPECUNDEF, FLG_IMPCHECKMODINTERNALS,
1099 FLG_DECLUNDEF, FLG_INCONDEFS, FLG_INCONDEFSLIB,
1100 FLG_MISPLACEDSHAREQUAL, FLG_REDUNDANTSHAREQUAL,
1107 FLG_SEFPARAMS, FLG_SEFUNSPEC, FLG_MACROSTMT, FLG_MACROPARENS,
1111 FLG_INFLOOPS, FLG_INFLOOPSUNCON,
1113 FLG_NORETURN, FLG_CASEBREAK, FLG_MISSCASE,
1114 FLG_EVALORDER, FLG_USEDEF,
1118 /* warn use flags */
1119 FLG_MULTITHREADED, FLG_PORTABILITY, FLG_SUPERUSER, FLG_IMPLEMENTATIONOPTIONAL,
1120 FLG_BUFFEROVERFLOWHIGH,
1122 /* memchecks flags */
1124 FLG_NULLSTATE, FLG_NULLDEREF, FLG_NULLASSIGN,
1125 FLG_NULLPASS, FLG_NULLRET,
1127 FLG_COMPDEF, FLG_COMPMEMPASS, FLG_UNIONDEF, FLG_RETSTACK,
1129 /* memtrans flags */
1143 FLG_STATICINITTRANS,
1144 FLG_UNKNOWNINITTRANS,
1147 FLG_ONLYUNQGLOBALTRANS,
1148 FLG_USERELEASED, FLG_ALIASUNIQUE, FLG_MAYALIASUNIQUE,
1149 FLG_MUSTFREE, FLG_MUSTDEFINE, FLG_GLOBSTATE,
1150 FLG_COMPDESTROY, FLG_MUSTNOTALIAS,
1153 FLG_NULLPOINTERARITH,
1154 FLG_SHADOW, FLG_DEPARRAYS,
1155 FLG_REDECL, FLG_READONLYSTRINGS, FLG_READONLYTRANS,
1156 FLG_LOOPLOOPBREAK, FLG_SWITCHLOOPBREAK, FLG_MODGLOBS,
1157 FLG_CHECKSTRICTGLOBALS, FLG_IMPCHECKEDSPECGLOBALS,
1158 FLG_MACROMATCHNAME, FLG_WARNLINTCOMMENTS,
1159 FLG_INCLUDENEST, FLG_ANSIRESERVED, FLG_CPPNAMES,
1160 FLG_NOPARAMS, FLG_IFEMPTY, FLG_WHILEEMPTY, FLG_REALCOMPARE,
1161 FLG_BOOLOPS, FLG_SHIFTSIGNED,
1162 FLG_BUFFEROVERFLOWHIGH, FLG_BUFFEROVERFLOW,
1167 else if (cstring_equalLit (s, "strict"))
1169 flagcode modeflags[] =
1171 FLG_CHECKSTRICTGLOBALIAS,
1172 FLG_CHECKEDGLOBALIAS,
1173 FLG_CHECKMODGLOBALIAS,
1174 FLG_UNCHECKEDGLOBALIAS,
1178 FLG_STATETRANSFER, FLG_STATEMERGE,
1179 FLG_MACROUNDEF, FLG_MUTREP, FLG_MUSTMOD,
1180 FLG_ALLGLOBALS, FLG_IMPTYPE,
1181 FLG_MODNOMODS, FLG_MODGLOBSUNSPEC, FLG_MODSTRICTGLOBSUNSPEC,
1182 FLG_GLOBUNSPEC, FLG_SIZEOFTYPE,
1183 FLG_EXPORTHEADER, FLG_EXPORTHEADERVAR,
1184 FLG_NOPARAMS, FLG_OLDSTYLE, FLG_EXITARG,
1187 FLG_ONLYUNQGLOBALTRANS,
1188 FLG_GLOBALSIMPMODIFIESNOTHING,
1189 FLG_PREDBOOLOTHERS, FLG_PREDBOOLPTR, FLG_PREDBOOLINT,
1190 FLG_INTERNALGLOBS, FLG_INTERNALGLOBSNOGLOBS,
1191 FLG_USEALLGLOBS, FLG_RETALIAS,
1192 FLG_MODGLOBS, FLG_MODGLOBSUNSPEC, FLG_MODGLOBSUNCHECKED,
1193 FLG_RETEXPOSE, FLG_ASSIGNEXPOSE, FLG_CASTEXPOSE,
1194 FLG_NOEFFECTUNCON, FLG_EVALORDERUNCON,
1196 FLG_EXPORTITER, FLG_EXPORTCONST,
1197 FLG_TYPEUNUSED, FLG_FIELDUNUSED, FLG_PARAMUNUSED, FLG_TOPUNUSED,
1198 FLG_CONSTUNUSED, FLG_ENUMMEMUNUSED,
1200 FLG_NULLPOINTERARITH, FLG_POINTERARITH,
1202 FLG_BOOLCOMPARE, FLG_UNSIGNEDCOMPARE,
1203 FLG_NOEFFECT, FLG_RETVALINT, FLG_RETVALBOOL, FLG_RETVALOTHER,
1204 FLG_ANSIRESERVED, FLG_ANSIRESERVEDLOCAL, FLG_CPPNAMES,
1205 FLG_RETVALBOOL, FLG_RETVALINT, FLG_SPECUNDEF,
1206 FLG_DECLUNDEF, FLG_STRICTOPS, FLG_INCONDEFS,
1207 FLG_MISPLACEDSHAREQUAL, FLG_REDUNDANTSHAREQUAL,
1208 FLG_INCONDEFSLIB, FLG_MATCHFIELDS, FLG_EXPORTMACRO, FLG_EXPORTVAR,
1209 FLG_EXPORTFCN, FLG_EXPORTTYPE, FLG_EXPORTLOCAL, FLG_MACROPARAMS,
1211 FLG_SEFPARAMS, FLG_SEFUNSPEC, FLG_MACROSTMT, FLG_MACROPARENS,
1214 FLG_MACROREDEF, FLG_MACROEMPTY,
1215 FLG_INFLOOPS, FLG_INFLOOPSUNCON,
1217 FLG_NORETURN, FLG_CASEBREAK, FLG_MISSCASE, FLG_USEDEF,
1219 FLG_MODUNCON, FLG_MODUNCONNOMODS, FLG_MODINTERNALSTRICT,
1220 FLG_MODOBSERVERUNCON,
1225 /* warn use flags */
1226 FLG_MULTITHREADED, FLG_PORTABILITY, FLG_SUPERUSER, FLG_IMPLEMENTATIONOPTIONAL,
1227 FLG_BUFFEROVERFLOWHIGH,
1228 FLG_BUFFEROVERFLOW, FLG_TOCTOU,
1230 /* memchecks flags */
1231 FLG_NULLSTATE, FLG_NULLDEREF, FLG_NULLASSIGN,
1232 FLG_NULLPASS, FLG_NULLRET,
1234 FLG_COMPDEF, FLG_COMPMEMPASS, FLG_UNIONDEF,
1236 /* memtrans flags */
1252 FLG_STATICINITTRANS,
1253 FLG_UNKNOWNINITTRANS,
1255 FLG_USERELEASED, FLG_ALIASUNIQUE, FLG_MAYALIASUNIQUE,
1256 FLG_MUSTFREE, FLG_MUSTDEFINE, FLG_GLOBSTATE,
1257 FLG_COMPDESTROY, FLG_MUSTNOTALIAS,
1261 FLG_DECLPARAMNAME, FLG_DECLPARAMMATCH,
1263 FLG_SHADOW, FLG_DEPARRAYS,
1264 FLG_STRICTDESTROY, FLG_STRICTUSERELEASED, FLG_STRICTBRANCHSTATE,
1265 FLG_REDECL, FLG_READONLYSTRINGS, FLG_READONLYTRANS,
1266 FLG_LOOPLOOPBREAK, FLG_LOOPSWITCHBREAK, FLG_SWITCHLOOPBREAK,
1267 FLG_SWITCHSWITCHBREAK, FLG_LOOPLOOPCONTINUE,
1268 FLG_CHECKSTRICTGLOBALS, FLG_IMPCHECKEDSPECGLOBALS,
1269 FLG_ALLGLOBALS, FLG_IMPCHECKEDSTRICTGLOBALS,
1270 FLG_IMPCHECKEDSTRICTSTATICS,
1271 FLG_IMPCHECKEDSTRICTSPECGLOBALS,
1272 FLG_IMPCHECKMODINTERNALS,
1273 FLG_WARNMISSINGGLOBALS, FLG_WARNMISSINGGLOBALSNOGLOBS,
1274 FLG_WARNLINTCOMMENTS, FLG_ANSIRESERVEDLOCAL,
1275 FLG_INCLUDENEST, FLG_STRINGLITERALLEN,
1276 FLG_NUMSTRUCTFIELDS, FLG_NUMENUMMEMBERS,
1277 FLG_CONTROLNESTDEPTH,
1278 FLG_FORBLOCK, FLG_WHILEBLOCK,
1279 FLG_FOREMPTY, FLG_WHILEEMPTY,
1280 FLG_IFEMPTY, FLG_IFBLOCK,
1282 FLG_REALCOMPARE, FLG_BOOLOPS,
1283 FLG_SYSTEMDIRERRORS, FLG_UNUSEDSPECIAL,
1285 FLG_SHIFTSIGNED, FLG_BITWISEOPS,
1286 FLG_BUFFEROVERFLOWHIGH, FLG_BUFFEROVERFLOW,
1294 llcontbug (message ("context_setMode: bad mode: %s", s));
1299 context_isSpecialFile (cstring fname)
1301 cstring ext = fileLib_getExtension (fname);
1303 return (cstring_equalLit (ext, ".y")
1304 || cstring_equalLit (ext, ".l")
1305 || cstring_equalLit (fname, "lex.yy.c"));
1309 context_isSystemDir (cstring dir)
1311 cstring thisdir = cstring_copy (context_getString (FLG_SYSTEMDIRS));
1312 cstring savedir = thisdir;
1313 cstring nextdir = cstring_afterChar (thisdir, PATH_SEPARATOR);
1315 if (cstring_isDefined (nextdir))
1317 /*@access cstring@*/
1318 *nextdir = '\0'; /* closes thisdir */
1320 /*@noaccess cstring@*/
1323 /* 2001-09-09: added thisdir[0] != '\0'
1324 ** herbert: don't compare with an empty name!
