115 lines
3.1 KiB
C
115 lines
3.1 KiB
C
#ifndef LEX_ACTIONS_H
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#define LEX_ACTIONS_H
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/*
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* This software was developed by U.S. Government employees as part of
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* their official duties and is not subject to copyright.
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*
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* $Log: lexact.h,v $
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* Revision 1.5 1995/04/05 13:55:40 clark
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* CADDETC preval
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*
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* Revision 1.4 1994/11/22 18:32:39 clark
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* Part 11 IS; group reference
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*
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* Revision 1.3 1994/05/11 19:51:05 libes
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* numerous fixes
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*
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* Revision 1.2 1993/10/15 18:48:24 libes
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* CADDETC certified
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*
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* Revision 1.5 1992/08/27 23:41:58 libes
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* modified decl of SCANinitialize
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*
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* Revision 1.4 1992/08/18 17:12:41 libes
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* rm'd extraneous error messages
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*
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* Revision 1.3 1992/06/08 18:06:24 libes
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* prettied up interface to print_objects_when_running
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*/
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#define keep_nul
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/*************/
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/* constants */
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/*************/
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/*****************/
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/* packages used */
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/*****************/
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#include <sc_export.h>
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#include <ctype.h>
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#include "basic.h"
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#include "error.h"
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/************/
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/* typedefs */
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/************/
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#define SCAN_BUFFER_SIZE 1024
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#define SCAN_NESTING_DEPTH 6
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#define SCAN_ESCAPE '\001'
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typedef struct Scan_Buffer {
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char text[SCAN_BUFFER_SIZE + 1];
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#ifdef keep_nul
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int numRead;
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#endif
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char * savedPos;
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FILE * file;
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const char * filename;
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bool readEof;
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int lineno;
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int bol;
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} Scan_Buffer;
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/********************/
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/* global variables */
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/********************/
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extern SC_EXPRESS_EXPORT Scan_Buffer SCAN_buffers[SCAN_NESTING_DEPTH];
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extern SC_EXPRESS_EXPORT int SCAN_current_buffer;
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extern SC_EXPRESS_EXPORT char * SCANcurrent;
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/******************************/
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/* macro function definitions */
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/******************************/
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#define SCANbuffer SCAN_buffers[SCAN_current_buffer]
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#define SCANbol SCANbuffer.bol
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#ifdef keep_nul
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# define SCANtext_ready (SCANbuffer.numRead != 0)
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#else
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# define SCANtext_ready (*SCANcurrent != '\0')
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#endif
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#ifndef static_inline
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# define static_inline static inline
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#endif
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/***********************/
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/* function prototypes */
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/***********************/
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extern SC_EXPRESS_EXPORT void SCANinitialize( void );
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extern SC_EXPRESS_EXPORT void SCANcleanup( void );
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extern SC_EXPRESS_EXPORT int SCANprocess_real_literal( const char * );
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extern SC_EXPRESS_EXPORT int SCANprocess_integer_literal( const char * );
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extern SC_EXPRESS_EXPORT int SCANprocess_binary_literal( const char * );
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extern SC_EXPRESS_EXPORT int SCANprocess_logical_literal( char * );
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extern SC_EXPRESS_EXPORT int SCANprocess_identifier_or_keyword( const char * );
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extern SC_EXPRESS_EXPORT int SCANprocess_string( const char * );
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extern SC_EXPRESS_EXPORT int SCANprocess_encoded_string( const char * );
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extern SC_EXPRESS_EXPORT int SCANprocess_semicolon( const char *, int );
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extern SC_EXPRESS_EXPORT void SCANsave_comment( const char * );
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extern SC_EXPRESS_EXPORT bool SCANread( void );
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extern SC_EXPRESS_EXPORT void SCANinclude_file( char * );
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SC_EXPRESS_EXPORT void SCANlowerize( char * );
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SC_EXPRESS_EXPORT void SCANupperize( char * );
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extern SC_EXPRESS_EXPORT char * SCANstrdup( const char * );
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extern SC_EXPRESS_EXPORT long SCANtell( void );
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#endif /* LEX_ACTIONS_H */
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