From fb78fddb47dd4250db202cc7781d34c97d37e488 Mon Sep 17 00:00:00 2001
From: colwill <62014134+colwill@users.noreply.github.com>
Date: Sun, 4 Oct 2026 01:36:15 +0100
Subject: [PATCH 1/2] chore: qol fixes for visualiser
---
README.md | 13 +-
assets/vis/vis.css | 279 +++++++--
assets/vis/vis.html | 17 +-
assets/vis/vis.js | 1322 ++++++++++++++++++++++++++++++++++++++-----
docs/EXTENSION.md | 3 +-
docs/MCP.md | 4 +-
src/inspect.rs | 471 +++++++++++++++
src/lib.rs | 1 +
src/prompts.rs | 66 ++-
src/replay.rs | 51 +-
src/scan.rs | 20 +-
src/serve.rs | 531 ++++++++++++-----
src/vis.rs | 10 +-
13 files changed, 2442 insertions(+), 346 deletions(-)
create mode 100644 src/inspect.rs
diff --git a/README.md b/README.md
index 1a9050b..2df2445 100644
--- a/README.md
+++ b/README.md
@@ -189,11 +189,18 @@ as in the editor:
- **A definition at a time.** An edit is split into the definitions it touches - imports first,
then what it adds, then what it changes, then what it removes - so a replay builds the change up
one function, type or constant at a time, in the order the agent staged it.
-- **Looks too.** `find`, `references`, `file` and `dependencies` calls land as looks at what they
- named, so you can see what an agent read before it wrote anything.
+- **Inspects too.** What an agent reads lands as an inspect of what it read, so you can see what
+ it looked at before it wrote anything: `find`, `references`, `file` and `dependencies` calls as
+ ccc answers them, and its own reads - Claude Code's `Read`, a `cat`, `sed -n` or `grep` of a
+ file in its shell, a subagent's too - from its transcript, as it writes them.
+- **Follow live changes.** The switch on the right is green while each change is shown as it lands
+ (`L` turns it on and off). While it is on, the step controls fold away to the left behind `»`,
+ and they open again by themselves once it is off.
- **At your pace.** Live keeps the time between steps as it was; ½×, ¼×, ⅛× and ⅒× stretch it, and
following runs behind by however many steps are still waiting.
-- **One step on its own.** While a step is on show (◎), what it did not touch fades back, and a big
+- **Big views in groups.** A view of 50 or more components or functions is laid out a group at a
+ time
+- **Granular Changes.** While a step is on show (◎), what it did not touch fades back, and a big
scene draws only what is wired to it, laid out together to fit the screen. Click the canvas to
bring the rest back.
diff --git a/assets/vis/vis.css b/assets/vis/vis.css
index 2ba7ddd..d38bfea 100644
--- a/assets/vis/vis.css
+++ b/assets/vis/vis.css
@@ -3,6 +3,7 @@
purple for selection, slate lines. Dark is derived from the same roles. */
:root {
+ --foot: 12px;
--paper: #fbfcfd;
--grid: rgba(0, 0, 0, .06);
--surface: #ffffff;
@@ -254,8 +255,8 @@ button, input { font: inherit; color: inherit; }
background-image:
linear-gradient(to right, var(--grid) 1px, transparent 1px),
linear-gradient(to bottom, var(--grid) 1px, transparent 1px);
- background-size: calc(20px * var(--zoom, 1)) calc(20px * var(--zoom, 1));
- background-position: calc(var(--pan-x, 0) * 1px) calc(var(--pan-y, 0) * 1px);
+ /* the grid's size and position follow the camera - see `applyView` */
+ background-size: 20px 20px;
touch-action: none;
}
.viewport.panning { cursor: grabbing; }
@@ -279,7 +280,8 @@ button, input { font: inherit; color: inherit; }
left: 0;
top: 0;
transform-origin: 0 0;
- transform: translate(calc(var(--pan-x, 0) * 1px), calc(var(--pan-y, 0) * 1px)) scale(var(--zoom, 1));
+ /* moved as one layer, so a pan or zoom repaints none of what it holds */
+ will-change: transform;
}
.surface > * { position: absolute; left: 0; top: 0; }
.wires { overflow: visible; width: 1px; height: 1px; pointer-events: none; }
@@ -304,6 +306,44 @@ button, input { font: inherit; color: inherit; }
.frame.group { border-style: solid; border-width: 1px; border-radius: 10px; }
.frame.group > .title { top: 8px; bottom: auto; font-size: 12px; font-weight: 600; }
+.group-card {
+ position: absolute;
+ box-sizing: border-box;
+ display: none;
+ flex-direction: column;
+ align-items: center;
+ justify-content: center;
+ gap: .35em;
+ padding: 1em 1.4em;
+ font-size: min(calc(13px * var(--gz, 1)), calc(var(--w, 400px) / 16), calc(var(--h, 300px) / 7));
+ text-align: center;
+ background: var(--surface);
+ border: calc(2px * var(--gz, 1)) solid var(--border);
+ border-radius: calc(12px * var(--gz, 1));
+ box-shadow: var(--shadow);
+ cursor: zoom-in;
+ overflow: hidden;
+ transition: border-color .15s;
+}
+.group-card:hover { border-color: var(--primary); }
+.group-card .g-what { font-size: .8em; letter-spacing: .06em; color: var(--muted); overflow-wrap: anywhere; }
+.group-card .g-title { font-size: 1.8em; font-weight: 650; line-height: 1.15; color: var(--text); overflow-wrap: anywhere; }
+.group-card .g-sub { color: var(--muted); }
+.group-card .g-mark { margin-top: .3em; padding: .15em .8em; border-radius: 1em; background: var(--chg); color: #fff; font-size: .9em; }
+.group-card .g-mark[hidden] { display: none; }
+.group-card.chg {
+ --chg: var(--primary);
+ border-color: var(--chg);
+ box-shadow: var(--shadow), 0 0 0 calc(5px * var(--gz, 1)) color-mix(in srgb, var(--chg) 28%, transparent);
+}
+.group-card.chg-added { --chg: var(--green); }
+.group-card.chg-removed { --chg: var(--red); }
+.group-card.chg-inspect { --chg: var(--blue); }
+.group-wires path { pointer-events: none; }
+.group-wires .gwire { fill: none; stroke: var(--edge); }
+.group-wires .ghead { fill: var(--edge); }
+.group-wires text { fill: var(--muted); stroke: var(--paper); paint-order: stroke; text-anchor: middle; dominant-baseline: central; font-weight: 600; }
+
/* ---------- C4 nodes (doc canvas cards) ---------- */
.node {
@@ -324,10 +364,12 @@ button, input { font: inherit; color: inherit; }
.node.dragging { box-shadow: var(--shadow-lift); cursor: grabbing; z-index: 5; transition: none; }
.node.dim { opacity: .35; }
.node.hit { box-shadow: var(--shadow), 0 0 0 4px var(--primary-glow); border-color: var(--primary); }
+/* a node's insides never move the layout around it */
+.node { contain: layout style; }
-.card { width: 240px; padding: 10px 12px 10px 16px; }
+.card { width: 240px; padding: 10px 12px calc(10px + var(--foot)) 16px; }
.card.wide { width: 300px; }
-.card.system { width: 340px; padding: 16px 18px 16px 22px; }
+.card.system { width: 340px; padding: 16px 18px calc(16px + var(--foot)) 22px; }
.card .stripe {
position: absolute;
left: -2px;
@@ -389,7 +431,7 @@ button, input { font: inherit; color: inherit; }
pointer-events: auto;
cursor: pointer;
}
-.elabel.dim { opacity: .3; }
+.dimming .elabel:not(.hot) { opacity: .3; }
.elabel.declared { border-style: dashed; }
/* ---------- wires ---------- */
@@ -399,7 +441,12 @@ button, input { font: inherit; color: inherit; }
.wire.data { stroke-width: 1.5; stroke-dasharray: 4 3; }
.wire.back { stroke-dasharray: 6 4; opacity: .6; }
.wire.declared { stroke-dasharray: 6 4; }
-.wire.dim { opacity: .2; }
+/* the scene's wires dimmed as one drawing, the lit ones copied above it - see `highlight` */
+#wires { transition: opacity .12s; }
+#wires.dimming { opacity: .2; }
+.wires.lit path { pointer-events: none; }
+/* what the collection on show added stays green while it is on show - see `showKept` */
+.wire.kept-new { stroke: var(--green); }
.wire.hot { stroke: var(--primary); stroke-width: 2.75; opacity: 1; }
.arrowhead { fill: var(--edge); }
.arrowhead.hot { fill: var(--primary); }
@@ -409,7 +456,7 @@ button, input { font: inherit; color: inherit; }
.bp {
min-width: 170px;
max-width: 340px;
- padding: 0 0 6px;
+ padding: 0 0 calc(6px + var(--foot));
overflow: visible;
}
.bp .head {
@@ -449,6 +496,8 @@ button, input { font: inherit; color: inherit; }
white-space: nowrap;
}
.bp .pin.in { grid-column: 1; }
+/* rules what a function returns off from what it takes */
+.bp .rows .sep { grid-column: 1 / -1; border-top: 1px solid var(--edge); margin: 4px 0; }
.bp .pin.out { grid-column: 2; justify-content: flex-end; text-align: right; }
.bp .pin .lbl { overflow: hidden; text-overflow: ellipsis; max-width: 170px; }
.bp .pin.data .lbl { font-family: var(--mono); font-size: 11px; color: var(--muted); }
@@ -472,7 +521,7 @@ button, input { font: inherit; color: inherit; }
.bp .pin.in i { margin-left: -18px; }
.bp .pin.out i { margin-right: -18px; order: 2; }
.bp .body { padding: 2px 12px 2px; font: 12px var(--mono); color: var(--muted); overflow-wrap: anywhere; max-width: 320px; }
-.bp.compact { min-width: 0; border-radius: 16px; padding: 0; }
+.bp.compact { min-width: 0; border-radius: 16px; padding: 0 0 var(--foot); }
.bp.compact .rows { display: flex; align-items: center; }
.bp.compact .pin { padding: 0 10px; min-height: 28px; }
.bp.compact .chain { font: 11px var(--mono); color: var(--muted); padding: 5px 0; max-width: 260px; overflow-wrap: anywhere; }
@@ -642,13 +691,22 @@ button, input { font: inherit; color: inherit; }
}
.message[hidden] { display: none; }
.message b { color: var(--text); display: block; margin-bottom: 4px; }
-.note-bar {
+/* the view's note, and under it the step on show's, centred at the top */
+.top-notes {
position: fixed;
left: 50%;
top: 64px;
z-index: 12;
transform: translateX(-50%);
+ display: flex;
+ flex-direction: column;
+ align-items: center;
+ gap: 6px;
max-width: 70vw;
+ pointer-events: none;
+}
+.top-notes > * { pointer-events: auto; max-width: 100%; }
+.note-bar {
padding: 6px 12px;
background: var(--surface);
border: 1px solid var(--border);
@@ -665,15 +723,36 @@ button, input { font: inherit; color: inherit; }
written yet is dashed amber */
.node.chg {
--chg: var(--primary);
+ --chg-label: 'Modified';
border-color: var(--chg);
box-shadow: var(--shadow), 0 0 0 3px color-mix(in srgb, var(--chg) 30%, transparent);
animation: chg-pulse 1.4s ease-out 2;
}
-.node.chg-added { --chg: var(--green); }
-.node.chg-removed { --chg: var(--red); opacity: .85; }
-.node.chg-pending { --chg: var(--orange); border-style: dashed; }
+.node.chg-added { --chg: var(--green); --chg-label: 'Added'; }
+.node.chg-removed { --chg: var(--red); --chg-label: 'Removed'; opacity: .85; }
+.node.chg-pending { --chg: var(--orange); --chg-label: 'Proposed'; border-style: dashed; }
/* what an agent looked at, rather than changed */
-.node.chg-read { --chg: var(--blue); }
+.node.chg-inspect { --chg: var(--blue); --chg-label: 'Inspected'; }
+/* what happened to a node, in a word on a label across its foot */
+.node.chg::after,
+.node.kept-new::after,
+.node.leaving::after {
+ content: var(--chg-label, '');
+ position: absolute;
+ left: 50%;
+ bottom: 0;
+ transform: translate(-50%, 50%);
+ padding: 1px 12px 2px;
+ border: 1.5px solid var(--chg);
+ border-radius: 7px;
+ background: color-mix(in srgb, var(--chg) 16%, var(--surface));
+ color: color-mix(in srgb, var(--chg) 85%, var(--text));
+ font: 600 12px/1.35 var(--font);
+ letter-spacing: .02em;
+ white-space: nowrap;
+ pointer-events: none;
+ z-index: 3;
+}
@keyframes chg-pulse {
0% { box-shadow: var(--shadow), 0 0 0 0 color-mix(in srgb, var(--chg) 60%, transparent); }
70% { box-shadow: var(--shadow), 0 0 0 16px color-mix(in srgb, var(--chg) 0%, transparent); }
@@ -682,6 +761,78 @@ button, input { font: inherit; color: inherit; }
@media (prefers-reduced-motion: reduce) {
.node.chg { animation: none; }
.viewport.glide .surface { transition: none !important; }
+ .node.arrived, .pin.stamp, .pin.stamp::after, .pin.stamp .lbl, .pin.stamp i, .txt-change, .wire.wire-new { animation: none !important; }
+}
+
+/* ---------- motion: see `morph` and `travel` ---------- */
+/* the view left behind, lifted off as one picture */
+.ghost { position: absolute; left: 0; top: 0; transform-origin: 0 0; pointer-events: none; will-change: transform, opacity; }
+.ghost > * { position: absolute; left: 0; top: 0; }
+.node.leaving { --chg: var(--red); --chg-label: 'Removed'; pointer-events: none; border-color: var(--red); }
+/* a node that came into a view drawn again */
+.node.arrived:not(.chg) { animation: arrived 1.2s ease-out 1; }
+@keyframes arrived {
+ 0%, 30% { box-shadow: var(--shadow), 0 0 0 3px color-mix(in srgb, var(--green) 55%, transparent); border-color: var(--green); }
+}
+.node.kept-new:not(.chg) { --chg: var(--green); --chg-label: 'Added'; border-color: var(--green); }
+/* a node the ask added, marked by a step that reached it, is an addition still */
+.node.kept-new.chg-modified:not(.chg-pending) { --chg: var(--green); --chg-label: 'Added'; }
+.bp .pin.kept-new { background: color-mix(in srgb, var(--green) 14%, transparent); }
+.bp .pin.kept-new .lbl { color: color-mix(in srgb, var(--green) 75%, var(--text)); }
+/* A pin that came, or whose words changed, stamped onto its node - see
+ `stamp`: the words land from above and press in, the pin's dot pops on,
+ and a ring of ink spreads from where it struck - green for one that came,
+ amber for one that changed - as the mark it leaves fades. */
+.bp .pin.stamp { --ink: var(--green); animation: stamp-mark 1.5s ease-out var(--stamp-at, 0s) 1 backwards; }
+.bp .pin.stamp.changed { --ink: var(--orange); }
+.bp .pin.stamp .lbl { animation: stamp-press .5s cubic-bezier(.3, 1.5, .55, 1) var(--stamp-at, 0s) 1 backwards; }
+.bp .pin.stamp i { animation: stamp-dot .35s cubic-bezier(.3, 1.6, .55, 1) var(--stamp-at, 0s) 1 backwards; }
+.bp .pin.stamp::after {
+ content: '';
+ position: absolute;
+ inset: 1px 8px;
+ border: 2px solid var(--ink);
+ border-radius: 5px;
+ opacity: 0;
+ pointer-events: none;
+ animation: stamp-ink .75s ease-out calc(var(--stamp-at, 0s) + .2s) 1;
+}
+@keyframes stamp-press {
+ 0% { opacity: 0; transform: scale(1.9) translateY(-3px); filter: blur(1.5px); }
+ 55% { opacity: 1; transform: scale(.92); filter: none; }
+ 80% { transform: scale(1.03); }
+}
+@keyframes stamp-dot {
+ 0% { transform: scale(0); }
+}
+@keyframes stamp-ink {
+ 0% { opacity: .95; transform: scale(.94); }
+ 100% { opacity: 0; transform: scale(1.16, 1.5); }
+}
+@keyframes stamp-mark {
+ 0% { background: transparent; }
+ 20%, 45% { background: color-mix(in srgb, var(--ink) 24%, transparent); }
+}
+@keyframes words-change {
+ 0%, 35% { background: color-mix(in srgb, var(--orange) 28%, transparent); }
+}
+.bp .pin .lbl-was {
+ position: absolute;
+ font: 11px var(--mono);
+ color: var(--red);
+ text-decoration: line-through;
+ white-space: nowrap;
+ pointer-events: none;
+}
+.bp .pin.pin-out { position: absolute; pointer-events: none; }
+.bp .pin.pin-out .lbl { color: var(--red); text-decoration: line-through; }
+.txt-change { animation: words-change 1.2s ease-out 1; border-radius: 3px; }
+/* the wires of a view drawn again: the old fade, a gone one red, a new one green */
+.ghost-wires .wire { opacity: .7; }
+.ghost-wires .wire.gone { stroke: var(--red); opacity: 1; }
+.wire.wire-new { animation: wire-new 1.6s ease-out 1; }
+@keyframes wire-new {
+ 0%, 45% { stroke: var(--green); }
}
.viewport.glide .surface { transition: transform .6s cubic-bezier(.2, .7, .2, 1); }
.viewport.glide { transition: background-size .6s, background-position .6s; }