1325 ** should return false for empty directory path
1328 while (!cstring_isEmpty (thisdir))
1330 DPRINTF (("Test: %s / %s", dir, thisdir));
1332 if (osd_equalCanonicalPrefix (dir, thisdir))
1334 cstring_free (savedir);
1338 if (cstring_isDefined (nextdir))
1341 nextdir = cstring_afterChar (thisdir, PATH_SEPARATOR);
1343 if (cstring_isDefined (nextdir))
1345 /*@access cstring@*/
1348 /*@noaccess cstring@*/
1357 DPRINTF (("Returns FALSE"));
1358 cstring_free (savedir);
1363 context_addFileAccessType (typeId t)
1367 if (context_inFunctionLike ())
1369 gc.acct = typeIdSet_insert (gc.acct, t);
1372 gc.facct = typeIdSet_insert (gc.facct, t);
1374 base = fileloc_getBase (g_currentloc);
1375 insertModuleAccess (base, t);
1376 DPRINTF (("Add file access: %s / %s", typeIdSet_unparse (gc.facct),
1377 typeIdSet_unparse (gc.acct)));
1381 context_removeFileAccessType (typeId t)
1383 if (gc.kind == CX_FUNCTION || gc.kind == CX_MACROFCN
1384 || gc.kind == CX_UNKNOWNMACRO)
1386 gc.acct = typeIdSet_removeFresh (gc.acct, t);
1389 gc.facct = typeIdSet_removeFresh (gc.facct, t);
1390 gc.nacct = typeIdSet_insert (gc.nacct, t);
1393 void context_enterFunctionHeader (void)
1395 if (context_getFlag (FLG_GRAMMAR))
1397 lldiagmsg (message ("Enter function header: %q", context_unparse ()));
1400 if (gc.kind != CX_GLOBAL)
1402 llparseerror (cstring_makeLiteral
1403 ("Likely parse error. Function header outside global context."));
1407 llassert (gc.kind == CX_GLOBAL);
1408 DPRINTF (("Enter function header!"));
1409 gc.inFunctionHeader = TRUE;
1413 void context_exitFunctionHeader (void)
1415 if (context_getFlag (FLG_GRAMMAR))
1417 lldiagmsg (message ("Exit function header: %q", context_unparse ()));
1420 DPRINTF (("Exit function header!"));
1421 gc.inFunctionHeader = FALSE;
1424 bool context_inFunctionHeader (void)
1426 return (gc.inFunctionHeader);
1429 void context_enterFunctionDeclaration (uentry e)
1431 if (context_getFlag (FLG_GRAMMAR))
1433 lldiagmsg (message ("Enter function declaration: %q", context_unparse ()));
1436 DPRINTF (("Enter function decl"));
1437 llassert (gc.savekind == CX_ERROR);
1438 gc.savekind = gc.kind;
1439 gc.savecont = gc.cont;
1440 gc.kind = CX_FCNDECLARATION;
1444 void context_exitFunctionDeclaration (void)
1446 if (context_getFlag (FLG_GRAMMAR))
1448 lldiagmsg (message ("Exit function declaration: %q", context_unparse ()));
1451 DPRINTF (("Exit function decl"));
1452 llassert (gc.savekind != CX_ERROR);
1453 llassert (gc.kind == CX_FCNDECLARATION);
1454 gc.kind = gc.savekind;
1455 gc.cont = gc.savecont;
1457 gc.savekind = CX_ERROR;
1459 if (context_getFlag (FLG_GRAMMAR))
1461 lldiagmsg (message ("After exit function declaration: %q", context_unparse ()));
1465 bool context_inFunctionDeclaration (void)
1467 return (gc.kind == CX_FCNDECLARATION);
1472 context_enterMacro (/*@observer@*/ uentry e)
1474 context_enterFunction (e);
1475 gc.kind = CX_MACROFCN;
1479 context_enterUnknownMacro (/*@dependent@*/ uentry e)
1481 llassert (uentry_isFunction (e));
1482 context_enterFunction (e);
1483 gc.kind = CX_UNKNOWNMACRO;
1486 void context_enterAndClause (exprNode e)
1489 usymtab_trueBranch (guardSet_copy (exprNode_getGuards (e)));
1490 pushClause (ANDCLAUSE);
1493 void context_enterOrClause (exprNode e)
1495 usymtab_trueBranch (guardSet_invert (exprNode_getGuards (e)));
1496 pushClause (ORCLAUSE);
1499 bool context_inDeepLoop (void)
1501 bool inLoop = FALSE;
1503 clauseStack_elements (gc.clauses, el)
1505 if (clause_isLoop (el))
1514 } end_clauseStack_elements;
1519 bool context_inDeepSwitch (void)
1521 bool inLoop = FALSE;
1523 clauseStack_elements (gc.clauses, el)
1525 if (clause_isSwitch (el))
1534 } end_clauseStack_elements;
1539 bool context_inDeepLoopSwitch (void)
1541 bool inLoop = FALSE;
1543 clauseStack_elements (gc.clauses, el)
1545 if (clause_isBreakable (el))
1554 } end_clauseStack_elements;
1559 clause context_breakClause (void)
1561 clauseStack_elements (gc.clauses, el)
1563 if (clause_isSwitch (el))
1567 else if (clause_isLoop (el))
1575 } end_clauseStack_elements;
1580 clause context_nextBreakClause (void)
1582 bool hasOne = FALSE;
1584 clauseStack_elements (gc.clauses, el)
1586 if (clause_isBreakable (el))
1597 } end_clauseStack_elements;
1602 bool context_inConditional (void)
1604 clauseStack_elements (gc.clauses, el)
1607 ** Should also include TRUECLAUSE and FALSECLAUSE, but need
1608 ** to distinguish if from ? for this
1611 if (clause_isBreakable (el) && (el != DOWHILECLAUSE))
1615 } end_clauseStack_elements;
1620 void context_exitAndClause (exprNode pred, exprNode tbranch)
1622 context_setJustPopped ();
1624 llassert (gc.inclause == ANDCLAUSE);
1626 usymtab_popAndBranch (pred, tbranch);
1627 clauseStack_pop (gc.clauses);
1628 gc.inclause = topClause (gc.clauses);
1631 void context_exitOrClause (exprNode pred, exprNode tbranch)
1633 context_setJustPopped ();
1635 llassert (gc.inclause == ORCLAUSE);
1637 usymtab_popOrBranch (pred, tbranch);
1638 clauseStack_pop (gc.clauses);
1639 gc.inclause = topClause (gc.clauses);
1642 static void context_enterCondClauseAux (clause cl)
1648 static void context_enterTrueAux (exprNode e, clause cl)
1651 usymtab_trueBranch (guardSet_copy (exprNode_getGuards (e)));
1655 void context_enterIterClause (void)
1657 context_enterTrueAux (exprNode_undefined, ITERCLAUSE);
1660 void context_enterDoWhileClause (void)
1662 pushClause (DOWHILECLAUSE);
1665 void context_enterWhileClause (exprNode e)
1667 context_enterTrueAux (e, WHILECLAUSE);
1670 void context_enterForClause (exprNode e)
1672 context_enterTrueAux (e, FORCLAUSE);
1675 void context_enterTrueClause (exprNode e)
1677 context_enterTrueAux (e, TRUECLAUSE);
1680 void context_enterSwitch (exprNode e)
1683 usymtab_switchBranch (e);
1684 context_enterCondClauseAux (SWITCHCLAUSE);
1687 void context_exitSwitch (exprNode e, bool allpaths)
1689 usymtab_exitSwitch (e, allpaths);
1691 while (clause_isCase (clauseStack_top (gc.clauses)))
1693 clauseStack_pop (gc.clauses);
1696 context_exitClauseSimp ();
1699 void context_enterCaseClause (exprNode e)
1701 bool branch = FALSE;
1703 DPRINTF (("Enter case clause!"));
1705 branch = usymtab_newCase (exprNode_undefined, e);
1709 context_enterCondClauseAux (CASECLAUSE);
1713 static void context_enterFalseClauseAux (exprNode e, clause cl)
1716 usymtab_altBranch (guardSet_invert (exprNode_getGuards (e)));
1718 clauseStack_switchTop (gc.clauses, cl);
1721 void context_enterFalseClause (exprNode e)
1724 context_enterFalseClauseAux (e, FALSECLAUSE);
1728 context_enterConstantMacro (/*@exposed@*/ /*@dependent@*/ uentry e)
1730 gc.kind = CX_MACROCONST;
1732 gc.showfunction = context_getFlag (FLG_SHOWFUNC);
1734 gc.acct = typeIdSet_subtract (typeIdSet_union (gc.facct, uentry_accessType (e)),
1738 usymtab_enterScope ();
1739 sRef_enterFunctionScope ();
1741 gc.globs = globSet_undefined;
1742 globSet_clear (gc.globs_used);
1743 gc.mods = sRefSet_undefined;
1746 uentry context_getHeader (void)
1748 if (!(context_inFunctionLike () || (gc.kind == CX_MACROCONST)))
1750 llfatalbug (message ("context_getHeader: bad call: %q",
1751 context_unparse ()));
1754 return (gc.cont.fcn);
1758 context_setFunctionDefined (fileloc loc)
1762 case CX_UNKNOWNMACRO:
1765 uentry_setFunctionDefined (gc.cont.fcn, loc);
1768 /* (not a bug because of parse errors) */
1774 context_enterFunction (/*@exposed@*/ uentry e)
1776 gc.kind = CX_FUNCTION;
1779 DPRINTF (("Enter function: %s", uentry_unparse (e)));
1781 if (uentry_hasAccessType (e))
1783 gc.acct = typeIdSet_subtract (typeIdSet_union (gc.facct, uentry_accessType (e)),
1791 DPRINTF (("Enter function: %s / %s", uentry_unparse (e),
1792 typeIdSet_unparse (gc.acct)));
1794 gc.showfunction = context_getFlag (FLG_SHOWFUNC);
1796 gc.globs = uentry_getGlobs (e);
1797 globSet_clear (gc.globs_used);
1798 gc.mods = uentry_getMods (e);
1800 usymtab_enterFunctionScope (e);
1801 sRef_enterFunctionScope ();
1805 context_enterOldStyleScope (void)
1807 gc.kind = CX_OLDSTYLESCOPE;
1808 DPRINTF (("Enter old style scope!"));
1809 usymtab_enterFunctionScope (uentry_undefined);
