libpp change history ----- minor sync release ----- 09/11/89 add extra sun style 1,2 arg to line syncs in ppline with pp:linetype add pp:oldc to convert __STDC__ void* and prototypes to old C 08/11/89 fix <...> include dir bug 08/08/89 add SYM_INIT for #define during INIT 07/28/89 delete STRIPTOP, STRIP only T_STRING & T_CHARCONST at pp.level==1 add ppcargs() compatibility command line argument parse 07/17/89 dialect: ANSI (default) or (Reiser) compatibility style: extended (default) or strict use pathprobe(3) for dynamic ppdefault.h add PP_PROBE to specify pathprobe() processor add -[DI]+ to invert options in ppargs() delete PP_ANSI, PP_DIALECT, PP_INITDIR, PP_LANGUAGE delete PP_NONHOSTED, PP_NOPASSTHROUGH, PP_PHASEOUT add #pragma's for most ppargs() options add #option(pragma-option) predicate test PP_MACREF now called during initialization 07/11/89 add PP_BUILTIN for external #(...) handler add line number to missing endif message ignore errors in skipped ppexpr() &&, || and ?: subexpressions add space before macro actual in replacement text 07/04/89 fix PP_TRUNCATE interaction with PP_COMPILE 06/30/89 #define x #; x was recognized as directive # 06/27/89 don't pass comments during #if skip 05/01/89 add L"..." and L'...' wide quoted constants mixed "..." and L"..." ok -- L"..." for COMPILE, first otherwise fix PASSCOMMENTS in directives allow #define f(a,) for COMPATIBILITY fix literal string concatenation bugs fix header parsing in non-active if-blocks #endmac now takes no arg 04/11/89 tone down unknown directive diagnostic in conditional 04/07/89 move macref call before arg processing 03/27/89 fix pplex bug that bombed line sync for last line == #include 03/15/89 fix PP_TRUNCATE macro id bit table checks remove compatibility option s from ppargs() -- belongs in cmds 03/08/89 remove ``empty character constant'' warning for PASSTHROUGH 02/28/89 fix variable n usage conflict for DEFINE: in ppcontrol 02/22/89 fix -T conflict with __GNUC__ in ppargs 02/01/89 add -T (PP_TRUNCATE) for old non-flexname compiler compatibility 01/31/89 -I-M- finds map file by mapping input file name -I-H[directory] allowed for fine hosted control 01/24/89 fix #undef of SYM_READONLY macro message add PPCOMPATIBLE for compatibility installation in /lib/cpp add PP_MAP & -I-M to map include files for minimal including 01/18/89 fix pp.token setting by noting with pp.state|=TOKENSET 01/11/89 fix #if skip bug where quoted token set begin line state 12/11/88 add error checking wrappers to *alloc() 12/05/88 add PP_FILEDEPS (-M) and FILEDEPS mode for BSD compatibility 12/01/88 add #macdef-#endmac and change actualsync() char to SYNC ('\r') 11/30/88 TOKOUTBUF controls 11/28/88 STANDALONE speedup 11/28/88 speed up STANDALONE by avoiding pp.token copy 11/22/88 add comment removal to string_special 11/11/88 LIBEXPR enables expr(3) in ppexpr() (12K extra text) 10/11/88 move VARQUOTE to pp.mode 10/01/88 allow checkpoint files for !STANDALONE 08/31/88 add pp.undefsym for pp.macref's on undefined symbols 08/23/88 0xe+N -> `0xe' `+' `N' 08/16/88 fix ppckeys.c: T_DOUBLE->T_DOUBLE_T, T_FLOAT->T_FLOAT_T 07/17/88 add \newline to string_special add line number arg to pp.comment call move private stuff from pp.h to pplib.h add ignored -v to ppargs() (GNU uses this) 06/22/88 move pp.macref check; stack pp.state in ppcontrol() add PP_INCREF and (*pp.incref)(old-file, new-file, push|return) 06/11/88 add pp.macref add ppckeys.h and C, C++ and pcc-based C keyword tables 06/01/88 convert to new hash library interface 05/31/88 pp:readonly in PP_INIT only for STRICT 05/11/88 T_MOREARGS -> T_VARIADIC; add SYM_VARIADIC for ... last macro arg 05/03/88 fix empty include file bug by omitting empty check 04/27/88 ignore space in pragma % maps to accomodate SCCS %.