mu/shell/trace.mu

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# A trace records the evolution of a computation.
# Traces are useful for:
# error-handling
# testing
# auditing
# debugging
# learning
#
# An integral part of the Mu computer is facilities for browsing traces.
type trace {
max-depth: int
curr-depth: int # depth that will be assigned to next line appended
data: (handle array trace-line)
first-free: int
first-full: int # used only by check-trace-scan
# steady-state life cycle of a trace:
# reload loop:
# there are already some visible lines
# append a bunch of new trace lines to the trace
# recreate trace caches
# render loop:
# rendering displays trace lines that match visible lines
# (caching in each line)
# (caching top-line)
# rendering computes cursor-line based on the cursor-y coordinate
# edit-trace updates cursor-y coordinate
# edit-trace might add/remove lines to visible
# edit-trace might update top-line
visible: (handle array trace-line)
recreate-caches?: boolean
cursor-line-index: int # index into data
cursor-y: int # row index on screen
unclip-cursor-line?: boolean # extremely short-lived; reset any time cursor moves
top-line-index: int # start rendering trace past this index into data (updated on re-evaluation)
top-line-y: int # trace starts rendering at this row index on screen (updated on re-evaluation)
screen-height: int # initialized during render-trace
}
type trace-line {
depth: int
label: (handle array byte)
data: (handle array byte)
visible?: boolean
}
# when we recreate the trace this data structure will help stabilize our view into it
# we can shallowly copy handles because lines are not reused across reruns
type trace-index-stash {
cursor-line-depth: int
cursor-line-label: (handle array byte)
cursor-line-data: (handle array byte)
top-line-depth: int
top-line-label: (handle array byte)
top-line-data: (handle array byte)
}
## generating traces
fn initialize-trace _self: (addr trace), max-depth: int, capacity: int, visible-capacity: int {
var self/esi: (addr trace) <- copy _self
compare self, 0
{
break-if-!=
abort "null trace"
}
var src/ecx: int <- copy max-depth
var dest/eax: (addr int) <- get self, max-depth
copy-to *dest, src
dest <- get self, curr-depth
copy-to *dest, 1 # 0 is the error depth
var trace-ah/eax: (addr handle array trace-line) <- get self, data
populate trace-ah, capacity
var visible-ah/eax: (addr handle array trace-line) <- get self, visible
populate visible-ah, visible-capacity
mark-lines-dirty self
}
fn clear-trace _self: (addr trace) {
var self/eax: (addr trace) <- copy _self
compare self, 0
{
break-if-!=
abort "null trace"
}
var curr-depth-addr/ecx: (addr int) <- get self, curr-depth
copy-to *curr-depth-addr, 1
var len/edx: (addr int) <- get self, first-free
copy-to *len, 0
# leak: nested handles within trace-lines
}
fn has-errors? _self: (addr trace) -> _/eax: boolean {
var self/eax: (addr trace) <- copy _self
compare self, 0
{
break-if-!=
abort "null trace"
}
var max/edx: (addr int) <- get self, first-free
var trace-ah/eax: (addr handle array trace-line) <- get self, data
var _trace/eax: (addr array trace-line) <- lookup *trace-ah
var trace/esi: (addr array trace-line) <- copy _trace
var i/ecx: int <- copy 0
{
compare i, *max
break-if->=
var offset/eax: (offset trace-line) <- compute-offset trace, i
var curr/eax: (addr trace-line) <- index trace, offset
var curr-depth-a/eax: (addr int) <- get curr, depth
compare *curr-depth-a, 0/error
{
break-if-!=
return 1/true
}
i <- increment
loop
}
return 0/false
}
fn should-trace? _self: (addr trace) -> _/eax: boolean {
var self/esi: (addr trace) <- copy _self
compare self, 0
{
break-if-!=
abort "null trace"
}
var depth-a/ecx: (addr int) <- get self, curr-depth
var depth/ecx: int <- copy *depth-a
var max-depth-a/eax: (addr int) <- get self, max-depth
compare depth, *max-depth-a
{
break-if->=
return 1/true
}
return 0/false
}
fn trace _self: (addr trace), label: (addr array byte), message: (addr stream byte) {
var self/esi: (addr trace) <- copy _self
compare self, 0
{
break-if-!=
abort "null trace"
}
var should-trace?/eax: boolean <- should-trace? self
compare should-trace?, 0/false
{
break-if-!=
return
}
var data-ah/eax: (addr handle array trace-line) <- get self, data
var data/eax: (addr array trace-line) <- lookup *data-ah
var index-addr/edi: (addr int) <- get self, first-free
{
compare *index-addr, 0x8000/lines
break-if-<
return
}
var index/ecx: int <- copy *index-addr
var offset/ecx: (offset trace-line) <- compute-offset data, index
var dest/eax: (addr trace-line) <- index data, offset
var depth/ecx: (addr int) <- get self, curr-depth
rewind-stream message
{
compare *index-addr, 0x7fff/lines
break-if-<
clear-stream message
write message, "No space left in trace\n"
write message, "Please either:\n"
write message, " - find a smaller sub-computation to test,\n"
write message, " - allocate more space to the trace in initialize-sandbox\n"
write message, " (shell/sandbox.mu), or\n"
write message, " - move the computation to 'main' and run it using ctrl-r"
initialize-trace-line 0/depth, "error", message, dest
increment *index-addr
return
}
initialize-trace-line *depth, label, message, dest
increment *index-addr
}
fn trace-text self: (addr trace), label: (addr array byte), s: (addr array byte) {
compare self, 0
{
break-if-!=
abort "null trace"
}
var data-storage: (stream byte 0x100)
var data/eax: (addr stream byte) <- address data-storage
write data, s
trace self, label, data
}
fn error _self: (addr trace), message: (addr array byte) {
var self/esi: (addr trace) <- copy _self
compare self, 0
{
break-if-!=
abort "null trace"
}
var curr-depth-a/eax: (addr int) <- get self, curr-depth
var save-depth/ecx: int <- copy *curr-depth-a
copy-to *curr-depth-a, 0/error
trace-text self, "error", message
copy-to *curr-depth-a, save-depth
}
fn error-stream _self: (addr trace), message: (addr stream byte) {
var self/esi: (addr trace) <- copy _self
compare self, 0
{
break-if-!=
abort "null trace"
}
var curr-depth-a/eax: (addr int) <- get self, curr-depth
var save-depth/ecx: int <- copy *curr-depth-a
copy-to *curr-depth-a, 0/error
trace self, "error", message
copy-to *curr-depth-a, save-depth
}
fn initialize-trace-line depth: int, label: (addr array byte), data: (addr stream byte), _out: (addr trace-line) {
var out/edi: (addr trace-line) <- copy _out
# depth
var src/eax: int <- copy depth
var dest/ecx: (addr int) <- get out, depth
copy-to *dest, src
# label
var dest/eax: (addr handle array byte) <- get out, label
copy-array-object label, dest
# data
var dest/eax: (addr handle array byte) <- get out, data
stream-to-array data, dest
}
fn trace-lower _self: (addr trace) {
var self/esi: (addr trace) <- copy _self
compare self, 0
{
break-if-!=
abort "null trace"
}
var depth/eax: (addr int) <- get self, curr-depth
increment *depth
}
fn trace-higher _self: (addr trace) {
var self/esi: (addr trace) <- copy _self
compare self, 0
{
break-if-!=
abort "null trace"
}
var depth/eax: (addr int) <- get self, curr-depth
decrement *depth
}
## checking traces
fn check-trace-scans-to self: (addr trace), label: (addr array byte), data: (addr array byte), message: (addr array byte) {
var tmp/eax: boolean <- trace-scans-to? self, label, data
check tmp, message
}
fn trace-scans-to? _self: (addr trace), label: (addr array byte), data: (addr array byte) -> _/eax: boolean {
var self/esi: (addr trace) <- copy _self
var start/eax: (addr int) <- get self, first-full
var result/eax: boolean <- trace-contains? self, label, data, *start
return result
}
fn test-trace-scans-to {
var t-storage: trace
var t/esi: (addr trace) <- address t-storage
initialize-trace t, 0x100/max-depth, 0x10/capacity, 0/visible # we don't use trace UI
#
trace-text t, "label", "line 1"
trace-text t, "label", "line 2"
check-trace-scans-to t, "label", "line 1", "F - test-trace-scans-to/0"
check-trace-scans-to t, "label", "line 2", "F - test-trace-scans-to/1"
var tmp/eax: boolean <- trace-scans-to? t, "label", "line 1"
check-not tmp, "F - test-trace-scans-to: fail on previously encountered lines"
var tmp/eax: boolean <- trace-scans-to? t, "label", "line 3"
check-not tmp, "F - test-trace-scans-to: fail on missing"
}
# scan trace from start
# resets previous scans
fn check-trace-contains self: (addr trace), label: (addr array byte), data: (addr array byte), message: (addr array byte) {
var tmp/eax: boolean <- trace-contains? self, label, data, 0
check tmp, message
}
fn test-trace-contains {
var t-storage: trace
var t/esi: (addr trace) <- address t-storage
initialize-trace t, 0x100/max-depth, 0x10/capacity, 0/visible # we don't use trace UI
#
trace-text t, "label", "line 1"
trace-text t, "label", "line 2"
check-trace-contains t, "label", "line 1", "F - test-trace-contains/0"
check-trace-contains t, "label", "line 2", "F - test-trace-contains/1"
check-trace-contains t, "label", "line 1", "F - test-trace-contains: find previously encountered lines"
var tmp/eax: boolean <- trace-contains? t, "label", "line 3", 0/start
check-not tmp, "F - test-trace-contains: fail on missing"
}
# this is super-inefficient, string comparing every trace line
fn trace-contains? _self: (addr trace), label: (addr array byte), data: (addr array byte), start: int -> _/eax: boolean {
var self/esi: (addr trace) <- copy _self
var candidates-ah/eax: (addr handle array trace-line) <- get self, data
var candidates/eax: (addr array trace-line) <- lookup *candidates-ah
var i/ecx: int <- copy start
var max/edx: (addr int) <- get self, first-free
{
compare i, *max
break-if->=
{
var read-until-index/eax: (addr int) <- get self, first-full
copy-to *read-until-index, i
}
{
var curr-offset/ecx: (offset trace-line) <- compute-offset candidates, i
var curr/ecx: (addr trace-line) <- index candidates, curr-offset
# if curr->label does not match, return false
var curr-label-ah/eax: (addr handle array byte) <- get curr, label
var curr-label/eax: (addr array byte) <- lookup *curr-label-ah
var match?/eax: boolean <- string-equal? curr-label, label
compare match?, 0/false
break-if-=
# if curr->data does not match, return false
var curr-data-ah/eax: (addr handle array byte) <- get curr, data
var curr-data/eax: (addr array byte) <- lookup *curr-data-ah
var match?/eax: boolean <- string-equal? curr-data, data
compare match?, 0/false
break-if-=
return 1/true
}
i <- increment
loop
}
return 0/false
}
fn trace-lines-equal? _a: (addr trace-line), _b: (addr trace-line) -> _/eax: boolean {
var a/esi: (addr trace-line) <- copy _a
var b/edi: (addr trace-line) <- copy _b
var a-depth/ecx: (addr int) <- get a, depth
var b-depth/edx: (addr int) <- get b, depth
var benchmark/eax: int <- copy *b-depth
compare *a-depth, benchmark
{
break-if-=
return 0/false
}
var a-label-ah/eax: (addr handle array byte) <- get a, label
var _a-label/eax: (addr array byte) <- lookup *a-label-ah
var a-label/ecx: (addr array byte) <- copy _a-label
var b-label-ah/ebx: (addr handle array byte) <- get b, label
var b-label/eax: (addr array byte) <- lookup *b-label-ah
var label-match?/eax: boolean <- string-equal? a-label, b-label
{
compare label-match?, 0/false
break-if-!=
return 0/false
}
var a-data-ah/eax: (addr handle array byte) <- get a, data
var _a-data/eax: (addr array byte) <- lookup *a-data-ah
var a-data/ecx: (addr array byte) <- copy _a-data
var b-data-ah/ebx: (addr handle array byte) <- get b, data
var b-data/eax: (addr array byte) <- lookup *b-data-ah
var data-match?/eax: boolean <- string-equal? a-data, b-data
return data-match?
