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MIRROR: javascript for 🐜's, a tiny runtime with big ambitions ant.themackabu.dev
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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182#ifndef SILVER_CODE_UNIT_H#define SILVER_CODE_UNIT_H
#include <stdbool.h>#include <stddef.h>#include <stdint.h>#include "types.h"
typedef struct sv_code_block sv_code_block_t;
struct sv_code_unit { ant_t *js; sv_code_unit_t *next; sv_code_unit_t *outer;
sv_code_unit_t *pinned_prev; sv_code_unit_t *pinned_next;
sv_func_t *funcs; sv_code_block_t **blocks; ant_value_t *compile_roots; ant_value_t import_handler; ant_value_t import_referrer;
uint64_t gc_epoch; size_t block_count, block_cap; size_t compile_root_count, compile_root_cap; uint32_t pins;
bool compiling; bool immortal;};
typedef struct { sv_code_unit_t *units; sv_code_unit_t *pinned; sv_code_block_t *current; sv_code_block_t *spare; uint32_t spare_count; uint32_t unit_count; size_t held_bytes; ant_value_t *young_values; size_t young_len; size_t young_cap;
sv_code_unit_t *active; sv_func_t *unowned_funcs; sv_func_t **fb_watch; size_t fb_watch_len; size_t fb_watch_cap;} sv_code_units_t;
static constexpr size_t SV_CODE_UNIT_OVERHEAD = sizeof(sv_code_unit_t) + 8 * sizeof(void *);
sv_code_unit_t *sv_code_unit_begin(ant_t *js);const char *sv_code_text(ant_t *js, const char *code, size_t len);
void sv_code_unit_finish(sv_code_unit_t *unit);void *sv_code_bump(ant_t *js, size_t size);void *sv_code_unit_bump(sv_code_unit_t *unit, size_t size);void sv_code_unit_add_func(ant_t *js, sv_func_t *func);
bool sv_code_unit_root(ant_t *js, ant_value_t value);bool sv_code_unit_retain_template(ant_t *js, sv_func_t *func, ant_value_t value);bool sv_code_units_watch_feedback(sv_func_t *func, sv_func_t *callee);
void sv_code_unit_make_immortal(sv_func_t *func);void sv_code_unit_pin(sv_code_unit_t *unit);void sv_code_unit_unpin(sv_code_unit_t *unit);
static inline bool sv_code_unit_dying(const sv_code_unit_t *unit, uint64_t epoch) { return unit && !unit->compiling && !unit->pins && !unit->immortal && unit->gc_epoch != epoch;}
void sv_code_units_sweep(ant_t *js, uint64_t epoch);void sv_code_units_destroy(ant_t *js);
#endif