On Wed, Jul 29, 2015 at 08:26:41PM -0400, Tony Camuso wrote:
> Allows building sparse to avert reporting semantic problems, e.g.
> using sparse as a tokenizer to create a graph of KABI symbols and
> their dependencies.
>
> Signed-off-by: Tony Camuso <tcamuso@xxxxxxxxxx>
This doesn't seem like something that should be determined at compile
time. Ideally, this should be determined at runtime.
> lib.c | 21 +++++++++++++++++++++
> parse.c | 12 ++++++++++++
> 2 files changed, 33 insertions(+)
>
> diff --git a/lib.c b/lib.c
> index 8dc5bcf..cb10bce 100644
> --- a/lib.c
> +++ b/lib.c
> @@ -48,6 +48,13 @@
> int verbose, optimize, optimize_size, preprocessing;
> int die_if_error = 0;
>
> +#ifdef NOWARN
> +#pragma message "Built with NOWARN"
> +#endif
> +#ifdef NOERR
> +#pragma message "Built with NOERR"
> +#endif
> +
> #ifndef __GNUC__
> # define __GNUC__ 2
> # define __GNUC_MINOR__ 95
> @@ -103,6 +110,9 @@ unsigned int hexval(unsigned int c)
>
> static void do_warn(const char *type, struct position pos, const char * fmt, va_list args)
> {
> +#ifdef NOWARN
> + return;
> +#else
> static char buffer[512];
> const char *name;
>
> @@ -111,9 +121,12 @@ static void do_warn(const char *type, struct position pos, const char * fmt, va_
>
> fprintf(stderr, "%s:%d:%d: %s%s\n",
> name, pos.line, pos.pos, type, buffer);
> +#endif
> }
>
> +#ifndef NOWARN
> static int max_warnings = 100;
> +#endif
> static int show_info = 1;
>
> void info(struct position pos, const char * fmt, ...)
> @@ -129,6 +142,9 @@ void info(struct position pos, const char * fmt, ...)
>
> static void do_error(struct position pos, const char * fmt, va_list args)
> {
> +#ifdef NOERR
> + return;
> +#else
> static int errors = 0;
> die_if_error = 1;
> show_info = 1;
> @@ -145,10 +161,14 @@ static void do_error(struct position pos, const char * fmt, va_list args)
>
> do_warn("error: ", pos, fmt, args);
> errors++;
> +#endif
> }
>
> void warning(struct position pos, const char * fmt, ...)
> {
> +#ifdef NOWARN
> + return;
> +#else
> va_list args;
>
> if (Wsparse_error) {
> @@ -171,6 +191,7 @@ void warning(struct position pos, const char * fmt, ...)
> va_start(args, fmt);
> do_warn("warning: ", pos, fmt, args);
> va_end(args);
> +#endif
> }
>
> void sparse_error(struct position pos, const char * fmt, ...)
> diff --git a/parse.c b/parse.c
> index 02275d8..f773fe8 100644
> --- a/parse.c
> +++ b/parse.c
> @@ -44,6 +44,13 @@
> #include "expression.h"
> #include "target.h"
>
> +#ifdef NOWARN
> +#pragma message "Built with NOWARN"
> +#endif
> +#ifdef NOERR
> +#pragma message "Built with NOERR"
> +#endif
> +
> static struct symbol_list **function_symbol_list;
> struct symbol_list *function_computed_target_list;
> struct statement_list *function_computed_goto_list;
> @@ -2746,8 +2753,13 @@ struct token *external_declaration(struct token *token, struct symbol_list **lis
>
> /* Just a type declaration? */
> if (!ident) {
> +
> +#if defined NOWARN || defined NOERR
> + return token->next;
> +#else
> warning(token->pos, "missing identifier in declaration");
> return expect(token, ';', "at the end of type declaration");
> +#endif
> }
>
> /* type define declaration? */
> --
> 2.4.3
>
> --
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