Rename receiver parameter to 'self'

This commit is contained in:
Max Brunsfeld 2015-10-14 21:52:13 -07:00
parent 02e549202f
commit 216ce8c80b
7 changed files with 436 additions and 443 deletions

View file

@ -29,43 +29,43 @@ struct Stack {
*/
Stack *ts_stack_new(TreeSelectionCallback tree_selection_callback) {
Stack *this = malloc(sizeof(Stack));
*this = (Stack){
Stack *self = malloc(sizeof(Stack));
*self = (Stack){
.heads = calloc(INITIAL_HEAD_CAPACITY, sizeof(StackNode *)),
.head_count = 1,
.head_capacity = INITIAL_HEAD_CAPACITY,
.tree_selection_callback = tree_selection_callback,
};
return this;
return self;
}
void ts_stack_delete(Stack *this) {
free(this->heads);
free(this);
void ts_stack_delete(Stack *self) {
free(self->heads);
free(self);
}
/*
* Section: Reading from the stack
*/
TSStateId ts_stack_top_state(const Stack *this, int head) {
StackEntry *entry = ts_stack_head((Stack *)this, head);
TSStateId ts_stack_top_state(const Stack *self, int head) {
StackEntry *entry = ts_stack_head((Stack *)self, head);
return entry ? entry->state : 0;
}
TSTree *ts_stack_top_tree(const Stack *this, int head) {
StackEntry *entry = ts_stack_head((Stack *)this, head);
TSTree *ts_stack_top_tree(const Stack *self, int head) {
StackEntry *entry = ts_stack_head((Stack *)self, head);
return entry ? entry->tree : NULL;
}
StackEntry *ts_stack_head(Stack *this, int head) {
assert(head < this->head_count);
StackNode *node = this->heads[head];
StackEntry *ts_stack_head(Stack *self, int head) {
assert(head < self->head_count);
StackNode *node = self->heads[head];
return node ? &node->entry : NULL;
}
int ts_stack_head_count(const Stack *this) {
return this->head_count;
int ts_stack_head_count(const Stack *self) {
return self->head_count;
}
int ts_stack_entry_next_count(const StackEntry *entry) {
@ -80,23 +80,23 @@ StackEntry *ts_stack_entry_next(const StackEntry *entry, int i) {
* Section: Manipulating nodes (Private)
*/
static void stack_node_retain(StackNode *this) {
if (!this)
static void stack_node_retain(StackNode *self) {
if (!self)
return;
assert(this->ref_count != 0);
this->ref_count++;
assert(self->ref_count != 0);
self->ref_count++;
}
static bool stack_node_release(StackNode *this) {
if (!this)
static bool stack_node_release(StackNode *self) {
if (!self)
return false;
assert(this->ref_count != 0);
this->ref_count--;
if (this->ref_count == 0) {
for (int i = 0; i < this->successor_count; i++)
stack_node_release(this->successors[i]);
ts_tree_release(this->entry.tree);
free(this);
assert(self->ref_count != 0);
self->ref_count--;
if (self->ref_count == 0) {
for (int i = 0; i < self->successor_count; i++)
stack_node_release(self->successors[i]);
ts_tree_release(self->entry.tree);
free(self);
return true;
} else {
return false;
@ -104,10 +104,10 @@ static bool stack_node_release(StackNode *this) {
}
static StackNode *stack_node_new(StackNode *next, TSStateId state, TSTree *tree) {
StackNode *this = malloc(sizeof(StackNode));
StackNode *self = malloc(sizeof(StackNode));
ts_tree_retain(tree);
stack_node_retain(next);
*this = (StackNode){
*self = (StackNode){
.ref_count = 1,
.successor_count = 1,
.successors = { next, NULL, NULL },
@ -116,10 +116,10 @@ static StackNode *stack_node_new(StackNode *next, TSStateId state, TSTree *tree)
.state = state, .tree = tree,
},
};
return this;
return self;
}
static void ts_stack__add_node_successor(Stack *this, StackNode *node,
static void ts_stack__add_node_successor(Stack *self, StackNode *node,
StackNode *new_successor) {
for (int i = 0; i < node->successor_count; i++) {
StackNode *successor = node->successors[i];
@ -127,11 +127,11 @@ static void ts_stack__add_node_successor(Stack *this, StackNode *node,
return;
if (successor->entry.state == new_successor->entry.state) {
if (successor->entry.tree != new_successor->entry.tree)
successor->entry.tree = this->tree_selection_callback.callback(
this->tree_selection_callback.data, successor->entry.tree,
successor->entry.tree = self->tree_selection_callback.callback(
self->tree_selection_callback.data, successor->entry.tree,
new_successor->entry.tree);
for (int j = 0; j < new_successor->successor_count; j++)
ts_stack__add_node_successor(this, successor,
ts_stack__add_node_successor(self, successor,
new_successor->successors[j]);
return;
}
@ -146,45 +146,45 @@ static void ts_stack__add_node_successor(Stack *this, StackNode *node,
* Section: Mutating the stack (Private)
*/
static int ts_stack__add_head(Stack *this, StackNode *node) {
if (this->head_count == this->head_capacity) {
this->head_capacity += 3;
this->heads =
realloc(this->heads, this->head_capacity * sizeof(StackNode *));
static int ts_stack__add_head(Stack *self, StackNode *node) {
if (self->head_count == self->head_capacity) {
self->head_capacity += 3;
self->heads =
realloc(self->heads, self->head_capacity * sizeof(StackNode *));
}
int new_index = this->head_count++;
this->heads[new_index] = node;
int new_index = self->head_count++;
self->heads[new_index] = node;
stack_node_retain(node);
return new_index;
}
static int ts_stack__find_or_add_head(Stack *this, StackNode *node) {
for (int i = 0; i < this->head_count; i++)
if (this->heads[i] == node) {
