From f53bd45d6f65e75a53538d31f8bbb90fbe373f1a Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 10 Nov 2018 11:43:02 +0000
Subject: [PATCH] AST.of -e script

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65654 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ast.c  | 5 +++++
 ruby.c | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/ast.c b/ast.c
index 7a037d173b..7e7ec9e38f 100644
--- a/ast.c
+++ b/ast.c
@@ -184,6 +184,8 @@ node_find(VALUE self, const int node_id)
     return Qnil;
 }
 
+extern VALUE rb_e_script;
+
 static VALUE
 script_lines(VALUE path)
 {
@@ -223,6 +225,9 @@ rb_ast_s_of(VALUE module, VALUE body)
     if (!NIL_P(lines = script_lines(path))) {
         node = rb_ast_parse_array(lines);
     }
+    else if (RSTRING_LEN(path) == 2 && memcmp(RSTRING_PTR(path), "-e", 2) == 0) {
+        node = rb_ast_parse_str(rb_e_script);
+    }
     else {
         node = rb_ast_parse_file(path);
     }
diff --git a/ruby.c b/ruby.c
index a791371a3a..ec2282c5f9 100644
--- a/ruby.c
+++ b/ruby.c
@@ -1429,6 +1429,7 @@ opt_enc_index(VALUE enc_name)
 #define rb_progname      (GET_VM()->progname)
 #define rb_orig_progname (GET_VM()->orig_progname)
 VALUE rb_argv0;
+VALUE rb_e_script;
 
 static VALUE
 false_value(void)
@@ -1856,6 +1857,10 @@ process_options(int argc, char **argv, ruby_cmdline_options_t *opt)
     rb_define_readonly_boolean("$-l", opt->do_line);
     rb_define_readonly_boolean("$-a", opt->do_split);
 
+    if ((rb_e_script = opt->e_script) != 0) {
+        rb_gc_register_mark_object(opt->e_script);
+    }
+
     rb_set_safe_level(opt->safe_level);
 
     return (VALUE)iseq;