@@ -707,11 +858,17 @@ button, input { font: inherit; color: inherit; }
/* no edits yet: only the switches for what comes stay, in the corner */
.timeline.empty { left: auto; }
.timeline.empty > :not(.tl-ws):not(.tl-follow):not(.tl-speed):not(.tl-focus) { display: none; }
-body.with-tl-switches .zoom { bottom: 62px; }
-body.with-timeline .legend { bottom: 62px; }
-body.with-timeline .zoom { bottom: 62px; }
-body.with-timeline .panel { bottom: 62px; }
-.tl-controls { display: flex; gap: 2px; }
+/* what sits above the timeline keeps clear of it, however many rows it wraps
+ to - `--tl-top` is how far its top is from the window's foot */
+body.with-tl-switches .zoom,
+body.with-timeline .legend,
+body.with-timeline .zoom,
+body.with-timeline .panel { bottom: calc(var(--tl-top, 52px) + 10px); }
+.tl-controls { display: flex; flex: none; gap: 2px; max-width: 120px; overflow: hidden; transition: max-width .2s ease, opacity .2s ease; }
+/* following, folded away to the left - the flex gap after them goes too */
+.tl-controls.folded { max-width: 0; opacity: 0; margin-right: -8px; }
+.timeline .tl-unfold { min-width: 22px; padding: 0 4px; color: var(--muted); font-weight: 400; }
+.timeline .tl-unfold[hidden] { display: none; }
.timeline button {
height: 28px;
min-width: 28px;
@@ -723,6 +880,8 @@ body.with-timeline .panel { bottom: 62px; }
font-weight: 600;
cursor: pointer;
white-space: nowrap;
+ /* a switch keeps the width its words need - the track, the ask and the step give way instead */
+ flex: none;
}
.timeline button:hover:not(:disabled) { background: var(--hover); color: var(--tool-active); }
.timeline button:disabled { opacity: .4; cursor: default; }
@@ -745,7 +904,7 @@ body.with-timeline .panel { bottom: 62px; }
.tl-ticks .tick.reverted { background: var(--red); }
.tl-ticks .tick.discarded { background: var(--grey); opacity: .45; }
.tl-ticks .tick.edited { background: var(--blue); }
-.tl-ticks .tick.read { background: var(--primary); opacity: .4; height: 30%; }
+.tl-ticks .tick.inspect { background: var(--primary); opacity: .4; height: 30%; }
.tl-ticks .tick.at { height: 100%; opacity: 1; box-shadow: 0 0 0 2px var(--primary); }
/* a change made by hand is a little person: the tick its body, this its head */
.tl-ticks .tick.human { position: relative; height: 40%; }
@@ -771,7 +930,6 @@ body.with-timeline .panel { bottom: 62px; }
.tl-step .person, .replay-badge .person, .tl-ask .person, .ask-row .person { color: var(--blue); }
.tl-ask .glyph, .ask-row .glyph { color: var(--primary); }
/* where one ask's steps end and the next one's begin */
-.tl-ticks .tl-sep { flex: none; align-self: stretch; width: 2px; margin: 0 2px; border-radius: 1px; background: var(--border); }
.timeline .tl-ask {
flex: 0 1 auto;
min-width: 0;
@@ -783,6 +941,8 @@ body.with-timeline .panel { bottom: 62px; }
font-weight: 400;
font-size: 12px;
}
+.timeline .tl-ask:not([hidden]) { display: inline-flex; align-items: center; gap: 6px; }
+.timeline .tl-ask .ask-label { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.timeline .tl-ask[hidden] { display: none; }
.panel .ask-session {
display: flex;
@@ -822,6 +982,7 @@ body.with-timeline .panel { bottom: 62px; }
overflow: hidden;
}
.panel .ask-n { flex: none; color: var(--muted); font-size: 11px; }
+.timeline .tl-ask .ask-n { flex: none; color: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.panel .ask-play { flex: none; border: 0; background: none; color: var(--tool); cursor: pointer; }
.panel .ask-play:hover { color: var(--primary); }
.timeline .tl-step {
@@ -835,18 +996,56 @@ body.with-timeline .panel { bottom: 62px; }
color: var(--muted);
}
.timeline .tl-step:disabled { opacity: 1; }
-.tl-side { display: flex; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
+.tl-side { display: flex; flex: none; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.tl-side[hidden] { display: none; }
.timeline .tl-side button { border-radius: 0; font-weight: 400; font-size: 12px; }
.timeline .tl-side button[aria-pressed="true"] { background: var(--primary-soft); color: var(--primary); }
-.timeline .tl-follow { border: 1px solid var(--border); border-radius: 14px; font-weight: 400; }
-.timeline .tl-follow[aria-pressed="true"] { border-color: var(--primary); color: var(--primary); background: var(--primary-soft); }
+/* the follow switch: green while it follows live changes, grey while it does not */
+.timeline .tl-follow {
+ display: inline-flex;
+ align-items: center;
+ gap: 7px;
+ padding: 0 10px 0 6px;
+ border: 1px solid var(--border);
+ border-radius: 14px;
+ font-weight: 400;
+ color: var(--muted);
+}
+.tl-follow .switch {
+ position: relative;
+ flex: none;
+ width: 26px;
+ height: 15px;
+ border-radius: 8px;
+ background: var(--grey);
+ opacity: .6;
+ transition: background .15s, opacity .15s;
+}
+.tl-follow .switch::after {
+ content: '';
+ position: absolute;
+ top: 2px;
+ left: 2px;
+ width: 11px;
+ height: 11px;
+ border-radius: 50%;
+ background: #fff;
+ box-shadow: 0 1px 2px rgb(0 0 0 / .25);
+ transition: transform .15s;
+}
+.timeline .tl-follow[aria-checked="true"] {
+ border-color: var(--green);
+ color: color-mix(in srgb, var(--green) 80%, var(--text));
+ background: color-mix(in srgb, var(--green) 12%, transparent);
+}
+.timeline .tl-follow[aria-checked="true"]:hover:not(:disabled) {
+ color: color-mix(in srgb, var(--green) 80%, var(--text));
+ background: color-mix(in srgb, var(--green) 20%, transparent);
+}
+.tl-follow[aria-checked="true"] .switch { background: var(--green); opacity: 1; }
+.tl-follow[aria-checked="true"] .switch::after { transform: translateX(11px); }
.replay-badge {
- position: fixed;
- left: 12px;
- top: 64px;
- z-index: 12;
padding: 4px 10px;
border: 1px solid var(--orange);
border-radius: 14px;
@@ -854,12 +1053,12 @@ body.with-timeline .panel { bottom: 62px; }
color: var(--text);
font-size: 12px;
box-shadow: var(--shadow-bar);
- max-width: calc(100vw - 24px);
overflow: hidden;
white-space: nowrap;
text-overflow: ellipsis;
}
.replay-badge[hidden] { display: none; }
+.replay-badge .off-map { color: var(--muted); }
.panel .chg-row { display: flex; align-items: baseline; gap: 8px; }
.panel .chg-tag {
@@ -872,7 +1071,7 @@ body.with-timeline .panel { bottom: 62px; }
}
.panel .chg-tag.added { background: var(--green); }
.panel .chg-tag.removed { background: var(--red); }
-.panel .chg-tag.read { background: var(--blue); }
+.panel .chg-tag.inspect { background: var(--blue); }
.panel .diff-file { margin: 8px 0 2px; font: 12px var(--mono); }
.panel .diff-file span { color: var(--muted); }
.panel .diff pre {
@@ -894,8 +1093,7 @@ body.with-timeline .panel { bottom: 62px; }
.search input { width: 160px; }
.panel { width: auto; left: 12px; top: auto; height: 45vh; }
.panel:not([hidden]) ~ .zoom { right: 12px; bottom: calc(45vh + 24px); }
- body.with-timeline .panel { bottom: 62px; }
- body.with-timeline .panel:not([hidden]) ~ .zoom { bottom: calc(45vh + 74px); }
+ body.with-timeline .panel:not([hidden]) ~ .zoom { bottom: calc(45vh + var(--tl-top, 52px) + 22px); }
}
/* a VS Code side bar: one column - the crumbs get a row of their own above
@@ -910,11 +1108,22 @@ body.with-timeline .panel { bottom: 62px; }
.search svg { top: 8px; }
.tools .chip { padding: 0 6px; font-size: 11px; }
.viewport { top: 84px; }
- .panel, .note-bar, .replay-badge { top: 94px; }
+ .panel, .top-notes { top: 94px; }
+ .panel { left: 6px; right: 6px; }
+}
+
+/* too narrow for the track beside every switch: it takes a row of its own,
+ rather than a switch being pushed out of the bar */
+@media (max-width: 720px) {
.timeline { flex-wrap: wrap; left: 6px; right: 6px; bottom: 6px; }
.tl-track { order: 5; flex-basis: 100%; }
.timeline .tl-step { flex: 1 1 0; max-width: none; }
.timeline .tl-ask { max-width: 12ch; }
- body.with-timeline .zoom, body.with-timeline .panel { bottom: 88px; }
- .panel { left: 6px; right: 6px; }
+ /* `Following · 12`, the word left to the tooltip */
+ .tl-follow .tl-behind { display: none; }
+}
+
+@media (max-width: 560px) {
+ /* `Follow`, the rest of its name left to the tooltip */
+ .tl-follow .tl-follow-more { display: none; }
}
diff --git a/assets/vis/vis.html b/assets/vis/vis.html
index d43e3aa..4d2db14 100644
--- a/assets/vis/vis.html
+++ b/assets/vis/vis.html
@@ -37,8 +37,11 @@
+
+
+
@@ -58,12 +61,16 @@
-
+
+
+
+
+
-
-
+
+
@@ -76,9 +83,9 @@
-
+
-
+
diff --git a/assets/vis/vis.js b/assets/vis/vis.js
index e1d0b68..fbbaee2 100644
--- a/assets/vis/vis.js
+++ b/assets/vis/vis.js
@@ -133,7 +133,7 @@
const timer = setTimeout(() => {
waiting.delete(id);
reject(new Error('the extension did not answer'));
- }, 30000);
+ }, 65000);
waiting.set(id, m => {
clearTimeout(timer);
resolve(m);
@@ -270,8 +270,12 @@
}
}
- // the live map at the route in the address - any replay ends here
- async function render(keepView) {
+ // a level that timed out, rather than one that could not be drawn
+ const busy = e => /did not answer|timed out/.test(e.message || '');
+
+ // the live map at the route in the address - any replay ends here; a level
+ // the analyser was too busy to answer for is asked for once more
+ async function render(keepView, again) {
const seq = ++renderSeq;
endReplay();
const route = parseRoute();
@@ -303,6 +307,11 @@
} catch (e) {
if (seq !== renderSeq) return;
clearCanvas();
+ if (!again && busy(e)) {
+ showMessage('Still drawing this level', 'the analyser is busy - asking again');
+ setTimeout(() => seq === renderSeq && render(keepView, true), 1500);
+ return;
+ }
showMessage('Could not draw this level', e.message);
}
crumbs();
@@ -353,7 +362,7 @@
gap.style.visibility = 'hidden';
return gap;
}
- const e = h('div', `pin ${side} ${p.data ? 'data' : p.more ? 'more' : 'exec'}`);
+ const e = h('div', `pin ${side} ${p.data ? 'data' : p.more ? 'more' : 'exec'}${p.ret ? ' ret' : ''}`);
if (p.pin) e.dataset.pin = p.pin;
if (p.colour) e.style.setProperty('--pin', p.colour);
if (p.title) e.title = p.title;
@@ -361,8 +370,12 @@
return e;
}
+ // the pin for what a function returns
+ const returnsPin = (type, pin) => ({ ret: true, data: true, label: 'Returns ' + type, title: 'returns ' + type, colour: typeColour(type), pin });
+
// a node in the blueprint style: a header in the node's colour, then rows of
- // input pins on the left and output pins on the right
+ // input pins on the left and output pins on the right - what it returns
+ // last, ruled off from the rest
function bp({ accent, k, t, q, badges, ins, outs, body, cls }) {
const n = h('div', 'node bp' + (cls ? ' ' + cls : ''));
n.style.setProperty('--accent', accent || 'var(--grey)');
@@ -379,8 +392,13 @@
if (body) n.append(h('div', 'body', body));
const rows = h('div', 'rows');
const left = ins || [];
- const right = outs || [];
+ const right = (outs || []).filter(p => !p.ret);
+ const returns = (outs || []).filter(p => p.ret);
for (let i = 0; i < Math.max(left.length, right.length); i++) rows.append(pinEl(left[i], 'in'), pinEl(right[i], 'out'));
+ if (returns.length) {
+ rows.append(h('div', 'sep'));
+ for (const p of returns) rows.append(pinEl(null, 'in'), pinEl(p, 'out'));
+ }
n.append(rows);
return n;
}
@@ -660,7 +678,7 @@
return { pin: 'c' + c.to, label: target ? target.name : '?', title: `line ${c.line}` };
});
if (f.calls_total > calls.length) outs.push({ more: true, label: `+${f.calls_total - calls.length} more` });
- if (f.ret) outs.push({ data: true, label: f.ret, colour: typeColour(f.ret), pin: 'ret' });
+ if (f.ret) outs.push(returnsPin(f.ret, 'ret'));
const badges = [];
if (f.entry && !f.module && !f.test) badges.push(badge('mode entry', 'entry', 'nothing else in the map calls it'));
if (f.recursive) badges.push(badge('mode', '↻', 'calls itself'));
@@ -737,8 +755,15 @@
const f = d.function;
const nodes = [];
let seq = 0;
+ // a step is known again in the next drawing by what it is, not where it
+ // falls - its kind and words, and which of the same it is
+ const seen = new Map();
const add = (el, kind, data, drill) => {
- const n = { id: 'n' + seq++, kind, data, el, drill };
+ const what = data ? `${data.qual ? data.qual + '.' : ''}${data.name || data.label || data.kind || ''}` : '';
+ const base = `${kind}:${what}`;
+ const k = seen.get(base) || 0;
+ seen.set(base, k + 1);
+ const n = { id: 'n' + seq++, mkey: `${base}#${k}`, kind, data, el, drill };
nodes.push(n);
return n;
};
@@ -753,7 +778,7 @@
q: `${f.file}:${f.line}`,
badges: entryBadges,
body: d.callers_total ? `called by ${d.callers.slice(0, 3).map(c => c.name).join(', ')}${d.callers_total > 3 ? ` +${d.callers_total - 3}` : ''}` : f.module ? null : 'nothing in the map calls it',
- outs: [{ pin: 'out', label: 'then' }, ...d.params.map((p, i) => ({ pin: 'p' + i, data: true, label: p, colour: typeColour(p.split(/[:\s]/).pop()) }))].concat(f.ret ? [{ data: true, label: '→ ' + f.ret, colour: typeColour(f.ret) }] : []),
+ outs: [{ pin: 'out', label: 'then' }, ...d.params.map((p, i) => ({ pin: 'p' + i, data: true, label: p, colour: typeColour(p.split(/[:\s]/).pop()) }))].concat(f.ret ? [returnsPin(f.ret)] : []),
}),
'entry',
{ ...d, step: null }
@@ -838,7 +863,7 @@
}
const tree = blocks(d.steps);
- const end = add(bp({ cls: 'terminal', accent: 'var(--faint)', k: 'end', t: f.ret ? 'Falls off the end' : 'End', ins: [{ pin: 'in', label: '' }] }), 'end', { t: 'end' });
+ const end = add(bp({ cls: 'terminal', accent: 'var(--faint)', k: 'end', t: 'End of scope', ins: [{ pin: 'in', label: '' }] }), 'end', { t: 'end' });
return {
key: 'flow',
kind: 'bp',
@@ -1024,6 +1049,401 @@
return result;
}
+ // ------------------------------------------------------------- groups
+
+ // a group of this many nodes or more splits into the groups within it,
+ // and a scene this big reads, zoomed out, as its groups
+ const GROUP_MIN = 50;
+ // zoomed out to this a group's nodes fold away into its card, and back in
+ // to this they return - a gap between, so it never flickers
+ const GROUP_HIDE = 0.4;
+ const GROUP_SHOW = 0.5;
+ // a group that holds groups opens into them once it covers this much of
+ // the screen, and folds again below this - and one opened by a click stays
+ // open until zoomed back out past where it fit
+ const OPEN_AT = 0.75;
+ const FOLD_AT = 0.6;
+ const HOLD_AT = 0.85;
+ // directories with fewer components than this, side by side, are one group
+ const GROUP_SMALL = 5;
+ // functions to a run of a file, about, when nothing else groups them
+ const FN_RUN = 30;
+ // room round a group's nodes for its outline - its title along the top
+ const GROUP_PAD = { left: 28, top: 40, right: 28, bottom: 28 };
+ const MARKS = ['added', 'removed', 'modified', 'inspect'];
+ // the shape groups are packed into, about the screen's
+ const SHELF_ASPECT = 1.6;
+ // a bundle of wires is counted from this many calls
+ const BUNDLE_COUNTED = 5;
+
+ // The groups a big scene's nodes fall into, each the context they share -
+ // a container's components by directory, a directory with too many in it
+ // split into the directories within it; a file's functions by the type
+ // that owns them - each before the groups within it. None for a scene
+ // small enough to read whole.
