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runtime.wast
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runtime.wast
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;; memory management
(global $-totmem (mut i32) (i32.const 0))
(func $-initruntime
(set_global $-totmem (i32.mul (i32.const 65536) (current_memory)))
(i32.store (i32.const 0) (i32.sub (i32.mul (i32.const 65536) (current_memory)) (i32.const 8)))
(set_global $-mindex (call $-alloc (i32.const 8)))
)
;; function wrapper
(global $-calls (mut i32) (i32.const 0))
(func $-funcstart
(if (i32.le_u (get_global $-calls) (i32.const 1))(then
;; (set_global $-passdown_mark (i32.and (i32.add (get_global $-passdown_mark) (i32.const 1)) (i32.const 127)))
(call $-zerorefs)
(call $-garbagecollect)
))
(set_global $-calls (i32.add (get_global $-calls) (i32.const 1)))
)
(global $-gc_pending (mut i32) (i32.const 1))
(func $-funcend (param $ret i32) (result i32)
(if (get_global $-calls) (then
(set_global $-calls (i32.sub (get_global $-calls) (i32.const 1)))
(if (get_local $ret)(then
(set_global $-passdown_mark (i32.and (i32.add (get_global $-passdown_mark) (i32.const 1)) (i32.const 127)))
(call $-passdown (get_local $ret))
))
(if (i32.gt_u (get_global $-gc_pending) (get_global $-calls))(then
(call $-garbagecollect)
))
))
(get_local $ret)
)
;; allocate memory
(global $-last_alloc (mut i32) (i32.const 0))
(func $-alloc (param $len i32) (result i32)
(local $offset i32)
(local $offset2 i32)
(local $space i32)
(local $space2 i32)
(local $totmem i32)
(local $allowgrow i32)
(if (get_global $-last_alloc)(then
(set_local $offset (i32.sub (get_global $-last_alloc) (i32.const 8)))
(set_local $offset (i32.sub (get_local $offset) (i32.load (get_local $offset))))
)(else
(set_local $allowgrow (i32.const 1))
))
;; how much space is here at the beginning?
(set_local $space (i32.load (get_local $offset)))
;; round down to nearest multiple of 8
(set_local $space (i32.and (get_local $space) (i32.const -8) ) )
(block(loop
;; is there enough space here?
(br_if 1 (i32.gt_u (get_local $space) (i32.add (get_local $len) (i32.const 32))))
;; skip the space
(set_local $offset (i32.add (i32.add (get_local $offset) (get_local $space)) (i32.const 4)))
;; how much data is here?
(set_local $space (i32.load (get_local $offset)))
;; is this the end of memory?
(if (i32.le_u (i32.sub (get_global $-totmem) (get_local $offset)) (i32.const 8))(then
;; are we allowed to grow memory?
(if (get_local $allowgrow)(then
(set_local $offset2 (i32.add (get_global $-totmem) (i32.const 8)))
(drop (grow_memory (current_memory)))
(set_global $-totmem (i32.mul (i32.const 65536) (current_memory)))
(i32.store (get_local $offset2) (i32.sub (get_global $-totmem) (i32.add (i32.const 8) (get_local $offset2))))
(call $-dealloc (i32.sub (get_local $offset2) (i32.const 8)))
(set_local $space (i32.load (i32.const 0)))
(set_local $offset (i32.add (get_local $space) (i32.const 4)))
(set_local $space (i32.load (get_local $offset)))
)(else ;; first time? start from beginning
(call $-garbagecollect)
(set_local $allowgrow (i32.const 1))
(set_local $offset (i32.const 0))
(set_local $space (i32.load (get_local $offset)))
(set_local $space (i32.and (get_local $space) (i32.const -8) ) )
(set_local $offset (i32.add (i32.add (get_local $offset) (get_local $space)) (i32.const 4)))
(set_local $space (i32.load (get_local $offset)))
))
))
;; skip the data
(set_local $offset (i32.add (i32.add (get_local $offset) (get_local $space)) (i32.const 4)))
;; align to next multiple of 8
(set_local $offset (i32.add (i32.and (get_local $offset) (i32.const -8)) (i32.const 8)))
;; how much space is here?
(set_local $space (i32.load (get_local $offset)))
;; round down to nearest multiple of 8
(set_local $space (i32.and (get_local $space) (i32.const -8) ) )
(br 0)
))
;; claim the space
(i32.store (get_local $offset) (i32.const 0))
(set_local $offset2 (i32.add (get_local $offset) (i32.const 4)))
(i32.store (get_local $offset2) (get_local $len))
;; skip allocation
(set_local $offset2 (i32.add (i32.add (get_local $offset2) (get_local $len)) (i32.const 4)))
;; round down to nearest multiple of 8
(set_local $offset2 (i32.and (get_local $offset2) (i32.const -8)))
;; set terminator
(i64.store (get_local $offset2) (i64.const 0))
(set_local $offset2 (i32.add (get_local $offset2) (i32.const 8)))
;; how much less space is there now?
