/*
This file is part of LilyPond, the GNU music typesetter.
- Copyright (C) 1997--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Copyright (C) 1997--2015 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
#include <cstdlib>
#include <cstdio>
+#include "std-vector.hh"
#include "international.hh"
using namespace std;
/* Define the loglevel (default is INFO) */
int loglevel = LOGLEVEL_INFO;
+bool warning_as_error = false;
bool
is_loglevel (int level)
set_loglevel (l);
else
{
- non_fatal_error (_f ("unknown log level `%s', using default (INFO)",
+ non_fatal_error (_f ("unknown log level `%s', using default (INFO)",
level));
set_loglevel (LOGLEVEL_INFO);
}
}
}
+/**
+ * Register a warning string to be expected and the output suppressed.
+ * If the warning is encountered, it will be removed from the list of
+ * expected warnings again.
+ */
+vector<string> expected_warnings;
+void expect_warning (const string &msg)
+{
+ expected_warnings.push_back (msg);
+}
+
+void check_expected_warnings ()
+{
+ if (expected_warnings.size () > 0)
+ {
+ /* Some expected warning was not triggered, so print out a warning. */
+ string msg = _f ("%d expected warning(s) not encountered: ",
+ expected_warnings.size ());
+ for (vsize i = 0; i < expected_warnings.size (); i++)
+ msg += "\n " + expected_warnings[i];
+
+ warning (msg);
+ }
+ expected_warnings.clear ();
+}
+
+bool is_expected (const string &s)
+{
+ bool expected = false;
+ for (vsize i = 0; i < expected_warnings.size (); i++)
+ {
+ // Compare the msg with the suppressed string; If the beginning matches,
+ // i.e. the msg can have additional content AFTER the full (exact)
+ // suppressed message, suppress the warning.
+ // This is needed for the Input class, where the message contains
+ // the input file contents after the real message.
+ if (s.compare (0, expected_warnings[i].size (), expected_warnings[i]) == 0)
+ {
+ expected = true;
+ expected_warnings.erase (expected_warnings.begin () + i);
+ break;
+ }
+ }
+ return expected;
+}
/**
* Helper functions: print_message_part (no newline prepended)
if newline is true, start the message on a new line.
*/
void
-print_message (int level, string location, string s, bool newline)
+print_message (int level, const string &location, string s, bool newline)
{
/* Only print the message if the current loglevel allows it: */
if (!is_loglevel (level))
message_newline = s[s.length () - 1] == '\n';
}
-
/** The actual output functions to be called in lilypond code.
* Sorted in descending order of importance (errors, warnings, progress, info,
* debug). Each prints a message on a separate line.
/* Display a fatal error message. Also exits lilypond. */
void
-error (string s, string location)
+error (string s, const string &location)
{
print_message (LOG_ERROR, location, _f ("fatal error: %s", s) + "\n");
exit (1);
/* Display a severe programming error message, but don't exit. */
void
-programming_error (string s, string location)
+programming_error (const string &s, const string &location)
{
- print_message (LOG_ERROR, location, _f ("programming error: %s", s) + "\n");
- print_message (LOG_ERROR, location, _ ("continuing, cross fingers") + "\n");
+ if (is_expected (s))
+ print_message (LOG_DEBUG, location, _f ("suppressed programming error: %s", s) + "\n");
+ else if (warning_as_error)
+ error (s, location);
+ else
+ {
+ print_message (LOG_ERROR, location, _f ("programming error: %s", s) + "\n");
+ print_message (LOG_ERROR, location, _ ("continuing, cross fingers") + "\n");
+ }
}
/* Display a non-fatal error message, don't exit. */
void
-non_fatal_error (string s, string location)
+non_fatal_error (const string &s, const string &location)
{
- print_message (LOG_ERROR, location, _f ("error: %s", s) + "\n");
+ if (is_expected (s))
+ print_message (LOG_DEBUG, location, _f ("suppressed error: %s", s) + "\n");
+ else if (warning_as_error)
+ error (s, location);
+ else
+ print_message (LOG_ERROR, location, _f ("error: %s", s) + "\n");
}
/* Display a warning message. */
void
-warning (string s, string location)
+warning (const string &s, const string &location)
{
- print_message (LOG_WARN, location, _f ("warning: %s", s) + "\n");
+ if (is_expected (s))
+ print_message (LOG_DEBUG, location, _f ("suppressed warning: %s", s) + "\n");
+ else if (warning_as_error)
+ error (s, location);
+ else
+ print_message (LOG_WARN, location, _f ("warning: %s", s) + "\n");
}
/* Display a success message. */
void
-basic_progress (string s, string location)
+basic_progress (const string &s, const string &location)
{
print_message (LOG_BASIC, location, s + "\n", true);
}
/* Display information about the progress. */
void
-progress_indication (string s, bool newline, string location)
+progress_indication (const string &s, bool newline, const string &location)
{
print_message (LOG_PROGRESS, location, s, newline);
}
/* Display a single info message. */
void
-message (string s, bool newline, string location)
+message (const string &s, bool newline, const string &location)
{
// Use the progress loglevel for all normal messages (including progress msg)
print_message (LOG_INFO, location, s, newline);
/* Display a debug information, not necessarily on a new line. */
void
-debug_output (string s, bool newline, string location)
+debug_output (const string &s, bool newline, const string &location)
{
print_message (LOG_DEBUG, location, s, newline);
}