+ function groupScene(scene) {
+ const comps = scene.nodes.filter(n => n.kind === 'component');
+ const fns = scene.nodes.filter(n => n.kind === 'function');
+ let root;
+ let unit;
+ if (comps.length >= GROUP_MIN) [root, unit] = [dirTree(comps), 'component'];
+ else if (fns.length >= GROUP_MIN) {
+ const owner = n => (n.data.test ? 'tests' : n.data.module ? 'top level' : n.data.owner || 'free functions');
+ const by = new Map();
+ for (const n of fns) by.set(owner(n), [...(by.get(owner(n)) || []), n.id]);
+ const children = [...by].sort((a, b) => a[0].localeCompare(b[0])).map(([key, members]) => ({ key, title: key, path: '', members, children: [] }));
+ // A group of many with nothing more to tell them apart - a script's free
+ // functions - splits into runs of the file, a few dozen at a time, each
+ // called by the functions it runs from and to.
+ const fn = new Map(fns.map(n => [n.id, n]));
+ for (const c of children) {
+ if (c.members.length < GROUP_MIN) continue;
+ const inOrder = c.members.map(id => fn.get(id)).sort((a, b) => a.data.line - b.data.line);
+ const size = Math.ceil(inOrder.length / Math.ceil(inOrder.length / FN_RUN));
+ for (let at = 0; at < inOrder.length; at += size) {
+ const run = inOrder.slice(at, at + size);
+ const [a, b] = [run[0].data, run[run.length - 1].data];
+ c.children.push({ key: `${c.key} ${a.line}`, title: `${a.name} … ${b.name}`, path: `lines ${a.line}–${b.end || b.line}`, members: run.map(n => n.id), children: [] });
+ }
+ }
+ [root, unit] = [{ key: 'functions', title: 'functions', path: '', members: fns.map(n => n.id), children }, 'function'];
+ } else return null;
+ // the whole scene one card only when nothing splits it
+ const tops = root.children.length ? root.children : [root];
+ const all = [];
+ const chains = new Map();
+ const walk = (c, up) => {
+ Object.assign(c, { i: all.length, parent: up[up.length - 1] || null, unit });
+ all.push(c);
+ const chain = [...up, c];
+ if (!c.children.length) for (const id of c.members) chains.set(id, chain);
+ for (const k of c.children) walk(k, chain);
+ };
+ for (const t of tops) walk(t, []);
+ scene.tops = tops;
+ scene.chains = chains;
+ return all;
+ }
+
+ // A container's components as a tree of their directories: one that holds
+ // only one directory is passed through, and one with too many components
+ // splits into the directories in it - its own files a group of their own.
+ function dirTree(nodes) {
+ const segs = new Map(nodes.map(n => [n.id, (n.data.dir || '').split('/').filter(Boolean)]));
+ const named = key => {
+ const cut = key.lastIndexOf('/');
+ return { title: key.slice(cut + 1) || key, path: cut > 0 ? key.slice(0, cut + 1) : '' };
+ };
+ // `name` - the directory that sets the group apart from the ones beside
+ // it, which it is called by, however deep its own files sit below it
+ const build = (items, depth, name) => {
+ let d = depth;
+ while (items.every(n => segs.get(n.id).length > d) && new Set(items.map(n => segs.get(n.id)[d])).size === 1) d++;
+ const key = segs.get(items[0].id).slice(0, d).join('/') || '.';
+ const c = { key, ...named(key), members: items.map(n => n.id), children: [] };
+ if (name && name !== c.title) Object.assign(c, { title: name, path: key });
+ if (items.length < GROUP_MIN) return c;
+ const by = new Map();
+ for (const n of items) {
+ const s = segs.get(n.id)[d] ?? '';
+ if (!by.has(s)) by.set(s, []);
+ by.get(s).push(n);
+ }
+ if (by.size < 2) return c;
+ const subs = [...by].sort((a, b) => a[0].localeCompare(b[0]));
+ // a run of little directories reads better as one group than as a card each
+ const small = subs.filter(([s, sub]) => s && sub.length < GROUP_SMALL);
+ const merged = small.length >= 2 ? new Set(small.map(([s]) => s)) : new Set();
+ for (const [s, sub] of subs) {
+ if (merged.has(s)) continue;
+ c.children.push(s ? build(sub, d + 1, s) : { key: key + '/', title: c.title + ' files', path: key + '/', members: sub.map(n => n.id), children: [] });
+ }
+ if (merged.size) {
+ const members = small.flatMap(([, sub]) => sub.map(n => n.id));
+ c.children.push({ key: key + '/…', title: `${merged.size} smaller directories`, path: key + '/', members, children: [] });
+ }
+ return c;
+ };
+ return build(nodes, 0);
+ }
+
+ // a group and the groups it is in, outermost first
+ function chainOf(g) {
+ const out = [];
+ for (let x = g; x; x = x.parent) out.unshift(x);
+ return out;
+ }
+
+ // the classes a node or wire takes from the groups it is in - see `regroup`
+ const groupClasses = (scene, id) => ((scene.chains && scene.chains.get(id)) || []).map(g => 'cg-' + g.i);
+
+ // is a node out of sight in a folded group
+ const hiddenByGroup = id => !!S.collapsed && ((S.scene.chains && S.scene.chains.get(id)) || []).some(g => S.collapsed.has(g.i));
+
+ // A big scene laid out a group at a time: each group's nodes together, the
+ // groups in a group laid out as nodes of their own, and so on up - so each
+ // group holds a region of its own, which folded is one overview card.
+ function layeredGroups(scene) {
+ const byId = new Map(scene.nodes.map(n => [n.id, n]));
+ const opts = { gapX: scene.gapX, gapY: scene.gapY, order: scene.order, maxCol: 8 };
+ const padW = GROUP_PAD.left + GROUP_PAD.right;
+ const padH = GROUP_PAD.top + GROUP_PAD.bottom;
+ // Parts packed in rows, the biggest first, into a block the shape of the
+ // screen - the calls between groups are their bundled wires, so where a
+ // group sits needs to follow them less than it needs to be found - and
+ // where each part's own nodes then sit.
+ const arrange = (parts, gap) => {
+ const size = p => (p.k ? p.k.members.length : 0);
+ const sorted = [...parts].sort((a, b) => size(b) - size(a) || b.h - a.h || String(a.k ? a.k.key : a.id).localeCompare(String(b.k ? b.k.key : b.id)));
+ const area = parts.reduce((a, p) => a + (p.w + gap) * (p.h + gap), 0);
+ const row = Math.max(...parts.map(p => p.w), Math.sqrt(area * SHELF_ASPECT));
+ const where = new Map();
+ let [x, y, tall] = [0, 0, 0];
+ for (const p of sorted) {
+ if (x > 0 && x + p.w > row) [x, y, tall] = [0, y + tall + gap, 0];
+ where.set(p.id, { x, y });
+ x += p.w + gap;
+ tall = Math.max(tall, p.h);
+ }
+ const pos = new Map();
+ let w = 0;
+ let h = 0;
+ for (const p of parts) {
+ const o = where.get(p.id) || { x: 0, y: 0 };
+ if (p.k) for (const [id, q] of p.pos) pos.set(id, { x: o.x + q.x, y: o.y + q.y });
+ else pos.set(p.id, o);
+ w = Math.max(w, o.x + p.w);
+ h = Math.max(h, o.y + p.h);
+ }
+ return { pos, w, h };
+ };
+ // one group laid out: where each of its nodes sits within its box, and the box's size
+ const lay = c => {
+ let inner;
+ if (c.children.length) inner = arrange(c.children.map(k => ({ id: 'g:' + k.i, k, ...lay(k) })), 50);
+ else {
+ const members = c.members.map(id => byId.get(id)).filter(Boolean);
+ const ids = new Set(c.members);
+ const at = layered(members, scene.edges.filter(e => ids.has(e.from) && ids.has(e.to)), opts);
+ inner = { pos: new Map(), w: 0, h: 0 };
+ for (const n of members) {
+ const p = at.get(n.id) || { x: 0, y: 0 };
+ inner.pos.set(n.id, p);
+ inner.w = Math.max(inner.w, p.x + n.w);
+ inner.h = Math.max(inner.h, p.y + n.h);
+ }
+ }
+ const pos = new Map();
+ for (const [id, q] of inner.pos) pos.set(id, { x: GROUP_PAD.left + q.x, y: GROUP_PAD.top + q.y });
+ return { pos, w: inner.w + padW, h: inner.h + padH };
+ };
+ const parts = scene.tops.map(t => ({ id: 'g:' + t.i, k: t, ...lay(t) }));
+ const grouped = new Set(scene.tops.flatMap(t => t.members));
+ for (const n of scene.nodes) if (!grouped.has(n.id)) parts.push(n);
+ return arrange(parts, 90).pos;
+ }
+
+ // a group's box: round its nodes, or round the boxes of the groups in it,
+ // with room for its outline - worked out afresh, so it follows a dragged node
+ function clusterBox(c) {
+ let [x0, y0, x1, y1] = [Infinity, Infinity, -Infinity, -Infinity];
+ const take = (a, b, c2, d) => ([x0, y0, x1, y1] = [Math.min(x0, a), Math.min(y0, b), Math.max(x1, c2), Math.max(y1, d)]);
+ if (c.children.length) {
+ for (const k of c.children) {
+ const b = clusterBox(k);
+ if (b) take(b.x, b.y, b.x + b.w, b.y + b.h);
+ }
+ } else {
+ for (const id of c.members) {
+ const n = S.byId.get(id);
+ if (n) take(n.x, n.y, n.x + n.w, n.y + n.h);
+ }
+ }
+ c.box = x0 === Infinity ? null : { x: x0 - GROUP_PAD.left, y: y0 - GROUP_PAD.top, w: x1 - x0 + GROUP_PAD.left + GROUP_PAD.right, h: y1 - y0 + GROUP_PAD.top + GROUP_PAD.bottom };
+ return c.box;
+ }
+
+ // a group as one line: how much is in it
+ function groupSummary(g) {
+ const ms = g.members.map(id => S.byId.get(id)).filter(Boolean);
+ const within = g.children.length ? ` in ${plural(g.children.length, 'group')}` : '';
+ if (g.unit === 'component') {
+ const lines = ms.reduce((a, n) => a + (n.data.lines || 0), 0);
+ const langs = [...new Set(ms.map(n => langName(n.data.language)))].slice(0, 3).join(', ');
+ return `${plural(ms.length, 'component')}${within} · ${plural(lines, 'line')}${langs ? ' · ' + langs : ''}`;
+ }
+ const entries = ms.filter(n => n.data.entry).length;
+ return plural(ms.length, 'function') + within + (entries ? ` · ${plural(entries, 'entry point')}` : '');
+ }
+
+ // the rules that fold groups away, written as the zoom changes
+ function groupStyle() {
+ let el = document.getElementById('group-style');
+ if (!el) {
+ el = document.createElement('style');
+ el.id = 'group-style';
+ document.head.append(el);
+ }
+ return el;
+ }
+
+ // Which groups are folded at this zoom: one with nodes of its own, until
+ // zoomed in far enough to read them; one holding groups, until zoomed in
+ // near to where it alone would fill the screen. A folded group's nodes,
+ // wires and inner groups go, and its card shows - by a rule each, so
+ // folding a group of hundreds touches one style.