(set_local $space2 (i32.sub (get_local $space) (i32.sub (get_local $offset2) (get_local $offset))))
;; mark the space at both ends
(i32.store (get_local $offset2) (get_local $space2))
(set_local $offset2 (i32.add (get_local $offset2) (get_local $space2)))
(i32.store (get_local $offset2) (get_local $space2))
;; zerofill allocation
(set_local $offset (i32.add (i32.const 8) (get_local $offset)))
(call $-memzero (get_local $offset) (get_local $len))
;; return offset where the data is supposed to begin
(set_global $-last_alloc (get_local $offset))
(return (get_local $offset))
)
;; deallocate memory
(func $-dealloc (param $offset i32)
(local $offset i32)
(local $offset2 i32)
(local $space i32)
(local $space2 i32)
(if (i32.eq (get_local $offset) (get_global $-last_alloc))(then
(set_global $-last_alloc (i32.const 0))
))
(set_local $offset (i32.sub (i32.and (get_local $offset) (i32.const -8)) (i32.const 8)))
(set_local $space (i32.load (get_local $offset)))
(set_local $space (i32.and (get_local $space) (i32.const -8) ) )
(set_local $offset (i32.sub (get_local $offset) (get_local $space)))
(set_local $offset2 (i32.add (i32.add (get_local $offset) (get_local $space)) (i32.const 4)))
(set_local $space2 (i32.load (get_local $offset2)))
(set_local $offset2 (i32.add (i32.add (get_local $offset2) (get_local $space2)) (i32.const 4)))
(set_local $offset2 (i32.add (i32.and (get_local $offset2) (i32.const -8)) (i32.const 8)))
(set_local $space2 (i32.load (get_local $offset2)))
(set_local $space2 (i32.and (get_local $space2) (i32.const -8) ) )
(set_local $offset2 (i32.add (get_local $offset2) (get_local $space2)))
(set_local $space (i32.sub (get_local $offset2) (get_local $offset)))
(i32.store (get_local $offset) (get_local $space))
(i32.store (get_local $offset2) (get_local $space))
)
;; zerofill memory
(func $-memzero (param $offset i32) (param $len i32)
(block(loop (br_if 1 (i32.lt_u (get_local $len) (i32.const 8)))
(i64.store (get_local $offset) (i64.const 0))
(set_local $offset (i32.add (get_local $offset) (i32.const 8)))
(set_local $len (i32.sub (get_local $len) (i32.const 8)))
(br 0)))
(block(loop (br_if 1 (i32.eqz (get_local $len)))
(i32.store8 (get_local $offset) (i32.const 0))
(set_local $offset (i32.add (get_local $offset) (i32.const 1)))
(set_local $len (i32.sub (get_local $len) (i32.const 1)))
(br 0)))
)
;; copy memory
(func $-memcopy (param $from i32) (param $to i32) (param $len i32)
(local $delta i32)
(if (i32.lt_u (get_local $from) (get_local $to))(then
(set_local $delta (i32.const -8))
(set_local $from (i32.add (get_local $from) (get_local $len)))
(set_local $to (i32.add (get_local $to) (get_local $len)))
(block(loop (br_if 1 (i32.lt_s (get_local $len) (i32.const 8)))
(set_local $from (i32.add (get_local $from) (get_local $delta)))
(set_local $to (i32.add (get_local $to) (get_local $delta)))
(i64.store (get_local $to) (i64.load (get_local $from)))
(set_local $len (i32.sub (get_local $len) (i32.const 8)))
(br 0) ))
(set_local $delta (i32.const -1))
(block(loop (br_if 1 (i32.lt_s (get_local $len) (i32.const 1)))
(set_local $from (i32.add (get_local $from) (get_local $delta)))
(set_local $to (i32.add (get_local $to) (get_local $delta)))
(i32.store8 (get_local $to) (i32.load8_u (get_local $from)))
(set_local $len (i32.sub (get_local $len) (i32.const 1)))
(br 0) ))
)(else
(set_local $delta (i32.const 8))
(block(loop (br_if 1 (i32.lt_s (get_local $len) (i32.const 8)))
(i64.store (get_local $to) (i64.load (get_local $from)))
(set_local $from (i32.add (get_local $from) (get_local $delta)))
(set_local $to (i32.add (get_local $to) (get_local $delta)))
(set_local $len (i32.sub (get_local $len) (i32.const 8)))
(br 0) ))
(set_local $delta (i32.const 1))
(block(loop (br_if 1 (i32.lt_s (get_local $len) (i32.const 1)))
(i32.store8 (get_local $to) (i32.load8_u (get_local $from)))
(set_local $from (i32.add (get_local $from) (get_local $delta)))
(set_local $to (i32.add (get_local $to) (get_local $delta)))
(set_local $len (i32.sub (get_local $len) (i32.const 1)))
(br 0) ))
))
)
;; memory index
(global $-mindex (mut i32) (i32.const 0))
;; offset of memory allocation
(func $-offset (param $id i32) (result i32)
(local $offset i32)
(if (i32.eq (get_local $id) (i32.const -1))(then
(set_local $offset (get_global $-mindex))
)(else
(if (i32.lt_u (get_local $id) (i32.const 8))(then
(set_local $offset (i32.const 0))
)(else
(set_local $id (i32.sub (get_local $id) (i32.const 8)))
(if (i32.gt_u (call $-len (i32.const -1)) (i32.mul (i32.const 8) (get_local $id)))(then
(set_local $offset (i32.add (get_global $-mindex) (i32.mul (i32.const 8) (get_local $id))))
(set_local $offset (i32.load (get_local $offset)))
))
))
))
(set_local $offset (i32.and (get_local $offset) (i32.const -8)))
(get_local $offset)
)
;; datatype of memory allocation
(func $-datatype (param $id i32) (result i32)
(local $datatype i32)
(if (i32.eq (get_local $id) (i32.const -1))(then
(set_local $datatype (i32.const 7))
)(else
(if (i32.lt_u (get_local $id) (i32.const 8))(then
