Use before_call_function_lines instead of go_function_lines if args generator

Author: sue445

_tools/ruby_h_to_go/lib/ruby_h_to_go/function_definition.rb

@@ -75,9 +75,9 @@ def generate_go_content
               clean_var_name = "clean"
             end
 
-            go_function_lines << "#{chars_var_name}, #{clean_var_name} := string2Char(#{c_arg.go_name})"
-            go_function_lines << "defer #{clean_var_name}()"
-            go_function_lines << ""
+            before_call_function_lines << "#{chars_var_name}, #{clean_var_name} := string2Char(#{c_arg.go_name})"
+            before_call_function_lines << "defer #{clean_var_name}()"
+            before_call_function_lines << ""
 
             casted_go_args << chars_var_name.to_s
           when "void"
@@ -103,9 +103,9 @@ def generate_go_content
             clean_var_name = "cleanChars"
           end
 
-          go_function_lines << "#{chars_var_name}, #{clean_var_name} := strings2Chars(#{c_arg.go_name})"
-          go_function_lines << "defer #{clean_var_name}()"
-          go_function_lines << ""
+          before_call_function_lines << "#{chars_var_name}, #{clean_var_name} := strings2Chars(#{c_arg.go_name})"
+          before_call_function_lines << "defer #{clean_var_name}()"
+          before_call_function_lines << ""
 
           casted_go_args << chars_var_name
         else

_tools/ruby_h_to_go/spec/ruby_h_to_go/function_definition_spec.rb

@@ -284,10 +284,10 @@
           //
           //	rb_scan_args_set(int kw_flag, int argc, const VALUE *argv,
           func RbScanArgsSet(kw_flag int, argc int, argv *VALUE, n_lead int, n_opt int, n_trail int, f_var Bool, f_hash Bool, f_block Bool, vars []*VALUE, fmt string, varc int) int {
+          var cArgv C.VALUE
           char, clean := string2Char(fmt)
           defer clean()
 
-          var cArgv C.VALUE
           ret := int(C.rb_scan_args_set(C.int(kw_flag), C.int(argc), &cArgv, C.int(n_lead), C.int(n_opt), C.int(n_trail), C._Bool(f_var), C._Bool(f_hash), C._Bool(f_block), toCArray[*VALUE, *C.VALUE](vars), char, C.int(varc)))
           *argv = VALUE(cArgv)
           return ret
@@ -411,10 +411,10 @@
           //
           //	int rb_find_file_ext(VALUE *feature, const char *const *exts)
           func RbFindFileExt(feature *VALUE, exts []string) int {
+          var cFeature C.VALUE
           chars, cleanChars := strings2Chars(exts)
           defer cleanChars()
 
-          var cFeature C.VALUE
           ret := int(C.rb_find_file_ext(&cFeature, chars))
           *feature = VALUE(cFeature)
           return ret