Extract end_with_newline_p

nobu · Dec 1, 2023 · 573ee84 · 573ee84
1 parent baf2508
commit 573ee84
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/parse.y b/parse.y
@@ -234,6 +234,12 @@ parse_isxdigit(int c)
 #undef ISXDIGIT
 #define ISXDIGIT(c) parse_isxdigit(c)
 
+static inline bool
+end_with_newline_p(VALUE str)
+{
+    return RSTRING_LEN(str) > 0 && RSTRING_END(str)[-1] == '\n';
+}
+
 #include "parser_st.h"
 
 #undef STRCASECMP
@@ -15965,7 +15971,7 @@ rb_parser_printf(struct parser_params *p, const char *fmt, ...)
     va_start(ap, fmt);
     rb_str_vcatf(mesg, fmt, ap);
     va_end(ap);
-    if (RSTRING_END(mesg)[-1] == '\n') {
+    if (end_with_newline_p(mesg)) {
         rb_io_write(p->debug_output, mesg);
         p->debug_buffer = Qnil;
     }