}
fn dump-trace _self: (addr trace) {
var y/ecx: int <- copy 0
var self/esi: (addr trace) <- copy _self
compare self, 0
{
break-if-!=
abort "null trace"
}
var trace-ah/eax: (addr handle array trace-line) <- get self, data
var _trace/eax: (addr array trace-line) <- lookup *trace-ah
var trace/edi: (addr array trace-line) <- copy _trace
var i/edx: int <- copy 0
var max-addr/ebx: (addr int) <- get self, first-free
var max/ebx: int <- copy *max-addr
$dump-trace:loop: {
compare i, max
break-if->=
$dump-trace:iter: {
var offset/ebx: (offset trace-line) <- compute-offset trace, i
var curr/ebx: (addr trace-line) <- index trace, offset
y <- render-trace-line 0/screen, curr, 0, y, 0x80/width, 0x30/height, 7/fg, 0/bg, 0/clip
}
i <- increment
loop
}
}
fn dump-trace-with-label _self: (addr trace), label: (addr array byte) {
var y/ecx: int <- copy 0
var self/esi: (addr trace) <- copy _self
compare self, 0
{
break-if-!=
abort "null trace"
}
var trace-ah/eax: (addr handle array trace-line) <- get self, data
var _trace/eax: (addr array trace-line) <- lookup *trace-ah
var trace/edi: (addr array trace-line) <- copy _trace
var i/edx: int <- copy 0
var max-addr/ebx: (addr int) <- get self, first-free
var max/ebx: int <- copy *max-addr
$dump-trace-with-label:loop: {
compare i, max
break-if->=
$dump-trace-with-label:iter: {
var offset/ebx: (offset trace-line) <- compute-offset trace, i
var curr/ebx: (addr trace-line) <- index trace, offset
var curr-label-ah/eax: (addr handle array byte) <- get curr, label
var curr-label/eax: (addr array byte) <- lookup *curr-label-ah
var show?/eax: boolean <- string-equal? curr-label, label
compare show?, 0/false
break-if-=
y <- render-trace-line 0/screen, curr, 0, y, 0x80/width, 0x30/height, 7/fg, 0/bg, 0/clip
}
i <- increment
loop
}
}
## UI stuff
fn mark-lines-dirty _self: (addr trace) {
var self/eax: (addr trace) <- copy _self
var dest/edx: (addr boolean) <- get self, recreate-caches?
copy-to *dest, 1/true
}
fn mark-lines-clean _self: (addr trace) {
var self/eax: (addr trace) <- copy _self
var dest/edx: (addr boolean) <- get self, recreate-caches?
copy-to *dest, 0/false
}
fn render-trace screen: (addr screen), _self: (addr trace), xmin: int, ymin: int, xmax: int, ymax: int, show-cursor?: boolean -> _/ecx: int {
var already-hiding-lines?: boolean
var self/esi: (addr trace) <- copy _self
compare self, 0
{
break-if-!=
abort "null trace"
}
var y/ecx: int <- copy ymin
# recreate caches if necessary
var recreate-caches?/eax: (addr boolean) <- get self, recreate-caches?
compare *recreate-caches?, 0/false
{
break-if-=
# cache ymin
var dest/eax: (addr int) <- get self, top-line-y
copy-to *dest, y
# cache ymax
var ymax/ecx: int <- copy ymax
dest <- get self, screen-height
copy-to *dest, ymax
#
recompute-all-visible-lines self
mark-lines-clean self
}
clamp-cursor-to-top self, y
var trace-ah/eax: (addr handle array trace-line) <- get self, data
var _trace/eax: (addr array trace-line) <- lookup *trace-ah
var trace/edi: (addr array trace-line) <- copy _trace
var max-addr/ebx: (addr int) <- get self, first-free
var max/ebx: int <- copy *max-addr
# display trace depth (not in tests)
$render-trace:render-depth: {
compare max, 0
break-if-<=
var max-depth/edx: (addr int) <- get self, max-depth
{
var width/eax: int <- copy 0
var height/ecx: int <- copy 0
width, height <- screen-size screen
compare width, 0x80
break-if-< $render-trace:render-depth
}
set-cursor-position screen, 0x70/x, y
draw-text-rightward-from-cursor-over-full-screen screen, "trace depth: ", 0x17/fg, 0xc5/bg=blue-bg
draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen screen, *max-depth, 0x7/fg, 0xc5/bg=blue-bg
}
var top-line-addr/edx: (addr int) <- get self, top-line-index
var i/edx: int <- copy *top-line-addr
$render-trace:loop: {
compare i, max
break-if->=
compare y, ymax
break-if->=
$render-trace:iter: {
var offset/ebx: (offset trace-line) <- compute-offset trace, i
var curr/ebx: (addr trace-line) <- index trace, offset
var curr-label-ah/eax: (addr handle array byte) <- get curr, label
var curr-label/eax: (addr array byte) <- lookup *curr-label-ah
var bg: int
copy-to bg, 0xc5/bg=blue-bg
var fg: int
copy-to fg, 0x38/fg=trace
compare show-cursor?, 0/false
{
break-if-=
var cursor-y/eax: (addr int) <- get self, cursor-y
compare *cursor-y, y
break-if-!=
copy-to bg, 7/trace-cursor-line-bg
copy-to fg, 0x68/cursor-line-fg=sober-blue
var cursor-line-index/eax: (addr int) <- get self, cursor-line-index
copy-to *cursor-line-index, i
}
# always display errors
{
var curr-depth/eax: (addr int) <- get curr, depth
compare *curr-depth, 0/error
break-if-!=
y <- render-trace-line screen, curr, xmin, y, xmax, ymax, 0xc/fg=trace-error, bg, 0/clip
copy-to already-hiding-lines?, 0/false
break $render-trace:iter
}
# display expanded lines
var display?/eax: boolean <- should-render? curr
{
compare display?, 0/false
break-if-=
var unclip-cursor-line?/eax: boolean <- unclip-cursor-line? self, i
y <- render-trace-line screen, curr, xmin, y, xmax, ymax, fg, bg, unclip-cursor-line?
copy-to already-hiding-lines?, 0/false
break $render-trace:iter
}
# ignore the rest
compare already-hiding-lines?, 0/false
{
break-if-!=
var x/eax: int <- copy xmin
x, y <- draw-text-wrapping-right-then-down screen, "...", xmin, ymin, xmax, ymax, x, y, fg, bg
y <- increment
copy-to already-hiding-lines?, 1/true
}
}
i <- increment
loop
}
# prevent cursor from going too far down
clamp-cursor-to-bottom self, y, screen, xmin, ymin, xmax, ymax
return y
}
fn unclip-cursor-line? _self: (addr trace), _i: int -> _/eax: boolean {
# if unclip? and i == *cursor-line-index, render unclipped
var self/esi: (addr trace) <- copy _self
var unclip-cursor-line?/eax: (addr boolean) <- get self, unclip-cursor-line?
compare *unclip-cursor-line?, 0/false
{
break-if-!=
return 0/false
}
var cursor-line-index/eax: (addr int) <- get self, cursor-line-index
var i/ecx: int <- copy _i
compare i, *cursor-line-index
{
break-if-=
return 0/false
}
return 1/true
}
fn render-trace-line screen: (addr screen), _self: (addr trace-line), xmin: int, ymin: int, xmax: int, ymax: int, fg: int, bg: int, unclip?: boolean -> _/ecx: int {
var self/esi: (addr trace-line) <- copy _self
var xsave/edx: int <- copy xmin
var y/ecx: int <- copy ymin
# show depth for non-errors
var depth-a/ebx: (addr int) <- get self, depth
compare *depth-a, 0/error
{
break-if-=
var x/eax: int <- copy xsave
{
x, y <- draw-int32-decimal-wrapping-right-then-down screen, *depth-a, xmin, ymin, xmax, ymax, x, y, fg, bg
x, y <- draw-text-wrapping-right-then-down screen, " ", xmin, ymin, xmax, ymax, x, y, fg, bg
# don't show label in UI; it's just for tests
}
xsave <- copy x
}
var data-ah/eax: (addr handle array byte) <- get self, data
var _data/eax: (addr array byte) <- lookup *data-ah
var data/ebx: (addr array byte) <- copy _data
var x/eax: int <- copy xsave
compare unclip?, 0/false
{
break-if-=
x, y <- draw-text-wrapping-right-then-down screen, data, xmin, ymin, xmax, ymax, x, y, fg, bg
}
compare unclip?, 0/false
{
break-if-!=
x <- draw-text-rightward screen, data, x, xmax, y, fg, bg
}
y <- increment
return y
}
fn should-render? _line: (addr trace-line) -> _/eax: boolean {
var line/eax: (addr trace-line) <- copy _line
var result/eax: (addr boolean) <- get line, visible?
return *result
}
# This is super-inefficient, string-comparing every trace line
# against every visible line.
fn recompute-all-visible-lines _self: (addr trace) {
var self/esi: (addr trace) <- copy _self
var max-addr/edx: (addr int) <- get self, first-free
var trace-ah/eax: (addr handle array trace-line) <- get self, data
var _trace/eax: (addr array trace-line) <- lookup *trace-ah
var trace/esi: (addr array trace-line) <- copy _trace
var i/ecx: int <- copy 0
{
compare i, *max-addr
break-if->=
var offset/ebx: (offset trace-line) <- compute-offset trace, i
var curr/ebx: (addr trace-line) <- index trace, offset
recompute-visibility _self, curr
i <- increment
loop
}
}
fn recompute-visibility _self: (addr trace), _line: (addr trace-line) {
var self/esi: (addr trace) <- copy _self
# recompute
var candidates-ah/eax: (addr handle array trace-line) <- get self, visible
var candidates/eax: (addr array trace-line) <- lookup *candidates-ah
var i/ecx: int <- copy 0
var len/edx: int <- length candidates
{
compare i, len
break-if->=
{
var curr-offset/ecx: (offset trace-line) <- compute-offset candidates, i
var curr/ecx: (addr trace-line) <- index candidates, curr-offset
var match?/eax: boolean <- trace-lines-equal? curr, _line
compare match?, 0/false
break-if-=
var line/eax: (addr trace-line) <- copy _line
var dest/eax: (addr boolean) <- get line, visible?
copy-to *dest, 1/true
return
}
i <- increment
loop
}
var line/eax: (addr trace-line) <- copy _line
var dest/eax: (addr boolean) <- get line, visible?
