diff options
-rw-r--r-- | src/glsl/glcpp/Makefile.am | 1 | ||||
-rw-r--r-- | src/glsl/glcpp/hash_table.c | 159 | ||||
-rw-r--r-- | src/glsl/glcpp/hash_table.h | 125 | ||||
-rw-r--r-- | src/glsl/glcpp/main/imports.h | 6 | ||||
-rw-r--r-- | src/glsl/glcpp/main/simple_list.h | 235 |
5 files changed, 0 insertions, 526 deletions
diff --git a/src/glsl/glcpp/Makefile.am b/src/glsl/glcpp/Makefile.am index a49fd615cd..00c6c5610e 100644 --- a/src/glsl/glcpp/Makefile.am +++ b/src/glsl/glcpp/Makefile.am @@ -25,7 +25,6 @@ libglcpp_la_SOURCES = \ glcpp-lex.l \ glcpp-parse.y \ glcpp.h \ - hash_table.c \ pp.c \ xtalloc.c diff --git a/src/glsl/glcpp/hash_table.c b/src/glsl/glcpp/hash_table.c deleted file mode 100644 index e89a2564d7..0000000000 --- a/src/glsl/glcpp/hash_table.c +++ /dev/null @@ -1,159 +0,0 @@ -/* - * Copyright © 2008 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ - -/** - * \file hash_table.c - * \brief Implementation of a generic, opaque hash table data type. - * - * \author Ian Romanick <ian.d.romanick@intel.com> - */ - -#include "main/imports.h" -#include "main/simple_list.h" -#include "hash_table.h" - -struct node { - struct node *next; - struct node *prev; -}; - -struct hash_table { - hash_func_t hash; - hash_compare_func_t compare; - - unsigned num_buckets; - struct node buckets[1]; -}; - - -struct hash_node { - struct node link; - const void *key; - void *data; -}; - - -struct hash_table * -hash_table_ctor(unsigned num_buckets, hash_func_t hash, - hash_compare_func_t compare) -{ - struct hash_table *ht; - unsigned i; - - - if (num_buckets < 16) { - num_buckets = 16; - } - - ht = _mesa_malloc(sizeof(*ht) + ((num_buckets - 1) - * sizeof(ht->buckets[0]))); - if (ht != NULL) { - ht->hash = hash; - ht->compare = compare; - ht->num_buckets = num_buckets; - - for (i = 0; i < num_buckets; i++) { - make_empty_list(& ht->buckets[i]); - } - } - - return ht; -} - - -void -hash_table_dtor(struct hash_table *ht) -{ - hash_table_clear(ht); - _mesa_free(ht); -} - - -void -hash_table_clear(struct hash_table *ht) -{ - struct node *node; - struct node *temp; - unsigned i; - - - for (i = 0; i < ht->num_buckets; i++) { - foreach_s(node, temp, & ht->buckets[i]) { - remove_from_list(node); - _mesa_free(node); - } - - assert(is_empty_list(& ht->buckets[i])); - } -} - - -void * -hash_table_find(struct hash_table *ht, const void *key) -{ - const unsigned hash_value = (*ht->hash)(key); - const unsigned bucket = hash_value % ht->num_buckets; - struct node *node; - - foreach(node, & ht->buckets[bucket]) { - struct hash_node *hn = (struct hash_node *) node; - - if ((*ht->compare)(hn->key, key) == 0) { - return hn->data; - } - } - - return NULL; -} - - -void -hash_table_insert(struct hash_table *ht, void *data, const void *key) -{ - const unsigned hash_value = (*ht->hash)(key); - const unsigned bucket = hash_value % ht->num_buckets; - struct hash_node *node; - - node = _mesa_calloc(sizeof(*node)); - - node->data = data; - node->key = key; - - insert_at_head(& ht->buckets[bucket], & node->link); -} - - -unsigned -hash_table_string_hash(const void *key) -{ - const char *str = (const char *) key; - unsigned hash = 5381; - - - while (*str != '\0') { - hash = (hash * 33) + *str; - str++; - } - - return hash; -} diff --git a/src/glsl/glcpp/hash_table.h b/src/glsl/glcpp/hash_table.h deleted file mode 100644 index b9dd343dee..0000000000 --- a/src/glsl/glcpp/hash_table.h +++ /dev/null @@ -1,125 +0,0 @@ -/* - * Copyright © 2008 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ - -/** - * \file hash_table.h - * \brief Implementation of a generic, opaque hash table data type. - * - * \author Ian Romanick <ian.d.romanick@intel.com> - */ - -#ifndef HASH_TABLE_H -#define HASH_TABLE_H - -#ifdef __cplusplus -extern "C" { -#endif - -#include <string.h> - -struct hash_table; - -typedef unsigned (*hash_func_t)(const