% expansion 04/19/88 change pp.h to check for old nmake cpp clash with ppsymbol 04/11/88 fix flag check bug in ppload() 02/29/88 add MAP_ECHO and %E for MAP_RESCAN + echo PP_INITDIR inserted before PP_STANDARD during initialization 02/18/88 ignore malformed #'s in COMPATIBILITY macro definitions add pp.prefix, PP_PREFIX and -I-P for prefix dir "..." includes 02/10/88 add NOQUOTE to disable ' and " and decouple from VARQUOTE add keyword and quote pragmas 02/02/88 add strcmp builtin predicate for token string value comparison 01/24/88 fix handling in #define on bsd 01/20/88 add %T and fix %[...] pragma mapping formats 01/11/88 complete 12/11/87 COMPATIBILITY macro arg /**/ pasting bug fix complete KEYWORD support 01/08/88 add PP_KEYWORD, (pp.state & KEYWORD), -D-K and #if KEYARGS 01/06/88 hex char constants are now variable length 01/04/88 do not add terminator for COMPATIBILITY " and ' constants 12/11/87 remove #multiple in lieu of #pragma multiple add %R MAP_RESCAN option to rescan pragma/directive mapping fix COMPATIBILITY macro arg /**/ pasting bug 12/08/87 recode for updated hash library interface add T_PTRMEMREF ->* and T_DOTREF .* C++ operator tokens 12/01/87 reorganize pp token numbers to span 0401..0477 11/22/87 add operand error checks to ppexpr() add PP_DEFAULT and -I-Dfile for fine PPDEFAULT control 11/11/87 pppragma() now omits space after # for primitive passes (uts) 10/30/87 fix line count on `newline' in ['"] constant warning 10/29/87 add MAP_PLUSCOMMENT and %P to pragma|directive mapping 10/28/87 add head & tail args to ppcomment; pass // comments as is 10/23/87 add warning for multiple ppop(PP_LOCAL) calls 10/16/87 change PP_HOSTED to PP_HOSTDIR, add PP_HOSTED and PP_NONHOSTED add #(BASE) that expands to base name of #(FILE) 10/15/87 for PASSTHROUGH each line of multi-line "..." or '...' is a token 10/14/87 add ppmultiple() for multiple include test ops 10/11/87 delete CONVERTASSIGN -> `=' no longer recognized delete C++ := -> = conversion fix COMPATIBILITY macro recursion bug add `#pragma multiple' equivalent to `#multiple' 10/06/87 split pplex.c adding ppdirective.c and ppbuiltin.c don't recognize obsolete assignments for PLUSPLUS 10/05/87 fix PLUSPLUS PASSCOMMENTS bug `// */' -> `/* ***/' 10/01/87 allow newlines in ' and " constants for PASSTHROUGH 09/28/87 fix CONVERTCC STRICT bug that omitted octal character constants add CATLITERAL compile switch for adjacent string literal concatenation fix "\07" "3" -> "\073" string literal concatenation bug -> "\0073" 09/18/87 complete ppdump() and ppload() checkpoint support 09/17/87 fix macro formal bug that didn't update pointers after realloc() add PP_DONE complement op to PP_INIT add SYM_BUILTIN and #pragma pp:builtin to note builtin macros add PP_DUMP, -D-D and #pragma pp:load checkpoint support 08/20/87 fix bug that omitted some actualsync() calls for '\n' in pp.in->actual 08/19/87 fix pp.linesync==0 && PASSTHROUGH bug that omitted '\n' after "token" 08/11/87 fix #($var) null pointer bug 07/31/87 fix linesync bug for comment after #include in PASSCOMMENTS 07/24/87 add PP_NOPASSTHROUGH 07/16/87 fix predicate missing # ambiguity warning 07/09/87 fix `macro("@*")' bug in expand_special() 06/17/87 fix comment error message check that was off by one line 06/16/87 remove #pragma pp:multiple; add #multiple; retain PP_MULTIPLE 06/08/87 add # operator to disambiguate predicate tests inhibit more warnings on hosted files make diagnostics more consistent -- a little more work PP_READ files and their included files always marked hosted 06/05/87 fix macro actual arg collection with imbedded #include, #line 05/28/87 add `#pragma pp:multiple *' to mark all files multiple add -D-M for command line equivalent to `#pragma pp:multiple *' 05/01/87 clarify HOSTED and SYM_PREDEFINED 04/24/87 split pplex.c into smaller files -- too big for some compilers move common wrapper routines into the library fix ppargs() to cooperate with other option parsers 04/22/87 remove getenv("PPSTANDARD") override of PP_STANDARD 04/21/87 replace yacc parser with recursive expr() from library streval() 04/20/87 add #(()) expression evaluation on (x) add #(=) to dynamically evaluate macro values 04/11/87 home brew output buffering for PP_STANDALONE -- up to 10% cleanup 04/10/87 change T_STRING concatenation in preparation for new output buffering 04/09/87 fix character constant conversion warnings 04/07/87 fix \\n and ??