copy-to *dest, 0/false
}
fn clamp-cursor-to-top _self: (addr trace), _y: int {
var y/ecx: int <- copy _y
var self/esi: (addr trace) <- copy _self
var cursor-y/eax: (addr int) <- get self, cursor-y
compare *cursor-y, y
break-if->=
copy-to *cursor-y, y
}
# extremely hacky; consider deleting test-render-trace-empty-3 when you clean this up
# TODO: duplicates logic for rendering a line
fn clamp-cursor-to-bottom _self: (addr trace), _y: int, screen: (addr screen), xmin: int, ymin: int, xmax: int, ymax: int {
var y/ebx: int <- copy _y
compare y, ymin
{
break-if->
return
}
y <- decrement
var self/esi: (addr trace) <- copy _self
var cursor-y/eax: (addr int) <- get self, cursor-y
compare *cursor-y, y
break-if-<=
copy-to *cursor-y, y
# redraw cursor-line
var trace-ah/eax: (addr handle array trace-line) <- get self, data
var trace/eax: (addr array trace-line) <- lookup *trace-ah
var cursor-line-index-addr/ecx: (addr int) <- get self, cursor-line-index
var cursor-line-index/ecx: int <- copy *cursor-line-index-addr
var first-free/edx: (addr int) <- get self, first-free
compare cursor-line-index, *first-free
{
break-if-<
return
}
var cursor-offset/ecx: (offset trace-line) <- compute-offset trace, cursor-line-index
var cursor-line/ecx: (addr trace-line) <- index trace, cursor-offset
var display?/eax: boolean <- should-render? cursor-line
{
compare display?, 0/false
break-if-=
var dummy/ecx: int <- render-trace-line screen, cursor-line, xmin, y, xmax, ymax, 0x38/fg=trace, 7/cursor-line-bg, 0/clip
return
}
var dummy1/eax: int <- copy 0
var dummy2/ecx: int <- copy 0
dummy1, dummy2 <- draw-text-wrapping-right-then-down screen, "...", xmin, ymin, xmax, ymax, xmin, y, 9/fg=trace, 7/cursor-line-bg
}
fn test-render-trace-empty {
var t-storage: trace
var t/esi: (addr trace) <- address t-storage
initialize-trace t, 0x100/max-depth, 0x10, 0x10
# setup: screen
var screen-on-stack: screen
var screen/edi: (addr screen) <- address screen-on-stack
initialize-screen screen, 5/width, 4/height, 0/no-pixel-graphics
#
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 5/xmax, 4/ymax, 0/no-cursor
#
check-ints-equal y, 0, "F - test-render-trace-empty/cursor"
check-screen-row screen, 0/y, " ", "F - test-render-trace-empty"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, " ", "F - test-render-trace-empty/bg"
}
fn test-render-trace-empty-2 {
var t-storage: trace
var t/esi: (addr trace) <- address t-storage
initialize-trace t, 0x100/max-depth, 0x10, 0x10
# setup: screen
var screen-on-stack: screen
var screen/edi: (addr screen) <- address screen-on-stack
initialize-screen screen, 5/width, 4/height, 0/no-pixel-graphics
#
var y/ecx: int <- render-trace screen, t, 0/xmin, 2/ymin, 5/xmax, 4/ymax, 0/no-cursor # cursor below top row
#
check-ints-equal y, 2, "F - test-render-trace-empty-2/cursor"
check-screen-row screen, 2/y, " ", "F - test-render-trace-empty-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-render-trace-empty-2/bg"
}
fn test-render-trace-empty-3 {
var t-storage: trace
var t/esi: (addr trace) <- address t-storage
initialize-trace t, 0x100/max-depth, 0x10, 0x10
# setup: screen
var screen-on-stack: screen
var screen/edi: (addr screen) <- address screen-on-stack
initialize-screen screen, 5/width, 4/height, 0/no-pixel-graphics
#
var y/ecx: int <- render-trace screen, t, 0/xmin, 2/ymin, 5/xmax, 4/ymax, 1/show-cursor # try show cursor
# still no cursor to show
check-ints-equal y, 2, "F - test-render-trace-empty-3/cursor"
check-screen-row screen, 1/y, " ", "F - test-render-trace-empty-3/line-above-cursor"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-render-trace-empty-3/bg-for-line-above-cursor"
check-screen-row screen, 2/y, " ", "F - test-render-trace-empty-3"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-render-trace-empty-3/bg"
}
fn test-render-trace-collapsed-by-default {
var t-storage: trace
var t/esi: (addr trace) <- address t-storage
initialize-trace t, 0x100/max-depth, 0x10, 0x10
trace-text t, "l", "data"
# setup: screen
var screen-on-stack: screen
var screen/edi: (addr screen) <- address screen-on-stack
initialize-screen screen, 5/width, 4/height, 0/no-pixel-graphics
#
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 5/xmax, 4/ymax, 0/no-cursor
#
check-ints-equal y, 1, "F - test-render-trace-collapsed-by-default/cursor"
check-screen-row screen, 0/y, "... ", "F - test-render-trace-collapsed-by-default"
}
fn test-render-trace-error {
var t-storage: trace
var t/esi: (addr trace) <- address t-storage
initialize-trace t, 0x100/max-depth, 0x10, 0x10
error t, "error"
# setup: screen
var screen-on-stack: screen
var screen/edi: (addr screen) <- address screen-on-stack
initialize-screen screen, 0xa/width, 4/height, 0/no-pixel-graphics
#
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0xa/xmax, 4/ymax, 0/no-cursor
#
check-ints-equal y, 1, "F - test-render-trace-error/cursor"
check-screen-row screen, 0/y, "error", "F - test-render-trace-error"
}
fn test-render-trace-error-at-start {
var t-storage: trace
var t/esi: (addr trace) <- address t-storage
initialize-trace t, 0x100/max-depth, 0x10, 0x10
#
error t, "error"
trace-text t, "l", "data"
# setup: screen
var screen-on-stack: screen
var screen/edi: (addr screen) <- address screen-on-stack
initialize-screen screen, 0xa/width, 4/height, 0/no-pixel-graphics
#
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0xa/xmax, 4/ymax, 0/no-cursor
#
check-ints-equal y, 2, "F - test-render-trace-error-at-start/cursor"
check-screen-row screen, 0/y, "error", "F - test-render-trace-error-at-start/0"
check-screen-row screen, 1/y, "... ", "F - test-render-trace-error-at-start/1"
}
fn test-render-trace-error-at-end {
var t-storage: trace
var t/esi: (addr trace) <- address t-storage
initialize-trace t, 0x100/max-depth, 0x10, 0x10
#
trace-text t, "l", "data"
error t, "error"
# setup: screen
var screen-on-stack: screen
var screen/edi: (addr screen) <- address screen-on-stack
initialize-screen screen, 0xa/width, 4/height, 0/no-pixel-graphics
#
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0xa/xmax, 4/ymax, 0/no-cursor
#
check-ints-equal y, 2, "F - test-render-trace-error-at-end/cursor"
check-screen-row screen, 0/y, "... ", "F - test-render-trace-error-at-end/0"
check-screen-row screen, 1/y, "error", "F - test-render-trace-error-at-end/1"
}
fn test-render-trace-error-in-the-middle {
var t-storage: trace
var t/esi: (addr trace) <- address t-storage
initialize-trace t, 0x100/max-depth, 0x10, 0x10
#
trace-text t, "l", "line 1"
error t, "error"
trace-text t, "l", "line 3"
# setup: screen
var screen-on-stack: screen
var screen/edi: (addr screen) <- address screen-on-stack
initialize-screen screen, 0xa/width, 4/height, 0/no-pixel-graphics
#
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0xa/xmax, 4/ymax, 0/no-cursor
#
check-ints-equal y, 3, "F - test-render-trace-error-in-the-middle/cursor"
check-screen-row screen, 0/y, "... ", "F - test-render-trace-error-in-the-middle/0"
check-screen-row screen, 1/y, "error", "F - test-render-trace-error-in-the-middle/1"
check-screen-row screen, 2/y, "... ", "F - test-render-trace-error-in-the-middle/2"
}
fn test-render-trace-cursor-in-single-line {
var t-storage: trace
var t/esi: (addr trace) <- address t-storage
initialize-trace t, 0x100/max-depth, 0x10, 0x10
#
trace-text t, "l", "line 1"
error t, "error"
trace-text t, "l", "line 3"
# setup: screen
var screen-on-stack: screen
var screen/edi: (addr screen) <- address screen-on-stack
initialize-screen screen, 0xa/width, 4/height, 0/no-pixel-graphics
#
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0xa/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "... ", "F - test-render-trace-cursor-in-single-line/0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "||| ", "F - test-render-trace-cursor-in-single-line/0/cursor"
check-screen-row screen, 1/y, "error ", "F - test-render-trace-cursor-in-single-line/1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-render-trace-cursor-in-single-line/1/cursor"
check-screen-row screen, 2/y, "... ", "F - test-render-trace-cursor-in-single-line/2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-render-trace-cursor-in-single-line/2/cursor"
}
fn render-trace-menu screen: (addr screen) {
var width/eax: int <- copy 0
var height/ecx: int <- copy 0
width, height <- screen-size screen
var y/ecx: int <- copy height
y <- decrement
var height/edx: int <- copy y
height <- increment
clear-rect screen, 0/x, y, width, height, 0xc5/bg=blue-bg
set-cursor-position screen, 0/x, y
draw-text-rightward-from-cursor screen, " ^r ", width, 0/fg, 0x5c/bg=menu-highlight
draw-text-rightward-from-cursor screen, " run main ", width, 7/fg, 0xc5/bg=blue-bg
draw-text-rightward-from-cursor screen, " ^g ", width, 0/fg, 0x5c/bg=menu-highlight
draw-text-rightward-from-cursor screen, " go to ", width, 7/fg, 0xc5/bg=blue-bg
draw-text-rightward-from-cursor screen, " ^m ", width, 0/fg, 3/bg=keyboard
draw-text-rightward-from-cursor screen, " to keyboard ", width, 7/fg, 0xc5/bg=blue-bg
draw-text-rightward-from-cursor screen, " enter/bksp ", width, 0/fg, 0x5c/bg=menu-highlight
draw-text-rightward-from-cursor screen, " expand/collapse ", width, 7/fg, 0xc5/bg=blue-bg
draw-text-rightward-from-cursor screen, " ^s ", width, 0/fg, 0x5c/bg=menu-highlight
draw-text-rightward-from-cursor screen, " show whole line ", width, 7/fg, 0xc5/bg=blue-bg
}
fn edit-trace _self: (addr trace), key: grapheme {
var self/esi: (addr trace) <- copy _self
# cursor down
{
compare key, 0x6a/j
break-if-!=
var cursor-y/eax: (addr int) <- get self, cursor-y
increment *cursor-y
var unclip-cursor-line?/eax: (addr boolean) <- get self, unclip-cursor-line?
copy-to *unclip-cursor-line?, 0/false
return
}
{
compare key, 0x81/down-arrow
break-if-!=
var cursor-y/eax: (addr int) <- get self, cursor-y
increment *cursor-y
var unclip-cursor-line?/eax: (addr boolean) <- get self, unclip-cursor-line?
copy-to *unclip-cursor-line?, 0/false
return
}
# cursor up
{
compare key, 0x6b/k
break-if-!=
var cursor-y/eax: (addr int) <- get self, cursor-y
decrement *cursor-y
var unclip-cursor-line?/eax: (addr boolean) <- get self, unclip-cursor-line?
copy-to *unclip-cursor-line?, 0/false
return
}
{
compare key, 0x82/up-arrow
break-if-!=
var cursor-y/eax: (addr int) <- get self, cursor-y
decrement *cursor-y
var unclip-cursor-line?/eax: (addr boolean) <- get self, unclip-cursor-line?
copy-to *unclip-cursor-line?, 0/false
return
}
# enter = expand
{
compare key, 0xa/newline
break-if-!=
expand self
return
}
# backspace = collapse
{
compare key, 8/backspace
break-if-!=
collapse self
return
}
# ctrl-s: temporarily unclip current line
{
compare key, 0x13/ctrl-s
break-if-!=
var unclip-cursor-line?/eax: (addr boolean) <- get self, unclip-cursor-line?