1813 context_completeOldStyleFunction (uentry e)
1815 llassert (gc.kind == CX_OLDSTYLESCOPE);
1817 gc.kind = CX_FUNCTION;
1820 DPRINTF (("Enter function: %s", uentry_unparse (e)));
1822 if (uentry_hasAccessType (e))
1824 gc.acct = typeIdSet_subtract (typeIdSet_union (gc.facct, uentry_accessType (e)),
1832 DPRINTF (("Enter function: %s / %s", uentry_unparse (e),
1833 typeIdSet_unparse (gc.acct)));
1835 gc.showfunction = context_getFlag (FLG_SHOWFUNC);
1837 if (!globSet_isEmpty (uentry_getGlobs (e)))
1839 llfatalerror (message ("%q: Old-style function declaration uses a clause (rewrite with function parameters): %q",
1840 fileloc_unparse (g_currentloc), uentry_unparse (e)));
1843 gc.showfunction = context_getFlag (FLG_SHOWFUNC);
1845 gc.globs = uentry_getGlobs (e);
1846 globSet_clear (gc.globs_used);
1848 gc.mods = uentry_getMods (e);
1850 if (!sRefSet_isEmpty (gc.mods))
1852 llfatalerror (message ("%q: Old-style function declaration uses a clause (rewrite with function parameters): %q",
1853 fileloc_unparse (g_currentloc), uentry_unparse (e)));
1856 sRef_enterFunctionScope ();
1859 static bool context_checkStrictGlobals (void)
1861 return (context_getFlag (FLG_CHECKSTRICTGLOBALS));
1864 static bool context_hasGlobs (void)
1866 if (context_inFunctionLike ())
1868 return (uentry_hasGlobs (gc.cont.fcn));
1876 static bool context_checkCheckedGlobals (void)
1878 return (context_getFlag (FLG_GLOBALS)
1879 && (context_getFlag (FLG_GLOBUNSPEC)
1880 || context_hasGlobs ()));
1883 static bool context_checkUnknownGlobals (void)
1885 /* should be uentry_hasGlobs ? */
1887 return (context_getFlag (FLG_ALLGLOBALS)
1888 && (context_getFlag (FLG_GLOBUNSPEC)
1889 || context_hasGlobs ()));
1892 static bool context_checkUncheckedGlobals (void)
1898 context_checkExport (uentry e)
1900 if (!gc.anyExports) return FALSE;
1902 if (uentry_isFunction (e)
1903 || (uentry_isVariable (e) && ctype_isFunction (uentry_getType (e))))
1905 return context_maybeSet (FLG_EXPORTFCN);
1907 else if (uentry_isExpandedMacro (e))
1909 return context_maybeSet (FLG_EXPORTMACRO);
1911 else if (uentry_isVariable (e))
1913 return context_maybeSet (FLG_EXPORTVAR);
1915 else if (uentry_isEitherConstant (e))
1917 return context_maybeSet (FLG_EXPORTCONST);
1919 else if (uentry_isIter (e) || uentry_isEndIter (e))
1921 return context_maybeSet (FLG_EXPORTITER);
1923 else if (uentry_isDatatype (e))
1925 return context_maybeSet (FLG_EXPORTTYPE);
1934 context_checkGlobUse (uentry glob)
1937 if (uentry_isCheckedStrict (glob))
1939 return context_checkStrictGlobals ();
1941 else if (uentry_isChecked (glob))
1943 return context_checkCheckedGlobals ();
1945 else if (uentry_isCheckedUnknown (glob) || uentry_isCheckMod (glob))
1947 return context_checkUnknownGlobals ();
1951 llassert (uentry_isUnchecked (glob));
1953 return context_checkUncheckedGlobals ();
1958 context_checkAliasGlob (uentry glob)
1960 if (uentry_isCheckedStrict (glob))
1962 return gc.flags[FLG_CHECKSTRICTGLOBALIAS];
1964 else if (uentry_isChecked (glob))
1966 return gc.flags[FLG_CHECKEDGLOBALIAS];
1968 else if (uentry_isCheckMod (glob))
1970 return gc.flags[FLG_CHECKMODGLOBALIAS];
1974 llassert (uentry_isUnchecked (glob) || uentry_isCheckedUnknown (glob));
1976 return gc.flags[FLG_UNCHECKEDGLOBALIAS];
1980 bool context_checkInternalUse (void)
1982 if (context_hasGlobs ())
1984 return (gc.flags[FLG_INTERNALGLOBS]);
1988 return (gc.flags[FLG_INTERNALGLOBSNOGLOBS]);
1993 context_checkGlobMod (sRef el)
1995 uentry ue = sRef_getUentry (el);
1997 /* no: llassert (sRef_isFileOrGlobalScope (el)); also check local statics */
1999 if (uentry_isCheckedModify (ue)
2000 || (!uentry_isUnchecked (ue) && (gc.flags[FLG_ALLGLOBALS])))
2002 if (context_hasMods ())
2004 return (gc.flags[FLG_MODGLOBS]);
2008 if (uentry_isCheckedStrict (ue))
2010 return (gc.flags[FLG_MODGLOBSUNSPEC]);
2014 return (gc.flags[FLG_MODSTRICTGLOBSUNSPEC]);
2020 if (context_hasMods ())
2022 return (gc.flags[FLG_MODGLOBSUNCHECKED]);
2032 context_usedGlobal (/*@exposed@*/ sRef el)
2034 if (!globSet_member (gc.globs_used, el))
2037 ** The first time a global is used in a function, we need
2038 ** to clear the derived sRefs, since they were set for the
2039 ** previous function.
2042 sRef_clearDerived (el);
2043 gc.globs_used = globSet_insert (gc.globs_used, el);
2047 /*@observer@*/ sRefSet
2048 context_modList (void)
2054 context_globAccess (sRef s)
2056 llassert (sRef_isFileOrGlobalScope (s) || sRef_isKindSpecial (s));
2057 return (globSet_member (gc.globs, s));
2061 context_hasAccess (typeId t)
2063 if (context_inFunctionLike ())
2065 DPRINTF (("Access %d / %s",
2066 t, typeIdSet_unparse (gc.acct)));
2067 return (typeIdSet_member (gc.acct, t));
2071 return (context_hasFileAccess (t));
2076 context_hasFileAccess (typeId t)
2078 return (typeIdSet_member (gc.facct, t));
2082 context_unparseAccess (void)
2084 return (message ("%q / %q", typeIdSet_unparse (gc.acct),
2085 typeIdSet_unparse (gc.facct)));
2089 context_unparseClauses (void)
2091 return (clauseStack_unparse (gc.clauses));
2095 context_couldHaveAccess (typeId t)
2097 if (gc.kind == CX_FUNCTION || gc.kind == CX_MACROFCN || gc.kind == CX_UNKNOWNMACRO)
2099 return (typeIdSet_member (gc.acct, t));
2103 return (typeIdSet_member (gc.facct, t));
2108 context_getRetType (void)
2110 ctype f = ctype_undefined;
2112 if (gc.kind == CX_FUNCTION || gc.kind == CX_MACROFCN)
2114 f = uentry_getType (gc.cont.fcn);
2116 else if (gc.kind == CX_UNKNOWNMACRO)
2118 return ctype_unknown;
2122 llcontbuglit ("context_getRetType: not in a function context");
2123 return ctype_unknown;
2126 if (!ctype_isFunction (f))
2128 if (ctype_isKnown (f))
2130 llbuglit ("context_getRetType: not a function");
2133 return ctype_unknown;
2135 return (ctype_getReturnType (f));
2139 context_hasMods (void)
2141 if (context_inFunctionLike ())
2143 return (uentry_hasMods (gc.cont.fcn));
2152 context_exitAllClauses (void)
2154 while (!clauseStack_isEmpty (gc.clauses))
2156 clause el = clauseStack_top (gc.clauses);
2159 if (clause_isNone (el))
2161 usymtab_quietExitScope (g_currentloc);
2162 clauseStack_pop (gc.clauses);
2166 context_exitClausePlain ();
2170 clauseStack_clear (gc.clauses);
2171 gc.inclause = NOCLAUSE;
2175 context_exitAllClausesQuiet (void)
2177 while (!clauseStack_isEmpty (gc.clauses))
2179 clause el = clauseStack_top (gc.clauses);
2182 usymtab_quietExitScope (g_currentloc);
2183 clauseStack_pop (gc.clauses);
2186 clauseStack_clear (gc.clauses);
2187 gc.inclause = NOCLAUSE;
2191 void context_exitClauseSimp (void)
2194 context_setJustPopped ();
2195 clauseStack_pop (gc.clauses);
2196 gc.inclause = topClause (gc.clauses);
2200 void context_exitCaseClause (void)
2202 context_setJustPopped ();
2203 usymtab_popCaseBranch ();
2204 clauseStack_pop (gc.clauses);
2205 gc.inclause = topClause (gc.clauses);
2209 void context_exitClauseAux (exprNode pred, exprNode tbranch)
2211 context_setJustPopped ();
2212 /*@i32 was makeAlt */
2213 usymtab_popTrueBranch (pred, tbranch, gc.inclause);
2214 clauseStack_pop (gc.clauses);
2215 gc.inclause = topClause (gc.clauses);
2218 void context_exitTrueClause (exprNode pred, exprNode tbranch)
2220 DPRINTF (("Exit true clause: %s", exprNode_unparse (tbranch)));
2222 if (gc.inclause != TRUECLAUSE)
2224 llparseerror (cstring_makeLiteral
2225 ("Likely parse error. Conditional clauses are inconsistent."));
2229 context_setJustPopped ();
2230 usymtab_popTrueBranch (pred, tbranch, TRUECLAUSE);
2231 clauseStack_pop (gc.clauses);
2232 gc.inclause = topClause (gc.clauses);
2235 void context_exitIterClause (exprNode body)
2237 llassert (gc.inclause == ITERCLAUSE);
2239 context_setJustPopped ();
2241 if (context_getFlag (FLG_LOOPEXEC))
2243 usymtab_popTrueExecBranch (exprNode_undefined, body, ITERCLAUSE);
2247 usymtab_popTrueBranch (exprNode_undefined, body, ITERCLAUSE);
2250 clauseStack_pop (gc.clauses);
2251 gc.inclause = topClause (gc.clauses);
2254 static void context_popCase (void) {
2256 ** If we are exiting an outer clause, sometimes still in a switch case.