void *key); -typedef int (*hash_compare_func_t)(const void *key1, const void *key2); - -/** - * Hash table constructor - * - * Creates a hash table with the specified number of buckets. The supplied - * \c hash and \c compare routines are used when adding elements to the table - * and when searching for elements in the table. - * - * \param num_buckets Number of buckets (bins) in the hash table. - * \param hash Function used to compute hash value of input keys. - * \param compare Function used to compare keys. - */ -extern struct hash_table *hash_table_ctor(unsigned num_buckets, - hash_func_t hash, hash_compare_func_t compare); - - -/** - * Release all memory associated with a hash table - * - * \warning - * This function cannot release memory occupied either by keys or data. - */ -extern void hash_table_dtor(struct hash_table *ht); - - -/** - * Flush all entries from a hash table - * - * \param ht Table to be cleared of its entries. - */ -extern void hash_table_clear(struct hash_table *ht); - - -/** - * Search a hash table for a specific element - * - * \param ht Table to be searched - * \param key Key of the desired element - * - * \return - * The \c data value supplied to \c hash_table_insert when the element with - * the matching key was added. If no matching key exists in the table, - * \c NULL is returned. - */ -extern void *hash_table_find(struct hash_table *ht, const void *key); - - -/** - * Add an element to a hash table - */ -extern void hash_table_insert(struct hash_table *ht, void *data, - const void *key); - - -/** - * Compute hash value of a string - * - * Computes the hash value of a string using the DJB2 algorithm developed by - * Professor Daniel J. Bernstein. It was published on comp.lang.c once upon - * a time. I was unable to find the original posting in the archives. - * - * \param key Pointer to a NUL terminated string to be hashed. - * - * \sa hash_table_string_compare - */ -extern unsigned hash_table_string_hash(const void *key); - - -/** - * Compare two strings used as keys - * - * This is just a macro wrapper around \c strcmp. - * - * \sa hash_table_string_hash - */ -#define hash_table_string_compare ((hash_compare_func_t) strcmp) - -#ifdef __cplusplus -}; -#endif - -#endif /* HASH_TABLE_H */ diff --git a/src/glsl/glcpp/main/imports.h b/src/glsl/glcpp/main/imports.h deleted file mode 100644 index d2197342c0..0000000000 --- a/src/glsl/glcpp/main/imports.h +++ /dev/null @@ -1,6 +0,0 @@ -#include <assert.h> -#include <stdlib.h> - -#define _mesa_malloc(x) malloc(x) -#define _mesa_free(x) free(x) -#define _mesa_calloc(x) calloc(1,x) diff --git a/src/glsl/glcpp/main/simple_list.h b/src/glsl/glcpp/main/simple_list.h deleted file mode 100644 index 5ef39e14cc..0000000000 --- a/src/glsl/glcpp/main/simple_list.h +++ /dev/null @@ -1,235 +0,0 @@ -/** - * \file simple_list.h - * Simple macros for type-safe, intrusive lists. - * - * Intended to work with a list sentinal which is created as an empty - * list. Insert & delete are O(1). - * - * \author - * (C) 1997, Keith Whitwell - */ - -/* - * Mesa 3-D graphics library - * Version: 3.5 - * - * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - - -#ifndef _SIMPLE_LIST_H -#define _SIMPLE_LIST_H - -struct simple_node { - struct simple_node *next; - struct simple_node *prev; -}; - -/** - * Remove an element from list. - * - * \param elem element to remove. - */ -#define remove_from_list(elem) \ -do { \ - (elem)->next->prev = (elem)->prev; \ - (elem)->prev->next = (elem)->next; \ -} while (0) - -/** - * Insert an element to the list head. - * - * \param list list. - * \param elem element to insert. - */ -#define insert_at_head(list, elem) \ -do { \ - (elem)->prev = list; \ - (elem)->next = (list)->next; \ - (list)->next->prev = elem; \ - (list)->next = elem; \ -} while(0) - -/** - * Insert an element to the