/*
- lily-parser-scheme.cc -- implement Lily_parser bindings
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2005--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 2005--2009 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 <unistd.h>
Lily_parser *parser = unsmob_lily_parser (parser_smob);
LY_ASSERT_TYPE (scm_is_string, ly_code, 2);
- parser->parse_string (ly_scm2string (ly_code));
+ if (!parser->lexer_->is_clean ())
+ parser->parser_error (_ ("ly:parser-parse-string is only valid with a new parser."
+ " Use ly:parser-include-string instead."));
+ else
+ parser->parse_string (ly_scm2string (ly_code));
+
+ return SCM_UNSPECIFIED;
+}
+
+LY_DEFINE (ly_parser_include_string, "ly:parser-include-string",
+ 2, 0, 0, (SCM parser_smob, SCM ly_code),
+ "Include the string @var{ly-code} into the input stream"
+ " for @var{parser-smob}.")
+{
+ LY_ASSERT_SMOB (Lily_parser, parser_smob, 1);
+ Lily_parser *parser = unsmob_lily_parser (parser_smob);
+ LY_ASSERT_TYPE (scm_is_string, ly_code, 2);
+
+ parser->include_string (ly_scm2string (ly_code));
return SCM_UNSPECIFIED;
}