2270 DPRINTF (("Popping case clause: %s",
2271 clauseStack_unparse (gc.clauses)));
2273 if (gc.inclause == CASECLAUSE) {
2274 context_exitCaseClause ();
2278 void context_exitWhileClause (exprNode pred, exprNode body)
2280 guardSet invGuards = guardSet_invert (exprNode_getGuards (pred));
2284 if (gc.inclause != WHILECLAUSE) {
2285 DPRINTF (("Clause: %s / %s", clause_unparse (gc.inclause),
2286 clauseStack_unparse (gc.clauses)));
2289 llassert (gc.inclause == WHILECLAUSE);
2291 context_setJustPopped ();
2295 ** predicate must be false after while loop (unless there are breaks)
2298 if (context_getFlag (FLG_LOOPEXEC))
2300 usymtab_popTrueExecBranch (pred, body, WHILECLAUSE);
2304 usymtab_popTrueBranch (pred, body, WHILECLAUSE);
2308 usymtab_addGuards (invGuards);
2309 guardSet_free (invGuards);
2311 clauseStack_pop (gc.clauses);
2312 gc.inclause = topClause (gc.clauses);
2315 void context_exitDoWhileClause (exprNode pred)
2317 guardSet invGuards = guardSet_invert (exprNode_getGuards (pred));
2319 if (gc.inclause == CASECLAUSE) {
2320 /* handle Duff's device */
2321 clauseStack_pop (gc.clauses);
2322 gc.inclause = topClause (gc.clauses);
2325 llassert (gc.inclause == DOWHILECLAUSE);
2327 context_setJustPopped ();
2330 usymtab_addGuards (invGuards);
2331 guardSet_free (invGuards);
2333 clauseStack_pop (gc.clauses);
2334 gc.inclause = topClause (gc.clauses);
2337 void context_exitForClause (exprNode forPred, exprNode body)
2339 guardSet invGuards = guardSet_invert (exprNode_getForGuards (forPred));
2341 llassert (gc.inclause == FORCLAUSE);
2342 context_setJustPopped ();
2345 ** predicate must be false after while loop (unless there are breaks)
2348 if (context_getFlag (FLG_LOOPEXEC))
2350 usymtab_popTrueExecBranch (forPred, body, FORCLAUSE);
2354 usymtab_popTrueBranch (forPred, body, FORCLAUSE);
2357 usymtab_addGuards (invGuards);
2358 guardSet_free (invGuards);
2359 clauseStack_pop (gc.clauses);
2360 gc.inclause = topClause (gc.clauses);
2363 static void context_exitClausePlain (void)
2365 llassert (gc.inclause != NOCLAUSE);
2367 if (gc.inclause == FALSECLAUSE)
2369 context_exitClause (exprNode_undefined, exprNode_undefined, exprNode_undefined);
2373 context_exitClauseAux (exprNode_undefined, exprNode_undefined);
2377 void context_exitClause (exprNode pred, exprNode tbranch, exprNode fbranch)
2379 context_setJustPopped ();
2381 if (gc.inclause == FALSECLAUSE)
2383 usymtab_popBranches (pred, tbranch, fbranch, FALSE, FALSECLAUSE);
2385 llassert (clauseStack_top (gc.clauses) == FALSECLAUSE);
2387 clauseStack_pop (gc.clauses);
2388 gc.inclause = topClause (gc.clauses);
2392 context_exitTrueClause (pred, tbranch);
2397 context_returnFunction (void)
2399 usymtab_checkFinalScope (TRUE);
2403 context_exitFunction (void)
2405 DPRINTF (("Exit function: %s", context_unparse ()));
2407 if (!context_inFunction () && !context_inMacroConstant ()
2408 && !context_inUnknownMacro ()
2409 && !context_inIterDef () && !context_inIterEnd ())
2412 ** not a bug because of parse errors
2419 if (context_inMacro () && usymtab_inFunctionScope ())
2421 usymtab_exitScope (exprNode_undefined);
2424 if (uentry_hasGlobs (gc.cont.fcn))
2426 exprChecks_checkUsedGlobs (gc.globs, gc.globs_used);
2430 if (uentry_hasMods (gc.cont.fcn))
2432 if (context_getFlag (FLG_MUSTMOD))
2434 exprNode_checkAllMods (gc.mods, gc.cont.fcn);
2438 DPRINTF (("Exit function: %s", uentry_unparse (gc.cont.fcn)));
2441 ** clear file static modifies
2444 /* do this first to get unused error messages */
2446 usymtab_exitScope (exprNode_undefined);
2447 sRef_exitFunctionScope ();
2449 gc.showfunction = FALSE;
2450 gc.kind = CX_GLOBAL;
2451 gc.cont.glob = TRUE;
2453 gc.globs = globSet_new ();
2454 globSet_clear (gc.globs_used);
2455 gc.mods = sRefSet_new ();
2458 llassert (clauseStack_isEmpty (gc.clauses));
2459 llassert (gc.inclause == NOCLAUSE);
2460 DPRINTF (("After exit function: %s", context_unparse ()));
2464 context_quietExitFunction (void)
2466 while (gc.kind == CX_INNER)
2468 context_exitInnerPlain ();
2471 if (!context_inFunction () && !context_inMacroConstant () && !context_inUnknownMacro ()
2472 && !context_inIterDef () && !context_inIterEnd ())
2477 usymtab_quietExitScope (g_currentloc);
2479 gc.showfunction = FALSE;
2480 gc.kind = CX_GLOBAL;
2481 gc.cont.glob = TRUE;
2483 gc.globs = globSet_new ();
2484 globSet_clear (gc.globs_used);
2485 gc.mods = sRefSet_new ();
2487 sRef_exitFunctionScope ();
2491 /*@observer@*/ uentryList
2492 context_getParams (void)
2494 if (context_inFunctionLike ())
2496 return (uentry_getParams (gc.cont.fcn));
2500 llcontbug (message ("context_getParams: not in function: %q", context_unparse ()));
2501 return uentryList_undefined;
2505 /*@observer@*/ globSet
2506 context_getUsedGlobs (void)
2508 llassert (gc.kind == CX_FUNCTION || gc.kind == CX_MACROFCN
2509 || gc.kind == CX_UNKNOWNMACRO || gc.kind == CX_ITERDEF);
2511 return (gc.globs_used);
2515 context_moduleName ()
2517 return (fileloc_getBase (g_currentloc));
2520 /*@observer@*/ globSet
2521 context_getGlobs (void)
2523 llassert (gc.kind == CX_FUNCTION || gc.kind == CX_MACROFCN
2524 || gc.kind == CX_UNKNOWNMACRO || gc.kind == CX_ITERDEF);
2530 context_addBoolAccess (void)
2532 cstring bname = context_getString (FLG_BOOLTYPE);
2533 typeIdSet boolt = typeIdSet_single (usymtab_getTypeId (bname));
2535 addModuleAccess (cstring_copy (bname), boolt);
2537 /* for sys/types (perhaps, this is bogus!) */
2538 addModuleAccess (cstring_makeLiteral ("types"), boolt);
2543 context_canAccessBool (void)
2550 static typeId boolType = typeId_invalid;
2552 if (typeId_isInvalid (boolType))
2554 boolType = usymtab_getTypeId (context_getBoolName ());
2557 if (typeId_isInvalid (boolType)) {
2560 return (typeIdSet_member (gc.acct, boolType));
2565 /* evs 2000-07-25: old version - replaced */
2568 context_boolImplementationType () {
2569 /* For now, this is bogus! */
2574 context_canAccessBool (void)
2576 static typeId boolType = typeId_invalid;
2578 if (typeId_isInvalid (boolType))
2580 boolType = usymtab_getTypeId (context_getBoolName ());
2583 if (!typeId_isInvalid (boolType))
2585 return context_hasAccess (boolType);
2596 context_setMessageAnnote (/*@only@*/ cstring s)
2598 llassert (cstring_isUndefined (gc.msgAnnote));
2603 context_hasMessageAnnote (void)
2605 return (cstring_isDefined (gc.msgAnnote));
2609 context_clearMessageAnnote (void)
2611 if (cstring_isDefined (gc.msgAnnote))
2613 cstring_free (gc.msgAnnote);
2614 gc.msgAnnote = cstring_undefined;
2619 context_getMessageAnnote (void)
2621 cstring st = gc.msgAnnote;
2623 gc.msgAnnote = cstring_undefined;
2628 context_setAliasAnnote (/*@observer@*/ sRef s, /*@observer@*/ sRef t)
2630 llassert (sRef_isInvalid (gc.aliasAnnote));
2631 llassert (!sRef_sameName (s, t));
2633 gc.aliasAnnoteAls = t;
2637 context_hasAliasAnnote (void)
2639 return (sRef_isValid (gc.aliasAnnote));
2643 context_clearAliasAnnote (void)
2645 gc.aliasAnnote = sRef_undefined;
2649 context_getAliasAnnote (void)
2651 sRef ret = gc.aliasAnnote;
2652 sRef als = gc.aliasAnnoteAls;
2654 llassert (sRef_isValid (ret) && sRef_isValid (als));
2656 gc.aliasAnnote = sRef_undefined;
2657 return (message ("%q aliases %q", sRef_unparse (als), sRef_unparse (ret)));
2661 context_recordFileModifies (sRefSet mods)
2663 gc.modrecs = sRefSetList_add (gc.modrecs, mods);
2667 context_recordFileGlobals (globSet mods)
2669 DPRINTF (("Recording file globals: %s", globSet_unparse (mods)));
2670 /*@access globSet@*/ context_recordFileModifies (mods); /*@noaccess globSet@*/
2674 context_setCommentMarkerChar (char c)
2676 llassert (c != '\0');
2678 context_setValue (FLG_COMMENTCHAR, (int) c);
2682 context_getCommentMarkerChar (void)
2684 return ((char) context_getValue (FLG_COMMENTCHAR));
2688 context_setValue (flagcode flag, int val)
2690 int index = flagcode_valueIndex (flag);
2692 llassert (index >= 0 && index <= NUMVALUEFLAGS);
2700 llerror_flagWarning (message ("Value for %s must be a positive "
2701 "number (given %d)",
2702 flagcode_unparse (flag), val));
2705 if (flag == FLG_LINELEN && val < MINLINELEN)
2707 llerror_flagWarning (message ("Value for %s must be at least %d (given %d)",
2708 flagcode_unparse (flag),
2714 case FLG_INCLUDENEST:
2715 case FLG_CONTROLNESTDEPTH:
2716 case FLG_STRINGLITERALLEN:
2717 case FLG_NUMSTRUCTFIELDS:
2718 case FLG_NUMENUMMEMBERS:
2719 case FLG_INDENTSPACES:
2723 llerror_flagWarning (message ("Value for %s must be a non-negative "
2724 "number (given %d)",
2725 flagcode_unparse (flag), val));
2734 gc.values[index] = val;
2738 context_setValueAndFlag (flagcode flag, int val)
2740 gc.flags[flag] = TRUE;
2741 context_setValue (flag, val);
2745 context_getValue (flagcode flag)
2747 int index = flagcode_valueIndex (flag);
2749 llassert (index >= 0 && index <= NUMVALUEFLAGS);
2750 return (gc.values[index]);
2754 context_getCounter (flagcode flag)
2756 int index = flagcode_valueIndex (flag);
2758 llassert (index >= 0 && index <= NUMVALUEFLAGS);
2759 return (gc.counters[index]);
2763 context_incCounter (flagcode flag)
2765 int index = flagcode_valueIndex (flag);
2767 llassert (index >= 0 && index <= NUMVALUEFLAGS);
2769 gc.counters[index]++;
2773 context_decCounter (flagcode flag)
2775 int index = flagcode_valueIndex (flag);
2777 llassert (index >= 0 && index <= NUMVALUEFLAGS);
2778 gc.counters[index]--;
2781 bool context_showFunction (void)
2783 return (gc.showfunction);
2787 context_setString (flagcode flag, cstring val)
2789 int index = flagcode_stringIndex (flag);
2791 llassert (index >= 0 && index <= NUMSTRINGFLAGS);
2793 if (flag == FLG_SYSTEMDIRS)
2795 llassert (cstring_isDefined (val));
2797 if (cstring_firstChar (val) == '\"')
2800 cstring tval = cstring_copy (cstring_suffix (val, 1));
2802 if (cstring_lastChar (tval) != '\"')
2804 int n = cstring_length (tval) - 1;
2806 while (isspace ((int) cstring_getChar (tval, n)))
2811 if (cstring_getChar (tval, n) != '\"')
2813 llerror_flagWarning (message ("Setting -systemdirs to string with unmatching quotes: %s", val));
2817 cstring otval = tval;
2818 tval = cstring_prefix (tval, n);
2819 cstring_free (otval);
2823 val = cstring_copy (cstring_clip (tval, cstring_length (tval) - 1));
2824 DPRINTF (("val = %s", val));
2825 cstring_free (tval);
2826 cstring_free (oval);
2830 if (flag == FLG_TMPDIR)
2832 llassert (cstring_isDefined (val));
2834 if (cstring_length (val) == 0)
2837 val = message (".%s", cstring_makeLiteralTemp (CONNECTSTR));
