traxys/tree-sitter
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Make stack popping more robust

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This commit is contained in:
Max Brunsfeld 2015-11-20 00:01:53 -08:00
parent 64874449e4
commit c88e9044d5
6 changed files with 328 additions and 151 deletions
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12
src/runtime/stack.h
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@ -6,6 +6,7 @@ extern "C" {
#endif
#include "tree_sitter/parser.h"
#include "runtime/vector.h"
typedef struct Stack Stack;
@ -15,16 +16,11 @@ typedef struct {
} StackEntry;
typedef struct {
int index;
int tree_count;
TSTree **trees;
size_t tree_count;
int head_index;
} StackPopResult;
typedef struct {
int size;
StackPopResult *contents;
} StackPopResultList;
typedef struct {
void *data;
TSTree *(*callback)(void *data, TSTree *, TSTree *);
@ -90,7 +86,7 @@ void ts_stack_add_alternative(Stack *, int head, 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.
*/
StackPopResultList ts_stack_pop(Stack *, int head, int count, bool count_extra);
Vector ts_stack_pop(Stack *, int head, int count, bool count_extra);
/*
* Remove the given number of entries from the given head of the stack.