59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
/*
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* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
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* See the copyright notice in the ACK home directory, in the file "Copyright".
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*/
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/* $Id$ */
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/* D E F I N I T I O N S F O R T H E L E X I C A L A N A L Y Z E R */
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#ifndef LLLEX_H_
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#define LLLEX_H_
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/* A token from the input stream is represented by an integer,
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called a "symbol", but it may have other information associated
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to it.
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*/
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/* the structure of a token: */
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struct token {
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int tok_symb; /* the token itself */
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union {
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char *tok_str;
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struct {
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int tok_unsigned;
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arith tok_val; /* for INTEGER */
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} tok_int;
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} tok_data;
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};
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#include "file_info.h"
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#define tk_symb tok_symb
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#define tk_str tok_data.tok_str
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#define tk_val tok_data.tok_int.tok_val
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#define tk_unsigned tok_data.tok_int.tok_unsigned
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extern struct token dot;
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extern int ReplaceMacros; /* "LLlex.c" */
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extern int AccDefined; /* "LLlex.c" */
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extern int Unstacked; /* "LLlex.c" */
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extern int UnknownIdIsZero; /* "LLlex.c" */
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extern int AccFileSpecifier; /* "LLlex.c" */
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extern int NoUnstack; /* buffer.c */
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extern int err_occurred; /* "error.c" */
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#define DOT dot.tk_symb
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#define EOF (-1)
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/* Public function declarations */
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int LLlex(void);
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int GetToken(register struct token* ptok);
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void skipcomment(void);
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void skiplinecomment(void);
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/* Get next character input, with trigraph parsing and newline */
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int GetChar(void);
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#endif /* LLLLEX_H_ */
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