(set_local $datatype (i32.and (get_local $id) (i32.const 3)))
)(else
(set_local $datatype (i32.sub (get_global $-mindex) (i32.const 64)))
(set_local $datatype (i32.add (get_local $datatype) (i32.add (i32.mul (i32.const 8) (get_local $id)) (i32.const 6))))
(set_local $datatype (i32.load8_u (get_local $datatype)))
))
))
(get_local $datatype)
)
;; length of memory allocation
(func $-len (param $id i32) (result i32)
(local $offset i32)
(local $len i32)
(set_local $offset (call $-offset (get_local $id)))
(if (get_local $offset)(then
(set_local $len (i32.load (i32.sub (get_local $offset) (i32.const 4))))
))
(get_local $len)
)
;; callstack-depth of memory allocation
(func $-callstack_depth (param $id i32) (result i32)
(local $depth i32)
(if (i32.ge_u (get_local $id) (i32.const 8))(then
(set_local $depth (i32.sub (get_global $-mindex) (i32.const 64)))
(set_local $depth (i32.add (get_local $depth) (i32.add (i32.mul (i32.const 8) (get_local $id)) (i32.const 4))))
(set_local $depth (i32.load16_u (get_local $depth)))
))
(get_local $depth)
)
;; resize memory allocation
(func $-resize (param $id i32) (param $newlen i32)
(local $offset i32)
(local $len i32)
(local $spaceafter i32)
(local $newoffset i32)
(if (i32.eq (get_local $id) (i32.const -1))(then
(set_local $len (i32.const 1))
(block(loop (br_if 1 (i32.ge_u (get_local $len) (get_local $newlen)))
(set_local $len (i32.mul (get_local $len) (i32.const 2)))
(br 0)))
(set_local $newlen (get_local $len))
))
(set_local $offset (call $-offset (get_local $id)))
(if (get_local $offset)(then ;; the value is in memory
(set_local $len (i32.load (i32.sub (get_local $offset) (i32.const 4))))
(if (i32.eq
(i32.and (get_local $len) (i32.const -8))
(i32.and (get_local $newlen) (i32.const -8))
)(then ;; the old and new lengths are (almost) the same
(i32.store (i32.sub (get_local $offset) (i32.const 4)) (get_local $newlen))
(if (i32.gt_u (get_local $len) (get_local $newlen))(then ;; shrink
(call $-memzero
(i32.add (get_local $offset) (get_local $newlen))
(i32.sub (get_local $len) (get_local $newlen))
)
)(else ;; grow
(call $-memzero
(i32.add (get_local $offset) (get_local $len))
(i32.sub (get_local $newlen) (get_local $len))
)
))
)(else
(set_local $spaceafter
(i32.load
(i32.add
(get_local $offset)
(i32.add (i32.and (get_local $len) (i32.const -8)) (i32.const 8))
)
)
)
(if (i32.or
(i32.gt_u (get_local $len) (get_local $newlen))
(i32.gt_u (get_local $spaceafter) (i32.sub (get_local $newlen) (get_local $len)))
)(then ;; we can resize in-place
(set_local $spaceafter (i32.add
(get_local $spaceafter)
(i32.sub
(i32.and (get_local $len) (i32.const -8))
(i32.and (get_local $newlen) (i32.const -8))
)
))
(i32.store (i32.sub (get_local $offset) (i32.const 4)) (get_local $newlen))
(if (i32.gt_u (get_local $len) (get_local $newlen))(then ;; shrink
(call $-memzero
(i32.add (get_local $offset) (get_local $newlen))
(i32.sub (get_local $len) (get_local $newlen))
)
)(else ;; grow
(call $-memzero
(i32.add (get_local $offset) (get_local $len))
(i32.sub (get_local $newlen) (get_local $len))
)
))
(i32.store
(i32.add
(get_local $offset)
(i32.add (i32.and (get_local $newlen) (i32.const -8)) (i32.const 8))
)
(get_local $spaceafter)
)
(i32.store
(i32.add
(i32.add
(get_local $offset)
(i32.add (i32.and (get_local $newlen) (i32.const -8)) (i32.const 8))
)
(get_local $spaceafter)
)
(get_local $spaceafter)
)
)(else ;; we need to re-allocate
(set_local $newoffset (call $-alloc (i32.mul (get_local $newlen) (i32.const 2))))
(call $-memcopy (get_local $offset) (get_local $newoffset) (get_local $len))
(call $-dealloc (get_local $offset))
(if (i32.eq (get_local $id) (i32.const -1))(then
(set_global $-mindex (get_local $newoffset))
)(else
(call $-write32 (i32.const -1) (i32.mul (i32.sub (get_local $id) (i32.const 8)) (i32.const 8)) (get_local $newoffset))
))
(drop (call $-new_value (i32.const 6) (i32.const 1)))
(drop (call $-new_value (i32.const 6) (i32.const 1)))
(call $-resize (get_local $id) (get_local $newlen))
))
))
))
)
;; set datatype of memory allocation
(func $-set_datatype (param $id i32) (param $datatype i32) (result i32)
(local $offset i32)
(if (i32.eq (get_local $id) (i32.const -1))(then
(set_local $datatype (i32.const 7))
)(else
(if (i32.lt_u (get_local $id) (i32.const 8))(then
(set_local $datatype (i32.and (get_local $id) (i32.const 3)))
)(else
(set_local $offset (i32.sub (get_global $-mindex) (i32.const 64)))
(set_local $offset (i32.add (get_local $offset) (i32.add (i32.mul (i32.const 8) (get_local $id)) (i32.const 6))))
(i32.store8 (get_local $offset) (get_local $datatype))
))
))
(get_local $id)
)
;; read from memory allocation
(func $-read8 (param $id i32) (param $pos i32) (result i32)
(local $offset i32)
(local $data i32)
(set_local $offset (call $-offset (get_local $id)))
(if (i32.lt_u (get_local $pos) (call $-len (get_local $id)))(then
(set_local $data (i32.load8_u (i32.add (get_local $offset) (get_local $pos))))
))
(get_local $data)
)
