fronzen-string-literal pragma

* compile.c (iseq_compile_each): override compile option by option
  given by pragma.
* iseq.c (rb_iseq_make_compile_option): extract a function to
  overwrite rb_compile_option_t.
* parse.y (parser_set_compile_option_flag): introduce pragma to
  override compile options.
* parse.y (magic_comments): new pragma "fronzen-string-literal".
  [Feature #8976]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51953 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/iseq.h b/iseq.h
index 9d544fdbe7..13d2f2630c 100644
--- a/iseq.h
+++ b/iseq.h
@@ -173,6 +173,7 @@ enum defined_type {
 };
 
 VALUE rb_iseq_defined_string(enum defined_type type);
+void rb_iseq_make_compile_option(struct rb_compile_option_struct *option, VALUE opt);
 
 RUBY_SYMBOL_EXPORT_END