copy-to *unclip-cursor-line?, 1/true
return
}
# ctrl-f: scroll down
{
compare key, 6/ctrl-f
break-if-!=
scroll-down self
return
}
# ctrl-b: scroll up
{
compare key, 2/ctrl-b
break-if-!=
scroll-up self
return
}
}
fn expand _self: (addr trace) {
var self/esi: (addr trace) <- copy _self
var trace-ah/eax: (addr handle array trace-line) <- get self, data
var _trace/eax: (addr array trace-line) <- lookup *trace-ah
var trace/edi: (addr array trace-line) <- copy _trace
var cursor-line-index-addr/ecx: (addr int) <- get self, cursor-line-index
var cursor-line-index/ecx: int <- copy *cursor-line-index-addr
var cursor-line-offset/eax: (offset trace-line) <- compute-offset trace, cursor-line-index
var cursor-line/edx: (addr trace-line) <- index trace, cursor-line-offset
var cursor-line-visible?/eax: (addr boolean) <- get cursor-line, visible?
var cursor-line-depth/ebx: (addr int) <- get cursor-line, depth
var target-depth/ebx: int <- copy *cursor-line-depth
# if cursor-line is already visible, do nothing
compare *cursor-line-visible?, 0/false
{
break-if-=
#? draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "visible", 7/fg 0/bg
return
}
# reveal the run of lines starting at cursor-line-index with depth target-depth
var i/ecx: int <- copy cursor-line-index
var max/edx: (addr int) <- get self, first-free
{
compare i, *max
break-if->=
var curr-line-offset/eax: (offset trace-line) <- compute-offset trace, i
var curr-line/edx: (addr trace-line) <- index trace, curr-line-offset
var curr-line-depth/eax: (addr int) <- get curr-line, depth
compare *curr-line-depth, target-depth
break-if-<
{
break-if-!=
var curr-line-visible?/eax: (addr boolean) <- get curr-line, visible?
copy-to *curr-line-visible?, 1/true
reveal-trace-line self, curr-line
}
i <- increment
loop
}
}
fn collapse _self: (addr trace) {
var self/esi: (addr trace) <- copy _self
var trace-ah/eax: (addr handle array trace-line) <- get self, data
var _trace/eax: (addr array trace-line) <- lookup *trace-ah
var trace/edi: (addr array trace-line) <- copy _trace
var cursor-line-index-addr/ecx: (addr int) <- get self, cursor-line-index
var cursor-line-index/ecx: int <- copy *cursor-line-index-addr
var cursor-line-offset/eax: (offset trace-line) <- compute-offset trace, cursor-line-index
var cursor-line/edx: (addr trace-line) <- index trace, cursor-line-offset
var cursor-line-visible?/eax: (addr boolean) <- get cursor-line, visible?
# if cursor-line is not visible, do nothing
compare *cursor-line-visible?, 0/false
{
break-if-!=
return
}
# hide all lines between previous and next line with a lower depth
var cursor-line-depth/ebx: (addr int) <- get cursor-line, depth
var cursor-y/edx: (addr int) <- get self, cursor-y
var target-depth/ebx: int <- copy *cursor-line-depth
var i/ecx: int <- copy cursor-line-index
$collapse:loop1: {
compare i, 0
break-if-<
var curr-line-offset/eax: (offset trace-line) <- compute-offset trace, i
var curr-line/eax: (addr trace-line) <- index trace, curr-line-offset
{
var curr-line-depth/eax: (addr int) <- get curr-line, depth
compare *curr-line-depth, target-depth
break-if-< $collapse:loop1
}
# if cursor-line is visible, decrement cursor-y
{
var curr-line-visible?/eax: (addr boolean) <- get curr-line, visible?
compare *curr-line-visible?, 0/false
break-if-=
decrement *cursor-y
}
i <- decrement
loop
}
i <- increment
var max/edx: (addr int) <- get self, first-free
$collapse:loop2: {
compare i, *max
break-if->=
var curr-line-offset/eax: (offset trace-line) <- compute-offset trace, i
var curr-line/edx: (addr trace-line) <- index trace, curr-line-offset
var curr-line-depth/eax: (addr int) <- get curr-line, depth
compare *curr-line-depth, target-depth
break-if-<
{
hide-trace-line self, curr-line
var curr-line-visible?/eax: (addr boolean) <- get curr-line, visible?
copy-to *curr-line-visible?, 0/false
}
i <- increment
loop
}
}
# the 'visible' array is not required to be in order
# elements can also be deleted out of order
# so it can have holes
# however, lines in it always have visible? set
# we'll use visible? being unset as a sign of emptiness
fn reveal-trace-line _self: (addr trace), line: (addr trace-line) {
var self/esi: (addr trace) <- copy _self
var visible-ah/eax: (addr handle array trace-line) <- get self, visible
var visible/eax: (addr array trace-line) <- lookup *visible-ah
var i/ecx: int <- copy 0
var len/edx: int <- length visible
{
compare i, len
break-if->=
var curr-offset/edx: (offset trace-line) <- compute-offset visible, i
var curr/edx: (addr trace-line) <- index visible, curr-offset
var curr-visible?/eax: (addr boolean) <- get curr, visible?
compare *curr-visible?, 0/false
{
break-if-!=
# empty slot found
copy-object line, curr
return
}
i <- increment
loop
}
abort "too many visible lines; increase size of array trace.visible"
}
fn hide-trace-line _self: (addr trace), line: (addr trace-line) {
var self/esi: (addr trace) <- copy _self
var visible-ah/eax: (addr handle array trace-line) <- get self, visible
var visible/eax: (addr array trace-line) <- lookup *visible-ah
var i/ecx: int <- copy 0
var len/edx: int <- length visible
{
compare i, len
break-if->=
var curr-offset/edx: (offset trace-line) <- compute-offset visible, i
var curr/edx: (addr trace-line) <- index visible, curr-offset
var found?/eax: boolean <- trace-lines-equal? curr, line
compare found?, 0/false
{
break-if-=
clear-object curr
}
i <- increment
loop
}
}
fn cursor-too-deep? _self: (addr trace) -> _/eax: boolean {
var self/esi: (addr trace) <- copy _self
var trace-ah/eax: (addr handle array trace-line) <- get self, data
var _trace/eax: (addr array trace-line) <- lookup *trace-ah
var trace/edi: (addr array trace-line) <- copy _trace
var cursor-line-index-addr/ecx: (addr int) <- get self, cursor-line-index
var cursor-line-index/ecx: int <- copy *cursor-line-index-addr
var cursor-line-offset/eax: (offset trace-line) <- compute-offset trace, cursor-line-index
var cursor-line/edx: (addr trace-line) <- index trace, cursor-line-offset
var cursor-line-visible?/eax: (addr boolean) <- get cursor-line, visible?
var cursor-line-depth/ebx: (addr int) <- get cursor-line, depth
var target-depth/ebx: int <- copy *cursor-line-depth
# if cursor-line is visible, return false
compare *cursor-line-visible?, 0/false
{
break-if-=
return 0/false
}
# return cursor-line-depth >= max-depth-1
target-depth <- increment
var max-depth-addr/eax: (addr int) <- get self, max-depth
compare target-depth, *max-depth-addr
{
break-if-<
return 1/true
}
return 0/false
}
fn test-cursor-down-and-up-within-trace {
var t-storage: trace
var t/esi: (addr trace) <- address t-storage
initialize-trace t, 0x100/max-depth, 0x10, 0x10
#
trace-text t, "l", "line 1"
error t, "error"
trace-text t, "l", "line 3"
# setup: screen
var screen-on-stack: screen
var screen/edi: (addr screen) <- address screen-on-stack
initialize-screen screen, 0xa/width, 4/height, 0/no-pixel-graphics
#
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0xa/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "... ", "F - test-cursor-down-and-up-within-trace/pre-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "||| ", "F - test-cursor-down-and-up-within-trace/pre-0/cursor"
check-screen-row screen, 1/y, "error ", "F - test-cursor-down-and-up-within-trace/pre-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-cursor-down-and-up-within-trace/pre-1/cursor"
check-screen-row screen, 2/y, "... ", "F - test-cursor-down-and-up-within-trace/pre-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-cursor-down-and-up-within-trace/pre-2/cursor"
# cursor down
edit-trace t, 0x6a/j
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0xa/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "... ", "F - test-cursor-down-and-up-within-trace/down-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, " ", "F - test-cursor-down-and-up-within-trace/down-0/cursor"
check-screen-row screen, 1/y, "error ", "F - test-cursor-down-and-up-within-trace/down-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, "||||| ", "F - test-cursor-down-and-up-within-trace/down-1/cursor"
check-screen-row screen, 2/y, "... ", "F - test-cursor-down-and-up-within-trace/down-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-cursor-down-and-up-within-trace/down-2/cursor"
# cursor up
edit-trace t, 0x6b/k
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0xa/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "... ", "F - test-cursor-down-and-up-within-trace/up-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "||| ", "F - test-cursor-down-and-up-within-trace/up-0/cursor"
check-screen-row screen, 1/y, "error ", "F - test-cursor-down-and-up-within-trace/up-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-cursor-down-and-up-within-trace/up-1/cursor"
check-screen-row screen, 2/y, "... ", "F - test-cursor-down-and-up-within-trace/up-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-cursor-down-and-up-within-trace/up-2/cursor"
}
fn test-cursor-down-past-bottom-of-trace {
var t-storage: trace
var t/esi: (addr trace) <- address t-storage
initialize-trace t, 0x100/max-depth, 0x10, 0x10
#
trace-text t, "l", "line 1"
error t, "error"
trace-text t, "l", "line 3"
# setup: screen
var screen-on-stack: screen
var screen/edi: (addr screen) <- address screen-on-stack
initialize-screen screen, 0xa/width, 4/height, 0/no-pixel-graphics
#
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0xa/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "... ", "F - test-cursor-down-past-bottom-of-trace/pre-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "||| ", "F - test-cursor-down-past-bottom-of-trace/pre-0/cursor"
check-screen-row screen, 1/y, "error ", "F - test-cursor-down-past-bottom-of-trace/pre-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-cursor-down-past-bottom-of-trace/pre-1/cursor"
check-screen-row screen, 2/y, "... ", "F - test-cursor-down-past-bottom-of-trace/pre-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-cursor-down-past-bottom-of-trace/pre-2/cursor"
# cursor down several times
edit-trace t, 0x6a/j
edit-trace t, 0x6a/j
edit-trace t, 0x6a/j
edit-trace t, 0x6a/j
edit-trace t, 0x6a/j
# hack: we do need to render to make this test pass; we're mixing state management with rendering
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0xa/xmax, 4/ymax, 1/show-cursor
# cursor clamps at bottom
check-screen-row screen, 0/y, "... ", "F - test-cursor-down-past-bottom-of-trace/down-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, " ", "F - test-cursor-down-past-bottom-of-trace/down-0/cursor"
check-screen-row screen, 1/y, "error ", "F - test-cursor-down-past-bottom-of-trace/down-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-cursor-down-past-bottom-of-trace/down-1/cursor"
check-screen-row screen, 2/y, "... ", "F - test-cursor-down-past-bottom-of-trace/down-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, "||| ", "F - test-cursor-down-past-bottom-of-trace/down-2/cursor"
}
fn test-expand-within-trace {
var t-storage: trace
var t/esi: (addr trace) <- address t-storage
initialize-trace t, 0x100/max-depth, 0x10, 0x10
#
trace-text t, "l", "line 1"
trace-text t, "l", "line 2"
# setup: screen
var screen-on-stack: screen
var screen/edi: (addr screen) <- address screen-on-stack
initialize-screen screen, 0x10/width, 4/height, 0/no-pixel-graphics
