From 7060aeedbd69c0888379cbf91f0bb2208bc59308 Mon Sep 17 00:00:00 2001 From: Nobuyoshi Nakada Date: Mon, 2 Nov 2020 19:48:17 +0900 Subject: shareable_constant_value: is effective only in comment-only line --- parse.y | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'parse.y') diff --git a/parse.y b/parse.y index 84a6efd9f6..fa2139b721 100644 --- a/parse.y +++ b/parse.y @@ -7999,6 +7999,13 @@ parser_set_compile_option_flag(struct parser_params *p, const char *name, const static void parser_set_shareable_constant_value(struct parser_params *p, const char *name, const char *val) { + for (const char *s = p->lex.pbeg, *e = p->lex.pcur; s < e; ++s) { + if (*s == ' ' || *s == '\t') continue; + if (*s == '#') break; + rb_warning1("`%s' is ignored unless in comment-only line", WARN_S(name)); + return; + } + int b = parser_get_bool(p, name, val); if (b >= 0) p->ctxt.shareable_constant_value = b; } -- cgit v1.2.3