/*
- input.hh -- declare Input
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the LilyPond music typesetter
+ Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1997 Han-Wen Nienhuys <hanwen@stack.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/>.
+*/
#ifndef INPUT_HH
#define INPUT_HH
+#include "lily-proto.hh"
+#include "smobs.hh"
+
/**
- Base class for anything that records its poisition in the parse file.
- */
-class Input {
- char const *defined_ch_C_ ;
- Sources * sources_l_;
+ Base class for anything that records its poisition in the parse file.
+*/
+class Input : public Simple_smob<Input>
+{
+ char const *start_;
+ char const *end_;
+ Source_file *source_file_;
public:
-
- void warning(String)const; // should use member func?
- void error(String)const;
- void message(String)const;
- void set_spot(Input const &);
- void set_sources(Sources *);
-
- String location_str()const;
- Input(Sources *,char const*);
- Input();
+ static const char * const type_p_name_;
+ int print_smob (SCM, scm_print_state *) const;
+ static SCM equal_p (SCM, SCM);
+ SCM mark_smob () const;
+ Source_file *get_source_file () const;
+ char const *start () const;
+ char const *end () const;
+
+ void set (Source_file *, char const *, char const *);
+ void error (const string&) const;
+ void programming_error (const string&) const;
+ void non_fatal_error (const string&) const;
+ void warning (const string&) const;
+ void message (const string&) const;
+ void debug_output (const string&) const;
+ void set_spot (Input const &);
+ void step_forward ();
+ void set_location (Input const &, Input const &);
+
+ Input spot () const;
+
+ string location_string () const;
+ string line_number_string () const;
+ string file_string ()const;
+
+ int line_number ()const;
+ int column_number ()const;
+ int end_line_number ()const;
+ int end_column_number ()const;
+
+ void get_counts (int *, int *, int *, int *) const;
+
+ Input (Input const &i);
+ Input ();
+protected:
+ string message_location () const;
+ string message_string (const string &msg) const;
};
+extern Input dummy_input_global;
+
+// The parser calls syntax functions with a lot of arguments
+SCM with_location (SCM loc, SCM proc);
+SCM with_location (SCM loc, SCM proc, SCM);
+SCM with_location (SCM loc, SCM proc, SCM, SCM);
+SCM with_location (SCM loc, SCM proc, SCM, SCM, SCM);
+SCM with_location (SCM loc, SCM proc, SCM, SCM, SCM, SCM);
+SCM with_location (SCM loc, SCM proc, SCM, SCM, SCM, SCM, SCM);
+
#endif // INPUT_HH