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git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4200 7fd9a85b-ad96-42d3-883c-3090e2eb8679
117 lines
5.3 KiB
C
117 lines
5.3 KiB
C
/***************************************************************************
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* pas.h
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* External Declarations associated with pas.c
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*
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* Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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***************************************************************************/
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#ifndef __PAS_H
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#define __PAS_H
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/***************************************************************************
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* Compilation Switches
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***************************************************************************/
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#define LSTTOFILE 1
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/***************************************************************************
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* Included Files
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***************************************************************************/
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#include <sys/types.h>
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#include <stdint.h>
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#include "pasdefs.h"
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#include "pofflib.h"
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/***************************************************************************
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* Pre-processor Definitions
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***************************************************************************/
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/* This is a helper macro just to make things pretty in the source code */
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#define FP0 (&fileState[0]) /* Main file description */
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#define FP (&fileState[includeIndex]) /* Current file description */
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#define FPP (&fileState[includeIndex-1]) /* Previous file description */
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#define IS_NESTED_UNIT ((includeIndex > 0) && (FP->kind == eIsUnit))
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/***************************************************************************
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* Global Types
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***************************************************************************/
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/***************************************************************************
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* Global Variable
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***************************************************************************/
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extern uint16_t token; /* Current token */
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extern uint16_t tknSubType; /* Extended token type */
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extern int32_t tknInt; /* Integer token value */
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extern double tknReal; /* Real token value */
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extern STYPE *tknPtr; /* Pointer to symbol token */
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extern FTYPE files[MAX_FILES+1]; /* File Table */
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extern fileState_t fileState[MAX_INCL]; /* State of all open files */
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/* sourceFileName : Source file name from command line
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* includePath[] : Pathes to search when including file
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*/
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extern char *sourceFileName;
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extern char *includePath[MAX_INCPATHES];
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extern poffHandle_t poffHandle; /* Handle for POFF object */
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extern FILE *poffFile; /* POFF output file */
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extern FILE *errFile; /* Error file pointer */
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extern FILE *lstFile; /* List file pointer */
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extern WTYPE withRecord; /* RECORD of WITH statement */
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extern int16_t level; /* Static nesting level */
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extern int16_t includeIndex; /* Include file index */
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extern int16_t nIncPathes; /* Number pathes in includePath[] */
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extern uint16_t label; /* Last label number */
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extern int16_t nsym; /* Number symbol table entries */
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extern int16_t nconst; /* Number constant table entries */
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extern int16_t sym_strt; /* Symbol search start index */
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extern int16_t const_strt; /* Constant search start index */
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extern int16_t err_count; /* Error counter */
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extern int16_t nfiles; /* Program file counter */
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extern int32_t warn_count; /* Warning counter */
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extern int32_t dstack; /* data stack size */
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/***************************************************************************
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* Global Function Prototypes
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***************************************************************************/
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extern void openNestedFile (const char *fileName);
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extern void closeNestedFile (void);
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#endif /* __PAS_H */
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