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-<char><suffix> 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 <backslash><newline> 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 -> `=<op>' 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 #((<expr>)) expression evaluation on (x)

add #(<sym>=<expr>) 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 `# <line> "<file>"' 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:]<new-directive>

#pragma pp:id <identifier-character>

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 #(<id>)

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 =<op> obsolete operators for (state&COMPATIBILITY)

02/02/87 fix expand() to save and restore (state&DISABLE)

12/17/86 first code