2 input-smob.cc -- implement Input smob
4 source file of the GNU LilyPond music typesetter
6 (c) 2000--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
11 #include "input-smob.hh"
13 #include "ly-smobs.icc"
15 static long input_tag;
24 print_smob (SCM s, SCM port, scm_print_state *)
26 String str = "#<location " + unsmob_input (s)->location_str () + ">";
27 scm_puts (str.ch_C (), port);
34 delete unsmob_input (s);
39 We don't use IMPLEMENT_TYPE_P, since the smobification part is
40 implemented separately from the class.
45 return unsmob_input (x) ? SCM_BOOL_T : SCM_BOOL_F ;
49 ly_input_message (SCM sip, SCM msg)
51 Input *ip = unsmob_input(sip);
53 SCM_ASSERT_TYPE(ip, sip, SCM_ARG1, __FUNCTION__, "input location");
54 SCM_ASSERT_TYPE(gh_string_p(msg), msg, SCM_ARG2, __FUNCTION__, "string");
56 String m = ly_scm2string (msg);
66 input_tag = scm_make_smob_type ("input", 0);
67 scm_set_smob_mark (input_tag, mark_smob);
68 scm_set_smob_free (input_tag, free_smob);
69 scm_set_smob_print (input_tag, print_smob);
70 scm_set_smob_equalp (input_tag, 0);
73 scm_c_define_gsubr ("ly-input-location?", 1, 0, 0,
74 (Scheme_function_unknown)ly_input_p);
75 scm_c_define_gsubr ("ly-input-message", 2, 0, 0,
76 (Scheme_function_unknown)ly_input_message);
82 Input * nip = new Input (ip);
86 SCM_SETCAR (z, (SCM)input_tag);
87 SCM_SETCDR (z, (SCM)nip);
97 if (SCM_CAR (s) == (SCM)input_tag) // ugh.
98 return (Input*) SCM_CDR (s);
104 ADD_SCM_INIT_FUNC (input, start_input_smobs);
107 Input dummy_input_global;