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# support for non-int values is untested
type value-stack {
data: (handle array value)
top: int
}
fn initialize-value-stack _self: (addr value-stack), n: int {
var self/esi: (addr value-stack) <- copy _self
var d/edi: (addr handle array value) <- get self, data
populate d, n
var top/eax: (addr int) <- get self, top
copy-to *top, 0
}
fn clear-value-stack _self: (addr value-stack) {
var self/esi: (addr value-stack) <- copy _self
var top/eax: (addr int) <- get self, top
copy-to *top, 0
}
fn push-int-to-value-stack _self: (addr value-stack), _val: int {
var self/esi: (addr value-stack) <- copy _self
var top-addr/ecx: (addr int) <- get self, top
var data-ah/edx: (addr handle array value) <- get self, data
var data/eax: (addr array value) <- lookup *data-ah
var top/edx: int <- copy *top-addr
var dest-offset/edx: (offset value) <- compute-offset data, top
var dest-addr/edx: (addr value) <- index data, dest-offset
var dest-addr2/eax: (addr int) <- get dest-addr, int-data
var val/esi: int <- copy _val
#? print-int32-hex-to-real-screen val
copy-to *dest-addr2, val
increment *top-addr
}
fn push-string-to-value-stack _self: (addr value-stack), val: (handle array byte) {
var self/esi: (addr value-stack) <- copy _self
var top-addr/ecx: (addr int) <- get self, top
var data-ah/edx: (addr handle array value) <- get self, data
var data/eax: (addr array value) <- lookup *data-ah
var top/edx: int <- copy *top-addr
var dest-offset/edx: (offset value) <- compute-offset data, top
var dest-addr/edx: (addr value) <- index data, dest-offset
var dest-addr2/eax: (addr handle array byte) <- get dest-addr, text-data
copy-handle val, dest-addr2
var dest-addr3/eax: (addr int) <- get dest-addr, type
#? print-string 0, "setting type to 1: "
#? {
#? var foo/eax: int <- copy dest-addr3
#? print-int32-hex 0, foo
#? }
#? print-string 0, "\n"
copy-to *dest-addr3, 1 # type string
increment *top-addr
}
fn push-array-to-value-stack _self: (addr value-stack), val: (handle array value) {
var self/esi: (addr value-stack) <- copy _self
var top-addr/ecx: (addr int) <- get self, top
var data-ah/edx: (addr handle array value) <- get self, data
var data/eax: (addr array value) <- lookup *data-ah
var top/edx: int <- copy *top-addr
var dest-offset/edx: (offset value) <- compute-offset data, top
var dest-addr/edx: (addr value) <- index data, dest-offset
var dest-addr2/eax: (addr handle array value) <- get dest-addr, array-data
copy-handle val, dest-addr2
# update type
var dest-addr3/eax: (addr int) <- get dest-addr, type
copy-to *dest-addr3, 2 # type array
increment *top-addr
}
fn push-value-stack _self: (addr value-stack), val: (addr value) {
var self/esi: (addr value-stack) <- copy _self
var top-addr/ecx: (addr int) <- get self, top
var data-ah/edx: (addr handle array value) <- get self, data
var data/eax: (addr array value) <- lookup *data-ah
var top/edx: int <- copy *top-addr
var dest-offset/edx: (offset value) <- compute-offset data, top
var dest-addr/edx: (addr value) <- index data, dest-offset
copy-object val, dest-addr
increment *top-addr
}
fn pop-int-from-value-stack _self: (addr value-stack) -> val/eax: int {
$pop-int-from-value-stack:body: {
var self/esi: (addr value-stack) <- copy _self
var top-addr/ecx: (addr int) <- get self, top
{
compare *top-addr, 0
break-if->
val <- copy -1
break $pop-int-from-value-stack:body
}
decrement *top-addr
var data-ah/edx: (addr handle array value) <- get self, data
var data/eax: (addr array value) <- lookup *data-ah
var top/edx: int <- copy *top-addr
var dest-offset/edx: (offset value) <- compute-offset data, top
var result-addr/eax: (addr value) <- index data, dest-offset
var result-addr2/eax: (addr int) <- get result-addr, int-data
val <- copy *result-addr2
}
}
fn value-stack-empty? _self: (addr value-stack) -> result/eax: boolean {