2839 else if (cstring_lastChar (val) != CONNECTCHAR)
2841 val = cstring_appendChar (val, CONNECTCHAR);
2849 if (cstring_length (val) >= 1
2850 && cstring_firstChar (val) == '\"')
2852 llerror_flagWarning (message
2853 ("setting %s to string beginning with \". You probably "
2854 "don't meant to have the \"'s.",
2855 flagcode_unparse (flag)));
2858 if (flag == FLG_BOOLTYPE)
2863 gc.strings[index] = val;
2866 static /*@exposed@*/ cstring
2867 context_exposeString (flagcode flag)
2869 int index = flagcode_stringIndex (flag);
2871 llassert (index >= 0 && index <= NUMSTRINGFLAGS);
2872 return (gc.strings[index]);
2876 context_getString (flagcode flag)
2878 return (context_exposeString (flag));
2882 context_resetErrors (void)
2887 void context_initMod (void)
2888 /*@globals undef gc; @*/
2890 gc.kind = CX_GLOBAL;
2892 gc.savekind = CX_ERROR;
2893 gc.savecont.glob = FALSE;
2895 gc.instandardlib = FALSE;
2898 gc.linesprocessed = 0;
2899 gc.speclinesprocessed = 0;
2900 gc.insuppressregion = FALSE;
2901 gc.macroMissingParams = FALSE;
2902 gc.preprocessing = FALSE;
2903 gc.incommandline = FALSE;
2904 gc.mc = macrocache_create ();
2906 gc.maxmods = DEFAULTMAXMODS;
2907 gc.moduleaccess = (maccesst *) dmalloc (sizeof (*gc.moduleaccess) * (gc.maxmods));
2909 gc.library = FLG_ANSILIB;
2911 gc.locstack = filelocStack_new ();
2912 gc.modrecs = sRefSetList_undefined;
2913 gc.anyExports = FALSE;
2915 gc.ftab = fileTable_create ();
2916 gc.msgLog = messageLog_new ();
2917 gc.inimport = FALSE;
2918 gc.inDerivedFile = FALSE;
2919 gc.inheader = FALSE;
2920 gc.markers = flagMarkerList_new ();
2921 gc.cont.glob = TRUE;
2922 gc.showfunction = FALSE;
2923 gc.msgAnnote = cstring_undefined;
2924 gc.aliasAnnote = sRef_undefined;
2925 gc.aliasAnnoteAls = sRef_undefined;
2926 gc.boolType = ctype_bool;
2927 gc.mods = sRefSet_new ();
2929 gc.saveloc = fileloc_undefined;
2931 gc.inmacrocache = FALSE;
2932 gc.inclause = NOCLAUSE;
2933 gc.clauses = clauseStack_new ();
2934 gc.globs = globSet_new ();
2935 gc.nacct = typeIdSet_emptySet ();
2936 gc.acct = typeIdSet_emptySet ();
2937 gc.facct = typeIdSet_emptySet ();
2938 gc.savedFlags = FALSE;
2939 gc.pushloc = fileloc_undefined;
2940 gc.protectVars = FALSE;
2941 gc.justpopped = FALSE;
2942 gc.isNullGuarded = NO;
2943 gc.globs_used = globSet_undefined;
2947 gc.setGlobally[code] = FALSE;
2948 gc.setLocally[code] = FALSE;
2949 } end_allFlagCodes ;
2953 context_resetAllFlags ();
2954 assertSet (gc.flags); /* Can't use global in defines */
2955 assertSet (gc.saveflags);
2956 assertSet (gc.values);
2957 assertSet (gc.strings);
2959 conext_resetAllCounters ();
2960 assertSet (gc.counters);
2962 context_setMode (DEFAULT_MODE);
2964 gc.stateTable = metaStateTable_create ();
2965 gc.annotTable = annotationTable_create ();
2967 gc.inFunctionHeader = FALSE;
2969 DPRINTF (("Annotations: \n%s",
2970 cstring_toCharsSafe (annotationTable_unparse (gc.annotTable))));
2971 DPRINTF (("State: \n%s",
2972 cstring_toCharsSafe (metaStateTable_unparse (gc.stateTable))));
2977 context_typeofZero (void)
2979 ctype ct = ctype_int;
2981 if (context_getFlag (FLG_ZEROPTR))
2983 ct = ctype_makeConj (ct, ctype_voidPointer);
2986 if (context_getFlag (FLG_ZEROBOOL)) {
2987 ct = ctype_makeConj (ct, ctype_bool);
2994 context_typeofOne (void)
2996 ctype ct = ctype_int;
2998 /* 1 is on longer a bool (was before 2.4)
2999 if (!context_getFlag (FLG_ABSTRACTBOOL))
3001 ct = ctype_makeConj (ct, ctype_bool);
3009 context_unparse (void)
3016 s = message ("LCL File: %q", fileloc_unparse (g_currentloc));
3019 s = message ("LCL Lib File: %q", fileloc_unparse (g_currentloc));
3022 s = message ("Global Context:%q", fileloc_unparse (g_currentloc));
3025 s = message ("Inner Context [%d] : %q",
3027 fileloc_unparse (g_currentloc));
3030 s = message ("Function %q :%q \n\taccess %q\n\tmodifies %q",
3031 uentry_unparse (gc.cont.fcn),
3032 fileloc_unparse (g_currentloc),
3033 typeIdSet_unparse (gc.acct),
3034 sRefSet_unparse (gc.mods));
3037 s = message ("Function Macro %q", uentry_unparse (gc.cont.fcn));
3039 case CX_UNKNOWNMACRO:
3040 s = message ("Forward Specified Macro %q", uentry_unparse (gc.cont.fcn));
3043 s = message ("Constant Macro %q", uentry_unparse (gc.cont.fcn));
3046 s = message ("Iter definition %q", uentry_unparse (gc.cont.fcn));
3049 s = message ("Iter end %q", uentry_unparse (gc.cont.fcn));
3051 case CX_FCNDECLARATION:
3052 s = message ("Function declaration %q", uentry_unparse (gc.cont.fcn));
3055 s = message ("Un-unparseable context: %d", (int) gc.kind);
3059 s = message ("%q\naccess: %q", s, context_unparseAccess ());
3064 context_currentFunctionType (void)
3066 if (gc.kind == CX_FUNCTION || gc.kind == CX_MACROFCN)
3068 return (uentry_getType (gc.cont.fcn));
3070 else if (gc.kind == CX_INNER)
3072 llcontbuglit ("context_currentFunctionType: inner context");
3073 do { context_exitInnerPlain (); } while (gc.kind == CX_INNER);
3074 return (context_currentFunctionType ());
3078 llcontbuglit ("context_currentFunctionType: not in function");
3079 return (ctype_undefined);
3084 context_enterInnerContext (void)
3086 if (context_getFlag (FLG_GRAMMAR))
3088 lldiagmsg (message ("Enter inner context: %q", context_unparse ()));
3091 if (gc.kind == CX_GLOBAL)
3096 else if (gc.kind == CX_INNER)
3105 usymtab_enterScope ();
3106 pushClause (NOCLAUSE);
3110 context_exitInnerPlain (void) /*@modifies gc;@*/
3112 context_exitInner (exprNode_undefined);
3116 context_exitInner (exprNode exp)
3118 if (context_getFlag (FLG_GRAMMAR))
3120 lldiagmsg (message ("Enter inner context: %q", context_unparse ()));
3123 llassertprint (gc.inclause == NOCLAUSE || gc.inclause == CASECLAUSE,
3124 ("inclause = %s", clause_nameTaken (gc.inclause)));
3126 clauseStack_removeFirst (gc.clauses, NOCLAUSE);
3127 gc.inclause = topClause (gc.clauses);
3129 if (gc.kind == CX_INNER)
3131 if (--gc.cont.cdepth == 0)
3133 gc.kind = CX_GLOBAL;
3134 gc.cont.glob = TRUE;
3139 if (gc.kind == CX_GLOBAL)
3141 llcontbuglit ("Attempt to exit global context");
3146 usymtab_exitScope (exp);
3151 context_enterStructInnerContext (void)
3153 if (context_getFlag (FLG_GRAMMAR))
3155 lldiagmsg (message ("Enter struct inner context: %q", context_unparse ()));
3158 if (gc.kind == CX_GLOBAL)
3163 else if (gc.kind == CX_INNER)
3172 usymtab_enterScope ();
3174 if (context_getFlag (FLG_GRAMMAR))
3176 lldiagmsg (message ("Enter struct inner context: %q", context_unparse ()));
3181 context_exitStructInnerContext (void)
3183 if (context_getFlag (FLG_GRAMMAR))
3185 lldiagmsg (message ("Exit struct inner context: %q [%d]", context_unparse (), gc.cont.cdepth));
3188 if (gc.kind == CX_INNER)
3190 if (gc.cont.cdepth <= 0)
3192 llcontbuglit ("Attempt to exit inner context with no depth");
3193 gc.kind = CX_GLOBAL;
3194 gc.cont.glob = TRUE;
3200 if (gc.cont.cdepth == 0)
3202 gc.kind = CX_GLOBAL;
3203 gc.cont.glob = TRUE;
3209 if (gc.kind == CX_GLOBAL)
3211 llcontbuglit ("Attempt to exit global context");
3216 usymtab_exitScope (exprNode_undefined);
3218 if (context_getFlag (FLG_GRAMMAR))
3220 lldiagmsg (message ("After exit struct inner context: %q [%d]", context_unparse (), gc.cont.cdepth));
3225 context_exitInnerSafe (void)
3227 if (context_getFlag (FLG_GRAMMAR))
3229 lldiagmsg (message ("Exit inner safe: %q", context_unparse ()));
3232 if (gc.kind == CX_INNER)
3234 if (--gc.cont.cdepth <= 0)
3239 else if (gc.kind == CX_GLOBAL)
3241 llcontbuglit ("Attempt to exit global context");
3246 if (usymtab_inDeepScope ())
3248 usymtab_exitScope (exprNode_undefined);
3254 void setModuleAccess (void)
3256 gc.facct = typeIdSet_emptySet ();
3258 if (fileId_isValid (currentFile ()))
3260 cstring baseName = fileloc_getBase (g_currentloc);
3262 if (context_getFlag (FLG_ACCESSFILE))
3264 if (usymtab_existsType (baseName))
3266 gc.facct = typeIdSet_insert (gc.facct,
3267 usymtab_getTypeId (baseName));
3275 if (context_getFlag (FLG_ACCESSMODULE))
3278 bool hasaccess = FALSE;
3280 for (i = 0; i < gc.nmods; i++)
3282 if (cstring_equal (baseName, gc.moduleaccess[i].file))
3284 gc.facct = typeIdSet_union (gc.facct, gc.moduleaccess[i].daccess);
3293 gc.inheader = fileId_isHeader (currentFile ());
3297 llcontbuglit ("Current file not defined\n");
3298 gc.facct = typeIdSet_emptySet ();
3300 gc.inheader = FALSE;
3303 /* 17 Jan 1995: forgot to clear nacct */
3305 gc.nacct = typeIdSet_emptySet ();
3309 context_enterFileAux (void)
3315 context_enterFile (void)
3317 context_enterFileAux ();
3318 usymtab_enterFile ();
3322 context_enterMacroFile (void)
3324 context_enterFileAux ();
3328 context_inFunction (void)
3330 kcontext ck = gc.kind;
3332 return ((ck == CX_FUNCTION) || (ck == CX_MACROFCN) || (ck == CX_INNER));
3336 context_inFunctionLike (void)
3338 return (gc.kind == CX_FUNCTION || gc.kind == CX_MACROFCN
3339 || gc.kind == CX_FCNDECLARATION
3340 || gc.kind == CX_UNKNOWNMACRO || gc.kind == CX_ITERDEF);
3344 context_inRealFunction (void)
3346 kcontext ck = gc.kind;
3348 return ((ck == CX_FUNCTION) || (ck == CX_MACROFCN));
3352 context_processAllMacros (void)
3354 usymtab_enterFile ();
3356 gc.inmacrocache = TRUE;
3357 macrocache_processUndefinedElements (gc.mc);
3359 usymtab_exitFile ();
3361 gc.inmacrocache = FALSE;
3362 macrocache_finalize ();
3366 ** this happens once at the end of each C file
3368 ** check each Macro that was defined in current file.c or current file.h
3373 context_processMacros (void)
3375 if (fileId_isValid (currentFile ()))
3378 cstring cbase = fileLib_removePathFree (fileLib_removeAnyExtension (fileName (currentFile ())));
3380 gc.inmacrocache = TRUE;
3382 DPRINTF (("Processing macros: %s", cbase));
3383 lastfl = macrocache_processFileElements (gc.mc, cbase);
3384 DPRINTF (("Processing macros: %s", fileloc_unparse (lastfl)));
3386 cstring_free (cbase);
3388 if (fileloc_isDefined (lastfl))
3390 g_currentloc = fileloc_update (g_currentloc, lastfl);
3394 gc.inmacrocache = FALSE;
3399 context_processingMacros (void)
3401 return (gc.inmacrocache);
3405 context_exitCFile (void)
3407 if (gc.kind != CX_GLOBAL)
3410 (cstring_makeLiteral ("File ended outside global scope"));
3413 if (gc.insuppressregion)
3415 /* gack...don't reverse the order of these lines! ;-> */
3416 gc.insuppressregion = FALSE;
3417 llerrorlit (FLG_SYNTAX,
3418 "File ended in ignore errors region, "
3419 "possible missing /*@end*/");
3422 /* fix up parse errors */
3424 while (!usymtab_inFileScope ())
3426 usymtab_quietExitScope (g_currentloc);
3430 ** Clear the file-specific modifies information.