#
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "... ", "F - test-expand-within-trace/pre-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "||| ", "F - test-expand-within-trace/pre-0/cursor"
check-screen-row screen, 1/y, " ", "F - test-expand-within-trace/pre-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-expand-within-trace/pre-1/cursor"
# expand
edit-trace t, 0xa/enter
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "1 line 1 ", "F - test-expand-within-trace/expand-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "|||||||| ", "F - test-expand-within-trace/expand-0/cursor"
check-screen-row screen, 1/y, "1 line 2 ", "F - test-expand-within-trace/expand-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-expand-within-trace/expand-1/cursor"
check-screen-row screen, 2/y, " ", "F - test-expand-within-trace/expand-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-expand-within-trace/expand-2/cursor"
}
fn test-trace-expand-skips-lower-depth {
var t-storage: trace
var t/esi: (addr trace) <- address t-storage
initialize-trace t, 0x100/max-depth, 0x10, 0x10
#
trace-text t, "l", "line 1"
trace-lower t
trace-text t, "l", "line 2"
# setup: screen
var screen-on-stack: screen
var screen/edi: (addr screen) <- address screen-on-stack
initialize-screen screen, 0x10/width, 4/height, 0/no-pixel-graphics
#
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "... ", "F - test-trace-expand-skips-lower-depth/pre-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "||| ", "F - test-trace-expand-skips-lower-depth/pre-0/cursor"
check-screen-row screen, 1/y, " ", "F - test-trace-expand-skips-lower-depth/pre-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-expand-skips-lower-depth/pre-1/cursor"
# expand
edit-trace t, 0xa/enter
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "1 line 1 ", "F - test-trace-expand-skips-lower-depth/expand-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "|||||||| ", "F - test-trace-expand-skips-lower-depth/expand-0/cursor"
check-screen-row screen, 1/y, "... ", "F - test-trace-expand-skips-lower-depth/expand-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-expand-skips-lower-depth/expand-1/cursor"
check-screen-row screen, 2/y, " ", "F - test-trace-expand-skips-lower-depth/expand-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-trace-expand-skips-lower-depth/expand-2/cursor"
}
fn test-trace-expand-continues-past-lower-depth {
var t-storage: trace
var t/esi: (addr trace) <- address t-storage
initialize-trace t, 0x100/max-depth, 0x10, 0x10
#
trace-text t, "l", "line 1"
trace-lower t
trace-text t, "l", "line 1.1"
trace-higher t
trace-text t, "l", "line 2"
# setup: screen
var screen-on-stack: screen
var screen/edi: (addr screen) <- address screen-on-stack
initialize-screen screen, 0x10/width, 4/height, 0/no-pixel-graphics
#
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "... ", "F - test-trace-expand-continues-past-lower-depth/pre-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "||| ", "F - test-trace-expand-continues-past-lower-depth/pre-0/cursor"
check-screen-row screen, 1/y, " ", "F - test-trace-expand-continues-past-lower-depth/pre-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-expand-continues-past-lower-depth/pre-1/cursor"
# expand
edit-trace t, 0xa/enter
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "1 line 1 ", "F - test-trace-expand-continues-past-lower-depth/expand-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "|||||||| ", "F - test-trace-expand-continues-past-lower-depth/expand-0/cursor"
# TODO: might be too wasteful to show every place where lines are hidden
check-screen-row screen, 1/y, "... ", "F - test-trace-expand-continues-past-lower-depth/expand-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-expand-continues-past-lower-depth/expand-1/cursor"
check-screen-row screen, 2/y, "1 line 2 ", "F - test-trace-expand-continues-past-lower-depth/expand-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-trace-expand-continues-past-lower-depth/expand-2/cursor"
}
fn test-trace-expand-stops-at-higher-depth {
var t-storage: trace
var t/esi: (addr trace) <- address t-storage
initialize-trace t, 0x100/max-depth, 0x10, 0x10
#
trace-lower t
trace-text t, "l", "line 1.1"
trace-lower t
trace-text t, "l", "line 1.1.1"
trace-higher t
trace-text t, "l", "line 1.2"
trace-higher t
trace-text t, "l", "line 2"
trace-lower t
trace-text t, "l", "line 2.1"
# setup: screen
var screen-on-stack: screen
var screen/edi: (addr screen) <- address screen-on-stack
initialize-screen screen, 0x10/width, 8/height, 0/no-pixel-graphics
#
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 8/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "... ", "F - test-trace-expand-stops-at-higher-depth/pre-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "||| ", "F - test-trace-expand-stops-at-higher-depth/pre-0/cursor"
check-screen-row screen, 1/y, " ", "F - test-trace-expand-stops-at-higher-depth/pre-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-expand-stops-at-higher-depth/pre-1/cursor"
# expand
edit-trace t, 0xa/enter
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 8/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "2 line 1.1 ", "F - test-trace-expand-stops-at-higher-depth/expand-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "|||||||||| ", "F - test-trace-expand-stops-at-higher-depth/expand-0/cursor"
check-screen-row screen, 1/y, "... ", "F - test-trace-expand-stops-at-higher-depth/expand-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-expand-stops-at-higher-depth/expand-1/cursor"
check-screen-row screen, 2/y, "2 line 1.2 ", "F - test-trace-expand-stops-at-higher-depth/expand-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-trace-expand-stops-at-higher-depth/expand-2/cursor"
check-screen-row screen, 3/y, "... ", "F - test-trace-expand-stops-at-higher-depth/expand-3"
check-background-color-in-screen-row screen, 7/bg=cursor, 3/y, " ", "F - test-trace-expand-stops-at-higher-depth/expand-3/cursor"
check-screen-row screen, 4/y, " ", "F - test-trace-expand-stops-at-higher-depth/expand-4"
check-background-color-in-screen-row screen, 7/bg=cursor, 4/y, " ", "F - test-trace-expand-stops-at-higher-depth/expand-4/cursor"
}
fn test-trace-expand-twice {
var t-storage: trace
var t/esi: (addr trace) <- address t-storage
initialize-trace t, 0x100/max-depth, 0x10, 0x10
#
trace-text t, "l", "line 1"
trace-lower t
trace-text t, "l", "line 1.1"
trace-higher t
trace-text t, "l", "line 2"
# setup: screen
var screen-on-stack: screen
var screen/edi: (addr screen) <- address screen-on-stack
initialize-screen screen, 0x10/width, 4/height, 0/no-pixel-graphics
#
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "... ", "F - test-trace-expand-twice/pre-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "||| ", "F - test-trace-expand-twice/pre-0/cursor"
check-screen-row screen, 1/y, " ", "F - test-trace-expand-twice/pre-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-expand-twice/pre-1/cursor"
# expand
edit-trace t, 0xa/enter
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "1 line 1 ", "F - test-trace-expand-twice/expand-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "|||||||| ", "F - test-trace-expand-twice/expand-0/cursor"
check-screen-row screen, 1/y, "... ", "F - test-trace-expand-twice/expand-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-expand-twice/expand-1/cursor"
check-screen-row screen, 2/y, "1 line 2 ", "F - test-trace-expand-twice/expand-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-trace-expand-twice/expand-2/cursor"
# cursor down
edit-trace t, 0x6a/j
# hack: we need to render here to make this test pass; we're mixing state management with rendering
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "1 line 1 ", "F - test-trace-expand-twice/down-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, " ", "F - test-trace-expand-twice/down-0/cursor"
check-screen-row screen, 1/y, "... ", "F - test-trace-expand-twice/down-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, "||| ", "F - test-trace-expand-twice/down-1/cursor"
check-screen-row screen, 2/y, "1 line 2 ", "F - test-trace-expand-twice/down-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-trace-expand-twice/down-2/cursor"
# expand again
edit-trace t, 0xa/enter
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "1 line 1 ", "F - test-trace-expand-twice/expand2-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, " ", "F - test-trace-expand-twice/expand2-0/cursor"
check-screen-row screen, 1/y, "2 line 1.1 ", "F - test-trace-expand-twice/expand2-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, "|||||||||| ", "F - test-trace-expand-twice/expand2-1/cursor"
check-screen-row screen, 2/y, "1 line 2 ", "F - test-trace-expand-twice/expand2-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-trace-expand-twice/expand2-2/cursor"
}
fn test-trace-refresh-cursor {
var t-storage: trace
var t/esi: (addr trace) <- address t-storage
initialize-trace t, 0x100/max-depth, 0x10, 0x10
#
trace-text t, "l", "line 1"
trace-text t, "l", "line 2"
trace-text t, "l", "line 3"
# setup: screen
var screen-on-stack: screen
var screen/edi: (addr screen) <- address screen-on-stack
initialize-screen screen, 0x10/width, 4/height, 0/no-pixel-graphics
#
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "... ", "F - test-trace-refresh-cursor/pre-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "||| ", "F - test-trace-refresh-cursor/pre-0/cursor"
check-screen-row screen, 1/y, " ", "F - test-trace-refresh-cursor/pre-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-refresh-cursor/pre-1/cursor"
# expand
edit-trace t, 0xa/enter
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "1 line 1 ", "F - test-trace-refresh-cursor/expand-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "|||||||| ", "F - test-trace-refresh-cursor/expand-0/cursor"
check-screen-row screen, 1/y, "1 line 2 ", "F - test-trace-refresh-cursor/expand-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-refresh-cursor/expand-1/cursor"
check-screen-row screen, 2/y, "1 line 3 ", "F - test-trace-refresh-cursor/expand-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-trace-refresh-cursor/expand-2/cursor"
# cursor down
edit-trace t, 0x6a/j
edit-trace t, 0x6a/j
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "1 line 1 ", "F - test-trace-refresh-cursor/down-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, " ", "F - test-trace-refresh-cursor/down-0/cursor"
check-screen-row screen, 1/y, "1 line 2 ", "F - test-trace-refresh-cursor/down-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-refresh-cursor/down-1/cursor"
check-screen-row screen, 2/y, "1 line 3 ", "F - test-trace-refresh-cursor/down-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, "|||||||| ", "F - test-trace-refresh-cursor/down-2/cursor"
# recreate trace
clear-trace t
trace-text t, "l", "line 1"
trace-text t, "l", "line 2"
trace-text t, "l", "line 3"
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
# cursor remains unchanged
check-screen-row screen, 0/y, "1 line 1 ", "F - test-trace-refresh-cursor/refresh-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, " ", "F - test-trace-refresh-cursor/refresh-0/cursor"
check-screen-row screen, 1/y, "1 line 2 ", "F - test-trace-refresh-cursor/refresh-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-refresh-cursor/refresh-1/cursor"