$value-stack-empty?:body: {
var self/esi: (addr value-stack) <- copy _self
var top/eax: (addr int) <- get self, top
compare *top, 0
{
break-if-!=
result <- copy 1 # true
break $value-stack-empty?:body
}
result <- copy 0 # false
}
}
fn value-stack-length _self: (addr value-stack) -> result/eax: int {
var self/esi: (addr value-stack) <- copy _self
var top-addr/eax: (addr int) <- get self, top
result <- copy *top-addr
}
fn value-stack-max-width _self: (addr value-stack) -> result/eax: int {
var self/esi: (addr value-stack) <- copy _self
var data-ah/edi: (addr handle array value) <- get self, data
var _data/eax: (addr array value) <- lookup *data-ah
var data/edi: (addr array value) <- copy _data
var top-addr/ecx: (addr int) <- get self, top
var i/ebx: int <- copy 0
var out: int
{
compare i, *top-addr
break-if->=
var o/edx: (offset value) <- compute-offset data, i
var v/edx: (addr value) <- index data, o
var w/eax: int <- value-width v
# if (w > out) w = out
{
compare w, out
break-if-<=
copy-to out, w
}
i <- increment
loop
}
result <- copy out
}
fn value-width _v: (addr value) -> result/eax: int {
var out/edi: int <- copy 0
$value-width:body: {
var v/esi: (addr value) <- copy _v
var type/eax: (addr int) <- get v, type
{
compare *type, 0 # int
break-if-!=
var v-int/edx: (addr int) <- get v, int-data
var _out/eax: int <- decimal-size *v-int
out <- copy _out
break $value-width:body
}
{
compare *type, 1 # string
break-if-!=
var s-ah/eax: (addr handle array byte) <- get v, text-data
var s/eax: (addr array byte) <- lookup *s-ah
compare s, 0
break-if-=
var _out/eax: int <- length s
out <- copy _out
compare out, 0xd # max string size
{
break-if-<=
out <- copy 0xd
}
# we won't add 2 for surrounding quotes since we don't surround arrays
# in spaces like other value types
break $value-width:body
}
{
compare *type, 2 # array
break-if-!=
var a-ah/eax: (addr handle array value) <- get v, array-data
var a/eax: (addr array value) <- lookup *a-ah
compare a, 0
break-if-=
var _out/eax: int <- array-width a
out <- copy _out
break $value-width:body
}
{
compare *type, 3 # file handle
break-if-!=
var f-ah/eax: (addr handle buffered-file) <- get v, file-data
var f/eax: (addr buffered-file) <- lookup *f-ah
compare f, 0
break-if-=
# TODO
out <- copy 4
break $value-width:body
}
}
result <- copy out
}
# keep sync'd with render-array
fn array-width _a: (addr array value) -> result/eax: int {
var a/esi: (addr array value) <- copy _a
var max/ecx: int <- length a
var i/eax: int <- copy 0
var out/edi: int <- copy 0
{
compare i, max
break-if->=
{
compare i, 0
break-if-=
out <- increment # for space
}
var off/ecx: (offset value) <- compute-offset a, i
var x/ecx: (addr value) <- index a, off
{
var w/eax: int <- value-width x
out <- add w
}
i <- increment
loop
}
result <- copy out
# we won't add 2 for surrounding brackets since we don't surround arrays in
# spaces like other value types
}
fn save-lines in-h: (handle array (handle array byte)), _out-ah: (addr handle array value) {
var _in/eax: (addr array (handle array byte)) <- lookup in-h
var in/esi: (addr array (handle array byte)) <- copy _in
var len/ecx: int <- length in
var out-ah/edi: (addr handle array value) <- copy _out-ah
populate out-ah, len
var out/eax: (addr array value) <- lookup *out-ah
# copy in into out
var i/ebx: int <- copy 0
{
compare i, len
break-if->=
#? print-int32-hex 0, i
#? print-string 0, "\n"
var src/ecx: (addr handle array byte) <- index in, i
var dest-offset/edx: (offset value) <- compute-offset out, i
var dest-val/edx: (addr value) <- index out, dest-offset
var dest/eax: (addr handle array byte) <- get dest-val, text-data
copy-object src, dest
var type/edx: (addr int) <- get dest-val, type
copy-to *type, 1 # string
i <- increment
loop
}
}
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