+ function regroup() {
+ const sc = S.scene;
+ if (!sc || !sc.groups) return;
+ const vp = $('viewport');
+ const z = S.zoom;
+ // the first look starts from everything folded
+ const was = S.collapsed || new Set(sc.groups.map(g => g.i));
+ const now = new Set();
+ const [vw, vh] = [vp.clientWidth, vp.clientHeight];
+ // the zoom the whole scene fits at - nothing opens by zoom until past it, so
+ // the scene fitted reads as its top groups however big a share one takes
+ if (S.sceneFit == null) {
+ const b = bounds();
+ S.sceneFit = clamp(Math.min((vw - 96) / b.w, (vh - 150) / b.h), minZoom(), 1.15);
+ }
+ const past = z > S.sceneFit * 1.15;
+ const visit = c => {
+ const folded = was.has(c.i);
+ let open = z >= (folded ? GROUP_SHOW : GROUP_HIDE);
+ if (!open && c.children.length && c.box) {
+ // how much of the screen it would take, wherever it is panned to
+ const cover = (Math.min(c.box.w * z, vw) * Math.min(c.box.h * z, vh)) / (vw * vh);
+ const fit = Math.min((vw - 96) / c.box.w, (vh - 150) / c.box.h);
+ open = (past && cover >= (folded ? OPEN_AT : FOLD_AT)) || (S.opened.has(c.i) && z >= fit * HOLD_AT);
+ }
+ if (open) return c.children.forEach(visit);
+ now.add(c.i);
+ S.opened.delete(c.i);
+ };
+ sc.tops.forEach(visit);
+ const same = !!S.collapsed && now.size === S.collapsed.size && [...now].every(i => S.collapsed.has(i));
+ S.collapsed = now;
+ if (!same) {
+ groupStyle().textContent = [...now].map(i => `.cg-${i}, .gframe-${i} { display: none !important; } .gcard-${i} { display: flex !important; }`).join('\n');
+ for (const g of sc.groups) if (now.has(g.i) && g.el && g.box) placeCard(g);
+ }
+ if (!same || (now.size && z !== S.groupZoom)) drawGroupWires();
+ }
+
+ function placeCard(g) {
+ Object.assign(g.el.style, { left: g.box.x + 'px', top: g.box.y + 'px', width: g.box.w + 'px', height: g.box.h + 'px' });
+ g.el.style.setProperty('--w', g.box.w + 'px');
+ g.el.style.setProperty('--h', g.box.h + 'px');
+ }
+
+ // Each group as one overview card over the region its nodes hold - shown
+ // while it is folded: what it is, how much is in it, and how much of it
+ // the step on show touched. A click opens it.
+ function drawGroups() {
+ const host = $('groups');
+ host.textContent = '';
+ for (const g of S.scene.groups || []) {
+ if (!g.box) continue;
+ const el = h('div', 'group-card gcard-' + g.i);
+ el.classList.add(...chainOf(g).slice(0, -1).map(x => 'cg-' + x.i));
+ g.mark = h('div', 'g-mark');
+ g.mark.hidden = true;
+ const what = g.path || (g.unit === 'component' ? 'components' : ['tests', 'top level', 'free functions'].includes(g.key) ? 'functions' : 'type');
+ el.append(h('div', 'g-what', what), h('div', 'g-title', g.title), h('div', 'g-sub', groupSummary(g)), g.mark);
+ el.title = `${g.key} - click, or zoom in, to open it`;
+ el.addEventListener('click', ev => {
+ ev.stopPropagation();
+ openGroup(g);
+ });
+ g.el = el;
+ placeCard(g);
+ host.append(el);
+ }
+ markGroups();
+ }
+
+ // a group opened: one of nodes zoomed in until they can be read, one of
+ // groups until it fills the screen and opens into them
+ function openGroup(g) {
+ if (!g.children.length) return flyTo(g.members.map(id => S.byId.get(id)).filter(Boolean));
+ S.opened.add(g.i);
+ const vp = $('viewport');
+ const b = g.box;
+ S.zoom = clamp(Math.min((vp.clientWidth - 96) / b.w, (vp.clientHeight - 150) / b.h), minZoom(), 1.15);
+ S.panX = vp.clientWidth / 2 - (b.x + b.w / 2) * S.zoom;
+ S.panY = vp.clientHeight / 2 - (b.y + b.h / 2) * S.zoom;
+ glide();
+ applyView();
+ }
+
+ // a group whose nodes the step on show touched is marked as most of them are, and counts them
+ function markGroups() {
+ for (const g of (S.scene && S.scene.groups) || []) {
+ if (!g.el) continue;
+ const hows = [];
+ for (const id of g.members) {
+ const n = S.byId.get(id);
+ const how = n && MARKS.find(m => n.el.classList.contains('chg-' + m));
+ if (how) hows.push(how);
+ }
+ g.el.classList.remove('chg', ...MARKS.map(m => 'chg-' + m));
+ g.mark.hidden = !hows.length;
+ if (!hows.length) continue;
+ const most = MARKS.map(m => [m, hows.filter(x => x === m).length]).sort((p, q) => q[1] - p[1])[0][0];
+ g.el.classList.add('chg', 'chg-' + most);
+ g.mark.textContent = `${hows.length} ${most === 'inspect' ? 'inspected' : 'changed'}`;
+ }
+ }
+
+ // The wires to and between folded groups: one for each pair of what is in
+ // sight, as thick as the calls it carries and counted - drawn for the zoom,
+ // so they read the same however far out.
+ function drawGroupWires() {
+ const svg = $('group-wires');
+ svg.textContent = '';
+ const sc = S.scene;
+ if (!sc || !sc.groups || !S.collapsed || !S.collapsed.size) return;
+ const z = 1 / S.zoom;
+ S.groupZoom = S.zoom;
+ $('groups').style.setProperty('--gz', String(z));
+ // what stands for a node: the outermost folded group it is in, if any
+ const stand = id => ((sc.chains && sc.chains.get(id)) || []).find(g => S.collapsed.has(g.i)) || null;
+ const all = new Map();
+ for (const e of sc.edges) {
+ const a = stand(e.from);
+ const b = stand(e.to);
+ if ((!a && !b) || a === b) continue;
+ const k = `${a ? 'g' + a.i : e.from}>${b ? 'g' + b.i : e.to}`;
+ if (!all.has(k)) all.set(k, { a: a ? a.box : S.byId.get(e.from), b: b ? b.box : S.byId.get(e.to), count: 0 });
+ all.get(k).count += (e.data && e.data.count) || 1;
+ }
+ const ns = 'http://www.w3.org/2000/svg';
+ const make = (tag, attrs) => {
+ const x = document.createElementNS(ns, tag);
+ for (const [k, v] of Object.entries(attrs)) x.setAttribute(k, v);
+ return x;
+ };
+ for (const { a, b, count } of all.values()) {
+ if (!a || !b || a.w == null || b.w == null) continue;
+ const [p1, p2] = sideAnchors(a, b);
+ const len = Math.hypot(p2.x - p1.x, p2.y - p1.y) || 1;
+ const ux = (p2.x - p1.x) / len;
+ const uy = (p2.y - p1.y) / len;
+ const s = 9 * z;
+ const bx = p2.x - ux * s;
+ const by = p2.y - uy * s;
+ // a thin bundle is told by its thickness alone - counting every one crowds the cards
+ const label = make('text', { x: (p1.x + p2.x) / 2, y: (p1.y + p2.y) / 2, 'font-size': 12 * z, style: `stroke-width: ${4 * z}` });
+ label.textContent = count >= BUNDLE_COUNTED ? `×${count}` : '';
+ svg.append(
+ make('path', { d: `M${p1.x} ${p1.y} L${bx} ${by}`, class: 'gwire', 'vector-effect': 'non-scaling-stroke', style: `stroke-width: ${1.5 + Math.min(4, Math.log2(count))}` }),
+ make('path', { d: `M${p2.x} ${p2.y} L${bx - uy * s * 0.55} ${by + ux * s * 0.55} L${bx + uy * s * 0.55} ${by - ux * s * 0.55} z`, class: 'ghead' }),
+ label
+ );
+ }
+ }
+
// the context level: the system in the middle, what calls in on its left,
// what it reaches on its right
function layoutContext(scene) {
@@ -1129,25 +1549,39 @@
$('note').hidden = true;
S.scene = null;
S.byId = new Map();
- }
-
+ S.lit = null;
+ $('lit-wires').textContent = '';
+ $('wires').classList.remove('dimming');
+ $('groups').textContent = '';
+ $('group-wires').textContent = '';
+ groupStyle().textContent = '';
+ S.collapsed = null;
+ S.opened = new Set();
+ S.sceneFit = null;
+ S.groupZoom = null;
+ S.alsoLit = new Set();
+ }
+
+ // Each pin's dot centre, from the node's outer corner - as drawn, to the
+ // fraction of a pixel, and back out of the scale it is drawn at, whatever
+ // the camera or a running animation holds.
function measurePins(n) {
n.pins = new Map();
+ const box = n.el.getBoundingClientRect();
+ const k = box.width / (n.el.offsetWidth || 1) || 1;
for (const p of n.el.querySelectorAll('[data-pin]')) {
- const dot = p.querySelector('i') || p;
- let x = dot.offsetWidth / 2;
- let y = dot.offsetHeight / 2;
- let e = dot;
- while (e && e !== n.el) {
- x += e.offsetLeft;
- y += e.offsetTop;
- e = e.offsetParent;
- }
- n.pins.set(p.dataset.pin, { x, y });
+ const dot = (p.querySelector('i') || p).getBoundingClientRect();
+ n.pins.set(p.dataset.pin, { x: (dot.left + dot.width / 2 - box.left) / k, y: (dot.top + dot.height / 2 - box.top) / k });
}
}
function mount(scene, keepView) {
+ const was = remember();
+ const same = !!was && sameView(was.route, S.route);
+ const via = S.via;
+ S.via = null;
+ // another view: the one on show lifted off as a picture, to move away as this one comes in
+ const ghost = was && !same ? lift(was) : null;
clearCanvas();
// the list of asks belongs to no one level, so it stays while they are walked
if (!S.asksPanel) hidePanel();
@@ -1167,9 +1601,23 @@
n.h = n.el.offsetHeight;
measurePins(n);
}
+ // a big scene is laid out a group at a time, and zoomed out reads as its groups
+ if (scene.groups === undefined) {
+ scene.groups = scene.layout === 'layered' ? groupScene(scene) : null;
+ if (scene.groups) {
+ // laid out afresh, apart from where its nodes sat ungrouped
+ scene.key += ':grouped';
+ scene.frames = [
+ ...(scene.frames || []),
+ ...scene.groups.map(g => ({ title: g.key, sub: plural(g.members.length, g.unit), members: g.members, cls: 'group', group: g })),
+ ];
+ }
+ }
+ for (const n of scene.nodes) n.el.classList.add(...groupClasses(scene, n.id));
let pos;
if (scene.layout === 'flow') pos = layoutFlow(scene);
else if (scene.layout === 'context') pos = layoutContext(scene);
+ else if (scene.groups) pos = layeredGroups(scene);
else pos = layered(scene.nodes, scene.edges, scene);
const saved = scene.persist ? store.get('pos:' + scene.key, {}) : {};
for (const n of scene.nodes) {
@@ -1181,6 +1629,7 @@
}
drawFrames();
drawEdges();
+ drawGroups();
if (scene.note) {
$('note').textContent = scene.note;
$('note').hidden = false;
@@ -1190,8 +1639,375 @@
if (keepView) applyView();
else fit();
const changed = applyMarks();
- if (S.fly && changed.length) flyTo(changed);
+ for (const n of changed) if (n.el.classList.contains('chg-added')) keepNew('node:' + morphKey(n));
+ // the camera goes straight to where it ends, and the motion carries it there
+ const moving = same || !!ghost;
+ if (S.fly && changed.length) flyTo(changed, moving);
S.fly = false;
+ if (same) morph(was);
+ else if (ghost) travel(was, ghost, via);
+ showKept();
+ showOffMap();
+ S.shownRoute = S.route && { ...S.route };
+ }
+
+ // ------------------------------------------------------------- additions kept
+
+ // What each step added - nodes, the pins of a parameter, a return or a
+ // call, and wires - by the view it was seen in. Those of the collection on
+ // show, up to the step on show, stay green: a flash fades to grey long
+ // before the ask is done. Another collection on show, they rest.
+ const KEPT = new Map();
+ // steps whose additions are kept, at most - the timeline holds fewer
+ const KEPT_MAX = 400;
+
+ // a view as its additions are kept: a function by its name, so a step that
+ // moves it keeps them
+ const keptView = r => (!r ? '' : r.level === 'flow' ? `flow:${r.file}@${r.name || r.line}` : href(r));
+
+ function keepNew(key) {
+ const ev = T.at != null ? T.steps[T.at] : null;
+ if (!ev) return;
+ const v = keptView(S.route);
+ if (!KEPT.has(ev.seq)) KEPT.set(ev.seq, new Map());
+ const views = KEPT.get(ev.seq);
+ if (!views.has(v)) views.set(v, new Set());
+ views.get(v).add(key);
+ if (KEPT.size > KEPT_MAX) {
+ const held = new Set(T.steps.map(s => s.seq));
+ for (const seq of KEPT.keys()) if (!held.has(seq)) KEPT.delete(seq);
+ }
+ }
+
+ // the additions of the collection on show, up to the step on show, green on the scene
+ function showKept() {
+ for (const el of document.querySelectorAll('.kept-new')) el.classList.remove('kept-new');
+ if (!S.scene || T.at == null) return;
+ const v = keptView(S.route);
+ const kept = new Set();
+ for (const i of shownSteps()) {
+ if (i > T.at) break;
+ for (const k of KEPT.get(T.steps[i].seq)?.get(v) || []) kept.add(k);
+ }
+ if (!kept.size) return;
+ const small = S.scene.nodes.length <= MOTION_MAX;
+ for (const n of S.scene.nodes) {
+ const mk = morphKey(n);
+ if (kept.has('node:' + mk)) n.el.classList.add('kept-new');
+ if (small && n.el.classList.contains('bp')) for (const p of pinsOf(n)) if (kept.has(`pin:${mk}|${p.key}`)) p.el.classList.add('kept-new');
+ }
+ const keyOf = id => (S.byId.has(id) ? morphKey(S.byId.get(id)) : String(id));
+ for (const e of S.scene.edges) if (e.path && kept.has('wire:' + wireKey(e, keyOf))) e.path.classList.add('kept-new');
+ }
+
+ // ------------------------------------------------------------- motion
+
+ // motion is for those who want it
+ const calm = () => matchMedia('(prefers-reduced-motion: reduce)').matches;
+ // a scene past this many nodes changes in a cut - moving thousands of
+ // elements at once is a stall, not an animation
+ const MOTION_MAX = 600;
+ // and past this many coming and going, they simply appear
+ const MOTION_CROWD = 150;
+ const EASE = 'cubic-bezier(.2, .7, .2, 1)';
+ const MOVE_MS = 480;
+ const DEPTH = { system: 0, containers: 1, components: 2, code: 3, flow: 4 };
+ // words on a node that, changed, are pointed out
+ const WORDS = ['.head .t', '.head .q', '.body', '.chain', '.name', '.tech'];
+
+ // a node as the next scene knows it again
+ const morphKey = n => n.mkey || n.key || n.id;
+
+ // The same view drawn again - a step's other side, a function after an
+ // edit, the map after a save - rather than a move to another.
