Introduce output formatting language

* configure.ac: Check for lex and yacc.
* lib/diag.c: New file (moved from ../src with edits)
* lib/forlan.c: New file.
* lib/forlan.h: New file.
* lib/forlangrm.y: New file.
* lib/forlanlex.l: New file.
* lib/.gitignore: Add new files.
* lib/Makefile.am: Add new file.
* lib/libeclat.h: Add diagnostics-related stuff.
* src/Makefile.am (eclat_SOURCES): Remove diag.c
* src/cmdline.opt (set_program_name): Move to ../lib/diag.c
* src/diag.c: Remove (see above).
* src/config.c: Reflect changes to the diagnostics subsystem.
* src/eclat.c: Likewise.
* src/eclat.h: Remove diagnostics-related stuff.
It lives in libeclat.h from now on.
* src/error.c: Remove.
* tests/forlan01.at: New testcase.
* tests/testsuite.at: Include forlan01.at
* tests/tforlan.c: New file.
* tests/.gitignore: Add new files.
* tests/Makefile.am: Add new files.

1 files changed, 0 insertions, 64 deletions

diff --git a/src/error.c b/src/error.c
deleted file mode 100644
index 6c86d34..0000000
--- a/src/error.c
+++ /dev/null
@@ -1,64 +0,0 @@
-/* This file is part of Eclat.
-   Copyright (C) 2012 Sergey Poznyakoff.
- 
-   Eclat 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, or (at your option)
-   any later version.
- 
-   Eclat 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 Eclat.  If not, see <http://www.gnu.org/licenses/>. */
-
-#include "eclat.h"
-#include <stdargs.h>
-#include <stdio.h>
-
-char *program_name;
-
-void
-diag(const char *qual, const char *fmt, va_list ap)
-{
-	if (program_name)
-		fprintf(stderr, "%s: ", program_name);
-	if (qual)
-		fprintf(stderr, "%s: ", qual);
-	va_start(ap, fmt);
-	vfprintf(stderr, ftm, ap);
-	va_end(ap);
-	fputc('\n', stderr);
-}
-
-void
-err(const char *fmt, ...)
-{
-	va_list ap;
-	
-	va_start(ap, fmt);
-	diag(NULL, ftm, ap);
-	va_end(ap);
-}
-
-void
-warn(const char *fmt, ...)
-{
-	va_list ap;
-	
-	va_start(ap, fmt);
-	diag("warning", ftm, ap);
-	va_end(ap);
-}
-
-void
-debug_printf(const char *fmt, ...)
-{
-	va_list ap;
-	
-	va_start(ap, fmt);
-	diag("debug", ftm, ap);
-	va_end(ap);
-}