(func $-read16 (param $id i32) (param $pos i32) (result i32)
(local $offset i32)
(local $data i32)
(set_local $offset (call $-offset (get_local $id)))
(if (i32.lt_u (i32.add (get_local $pos) (i32.const 1)) (call $-len (get_local $id)))(then
(set_local $data (i32.load16_u (i32.add (get_local $offset) (get_local $pos))))
))
(get_local $data)
)
(func $-read32 (param $id i32) (param $pos i32) (result i32)
(local $offset i32)
(local $data i32)
(set_local $offset (call $-offset (get_local $id)))
(if (i32.lt_u (i32.add (get_local $pos) (i32.const 3)) (call $-len (get_local $id)))(then
(set_local $data (i32.load (i32.add (get_local $offset) (get_local $pos))))
))
(get_local $data)
)
;; write to memory allocation
(func $-write8 (param $id i32) (param $pos i32) (param $data i32)
(local $offset i32)
(set_local $offset (call $-offset (get_local $id)))
(if (get_local $offset)(then
(if (i32.ge_u (get_local $pos) (call $-len (get_local $id)))(then
(call $-resize (get_local $id) (i32.add (get_local $pos) (i32.const 1)))
(set_local $offset (call $-offset (get_local $id)))
))
(i32.store8 (i32.add (get_local $offset) (get_local $pos)) (get_local $data))
))
)
(func $-write16 (param $id i32) (param $pos i32) (param $data i32)
(local $offset i32)
(set_local $offset (call $-offset (get_local $id)))
(if (get_local $offset)(then
(if (i32.ge_u (i32.add (get_local $pos) (i32.const 1)) (call $-len (get_local $id)) )(then
(call $-resize (get_local $id) (i32.add (get_local $pos) (i32.const 2)))
(set_local $offset (call $-offset (get_local $id)))
))
(i32.store16 (i32.add (get_local $offset) (get_local $pos)) (get_local $data))
))
)
(func $-write32 (param $id i32) (param $pos i32) (param $data i32)
(local $offset i32)
(set_local $offset (call $-offset (get_local $id)))
(if (get_local $offset)(then
(if (i32.ge_u (i32.add (get_local $pos) (i32.const 3)) (call $-len (get_local $id)) )(then
(call $-resize (get_local $id) (i32.add (get_local $pos) (i32.const 4)))
(set_local $offset (call $-offset (get_local $id)))
))
(i32.store (i32.add (get_local $offset) (get_local $pos)) (get_local $data))
))
)
(func $-write_to (param $id i32) (param $pos i32) (param $data_id i32)
(local $offset i32)
(local $len i32)
(set_local $offset (call $-offset (get_local $id)))
(set_local $len (call $-len (get_local $data_id)))
(if (get_local $offset)(then
(if (i32.gt_u (i32.add (get_local $pos) (get_local $len)) (call $-len (get_local $id)) )(then
(call $-resize (get_local $id) (i32.add (get_local $pos) (get_local $len)))
(set_local $offset (call $-offset (get_local $id)))
))
(call $-memcopy (call $-offset (get_local $data_id)) (i32.add (get_local $offset) (get_local $pos)) (get_local $len))
))
)
;; make room for a new value
(global $-next_id (mut i32) (i32.const 0))
(func $-new_value (param $datatype i32) (param $len i32) (result i32)
(local $offset i32)
(local $id i32)
(set_local $id (get_global $-next_id))
(set_local $offset (call $-alloc (get_local $len)))
(block(loop
(br_if 1 (i32.eqz (call $-read32 (i32.const -1) (i32.mul (get_local $id) (i32.const 8)))))
(set_local $id (i32.add (get_local $id) (i32.const 1)))
(br 0)
))
(call $-write32 (i32.const -1) (i32.mul (get_local $id) (i32.const 8)) (get_local $offset))
(call $-write16 (i32.const -1) (i32.add (i32.mul (get_local $id) (i32.const 8)) (i32.const 4)) (get_global $-calls))
(call $-write8 (i32.const -1) (i32.add (i32.mul (get_local $id) (i32.const 8)) (i32.const 6)) (get_local $datatype))
(call $-write8 (i32.const -1) (i32.add (i32.mul (get_local $id) (i32.const 8)) (i32.const 7)) (i32.const 130))
(set_global $-next_id (i32.add (get_local $id) (i32.const 1)))
(i32.add (get_local $id) (i32.const 8))
)
;; mark id as referenced
(func $-ref (param $id i32)
(local $refs i32)
(if (call $-offset (get_local $id))(then
(set_local $id (i32.sub (get_local $id) (i32.const 8)))
(call $-write8 (i32.const -1) (i32.add (i32.mul (get_local $id) (i32.const 8)) (i32.const 7)) (i32.const 1))
))
)
(global $-hard_value (mut i32) (i32.const 0))
;; (global $-high_id (mut i32) (i32.const 0))
;; clear all references in index
(func $-zerorefs
(local $id i32)
(if (i32.eqz (get_global $-hard_value))(then
(set_global $-hard_value (get_global $-next_id))
))
(set_local $id (i32.div_u (call $-len (i32.const -1)) (i32.const 8)))
;; (set_global $-high_id (get_global $-hard_value))
(block(loop (br_if 1 (i32.eqz (get_local $id)))
(set_local $id (i32.sub (get_local $id) (i32.const 1)))
(if (i32.lt_u (get_local $id) (get_global $-hard_value))(then
(call $-write16 (i32.const -1) (i32.add (i32.mul (get_local $id) (i32.const 8)) (i32.const 4)) (i32.const 0))
)(else
(call $-write16 (i32.const -1) (i32.add (i32.mul (get_local $id) (i32.const 8)) (i32.const 4)) (i32.const 4))
))
(br 0)))
)
(global $-passdown_mark (mut i32) (i32.const 1))
;; pass down reference recursively
(func $-passdown (param $id i32)
(local $offset i32)
(local $datatype i32)
(local $csdepth i32)
(local $mark i32)
(set_local $offset (call $-offset (get_local $id)))
;; is it even in memory?