+ function sameView(a, b) {
+ if (!a || !b || a.level !== b.level) return false;
+ if (a.level === 'flow') return a.file === b.file && (a.name ? a.name === b.name : a.line === b.line);
+ return href(a) === href(b);
+ }
+
+ // a parameter is its name - `n: i32` is still `n` whatever its type becomes
+ const pinName = label => label.split(':')[0].trim();
+
+ // a node's pins as the eye reads them: the side, what each says, how far down
+ function pinsOf(n) {
+ const out = [];
+ const seen = new Map();
+ const top = n.el.getBoundingClientRect().top;
+ for (const p of n.el.querySelectorAll('.rows > .pin')) {
+ const label = p.querySelector('.lbl')?.textContent || '';
+ if (p.style.visibility === 'hidden' || (!label && !p.dataset.pin)) continue;
+ const side = p.classList.contains('in') ? 'in' : 'out';
+ const base = `${side}:${p.classList.contains('ret') ? 'ret' : pinName(label) || p.dataset.pin}`;
+ const k = seen.get(base) || 0;
+ seen.set(base, k + 1);
+ out.push({ key: `${base}#${k}`, label, side, el: p, top: (p.getBoundingClientRect().top - top) / S.zoom });
+ }
+ return out;
+ }
+
+ const wordsOf = el => new Map(WORDS.map(s => [s, el.querySelector(s)?.textContent ?? null]));
+
+ // a wire by the nodes it joins, as the next scene knows them again
+ function wireKey(e, keyOf) {
+ const pin = S.scene.layout === 'flow' ? e.fromPin || '' : '';
+ return `${keyOf(e.from)}:${pin}>${keyOf(e.to)}|${e.cls || ''}`;
+ }
+
+ // what the canvas shows now, for the scene that follows to move on from
+ function remember() {
+ if (!S.scene || !S.shownRoute || calm()) return null;
+ const size = S.scene.nodes.length;
+ const nodes = new Map();
+ const small = size <= MOTION_MAX;
+ for (const n of S.scene.nodes) {
+ nodes.set(morphKey(n), { n, x: n.x, y: n.y, pins: small && n.el.classList.contains('bp') ? pinsOf(n) : [], words: small ? wordsOf(n.el) : null });
+ }
+ const keyOf = id => (S.byId.has(id) ? morphKey(S.byId.get(id)) : String(id));
+ const wires = new Map();
+ if (small) for (const e of S.scene.edges) if (e.path) wires.set(wireKey(e, keyOf), { d: e.path.getAttribute('d'), from: keyOf(e.from), to: keyOf(e.to) });
+ return { route: S.shownRoute, size, nodes, wires, view: { zoom: S.zoom, panX: S.panX, panY: S.panY } };
+ }
+
+ // an animation that tidies up after itself, and is no promise of one
+ function animate(el, frames, opts, after) {
+ const a = el.animate(frames, opts);
+ if (after) a.finished.then(after, after);
+ return a;
+ }
+
+ // a class put on for the length of its animation, again if it was already
+ function flash(el, cls) {
+ el.classList.remove(cls);
+ void el.offsetWidth;
+ el.classList.add(cls);
+ el.addEventListener('animationend', () => el.classList.remove(cls), { once: true });
+ }
+
+ const cameraOf = v => `translate(${v.panX}px, ${v.panY}px) scale(${v.zoom})`;
+ const gridOf = v => ({ backgroundSize: `${20 * v.zoom}px ${20 * v.zoom}px`, backgroundPosition: `${v.panX}px ${v.panY}px` });
+
+ // the camera carried from where it was to where it is now
+ function carryCamera(from) {
+ const to = { zoom: S.zoom, panX: S.panX, panY: S.panY };
+ if (Math.abs(from.zoom - to.zoom) < 1e-3 && Math.abs(from.panX - to.panX) < 0.5 && Math.abs(from.panY - to.panY) < 0.5) return;
+ $('viewport').classList.remove('glide');
+ for (const a of $('surface').getAnimations()) a.cancel();
+ animate($('surface'), [{ transform: cameraOf(from) }, { transform: cameraOf(to) }], { duration: MOVE_MS, easing: EASE });
+ animate($('viewport'), [gridOf(from), gridOf(to)], { duration: MOVE_MS, easing: EASE });
+ }
+
+ // The same view drawn again: what stayed glides to where it sits now, what
+ // came grows in, what went fades where it was, and the pins and words of a
+ // node that changed say so - a parameter, a return type, a call.
+ function morph(was) {
+ carryCamera(was.view);
+ const now = S.scene.nodes;
+ if (now.length > MOTION_MAX || was.size > MOTION_MAX) return;
+ const kept = new Set(now.map(morphKey).filter(k => was.nodes.has(k)));
+ const crowd = now.length - kept.size + was.nodes.size - kept.size > MOTION_CROWD;
+ // pins stamped so far, so each lands after the one before
+ let stamped = 0;
+ for (const n of now) {
+ const old = was.nodes.get(morphKey(n));
+ if (!old) {
+ keepNew('node:' + morphKey(n));
+ if (!crowd) enter(n.el);
+ continue;
+ }
+ const dx = old.x - n.x;
+ const dy = old.y - n.y;
+ if (Math.abs(dx) > 0.5 || Math.abs(dy) > 0.5) animate(n.el, [{ transform: `translate(${dx}px, ${dy}px)` }, { transform: 'none' }], { duration: MOVE_MS, easing: EASE });
+ if (old.pins.length || n.el.classList.contains('bp')) stamped = morphPins(n, old.pins, stamped);
+ if (old.words) morphWords(n.el, old.words);
+ }
+ if (!crowd) for (const [k, old] of was.nodes) if (!kept.has(k)) leave(old.n.el);
+ morphWires(was.wires);
+ }
+
+ // a node that was not there before grows in, and glows a moment
+ function enter(el) {
+ animate(el, [{ opacity: 0, transform: 'scale(.86)' }, { opacity: 1, transform: 'none' }], { duration: 420, delay: 140, easing: EASE, fill: 'backwards' });
+ flash(el, 'arrived');
+ }
+
+ // a node gone from the scene fades out where it was
+ function leave(el) {
+ if (el.isConnected) return;
+ el.classList.add('leaving');
+ el.classList.remove('selected', 'hit', 'faded');
+ delete el.dataset.id;
+ $('nodes').append(el);
+ animate(el, [{ opacity: 1, transform: 'none' }, { opacity: 0, transform: 'scale(.86)' }], { duration: 520, easing: EASE, fill: 'forwards' }, () => el.remove());
+ }
+
+ // when the first pin is stamped - once the nodes have settled - the gap
+ // to the next, how many land one by one before the rest land together,
+ // and how long a stamp's ink takes to dry
+ const STAMP_AT = 340;
+ const STAMP_GAP = 170;
+ const STAMP_RUN = 10;
+ const STAMP_MS = 1700;
+
+ // A node's pins against what they were. One that came, or whose words
+ // changed, is stamped onto the node, one after another; one that went
+ // slides off the node struck through. `stamped` is how many landed before
+ // this node's, and the count is handed on.
+ function morphPins(n, before, stamped) {
+ const was = new Map(before.map(p => [p.key, p]));
+ const now = new Set();
+ for (const p of pinsOf(n)) {
+ now.add(p.key);
+ const old = was.get(p.key);
+ if (old && old.label === p.label) continue;
+ if (!old) keepNew(`pin:${morphKey(n)}|${p.key}`);
+ stamp(p.el, STAMP_AT + Math.min(stamped++, STAMP_RUN) * STAMP_GAP, old ? old.label : null);
+ }
+ for (const p of before) if (!now.has(p.key)) pinLeave(n, p);
+ return stamped;
+ }
+
+ // A pin pressed onto its node `at` ms from now: it lands from above, presses
+ // in and leaves a ring of ink - green for one that came, amber for one
+ // whose words changed. Those old words stay put until the stamp comes
+ // down, and lift off as it lands.
+ function stamp(pin, at, old) {
+ pin.style.setProperty('--stamp-at', at + 'ms');
+ pin.classList.toggle('changed', old != null);
+ pin.classList.add('stamp');
+ setTimeout(() => pin.classList.remove('stamp', 'changed'), at + STAMP_MS);
+ const lbl = old != null && pin.querySelector('.lbl');
+ if (!lbl) return;
+ const ghost = h('span', 'lbl-was', old);
+ ghost.style.left = lbl.offsetLeft + 'px';
+ ghost.style.top = lbl.offsetTop + 'px';
+ pin.append(ghost);
+ animate(ghost, [{ opacity: 1, transform: 'none' }, { opacity: 0, transform: 'translateY(7px) scale(.9)' }], { duration: 260, delay: Math.max(0, at - 120), easing: 'ease-in', fill: 'both' }, () => ghost.remove());
+ }
+
+ function pinLeave(n, p) {
+ const g = p.el;
+ if (g.isConnected) return;
+ g.classList.add('pin-out');
+ g.removeAttribute('data-pin');
+ g.style.top = Math.max(0, Math.min(p.top, n.el.offsetHeight - 22)) + 'px';
+ g.style[p.side === 'in' ? 'left' : 'right'] = '0';
+ n.el.append(g);
+ const off = p.side === 'in' ? -28 : 28;
+ animate(g, [{ opacity: 1, transform: 'none' }, { opacity: 1, transform: 'none', offset: 0.35 }, { opacity: 0, transform: `translateX(${off}px)` }], { duration: 900, easing: EASE, fill: 'forwards' }, () => g.remove());
+ }
+
+ function morphWords(el, before) {
+ for (const [sel, old] of before) {
+ const x = el.querySelector(sel);
+ if (x && old != null && x.textContent !== old) flash(x, 'txt-change');
+ }
+ }
+
+ // The wires settle in once the nodes have, the old fading as they go. A
+ // wire that came draws itself in, with both its ends kept in sight; one
+ // that went fades red, and a node it leaves that nothing on show still
+ // reaches fades back after it.
+ function morphWires(before) {
+ const keyOf = id => (S.byId.has(id) ? morphKey(S.byId.get(id)) : String(id));
+ const now = new Map();
+ for (const e of S.scene.edges) if (e.path) now.set(wireKey(e, keyOf), e);
+ const svg = $('wires');
+ const old = document.createElementNS('http://www.w3.org/2000/svg', 'g');
+ old.setAttribute('class', 'ghost-wires');
+ const byKey = new Map(S.scene.nodes.map(n => [morphKey(n), n]));
+ for (const [k, w] of before) {
+ const p = document.createElementNS('http://www.w3.org/2000/svg', 'path');
+ p.setAttribute('d', w.d);
+ p.setAttribute('class', 'wire' + (now.has(k) ? '' : ' gone'));
+ old.append(p);
+ if (now.has(k)) continue;
+ for (const end of [w.from, w.to]) {
+ const n = byKey.get(end);
+ if (n && n.el.classList.contains('faded')) animate(n.el, [{ opacity: 1 }, { opacity: 1, offset: 0.4 }, { opacity: 0.2 }], { duration: 900, easing: 'ease-out' });
+ }
+ }
+ svg.insertBefore(old, $('wire-layer'));
+ animate(old, [{ opacity: 1 }, { opacity: 0 }], { duration: 360, easing: 'ease-out', fill: 'forwards' }, () => old.remove());
+ animate($('wire-layer'), [{ opacity: 0 }, { opacity: 0, offset: 0.55 }, { opacity: 1 }], { duration: MOVE_MS + 260 });
+ const fresh = [...now].filter(([k]) => !before.has(k));
+ for (const [k, e] of fresh) {
+ keepNew('wire:' + k);
+ // both ends of a new connection stay in sight, however the step is seen
+ e.path.classList.remove('faded');
+ for (const id of [e.from, e.to]) {
+ const n = S.byId.get(id);
+ if (!n) continue;
+ S.alsoLit.add(id);
+ n.el.classList.remove('faded');
+ }
+ }
+ if (!before.size || fresh.length > MOTION_CROWD) return;
+ for (const [, e] of fresh) {
+ const len = e.path.getTotalLength();
+ animate(e.path, [{ strokeDasharray: `${len}`, strokeDashoffset: `${len}` }, { strokeDasharray: `${len}`, strokeDashoffset: '0' }], { duration: 520, delay: MOVE_MS, easing: EASE, fill: 'backwards' });
+ flash(e.path, 'wire-new');
+ }
+ }
+
+ // the view on show lifted off the canvas as one picture - one move at a
+ // time, so a move made before the last one finished cuts it short
+ function lift(was) {
+ for (const g of document.querySelectorAll('.ghost')) g.remove();
+ for (const a of $('surface').getAnimations()) a.cancel();
+ if (was.size > MOTION_MAX) return null;
+ const ghost = h('div', 'ghost');
+ ghost.style.transform = $('surface').style.transform;
+ for (const id of ['frames', 'wires', 'labels', 'nodes', 'groups', 'group-wires']) {
+ const c = $(id).cloneNode(true);
+ c.removeAttribute('id');
+ for (const x of c.querySelectorAll('[id]')) x.removeAttribute('id');
+ ghost.append(c);
+ }
+ // folded as it was - the rules that fold its groups go with the next scene
+ for (const i of S.collapsed || []) {
+ for (const x of ghost.querySelectorAll(`.cg-${i}, .gframe-${i}`)) x.remove();
+ for (const x of ghost.querySelectorAll(`.gcard-${i}`)) x.style.display = 'flex';
+ }
+ $('viewport').append(ghost);
+ return ghost;
+ }
+
+ // From one view to another. Going in, the old view swells through what was
+ // opened as the new one grows out of it; coming back up, the old view
+ // shrinks into where it sits in the new. Elsewhere, one fades into the other.
+ function travel(was, ghost, via) {
+ const vp = $('viewport').getBoundingClientRect();
+ const surface = $('surface');
+ const final = surface.style.transform;
+ const from = ghost.style.transform;
+ const done = () => ghost.remove();
+ const deeper = (DEPTH[S.route.level] ?? 0) > (DEPTH[was.route.level] ?? 0);
+ let at = deeper ? via : null;
+ if (!deeper && (DEPTH[S.route.level] ?? 0) < (DEPTH[was.route.level] ?? 0)) {
+ // the node in this view that opens the one left
+ const back = S.scene.nodes.find(n => n.drill && sameView(n.drill, was.route));
+ if (back) at = { left: vp.left + S.panX + back.x * S.zoom, top: vp.top + S.panY + back.y * S.zoom, width: back.w * S.zoom, height: back.h * S.zoom };
+ }
+ $('viewport').classList.remove('glide');
+ if (!at || !at.width || !at.height) {
+ animate(ghost, [{ opacity: 1 }, { opacity: 0 }], { duration: 260, easing: 'ease-out', fill: 'forwards' }, done);
+ animate(surface, [{ opacity: 0, transform: `translateY(8px) ${final}` }, { opacity: 1, transform: final }], { duration: 360, delay: 80, easing: EASE, fill: 'backwards' });
+ return;
+ }
+ const cx = at.left + at.width / 2 - vp.left;
+ const cy = at.top + at.height / 2 - vp.top;
+ // how small the whole view is, held within the node
+ const k = clamp(Math.max(at.width / vp.width, at.height / vp.height), 0.12, 0.9);
+ const about = (s, t) => `translate(${cx}px, ${cy}px) scale(${s}) translate(${-cx}px, ${-cy}px) ${t}`;
+ const big = Math.min(1 / k, 4);
+ if (deeper) {
+ animate(ghost, [{ opacity: 1, transform: from }, { opacity: 0, transform: about(big, from) }], { duration: MOVE_MS, easing: EASE, fill: 'forwards' }, done);
+ animate(surface, [{ opacity: 0, transform: about(k, final) }, { opacity: 1, transform: final }], { duration: MOVE_MS, easing: EASE });
+ } else {
+ animate(ghost, [{ opacity: 1, transform: from }, { opacity: 0, transform: about(k, from) }], { duration: MOVE_MS, easing: EASE, fill: 'forwards' }, done);
+ animate(surface, [{ opacity: 0, transform: about(Math.min(big, 1.6), final) }, { opacity: 1, transform: final }], { duration: MOVE_MS, easing: EASE });
+ }
}
// a step's scene past this many nodes keeps only what it touched and what
@@ -1235,14 +2051,27 @@
function drawFrames() {
const host = $('frames');
host.textContent = '';
+ // each group's outline holds the outlines of the groups in it
+ for (const t of S.scene.tops || []) clusterBox(t);
for (const f of S.scene.frames || []) {
const members = f.members.map(id => S.byId.get(id)).filter(Boolean);
if (!members.length) continue;
- const x0 = Math.min(...members.map(n => n.x)) - 28;
- const y0 = Math.min(...members.map(n => n.y)) - 28;
- const x1 = Math.max(...members.map(n => n.x + n.w)) + 28;
- const y1 = Math.max(...members.map(n => n.y + n.h)) + 56;
+ let x0 = Math.min(...members.map(n => n.x)) - 28;
+ let y0 = Math.min(...members.map(n => n.y)) - 28;
+ let x1 = Math.max(...members.map(n => n.x + n.w)) + 28;
+ let y1 = Math.max(...members.map(n => n.y + n.h)) + 56;
+ const g = f.group && f.group.box;
+ if (g) [x0, y0, x1, y1] = [g.x, g.y, g.x + g.w, g.y + g.h];
+ else {
+ // and an outline round groups holds them whole
+ const mine = new Set(f.members);
+ for (const t of S.scene.tops || []) {
+ if (!t.box || !t.members.some(id => mine.has(id))) continue;
+ [x0, y0, x1, y1] = [Math.min(x0, t.box.x - 28), Math.min(y0, t.box.y - 28), Math.max(x1, t.box.x + t.box.w + 28), Math.max(y1, t.box.y + t.box.h + 56)];
+ }
+ }
const box = h('div', 'frame' + (f.cls ? ' ' + f.cls : ''));
+ if (f.group) box.classList.add('gframe-' + f.group.i, ...chainOf(f.group).slice(0, -1).map(x => 'cg-' + x.i));
Object.assign(box.style, { left: x0 + 'px', top: y0 + 'px', width: x1 - x0 + 'px', height: y1 - y0 + 'px' });
const title = h('div', 'title', f.title);
if (f.sub) title.append(h('small', null, `[${f.sub}]`));
@@ -1287,8 +2116,25 @@
return curve(p1, p2);
}
+ // the reach of each bend of a wire that runs along a floor, and the least run worth drawing between them
+ const BEND = 64;
+ const FLOOR_RUN = 48;
+
+ // Down to a floor below what lies between, along it, and up into the
+ // target. Too close for a run along the floor, the two bends would fold
+ // back over each other - so they meet level at the lowest point instead,
+ // one smooth dip.
