main: rework preprocessor invocation

[cparser] / type.c

diff --git a/type.c b/type.c
index f009f36..c904c7c 100644 (file)
--- a/type.c
+++ b/type.c
@@ -33,6 +33,7 @@
 #include "warning.h"
 #include "diagnostic.h"
 #include "printer.h"
+#include "separator_t.h"
 
 /** The default calling convention. */
 cc_kind_t default_calling_convention = CC_CDECL;
@@ -373,15 +374,11 @@ static void print_function_type_post(const function_type_t *type,
                                      const scope_t *parameters)
 {
        print_char('(');
-       bool first = true;
+       separator_t sep = { "", ", " };
        if (parameters == NULL) {
                function_parameter_t *parameter = type->parameters;
                for( ; parameter != NULL; parameter = parameter->next) {
-                       if (first) {
-                               first = false;
-                       } else {
-                               print_string(", ");
-                       }
+                       print_string(sep_next(&sep));
                        print_type(parameter->type);
                }
        } else {
@@ -390,11 +387,7 @@ static void print_function_type_post(const function_type_t *type,
                        if (parameter->kind != ENTITY_PARAMETER)
                                continue;
 
-                       if (first) {
-                               first = false;
-                       } else {
-                               print_string(", ");
-                       }
+                       print_string(sep_next(&sep));
                        const type_t *const param_type = parameter->declaration.type;
                        if (param_type == NULL) {
                                print_string(parameter->base.symbol->string);
@@ -404,14 +397,10 @@ static void print_function_type_post(const function_type_t *type,
                }
        }
        if (type->variadic) {
-               if (first) {
-                       first = false;
-               } else {
-                       print_string(", ");
-               }
+               print_string(sep_next(&sep));
                print_string("...");
        }
-       if (first && !type->unspecified_parameters) {
+       if (sep_at_first(&sep) && !type->unspecified_parameters) {
                print_string("void");
        }
        print_char(')');