Add -Wempty-statement, which warns about empty statements, i.e. lone ';'

[cparser] / warning.c

diff --git a/warning.c b/warning.c
index 98a4cf5..8f5bfc8 100644 (file)
--- a/warning.c
+++ b/warning.c
@@ -18,6 +18,7 @@ void set_warning_opt(const char *const opt)
 #define SET(y)    warning.y = state;
 #define OPT(x, y) OPTX(x) SET(y)
        OPT("char-subscripts",               char_subscripts)
+       OPT("empty-statement",               empty_statement)
        OPT("error",                         s_are_errors)
        OPT("fatal-errors",                  fatal_errors)
        OPT("format",                        check_format)
@@ -28,8 +29,11 @@ void set_warning_opt(const char *const opt)
        OPT("implicit-function-declaration", implicit_function_declaration)
        OPT("implicit-int",                  implicit_int)
        OPT("missing-declarations",          missing_declarations)
+       OPT("missing-prototypes",            missing_prototypes)
        OPT("redundant-decls",               redundant_decls)
        OPT("strict-prototypes",             strict_prototypes)
+       OPT("switch-default",                switch_default)
+       OPT("unknown-pragmas",               unknown_pragmas)
 #if 0
        OPTX("unused") {
                SET(unused_function)
@@ -39,7 +43,10 @@ void set_warning_opt(const char *const opt)
                SET(unused_value)
        }
 #endif
+       OPT("unused-value",                  unused_value)
 #undef OPT
+#undef SET
+#undef OPT_X
        else {
                fprintf(stderr, "warning: ignoring unknown option -W%s\n", opt);
        }
@@ -48,9 +55,16 @@ void set_warning_opt(const char *const opt)
 warning_t warning = {
        .char_subscripts               = true,
        .check_format                  = true,
+       .empty_statement               = true,
+       .fatal_errors                  = false,
        .implicit_function_declaration = true,
        .implicit_int                  = true,
        .missing_declarations          = true,
+       .missing_prototypes            = true,
+       .redundant_decls               = true,
+       .s_are_errors                  = false,
        .strict_prototypes             = true,
-       .redundant_decls               = true
+       .switch_default                = false,
+       .unknown_pragmas               = true,
+       .unused_value                  = true
 };