check-screen-row screen, 2/y, "1 line 3 ", "F - test-trace-refresh-cursor/refresh-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, "|||||||| ", "F - test-trace-refresh-cursor/refresh-2/cursor"
}
fn test-trace-preserve-cursor-on-refresh {
var t-storage: trace
var t/esi: (addr trace) <- address t-storage
initialize-trace t, 0x100/max-depth, 0x10, 0x10
#
trace-text t, "l", "line 1"
trace-text t, "l", "line 2"
trace-text t, "l", "line 3"
# setup: screen
var screen-on-stack: screen
var screen/edi: (addr screen) <- address screen-on-stack
initialize-screen screen, 0x10/width, 4/height, 0/no-pixel-graphics
#
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "... ", "F - test-trace-preserve-cursor-on-refresh/pre-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "||| ", "F - test-trace-preserve-cursor-on-refresh/pre-0/cursor"
check-screen-row screen, 1/y, " ", "F - test-trace-preserve-cursor-on-refresh/pre-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-preserve-cursor-on-refresh/pre-1/cursor"
# expand
edit-trace t, 0xa/enter
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "1 line 1 ", "F - test-trace-preserve-cursor-on-refresh/expand-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "|||||||| ", "F - test-trace-preserve-cursor-on-refresh/expand-0/cursor"
check-screen-row screen, 1/y, "1 line 2 ", "F - test-trace-preserve-cursor-on-refresh/expand-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-preserve-cursor-on-refresh/expand-1/cursor"
check-screen-row screen, 2/y, "1 line 3 ", "F - test-trace-preserve-cursor-on-refresh/expand-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-trace-preserve-cursor-on-refresh/expand-2/cursor"
# cursor down
edit-trace t, 0x6a/j
edit-trace t, 0x6a/j
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "1 line 1 ", "F - test-trace-preserve-cursor-on-refresh/down-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, " ", "F - test-trace-preserve-cursor-on-refresh/down-0/cursor"
check-screen-row screen, 1/y, "1 line 2 ", "F - test-trace-preserve-cursor-on-refresh/down-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-preserve-cursor-on-refresh/down-1/cursor"
check-screen-row screen, 2/y, "1 line 3 ", "F - test-trace-preserve-cursor-on-refresh/down-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, "|||||||| ", "F - test-trace-preserve-cursor-on-refresh/down-2/cursor"
# recreate trace with slightly different lines
clear-trace t
trace-text t, "l", "line 4"
trace-text t, "l", "line 5"
trace-text t, "l", "line 3" # cursor line is unchanged
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
# cursor remains unchanged
check-screen-row screen, 0/y, "1 line 4 ", "F - test-trace-preserve-cursor-on-refresh/refresh-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, " ", "F - test-trace-preserve-cursor-on-refresh/refresh-0/cursor"
check-screen-row screen, 1/y, "1 line 5 ", "F - test-trace-preserve-cursor-on-refresh/refresh-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-preserve-cursor-on-refresh/refresh-1/cursor"
check-screen-row screen, 2/y, "1 line 3 ", "F - test-trace-preserve-cursor-on-refresh/refresh-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, "|||||||| ", "F - test-trace-preserve-cursor-on-refresh/refresh-2/cursor"
}
fn test-trace-keep-cursor-visible-on-refresh {
var t-storage: trace
var t/esi: (addr trace) <- address t-storage
initialize-trace t, 0x100/max-depth, 0x10, 0x10
#
trace-text t, "l", "line 1"
trace-text t, "l", "line 2"
trace-text t, "l", "line 3"
# setup: screen
var screen-on-stack: screen
var screen/edi: (addr screen) <- address screen-on-stack
initialize-screen screen, 0x10/width, 4/height, 0/no-pixel-graphics
#
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "... ", "F - test-trace-keep-cursor-visible-on-refresh/pre-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "||| ", "F - test-trace-keep-cursor-visible-on-refresh/pre-0/cursor"
check-screen-row screen, 1/y, " ", "F - test-trace-keep-cursor-visible-on-refresh/pre-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-keep-cursor-visible-on-refresh/pre-1/cursor"
# expand
edit-trace t, 0xa/enter
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "1 line 1 ", "F - test-trace-keep-cursor-visible-on-refresh/expand-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "|||||||| ", "F - test-trace-keep-cursor-visible-on-refresh/expand-0/cursor"
check-screen-row screen, 1/y, "1 line 2 ", "F - test-trace-keep-cursor-visible-on-refresh/expand-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-keep-cursor-visible-on-refresh/expand-1/cursor"
check-screen-row screen, 2/y, "1 line 3 ", "F - test-trace-keep-cursor-visible-on-refresh/expand-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-trace-keep-cursor-visible-on-refresh/expand-2/cursor"
# cursor down
edit-trace t, 0x6a/j
edit-trace t, 0x6a/j
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "1 line 1 ", "F - test-trace-keep-cursor-visible-on-refresh/down-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, " ", "F - test-trace-keep-cursor-visible-on-refresh/down-0/cursor"
check-screen-row screen, 1/y, "1 line 2 ", "F - test-trace-keep-cursor-visible-on-refresh/down-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-keep-cursor-visible-on-refresh/down-1/cursor"
check-screen-row screen, 2/y, "1 line 3 ", "F - test-trace-keep-cursor-visible-on-refresh/down-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, "|||||||| ", "F - test-trace-keep-cursor-visible-on-refresh/down-2/cursor"
# recreate trace with entirely different lines
clear-trace t
trace-text t, "l", "line 4"
trace-text t, "l", "line 5"
trace-text t, "l", "line 6"
mark-lines-dirty t
clear-screen screen
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
# trace collapses, and cursor bumps up
check-screen-row screen, 0/y, "... ", "F - test-trace-keep-cursor-visible-on-refresh/refresh-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "||| ", "F - test-trace-keep-cursor-visible-on-refresh/refresh-0/cursor"
check-screen-row screen, 1/y, " ", "F - test-trace-keep-cursor-visible-on-refresh/refresh-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-keep-cursor-visible-on-refresh/refresh-1/cursor"
check-screen-row screen, 2/y, " ", "F - test-trace-keep-cursor-visible-on-refresh/refresh-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-trace-keep-cursor-visible-on-refresh/refresh-2/cursor"
}
fn test-trace-collapse-at-top {
var t-storage: trace
var t/esi: (addr trace) <- address t-storage
initialize-trace t, 0x100/max-depth, 0x10, 0x10
#
trace-text t, "l", "line 1"
trace-lower t
trace-text t, "l", "line 1.1"
trace-higher t
trace-text t, "l", "line 2"
# setup: screen
var screen-on-stack: screen
var screen/edi: (addr screen) <- address screen-on-stack
initialize-screen screen, 0x10/width, 4/height, 0/no-pixel-graphics
#
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "... ", "F - test-trace-collapse-at-top/pre-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "||| ", "F - test-trace-collapse-at-top/pre-0/cursor"
check-screen-row screen, 1/y, " ", "F - test-trace-collapse-at-top/pre-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-collapse-at-top/pre-1/cursor"
# expand
edit-trace t, 0xa/enter
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "1 line 1 ", "F - test-trace-collapse-at-top/expand-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "|||||||| ", "F - test-trace-collapse-at-top/expand-0/cursor"
check-screen-row screen, 1/y, "... ", "F - test-trace-collapse-at-top/expand-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-collapse-at-top/expand-1/cursor"
check-screen-row screen, 2/y, "1 line 2 ", "F - test-trace-collapse-at-top/expand-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-trace-collapse-at-top/expand-2/cursor"
# collapse
edit-trace t, 8/backspace
# hack: we need to render here to make this test pass; we're mixing state management with rendering
clear-screen screen
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-ints-equal y, 1, "F - test-trace-collapse-at-top/post-0/y"
check-screen-row screen, 0/y, "... ", "F - test-trace-collapse-at-top/post-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "||| ", "F - test-trace-collapse-at-top/post-0/cursor"
check-screen-row screen, 1/y, " ", "F - test-trace-collapse-at-top/post-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-collapse-at-top/post-1/cursor"
}
fn test-trace-collapse {
var t-storage: trace
var t/esi: (addr trace) <- address t-storage
initialize-trace t, 0x100/max-depth, 0x10, 0x10
#
trace-text t, "l", "line 1"
trace-text t, "l", "line 2"
# setup: screen
var screen-on-stack: screen
var screen/edi: (addr screen) <- address screen-on-stack
initialize-screen screen, 0x10/width, 4/height, 0/no-pixel-graphics
#
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "... ", "F - test-trace-collapse/pre-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "||| ", "F - test-trace-collapse/pre-0/cursor"
check-screen-row screen, 1/y, " ", "F - test-trace-collapse/pre-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-collapse/pre-1/cursor"
# expand
edit-trace t, 0xa/enter
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "1 line 1 ", "F - test-trace-collapse/expand-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "|||||||| ", "F - test-trace-collapse/expand-0/cursor"
check-screen-row screen, 1/y, "1 line 2 ", "F - test-trace-collapse/expand-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-collapse/expand-1/cursor"
# cursor down
edit-trace t, 0x6a/j
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
# collapse
edit-trace t, 8/backspace
clear-screen screen
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-ints-equal y, 1, "F - test-trace-collapse/post-0/y"
check-screen-row screen, 0/y, "... ", "F - test-trace-collapse/post-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "||| ", "F - test-trace-collapse/post-0/cursor"
check-screen-row screen, 1/y, " ", "F - test-trace-collapse/post-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-collapse/post-1/cursor"
}
fn test-trace-collapse-skips-invisible-lines {
var t-storage: trace
var t/esi: (addr trace) <- address t-storage
initialize-trace t, 0x100/max-depth, 0x10, 0x10
#
trace-text t, "l", "line 1"
trace-lower t
trace-text t, "l", "line 1.1"
trace-higher t
trace-text t, "l", "line 2"
# setup: screen
var screen-on-stack: screen
var screen/edi: (addr screen) <- address screen-on-stack
initialize-screen screen, 0x10/width, 4/height, 0/no-pixel-graphics
#
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "... ", "F - test-trace-collapse-skips-invisible-lines/pre-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "||| ", "F - test-trace-collapse-skips-invisible-lines/pre-0/cursor"
check-screen-row screen, 1/y, " ", "F - test-trace-collapse-skips-invisible-lines/pre-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-collapse-skips-invisible-lines/pre-1/cursor"
# expand
edit-trace t, 0xa/enter
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
# two visible lines with an invisible line in between
check-screen-row screen, 0/y, "1 line 1 ", "F - test-trace-collapse-skips-invisible-lines/expand-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "|||||||| ", "F - test-trace-collapse-skips-invisible-lines/expand-0/cursor"
