ack/util/cpp/LLlex.h

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/* $Id$ */
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/*
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
*/
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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 */
/* A token from the input stream is represented by an integer,
called a "symbol", but it may have other information associated
to it.
*/
#include <em_arith.h>
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/* the structure of a token: */
struct token {
int tok_symb; /* the token itself */
union {
arith tok_val; /* numeric values */
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char *tok_str; /* string/filespecifier */
} tok_data;
};
#include "file_info.h"
#define tk_symb tok_symb
#define tk_val tok_data.tok_val
#define tk_str tok_data.tok_str
extern struct token dot;
extern int ReplaceMacros; /* "LLlex.c" */
extern int AccFileSpecifier; /* "LLlex.c" */
extern int AccDefined; /* "LLlex.c" */
extern int UnknownIdIsZero; /* "LLlex.c" */
extern int NoUnstack; /* "input.c" */
extern int Unstacked; /* "input.c" */
extern int err_occurred; /* "error.c" */
#define DOT dot.tk_symb
#define EOF (-1)