diff options
| author | Chad Loder <cloder@cvs.openbsd.org> | 2005-11-29 03:40:57 +0000 |
|---|---|---|
| committer | Chad Loder <cloder@cvs.openbsd.org> | 2005-11-29 03:40:57 +0000 |
| commit | cfc56fc6306abf453873cafd56a0a18548e2071b (patch) | |
| tree | 07fd2659fc14009c898f1231c7f5cfc3ee144eb6 /usr.bin | |
| parent | f94dbdd04e11da76f1a4c1fab15919c3b2a2807d (diff) | |
Make lint grok __func__, which in C99 is a predifined identifier that
holds the name of the current function. Makes thousands of lint warnings
vanish and since lint can now fully parse compound expressions involving
__func__, we see some new interesting warnings instead.
Diffstat (limited to 'usr.bin')
| -rw-r--r-- | usr.bin/xlint/lint1/func.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/usr.bin/xlint/lint1/func.c b/usr.bin/xlint/lint1/func.c index 86ecb782a5b..8379dca5f9b 100644 --- a/usr.bin/xlint/lint1/func.c +++ b/usr.bin/xlint/lint1/func.c @@ -1,4 +1,4 @@ -/* $OpenBSD: func.c,v 1.6 2005/11/19 03:35:27 cloder Exp $ */ +/* $OpenBSD: func.c,v 1.7 2005/11/29 03:40:56 cloder Exp $ */ /* $NetBSD: func.c,v 1.7 1995/10/02 17:31:40 jpo Exp $ */ /* @@ -33,7 +33,7 @@ */ #ifndef lint -static char rcsid[] = "$OpenBSD: func.c,v 1.6 2005/11/19 03:35:27 cloder Exp $"; +static char rcsid[] = "$OpenBSD: func.c,v 1.7 2005/11/29 03:40:56 cloder Exp $"; #endif #include <stdlib.h> @@ -218,6 +218,26 @@ funcdef(sym_t *fsym) } /* + * __func__ is a "predefined identifier" in c99, which means it is a + * block-scope variable supplying the name of the enclosing function. + * It is defined as: + * + * static const char __func__[] = "function-name"; + * + */ + sym = getblk(sizeof (sym_t)); + sym->s_name = "__func__"; + sym->s_kind = FVFT; + sym->s_scl = STATIC; + sym->s_type = incref(gettyp(CHAR), ARRAY); + sym->s_blklev = 1; + sym->s_def = DEF; + sym->s_type->t_dim = strlen(fsym->s_name) + 1; + sym->s_type->t_subt = duptyp(gettyp(CHAR)); + sym->s_type->t_subt->t_const = 1; + inssym(1, sym); + + /* * In osfunc() we did not know whether it is an old style function * definition or only an old style declaration, if there are no * arguments inside the argument list ("f()"). |