check-screen-row screen, 1/y, "... ", "F - test-trace-collapse-skips-invisible-lines/expand-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-collapse-skips-invisible-lines/expand-1/cursor"
check-screen-row screen, 2/y, "1 line 2 ", "F - test-trace-collapse-skips-invisible-lines/expand-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-trace-collapse-skips-invisible-lines/expand-2/cursor"
# cursor down to second visible line
edit-trace t, 0x6a/j
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
edit-trace t, 0x6a/j
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
# collapse
edit-trace t, 8/backspace
clear-screen screen
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-ints-equal y, 1, "F - test-trace-collapse-skips-invisible-lines/post-0/y"
var cursor-y/eax: (addr int) <- get t, cursor-y
check-ints-equal *cursor-y, 0, "F - test-trace-collapse-skips-invisible-lines/post-0/cursor-y"
check-screen-row screen, 0/y, "... ", "F - test-trace-collapse-skips-invisible-lines/post-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "||| ", "F - test-trace-collapse-skips-invisible-lines/post-0/cursor"
check-screen-row screen, 1/y, " ", "F - test-trace-collapse-skips-invisible-lines/post-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-collapse-skips-invisible-lines/post-1/cursor"
}
fn test-trace-collapse-two-levels {
var t-storage: trace
var t/esi: (addr trace) <- address t-storage
initialize-trace t, 0x100/max-depth, 0x10, 0x10
#
trace-text t, "l", "line 1"
trace-lower t
trace-text t, "l", "line 1.1"
trace-higher t
trace-text t, "l", "line 2"
# setup: screen
var screen-on-stack: screen
var screen/edi: (addr screen) <- address screen-on-stack
initialize-screen screen, 0x10/width, 4/height, 0/no-pixel-graphics
#
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "... ", "F - test-trace-collapse-two-levels/pre-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "||| ", "F - test-trace-collapse-two-levels/pre-0/cursor"
check-screen-row screen, 1/y, " ", "F - test-trace-collapse-two-levels/pre-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-collapse-two-levels/pre-1/cursor"
# expand
edit-trace t, 0xa/enter
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
# two visible lines with an invisible line in between
check-screen-row screen, 0/y, "1 line 1 ", "F - test-trace-collapse-two-levels/expand-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "|||||||| ", "F - test-trace-collapse-two-levels/expand-0/cursor"
check-screen-row screen, 1/y, "... ", "F - test-trace-collapse-two-levels/expand-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-collapse-two-levels/expand-1/cursor"
check-screen-row screen, 2/y, "1 line 2 ", "F - test-trace-collapse-two-levels/expand-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-trace-collapse-two-levels/expand-2/cursor"
# cursor down to ellipses
edit-trace t, 0x6a/j
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
# expand
edit-trace t, 0xa/enter
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
# two visible lines with an invisible line in between
check-screen-row screen, 0/y, "1 line 1 ", "F - test-trace-collapse-two-levels/expand2-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, " ", "F - test-trace-collapse-two-levels/expand2-0/cursor"
check-screen-row screen, 1/y, "2 line 1.1 ", "F - test-trace-collapse-two-levels/expand2-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, "|||||||||| ", "F - test-trace-collapse-two-levels/expand2-1/cursor"
check-screen-row screen, 2/y, "1 line 2 ", "F - test-trace-collapse-two-levels/expand2-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-trace-collapse-two-levels/expand2-2/cursor"
# cursor down to second visible line
edit-trace t, 0x6a/j
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
# collapse
edit-trace t, 8/backspace
clear-screen screen
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-ints-equal y, 1, "F - test-trace-collapse-two-levels/post-0/y"
var cursor-y/eax: (addr int) <- get t, cursor-y
check-ints-equal *cursor-y, 0, "F - test-trace-collapse-two-levels/post-0/cursor-y"
check-screen-row screen, 0/y, "... ", "F - test-trace-collapse-two-levels/post-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "||| ", "F - test-trace-collapse-two-levels/post-0/cursor"
check-screen-row screen, 1/y, " ", "F - test-trace-collapse-two-levels/post-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-collapse-two-levels/post-1/cursor"
}
fn test-trace-collapse-nested-level {
var t-storage: trace
var t/esi: (addr trace) <- address t-storage
initialize-trace t, 0x100/max-depth, 0x10, 0x10
#
trace-text t, "l", "line 1"
trace-lower t
trace-text t, "l", "line 1.1"
trace-higher t
trace-text t, "l", "line 2"
trace-lower t
trace-text t, "l", "line 2.1"
trace-text t, "l", "line 2.2"
trace-higher t
# setup: screen
var screen-on-stack: screen
var screen/edi: (addr screen) <- address screen-on-stack
initialize-screen screen, 0x10/width, 8/height, 0/no-pixel-graphics
#
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 8/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "... ", "F - test-trace-collapse-nested-level/pre-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "||| ", "F - test-trace-collapse-nested-level/pre-0/cursor"
check-screen-row screen, 1/y, " ", "F - test-trace-collapse-nested-level/pre-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-collapse-nested-level/pre-1/cursor"
# expand
edit-trace t, 0xa/enter
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 8/ymax, 1/show-cursor
# two visible lines with an invisible line in between
check-screen-row screen, 0/y, "1 line 1 ", "F - test-trace-collapse-nested-level/expand-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "|||||||| ", "F - test-trace-collapse-nested-level/expand-0/cursor"
check-screen-row screen, 1/y, "... ", "F - test-trace-collapse-nested-level/expand-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-collapse-nested-level/expand-1/cursor"
check-screen-row screen, 2/y, "1 line 2 ", "F - test-trace-collapse-nested-level/expand-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-trace-collapse-nested-level/expand-2/cursor"
check-screen-row screen, 3/y, "... ", "F - test-trace-collapse-nested-level/expand-3"
check-background-color-in-screen-row screen, 7/bg=cursor, 3/y, " ", "F - test-trace-collapse-nested-level/expand-3/cursor"
# cursor down to bottom
edit-trace t, 0x6a/j
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 8/ymax, 1/show-cursor
edit-trace t, 0x6a/j
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 8/ymax, 1/show-cursor
edit-trace t, 0x6a/j
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 8/ymax, 1/show-cursor
# expand
edit-trace t, 0xa/enter
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 8/ymax, 1/show-cursor
# two visible lines with an invisible line in between
check-screen-row screen, 0/y, "1 line 1 ", "F - test-trace-collapse-nested-level/expand2-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, " ", "F - test-trace-collapse-nested-level/expand2-0/cursor"
check-screen-row screen, 1/y, "... ", "F - test-trace-collapse-nested-level/expand2-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-collapse-nested-level/expand2-1/cursor"
check-screen-row screen, 2/y, "1 line 2 ", "F - test-trace-collapse-nested-level/expand2-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-trace-collapse-nested-level/expand2-2/cursor"
check-screen-row screen, 3/y, "2 line 2.1 ", "F - test-trace-collapse-nested-level/expand2-3"
check-background-color-in-screen-row screen, 7/bg=cursor, 3/y, "|||||||||| ", "F - test-trace-collapse-nested-level/expand2-3/cursor"
check-screen-row screen, 4/y, "2 line 2.2 ", "F - test-trace-collapse-nested-level/expand2-4"
check-background-color-in-screen-row screen, 7/bg=cursor, 4/y, " ", "F - test-trace-collapse-nested-level/expand2-4/cursor"
# collapse
edit-trace t, 8/backspace
clear-screen screen
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 8/ymax, 1/show-cursor
#
check-ints-equal y, 4, "F - test-trace-collapse-nested-level/post-0/y"
var cursor-y/eax: (addr int) <- get t, cursor-y
check-ints-equal *cursor-y, 2, "F - test-trace-collapse-nested-level/post-0/cursor-y"
check-screen-row screen, 0/y, "1 line 1 ", "F - test-trace-collapse-nested-level/post-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, " ", "F - test-trace-collapse-nested-level/post-0/cursor"
check-screen-row screen, 1/y, "... ", "F - test-trace-collapse-nested-level/post-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-collapse-nested-level/post-1/cursor"
check-screen-row screen, 2/y, "1 line 2 ", "F - test-trace-collapse-nested-level/post-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, "|||||||| ", "F - test-trace-collapse-nested-level/post-2/cursor"
check-screen-row screen, 3/y, "... ", "F - test-trace-collapse-nested-level/post-3"
check-background-color-in-screen-row screen, 7/bg=cursor, 3/y, " ", "F - test-trace-collapse-nested-level/post-3/cursor"
}
fn scroll-down _self: (addr trace) {
var self/esi: (addr trace) <- copy _self
var screen-height-addr/ebx: (addr int) <- get self, screen-height # only available after first render
var lines-to-skip/ebx: int <- copy *screen-height-addr
var top-line-y-addr/eax: (addr int) <- get self, top-line-y
lines-to-skip <- subtract *top-line-y-addr
var already-hiding-lines-storage: boolean
var already-hiding-lines/edx: (addr boolean) <- address already-hiding-lines-storage
var top-line-addr/edi: (addr int) <- get self, top-line-index
var i/eax: int <- copy *top-line-addr
var max-addr/ecx: (addr int) <- get self, first-free
{
# if we run out of trace, return without changing anything
compare i, *max-addr
{
break-if-<
return
}
# if we've skipped enough, break
compare lines-to-skip, 0
break-if-<=
#
{
var display?/eax: boolean <- count-line? self, i, already-hiding-lines
compare display?, 0/false
break-if-=
lines-to-skip <- decrement
}
i <- increment
loop
}
# update top-line
copy-to *top-line-addr, i
}
fn scroll-up _self: (addr trace) {
var self/esi: (addr trace) <- copy _self
var screen-height-addr/ebx: (addr int) <- get self, screen-height # only available after first render
var lines-to-skip/ebx: int <- copy *screen-height-addr
var top-line-y-addr/eax: (addr int) <- get self, top-line-y
lines-to-skip <- subtract *top-line-y-addr
var already-hiding-lines-storage: boolean
var already-hiding-lines/edx: (addr boolean) <- address already-hiding-lines-storage
var top-line-addr/ecx: (addr int) <- get self, top-line-index
$scroll-up:loop: {
# if we run out of trace, break
compare *top-line-addr, 0
break-if-<=
# if we've skipped enough, break
compare lines-to-skip, 0
break-if-<=
#
var display?/eax: boolean <- count-line? self, *top-line-addr, already-hiding-lines
compare display?, 0/false
{
break-if-=
lines-to-skip <- decrement
}
decrement *top-line-addr
loop
}
}
# TODO: duplicates logic for counting lines rendered
fn count-line? _self: (addr trace), index: int, _already-hiding-lines?: (addr boolean) -> _/eax: boolean {
var self/esi: (addr trace) <- copy _self
var trace-ah/eax: (addr handle array trace-line) <- get self, data
var trace/eax: (addr array trace-line) <- lookup *trace-ah
var offset/ecx: (offset trace-line) <- compute-offset trace, index
var curr/eax: (addr trace-line) <- index trace, offset
var already-hiding-lines?/ecx: (addr boolean) <- copy _already-hiding-lines?
