include/antlr3bitset.h - Online Linux Manual PageSection : 3
Updated : Tue Jan 26 2021
Source : Version 3.3.1
Note : ANTLR3C

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NAMEinclude/antlr3bitset.h − Defines the basic structures of an ANTLR3 bitset​.

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SYNOPSIS
#include <antlr3defs​.h>
#include <antlr3collections​.h>

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Data Structuresstruct ANTLR3_BITSET_LIST_struct
struct ANTLR3_BITSET_struct

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Macros#define ANTLR3_BITSET_BITS 64
How many bits in the elements​. #define ANTLR3_BITSET_LOG_BITS 6
log2 of ANTLR3_BITSET_BITS 2^ANTLR3_BITSET_LOG_BITS = ANTLR3_BITSET_BITS #define ANTLR3_BITSET_MOD_MASK ANTLR3_BITSET_BITS − 1
We will often need to do a mod operator (i mod nbits)​. #define ANTLR3_BITSET_NIBBLE 4
How many bits in a nible of bits​.

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Typedefstypedef struct ANTLR3_BITSET_struct ANTLR3_BITSET
typedef struct ANTLR3_BITSET_LIST_struct ANTLR3_BITSET_LIST

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Detailed DescriptionDefines the basic structures of an ANTLR3 bitset​. this is a C version of the cut down Bitset class provided with the java version of antlr 3​.

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Macro Definition Documentation

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#define ANTLR3_BITSET_BITS 64How many bits in the elements​.

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#define ANTLR3_BITSET_LOG_BITS 6log2 of ANTLR3_BITSET_BITS 2^ANTLR3_BITSET_LOG_BITS = ANTLR3_BITSET_BITS

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#define ANTLR3_BITSET_MOD_MASK ANTLR3_BITSET_BITS − 1We will often need to do a mod operator (i mod nbits)​. For powers of two, this mod operation is the same as: • (i & (nbits-1))​.
Since mod is relatively slow, we use an easily precomputed mod mask to do the mod instead​.

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#define ANTLR3_BITSET_NIBBLE 4How many bits in a nible of bits​.

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Typedef Documentation

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typedef struct ANTLR3_BITSET_struct ANTLR3_BITSET

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typedef struct ANTLR3_BITSET_LIST_struct ANTLR3_BITSET_LIST

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AuthorGenerated automatically by Doxygen for ANTLR3C from the source code​. 0

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Johanes Gumabo

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