3433 sRefSetList_elements (gc.modrecs, mods)
3435 sRefSet_clearStatics (mods);
3436 } end_sRefSetList_elements ;
3438 sRefSetList_clear (gc.modrecs);
3440 context_processMacros ();
3443 usymtab_exitFile ();
3445 gc.inDerivedFile = FALSE;
3446 filelocStack_clear (gc.locstack);
3448 gc.nacct = typeIdSet_emptySet (); /* empty noaccess */
3450 gc.cont.glob = TRUE;
3454 context_restoreFlagSettings ();
3455 gc.savedFlags = FALSE;
3459 DPRINTF (("After exiting file: "));
3460 usymtab_printAll ();
3465 context_exitMacroCache (void)
3467 if (gc.kind != CX_GLOBAL)
3469 if (context_inMacro ())
3470 /* this is okay, file could end without newline in macro */
3472 DPRINTF (("Still in macro: %s",
3473 context_unparse ()));
3474 context_exitFunction ();
3478 llcontbug (message ("context_exitMacroCache: outside global scope: %q",
3479 context_unparse ()));
3480 gc.kind = CX_GLOBAL;
3485 ** no longer valid here
3486 ** if (gc.insuppressregion)
3488 ** gc.insuppressregion = FALSE;
3489 ** llerror ("File ended in ignore errors region, possible missing @");
3493 gc.cont.glob = TRUE;
3497 context_saveLocation (void)
3499 /* was llassert (fileloc_isUndefined (gc.saveloc)) */
3500 fileloc_free (gc.saveloc);
3501 gc.saveloc = fileloc_copy (g_currentloc);
3505 context_getSaveLocation (void)
3507 fileloc fl = gc.saveloc;
3508 gc.saveloc = fileloc_undefined;
3512 /*@observer@*/ cstring
3513 context_inFunctionName (void)
3515 if (gc.kind == CX_FUNCTION
3516 || gc.kind == CX_MACROFCN || gc.kind == CX_UNKNOWNMACRO
3517 || gc.kind == CX_MACROCONST
3518 || gc.kind == CX_ITERDEF || gc.kind == CX_ITEREND)
3520 return (uentry_rawName (gc.cont.fcn));
3524 llcontbuglit ("context_inFunctionName: not in function");
3525 return (cstring_undefined);
3530 context_userSetFlag (flagcode f, bool b)
3532 DPRINTF (("set flag: %s", flagcode_unparse (f)));
3534 if (f == FLG_NEVERINCLUDE && b)
3536 if (gc.flags[FLG_EXPORTHEADER])
3538 llerror_flagWarning (cstring_makeLiteral
3539 ("setting +neverinclude after +exportheader. "
3540 "Turning off exportheader, since headers are not checked "
3541 "when +neverinclude is used."));
3543 gc.flags[FLG_EXPORTHEADER] = FALSE;
3548 if (f == FLG_EXPORTHEADER && b)
3550 if (gc.flags[FLG_NEVERINCLUDE])
3552 llerror_flagWarning (cstring_makeLiteral
3553 ("setting +exportheader after +neverinclude. "
3554 "Not setting exportheader, since headers are not checked "
3555 "when +neverinclude is used."));
3556 gc.flags[FLG_EXPORTHEADER] = FALSE;
3562 if (context_getFlag (FLG_WARNFLAGS) && f != FLG_NOF && f != FLG_OPTF)
3564 bool lastsetting = context_getFlag (f);
3566 if (bool_equal (lastsetting, b)
3567 && !flagcode_isSpecialFlag (f)
3568 && !flagcode_isIdemFlag (f)
3569 && !flagcode_hasArgument (f))
3571 llerror_flagWarning (message ("setting %s%s redundant with current value",
3572 cstring_makeLiteralTemp (b ? "+" : "-"),
3573 flagcode_unparse (f)));
3577 if (flagcode_isWarnUseFlag (f) && b)
3579 if (!context_getFlag (FLG_WARNUSE))
3581 llerror_flagWarning (message ("flag +%s is canceled by -warnuse",
3582 flagcode_unparse (f)));
3588 if (flagcode_isLibraryFlag (f))
3590 if (gc.library != FLG_ANSILIB
3593 llerror_flagWarning (message ("selecting library %s after library %s was "
3594 "selected (only one library may be used)",
3595 flagcode_unparse (f),
3596 flagcode_unparse (gc.library)));
3599 if (f == FLG_UNIXLIB)
3601 if (context_getFlag (FLG_WARNUNIXLIB))
3603 llerror_flagWarning (cstring_makeLiteral
3604 ("selecting unix library. Unix library is "
3605 "ad hoc addition to POSIX library. Recommend "
3606 "use +posixlib to select POSIX library instead. "
3607 "Use -warnunixlib to suppress this message."));
3614 if (flagcode_isNameChecksFlag (f) && b && !context_maybeSet (FLG_NAMECHECKS))
3616 llerror_flagWarning (message
3617 ("setting +%s will not produce warnings with -namechecks. Must set +namechecks also.",
3618 flagcode_unparse (f)));
3621 gc.setGlobally[f] = TRUE;
3622 context_setFlag (f, b);
3626 context_fileSetFlag (flagcode f, ynm set)
3630 context_saveFlagSettings ();
3633 if (ynm_isOff (set))
3635 context_setFlagAux (f, FALSE, TRUE, FALSE);
3637 else if (ynm_isOn (set))
3639 context_setFlagAux (f, TRUE, TRUE, FALSE);
3640 gc.setLocally[f] = TRUE;
3644 context_restoreFlag (f);
3649 context_restoreFlag (flagcode f)
3656 message ("Attempt to restore flag %s when no file scope flags "
3658 flagcode_unparse (f)),
3663 context_addFlagMarker (f, MAYBE);
3664 context_setFlagAux (f, gc.saveflags[f], FALSE, TRUE);
3670 context_setFlag (flagcode f, bool b)
3672 context_setFlagAux (f, b, FALSE, FALSE);
3676 context_setFlagTemp (flagcode f, bool b)
3678 DPRINTF (("Set flag temp: %s / %s", flagcode_unparse (f), bool_unparse (b)));
3683 # define DOSET(ff,b) \
3684 do { if (inFile) { gc.setLocally[ff] = TRUE; \
3685 context_addFlagMarker (ff, ynm_fromBool (b)); } \
3686 DPRINTF (("set flag: %s / %s", flagcode_unparse (ff), bool_unparse (b))); \
3687 gc.flags[ff] = b; } while (FALSE)
3690 context_setFlagAux (flagcode f, bool b, bool
3691 inFile, /*@unused@*/ bool isRestore)
3693 DPRINTF (("set flag: %s / %s", flagcode_unparse (f), bool_unparse (b)));
3695 if (f == FLG_USESTDERR)
3698 g_msgstream = stderr;
3700 g_msgstream = stdout;
3705 ** Removed test for special flags.