(if (get_local $offset) (then
(set_local $id (i32.sub (get_local $id) (i32.const 8)))
(set_local $mark (call $-read8 (i32.const -1) (i32.add (i32.mul (get_local $id) (i32.const 8)) (i32.const 7))))
(set_local $csdepth (call $-read16 (i32.const -1) (i32.add (i32.mul (get_local $id) (i32.const 8)) (i32.const 4))))
;; is it unreferenced?
(if (i32.or
(i32.ne (get_local $mark) (get_global $-passdown_mark))
(i32.gt_u (get_local $csdepth) (get_global $-calls))
)(then
(call $-write8 (i32.const -1) (i32.add (i32.mul (get_local $id) (i32.const 8)) (i32.const 7)) (get_global $-passdown_mark))
(if (i32.gt_u (get_local $csdepth) (get_global $-calls))(then
(call $-write16 (i32.const -1) (i32.add (i32.mul (get_local $id) (i32.const 8)) (i32.const 4)) (get_global $-calls))
))
(set_local $datatype (call $-read8 (i32.const -1) (i32.add (i32.mul (get_local $id) (i32.const 8)) (i32.const 6))))
(set_local $id (i32.add (get_local $id) (i32.const 8)))
;; is it array/object?
(if (i32.eq (i32.and (get_local $datatype) (i32.const 6)) (i32.const 4))(then
(set_local $offset (call $-len (get_local $id)))
(block(loop (br_if 1 (i32.eqz (get_local $offset)))
(set_local $offset (i32.sub (get_local $offset) (i32.const 4)))
(call $-passdown (call $-read32 (get_local $id) (get_local $offset)))
(br 0)))
))
))
))
)
;; garbage collector
(func $-garbagecollect
(local $id i32)
(local $csdepth i32)
(local $offset i32)
(local $last_id i32)
(set_global $-passdown_mark (i32.and (i32.add (get_global $-passdown_mark) (i32.const 1)) (i32.const 127)))
(call $-passdown_globals)
(set_local $id (i32.div_u (call $-len (i32.const -1)) (i32.const 8)))
(block(loop (br_if 1 (i32.eqz (get_local $id)))
(set_local $id (i32.sub (get_local $id) (i32.const 1)))
(set_local $offset (call $-read32 (i32.const -1) (i32.mul (get_local $id) (i32.const 8))))
(set_local $csdepth (call $-read16 (i32.const -1) (i32.add (i32.mul (get_local $id) (i32.const 8)) (i32.const 4))))
(if (get_local $offset)(then
(if (i32.gt_u (get_local $csdepth) (get_global $-calls))(then
(call $-dealloc (get_local $offset))
(set_global $-next_id (get_local $id))
(call $-write32 (i32.const -1) (i32.mul (get_local $id) (i32.const 8)) (i32.const 0))
(call $-write32 (i32.const -1) (i32.add (i32.mul (get_local $id) (i32.const 8)) (i32.const 4)) (i32.const 0))
)(else
(if (i32.eqz (get_local $last_id))(then
(set_local $last_id (get_local $id))
))
))
))
(br 0)))
(set_global $-last_alloc (i32.const 0))
(set_global $-gc_pending (get_global $-calls))
(call $-resize (i32.const -1) (i32.mul (i32.add (get_local $last_id) (i32.const 1)) (i32.const 8)))
)
(func $-truthy (param $id i32) (result i32)
(local $datatype i32)
(local $truthy i32)
(if (i32.gt_u (get_local $id) (i32.const 4))(then
(set_local $truthy (i32.const 1))
(set_local $datatype (call $-datatype (get_local $id)))
(if (i32.and
(i32.eq (get_local $datatype) (i32.const 2))
(f64.eq (call $-f64 (get_local $id)) (f64.const 0))
)(then
(set_local $truthy (i32.const 0))
))
(if (i32.and
(i32.eq (get_local $datatype) (i32.const 3))
(i32.eq (call $-len (get_local $id)) (i32.const 0))
)(then
(set_local $truthy (i32.const 0))
))
))
(get_local $truthy)
)
(func $-falsy (param $id i32) (result i32)
(i32.eqz (call $-truthy (get_local $id)))
)
(func $-compare (param $id1 i32) (param $id2 i32) (result i32)
(local $res f64)
(local $len i32)
(local $pos i32)
;; equal reference
(if (i32.eq (get_local $id1) (get_local $id2))(then
(return (i32.const 0))
))
;; equal datatype
(if (i32.eq (call $-datatype (get_local $id1)) (call $-datatype (get_local $id2)))(then
;; array/object
(if (i32.eq
(i32.and (call $-datatype (get_local $id1)) (i32.const 6))
(i32.const 4)
)(then
(return (i32.sub
(get_local $id1)
(get_local $id2)
))
))
;; numerical values
(if (i32.lt_u (call $-datatype (get_local $id1)) (i32.const 3))(then
(set_local $res (f64.sub
(call $-f64 (call $-to_number (get_local $id1)))
(call $-f64 (call $-to_number (get_local $id2)))
))
(if (f64.eq (get_local $res) (f64.const 0))(then
(return (i32.const 0))
))
(if (f64.gt (get_local $res) (f64.const 0))(then
(return (i32.const 1))
))
(if (f64.lt (get_local $res) (f64.const 0))(then
(return (i32.const -1))
))
)(else ;; strings/binaries
(set_local $pos (i32.const 0))
(if (i32.lt_u
(call $-len (get_local $id1))
(call $-len (get_local $id2))
)(then
(set_local $len (call $-len (get_local $id1)))
)(else
(set_local $len (call $-len (get_local $id2)))
))
(block(loop (br_if 1 (i32.eqz (get_local $len)))
(if (i32.ne
(call $-read8 (get_local $id1) (get_local $pos))
(call $-read8 (get_local $id2) (get_local $pos))
)(then
(return (i32.sub
(call $-read8 (get_local $id1) (get_local $pos))
(call $-read8 (get_local $id2) (get_local $pos))
))
))
(set_local $pos (i32.add (get_local $pos) (i32.const 1)))
(set_local $len (i32.sub (get_local $len) (i32.const 1)))
(br 0)))
(return (i32.sub
(call $-len (get_local $id1))
(call $-len (get_local $id2))
))
))
)(else ;; unequal datatypes
(return (i32.sub
(call $-datatype (get_local $id1))
(call $-datatype (get_local $id2))
))
))
(return (i32.const 0))
)
(func $-equal (param $id1 i32) (param $id2 i32) (result i32)
