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| author | Neil Booth <neilb@earthling.net> | 2000-07-13 10:12:08 +0000 |
|---|---|---|
| committer | Neil Booth <neil@gcc.gnu.org> | 2000-07-13 10:12:08 +0000 |
| commit | 530d0ba53bd732d20f274308da997fdb12697602 (patch) | |
| tree | 6423ad7e017ab296f5b561a41b556c8d5df89411 /gcc/c-decl.c | |
| parent | 1920d8c7ae57b6874b91502bc8f3ba920a85ec50 (diff) | |
| download | gcc-530d0ba53bd732d20f274308da997fdb12697602.zip gcc-530d0ba53bd732d20f274308da997fdb12697602.tar.gz gcc-530d0ba53bd732d20f274308da997fdb12697602.tar.bz2 | |
c-common.h (flag_digraphs): New.
* c-common.h (flag_digraphs): New.
* c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
* c-lex.c (yylex): Use flag_digraphs to decide whether to
honour digraphs.
* testsuite/gcc.dg/cpp/digraph1.c,
testsuite/gcc.dg/cpp/digraph2.c,
testsuite/gcc.dg/cpp/digraphs.c: New tests.
From-SVN: r35010
Diffstat (limited to 'gcc/c-decl.c')
| -rw-r--r-- | gcc/c-decl.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c index f212e18..b759fd5 100644 --- a/gcc/c-decl.c +++ b/gcc/c-decl.c @@ -330,6 +330,10 @@ int flag_traditional; int flag_isoc99 = 0; +/* Nonzero means accept digraphs. */ + +int flag_digraphs = 1; + /* Nonzero means that we have builtin functions, and main is an int */ int flag_hosted = 1; @@ -491,6 +495,7 @@ c_decode_option (argc, argv) { flag_traditional = 1; flag_writable_strings = 1; + flag_digraphs = 0; } else if (!strcmp (p, "-fallow-single-precision")) flag_allow_single_precision = 1; @@ -511,6 +516,7 @@ c_decode_option (argc, argv) { flag_traditional = 0; flag_writable_strings = 0; + flag_digraphs = 1; } else if (!strncmp (p, "-std=", 5)) { @@ -530,6 +536,8 @@ c_decode_option (argc, argv) || !strcmp (argstart, "c89")) { iso_1990: + flag_digraphs = 0; + iso_1990_digraphs: flag_traditional = 0; flag_writable_strings = 0; flag_no_asm = 1; @@ -538,8 +546,9 @@ c_decode_option (argc, argv) } else if (!strcmp (argstart, "iso9899:199409")) { - /* ??? The changes since ISO C 1990 are not supported. */ - goto iso_1990; + flag_digraphs = 1; + /* ??? The other changes since ISO C 1990 are not supported. */ + goto iso_1990_digraphs; } else if (!strcmp (argstart, "iso9899:199x") || !strcmp (argstart, "iso9899:1999") @@ -551,6 +560,7 @@ c_decode_option (argc, argv) flag_no_asm = 1; flag_no_nonansi_builtin = 1; flag_isoc99 = 1; + flag_digraphs = 1; } else if (!strcmp (argstart, "gnu89")) { @@ -559,6 +569,7 @@ c_decode_option (argc, argv) flag_no_asm = 0; flag_no_nonansi_builtin = 0; flag_isoc99 = 0; + flag_digraphs = 1; } else if (!strcmp (argstart, "gnu9x") || !strcmp (argstart, "gnu99")) { @@ -567,6 +578,7 @@ c_decode_option (argc, argv) flag_no_asm = 0; flag_no_nonansi_builtin = 0; flag_isoc99 = 1; + flag_digraphs = 1; } else error ("unknown C standard `%s'", argstart); |