# count errors
{
var curr-depth/eax: (addr int) <- get curr, depth
compare *curr-depth, 0/error
break-if-!=
copy-to *already-hiding-lines?, 0/false
return 1/true
}
# count visible lines
{
var display?/eax: boolean <- should-render? curr
compare display?, 0/false
break-if-=
copy-to *already-hiding-lines?, 0/false
return 1/true
}
# count first undisplayed line after line to display
compare *already-hiding-lines?, 0/false
{
break-if-!=
copy-to *already-hiding-lines?, 1/true
return 1/true
}
return 0/false
}
fn test-trace-scroll {
var t-storage: trace
var t/esi: (addr trace) <- address t-storage
initialize-trace t, 0x100/max-depth, 0x10, 0x10
#
trace-text t, "l", "line 0"
trace-text t, "l", "line 1"
trace-text t, "l", "line 2"
trace-text t, "l", "line 3"
trace-text t, "l", "line 4"
trace-text t, "l", "line 5"
trace-text t, "l", "line 6"
trace-text t, "l", "line 7"
trace-text t, "l", "line 8"
trace-text t, "l", "line 9"
# setup: screen
var screen-on-stack: screen
var screen/edi: (addr screen) <- address screen-on-stack
initialize-screen screen, 0x10/width, 4/height, 0/no-pixel-graphics
# pre-render
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "... ", "F - test-trace-scroll/pre-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "||| ", "F - test-trace-scroll/pre-0/cursor"
check-screen-row screen, 1/y, " ", "F - test-trace-scroll/pre-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-scroll/pre-1/cursor"
check-screen-row screen, 2/y, " ", "F - test-trace-scroll/pre-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-trace-scroll/pre-2/cursor"
check-screen-row screen, 3/y, " ", "F - test-trace-scroll/pre-3"
check-background-color-in-screen-row screen, 7/bg=cursor, 3/y, " ", "F - test-trace-scroll/pre-3/cursor"
# expand
edit-trace t, 0xa/enter
clear-screen screen
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
#
check-screen-row screen, 0/y, "1 line 0 ", "F - test-trace-scroll/expand-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "|||||||| ", "F - test-trace-scroll/expand-0/cursor"
check-screen-row screen, 1/y, "1 line 1 ", "F - test-trace-scroll/expand-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-scroll/expand-1/cursor"
check-screen-row screen, 2/y, "1 line 2 ", "F - test-trace-scroll/expand-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-trace-scroll/expand-2/cursor"
check-screen-row screen, 3/y, "1 line 3 ", "F - test-trace-scroll/expand-3"
check-background-color-in-screen-row screen, 7/bg=cursor, 3/y, " ", "F - test-trace-scroll/expand-3/cursor"
# scroll up
# hack: we must have rendered before this point; we're mixing state management with rendering
edit-trace t, 2/ctrl-b
clear-screen screen
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
# no change since we're already at the top
check-screen-row screen, 0/y, "1 line 0 ", "F - test-trace-scroll/up0-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "|||||||| ", "F - test-trace-scroll/up0-0/cursor"
check-screen-row screen, 1/y, "1 line 1 ", "F - test-trace-scroll/up0-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-scroll/up0-1/cursor"
check-screen-row screen, 2/y, "1 line 2 ", "F - test-trace-scroll/up0-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-trace-scroll/up0-2/cursor"
check-screen-row screen, 3/y, "1 line 3 ", "F - test-trace-scroll/up0-3"
check-background-color-in-screen-row screen, 7/bg=cursor, 3/y, " ", "F - test-trace-scroll/up0-3/cursor"
# scroll down
edit-trace t, 6/ctrl-f
clear-screen screen
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
check-screen-row screen, 0/y, "1 line 4 ", "F - test-trace-scroll/down1-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "|||||||| ", "F - test-trace-scroll/down1-0/cursor"
check-screen-row screen, 1/y, "1 line 5 ", "F - test-trace-scroll/down1-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-scroll/down1-1/cursor"
check-screen-row screen, 2/y, "1 line 6 ", "F - test-trace-scroll/down1-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-trace-scroll/down1-2/cursor"
check-screen-row screen, 3/y, "1 line 7 ", "F - test-trace-scroll/down1-3"
check-background-color-in-screen-row screen, 7/bg=cursor, 3/y, " ", "F - test-trace-scroll/down1-3/cursor"
# scroll down
edit-trace t, 6/ctrl-f
clear-screen screen
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
check-screen-row screen, 0/y, "1 line 8 ", "F - test-trace-scroll/down2-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "|||||||| ", "F - test-trace-scroll/down2-0/cursor"
check-screen-row screen, 1/y, "1 line 9 ", "F - test-trace-scroll/down2-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-scroll/down2-1/cursor"
check-screen-row screen, 2/y, " ", "F - test-trace-scroll/down2-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-trace-scroll/down2-2/cursor"
check-screen-row screen, 3/y, " ", "F - test-trace-scroll/down2-3"
check-background-color-in-screen-row screen, 7/bg=cursor, 3/y, " ", "F - test-trace-scroll/down2-3/cursor"
# scroll down
edit-trace t, 6/ctrl-f
clear-screen screen
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
# no change since we're already at the bottom
check-screen-row screen, 0/y, "1 line 8 ", "F - test-trace-scroll/down3-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "|||||||| ", "F - test-trace-scroll/down3-0/cursor"
check-screen-row screen, 1/y, "1 line 9 ", "F - test-trace-scroll/down3-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-scroll/down3-1/cursor"
check-screen-row screen, 2/y, " ", "F - test-trace-scroll/down3-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-trace-scroll/down3-2/cursor"
check-screen-row screen, 3/y, " ", "F - test-trace-scroll/down3-3"
check-background-color-in-screen-row screen, 7/bg=cursor, 3/y, " ", "F - test-trace-scroll/down3-3/cursor"
# scroll up
edit-trace t, 2/ctrl-b
clear-screen screen
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
check-screen-row screen, 0/y, "1 line 4 ", "F - test-trace-scroll/up1-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "|||||||| ", "F - test-trace-scroll/up1-0/cursor"
check-screen-row screen, 1/y, "1 line 5 ", "F - test-trace-scroll/up1-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-scroll/up1-1/cursor"
check-screen-row screen, 2/y, "1 line 6 ", "F - test-trace-scroll/up1-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-trace-scroll/up1-2/cursor"
check-screen-row screen, 3/y, "1 line 7 ", "F - test-trace-scroll/up1-3"
check-background-color-in-screen-row screen, 7/bg=cursor, 3/y, " ", "F - test-trace-scroll/up1-3/cursor"
# scroll up
edit-trace t, 2/ctrl-b
clear-screen screen
var y/ecx: int <- render-trace screen, t, 0/xmin, 0/ymin, 0x10/xmax, 4/ymax, 1/show-cursor
check-screen-row screen, 0/y, "1 line 0 ", "F - test-trace-scroll/up2-0"
check-background-color-in-screen-row screen, 7/bg=cursor, 0/y, "|||||||| ", "F - test-trace-scroll/up2-0/cursor"
check-screen-row screen, 1/y, "1 line 1 ", "F - test-trace-scroll/up2-1"
check-background-color-in-screen-row screen, 7/bg=cursor, 1/y, " ", "F - test-trace-scroll/up2-1/cursor"
check-screen-row screen, 2/y, "1 line 2 ", "F - test-trace-scroll/up2-2"
check-background-color-in-screen-row screen, 7/bg=cursor, 2/y, " ", "F - test-trace-scroll/up2-2/cursor"
check-screen-row screen, 3/y, "1 line 3 ", "F - test-trace-scroll/up2-3"
check-background-color-in-screen-row screen, 7/bg=cursor, 3/y, " ", "F - test-trace-scroll/up2-3/cursor"
}
# saving and restoring trace indices
fn save-indices _self: (addr trace), _out: (addr trace-index-stash) {
var self/esi: (addr trace) <- copy _self
var out/edi: (addr trace-index-stash) <- copy _out
var data-ah/eax: (addr handle array trace-line) <- get self, data
var _data/eax: (addr array trace-line) <- lookup *data-ah
var data/ebx: (addr array trace-line) <- copy _data
# cursor
var cursor-line-index-addr/eax: (addr int) <- get self, cursor-line-index
var cursor-line-index/eax: int <- copy *cursor-line-index-addr
#? draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, cursor-line-index, 2/fg 0/bg
var offset/eax: (offset trace-line) <- compute-offset data, cursor-line-index
var cursor-line/ecx: (addr trace-line) <- index data, offset
var src/eax: (addr int) <- get cursor-line, depth
var dest/edx: (addr int) <- get out, cursor-line-depth
copy-object src, dest
var src/eax: (addr handle array byte) <- get cursor-line, label
var dest/edx: (addr handle array byte) <- get out, cursor-line-label
copy-object src, dest
src <- get cursor-line, data
#? {
#? var foo/eax: (addr array byte) <- lookup *src
#? draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, foo, 7/fg 0/bg
#? var cursor-line-visible-addr/eax: (addr boolean) <- get cursor-line, visible?
#? var cursor-line-visible?/eax: boolean <- copy *cursor-line-visible-addr
#? var foo/eax: int <- copy cursor-line-visible?
#? draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, foo, 5/fg 0/bg
#? }
dest <- get out, cursor-line-data
copy-object src, dest
# top of screen
var top-line-index-addr/eax: (addr int) <- get self, top-line-index
var top-line-index/eax: int <- copy *top-line-index-addr
#? draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, top-line-index, 2/fg 0/bg
var offset/eax: (offset trace-line) <- compute-offset data, top-line-index
var top-line/ecx: (addr trace-line) <- index data, offset
var src/eax: (addr int) <- get top-line, depth
var dest/edx: (addr int) <- get out, top-line-depth
copy-object src, dest
var src/eax: (addr handle array byte) <- get top-line, label
var dest/edx: (addr handle array byte) <- get out, top-line-label
copy-object src, dest
src <- get top-line, data
dest <- get out, top-line-data
copy-object src, dest
}
fn restore-indices _self: (addr trace), _in: (addr trace-index-stash) {
var self/edi: (addr trace) <- copy _self
var in/esi: (addr trace-index-stash) <- copy _in
var data-ah/eax: (addr handle array trace-line) <- get self, data
var _data/eax: (addr array trace-line) <- lookup *data-ah
var data/ebx: (addr array trace-line) <- copy _data
# cursor
var cursor-depth/edx: (addr int) <- get in, cursor-line-depth
var cursor-line-label-ah/eax: (addr handle array byte) <- get in, cursor-line-label
var _cursor-line-label/eax: (addr array byte) <- lookup *cursor-line-label-ah
var cursor-line-label/ecx: (addr array byte) <- copy _cursor-line-label
var cursor-line-data-ah/eax: (addr handle array byte) <- get in, cursor-line-data
var cursor-line-data/eax: (addr array byte) <- lookup *cursor-line-data-ah
var new-cursor-line-index/eax: int <- find-in-trace self, *cursor-depth, cursor-line-label, cursor-line-data
var dest/edx: (addr int) <- get self, cursor-line-index
copy-to *dest, new-cursor-line-index
# top of screen
var top-depth/edx: (addr int) <- get in, top-line-depth
var top-line-label-ah/eax: (addr handle array byte) <- get in, top-line-label
var _top-line-label/eax: (addr array byte) <- lookup *top-line-label-ah
var top-line-label/ecx: (addr array byte) <- copy _top-line-label
var top-line-data-ah/eax: (addr handle array byte) <- get in, top-line-data
var top-line-data/eax: (addr array byte) <- lookup *top-line-data-ah
var new-top-line-index/eax: int <- find-in-trace self, *top-depth, top-line-label, top-line-data
var dest/edx: (addr int) <- get self, top-line-index
copy-to *dest, new-top-line-index
}
# like trace-contains? but stateless
# this is super-inefficient, string comparing every trace line
fn find-in-trace _self: (addr trace), depth: int, label: (addr array byte), data: (addr array byte) -> _/eax: int {
var self/esi: (addr trace) <- copy _self
var candidates-ah/eax: (addr handle array trace-line) <- get self, data
var candidates/eax: (addr array trace-line) <- lookup *candidates-ah
var i/ecx: int <- copy 0
var max/edx: (addr int) <- get self, first-free
{
compare i, *max
break-if->=
{
var curr-offset/edx: (offset trace-line) <- compute-offset candidates, i
var curr/edx: (addr trace-line) <- index candidates, curr-offset
# if curr->depth does not match, continue
var curr-depth-addr/eax: (addr int) <- get curr, depth
var curr-depth/eax: int <- copy *curr-depth-addr
compare curr-depth, depth
break-if-!=
# if curr->label does not match, continue
var curr-label-ah/eax: (addr handle array byte) <- get curr, label
var curr-label/eax: (addr array byte) <- lookup *curr-label-ah
var match?/eax: boolean <- string-equal? curr-label, label
compare match?, 0/false
break-if-=
# if curr->data does not match, continue
var curr-data-ah/eax: (addr handle array byte) <- get curr, data
var curr-data/eax: (addr array byte) <- lookup *curr-data-ah
{
var match?/eax: boolean <- string-equal? curr-data, data
compare match?, 0/false
}
break-if-=
#? draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, " => ", 7/fg 0/bg
#? #? draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, i, 4/fg 0/bg
#? draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, curr-data, 7/fg 0/bg
#? var curr-visible-addr/eax: (addr boolean) <- get curr, visible?
#? var curr-visible?/eax: boolean <- copy *curr-visible-addr
#? var foo/eax: int <- copy curr-visible?
#? draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, foo, 2/fg 0/bg
return i
}
i <- increment
loop
}
abort "not in trace"
return -1
}