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Maix0 2024-08-24 17:18:47 +02:00
parent 9f37123e46
commit efb18f605c
8 changed files with 158 additions and 248 deletions
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35
parser/include/parser/external_scanner_state.h Normal file
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@ -0,0 +1,35 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* external_scanner_state.h :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/08/24 13:56:34 by maiboyer #+# #+# */
/* Updated: 2024/08/24 14:00:11 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#ifndef EXTERNAL_SCANNER_STATE_H
#define EXTERNAL_SCANNER_STATE_H
#include "me/types.h"
struct ExternalScannerState
{
char *long_data;
t_u32 length;
};
typedef struct ExternalScannerState ExternalScannerState;
typedef struct SubtreeHeapData SubtreeHeapData;
typedef const SubtreeHeapData *Subtree;
void ts_external_scanner_state_init(ExternalScannerState *self, const t_u8 *data, t_u32 length);
ExternalScannerState ts_external_scanner_state_copy(const ExternalScannerState *self);
void ts_external_scanner_state_delete(ExternalScannerState *self);
const t_u8 *ts_external_scanner_state_data(const ExternalScannerState *self);
bool ts_external_scanner_state_eq(const ExternalScannerState *self, const t_u8 *buffer, t_u32 length);
const ExternalScannerState *ts_subtree_external_scanner_state(Subtree self);
bool ts_subtree_external_scanner_state_eq(Subtree self, Subtree other);
#endif /* EXTERNAL_SCANNER_STATE_H */

21
parser/include/parser/subtree.h
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@ -4,6 +4,7 @@
#include "me/types.h"
#include "parser/api.h"
#include "parser/array.h"
#include "parser/external_scanner_state.h"
#include "parser/length.h"
#include "parser/parser.h"
#include <limits.h>
@ -15,26 +16,6 @@
#define TS_TREE_STATE_NONE USHRT_MAX
#define NULL_SUBTREE ((Subtree)NULL)
struct ExternalScannerState
{
union {
char *long_data;
};
t_u32 length;
};
// The serialized state of an external scanner.
//
// Every time an external token subtree is created after a call to an
// external scanner, the scanner's `serialize` function is called to
// retrieve a serialized copy of its state. The bytes are then copied
// onto the subtree itself so that the scanner's state can later be
// restored using its `deserialize` function.
//
// Small byte arrays are stored inline, and long ones are allocated
// separately on the heap.
typedef struct ExternalScannerState ExternalScannerState;
// A heap-allocated representation of a subtree.
//
// This representation is used for parent nodes, external tokens,