/\n bugs in comment scan 04/06/87 add DIGIT, HEX, OCTAL and NONOCTAL case classes to ppdefs.h use GETCHR() and ISSPECIAL() in outer pplex() loop -- up to 10% fix macro actual arg count test 04/03/87 add PP_TEST and TEST1, TEST2 to mode for internal tests 04/02/87 delete PPDEFAULT and generalize with PP_READ note `# ""' as non-standard add check for malloc() out of space 04/01/87 C specific error messages only if language="C" C++ specific error messages only if language="C++" 03/31/87 delete command() predicate -- gateway for trojan horse 03/30/87 add dialect() and language() builtin predicates change in->standard to in->hosted and STANDARD to HOSTED add PP_HOSTED and change PP_NOSTANDARD to PP_NOHOSTED ignore #pragma for non-hosted files in STRICT dialect 03/27/87 add predop(); delete pp:plusplus pp:dialect and pp:language for verification only 03/24/87 ----- first release ----- 03/24/87 ----- first release ----- 03/23/87 allow WARN to apply to all dialects fix pp:directive `...multiple...' warning add MAP_NEWLINE to separate multiple pragmas 03/22/87 warn about null macro args for STRICT add PP_LANGUAGE, `#pragma language [language]' warn about newline in macro call arguments in directives warn about directives in macro call arguments for STRICT validate character constants in #if expressions 03/20/87 add PP_DIRECTIVE and PP_LOCAL add %I (ignore) map format and allow %X for pragma args 03/19/87 change PP_DEFAULT to PP_STANDARD, add PP_DIALECT add dialect arg to PP_COMPATIBILITY, PP_DIALECT and PP_STRICT add `#pragma pp:pragma pass:option format' mapping 03/18/87 delete pp:obsolete; fix `#pragma version' fixed macro stack frame bug during recursive macro arg expansion change CONFORMING, PP_CONFORMING to STRICT, PP_STRICT add `#pragma dialect [dialect]' verification 03/17/87 add PP_NOSTANDARD to disable any special handling of std files refine mkdefault.sh for sun workstations remove comma operator from pp.yacc since it implies side effects add argument type checking for pp:directive and pp:obsolete 03/16/87 refine CONFORMING messages disambiguate most #assert/#define clashes add PASSCOMMENT and (*ppcomment)() for old lint fans 03/14/87 #undef in pp:readonly marks id as readonly macro 03/11/87 warn about macros that are predicates in #if expressions add mode to handle uncoupled flag bit overflow from state 03/04/87 fix COMPATIBILITY to expand a macro in its definition 02/24/87 add gentab.sh and mkdefault.sh to Makefile 02/20/87 add IN_RECURSIVE for proper handling of #(...) 02/16/87 add #unassert; PP_WARN & WARN to note obsolete usage only recognize directive if # is first char for (state&COMPATIBILITY) generalize gentab.sh and retrofit pp.tab change in->name.file to be the name of including file 02/13/87 add pp.tab; PP_PRAGMA "x=y" -> "#pragma x y" add #(x y...) -> "#x y..." for recursive directive evaluation 02/12/87 #pragma [pass:] [no]option [arg ...] #pragma pp:[no]directive [pass:] #pragma pp:id 02/11/87 distribute post-token switch in pplex() to individual cases (~5%) 02/09/87 clarify invalid numeric token gobble add VARQUOTE & PP_VARQUOTE for `X...X vs. '...' & "..." constants 02/06/87 change STRICT to CONFORMING; add PP_CONFORMING 02/06/87 change PPBUILTIN to #() 02/05/87 clarify /*...*/ concatenation for (state&COMPATIBILITY) add convertcc() to convert new char const to old style rework # op to work with convertcc() 02/04/87 add = obsolete operators for (state&COMPATIBILITY) 02/02/87 fix expand() to save and restore (state&DISABLE) 12/17/86 first code