3708 if (flagcode_isIdemFlag (f))
3717 if (f >= FLG_ITS4MOSTRISKY && f <= FLG_ITS4LOWRISK)
3719 if (b) /* Turing higher level on, turns on all lower levels */
3723 case FLG_ITS4MOSTRISKY:
3724 DOSET (FLG_ITS4VERYRISKY, b);
3726 case FLG_ITS4VERYRISKY:
3727 DOSET (FLG_ITS4RISKY, b);
3730 DOSET (FLG_ITS4MODERATERISK, b);
3732 case FLG_ITS4MODERATERISK:
3733 DOSET (FLG_ITS4LOWRISK, b);
3735 case FLG_ITS4LOWRISK:
3740 else /* Turning level off, turns off all higher levels */
3744 case FLG_ITS4LOWRISK:
3745 DOSET (FLG_ITS4MODERATERISK, b);
3747 case FLG_ITS4MODERATERISK:
3748 DOSET (FLG_ITS4RISKY, b);
3751 DOSET (FLG_ITS4VERYRISKY, b);
3753 case FLG_ITS4VERYRISKY:
3754 DOSET (FLG_ITS4MOSTRISKY, b);
3756 case FLG_ITS4MOSTRISKY:
3766 DOSET (FLG_ALLEMPTY, b);
3767 DOSET (FLG_IFEMPTY, b);
3768 DOSET (FLG_WHILEEMPTY, b);
3769 DOSET (FLG_FOREMPTY, b);
3772 DOSET (FLG_PREDBOOL, b);
3773 DOSET (FLG_PREDBOOLINT, b);
3774 DOSET (FLG_PREDBOOLPTR, b);
3775 DOSET (FLG_PREDBOOLOTHERS, b);
3778 DOSET (FLG_CHECKSTRICTGLOBALIAS, b);
3779 DOSET (FLG_CHECKEDGLOBALIAS, b);
3780 DOSET (FLG_CHECKMODGLOBALIAS, b);
3781 DOSET (FLG_UNCHECKEDGLOBALIAS, b);
3784 DOSET (FLG_ALLBLOCK, b);
3785 DOSET (FLG_IFBLOCK, b);
3786 DOSET (FLG_WHILEBLOCK, b);
3787 DOSET (FLG_FORBLOCK, b);
3801 DOSET (FLG_GRAMMAR, b);
3803 case FLG_CODEIMPONLY:
3804 DOSET (FLG_CODEIMPONLY, b);
3805 DOSET (FLG_GLOBIMPONLY, b);
3806 DOSET (FLG_RETIMPONLY, b);
3807 DOSET (FLG_STRUCTIMPONLY, b);
3809 case FLG_SPECALLIMPONLY:
3810 DOSET (FLG_SPECALLIMPONLY, b);
3811 DOSET (FLG_SPECGLOBIMPONLY, b);
3812 DOSET (FLG_SPECRETIMPONLY, b);
3813 DOSET (FLG_SPECSTRUCTIMPONLY, b);
3815 case FLG_ALLIMPONLY:
3816 DOSET (FLG_ALLIMPONLY, b);
3817 DOSET (FLG_GLOBIMPONLY, b);
3818 DOSET (FLG_RETIMPONLY, b);
3819 DOSET (FLG_STRUCTIMPONLY, b);
3820 DOSET (FLG_SPECGLOBIMPONLY, b);
3821 DOSET (FLG_SPECRETIMPONLY, b);
3822 DOSET (FLG_SPECSTRUCTIMPONLY, b);
3824 case FLG_ANSILIMITS:
3825 DOSET (FLG_ANSILIMITS, b);
3826 DOSET (FLG_CONTROLNESTDEPTH, b);
3827 DOSET (FLG_STRINGLITERALLEN, b);
3828 DOSET (FLG_INCLUDENEST, b);
3829 DOSET (FLG_NUMSTRUCTFIELDS, b);
3830 DOSET (FLG_NUMENUMMEMBERS, b);
3834 context_setValue (FLG_CONTROLNESTDEPTH, DEFAULT_CONTROLNESTDEPTH);
3835 context_setValue (FLG_STRINGLITERALLEN, DEFAULT_STRINGLITERALLEN);
3836 context_setValue (FLG_INCLUDENEST, DEFAULT_INCLUDENEST);
3837 context_setValue (FLG_NUMSTRUCTFIELDS, DEFAULT_NUMSTRUCTFIELDS);
3838 context_setValue (FLG_NUMENUMMEMBERS, DEFAULT_NUMENUMMEMBERS);
3841 case FLG_EXTERNALNAMELEN:
3842 DOSET (FLG_DISTINCTEXTERNALNAMES, TRUE);
3843 DOSET (FLG_EXTERNALNAMELEN, TRUE);
3845 case FLG_INTERNALNAMELEN:
3846 DOSET (FLG_DISTINCTINTERNALNAMES, TRUE);
3847 DOSET (FLG_INTERNALNAMELEN, TRUE);
3849 case FLG_EXTERNALNAMECASEINSENSITIVE:
3850 DOSET (FLG_EXTERNALNAMECASEINSENSITIVE, b);
3852 if (b && !gc.flags[FLG_DISTINCTEXTERNALNAMES])
3854 DOSET (FLG_DISTINCTEXTERNALNAMES, TRUE);
3855 context_setValue (FLG_EXTERNALNAMELEN, 0);
3858 case FLG_INTERNALNAMECASEINSENSITIVE:
3859 DOSET (FLG_INTERNALNAMECASEINSENSITIVE, b);
3861 if (b && !gc.flags[FLG_DISTINCTINTERNALNAMES])
3863 DOSET (FLG_DISTINCTINTERNALNAMES, TRUE);
3864 context_setValue (FLG_INTERNALNAMELEN, 0);
3867 case FLG_INTERNALNAMELOOKALIKE:
3868 DOSET (FLG_INTERNALNAMELOOKALIKE, b);
3870 if (b && !gc.flags[FLG_DISTINCTINTERNALNAMES])
3872 DOSET (FLG_DISTINCTINTERNALNAMES, TRUE);
3873 context_setValue (FLG_INTERNALNAMELEN, 0);
3877 DOSET (FLG_MODNOMODS, b);
3878 DOSET (FLG_MODGLOBSUNSPEC, b);
3879 DOSET (FLG_MODSTRICTGLOBSUNSPEC, b);
3882 DOSET (FLG_EXPORTVAR, b);
3883 DOSET (FLG_EXPORTFCN, b);
3884 DOSET (FLG_EXPORTTYPE, b);
3885 DOSET (FLG_EXPORTMACRO, b);
3886 DOSET (FLG_EXPORTCONST, b);
3887 gc.anyExports = TRUE;
3890 DOSET (FLG_RETEXPOSE, b);
3891 DOSET (FLG_ASSIGNEXPOSE, b);
3892 DOSET (FLG_CASTEXPOSE, b);
3895 DOSET (FLG_RETVALBOOL, b);
3896 DOSET (FLG_RETVALINT, b);
3897 DOSET (FLG_RETVALOTHER, b);
3902 DOSET (FLG_EXPORTLOCAL, FALSE);
3903 DOSET (FLG_DECLUNDEF, FALSE);
3904 DOSET (FLG_SPECUNDEF, FALSE);
3905 DOSET (FLG_TOPUNUSED, FALSE);
3909 DOSET (FLG_LOOPLOOPBREAK, b);
3910 DOSET (FLG_LOOPSWITCHBREAK, b);
3911 DOSET (FLG_SWITCHLOOPBREAK, b);
3912 DOSET (FLG_SWITCHSWITCHBREAK, b);
3913 DOSET (FLG_LOOPLOOPCONTINUE, b);
3914 DOSET (FLG_DEEPBREAK, b);
3917 DOSET (FLG_ACCESSMODULE, b);
3918 DOSET (FLG_ACCESSFILE, b);
3919 DOSET (FLG_ACCESSCZECH, b);
3922 DOSET (FLG_ALLMACROS, b);
3923 DOSET (FLG_FCNMACROS, b);
3924 DOSET (FLG_CONSTMACROS, b);
3927 if (b) { DOSET (FLG_ACCESSCZECH, b); }
3928 DOSET (FLG_CZECHFUNCTIONS, b);
3929 DOSET (FLG_CZECHVARS, b);
3930 DOSET (FLG_CZECHCONSTANTS, b);
3931 DOSET (FLG_CZECHTYPES, b);
3934 if (b) { DOSET (FLG_ACCESSSLOVAK, b); }
3935 DOSET (FLG_SLOVAKFUNCTIONS, b);
3936 DOSET (FLG_SLOVAKVARS, b);
3937 DOSET (FLG_SLOVAKCONSTANTS, b);
3938 DOSET (FLG_SLOVAKTYPES, b);
3940 case FLG_CZECHOSLOVAK:
3941 if (b) { DOSET (FLG_ACCESSCZECHOSLOVAK, b); }
3942 DOSET (FLG_CZECHOSLOVAKFUNCTIONS, b);
3943 DOSET (FLG_CZECHOSLOVAKVARS, b);
3944 DOSET (FLG_CZECHOSLOVAKCONSTANTS, b);
3945 DOSET (FLG_CZECHOSLOVAKTYPES, b);
3948 DOSET (FLG_NULLSTATE, b);
3949 DOSET (FLG_NULLDEREF, b);
3950 DOSET (FLG_NULLASSIGN, b);
3951 DOSET (FLG_NULLPASS, b);
3952 DOSET (FLG_NULLRET, b);
3955 DOSET (FLG_NULLSTATE, b);
3956 DOSET (FLG_NULLDEREF, b);
3957 DOSET (FLG_NULLASSIGN, b);
3958 DOSET (FLG_NULLPASS, b);
3959 DOSET (FLG_NULLRET, b);
3960 DOSET (FLG_COMPDEF, b);
3961 DOSET (FLG_COMPMEMPASS, b);
3962 DOSET (FLG_UNIONDEF, b);
3963 DOSET (FLG_MEMTRANS, b);
3964 DOSET (FLG_USERELEASED, b);
3965 DOSET (FLG_ALIASUNIQUE, b);
3966 DOSET (FLG_MAYALIASUNIQUE, b);
3967 DOSET (FLG_MUSTFREE, b);
3968 DOSET (FLG_MUSTDEFINE, b);
3969 DOSET (FLG_GLOBSTATE, b);
3970 DOSET (FLG_COMPDESTROY, b);
3971 DOSET (FLG_MUSTNOTALIAS, b);
3972 DOSET (FLG_MEMIMPLICIT, b);
3973 DOSET (FLG_BRANCHSTATE, b);
3974 /*@fallthrough@*/ /* also sets memtrans flags */
3976 DOSET (FLG_MEMTRANS, b);
3977 DOSET (FLG_EXPOSETRANS, b);
3978 DOSET (FLG_OBSERVERTRANS, b);
3979 DOSET (FLG_DEPENDENTTRANS, b);
3980 DOSET (FLG_NEWREFTRANS, b);
3981 DOSET (FLG_ONLYTRANS, b);
3982 DOSET (FLG_OWNEDTRANS, b);
3983 DOSET (FLG_FRESHTRANS, b);
3984 DOSET (FLG_SHAREDTRANS, b);
3985 DOSET (FLG_TEMPTRANS, b);
3986 DOSET (FLG_KEPTTRANS, b);
3987 DOSET (FLG_REFCOUNTTRANS, b);
3988 DOSET (FLG_STATICTRANS, b);
3989 DOSET (FLG_UNKNOWNTRANS, b);
3990 DOSET (FLG_KEEPTRANS, b);
3991 DOSET (FLG_IMMEDIATETRANS, b);
3998 if (b && !gc.anyExports
3999 && (f == FLG_EXPORTVAR || f == FLG_EXPORTFCN
4000 || f == FLG_EXPORTTYPE || f == FLG_EXPORTMACRO
4001 || f == FLG_EXPORTCONST
4002 || f == FLG_EXPORTANY))
4004 gc.anyExports = TRUE;
4009 context_maybeSet (flagcode d)
4011 return (gc.flags[d] || gc.setLocally[d]);
4015 context_getFlag (flagcode d)
4017 return (gc.flags[d]);
4021 context_flagOn (flagcode f, fileloc loc)
4023 return (!context_suppressFlagMsg (f, loc));
4026 static void context_saveFlagSettings (void)
4028 gc.savedFlags = TRUE;
4029 llassert (sizeof (gc.saveflags) == sizeof (gc.flags));
4030 memcpy (gc.saveflags, gc.flags, sizeof (gc.flags));
4033 static void context_restoreFlagSettings (void)
4035 llassert (sizeof (gc.saveflags) == sizeof (gc.flags));
4036 memcpy (gc.flags, gc.saveflags, sizeof (gc.flags));
4037 gc.savedFlags = FALSE;
4040 void context_setFilename (fileId fid, int lineno)
4041 /*@globals fileloc g_currentloc;@*/
4042 /*@modifies g_currentloc@*/
4044 if (fileId_baseEqual (currentFile (), fid))
4051 fileloc_setColumn (g_currentloc, 0);
4053 if (fileloc_isSpecialFile (g_currentloc))
4055 gc.inDerivedFile = TRUE;
4058 if (filelocStack_popPushFile (gc.locstack, g_currentloc))
4060 int maxdepth = context_getValue (FLG_INCLUDENEST);
4062 if (filelocStack_size (gc.locstack) > maxdepth)
4064 int depth = filelocStack_includeDepth (gc.locstack);
4066 if (depth > maxdepth)
4070 message ("Maximum include nesting depth "
4071 "(%d, current depth %d) exceeded",
4074 filelocStack_nextTop (gc.locstack)))
4076 filelocStack_printIncludes (gc.locstack);
4082 g_currentloc = fileloc_create (fid, lineno, 1);
4083 gc.inheader = fileId_isHeader (currentFile ());
4085 context_enterFileAux ();
4089 void context_enterIterDef (/*@observer@*/ uentry le)
4091 context_enterMacro (le);
4092 gc.acct = typeIdSet_subtract (gc.facct, gc.nacct);
4093 gc.kind = CX_ITERDEF;
4096 void context_enterIterEnd (/*@observer@*/ uentry le)
4098 context_enterMacro (le);
4099 gc.kind = CX_ITEREND;
4103 context_destroyMod (void)
4104 /*@globals killed gc@*/
4107 ctype_destroyMod ();
4111 fileTable_free (gc.ftab);
4112 filelocStack_free (gc.locstack);
4114 gc.ftab = fileTable_undefined;
4116 macrocache_free (gc.mc);
4117 sfree (gc.moduleaccess);
4120 fileloc_free (gc.saveloc); gc.saveloc = fileloc_undefined;
4121 fileloc_free (gc.pushloc); gc.pushloc = fileloc_undefined;
4124 sRefSetList_free (gc.modrecs);
