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Clean up stack

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This commit is contained in:
Max Brunsfeld 2016-02-25 21:46:13 -08:00
parent 1850951b4f
commit 5a34d74702
5 changed files with 117 additions and 116 deletions
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19
src/runtime/stack.h
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@ -50,18 +50,18 @@ int ts_stack_head_count(const Stack *);
* Get the state at given head of the stack. If the stack is empty, this
* returns the initial state (0).
*/
TSStateId ts_stack_top_state(const Stack *, int head);
TSStateId ts_stack_top_state(const Stack *, int head_index);
/*
* Get the position of the given head of the stack. If the stack is empty, this
* returns {0, 0}.
*/
TSLength ts_stack_top_position(const Stack *, int head);
TSLength ts_stack_top_position(const Stack *, int head_index);
/*
* Get the entry at the given head of the stack.
*/
StackEntry *ts_stack_head(Stack *, int head);
StackEntry *ts_stack_head(Stack *, int head_index);
/*
* Get the number of successors for the parse stack entry.
@ -71,13 +71,13 @@ int ts_stack_entry_next_count(const StackEntry *);
/*
* Get the given successor for the parse stack entry.
*/
StackEntry *ts_stack_entry_next(const StackEntry *, int);
StackEntry *ts_stack_entry_next(const StackEntry *, int head_index);
/*
* Push a (tree, state) pair onto the given head of the stack. This could cause
* the head to merge with an existing head.
*/
StackPushResult ts_stack_push(Stack *, int head, TSStateId, TSTree *);
StackPushResult ts_stack_push(Stack *, int head_index, TSTree *, TSStateId);
/*
* Pop the given number of entries from the given head of the stack. This
@ -85,24 +85,25 @@ StackPushResult ts_stack_push(Stack *, int head, TSStateId, TSTree *);
* which had previously been merged. It returns a struct that indicates the
* index of each revealed head and the trees removed from that head.
*/
StackPopResultArray ts_stack_pop(Stack *, int head, int count, bool count_extra);
StackPopResultArray ts_stack_pop(Stack *, int head_index, int count,
bool count_extra);
/*
* Remove the given number of entries from the given head of the stack.
*/
void ts_stack_shrink(Stack *, int head, int count);
void ts_stack_shrink(Stack *, int head_index, int count);
/*
* Split the given stack head into two heads, so that the stack can be
* transformed from its current state in multiple alternative ways. Returns
* the index of the newly-created head.
*/
int ts_stack_split(Stack *, int head);
int ts_stack_split(Stack *, int head_index);
/*
* Remove the given head from the stack.
*/
void ts_stack_remove_head(Stack *, int head);
void ts_stack_remove_head(Stack *, int head_index);
/*
* Remove all entries from the stack.