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sugar.h
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sugar.h
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#ifndef SUGAR_H
#define SUGAR_H
#include "types.h"
#include <stddef.h>
#include <stdlib.h>
#include <utarray.h>
#include <minicoro.h>
#define CORO_MALLOC(size) calloc(1, size)
#define CORO_FREE(ptr) free(ptr)
#define CORO_PER_TICK_LIMIT 100000
typedef enum {
CORO_ASYNC_AWAIT,
CORO_GENERATOR,
CORO_ASYNC_GENERATOR
} coroutine_type_t;
typedef struct coroutine {
struct js *js;
coroutine_type_t type;
jsval_t scope;
jsval_t this_val;
jsval_t super_val;
jsval_t new_target;
jsval_t awaited_promise;
jsval_t result;
jsval_t async_func;
jsval_t *args;
int nargs;
bool is_settled;
bool is_error;
bool is_done;
jsoff_t resume_point;
jsval_t yield_value;
struct coroutine *prev;
struct coroutine *next;
mco_coro* mco;
bool mco_started;
bool is_ready;
struct for_let_ctx *for_let_stack;
int for_let_stack_len;
int for_let_stack_cap;
UT_array *scope_stack;
} coroutine_t;
typedef struct {
coroutine_t *head;
coroutine_t *tail;
} coroutine_queue_t;
typedef struct {
struct js *js;
const char *code;
size_t code_len;
jsval_t closure_scope;
jsval_t result;
jsval_t promise;
bool has_error;
coroutine_t *coro;
} async_exec_context_t;
typedef struct {
jsval_t scope;
UT_array *scope_stack;
} coro_saved_state_t;
extern coroutine_queue_t pending_coroutines;
extern uint32_t coros_this_tick;
void enqueue_coroutine(coroutine_t *coro);
void remove_coroutine(coroutine_t *coro);
void free_coroutine(coroutine_t *coro);
coro_saved_state_t coro_enter(struct js *js, coroutine_t *coro);
void coro_leave(struct js *js, coroutine_t *coro, coro_saved_state_t saved);
jsval_t start_async_in_coroutine(struct js *js, const char *code, size_t code_len, jsval_t closure_scope, jsval_t *args, int nargs);
jsval_t resume_coroutine_wrapper(struct js *js, jsval_t *args, int nargs);
jsval_t reject_coroutine_wrapper(struct js *js, jsval_t *args, int nargs);
bool has_ready_coroutines(void);
bool has_pending_coroutines(void);
#endif

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