ANTLR3_HASH_ENTRY_struct - Online Linux Manual PageSection : 3
Updated : Tue Jan 26 2021
Source : Version 3.3.1
Note : ANTLR3C

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NAMEANTLR3_HASH_ENTRY_struct − Internal structure representing an element in a hash bucket​.

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SYNOPSIS
#include <antlr3collections​.h>

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Public Member Functionsvoid (ANTLR3_CDECL *free)(void *data)
Pointer to routine that knows how to release the memory structure pointed at by data​.

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Data Fieldsvoid * data
Pointer to the data for this particular entry​. ANTLR3_HASH_KEY keybase
Key that created this particular entry​. struct ANTLR3_HASH_ENTRY_struct * nextEntry
Pointer to the next entry in this bucket if there is one​.

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Detailed DescriptionInternal structure representing an element in a hash bucket​. Stores the original key so that duplicate keys can be rejected if necessary, and contains function can be supported​. If the hash key could be unique I would have invented the perfect compression algorithm ;-)

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Member Function Documentation

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ANTLR3_HASH_ENTRY_struct::void (ANTLR3_CDECL * free)Pointer to routine that knows how to release the memory structure pointed at by data​. If this is NULL then we assume that the data pointer does not need to be freed when the entry is deleted from the table​.

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Field Documentation

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void* ANTLR3_HASH_ENTRY_struct::dataPointer to the data for this particular entry​. Referenced by antlr3EnumNext(), antlr3HashDelete(), antlr3HashDeleteI(), antlr3HashFree(), antlr3HashGet(), antlr3HashGetI(), antlr3HashPut(), antlr3HashPutI(), and antlr3ListRemove()​.

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ANTLR3_HASH_KEY ANTLR3_HASH_ENTRY_struct::keybaseKey that created this particular entry​. Referenced by antlr3EnumNext(), antlr3HashFree(), antlr3HashGet(), antlr3HashGetI(), antlr3HashPut(), antlr3HashPutI(), antlr3HashRemove(), and antlr3HashRemoveI()​.

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struct ANTLR3_HASH_ENTRY_struct* ANTLR3_HASH_ENTRY_struct::nextEntryPointer to the next entry in this bucket if there is one​. Sometimes different keys will hash to the same bucket (especially if the number of buckets is small)​. We could implement dual hashing algorithms to minimize this, but that seems over the top for what this is needed for​. Referenced by antlr3EnumNextEntry(), antlr3HashFree(), antlr3HashGet(), antlr3HashGetI(), antlr3HashPut(), antlr3HashPutI(), antlr3HashRemove(), and antlr3HashRemoveI()​.

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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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