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/******************************** -*- C -*- ****************************
*
* External definitions for the Lexer module.
*
*
***********************************************************************/
/***********************************************************************
*
* Copyright 1988,89,90,91,92,94,95,99,2000,2001,2002,2006,2007,2008
* Free Software Foundation, Inc.
* Written by Steve Byrne.
*
* This file is part of GNU Smalltalk.
*
* GNU Smalltalk 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 2, or (at your option) any later
* version.
*
* Linking GNU Smalltalk statically or dynamically with other modules is
* making a combined work based on GNU Smalltalk. Thus, the terms and
* conditions of the GNU General Public License cover the whole
* combination.
*
* In addition, as a special exception, the Free Software Foundation
* give you permission to combine GNU Smalltalk with free software
* programs or libraries that are released under the GNU LGPL and with
* independent programs running under the GNU Smalltalk virtual machine.
*
* You may copy and distribute such a system following the terms of the
* GNU GPL for GNU Smalltalk and the licenses of the other code
* concerned, provided that you include the source code of that other
* code when and as the GNU GPL requires distribution of source code.
*
* Note that people who make modified versions of GNU Smalltalk are not
* obligated to grant this special exception for their modified
* versions; it is their choice whether to do so. The GNU General
* Public License gives permission to release a modified version without
* this exception; this exception also makes it possible to release a
* modified version which carries forward this exception.
*
* GNU Smalltalk 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
* GNU Smalltalk; see the file COPYING. If not, write to the Free Software
* Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
***********************************************************************/
#ifndef GST_LEX_H
#define GST_LEX_H
/* True if errors must be reported to the standard error, false if
errors should instead stored so that they are passed to Smalltalk
code. */
extern mst_Boolean _gst_report_errors
ATTRIBUTE_HIDDEN;
/* This is set to true by the parser or the compiler if an error
(respectively, a parse error or a semantic error) is found, and
avoids that _gst_execute_statements tries to execute the result of
the compilation. */
extern mst_Boolean _gst_had_error
ATTRIBUTE_HIDDEN;
/* This is set to true by the parser if error recovery is going on.
In this case ERROR_RECOVERY tokens are generated. */
extern mst_Boolean _gst_error_recovery
ATTRIBUTE_HIDDEN;
/* The location of the first error reported, stored here so that
compilation primitives can pass them to Smalltalk code. */
extern char *_gst_first_error_str
ATTRIBUTE_HIDDEN, *_gst_first_error_file
ATTRIBUTE_HIDDEN;
extern int _gst_first_error_line
ATTRIBUTE_HIDDEN;
/* The obstack containing parse tree nodes. */
extern struct obstack *_gst_compilation_obstack
ATTRIBUTE_HIDDEN;
/* Parse the topmost stream in the stack. */
extern void _gst_parse_stream (mst_Boolean method)
ATTRIBUTE_HIDDEN;
/* Lexer interface to the lexer. */
extern int _gst_yylex (PTR lvalp, YYLTYPE *llocp)
ATTRIBUTE_HIDDEN;
/* Print on file FILE a description of TOKEN, with auxiliary data
stored in LVAL. */
extern void _gst_yyprint (FILE * file,
int token,
PTR lval)
ATTRIBUTE_HIDDEN;
#endif /* GST_LEX_H */
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