function below(p1, p2, yb) {
- return `M${p1.x} ${p1.y} C${p1.x + 34} ${p1.y} ${p1.x + 34} ${yb} ${p1.x + 64} ${yb} L${p2.x - 64} ${yb} C${p2.x - 34} ${yb} ${p2.x - 34} ${p2.y} ${p2.x} ${p2.y}`;
+ const span = p2.x - p1.x;
+ if (span >= 2 * BEND + FLOOR_RUN) {
+ return `M${p1.x} ${p1.y} C${p1.x + 34} ${p1.y} ${p1.x + 34} ${yb} ${p1.x + BEND} ${yb} L${p2.x - BEND} ${yb} C${p2.x - 34} ${yb} ${p2.x - 34} ${p2.y} ${p2.x} ${p2.y}`;
+ }
+ const mx = (p1.x + p2.x) / 2;
+ // which way the dip runs along its floor, and how level it lies there
+ const dir = span < 0 ? -1 : 1;
+ const level = Math.max(12, Math.abs(span) / 4);
+ const lead = clamp(Math.abs(span) / 2, 24, 40);
+ return `M${p1.x} ${p1.y} C${p1.x + lead} ${p1.y} ${mx - dir * level} ${yb} ${mx} ${yb} C${mx + dir * level} ${yb} ${p2.x - lead} ${p2.y} ${p2.x} ${p2.y}`;
}
function backTo(p1, n, yb) {
@@ -1335,6 +2181,10 @@
wires.append(path, hit);
e.path = path;
e.hit = hit;
+ // a wire at a grouped node goes while a group of its stands in for it
+ e.groups = [...new Set([...groupClasses(S.scene, e.from), ...groupClasses(S.scene, e.to)])];
+ path.classList.add(...e.groups);
+ hit.classList.add(...e.groups);
if (c4 && e.label && e.mid) {
const lab = h('div', 'elabel' + (e.cls === 'declared' ? ' declared' : ''), e.label);
lab.style.left = e.mid.x + 'px';
@@ -1345,6 +2195,7 @@
ev.stopPropagation();
selectEdge(e);
});
+ lab.classList.add(...e.groups);
labels.append(lab);
e.labelEl = lab;
}
@@ -1365,40 +2216,99 @@
e.labelEl.style.top = e.mid.y + 'px';
}
}
+ // the lit copies follow the wires they copy
+ if (S.lit && S.lit.edges.some(e => e.from === id || e.to === id)) highlight(S.lit.id);
+ }
+
+ // the wires at each node of the scene, gathered the first time they are asked for
+ function touching(id) {
+ const sc = S.scene;
+ if (!sc.touching) {
+ sc.touching = new Map();
+ for (const e of sc.edges) {
+ for (const end of new Set([e.from, e.to])) {
+ if (!sc.touching.has(end)) sc.touching.set(end, []);
+ sc.touching.get(end).push(e);
+ }
+ }
+ }
+ return (sc.touching.get(id) || []).filter(e => e.path);
}
+ // A node's wires lit and the rest dimmed. The scene's wires are one drawing,
+ // dimmed whole and never redrawn; the lit ones are copies on a layer of
+ // their own - so a pointer moving over thousands of wires redraws a handful.
function highlight(id) {
if (!S.scene) return;
const c4 = S.scene.kind === 'c4';
+ const quiet = S.scene.quietLabels;
+ const was = S.lit || { edges: [], nodes: [] };
+ for (const e of was.edges) {
+ if (!e.labelEl) continue;
+ e.labelEl.classList.remove('hot');
+ if (quiet) e.labelEl.style.display = 'none';
+ }
+ for (const n of was.nodes) n.el.classList.remove('hit');
+ const edges = id == null ? [] : touching(id);
+ const lit = $('lit-wires');
+ lit.textContent = '';
const near = new Set();
- for (const e of S.scene.edges) {
- if (!e.path) continue;
- const hot = id != null && (e.from === id || e.to === id);
- e.path.classList.toggle('hot', hot);
- e.path.classList.toggle('dim', id != null && !hot);
- if (c4) e.path.setAttribute('marker-end', hot ? 'url(#arrow-hot)' : 'url(#arrow)');
+ for (const e of edges) {
+ const copy = e.path.cloneNode(false);
+ copy.classList.add('hot');
+ if (c4) copy.setAttribute('marker-end', 'url(#arrow-hot)');
+ lit.append(copy);
if (e.labelEl) {
- e.labelEl.classList.toggle('dim', id != null && !hot);
- if (S.scene.quietLabels) e.labelEl.style.display = hot ? '' : 'none';
- }
- if (hot) {
- near.add(e.from);
- near.add(e.to);
+ e.labelEl.classList.add('hot');
+ if (quiet) e.labelEl.style.display = '';
}
+ near.add(e.from);
+ near.add(e.to);
}
- for (const n of S.scene.nodes) n.el.classList.toggle('hit', id != null && n.id !== id && near.has(n.id));
+ near.delete(id);
+ const nodes = [...near].map(n => S.byId.get(n)).filter(Boolean);
+ for (const n of nodes) n.el.classList.add('hit');
+ S.lit = { id, edges, nodes };
+ $('wires').classList.toggle('dimming', id != null);
+ $('labels').classList.toggle('dimming', id != null);
+ }
+
+ // Hover lights a node's wires a moment after the pointer reaches it, and
+ // lets them go a little later, so a pointer crossing the gaps between nodes
+ // never flashes the whole scene.
+ let hoverTimer = 0;
+ function hoverSoon() {
+ clearTimeout(hoverTimer);
+ hoverTimer = setTimeout(() => S.selected == null && highlight(S.hover), S.hover == null ? 150 : 30);
}
// ------------------------------------------------------------- view
+ // The camera: the surface moved and scaled as one layer, and the grid with
+ // it - set on those two alone, never as a property the thousands of nodes
+ // below would inherit and each be styled again for.
function applyView() {
const vp = $('viewport');
- vp.style.setProperty('--zoom', S.zoom);
- vp.style.setProperty('--pan-x', S.panX);
- vp.style.setProperty('--pan-y', S.panY);
+ $('surface').style.transform = `translate(${S.panX}px, ${S.panY}px) scale(${S.zoom})`;
+ vp.style.backgroundSize = `${20 * S.zoom}px ${20 * S.zoom}px`;
+ vp.style.backgroundPosition = `${S.panX}px ${S.panY}px`;
// at 30% and below the grid goes - see `.viewport.far`
vp.classList.toggle('far', S.zoom <= 0.3);
- $('zoom-level').textContent = Math.round(S.zoom * 100) + '%';
+ // far out, a whole percent would read 0
+ const pct = S.zoom * 100;
+ $('zoom-level').textContent = (pct >= 10 ? Math.round(pct) : pct >= 1 ? pct.toFixed(1) : pct.toPrecision(2)) + '%';
+ // a big scene zoomed out reads as its groups, and zoomed back in as its nodes
+ regroup();
+ }
+
+ // the camera once a frame, however many pointer or wheel events the frame brings
+ let viewFrame = 0;
+ function viewSoon() {
+ if (viewFrame) return;
+ viewFrame = requestAnimationFrame(() => {
+ viewFrame = 0;
+ applyView();
+ });
}
function bounds() {
@@ -1421,12 +2331,19 @@
// and is often far wider than the screen: past the point where its text
// stops being legible it opens on the entry node instead. `whole` forces
// the full view.
+ // as far out as the camera goes: as far as wanted - the floor only keeps
+ // the zoom from reaching nothing
+ const MIN_ZOOM = 1e-6;
+ const minZoom = () => MIN_ZOOM;
+
function fit(whole) {
+ // fitted whole, a big scene reads as its top groups again
+ if (S.opened) S.opened.clear();
const vp = $('viewport');
const b = bounds();
const vw = vp.clientWidth;
const vh = vp.clientHeight;
- const z = clamp(Math.min((vw - 96) / b.w, (vh - 150) / b.h), 0.08, 1.15);
+ const z = clamp(Math.min((vw - 96) / b.w, (vh - 150) / b.h), minZoom(), 1.15);
const entry = S.scene && S.scene.entry;
if (whole !== true && entry && z < 0.55) {
S.zoom = clamp((vh - 150) / b.h, 0.55, 1);
@@ -1441,11 +2358,11 @@
}
function zoomAt(mx, my, factor) {
- const z = clamp(S.zoom * factor, 0.08, 3);
+ const z = clamp(S.zoom * factor, minZoom(), 3);
S.panX = mx - ((mx - S.panX) * z) / S.zoom;
S.panY = my - ((my - S.panY) * z) / S.zoom;
S.zoom = z;
- applyView();
+ viewSoon();
}
function zoomBy(factor) {
@@ -1460,6 +2377,8 @@
S.selected = id;
highlight(id);
if (id == null) return hidePanel();
+ // a node a folded group stands in for is gone to, near enough to see it
+ if (hiddenByGroup(id)) flyTo([S.byId.get(id)]);
showPanelFor(S.byId.get(id));
clearOfPanel(S.byId.get(id));
}
@@ -1485,7 +2404,10 @@
}
function drill(n) {
- if (n && n.drill) go(n.drill);
+ if (!n || !n.drill) return;
+ // where the view opened from, for it to grow out of
+ S.via = n.el.getBoundingClientRect();
+ go(n.drill);
}
function hidePanel() {
@@ -1836,7 +2758,7 @@
const id = nodeEl ? nodeEl.dataset.id : null;
if (id !== S.hover) {
S.hover = id;
- highlight(id);
+ hoverSoon();
}
}
return;
@@ -1854,7 +2776,7 @@
if (drag.mode === 'pan') {
S.panX = drag.px + dx;
S.panY = drag.py + dy;
- applyView();
+ viewSoon();
return;
}
const n = drag.n;
@@ -1910,7 +2832,7 @@
} else {
S.panX -= e.deltaX;
S.panY -= e.deltaY;
- applyView();
+ viewSoon();
}
},
{ passive: false }
@@ -1984,7 +2906,7 @@
else if (e.key === 'Enter' && S.selected) drill(S.byId.get(S.selected));
else if (e.key === ',' || e.key === '<') stepBy(-1);
else if (e.key === '.' || e.key === '>') stepBy(1);
- else if (e.key === 'l' || e.key === 'L') followLive();
+ else if (e.key === 'l' || e.key === 'L') toggleFollow();
else if (e.key === '[') groupBy(-1);
else if (e.key === ']') groupBy(1);
});
@@ -2032,10 +2954,10 @@
pumping: false,
// the step shown last while following, and when
shown: null,
+ // the step controls opened by hand while following
+ unfolded: false,
// each step on show is seen alone: what it touched in full, the rest faded
focus: store.get('focus', true),
- // the agent session on show - one at a time, and undefined for the latest
- session: undefined,
};
const MAX_TIMELINE = 200;
const STATUS = {
@@ -2044,7 +2966,7 @@
reverted: 'reverted - put back',
discarded: 'discarded - dropped unwritten',
edited: 'edited by hand - saved outside ccc’s edit tools',
- read: 'read - an agent looked at it through ccc’s tools',
+ inspect: 'inspect - an agent read it, through ccc’s read tools or its own',
};
const sameFn = (t, f) => t.file === f.file && t.name === f.name && (t.owner || null) === (f.owner || null);
@@ -2096,6 +3018,8 @@
A.of = new Map();
A.groups.forEach((g, i) => g.steps.forEach(seq => A.of.set(seq, i)));
drawTimeline();
+ // which steps make up the collection on show may have just been learned
+ showKept();
if (S.asksPanel) panelAsks();
}
@@ -2109,7 +3033,7 @@
function summary(ev) {
const fn = ev.focus && ev.focus.level === 'flow' ? ev.focus.name : null;
const files = ev.files.length === 1 ? base(ev.files[0].path) : plural(ev.files_total, 'file');
- if (ev.status === 'read') return `looked at ${fn || files}`;
+ if (ev.status === 'inspect') return `inspected ${fn || files}`;
const added = ev.files.reduce((n, f) => n + f.added, 0);
const removed = ev.files.reduce((n, f) => n + f.removed, 0);
// one part of a step: the definition it is about, and which part of how many
@@ -2151,10 +3075,11 @@
const fn = S.scene.entry && S.scene.entry.data.function;
const t = fn && ev.functions.find(x => sameFn(x, fn));
if (!t || layoutOnly(t)) return null;
- if (n.kind === 'entry') return t.change === 'modified' ? null : t.change;
const lines = t['lines_' + side] || [];
+ // the entry stands for the signature: marked when a change reaches its first line
+ if (n.kind === 'entry') return t.change !== 'modified' ? t.change : t[side] && within(t[side].start, lines) ? 'modified' : null;
const hit = n.kind === 'calls' ? d.calls.some(c => within(c.line, lines)) : within(d.line, lines);
- return hit ? (t.change === 'added' || t.change === 'read' ? t.change : 'modified') : null;
+ return hit ? (t.change === 'added' || t.change === 'inspect' ? t.change : 'modified') : null;
}
case 'code': {
if (n.kind !== 'function' && n.kind !== 'proxy') return null;
@@ -2174,8 +3099,8 @@
}
}
- // how a level above the code took part: looked at, or changed
- const touched = ev => (ev.status === 'read' ? 'read' : 'modified');
+ // how a level above the code took part: inspected, or changed
+ const touched = ev => (ev.status === 'inspect' ? 'inspect' : 'modified');
// A change with no step of its own - lines removed, a statement that calls
// nothing - is marked on the step it lands after, or on the entry.
