ant.h
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ant.h
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	#ifndef ANT_H
	#define ANT_H

	#pragma once
	#define PCRE2_CODE_UNIT_WIDTH 8

	#include <config.h>
	#include <stdbool.h>
	#include <stddef.h>
	#include <stdint.h>
	#include <stdio.h>

	#define STR_PROTO "__proto__"
	#define STR_PROTO_LEN 9

	#define ANT_STRING(s) js_mkstr(js, s, sizeof(s) - 1)
	#define ANT_PTR(ptr) js_mknum((unsigned long)(ptr))
	#define ANT_COPY(buf, len, s) cpy(buf, len, s, sizeof(s) - 1)

	struct js;

	typedef uint32_t jsoff_t;
	typedef uint64_t jsval_t;

	#define ANT_LIMIT_SIZE_CACHE 16384
	#define GC_FWD_ARGS jsval_t (fwd_val)(void ctx, jsval_t old), void *ctx
	#define GC_UPDATE_ARGS struct js js, jsoff_t (fwd_off)(void *ctx, jsoff_t old), GC_FWD_ARGS

	enum {
	JS_UNDEF, JS_NULL, JS_TRUE, JS_FALSE, JS_STR, JS_NUM,
	JS_ERR, JS_PRIV, JS_PROMISE, JS_OBJ, JS_FUNC, JS_SYMBOL
	};

	typedef enum {
	JS_ERR_TYPE,
	JS_ERR_SYNTAX,
	JS_ERR_REFERENCE,
	JS_ERR_RANGE,
	JS_ERR_EVAL,
	JS_ERR_URI,
	JS_ERR_INTERNAL,
	JS_ERR_AGGREGATE,
	JS_ERR_GENERIC
	} js_err_type_t;

	#define JS_DESC_W (1 << 0)
	#define JS_DESC_E (1 << 1)
	#define JS_DESC_C (1 << 2)

	struct js js_create(void buf, size_t len);
	struct js *js_create_dynamic(size_t initial_size, size_t max_size);

	jsval_t js_glob(struct js *);
	jsval_t js_mkscope(struct js *);
	jsval_t js_getscope(struct js *);
	jsval_t js_eval(struct js , const char , size_t);

	void js_destroy(struct js *);
	void js_delscope(struct js *);
	bool js_truthy(struct js *, jsval_t);
	void js_setmaxcss(struct js *, size_t);

	uint32_t js_to_uint32(double d);
	int32_t js_to_int32(double d);

	bool js_chkargs(jsval_t , int, const char );
	void js_set_filename(struct js , const char );
	void js_stats(struct js , size_t total, size_t min, size_t cstacksize);
	size_t js_getbrk(struct js *);

	jsval_t js_mkundef(void);
	jsval_t js_mknull(void);
	jsval_t js_mktrue(void);
	jsval_t js_mkfalse(void);
	jsval_t js_mknum(double);

	jsval_t js_getthis(struct js *);
	void js_setthis(struct js *, jsval_t);

	jsval_t js_getcurrentfunc(struct js *);
	jsval_t js_get(struct js , jsval_t, const char );
	jsval_t js_getprop_proto(struct js , jsval_t, const char );
	bool js_iter(struct js js, jsval_t iterable, bool (callback)(struct js js, jsval_t value, void udata), void *udata);

	uint64_t js_sym_id(jsval_t sym);
	const char js_sym_desc(struct js js, jsval_t sym);

	jsval_t js_mksym_for(struct js , const char key);
	const char *js_sym_key(jsval_t sym);

	jsval_t js_mkobj(struct js *);
	jsval_t js_newobj(struct js *);
	jsval_t js_mkarr(struct js *);
	void js_arr_push(struct js *, jsval_t arr, jsval_t val);
	jsval_t js_mkstr(struct js , const void , size_t);
	jsval_t js_mksym(struct js , const char desc);
	jsval_t js_mkerr(struct js js, const char fmt, ...);
	jsval_t js_mkerr_typed(struct js js, js_err_type_t err_type, const char fmt, ...);
	jsval_t js_mkfun(jsval_t (fn)(struct js , jsval_t *, int));
	jsval_t js_heavy_mkfun(struct js js, jsval_t (fn)(struct js , jsval_t , int), jsval_t data);
	jsval_t js_mkprop_fast(struct js js, jsval_t obj, const char key, size_t len, jsval_t v);

