Resolve some warnings.

[cparser] / main.c

diff --git a/main.c b/main.c
index 2497541..a103a60 100644 (file)
--- a/main.c
+++ b/main.c
@@ -114,6 +114,9 @@ bool strict_mode = false;
 /** use builtins for some libc functions */
 bool use_builtins = false;
 
+/** we have extern function with const attribute. */
+bool have_const_functions = false;
+
 /* to switch on printing of implicit casts */
 extern bool print_implicit_casts;
 
@@ -567,11 +570,11 @@ int main(int argc, char **argv)
        default:
        case 4:
                set_option("strict-aliasing");
+               /* use_builtins = true; */
                /* fallthrough */
        case 3:
                set_option("cond-eval");
                set_option("if-conv");
-               use_builtins = true;
                /* fallthrough */
        case 2:
                set_option("inline");
@@ -677,6 +680,8 @@ int main(int argc, char **argv)
 
                                        if (streq(opt, "dollars-in-identifiers")) {
                                                allow_dollar_in_symbol = truth_value;
+                                       } if (streq(opt, "builtins")) {
+                                               use_builtins = truth_value;
                                        } else if (streq(opt, "short-wchar")) {
                                                opt_short_wchar_t = truth_value;
                                        } else if (streq(opt, "syntax-only")) {
@@ -1063,12 +1068,6 @@ int main(int argc, char **argv)
                /* preprocess and compile */
                if (filetype == FILETYPE_PREPROCESSED_C) {
                        translation_unit_t *const unit = do_parsing(in, filename);
-                       if (in == preprocessed_in) {
-                               int pp_result = pclose(preprocessed_in);
-                               if (pp_result != EXIT_SUCCESS) {
-                                       exit(EXIT_FAILURE);
-                               }
-                       }
 
                        /* prints the AST even if errors occurred */
                        if (mode == PrintAst) {
@@ -1087,6 +1086,13 @@ int main(int argc, char **argv)
                                fprintf(stderr, "%u warning(s)\n", warning_count);
                        }
 
+                       if (in == preprocessed_in) {
+                               int pp_result = pclose(preprocessed_in);
+                               if (pp_result != EXIT_SUCCESS) {
+                                       exit(EXIT_FAILURE);
+                               }
+                       }
+
                        if(mode == BenchmarkParser) {
                                return result;
                        } else if(mode == PrintFluffy) {
@@ -1129,7 +1135,7 @@ int main(int argc, char **argv)
                        }
 
                        gen_firm_finish(asm_out, filename, /*c_mode=*/1,
-                                       /*firm_const_exists=*/0);
+                                       have_const_functions);
                        if (asm_out != out) {
                                fclose(asm_out);
                        }