traxys/tree-sitter
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Handle multiple ubiquitous in a row

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This commit is contained in:
Max Brunsfeld 2014-08-31 12:10:31 -07:00
parent a75686b017
commit 85d8c9df5c
4 changed files with 144 additions and 39 deletions
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16
src/runtime/stack.h
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@ -7,14 +7,15 @@ extern "C" {
#include "tree_sitter/parser.h"
typedef struct {
TSTree *node;
TSStateId state;
} TSStackEntry;
typedef struct {
size_t size;
size_t capacity;
struct {
TSTree *node;
TSStateId state;
int is_extra;
} *entries;
TSStackEntry *entries;
} TSStack;
TSStack ts_stack_make();
@ -25,6 +26,11 @@ TSStateId ts_stack_top_state(const TSStack *stack);
TSTree *ts_stack_top_node(const TSStack *stack);
size_t ts_stack_right_position(const TSStack *stack);
#define TS_STACK_FROM_TOP(stack, entry, index) \
size_t index = stack.size - 1; \
for (TSStackEntry *entry = stack.entries + stack.size - 1; \
entry >= stack.entries; entry-- && index--)
#ifdef __cplusplus
}
#endif