(if (call $-compare (get_local $id1) (get_local $id2)) (then
(return (i32.const 1))
))
(i32.const 5)
)
(func $-unequal (param $id1 i32) (param $id2 i32) (result i32)
(i32.sub (i32.const 6) (call $-equal (get_local $id1) (get_local $id2)))
)
(func $-lt (param $id1 i32) (param $id2 i32) (result i32)
(if (i32.lt_s (call $-compare (get_local $id1) (get_local $id2)) (i32.const 0))(then
(return (i32.const 5))
))
(i32.const 1)
)
(func $-le (param $id1 i32) (param $id2 i32) (result i32)
(if (i32.le_s (call $-compare (get_local $id1) (get_local $id2)) (i32.const 0))(then
(return (i32.const 5))
))
(i32.const 1)
)
(func $-gt (param $id1 i32) (param $id2 i32) (result i32)
(if (i32.gt_s (call $-compare (get_local $id1) (get_local $id2)) (i32.const 0))(then
(return (i32.const 5))
))
(i32.const 1)
)
(func $-ge (param $id1 i32) (param $id2 i32) (result i32)
(if (i32.ge_s (call $-compare (get_local $id1) (get_local $id2)) (i32.const 0))(then
(return (i32.const 5))
))
(i32.const 1)
)
(func $-and (param $id1 i32) (param $id2 i32) (result i32)
(local $success i32)
(set_local $success (i32.const 1))
(if (call $-truthy (get_local $id1))(then
(set_local $success (get_local $id2))
)(else
(set_local $success (get_local $id1))
))
(get_local $success)
)
(func $-or (param $id1 i32) (param $id2 i32) (result i32)
(local $success i32)
(set_local $success (i32.const 1))
(if (call $-truthy (get_local $id1))(then
(set_local $success (get_local $id1))
)(else
(set_local $success (get_local $id2))
))
(get_local $success)
)
(func $-concat (param $id1 i32) (param $id2 i32) (result i32)
(local $len1 i32)
(local $len2 i32)
(local $datatype i32)
(local $id3 i32)
(local $offset i32)
(set_local $len1 (call $-len (get_local $id1)))
(set_local $len2 (call $-len (get_local $id2)))
(set_local $datatype (call $-datatype (get_local $id1)))
(set_local $id3 (call $-new_value (get_local $datatype) (i32.add (get_local $len1) (get_local $len2))))
(call $-memcopy (call $-offset (get_local $id1)) (call $-offset (get_local $id3)) (get_local $len1))
(call $-memcopy (call $-offset (get_local $id2)) (i32.add (call $-offset (get_local $id3)) (get_local $len1)) (get_local $len2))
;; (call $-resize (get_local $id3) (i32.add (get_local $len1) (get_local $len2)))
(get_local $id3)
)
(func $-to_number (param $id i32) (result i32)
(local $datatype i32)
(local $id3 i32)
(set_local $datatype (call $-datatype (get_local $id)))
(set_local $id3 (i32.const 2))
(if (i32.lt_u (get_local $id) (i32.const 2))(then
(set_local $id3 (i32.const 2))
))
(if (i32.eq (get_local $id) (i32.const 5))(then
(set_local $id3 (call $-integer_u (i32.const 1)))
))
(if (i32.eq (get_local $datatype) (i32.const 2))(then
(set_local $id3 (get_local $id))
))
(get_local $id3)
)
(func $-to_string (param $id i32) (result i32)
(local $datatype i32)
(local $id3 i32)
(local $digit f64)
(local $decimals i32)
(local $pos i32)
(set_local $datatype (call $-datatype (get_local $id)))
(set_local $id3 (get_local $id))
(if (i32.eq (get_local $id) (i32.const 0))(then
(set_local $id3 (call $-new_value (i32.const 3) (i32.const 4)))
(call $-write32 (get_local $id3) (i32.const 0) (i32.const 0x6c6c756e));;null
))
(if (i32.eq (get_local $id) (i32.const 1))(then
(set_local $id3 (call $-new_value (i32.const 3) (i32.const 5)))
(call $-write32 (get_local $id3) (i32.const 0) (i32.const 0x736c6166));;fals
(call $-write8 (get_local $id3) (i32.const 4) (i32.const 0x65));;e
))
(if (i32.eq (get_local $id) (i32.const 5))(then
(set_local $id3 (call $-new_value (i32.const 3) (i32.const 4)))
(call $-write32 (get_local $id3) (i32.const 0) (i32.const 0x65757274));;true
))
(if (i32.eq (get_local $datatype) (i32.const 2))(then ;; number
(set_local $id3 (call $-new_value (i32.const 3) (i32.const 0)))
(set_local $digit (call $-f64 (get_local $id)))
(if (f64.lt (get_local $digit) (f64.const 0))(then
(call $-write8 (get_local $id3) (get_local $pos) (i32.const 0x2d));; -
(set_local $pos (i32.add (get_local $pos) (i32.const 1)))
(set_local $digit (f64.mul (get_local $digit) (f64.const -1)))
))
(call $-write8 (get_local $id3) (get_local $pos) (i32.const 0x30));; 0
(block(loop (br_if 1 (f64.lt (get_local $digit) (f64.const 1)))
(set_local $digit (f64.div (get_local $digit) (f64.const 10)))
(call $-write8 (get_local $id3) (get_local $pos) (i32.const 0x30));; 0
(set_local $pos (i32.add (get_local $pos) (i32.const 1)))
(br 0)
))
(set_local $decimals (i32.trunc_u/f64 (f64.trunc (f64.abs (call $-f64 (get_local $id))))))
(block(loop (br_if 1 (i32.eqz (get_local $decimals)))
(set_local $pos (i32.sub (get_local $pos) (i32.const 1)))
(call $-write8 (get_local $id3) (get_local $pos) (i32.add (i32.const 0x30) (i32.rem_u (get_local $decimals) (i32.const 10))))
(set_local $decimals (i32.div_u (get_local $decimals) (i32.const 10)))
(br 0)))
(set_local $pos (call $-len (get_local $id3)))
(set_local $decimals (i32.const 0))
(set_local $digit (f64.abs (call $-f64 (get_local $id))))
(set_local $digit (f64.sub (get_local $digit) (f64.trunc (get_local $digit))))
(if (f64.gt (get_local $digit) (f64.const 0.00001))(then
(call $-write8 (get_local $id3) (get_local $pos) (i32.const 0x2e));; .