list tail. - * - * \param list list. - * \param elem element to insert. - */ -#define insert_at_tail(list, elem) \ -do { \ - (elem)->next = list; \ - (elem)->prev = (list)->prev; \ - (list)->prev->next = elem; \ - (list)->prev = elem; \ -} while(0) - -/** - * Move an element to the list head. - * - * \param list list. - * \param elem element to move. - */ -#define move_to_head(list, elem) \ -do { \ - remove_from_list(elem); \ - insert_at_head(list, elem); \ -} while (0) - -/** - * Move an element to the list tail. - * - * \param list list. - * \param elem element to move. - */ -#define move_to_tail(list, elem) \ -do { \ - remove_from_list(elem); \ - insert_at_tail(list, elem); \ -} while (0) - -/** - * Consatinate a cyclic list to a list - * - * Appends the sequence of nodes starting with \c tail to the list \c head. - * A "cyclic list" is a list that does not have a sentinal node. This means - * that the data pointed to by \c tail is an actual node, not a dataless - * sentinal. Note that if \c tail constist of a single node, this macro - * behaves identically to \c insert_at_tail - * - * \param head Head of the list to be appended to. This may or may not - * be a cyclic list. - * \param tail Head of the cyclic list to be appended to \c head. - * \param temp Temporary \c simple_list used by the macro - * - * \sa insert_at_tail - */ -#define concat_list_and_cycle(head, tail, temp) \ -do { \ - (head)->prev->next = (tail); \ - (tail)->prev->next = (head); \ - (temp) = (head)->prev; \ - (head)->prev = (tail)->prev; \ - (tail)->prev = (temp); \ -} while (0) - -#define concat_list(head, next_list) \ -do { \ - (next_list)->next->prev = (head)->prev; \ - (next_list)->prev->next = (head); \ - (head)->prev->next = (next_list)->next; \ - (head)->prev = (next_list)->prev; \ -} while (0) - -/** - * Make a empty list empty. - * - * \param sentinal list (sentinal element). - */ -#define make_empty_list(sentinal) \ -do { \ - (sentinal)->next = sentinal; \ - (sentinal)->prev = sentinal; \ -} while (0) - -/** - * Get list first element. - * - * \param list list. - * - * \return pointer to first element. - */ -#define first_elem(list) ((list)->next) - -/** - * Get list last element. - * - * \param list list. - * - * \return pointer to last element. - */ -#define last_elem(list) ((list)->prev) - -/** - * Get next element. - * - * \param elem element. - * - * \return pointer to next element. - */ -#define next_elem(elem) ((elem)->next) - -/** - * Get previous element. - * - * \param elem element. - * - * \return pointer to previous element. - */ -#define prev_elem(elem) ((elem)->prev) - -/** - * Test whether element is at end of the list. - * - * \param list list. - * \param elem element. - * - * \return non-zero if element is at end of list, or zero otherwise. - */ -#define at_end(list, elem) ((elem) == (list)) - -/** - * Test if a list is empty. - * - * \param list list. - * - * \return non-zero if list empty, or zero otherwise. - */ -#define is_empty_list(list) ((list)->next == (list)) - -/** - * Walk through the elements of a list. - * - * \param ptr pointer to the current element. - * \param list list. - * - * \note It should be followed by a { } block or a single statement, as in a \c - * for loop. - */ -#define foreach(ptr, list) \ - for( ptr=(list)->next ; ptr!=list ; ptr=(ptr)->next ) - -/** - * Walk through the elements of a list. - * - * Same as #foreach but lets you unlink the current value during a list - * traversal. Useful for freeing a list, element by element. - * - * \param ptr pointer to the current element. - * \param t temporary pointer. - * \param list list. - * - * \note It should be followed by a { } block or a single statement, as in a \c - * for loop. - */ -#define foreach_s(ptr, t, list) \ - for(ptr=(list)->next,t=(ptr)->next; list != ptr; ptr=t, t=(t)->next) - -#endif |