@@ -2206,7 +3131,7 @@
hit.push(n);
};
for (const n of S.scene.nodes) {
- n.el.classList.remove('chg', 'chg-added', 'chg-modified', 'chg-removed', 'chg-pending', 'chg-read');
+ n.el.classList.remove('chg', 'chg-added', 'chg-modified', 'chg-removed', 'chg-pending', 'chg-inspect');
const how = m ? changeOf(n, m.ev, m.side) : null;
if (how) mark(n, how);
}
@@ -2215,6 +3140,7 @@
if (near) mark(near, 'modified');
}
fade(hit);
+ markGroups();
return hit;
}
@@ -2223,7 +3149,8 @@
// into the canvas.
function fade(hit) {
const on = !!(S.scene && S.focusing && hit.length);
- const keep = new Set(hit.map(n => n.id));
+ // what the step touched, and what a connection it made reaches
+ const keep = new Set([...hit.map(n => n.id), ...(S.alsoLit || [])]);
for (const n of S.scene ? S.scene.nodes : []) n.el.classList.toggle('faded', on && !keep.has(n.id));
for (const e of S.scene ? S.scene.edges : []) {
const lit = keep.has(e.from) || keep.has(e.to);
@@ -2242,7 +3169,8 @@
}
// glide the camera onto the marked nodes, near enough to read them
- function flyTo(nodes) {
+ // `now` - straight there, as the motion of a new scene carries the camera
+ function flyTo(nodes, now) {
const vp = $('viewport');
const bar = $('timeline');
const x0 = Math.min(...nodes.map(n => n.x));
@@ -2251,11 +3179,12 @@
const y1 = Math.max(...nodes.map(n => n.y + n.h));
const vw = vp.clientWidth - ($('panel').hidden ? 0 : 352);
const vh = vp.clientHeight - (bar.hidden ? 0 : bar.offsetHeight + 12);
- const floor = S.route && S.route.level === 'flow' ? 0.6 : 0.3;
+ // near enough a grouped scene that its nodes are back
+ const floor = S.route && S.route.level === 'flow' ? 0.6 : S.scene && S.scene.groups ? GROUP_SHOW + 0.05 : 0.3;
S.zoom = clamp(Math.min((vw - 120) / Math.max(1, x1 - x0), (vh - 120) / Math.max(1, y1 - y0)), floor, 1.1);
S.panX = vw / 2 - ((x0 + x1) / 2) * S.zoom;
S.panY = vh / 2 - ((y0 + y1) / 2) * S.zoom;
- glide();
+ if (!now) glide();
applyView();
}
@@ -2267,6 +3196,9 @@
glideTimer = setTimeout(() => vp.classList.remove('glide'), 700);
}
+ // how long a write is shown as it was before it becomes what it is
+ const BEFORE_MS = 650;
+
// a step just landed: show it where it happened, as the map holds it now
async function arrive(ev) {
const i = T.steps.indexOf(ev);
@@ -2291,8 +3223,18 @@
}
// a step not written yet: draw the map as it would leave it, to look over
if (ev.status === 'staged' && ev.snapshot && ev.focus) return replay(T.at, 'after', true);
- // a look moved nothing, so the overview on show still holds
- if (ev.status !== 'staged' && ev.status !== 'read') S.overview = null;
+ // A write to one function or file seen from elsewhere: shown first as it
+ // was, a moment, then becoming what it is - its pins, calls and words
+ // moving to their new places.
+ const near = ev.focus && (ev.focus.level === 'flow' || ev.focus.level === 'code');
+ const was = focusRoute(ev, 'before');
+ if (near && was && ev.snapshot && ['applied', 'reverted', 'edited'].includes(ev.status) && !calm() && !sameView(S.shownRoute, was)) {
+ await replay(T.at, 'before', true);
+ await sleep(BEFORE_MS / T.speed);
+ if (T.steps[T.at] !== ev || !T.follow) return;
+ }
+ // an inspect moved nothing, so the overview on show still holds
+ if (ev.status !== 'staged' && ev.status !== 'inspect') S.overview = null;
try {
await ensureOverview();
} catch {
@@ -2300,20 +3242,53 @@
}
S.marks = { ev, side: ev.on_disk };
S.fly = true;
- const route = focusRoute(ev, ev.on_disk);
+ // A step in a file the map does not hold - a stylesheet, a README - is seen
+ // where the latest step before it that the map holds happened, never
+ // wherever the view was left: following goes on from the latest point.
+ if (!focusRoute(ev, ev.on_disk)) S.offMapStep = ev;
+ const route = focusRoute(ev, ev.on_disk) || placeBefore(T.at);
if (route) go(route);
else render(true);
}
+ // A step in files the map does not draw - a stylesheet, a README - shown
+ // by what it changed, in the panel, once the view it is seen from is up;
+ // never over the list of asks.
+ function showOffMap() {
+ const ev = S.offMapStep;
+ S.offMapStep = null;
+ if (ev && !S.asksPanel) panelEvent(ev);
+ }
+
+ // where on the map the latest step before `i` happened, if any did
+ function placeBefore(i) {
+ for (let j = Math.min(i, T.steps.length) - 1; j >= 0; j--) {
+ const r = focusRoute(T.steps[j], T.steps[j].on_disk);
+ if (r) return r;
+ }
+ return null;
+ }
+
+ // The follow switch: on, each live change is shown as it lands; off, the
+ // step on show stays.
+ function toggleFollow() {
+ if (!(T.follow && (!T.replay || T.replay.live))) return followLive();
+ stopPlay();
+ T.follow = false;
+ T.queue = [];
+ drawTimeline();
+ }
+
// the live map again, the newest step shown as if it had just landed, and
// each step after it followed
function followLive() {
stopPlay();
T.follow = true;
- // live is now, whatever was still waiting its turn, in the latest session
+ // the step controls fold away again
+ T.unfolded = false;
+ // live is now, whatever was still waiting its turn, in the latest ask
T.queue = [];
T.shown = null;
- T.session = undefined;
endReplay();
const last = T.steps[T.steps.length - 1];
if (!last || last.status === 'discarded') {
@@ -2351,8 +3326,6 @@
T.queue.shift();
if (!T.steps.includes(ev)) continue;
T.shown = { ev, at: Date.now() };
- // following is the latest session
- T.session = undefined;
await arrive(ev);
}
} finally {
@@ -2412,9 +3385,14 @@
} catch {
return;
}
- const route = focusRoute(ev, ev.on_disk);
+ // a step the map has no place for shows what it changed in the panel
+ if (!focusRoute(ev, ev.on_disk)) S.offMapStep = ev;
+ const route = focusRoute(ev, ev.on_disk) || placeBefore(i);
if (route) go(route);
- else drawTimeline();
+ else {
+ drawTimeline();
+ showOffMap();
+ }
return;
}
const snap = full[side];
@@ -2463,7 +3441,7 @@
drawTimeline();
}
- // the step before or after the one on show, within the session on show
+ // the step before or after the one on show, within the ask on show
function stepBy(d) {
const shown = shownSteps();
if (!shown.length) return;
@@ -2501,39 +3479,45 @@
drawTimeline();
}
- // Runs of asks by the agent session they came from. Changes made by hand,
- // and steps no transcript explains, go with the session they fall in.
- function sessionSpans() {
- const spans = [];
- for (const [gi, g] of A.groups.entries()) {
- const s = g.ask ? g.ask.session : null;
- let cur = spans[spans.length - 1];
- if (!cur || (s && cur.session && cur.session !== s)) spans.push((cur = { session: s, groups: new Set() }));
- else if (s && !cur.session) cur.session = s;
- cur.groups.add(gi);
- }
- return spans;
+ // The collection a group of steps belongs to: every step of one ask,
+ // wherever they fall, or one run of changes made by hand, or of steps no
+ // transcript explains. The timeline holds one collection at a time.
+ const collectionOf = gi => (A.groups[gi]?.ask ? 'ask:' + A.groups[gi].ask.id : 'run:' + gi);
+
+ // the collection of the step on show - undefined while its ask is not known yet
+ const collectionAt = () => {
+ const gi = T.at != null ? A.of.get(T.steps[T.at]?.seq) : undefined;
+ return gi === undefined ? undefined : collectionOf(gi);
+ };
+
+ // The collections on the timeline in the order they began, each with the
+ // numbers of its steps.
+ function collections() {
+ const out = new Map();
+ A.groups.forEach((g, gi) => {
+ const key = collectionOf(gi);
+ if (!out.has(key)) out.set(key, { key, group: g, steps: [] });
+ out.get(key).steps.push(...g.steps);
+ });
+ return [...out.values()];
}
- // The steps of the session on show, as indices into `steps` - the latest
- // unless one was picked. A step no ask is known for yet is the newest, so
- // it goes with the latest.
+ // The steps of the collection on show, as indices into `steps`: that of the
+ // step on show, else the latest - so following, each new ask starts the
+ // timeline afresh. A step no ask is known for yet is the newest, so it goes
+ // with the latest.
function shownSteps() {
- const spans = sessionSpans();
- if (spans.length < 2) return T.steps.map((_, i) => i);
- const latest = spans[spans.length - 1];
- const want = (T.session !== undefined && spans.find(s => s.session === T.session)) || latest;
+ if (!A.groups.length) return T.steps.map((_, i) => i);
+ const latest = collectionOf(A.groups.length - 1);
+ const want = collectionAt() || latest;
const out = [];
T.steps.forEach((ev, i) => {
const gi = A.of.get(ev.seq);
- if (gi === undefined ? want === latest : want.groups.has(gi)) out.push(i);
+ if (gi === undefined ? want === latest : collectionOf(gi) === want) out.push(i);
});
return out;
}
- // the session a group of steps belongs to
- const sessionOf = gi => (sessionSpans().find(s => s.groups.has(gi)) || {}).session;
-
function drawTimeline() {
const bar = $('timeline');
const n = T.steps.length;
@@ -2544,16 +3528,11 @@
document.body.classList.toggle('with-tl-switches', !n);
const ticks = $('tl-ticks');
ticks.textContent = '';
- let run;
- // one session at a time - a long history drawn whole is what lags
+ // one collection at a time - scrubbing stays inside it, and a long history drawn whole is what lags
const shown = shownSteps();
- shown.forEach((i, k) => {
+ shown.forEach(i => {
const ev = T.steps[i];
- const gi = A.of.get(ev.seq);
- // each ask's steps sit together, set off from the next
- if (k > 0 && gi !== run) ticks.append(h('b', 'tl-sep'));
- run = gi;
- const g = A.groups[gi];
+ const g = A.groups[A.of.get(ev.seq)];
const t = h('i', `tick ${ev.status}${byHand(ev) ? ' human' : ''}${layoutOnly(ev) ? ' ws' : ''}${i === T.at ? ' at' : ''}`);
t.title = `${g ? groupText(g) + '\n' : ''}#${ev.seq} ${ev.status} · ${ev.tool} · ${summary(ev)}${why(ev) ? ' · ' + why(ev) : ''}`;
t.dataset.i = i;
@@ -2570,11 +3549,15 @@
const g = groupOf(ev);
const chip = $('tl-ask');
chip.hidden = !A.groups.length;
- chip.replaceChildren(...(g ? [groupIcon(g)] : []), h('span', 'ask-label', g ? groupText(g) : 'Asks'));
- chip.title = `${g ? groupText(g) + '\n\n' : ''}Every ask and what it changed - [ and ] step between them`;
- const cur = ev ? A.of.get(ev.seq) : undefined;
- for (const row of document.querySelectorAll('#panel .ask-row')) row.classList.toggle('at', +row.dataset.g === cur);
const k = shown.indexOf(T.at);
+ chip.replaceChildren(
+ ...(g ? [groupIcon(g)] : []),
+ h('span', 'ask-label', g ? groupText(g) : 'Asks'),
+ ...(g && k >= 0 ? [h('span', 'ask-n', `${k + 1} / ${shown.length}`)] : [])
+ );
+ chip.title = `${g ? groupText(g) + '\n\n' : ''}Every ask and what it changed - [ and ] step between them`;
+ const cur = collectionAt();
+ for (const row of document.querySelectorAll('#panel .ask-row')) row.classList.toggle('at', row.dataset.c === cur);
$('tl-prev').disabled = !shown.length || k === 0;
$('tl-next').disabled = !shown.length || T.at == null || k >= shown.length - 1;
$('tl-play').disabled = !n;
@@ -2587,20 +3570,38 @@
b.disabled = !(full && full[b.dataset.side]);
}
const live = T.follow && (!T.replay || T.replay.live);
- $('tl-follow').setAttribute('aria-pressed', String(live));
+ $('tl-follow').setAttribute('aria-checked', String(live));
// slowed, following runs behind by the steps still waiting their turn
- $('tl-follow').textContent = live ? (T.queue.length ? `Following · ${T.queue.length} behind` : 'Following') : 'Follow';
+ $('tl-behind').replaceChildren(...(live && T.queue.length ? [` · ${T.queue.length}`, h('span', 'tl-behind', ' behind')] : []));
+ // Following, the step controls fold away to the left behind an arrow
+ // that opens them - and stopping opens them too.
+ const folded = live && !T.unfolded;
+ const controls = $('tl-controls');
+ controls.classList.toggle('folded', folded);
+ controls.inert = folded;
+ const unfold = $('tl-unfold');
+ unfold.hidden = !live;
+ unfold.textContent = folded ? '»' : '«';
+ unfold.title = folded ? 'Show the step controls' : 'Fold the step controls away';
+ unfold.setAttribute('aria-label', unfold.title.toLowerCase());
+ unfold.setAttribute('aria-expanded', String(!folded));
$('tl-ws').setAttribute('aria-pressed', String(T.ws));
$('tl-speed').textContent = SPEED_LABEL[T.speed];
$('tl-focus').setAttribute('aria-pressed', String(T.focus));
const badge = $('replay-badge');
- badge.hidden = !T.replay || !ev;
+ // a step only in files the map does not draw - a stylesheet, a README -
+ // moves nothing on it, so it says so whether replayed or just landed
+ const offMap = !!ev && !!S.overview && ev.status !== 'inspect' && ev.files.length > 0 && !focusRoute(ev, ev.on_disk);
+ badge.hidden = !ev || !(T.replay || offMap);
if (!badge.hidden) {
badge.replaceChildren(
...(byHand(ev) ? [person()] : []),
- T.replay.live
- ? `Proposed · step #${ev.seq}${why(ev) ? ' · ' + why(ev) : ' - staged, not written yet'}`
- : `Replay · step #${ev.seq} ${ev.status} · ${T.side} it${why(ev) ? ' · ' + why(ev) : ''}`,
+ !T.replay
+ ? `Step #${ev.seq} ${ev.status}${why(ev) ? ' · ' + why(ev) : ''}`
+ : T.replay.live
+ ? `Proposed · step #${ev.seq}${why(ev) ? ' · ' + why(ev) : ' - staged, not written yet'}`
+ : `Replay · step #${ev.seq} ${ev.status} · ${T.side} it${why(ev) ? ' · ' + why(ev) : ''}`,
+ ...(offMap ? [h('span', 'off-map', ` · ${ev.files.map(f => base(f.path)).join(', ')} not on the map`)] : []),
);
badge.title = (ev.intent || []).join('\n');
}
@@ -2625,11 +3626,19 @@
function panelEvent(ev) {
select(null);
- const look = ev.status === 'read';
- panel((look ? 'Look #' : 'Edit step #') + ev.seq, `${ev.status} · ${ev.tool}`, body => {
- const by = byHand(ev) ? 'a person, by hand' : look ? 'an agent, through ccc’s read tools' : 'an agent, through ccc’s edit tools';
+ const look = ev.status === 'inspect';
+ // a read an agent took with its own tool names the call, found in its transcript
+ const own = look && !!ev.call;
+ panel((look ? 'Inspect #' : 'Edit step #') + ev.seq, `${ev.status} · ${ev.tool}`, body => {
+ const by = byHand(ev)
+ ? 'a person, by hand'
+ : own
+ ? `an agent, with its own ${ev.tool} tool`
+ : look
+ ? 'an agent, through ccc’s read tools'
+ : 'an agent, through ccc’s edit tools';
const rows = [['status', STATUS[ev.status]], ['by', by]];
- if (ev.intent && ev.intent.length) rows.push([look ? 'asked' : 'why', ev.intent.join(' · ')]);
+ if (ev.intent && ev.intent.length) rows.push([own ? 'read' : look ? 'asked' : 'why', ev.intent.join(' · ')]);
if (ev.part) rows.push(['part', `${ev.part.index + 1} of ${ev.part.of} - ${ev.part.kind} ${ev.part.change}`]);
const g = groupOf(ev);
if (g && g.ask) rows.push(['ask', g.ask.prompt]);
@@ -2644,7 +3653,7 @@
row.append(h('span', 'chg-tag ' + (t.whitespace ? 'ws' : t.change), t.whitespace ? 'layout' : t.change), goBtn(`${t.owner ? t.owner + '::' : ''}${t.name} ${base(t.file)}`, route));
return row;
});
- section(body, look ? 'Looked at' : 'Functions', list(rows));
+ section(body, look ? 'Inspected' : 'Functions', list(rows));
}
if (ev.ops.length) section(body, 'Operations', list(ev.ops.map(o => h('code', null, o))));
if (look) section(body, 'Files', list(ev.files.map(f => goBtn(f.path, { level: 'code', file: f.path }))));
@@ -2653,17 +3662,20 @@
S.stepPanel = true;
}
- // Every ask the timeline holds, in order, under the session it was made in:
- // pick one to walk through its steps, or play a whole session through.
