Web-ja: update introduction

[lilypond.git] / lily / input-scheme.cc

diff --git a/lily/input-scheme.cc b/lily/input-scheme.cc
index 4c771f0049b538ad63b90dc6d341fa9a74304ee3..42d35816c31b1f9dc81fdc9ce534b039dd7d96c0 100644 (file)
--- a/lily/input-scheme.cc
+++ b/lily/input-scheme.cc
@@ -1,55 +1,91 @@
 /*
-  input-scheme.cc -- implement Input bindings.
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 2005--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  LilyPond is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#include "string.hh"
-#include "input-smob.hh"
+#include "std-string.hh"
+#include "input.hh"
 
-/* We don't use IMPLEMENT_TYPE_P, since the smobification part is
-   implemented separately from the class.  */
-LY_DEFINE (ly_input, "ly:input-location?", 1, 0, 0,
-          (SCM x),
-          "Return #t if @var{x} is an input location.")
+LY_DEFINE (ly_input_warning, "ly:input-warning", 2, 0, 1, (SCM sip, SCM msg, SCM rest),
+           "Print @var{msg} as a GNU compliant warning message, pointing"
+           " to the location in @var{sip}.  @var{msg} is interpreted"
+           " similar to @code{format}'s argument, using @var{rest}.")
 {
-  return unsmob_input (x) ? SCM_BOOL_T : SCM_BOOL_F;
+  Input *ip = unsmob<Input> (sip);
+
+  LY_ASSERT_SMOB (Input, sip, 1);
+  LY_ASSERT_TYPE (scm_is_string, msg, 2);
+
+  msg = scm_simple_format (SCM_BOOL_F, msg, rest);
+
+  string m = ly_scm2string (msg);
+  ip->warning (m);
+
+  return SCM_UNSPECIFIED;
 }
 
-LY_DEFINE (ly_input_message, "ly:input-message", 2, 0, 0, (SCM sip, SCM msg),
-          "Print @var{msg} as a GNU compliant error message, pointing to the"
-          "location in @var{sip}.\n")
+LY_DEFINE (ly_input_message, "ly:input-message", 2, 0, 1, (SCM sip, SCM msg, SCM rest),
+           "Print @var{msg} as a GNU compliant error message, pointing"
+           " to the location in @var{sip}.  @var{msg} is interpreted"
+           " similar to @code{format}'s argument, using @var{rest}.")
 {
-  Input *ip = unsmob_input (sip);
-  SCM_ASSERT_TYPE (ip, sip, SCM_ARG1, __FUNCTION__, "input location");
-  SCM_ASSERT_TYPE (scm_is_string (msg), msg, SCM_ARG2, __FUNCTION__, "string");
+  Input *ip = unsmob<Input> (sip);
+
+  LY_ASSERT_SMOB (Input, sip, 1);
+  LY_ASSERT_TYPE (scm_is_string, msg, 2);
+
+  msg = scm_simple_format (SCM_BOOL_F, msg, rest);
 
-  String m = ly_scm2string (msg);
+  string m = ly_scm2string (msg);
   ip->message (m);
 
   return SCM_UNSPECIFIED;
 }
 
-LY_DEFINE (ly_input_file_line_column, "ly:input-file-line-column", 1, 0, 0, (SCM sip),
-          "Return input location in @var{sip} as (file-name line column).")
+LY_DEFINE (ly_input_file_line_char_column,
+           "ly:input-file-line-char-column",
+           1, 0, 0, (SCM sip),
+           "Return input location in @var{sip} as"
+           " @code{(file-name line char column)}.")
 {
-  Input *ip = unsmob_input (sip);
-  SCM_ASSERT_TYPE (ip, sip, SCM_ARG1, __FUNCTION__, "input location");
-  return scm_list_3 (scm_makfrom0str (ip->file_string ().to_str0 ()),
-                    scm_int2num (ip->line_number ()),
-                    scm_int2num (ip->column_number ()));
+  LY_ASSERT_SMOB (Input, sip, 1);
+  Input *ip = unsmob<Input> (sip);
+
+  int l, ch, col, offset = 0;
+  ip->get_counts (&l, &ch, &col, &offset);
+  return scm_list_4 (ly_string2scm (ip->file_string ()),
+                     scm_from_int (l),
+                     scm_from_int (ch),
+                     scm_from_int (col));
 }
 
-LY_DEFINE (ly_input_both_locations, "ly:input-both-locations", 1, 0, 0, (SCM sip),
-          "Return input location in @var{sip} as (file-name first-line first-column last-line last-column).")
+LY_DEFINE (ly_input_both_locations,
+           "ly:input-both-locations",
+           1, 0, 0, (SCM sip),
+           "Return input location in @var{sip} as"
+           " @code{(file-name first-line first-column last-line last-column)}.")
 {
-  Input *ip = unsmob_input (sip);
-  SCM_ASSERT_TYPE (ip, sip, SCM_ARG1, __FUNCTION__, "input location");
-  return scm_list_5 (scm_makfrom0str (ip->file_string ().to_str0 ()),
-                    scm_int2num (ip->line_number ()),
-                    scm_int2num (ip->column_number ()),
-                    scm_int2num (ip->end_line_number ()),
-                    scm_int2num (ip->end_column_number ()));
+
+  LY_ASSERT_SMOB (Input, sip, 1);
+  Input *ip = unsmob<Input> (sip);
+
+  return scm_list_5 (ly_string2scm (ip->file_string ()),
+                     scm_from_int (ip->line_number ()),
+                     scm_from_int (ip->column_number ()),
+                     scm_from_int (ip->end_line_number ()),
+                     scm_from_int (ip->end_column_number ()));
 }