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/***************************************************************************
* pas.h
* External Declarations associated with pas.c
*
* Copyright (C) 2008 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
***************************************************************************/
#ifndef __PAS_H
#define __PAS_H
/***************************************************************************
* Compilation Switches
***************************************************************************/
#define LSTTOFILE 1
/***************************************************************************
* Included Files
***************************************************************************/
#include "pdefs.h"
#include "pofflib.h"
/***************************************************************************
* Definitions
***************************************************************************/
/* This is a helper macro just to make things pretty in the source code */
#define FP0 (&fileState[0]) /* Main file description */
#define FP (&fileState[includeIndex]) /* Current file description */
#define FPP (&fileState[includeIndex-1]) /* Previous file description */
#define IS_NESTED_UNIT ((includeIndex > 0) && (FP->kind == eIsUnit))
/***************************************************************************
* Global Types
***************************************************************************/
/***************************************************************************
* Global Variable
***************************************************************************/
extern uint16 token; /* Current token */
extern uint16 tknSubType; /* Extended token type */
extern sint32 tknInt; /* Integer token value */
extern float64 tknReal; /* Real token value */
extern STYPE *tknPtr; /* Pointer to symbol token */
extern FTYPE files[MAX_FILES+1]; /* File Table */
extern fileState_t fileState[MAX_INCL]; /* State of all open files */
/* sourceFileName : Source file name from command line
* includePath[] : Pathes to search when including file
*/
extern char *sourceFileName;
extern char *includePath[MAX_INCPATHES];
extern poffHandle_t poffHandle; /* Handle for POFF object */
extern FILE *poffFile; /* POFF output file */
extern FILE *errFile; /* Error file pointer */
extern FILE *lstFile; /* List file pointer */
extern WTYPE withRecord; /* RECORD of WITH statement */
extern sint16 level; /* Static nesting level */
extern sint16 includeIndex; /* Include file index */
extern sint16 nIncPathes; /* Number pathes in includePath[] */
extern uint16 label; /* Last label number */
extern sint16 nsym; /* Number symbol table entries */
extern sint16 nconst; /* Number constant table entries */
extern sint16 sym_strt; /* Symbol search start index */
extern sint16 const_strt; /* Constant search start index */
extern sint16 err_count; /* Error counter */
extern sint16 nfiles; /* Program file counter */
extern sint32 warn_count; /* Warning counter */
extern sint32 dstack; /* data stack size */
/***************************************************************************
* Global Function Prototypes
***************************************************************************/
extern void openNestedFile (const char *fileName);
extern void closeNestedFile (void);
#endif /* __PAS_H */
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