2 input-scheme.cc -- implement Input bindings.
4 source file of the GNU LilyPond music typesetter
6 (c) 2005--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
9 #include "std-string.hh"
10 #include "input-smob.hh"
12 /* We don't use IMPLEMENT_TYPE_P, since the smobification part is
13 implemented separately from the class. */
14 LY_DEFINE (ly_input, "ly:input-location?", 1, 0, 0,
16 "Return #t if @var{x} is an input location.")
18 return unsmob_input (x) ? SCM_BOOL_T : SCM_BOOL_F;
21 LY_DEFINE (ly_input_message, "ly:input-message", 2, 0, 1, (SCM sip, SCM msg, SCM rest),
22 "Print @var{msg} as a GNU compliant error message, pointing to the "
23 "location in @var{sip}. @var{msg} is interpreted similar to @code{format}'s argument\n")
25 Input *ip = unsmob_input (sip);
26 SCM_ASSERT_TYPE (ip, sip, SCM_ARG1, __FUNCTION__, "input location");
27 SCM_ASSERT_TYPE (scm_is_string (msg), msg, SCM_ARG2, __FUNCTION__, "string");
29 msg = scm_simple_format (SCM_BOOL_F, msg, rest);
31 string m = ly_scm2string (msg);
34 return SCM_UNSPECIFIED;
37 LY_DEFINE (ly_input_file_line_column, "ly:input-file-line-char-column", 1, 0, 0, (SCM sip),
38 "Return input location in @var{sip} as (file-name line char column).")
40 Input *ip = unsmob_input (sip);
41 SCM_ASSERT_TYPE (ip, sip, SCM_ARG1, __FUNCTION__, "input location");
44 ip->get_counts (&l, &ch, &col);
45 return scm_list_4 (scm_makfrom0str (ip->file_string ().c_str ()),
51 LY_DEFINE (ly_input_both_locations, "ly:input-both-locations", 1, 0, 0, (SCM sip),
52 "Return input location in @var{sip} as (file-name first-line first-column last-line last-column).")
54 Input *ip = unsmob_input (sip);
55 SCM_ASSERT_TYPE (ip, sip, SCM_ARG1, __FUNCTION__, "input location");
56 return scm_list_5 (scm_makfrom0str (ip->file_string ().c_str ()),
57 scm_from_int (ip->line_number ()),
58 scm_from_int (ip->column_number ()),
59 scm_from_int (ip->end_line_number ()),
60 scm_from_int (ip->end_column_number ()));