diff options
author | Manoj Srivastava <srivasta@debian.org> | 2003-12-01 17:11:15 +0000 |
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committer | Manoj Srivastava <srivasta@debian.org> | 2003-12-01 17:11:15 +0000 |
commit | 371472d9fb6a936149b105a6563a0550d35bdf1a (patch) | |
tree | 6d23751e44a7dddf4e29918551f1ea0513352622 /mcon/U/cpp_stuff.U |
Initial import of upstream branch
Initial import of upstream branch
git-archimport-id: srivasta@debian.org--2003-primary/dist--upstream--3.70--base-0
Diffstat (limited to 'mcon/U/cpp_stuff.U')
-rw-r--r-- | mcon/U/cpp_stuff.U | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/mcon/U/cpp_stuff.U b/mcon/U/cpp_stuff.U new file mode 100644 index 0000000..67b16c6 --- /dev/null +++ b/mcon/U/cpp_stuff.U @@ -0,0 +1,118 @@ +?RCS: $Id: cpp_stuff.U,v 3.0.1.2 1997/02/28 15:30:48 ram Exp $ +?RCS: +?RCS: Copyright (c) 1991-1993, Raphael Manfredi +?RCS: +?RCS: You may redistribute only under the terms of the Artistic Licence, +?RCS: as specified in the README file that comes with the distribution. +?RCS: You may reuse parts of this distribution only within the terms of +?RCS: that same Artistic Licence; a copy of which may be found at the root +?RCS: of the source tree for dist 3.0. +?RCS: +?RCS: $Log: cpp_stuff.U,v $ +?RCS: Revision 3.0.1.2 1997/02/28 15:30:48 ram +?RCS: patch61: added cute quoting trick for wild stringify support +?RCS: +?RCS: Revision 3.0.1.1 1994/10/29 16:08:24 ram +?RCS: patch36: now uses cppstdin instead of plain cpp for consistency (ADO) +?RCS: patch36: remove temporary files when done +?RCS: +?RCS: Revision 3.0 1993/08/18 12:05:36 ram +?RCS: Baseline for dist 3.0 netwide release. +?RCS: +?MAKE:cpp_stuff: cat contains cppstdin cppflags cppminus rm +?MAKE: -pick add $@ %< +?S:cpp_stuff: +?S: This variable contains an identification of the catenation mechanism +?S: used by the C preprocessor. +?S:. +?C:CAT2: +?C: This macro catenates 2 tokens together. +?C:. +?C:CAT3: +?C: This macro catenates 3 tokens together. +?C:. +?C:CAT4: +?C: This macro catenates 4 tokens together. +?C:. +?C:CAT5: +?C: This macro catenates 5 tokens together. +?C:. +?C:STRINGIFY: +?C: This macro surrounds its token with double quotes. +?C:. +?C:SCAT2: +?C: This macro catenates 2 tokens together and stringifies the result. +?C:. +?C:SCAT3: +?C: This macro catenates 3 tokens together and stringifies the result. +?C:. +?C:SCAT4: +?C: This macro catenates 4 tokens together and stringifies the result. +?C:. +?C:SCAT5: +?C: This macro catenates 5 tokens together and stringifies the result. +?C:. +?H:?%<:#if $cpp_stuff == 1 +?H:?CAT2:#define CAT2(a,b)a/**/b +?H:?CAT3:#define CAT3(a,b,c)a/**/b/**/c +?H:?CAT4:#define CAT4(a,b,c,d)a/**/b/**/c/**/d +?H:?CAT5:#define CAT5(a,b,c,d,e)a/**/b/**/c/**/d/**/e +?H:?STRINGIFY:#define STRINGIFY(a)"a" +?H:?%<:#define SQuoTe(a)"a +?H:?%<:#define EQuoTe(a)a" +?H:?SCAT2:#define SCAT2(a,b)EQuoTe(SQuoTe(a)b) +?H:?SCAT3:#define SCAT3(a,b,c)EQuoTe(SQuoTe(a)b/**/c) +?H:?SCAT4:#define SCAT4(a,b,c,d)EQuoTe(SQuoTe(a)b/**/c/**/d) +?H:?SCAT5:#define SCAT5(a,b,c,d,e)EQuoTe(SQuoTe(a)b/**/c/**/d/**/e) +?H:?%<:#endif +?H:?%<:#if $cpp_stuff == 42 +?H:?CAT2:#define CAT2(a,b)a ## b +?H:?CAT3:#define CAT3(a,b,c)a ## b ## c +?H:?CAT4:#define CAT4(a,b,c,d)a ## b ## c ## d +?H:?CAT5:#define CAT5(a,b,c,d,e)a ## b ## c ## d ## e +?H:?%<:#define StGiFy(a)# a +?H:?STRINGIFY:#define STRINGIFY(a)StGiFy(a) +?H:?SCAT2:#define SCAT2(a,b)StGiFy(a) StGiFy(b) +?H:?SCAT3:#define SCAT3(a,b,c)StGiFy(a) StGiFy(b) StGiFy(c) +?H:?SCAT4:#define SCAT4(a,b,c,d)StGiFy(a) StGiFy(b) StGiFy(c) StGiFy(d) +?H:?SCAT5:#define SCAT5(a,b,c,d,e)StGiFy(a) StGiFy(b) StGiFy(c) StGiFy(d) StGiFy(e) +?H:?%<:#endif +?H:?%<:#if $cpp_stuff != 1 && $cpp_stuff != 42 +?H:?%<:#include "Bletch: How does this C preprocessor catenate tokens?" +?H:?%<:#endif +?H:. +?W:%<:CAT2 CAT3 CAT4 CAT5 STRINGIFY SCAT2 SCAT3 SCAT4 SCAT5 +?LINT:known StGiFy EQuoTe SQuoTe +: how do we catenate cpp tokens here? +echo " " +echo "Checking to see how your cpp does stuff like catenate tokens..." >&4 +$cat >cpp_stuff.c <<'EOCP' +#define RCAT(a,b)a/**/b +#define ACAT(a,b)a ## b +RCAT(Rei,ser) +ACAT(Cir,cus) +EOCP +$cppstdin $cppflags $cppminus <cpp_stuff.c >cpp_stuff.out 2>&1 +if $contains 'Circus' cpp_stuff.out >/dev/null 2>&1; then + echo "Oh! Smells like ANSI's been here." + echo "We can catify or stringify, separately or together!" + cpp_stuff=42 +elif $contains 'Reiser' cpp_stuff.out >/dev/null 2>&1; then + $cat <<EOM +Ah, yes! The good old days! +However, in the good old days we don't know how to stringify and +catify at the same time... +Unless we have a cute trick... which I have! +EOM + cpp_stuff=1 +else + $cat >&4 <<EOM +Hmm, I don't seem to be able to catenate tokens with your cpp. You're going +to have to edit the values of CAT[2-5] and SCAT[2-5] in config.h... +EOM +?X: It would be nice to have configure remind us at the end that some manual +?X: intervention is needed -- FIXME + cpp_stuff="/* Help! How do we handle cpp_stuff? */*/" +fi +$rm -f cpp_stuff.* + |