diff options
author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-01-10 06:01:32 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-01-10 06:01:32 +0000 |
commit | 33a75edd3cf6062796043ae75747b4b191db3789 (patch) | |
tree | ec79ebc0c2e3b8fe14a7b410702211464fa6c08e /proc.c | |
parent | 671ef4e9e3d8cb3c397547934902a6a4fd312816 (diff) |
proc.c: check if callable
* proc.c: check the argument at composition, expect a Proc,
Method, or callable object. [ruby-core:90591] [Bug #15428]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66769 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'proc.c')
-rw-r--r-- | proc.c | 37 |
1 files changed, 33 insertions, 4 deletions
@@ -3063,6 +3063,21 @@ compose(VALUE dummy, VALUE args, int argc, VALUE *argv, VALUE passed_proc) return rb_funcallv(f, idCall, 1, &fargs); } +static VALUE +to_callable(VALUE f) +{ + VALUE mesg; + + if (rb_obj_is_proc(f)) return f; + if (rb_obj_is_method(f)) return f; + if (rb_obj_respond_to(f, idCall, TRUE)) return f; + mesg = rb_fstring_lit("callable object is expected"); + rb_exc_raise(rb_exc_new_str(rb_eTypeError, mesg)); +} + +static VALUE rb_proc_compose_to_left(VALUE self, VALUE g); +static VALUE rb_proc_compose_to_right(VALUE self, VALUE g); + /* * call-seq: * prc << g -> a_proc @@ -3078,6 +3093,12 @@ compose(VALUE dummy, VALUE args, int argc, VALUE *argv, VALUE passed_proc) static VALUE proc_compose_to_left(VALUE self, VALUE g) { + return rb_proc_compose_to_left(self, to_callable(g)); +} + +static VALUE +rb_proc_compose_to_left(VALUE self, VALUE g) +{ VALUE proc, args, procs[2]; rb_proc_t *procp; int is_lambda; @@ -3111,6 +3132,12 @@ proc_compose_to_left(VALUE self, VALUE g) static VALUE proc_compose_to_right(VALUE self, VALUE g) { + return rb_proc_compose_to_right(self, to_callable(g)); +} + +static VALUE +rb_proc_compose_to_right(VALUE self, VALUE g) +{ VALUE proc, args, procs[2]; rb_proc_t *procp; int is_lambda; @@ -3148,8 +3175,9 @@ proc_compose_to_right(VALUE self, VALUE g) static VALUE rb_method_compose_to_left(VALUE self, VALUE g) { - VALUE proc = method_to_proc(self); - return proc_compose_to_left(proc, g); + g = to_callable(g); + self = method_to_proc(self); + return proc_compose_to_left(self, g); } /* @@ -3171,8 +3199,9 @@ rb_method_compose_to_left(VALUE self, VALUE g) static VALUE rb_method_compose_to_right(VALUE self, VALUE g) { - VALUE proc = method_to_proc(self); - return proc_compose_to_right(proc, g); + g = to_callable(g); + self = method_to_proc(self); + return proc_compose_to_right(self, g); } /* |