warn if missing return
[cparser] / warning.c
index c149d94..c93ed20 100644 (file)
--- a/warning.c
+++ b/warning.c
@@ -1,10 +1,31 @@
+/*
+ * This file is part of cparser.
+ * Copyright (C) 2007-2008 Matthias Braun <matze@braunis.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
 #include <stdio.h>
 #include <string.h>
 #include "warning.h"
 
 warning_t warning = {
+       .attribute                     = true,
        .char_subscripts               = true,
-       .check_format                  = true,
+       .format                        = true,
+       .nonnull                       = true,
        .empty_statement               = false,
        .fatal_errors                  = false,
        .float_equal                   = false,
@@ -13,8 +34,11 @@ warning_t warning = {
        .main                          = true,
        .missing_declarations          = false,
        .missing_prototypes            = false,
+       .multichar                     = true,
        .redundant_decls               = true,
        .s_are_errors                  = false,
+       .shadow                        = false,
+       .sign_compare                  = false,
        .strict_prototypes             = true,
        .switch_default                = false,
        .unknown_pragmas               = true,
@@ -42,15 +66,19 @@ void set_warning_opt(const char *const opt)
 #define SET(y)    warning.y = state;
 #define OPT(x, y) OPTX(x) SET(y)
        OPTX("all") {
+               /* Note: this switched on a lot of more warnings than gcc's -Wall */
+               SET(attribute)
                SET(char_subscripts)
-               SET(check_format)
+               SET(format)
+               SET(nonnull)
                SET(empty_statement)
                SET(implicit_function_declaration)
                SET(implicit_int)
                SET(main)
                SET(redundant_decls)
+               SET(shadow)
+               SET(sign_compare)
                SET(strict_prototypes)
-               SET(switch_default)
                SET(unknown_pragmas)
                SET(unused_function)
                SET(unused_label)
@@ -58,6 +86,7 @@ void set_warning_opt(const char *const opt)
                SET(unused_value)
                SET(unused_variable)
        }
+       OPT("attribute",                     attribute)
        OPT("char-subscripts",               char_subscripts)
        OPT("empty-statement",               empty_statement)
        OPT("error",                         s_are_errors)
@@ -73,7 +102,11 @@ void set_warning_opt(const char *const opt)
        }
        OPT("fatal-errors",                  fatal_errors)
        OPT("float-equal",                   float_equal)
-       OPT("format",                        check_format)
+       OPTX("format") {
+               SET(format)
+               SET(nonnull)
+       }
+       OPT("nonnull",                       nonnull)
        OPTX("implicit") {
                SET(implicit_function_declaration)
                SET(implicit_int)
@@ -83,14 +116,13 @@ void set_warning_opt(const char *const opt)
        OPT("main",                          main)
        OPT("missing-declarations",          missing_declarations)
        OPT("missing-prototypes",            missing_prototypes)
+       OPT("multichar",                     multichar)
        OPT("redundant-decls",               redundant_decls)
+       OPT("shadow",                        shadow)
+       OPT("sign-compare",                  sign_compare)
        OPT("strict-prototypes",             strict_prototypes)
        OPT("switch-default",                switch_default)
        OPT("unknown-pragmas",               unknown_pragmas)
-       OPT("unused-function",               unused_function)
-       OPT("unused-label",                  unused_label)
-       OPT("unused-parameter",              unused_parameter)
-       OPT("unused-variable",               unused_variable)
        OPTX("unused") {
                SET(unused_function)
                SET(unused_label)