(set_local $pos (i32.add (get_local $pos) (i32.const 1)))
(set_local $digit (f64.mul (get_local $digit) (f64.const 10)))
(block(loop
(br_if 1 (i32.ge_s (get_local $decimals) (i32.const 16)))
(call $-write8 (get_local $id3) (get_local $pos) (i32.add (i32.const 0x30) (i32.trunc_s/f64 (f64.trunc (get_local $digit)))))
(set_local $pos (i32.add (get_local $pos) (i32.const 1)))
(set_local $digit (f64.sub (get_local $digit) (f64.trunc (get_local $digit))))
(set_local $digit (f64.mul (get_local $digit) (f64.const 10)))
(if (f64.le (get_local $digit) (f64.const 0.00001))(then
(set_local $decimals (i32.const 1024))
))
(set_local $decimals (i32.add (get_local $decimals) (i32.const 1)))
(br 0)
))
))
))
(if (i32.eq (get_local $datatype) (i32.const 4))(then
(set_local $id3 (call $-new_value (i32.const 3) (i32.const 5)))
(call $-write32 (get_local $id3) (i32.const 0) (i32.const 0x61727261));;arra
(call $-write8 (get_local $id3) (i32.const 4) (i32.const 0x79));;y
))
(if (i32.eq (get_local $datatype) (i32.const 5))(then
(set_local $id3 (call $-new_value (i32.const 3) (i32.const 6)))
(call $-write32 (get_local $id3) (i32.const 0) (i32.const 0x656a626f));;obje
(call $-write16 (get_local $id3) (i32.const 4) (i32.const 0x7463));;ct
))
(if (i32.eq (get_local $datatype) (i32.const 6))(then
(set_local $id3 (call $-concat (i32.const 3) (get_local $id)))
))
(get_local $id3)
)
(func $-to_hex (param $int i32) (param $digits i32) (result i32)
(local $str i32)
(local $dig i32)
(set_local $str (call $-new_value (i32.const 3) (get_local $digits)))
(block(loop (br_if 1 (i32.eqz (get_local $digits)))
(set_local $digits (i32.sub (get_local $digits) (i32.const 1)))
(set_local $dig (i32.and (get_local $int) (i32.const 0xf)))
(set_local $int (i32.div_u (get_local $int) (i32.const 0x10)))
(if (i32.lt_u (get_local $dig) (i32.const 0xa))(then
(call $-write8 (get_local $str) (get_local $digits) (i32.add (i32.const 0x30) (get_local $dig)))
)(else
(call $-write8 (get_local $str) (get_local $digits) (i32.add (i32.const 0x57) (get_local $dig)))
))
(br 0)))
(get_local $str)
)
(func $-from_hex (param $str i32) (result i32)
(local $int i32)
(local $dig i32)
(local $pos i32)
(local $len i32)
(set_local $len (call $-len (get_local $str)))
(block(loop (br_if 1 (i32.ge_u (get_local $pos) (get_local $len)))
(set_local $int (i32.mul (get_local $int) (i32.const 0x10)))
(set_local $dig (call $-read8 (get_local $str) (get_local $pos)))
(if (i32.gt_u (get_local $dig) (i32.const 0x5f))(then
(set_local $dig (i32.sub (get_local $dig) (i32.const 0x20)))
))
(if (i32.lt_u (get_local $dig) (i32.const 0x40))(then
(set_local $int (i32.add (get_local $int) (i32.sub (get_local $dig) (i32.const 0x30))))
)(else
(set_local $int (i32.add (get_local $int) (i32.sub (get_local $dig) (i32.const 0x37))))
))
(set_local $pos (i32.add (get_local $pos) (i32.const 1)))
(br 0)))
(get_local $int)
)
(global $-parsing_offset (mut i32) (i32.const 0))
(func $-parse_integer (param $offset i32) (param $base i32) (result i64)
(local $result i64)
(local $neg i32)
(local $char i32)
(local $digit i32)
(if (i32.eqz (get_local $offset))(then
(set_local $offset (get_global $-parsing_offset))
))
(if (i32.eqz (get_local $base))(then
(set_local $base (i32.const 10))
))
(set_local $neg (i32.const 1))
(set_local $char (i32.load8_u (get_local $offset)))
(if (i32.eq (get_local $char) (i32.const 0x2d))(then ;; -
(set_local $neg (i32.const -1))
(set_local $char (i32.const 0x30))
(set_local $offset (i32.add (get_local $offset) (i32.const 1)))
))
(if (i32.eq (get_local $char) (i32.const 0x2b))(then ;; +
(set_local $neg (i32.const 1))
(set_local $char (i32.const 0x30))
(set_local $offset (i32.add (get_local $offset) (i32.const 1)))
))
(block(loop
(set_local $char (i32.load8_u (get_local $offset)))
(set_local $offset (i32.add (get_local $offset) (i32.const 1)))
(br_if 1 (i32.lt_u (get_local $char) (i32.const 0x30)))
(set_local $digit (i32.sub (get_local $char) (i32.const 0x30)))