	jsval_t js_call(struct js js, jsval_t func, jsval_t args, int nargs);
	jsval_t js_call_with_this(struct js js, jsval_t func, jsval_t this_val, jsval_t args, int nargs);

	void js_set(struct js , jsval_t, const char , jsval_t);
	bool js_del(struct js , jsval_t obj, const char key);
	void js_merge_obj(struct js *, jsval_t dst, jsval_t src);

	jsval_t js_setprop(struct js *, jsval_t obj, jsval_t key, jsval_t val);
	jsval_t js_setprop_nonconfigurable(struct js , jsval_t obj, const char key, size_t keylen, jsval_t val);
	void js_set_proto(struct js *, jsval_t obj, jsval_t proto);

	jsval_t js_get_proto(struct js *, jsval_t obj);
	jsval_t js_get_ctor_proto(struct js , const char name, size_t len);
	jsval_t js_tostring_val(struct js *js, jsval_t value);

	int js_type(jsval_t val);
	int js_type_ex(struct js *js, jsval_t val);

	int js_getbool(jsval_t val);
	uint8_t vtype(jsval_t val);
	size_t vdata(jsval_t val);

	double js_getnum(jsval_t val);
	char js_getstr(struct js js, jsval_t val, size_t *len);

	const char js_str(struct js , jsval_t val);

	typedef struct {
	jsval_t obj;
	void *current;
	void *js_internal;
	} js_prop_iter_t;

	js_prop_iter_t js_prop_iter_begin(struct js *js, jsval_t obj);
	bool js_prop_iter_next(js_prop_iter_t iter, const char key, size_t key_len, jsval_t *value);
	void js_prop_iter_end(js_prop_iter_t *iter);

	jsval_t js_obj_to_func(jsval_t obj);
	jsval_t js_mkpromise(struct js *js);

	jsval_t js_mktypedarray(void *data);
	void *js_gettypedarray(jsval_t val);

	jsval_t js_mkffi(unsigned int index);
	int js_getffi(jsval_t val);

	void js_resolve_promise(struct js *js, jsval_t promise, jsval_t value);
	void js_reject_promise(struct js *js, jsval_t promise, jsval_t value);
	void js_check_unhandled_rejections(struct js *js);
	void js_process_promise_handlers(struct js *js, uint32_t promise_id);

	void js_run_event_loop(struct js *js);
	void js_poll_events(struct js *js);
	void js_setup_import_meta(struct js js, const char filename);

	typedef jsval_t (ant_library_init_fn)(struct js js);
	void ant_register_library(ant_library_init_fn init_fn, const char *name, ...);

	#define ant_standard_library(name, lib) \
	ant_register_library(lib, name, "ant:" name, "node:" name, NULL)

	typedef jsval_t (js_getter_fn)(struct js js, jsval_t obj, const char *key, size_t key_len);
	typedef bool (js_setter_fn)(struct js js, jsval_t obj, const char *key, size_t key_len, jsval_t value);

	void js_set_getter(struct js *js, jsval_t obj, js_getter_fn getter);
	void js_set_setter(struct js *js, jsval_t obj, js_setter_fn setter);

	void js_set_descriptor(struct js js, jsval_t obj, const char key, size_t klen, int flags);
	void js_set_getter_desc(struct js js, jsval_t obj, const char key, size_t klen, jsval_t getter, int flags);
	void js_set_setter_desc(struct js js, jsval_t obj, const char key, size_t klen, jsval_t setter, int flags);
	void js_set_accessor_desc(struct js js, jsval_t obj, const char key, size_t klen, jsval_t getter, jsval_t setter, int flags);

	jsval_t js_get_slot(struct js *js, jsval_t obj, internal_slot_t slot);
	void js_set_slot(struct js *js, jsval_t obj, internal_slot_t slot, jsval_t value);

	bool js_is_slot_prop(jsoff_t header);
	jsoff_t js_next_prop(jsoff_t header);
	jsoff_t js_loadoff(struct js *js, jsoff_t off);

	void js_print_stack_trace(FILE *stream);
	void js_set_needs_gc(struct js *js, bool needs);
	void js_set_gc_suppress(struct js *js, bool suppress);

	size_t js_gc_compact(struct js *js);

	#endif

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