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git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4200 7fd9a85b-ad96-42d3-883c-3090e2eb8679
99 lines
4.1 KiB
C
99 lines
4.1 KiB
C
/***********************************************************************
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* pexpr.h
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* External Declarations associated with pexpr.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 __PEXPR_H
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#define __PEXPR_H
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/***********************************************************************
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* Included Files
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***********************************************************************/
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#include <stdint.h>
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/***********************************************************************
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* Type Definitions
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***********************************************************************/
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typedef enum exprEnum
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{
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exprUnknown = 0, /* TOS value unknown */
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exprAnyOrdinal, /* TOS = any ordinal type */
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exprAnyString, /* TOS = any string type */
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exprInteger, /* TOS = integer value */
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exprReal, /* TOS = real value */
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exprChar, /* TOS = character value */
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exprBoolean, /* TOS = boolean(integer) value */
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exprScalar, /* TOS = scalar(integer) value */
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exprString, /* TOS = variable length string reference */
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exprStkString, /* TOS = reference to string on string stack */
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exprCString, /* TOS = pointer to C string */
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exprSet, /* TOS = set(integer) value */
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exprArray, /* TOS = array */
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exprRecord, /* TOS = record */
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exprIntegerPtr, /* TOS = pointer to integer value */
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exprRealPtr, /* TOS = pointer to a real value */
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exprCharPtr, /* TOS = pointer to a character value */
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exprBooleanPtr, /* TOS = pointer to a boolean value */
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exprScalarPtr, /* TOS = pointer to a scalar value */
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exprSetPtr, /* TOS = pointer to a set value */
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exprArrayPtr, /* TOS = pointer to an array */
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exprRecordPtr /* TOS = pointer to a record */
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} exprType;
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/***********************************************************************
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* Global Variables
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***********************************************************************/
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extern int constantToken;
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extern int32_t constantInt;
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extern double constantReal;
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extern char *constantStart;
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/***********************************************************************
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* Global Function Protypes
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***********************************************************************/
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extern exprType expression ( exprType findExprType, STYPE *typePtr );
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extern exprType varParm ( exprType varExprType, STYPE *typePtr );
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extern void arrayIndex ( int32_t size );
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extern exprType getExprType( STYPE *sType );
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extern void constantExpression(void);
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#endif /* __PEXPR_H */
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