static int ts_stack__find_or_add_head(Stack *self, StackNode *node) {
for (int i = 0; i < self->head_count; i++)
if (self->heads[i] == node) {
return i;
}
return ts_stack__add_head(this, node);
return ts_stack__add_head(self, node);
}
void ts_stack_remove_head(Stack *this, int head_index) {
stack_node_release(this->heads[head_index]);
for (int i = head_index; i < this->head_count - 1; i++) {
this->heads[head_index] = this->heads[head_index + 1];
void ts_stack_remove_head(Stack *self, int head_index) {
stack_node_release(self->heads[head_index]);
for (int i = head_index; i < self->head_count - 1; i++) {
self->heads[head_index] = self->heads[head_index + 1];
}
this->head_count--;
self->head_count--;
}
static bool ts_stack__merge_head(Stack *this, int head_index, TSStateId state,
static bool ts_stack__merge_head(Stack *self, int head_index, TSStateId state,
TSTree *tree) {
for (int i = 0; i < head_index; i++) {
StackNode *head = this->heads[i];
StackNode *head = self->heads[i];
if (head->entry.state == state) {
if (head->entry.tree != tree) {
head->entry.tree = this->tree_selection_callback.callback(
this->tree_selection_callback.data, head->entry.tree, tree);
head->entry.tree = self->tree_selection_callback.callback(
self->tree_selection_callback.data, head->entry.tree, tree);
}
ts_stack__add_node_successor(this, head, this->heads[head_index]);
ts_stack_remove_head(this, head_index);
ts_stack__add_node_successor(self, head, self->heads[head_index]);
ts_stack_remove_head(self, head_index);
return true;
}
}
@ -195,29 +195,29 @@ static bool ts_stack__merge_head(Stack *this, int head_index, TSStateId state,
* Section: Mutating the stack (Public)
*/
bool ts_stack_push(Stack *this, int head_index, TSStateId state, TSTree *tree) {
assert(head_index < this->head_count);
if (ts_stack__merge_head(this, head_index, state, tree))
bool ts_stack_push(Stack *self, int head_index, TSStateId state, TSTree *tree) {
assert(head_index < self->head_count);
if (ts_stack__merge_head(self, head_index, state, tree))
return true;
this->heads[head_index] = stack_node_new(this->heads[head_index], state, tree);
self->heads[head_index] = stack_node_new(self->heads[head_index], state, tree);
return false;
}
void ts_stack_add_alternative(Stack *this, int head_index, TSTree *tree) {
assert(head_index < this->head_count);
StackEntry *entry = &this->heads[head_index]->entry;
entry->tree = this->tree_selection_callback.callback(
this->tree_selection_callback.data, entry->tree, tree);
void ts_stack_add_alternative(Stack *self, int head_index, TSTree *tree) {
assert(head_index < self->head_count);
StackEntry *entry = &self->heads[head_index]->entry;
entry->tree = self->tree_selection_callback.callback(
self->tree_selection_callback.data, entry->tree, tree);
}
int ts_stack_split(Stack *this, int head_index) {
assert(head_index < this->head_count);
return ts_stack__add_head(this, this->heads[head_index]);
int ts_stack_split(Stack *self, int head_index) {
assert(head_index < self->head_count);
return ts_stack__add_head(self, self->heads[head_index]);
}
StackPopResultList ts_stack_pop(Stack *this, int head_index, int child_count,
StackPopResultList ts_stack_pop(Stack *self, int head_index, int child_count,
bool count_extra) {
StackNode *previous_head = this->heads[head_index];
StackNode *previous_head = self->heads[head_index];
int path_count = 1;
int capacity = (child_count == -1) ? STARTING_TREE_CAPACITY : child_count;
@ -280,13 +280,13 @@ StackPopResultList ts_stack_pop(Stack *this, int head_index, int child_count,
int index = -1;
if (path == 0) {
stack_node_retain(nodes_by_path[path]);
this->heads[head_index] = nodes_by_path[path];
self->heads[head_index] = nodes_by_path[path];
index = head_index;
} else {
index = ts_stack__find_or_add_head(this, nodes_by_path[path]);
index = ts_stack__find_or_add_head(self, nodes_by_path[path]);
}
this->last_pop_results[path] = (StackPopResult){
self->last_pop_results[path] = (StackPopResult){
.index = index,
.tree_count = trees_by_path[path].size,
.trees = trees_by_path[path].contents,
@ -295,12 +295,12 @@ StackPopResultList ts_stack_pop(Stack *this, int head_index, int child_count,
stack_node_release(previous_head);
return (StackPopResultList){
.size = path_count, .contents = this->last_pop_results,
.size = path_count, .contents = self->last_pop_results,
};
}
void ts_stack_shrink(Stack *this, int head_index, int count) {
StackNode *head = this->heads[head_index];
void ts_stack_shrink(Stack *self, int head_index, int count) {
StackNode *head = self->heads[head_index];
StackNode *new_head = head;
for (int i = 0; i < count; i++) {
if (new_head->successor_count == 0)
@ -309,12 +309,12 @@ void ts_stack_shrink(Stack *this, int head_index, int count) {
}
stack_node_retain(new_head);
stack_node_release(head);
this->heads[head_index] = new_head;
self->heads[head_index] = new_head;
}
void ts_stack_clear(Stack *this) {
for (int i = 0; i < this->head_count; i++)
stack_node_release(this->heads[i]);
this->head_count = 1;
this->heads[0] = NULL;
void ts_stack_clear(Stack *self) {
for (int i = 0; i < self->head_count; i++)
stack_node_release(self->heads[i]);
self->head_count = 1;
self->heads[0] = NULL;
}