made error output for missing labels gcc like

[cparser] / main.c

diff --git a/main.c b/main.c
index 15c6784..2790e01 100644 (file)
--- a/main.c
+++ b/main.c
@@ -384,7 +384,7 @@ int main(int argc, char **argv)
                } else if(strcmp(arg, "--version") == 0) {
                        firm_version_t ver;
                        firm_get_version(&ver);
-                       printf("cparser (%d.%d %s) using libFirm (%d.%d", 0, 1, cparser_REVISION, ver.major, ver.minor);
+                       printf("cparser (%d.%d %s) using libFirm (%u.%u", 0, 1, cparser_REVISION, ver.major, ver.minor);
                        if(ver.revision[0] != 0) {
                                putchar(' ');
                                fputs(ver.revision, stdout);
@@ -421,6 +421,8 @@ int main(int argc, char **argv)
                        mode         = CompileDump;
                } else if(strcmp(arg, "-v") == 0) {
                        verbose = 1;
+               } else if(strcmp(arg, "-w") == 0) {
+                       inhibit_all_warnings = true;
                } else if(arg[0] == '-' && arg[1] == 'f') {
                        const char *opt;
                        GET_ARG_AFTER(opt, "-f");
@@ -451,6 +453,16 @@ int main(int argc, char **argv)
                        } else if (res == -1) {
                                help_displayed = true;
                        }
+               } else if(arg[0] == '-' && arg[1] == 'W') {
+                       const char *opt;
+                       GET_ARG_AFTER(opt, "-W");
+                       if (strcmp(opt, "error") == 0) {
+                               warnings_are_errors = true;
+                       } else if (strcmp(opt, "fatal-errors") == 0) {
+                               fatal_errors = true;
+                       } else {
+                               fprintf(stderr, "warning: ignoring gcc option -W%s\n", opt);
+                       }
                } else if(arg[0] == '-' && arg[1] == 'm') {
                        const char *opt;
                        GET_ARG_AFTER(opt, "-m");
@@ -477,7 +489,6 @@ int main(int argc, char **argv)
                        } else if(strcmp(arg, "-pedantic") == 0) {
                                fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg);
                        } else if(arg[1] == 'O' ||
-                                       arg[1] == 'W' ||
                                        arg[1] == 'g' ||
                                        strncmp(arg + 1, "std=", 4) == 0) {
                                fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg);
@@ -495,6 +506,9 @@ int main(int argc, char **argv)
                }
        }
 
+       /* we do the lowering in ast2firm */
+       firm_opt.lower_bitfields = FALSE;
+
        if(help_displayed) {
                return !argument_errors;
        }
@@ -514,7 +528,7 @@ int main(int argc, char **argv)
        init_parser();
        init_ast2firm();
 
-       FILE *out;
+       FILE *out = NULL;
        char  outnamebuf[4096];
        if(outname == NULL) {
                switch(mode) {
@@ -584,11 +598,11 @@ int main(int argc, char **argv)
        pclose(preprocessed_in);
        if(unit == NULL) {
                /* parsing failed because of errors */
-               fprintf(stderr, "%u error(s), %u warnings\n", error_count, warning_count);
+               fprintf(stderr, "%u error(s), %u warning(s)\n", error_count, warning_count);
                return EXIT_FAILURE;
        }
        if (warning_count > 0) {
-               fprintf(stderr, "%u warnings\n", warning_count);
+               fprintf(stderr, "%u warning(s)\n", warning_count);
        }
 
        if(mode == PrintAst) {