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/* do not edit automatically generated by mc from mcLexBuf. */
/* mcLexBuf.def provides a buffer for the all the tokens created by m2.lex.
Copyright (C) 2015-2023 Free Software Foundation, Inc.
Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.
This file is part of GNU Modula-2.
GNU Modula-2 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 3, or (at your option)
any later version.
GNU Modula-2 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 Modula-2; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#if !defined (_mcLexBuf_H)
# define _mcLexBuf_H
#include "config.h"
#include "system.h"
# ifdef __cplusplus
extern "C" {
# endif
#include <stdbool.h>
# if !defined (PROC_D)
# define PROC_D
typedef void (*PROC_t) (void);
typedef struct { PROC_t proc; } PROC;
# endif
# include "GSYSTEM.h"
# include "GmcReserved.h"
# include "GDynamicStrings.h"
# include "GmcComment.h"
# if defined (_mcLexBuf_C)
# define EXTERN
# else
# define EXTERN extern
# endif
EXTERN mcReserved_toktype mcLexBuf_currenttoken;
EXTERN void * mcLexBuf_currentstring;
EXTERN unsigned int mcLexBuf_currentcolumn;
EXTERN int mcLexBuf_currentinteger;
EXTERN mcComment_commentDesc mcLexBuf_lastcomment;
EXTERN mcComment_commentDesc mcLexBuf_currentcomment;
/*
getProcedureComment - returns the procedure comment if it exists,
or NIL otherwise.
*/
EXTERN mcComment_commentDesc mcLexBuf_getProcedureComment (void);
/*
getBodyComment - returns the body comment if it exists,
or NIL otherwise.
*/
EXTERN mcComment_commentDesc mcLexBuf_getBodyComment (void);
/*
getAfterComment - returns the after comment if it exists,
or NIL otherwise.
*/
EXTERN mcComment_commentDesc mcLexBuf_getAfterComment (void);
/*
openSource - Attempts to open the source file, s.
The success of the operation is returned.
*/
EXTERN bool mcLexBuf_openSource (DynamicStrings_String s);
/*
closeSource - closes the current open file.
*/
EXTERN void mcLexBuf_closeSource (void);
/*
reInitialize - re-initialize the all the data structures.
*/
EXTERN void mcLexBuf_reInitialize (void);
/*
resetForNewPass - reset the buffer pointers to the beginning ready for
a new pass
*/
EXTERN void mcLexBuf_resetForNewPass (void);
/*
getToken - gets the next token into currenttoken.
*/
EXTERN void mcLexBuf_getToken (void);
/*
insertToken - inserts a symbol, token, infront of the current token
ready for the next pass.
*/
EXTERN void mcLexBuf_insertToken (mcReserved_toktype token);
/*
insertTokenAndRewind - inserts a symbol, token, infront of the current token
and then moves the token stream back onto the inserted token.
*/
EXTERN void mcLexBuf_insertTokenAndRewind (mcReserved_toktype token);
/*
getPreviousTokenLineNo - returns the line number of the previous token.
*/
EXTERN unsigned int mcLexBuf_getPreviousTokenLineNo (void);
/*
getLineNo - returns the current line number where the symbol occurs in
the source file.
*/
EXTERN unsigned int mcLexBuf_getLineNo (void);
/*
getTokenNo - returns the current token number.
*/
EXTERN unsigned int mcLexBuf_getTokenNo (void);
/*
tokenToLineNo - returns the line number of the current file for the
TokenNo. The depth refers to the include depth.
A depth of 0 is the current file, depth of 1 is the file
which included the current file. Zero is returned if the
depth exceeds the file nesting level.
*/
EXTERN unsigned int mcLexBuf_tokenToLineNo (unsigned int tokenNo, unsigned int depth);
/*
getColumnNo - returns the current column where the symbol occurs in
the source file.
*/
EXTERN unsigned int mcLexBuf_getColumnNo (void);
/*
tokenToColumnNo - returns the column number of the current file for the
TokenNo. The depth refers to the include depth.
A depth of 0 is the current file, depth of 1 is the file
which included the current file. Zero is returned if the
depth exceeds the file nesting level.
*/
EXTERN unsigned int mcLexBuf_tokenToColumnNo (unsigned int tokenNo, unsigned int depth);
/*
findFileNameFromToken - returns the complete FileName for the appropriate
source file yields the token number, TokenNo.
The, Depth, indicates the include level: 0..n
Level 0 is the current. NIL is returned if n+1
is requested.
*/
EXTERN DynamicStrings_String mcLexBuf_findFileNameFromToken (unsigned int tokenNo, unsigned int depth);
/*
getFileName - returns a String defining the current file.
*/
EXTERN DynamicStrings_String mcLexBuf_getFileName (void);
/*
addTok - adds a token to the buffer.
*/
EXTERN void mcLexBuf_addTok (mcReserved_toktype t);
/*
addTokCharStar - adds a token to the buffer and an additional string, s.
A copy of string, s, is made.
*/
EXTERN void mcLexBuf_addTokCharStar (mcReserved_toktype t, void * s);
/*
addTokInteger - adds a token and an integer to the buffer.
*/
EXTERN void mcLexBuf_addTokInteger (mcReserved_toktype t, int i);
/*
addTokComment - adds a token to the buffer and a comment descriptor, com.
*/
EXTERN void mcLexBuf_addTokComment (mcReserved_toktype t, mcComment_commentDesc com);
/*
setFile - sets the current filename to, filename.
*/
EXTERN void mcLexBuf_setFile (void * filename);
/*
pushFile - indicates that, filename, has just been included.
*/
EXTERN void mcLexBuf_pushFile (void * filename);
/*
popFile - indicates that we are returning to, filename, having finished
an include.
*/
EXTERN void mcLexBuf_popFile (void * filename);
# ifdef __cplusplus
}
# endif
# undef EXTERN
#endif
|