4126 flagMarkerList_free (gc.markers);
4128 messageLog_free (gc.msgLog);
4130 clauseStack_free (gc.clauses);
4133 cstring_free (gc.msgAnnote);
4134 globSet_free (gc.globs_used);
4135 metaStateTable_free (gc.stateTable);
4136 annotationTable_free (gc.annotTable);
4143 bool context_msgBoolInt (void)
4145 return gc.flags [FLG_BOOLINT];
4148 bool context_msgCharInt (void)
4150 return gc.flags [FLG_CHARINT];
4153 bool context_msgEnumInt (void)
4155 return gc.flags [FLG_ENUMINT];
4158 bool context_msgPointerArith (void)
4160 return gc.flags [FLG_POINTERARITH];
4163 bool context_msgStrictOps (void)
4165 return gc.flags [FLG_STRICTOPS];
4169 bool context_msgLh (void)
4171 return gc.flags [FLG_DOLH];
4175 void context_pushLoc (void)
4177 fileloc_free (gc.pushloc);
4178 gc.pushloc = gc.saveloc;
4179 gc.saveloc = fileloc_undefined;
4182 void context_popLoc (void)
4184 gc.saveloc = fileloc_update (gc.saveloc, gc.pushloc);
4187 bool context_inGlobalScope (void)
4189 return (usymtab_inFileScope() || usymtab_inGlobalScope ());
4192 bool context_inInnerScope (void)
4194 return (gc.kind == CX_INNER);
4197 void context_setProtectVars (void)
4199 gc.protectVars = TRUE;
4202 bool context_anyErrors (void)
4204 return (gc.numerrors > 0);
4207 void context_hasError (void)
4210 DPRINTF (("num errors: %d", gc.numerrors));
4213 int context_numErrors (void)
4215 return gc.numerrors;
4218 bool context_neednl (void)
4223 void context_setNeednl (void)
4228 int context_getExpect (void)
4230 return (context_getValue (FLG_EXPECT));
4234 int context_getLCLExpect (void)
4236 return (context_getValue (FLG_LCLEXPECT));
4240 int context_getLimit (void)
4242 return (context_getValue (FLG_LIMIT));
4245 bool context_unlimitedMessages (void)
4247 return (context_getLimit () < 0);
4250 void context_releaseVars (void)
4252 llassert (gc.protectVars);
4253 gc.protectVars = FALSE;
4256 void context_sizeofReleaseVars (void)
4258 /* If there is a nested sizeof, this might not hold:
4259 llassert (gc.protectVars);
4262 gc.protectVars = FALSE;
4265 bool context_inProtectVars (void)
4267 return (gc.protectVars);
4270 void context_hideShowscan (void)
4272 gc.flags[FLG_SHOWSCAN] = FALSE;
4275 void context_unhideShowscan (void)
4277 gc.flags[FLG_SHOWSCAN] = TRUE;
4280 bool context_inHeader (void)
4282 return (gc.inheader);
4285 fileTable context_fileTable (void)
4290 cstring context_tmpdir (void)
4292 return (context_getString (FLG_TMPDIR));
4295 messageLog context_messageLog (void)
4300 bool context_inMacroFunction (void)
4302 return (gc.kind == CX_MACROFCN);
4305 bool context_inMacroConstant (void)
4307 return (gc.kind == CX_MACROCONST);
4310 bool context_inUnknownMacro (void)
4312 return (gc.kind == CX_UNKNOWNMACRO);
4315 void context_setShownFunction (void)
4317 gc.showfunction = FALSE;
4320 bool context_doDump (void)
4322 return cstring_isNonEmpty (context_getString (FLG_DUMP));
4325 bool context_doMerge (void)
4327 return cstring_isNonEmpty (context_getString (FLG_MERGE));
4330 cstring context_getDump (void)
4332 return context_getString (FLG_DUMP);
4335 cstring context_getMerge (void)
4337 return context_getString (FLG_MERGE);
4341 bool context_inLCLLib (void)
4343 return (gc.kind == CX_LCLLIB);
4346 bool context_inImport (void)
4348 return (gc.inimport);
4351 void context_enterImport (void)
4356 void context_leaveImport (void)
4358 gc.inimport = FALSE;
4362 bool context_inMacro (void)
4364 return (gc.kind == CX_MACROFCN || gc.kind == CX_MACROCONST
4365 || gc.kind == CX_UNKNOWNMACRO
4366 || gc.kind == CX_ITERDEF || gc.kind == CX_ITEREND);
4369 bool context_inIterDef (void)
4371 return (gc.kind == CX_ITERDEF);
4374 bool context_inIterEnd (void)
4376 return (gc.kind == CX_ITEREND);
4379 int context_getLinesProcessed (void)
4381 return (gc.linesprocessed);
4384 int context_getSpecLinesProcessed (void)
4386 return (gc.speclinesprocessed);
4390 void context_processedSpecLine (void)
4392 gc.speclinesprocessed++;
4395 void context_resetSpecLines (void)
4397 gc.speclinesprocessed = 0;
4401 bool context_inGlobalContext (void)
4403 return (gc.kind == CX_GLOBAL);
4406 static void context_quietExitScopes (void)
4409 ** Try to restore the global scope (after an error).
4412 while (!usymtab_inFileScope ())
4414 usymtab_quietExitScope (g_currentloc);
4417 gc.cont.glob = TRUE;
4418 gc.kind = CX_GLOBAL;
4421 void context_checkGlobalScope (void)
4423 if (gc.kind != CX_GLOBAL)
4425 llcontbug (message ("Not in global scope as expected: %q", context_unparse ()));
4426 context_quietExitScopes ();
4430 void context_setFileId (fileId s)
4432 g_currentloc = fileloc_updateFileId (g_currentloc, s);
4435 bool context_setBoolName (void)
4437 return (!cstring_equalLit (context_getString (FLG_BOOLTYPE),
4441 cstring context_printBoolName (void)
4443 if (context_setBoolName ())
4445 return context_getBoolName ();
4449 return cstring_makeLiteralTemp ("boolean");
4453 cstring context_getBoolName (void)
4455 return (context_getString (FLG_BOOLTYPE));
4458 cstring context_getFalseName (void)
4460 return (context_getString (FLG_BOOLFALSE));
4463 cstring context_getTrueName (void)
4465 return (context_getString (FLG_BOOLTRUE));
4468 cstring context_getLarchPath (void)
4470 return (context_getString (FLG_LARCHPATH));
4473 cstring context_getLCLImportDir (void)
4475 return (context_getString (FLG_LCLIMPORTDIR));
4478 static void context_setJustPopped (void)
4480 gc.justpopped = TRUE;
4483 void context_clearJustPopped (void)
4485 gc.justpopped = FALSE;
4488 bool context_justPopped (void)
4490 return (gc.justpopped);
4493 void context_setMacroMissingParams (void)
4495 gc.macroMissingParams = TRUE;
4498 void context_resetMacroMissingParams (void)
4500 gc.macroMissingParams = FALSE;
4503 bool context_isMacroMissingParams (void)
4505 return (gc.macroMissingParams);
4508 void context_showFilelocStack (void)
4510 filelocStack_printIncludes (gc.locstack);
4513 metaStateTable context_getMetaStateTable (void)
4515 return gc.stateTable;
4518 metaStateInfo context_lookupMetaStateInfo (cstring key)
4520 return metaStateTable_lookup (gc.stateTable, key);
4523 /*@null@*/ annotationInfo context_lookupAnnotation (cstring annot)
4525 annotationInfo ainfo;
4527 ainfo = annotationTable_lookup (gc.annotTable, annot);
4532 void context_addAnnotation (annotationInfo ainfo)
4534 if (annotationTable_contains (gc.annotTable, annotationInfo_getName (ainfo)))
4538 message ("Duplicate annotation declaration: %s", annotationInfo_getName (ainfo)),
4539 annotationInfo_getLoc (ainfo));
4541 annotationInfo_free (ainfo);
4545 annotationTable_insert (gc.annotTable, ainfo);
4549 void context_addMetaState (cstring mname, metaStateInfo msinfo)
4551 if (metaStateTable_contains (gc.stateTable, mname))
4555 message ("Duplicate metastate declaration: %s", mname),
4556 metaStateInfo_getLoc (msinfo));
4557 cstring_free (mname);
4558 metaStateInfo_free (msinfo);
4562 DPRINTF (("Adding meta state: %s", mname));
4563 metaStateTable_insert (gc.stateTable, mname, msinfo);
4567 valueTable context_createValueTable (sRef s, stateInfo sinfo)
4569 if (metaStateTable_size (gc.stateTable) > 0)
4571 valueTable res = valueTable_create (metaStateTable_size (gc.stateTable));
4572 /*@i32 should use smaller value... */
4573 DPRINTF (("Value table for: %s", sRef_unparse (s)));
4575 metaStateTable_elements (gc.stateTable, msname, msi)
4577 mtContextNode context = metaStateInfo_getContext (msi);
4579 if (mtContextNode_matchesRefStrict (context, s))
4581 DPRINTF (("Create: %s", metaStateInfo_unparse (msi)));
4582 llassert (cstring_equal (msname, metaStateInfo_getName (msi)));
4586 cstring_copy (metaStateInfo_getName (msi)),
4587 stateValue_createImplicit (metaStateInfo_getDefaultValue (msi, s),
4588 stateInfo_copy (sinfo)));
4592 DPRINTF (("No match: %s", metaStateInfo_unparse (msi)));
4595 end_metaStateTable_elements ;
4597 stateInfo_free (sinfo);
4598 DPRINTF (("Value table: %s", valueTable_unparse (res)));
4603 stateInfo_free (sinfo);
4604 return valueTable_undefined;
4608 valueTable context_createGlobalMarkerValueTable (stateInfo sinfo)
4610 if (metaStateTable_size (gc.stateTable) > 0)
4612 valueTable res = valueTable_create (metaStateTable_size (gc.stateTable));
4613 /*@i32 should use smaller value... */
4615 metaStateTable_elements (gc.stateTable, msname, msi)
4617 /*@i23 only add global...*/
4618 DPRINTF (("Create: %s", metaStateInfo_unparse (msi)));
4619 llassert (cstring_equal (msname, metaStateInfo_getName (msi)));
4621 valueTable_insert (res,
4622 cstring_copy (metaStateInfo_getName (msi)),
4623 stateValue_create (metaStateInfo_getDefaultGlobalValue (msi),
4624 stateInfo_copy (sinfo)));
4626 end_metaStateTable_elements ;
4628 stateInfo_free (sinfo);
4629 DPRINTF (("Value table: %s", valueTable_unparse (res)));
4634 stateInfo_free (sinfo);
4635 return valueTable_undefined;