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/*
input.cc -- implement Input
source file of the LilyPond music typesetter
(c) 1997--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "input.hh"
#include <cstdio>
using namespace std;
#include "international.hh"
#include "source-file.hh"
#include "source.hh"
#include "warn.hh"
Input::Input (Input const &i)
{
source_file_ = i.source_file_;
start_ = i.start_;
end_ = i.end_;
}
Input::Input ()
{
source_file_ = 0;
start_ = 0;
end_ = 0;
}
Input
Input::spot () const
{
return *this;
}
void
Input::set_spot (Input const &i)
{
*this = i;
}
void
Input::step_forward ()
{
if (end_ == start_)
end_++;
start_++;
}
void
Input::set_location (Input const &i_start, Input const &i_end)
{
source_file_ = i_start.source_file_;
start_ = i_start.start_;
end_ = i_end.end_;
}
/*
Produce GNU-compliant error message. Correcting lilypond source is
such a breeze if you ('re edidor) know (s) the error column too
Format:
[file:line:column:][warning:]message
*/
void
Input::message (string s) const
{
if (source_file_)
s = location_string () + ": " + s + "\n"
+ source_file_->quote_input (start_) + "\n";
::message (s);
}
void
Input::programming_error (string s) const
{
message (_f ("programming error: %s", s.c_str ()));
message (_ ("continuing, cross fingers") + "\n");
}
void
Input::warning (string s) const
{
message (_f ("warning: %s", s));
}
void
Input::error (string s) const
{
message (_f ("error: %s", s));
// UGH, fix naming or usage
// exit (1);
}
void
Input::non_fatal_error (string s) const
{
message (_f ("error: %s", s));
}
string
Input::location_string () const
{
if (source_file_)
return source_file_->file_line_column_string (start_);
return " (" + _ ("position unknown") + ")";
}
string
Input::line_number_string () const
{
if (source_file_)
return to_string (source_file_->get_line (start_));
return "?";
}
string
Input::file_string () const
{
if (source_file_)
return source_file_->name_string ();
return "";
}
int
Input::line_number () const
{
if (source_file_)
return source_file_->get_line (start_);
return 0;
}
int
Input::column_number () const
{
int line, chr, col = 0;
source_file_->get_counts (start_, &line, &chr, &col);
return col;
}
int
Input::end_line_number () const
{
if (source_file_)
return source_file_->get_line (end_);
return 0;
}
int
Input::end_column_number () const
{
int line, chr, col = 0;
source_file_->get_counts (end_, &line, &chr, &col);
return col;
}
void
Input::get_counts (int *line, int *chr, int *col) const
{
source_file_->get_counts (start_, line, chr, col);
}
void
Input::set (Source_file *sf, char const *start, char const *end)
{
source_file_ = sf;
start_ = start;
end_ = end;
}
Source_file *
Input::get_source_file () const
{
return source_file_;
}
char const *
Input::start () const
{
return start_;
}
char const *
Input::end () const
{
return end_;
}
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