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https://github.com/fish-shell/fish-shell
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style fixups
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e52a04e341
commit
973097f025
4 changed files with 18 additions and 26 deletions
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@ -27,10 +27,7 @@ file_access_attempt_t access_file(const wcstring &path, int mode);
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struct autoload_function_t {
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struct autoload_function_t {
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explicit autoload_function_t(bool placeholder)
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explicit autoload_function_t(bool placeholder)
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: access(),
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: access(), is_loaded(false), is_placeholder(placeholder), is_internalized(false) {}
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is_loaded(false),
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is_placeholder(placeholder),
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is_internalized(false) {}
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/// The last access attempt recorded
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/// The last access attempt recorded
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file_access_attempt_t access;
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file_access_attempt_t access;
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@ -82,7 +79,6 @@ class autoload_t : public lru_cache_t<autoload_t, autoload_function_t> {
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virtual void command_removed(const wcstring &cmd) { UNUSED(cmd); }
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virtual void command_removed(const wcstring &cmd) { UNUSED(cmd); }
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public:
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public:
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// CRTP override
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// CRTP override
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void entry_was_evicted(wcstring key, autoload_function_t node);
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void entry_was_evicted(wcstring key, autoload_function_t node);
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@ -1128,9 +1128,7 @@ class test_lru_t : public lru_cache_t<test_lru_t, int> {
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std::vector<std::pair<wcstring, int>> evicted;
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std::vector<std::pair<wcstring, int>> evicted;
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void entry_was_evicted(wcstring key, int val) {
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void entry_was_evicted(wcstring key, int val) { evicted.push_back({key, val}); }
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evicted.push_back({key, val});
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}
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};
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};
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static void test_lru(void) {
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static void test_lru(void) {
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@ -155,8 +155,8 @@ class history_lru_item_t {
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class history_lru_cache_t : public lru_cache_t<history_lru_cache_t, history_lru_item_t> {
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class history_lru_cache_t : public lru_cache_t<history_lru_cache_t, history_lru_item_t> {
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typedef lru_cache_t<history_lru_cache_t, history_lru_item_t> super;
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typedef lru_cache_t<history_lru_cache_t, history_lru_item_t> super;
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public:
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public:
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using super::super;
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using super::super;
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/// Function to add a history item.
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/// Function to add a history item.
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26
src/lru.h
26
src/lru.h
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@ -8,19 +8,19 @@
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#include "common.h"
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#include "common.h"
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// Least-recently-used cache class
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// Least-recently-used cache class.
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//
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// This a map from wcstring to CONTENTS, that will evict entries when the count exceeds the maximum.
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// This a map from wcstring to CONTENTS, that will evict entries when the count exceeds the maximum.
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// It uses CRTP to inform clients when entries are evicted. This uses the classic LRU cache structure:
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// It uses CRTP to inform clients when entries are evicted. This uses the classic LRU cache
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// a dictionary mapping keys to nodes, where the nodes also form a linked list. Our linked list is
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// structure: a dictionary mapping keys to nodes, where the nodes also form a linked list. Our
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// circular and has a sentinel node (the "mouth" - picture a snake swallowing its tail). This simplifies
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// linked list is circular and has a sentinel node (the "mouth" - picture a snake swallowing its
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// the logic: no pointer is ever NULL! It also works well with C++'s iterator since the sentinel node
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// tail). This simplifies the logic: no pointer is ever NULL! It also works well with C++'s iterator
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// is a natural value for end(). Our nodes also have the unusual property of having a "back pointer":
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// since the sentinel node is a natural value for end(). Our nodes also have the unusual property of
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// they store an iterator to the entry in the map containing the node. This allows us, given a node, to
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// having a "back pointer": they store an iterator to the entry in the map containing the node. This
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// immediately locate the node and its key in the dictionary. This allows us to avoid duplicating the key
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// allows us, given a node, to immediately locate the node and its key in the dictionary. This
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// in the node.
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// allows us to avoid duplicating the key in the node.
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template <class DERIVED, class CONTENTS>
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template <class DERIVED, class CONTENTS>
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class lru_cache_t {
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class lru_cache_t {
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struct lru_node_t;
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struct lru_node_t;
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typedef typename std::map<wcstring, lru_node_t>::iterator node_iter_t;
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typedef typename std::map<wcstring, lru_node_t>::iterator node_iter_t;
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@ -44,12 +44,9 @@ class lru_cache_t {
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// The value from the client
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// The value from the client
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CONTENTS value;
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CONTENTS value;
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explicit lru_node_t(CONTENTS v) :
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explicit lru_node_t(CONTENTS v) : value(std::move(v)) {}
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value(std::move(v))
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{}
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};
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};
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// Max node count. This may be (transiently) exceeded by add_node_without_eviction, which is
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// Max node count. This may be (transiently) exceeded by add_node_without_eviction, which is
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// used from background threads.
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// used from background threads.
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const size_t max_node_count;
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const size_t max_node_count;
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@ -190,6 +187,7 @@ class lru_cache_t {
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// Iterator for walking nodes, from least recently used to most.
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// Iterator for walking nodes, from least recently used to most.
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class iterator {
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class iterator {
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lru_link_t *node;
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lru_link_t *node;
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public:
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public:
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typedef std::pair<const wcstring &, const CONTENTS &> value_type;
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typedef std::pair<const wcstring &, const CONTENTS &> value_type;
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