(if (i32.gt_u (get_local $digit) (i32.const 0x9))(then
(set_local $digit (i32.sub (get_local $digit) (i32.const 0x7)))
))
(if (i32.gt_u (get_local $digit) (i32.const 0x29))(then
(set_local $digit (i32.sub (get_local $digit) (i32.const 0x20)))
))
(if (i32.eq (get_local $digit) (i32.const 0x21))(then ;; x
(set_local $base (i32.const 0x10))
(set_local $digit (i32.const 0x0))
))
(br_if 1 (i32.ge_u (get_local $digit) (get_local $base)))
(set_local $result (i64.mul (get_local $result) (i64.extend_u/i32 (get_local $base))))
(set_local $result (i64.add (get_local $result) (i64.extend_u/i32 (get_local $digit))))
(br 0)))
(set_local $offset (i32.sub (get_local $offset) (i32.const 1)))
(set_global $-parsing_offset (get_local $offset))
(tee_local $result (i64.mul (get_local $result) (i64.extend_s/i32 (get_local $neg))))
;; (call $logNumber (f64.convert_s/i64 (get_local $result)))
)
(func $-parse_float (param $offset i32) (param $base i32) (result f64)
(local $iresult f64)
(local $dresult f64)
(local $int i64)
(local $dec i64)
(local $declen i64)
(local $exp i64)
(local $pow i64)
(local $neg f64)
(local $k f64)
(local $char i32)
;; (call $logNumber (f64.const 0xcafebabe) )
;; default params
(if (i32.eqz (get_local $offset))(then
(set_local $offset (get_global $-parsing_offset))
))
(if (i32.eqz (get_local $base))(then
(set_local $base (i32.const 10))
))
;; read sign
(set_local $neg (f64.const 1))
(set_local $char (i32.load8_u (get_local $offset)))
(if (i32.eq (get_local $char) (i32.const 0x2d))(then ;; -
(set_local $neg (f64.const -1))
(set_local $offset (i32.add (get_local $offset) (i32.const 1)))
))
(if (i32.eq (get_local $char) (i32.const 0x2b))(then ;; +
(set_local $neg (f64.const 1))
(set_local $offset (i32.add (get_local $offset) (i32.const 1)))
))
;; read base
(set_local $char (i32.load16_u (get_local $offset)))
(if (i32.eq (get_local $char) (i32.const 0x5830))(then ;; 0X
(set_local $base (i32.const 0x10))
(set_local $offset (i32.add (get_local $offset) (i32.const 2)))
))
(if (i32.eq (get_local $char) (i32.const 0x7830))(then ;; 0x
(set_local $base (i32.const 0x10))
(set_local $offset (i32.add (get_local $offset) (i32.const 2)))
))
;; read integer
(set_local $int (call $-parse_integer (get_local $offset) (get_local $base)))
(set_local $offset (get_global $-parsing_offset))
;; read decimals
(set_local $char (i32.load8_u (get_local $offset)))
(set_local $offset (i32.add (get_local $offset) (i32.const 1)))
(if (i32.eq (get_local $char) (i32.const 0x2e))(then ;; .
(set_local $dec (call $-parse_integer (get_local $offset) (get_local $base)))
(set_local $declen (i64.extend_u/i32 (i32.sub (get_global $-parsing_offset) (get_local $offset))))
(set_local $offset (get_global $-parsing_offset))
(set_local $char (i32.load8_u (get_local $offset)))
(set_local $offset (i32.add (get_local $offset) (i32.const 1)))
))
;; read exponent
(if (i32.ge_u (get_local $char) (i32.const 0x60))(then
(set_local $char (i32.sub (get_local $char) (i32.const 0x20)))
))
(if (i32.eq (get_local $char) (i32.const 0x45))(then ;; E
(set_local $exp (call $-parse_integer (get_local $offset) (i32.const 0)))
))
(if (i32.eq (get_local $char) (i32.const 0x50))(then ;; P
(set_local $pow (call $-parse_integer (get_local $offset) (i32.const 0)))
))
;; calc decimals
(set_local $dresult (f64.convert_u/i64 (get_local $dec)))
(set_local $declen (i64.sub (get_local $exp) (get_local $declen)))
(if (i64.lt_s (get_local $declen) (i64.const 0))(then
(set_local $k (f64.const -1))
)(else
(set_local $k (f64.const 1))
))
(block(loop (br_if 1 (i64.ge_s (get_local $declen) (i64.const 0)))
(set_local $k (f64.mul (get_local $k) (f64.convert_u/i32 (get_local $base))))
(set_local $declen (i64.add (get_local $declen) (i64.const 1)))
(br 0)))
(block(loop (br_if 1 (i64.le_s (get_local $declen) (i64.const 0)))
(set_local $k (f64.mul (get_local $k) (f64.convert_u/i32 (get_local $base))))
(set_local $declen (i64.sub (get_local $declen) (i64.const 1)))
(br 0)))