+ // Every collection the timeline holds - each ask, each run of changes by
+ // hand - in order, under the session it was made in: pick one and the
+ // timeline holds its steps alone, or play a whole session through.
function panelAsks() {
const keep = S.asksPanel ? $('panel-body').scrollTop : 0;
select(null);
- const asks = new Set(A.groups.filter(g => g.ask).map(g => g.ask.id)).size;
+ const all = collections();
+ const asks = all.filter(c => c.group.ask).length;
panel('Asks', `${plural(asks, 'ask')} · ${plural(T.steps.length, 'step')}`, body => {
- if (!A.groups.length) body.append(h('p', 'hint', 'No steps yet - each ask an agent works on lands here, and every change made by hand'));
- const cur = A.of.get(T.steps[T.at]?.seq);
+ if (!all.length) body.append(h('p', 'hint', 'No steps yet - each ask an agent works on lands here, and every change made by hand'));
+ const cur = collectionAt();
let session;
- A.groups.forEach((g, gi) => {
+ for (const c of all) {
+ const g = c.group;
if (g.ask && g.ask.session !== session) {
session = g.ask.session;
const s = session;
@@ -2675,18 +3687,18 @@
head.append(all);
body.append(head);
}
- const row = h('div', 'ask-row' + (gi === cur ? ' at' : ''));
- row.dataset.g = gi;
+ const row = h('div', 'ask-row' + (c.key === cur ? ' at' : ''));
+ row.dataset.c = c.key;
const go = h('button', 'ask-go');
- go.append(groupIcon(g), h('span', 'ask-text', groupText(g)), h('span', 'ask-n', plural(g.steps.length, 'step')));
+ go.append(groupIcon(g), h('span', 'ask-text', groupText(g)), h('span', 'ask-n', plural(c.steps.length, 'step')));
go.title = groupText(g);
- go.addEventListener('click', () => goGroup(gi));
+ go.addEventListener('click', () => goCollection(c));
const one = h('button', 'ask-play', '▶');
one.title = 'Replay this ask’s steps';
- one.addEventListener('click', () => play(indicesOf(g.steps)));
+ one.addEventListener('click', () => play(indicesOf(c.steps)));
row.append(go, one);
body.append(row);
- });
+ }
});
S.asksPanel = true;
$('panel-body').scrollTop = keep;
@@ -2695,22 +3707,21 @@
// where steps sit on the timeline, by their numbers
const indicesOf = seqs => seqs.map(seq => T.steps.findIndex(e => e.seq === seq)).filter(i => i >= 0);
- // a group, from its first step
- function goGroup(gi) {
- const g = A.groups[gi];
- const [i] = g ? indicesOf(g.steps) : [];
+ // a collection, from its first step - the timeline then holds it alone
+ function goCollection(c) {
+ const [i] = c ? indicesOf(c.steps) : [];
if (i == null) return;
stopPlay();
- T.session = sessionOf(gi);
replay(i, 'after');
}
- // the ask before or after the one on show
+ // the collection before or after the one on show
function groupBy(d) {
- if (!A.groups.length) return;
- const cur = A.of.get(T.steps[T.at]?.seq);
- const from = cur == null ? (d > 0 ? -1 : A.groups.length) : cur;
- goGroup(clamp(from + d, 0, A.groups.length - 1));
+ const all = collections();
+ if (!all.length) return;
+ const k = all.findIndex(c => c.key === collectionAt());
+ const from = k < 0 ? (d > 0 ? -1 : all.length) : k;
+ goCollection(all[clamp(from + d, 0, all.length - 1)]);
}
// every step from a session's first ask to its last, changes by hand between them included
@@ -2718,11 +3729,22 @@
const at = A.groups.map((g, i) => (g.ask && g.ask.session === session ? i : -1)).filter(i => i >= 0);
if (!at.length) return;
stopPlay();
- T.session = session;
play(indicesOf(A.groups.slice(at[0], at[at.length - 1] + 1).flatMap(g => g.steps)));
}
+ // how far the timeline's top sits from the window's foot, for what keeps clear of it
+ function clearOfTimeline() {
+ const bar = $('timeline');
+ const set = () => {
+ const top = bar.hidden ? 0 : Math.ceil(window.innerHeight - bar.getBoundingClientRect().top);
+ document.body.style.setProperty('--tl-top', top + 'px');
+ };
+ new ResizeObserver(set).observe(bar);
+ window.addEventListener('resize', set);
+ }
+
function bindTimeline() {
+ clearOfTimeline();
const track = $('tl-track');
let scrubbing = false;
let timer = 0;
@@ -2764,7 +3786,11 @@
$('tl-prev').addEventListener('click', () => stepBy(-1));
$('tl-next').addEventListener('click', () => stepBy(1));
$('tl-play').addEventListener('click', () => play());
- $('tl-follow').addEventListener('click', () => followLive());
+ $('tl-follow').addEventListener('click', () => toggleFollow());
+ $('tl-unfold').addEventListener('click', () => {
+ T.unfolded = !T.unfolded;
+ drawTimeline();
+ });
$('tl-speed').addEventListener('click', e => {
// shift steps back up through the speeds
const i = SPEEDS.indexOf(T.speed);
@@ -2814,9 +3840,9 @@
}
const fresh = r.events || [];
T.steps.push(...fresh);
- // past the cap a look goes before an edit does, as on the server
+ // past the cap an inspect goes before an edit does, as on the server
while (T.steps.length > MAX_TIMELINE) {
- const look = T.steps.slice(0, T.steps.length >> 1).findIndex(e => e.status === 'read');
+ const look = T.steps.slice(0, T.steps.length >> 1).findIndex(e => e.status === 'inspect');
const cut = look < 0 ? 0 : look;
T.steps.splice(cut, 1);
if (T.at != null && T.at > cut) T.at--;
diff --git a/docs/EXTENSION.md b/docs/EXTENSION.md
index 6022aca..cb9dac5 100644
--- a/docs/EXTENSION.md
+++ b/docs/EXTENSION.md
@@ -63,7 +63,8 @@ steps along its foot. While an agent edits through ccc's tools, it flies to each
and marks it, and any step can be replayed before and after. A staged change is drawn as
**Proposed** - the code as it would be - before anything is written, beside the one-line intent the
agent gave for it. Changes saved by hand land on the timeline too, marked with a person. Each edit
-plays a definition at a time and an agent's reads land as looks, at the pace the speed button sets -
+plays a definition at a time and an agent's reads land as inspects - through ccc or with its own
+tools - one ask at a time, at the pace the speed button sets -
it is the same page as in a browser, so it behaves the same there (see the
[README](../README.md#architecture-visualiser)). A change
that only moves whitespace or wraps lines is not marked unless ¶ is on. Its title-bar buttons open the same
diff --git a/docs/MCP.md b/docs/MCP.md
index 4d937ec..79baa19 100644
--- a/docs/MCP.md
+++ b/docs/MCP.md
@@ -51,6 +51,8 @@ What every write is held to:
`file://` report) can read the map but never write through it.
- **Attributed.** Each applied changeset is appended to `.ccc/edits.jsonl`, which is kept out of git. `ccc prompts`
reads it to credit a ccc edit to the request behind it, as strongly as it credits an `Edit` or `Write`.
-- **Shared.** Every step - staged, applied, reverted, and each look a read tool took - is appended to
+- **Shared.** Every step - staged, applied, reverted, and each inspect an agent made - is appended to
`.ccc/timeline.jsonl`, also kept out of git, so the visualiser of any ccc server on the project shows it.
+ An inspect is a read tool's answer, or a file the agent read with its own tools, which the server
+ finds in Claude Code's transcripts (subagents included) every couple of seconds.
diff --git a/src/inspect.rs b/src/inspect.rs
new file mode 100644
index 0000000..279ef57
--- /dev/null
+++ b/src/inspect.rs
@@ -0,0 +1,471 @@
+//! What agents read with their own tools - a `Read`, a `cat` or a `sed -n` in
+//! a shell - taken from their transcripts as they are written. ccc's read tools
+//! put their looks on the timeline as they answer; these are the rest, so the
+//! visualiser shows an agent inspecting code whichever way it looked.
+//!
+//! Claude Code's transcripts only, a session's subagents with it: Copilot's
+//! chat log keeps no record of the files its tools read.
+
+use crate::model::FileCache;
+use serde_json::Value;
+use std::collections::BTreeMap;
+use std::path::{Component, Path, PathBuf};
+
+// transcripts are looked for again this often - a new session, a subagent
+const FOUND_EVERY: std::time::Duration = std::time::Duration::from_secs(10);
+// and this often when claude keeps no directory for the project, where
+// finding them means opening every other project's
+const FOUND_SLOW: std::time::Duration = std::time::Duration::from_secs(600);
+// the sites one read names past the file itself
+const READ_SITES: usize = 59;
+
+// commands that read the files they name and write none
+const READERS: &[&str] = &[
+ "cat", "head", "tail", "sed", "awk", "nl", "less", "more", "bat", "batcat", "view", "grep", "egrep", "fgrep", "rg", "ag",
+ "wc", "cut", "sort", "uniq", "diff", "strings", "xxd", "od", "jq",
+];
+// readers whose first word is a pattern or a script rather than a file
+const PATTERNED: &[&str] = &["sed", "awk", "grep", "egrep", "fgrep", "rg", "ag", "jq"];
+// words ahead of a command that only change how it runs
+const WRAPPERS: &[&str] = &["sudo", "env", "time", "command", "nohup", "exec", "nice"];
+
+// One file an agent read with its own tools.
+#[derive(Debug, Clone, PartialEq)]
+pub struct Read {
+ pub at_ms: u64,
+ pub session: String,
+ // the tool call it was, so it is put down once
+ pub call: String,
+ // Read, NotebookRead, Grep, Bash
+ pub tool: String,
+ // project-relative
+ pub path: String,
+ // 1-based and inclusive, ending at `usize::MAX` for the rest of the file -
+ // none for the whole of it
+ pub lines: Option<(usize, usize)>,
+}
+
+impl Read {
+ // the file and the lines read, as the timeline labels it
+ pub fn what(&self) -> String {
+ match self.lines {
+ None => self.path.clone(),
+ Some((a, b)) if a == b => format!("{}:{a}", self.path),
+ Some((a, usize::MAX)) => format!("{}:{a}-", self.path),
+ Some((a, b)) => format!("{}:{a}-{b}", self.path),
+ }
+ }
+
+ // Where on the map it was read, as (file, line - none for the file, main):
+ // the one function the lines lie in, else the file and each function they
+ // cross.
+ pub fn sites(&self, caches: &[FileCache]) -> Vec<(String, usize, bool)> {
+ let whole = vec![(self.path.clone(), 0, true)];
+ let cache = caches.iter().find(|c| crate::changes::path_str(&c.rel_path) == self.path);
+ let (Some((from, to)), Some(c)) = (self.lines, cache) else {
+ return whole;
+ };
+ let holding = c
+ .funcs
+ .iter()
+ .filter(|f| f.start_line <= from && to <= f.end_line)
+ .min_by_key(|f| f.end_line - f.start_line);
+ if let Some(f) = holding {
+ return vec![(self.path.clone(), f.line, true)];
+ }
+ let crossed = c.funcs.iter().filter(|f| f.start_line <= to && from <= f.end_line);
+ whole.into_iter().chain(crossed.take(READ_SITES).map(|f| (self.path.clone(), f.line, false))).collect()
+ }
+}
+
+// The transcripts of this project's agents, each read as far as it was last.
+#[derive(Default)]
+pub struct Reads {
+ // when the transcripts were last looked for
+ found: Option,
+ // each, and the bytes of it read so far
+ read: BTreeMap,
+}
+
+impl Reads {
+ // The reads agents made since the last call, oldest first.
+ pub fn fresh(&mut self, root: &Path) -> Vec {
+ let quick = crate::prompts::claude_root().is_some_and(|b| b.join(crate::prompts::claude_slug(root)).is_dir());
+ let every = if quick { FOUND_EVERY } else { FOUND_SLOW };
+ if self.found.is_none_or(|t| t.elapsed() >= every) {
+ let found = transcripts(root);
+ self.found_now(found);
+ }
+ self.tail(root)
+ }
+
+ // What a transcript held when it was first found is history; one begun
+ // since is news from its first line.
+ fn found_now(&mut self, found: Vec) {
+ let first = self.found.is_none();
+ self.read.retain(|f, _| found.contains(f));
+ for f in found {
+ let from = if first { std::fs::metadata(&f).map_or(0, |m| m.len()) } else { 0 };
+ self.read.entry(f).or_insert(from);
+ }
+ self.found = Some(std::time::Instant::now());
+ }
+
+ fn tail(&mut self, root: &Path) -> Vec {
+ let mut out = Vec::new();
+ for (f, from) in self.read.iter_mut() {
+ let (records, end) = tail(f, *from);
+ *from = end;
+ out.extend(records.iter().flat_map(|r| reads_of(r, root)));
+ }
+ out.sort_by_key(|r| r.at_ms);
+ out
+ }
+}
+
+// claude's transcripts for this project, each session's subagents beside it
+fn transcripts(root: &Path) -> Vec {
+ let mut out = Vec::new();
+ for main in crate::prompts::claude_transcripts(root).0 {
+ out.extend(crate::prompts::jsonl_files(&main.with_extension("").join("subagents")));
+ out.push(main);
+ }
+ out
+}
+
+// The records a transcript gained past byte `from` that hold a tool call, and
+// the byte they end at. A line still being written waits for the next read; a
+// transcript shorter than `from` began again, so it is read from the top.
+fn tail(path: &Path, from: u64) -> (Vec, u64) {
+ use std::io::{Read as _, Seek, SeekFrom};
+ let Ok(mut f) = std::fs::File::open(path) else {
+ return (Vec::new(), from);
+ };
+ let from = if f.metadata().map_or(0, |m| m.len()) < from { 0 } else { from };
+ let mut buf = Vec::new();
+ if f.seek(SeekFrom::Start(from)).is_err() || f.read_to_end(&mut buf).is_err() {
+ return (Vec::new(), from);
+ }
+ let end = buf.iter().rposition(|&b| b == b'\n').map_or(0, |i| i + 1);
+ let call = b"\"tool_use\"";
+ let records = buf[..end]
+ .split(|&b| b == b'\n')
+ // a tool's answer can run to megabytes - only the calls are parsed
+ .filter(|l| l.windows(call.len()).any(|w| w == call))
+ .filter_map(|l| serde_json::from_slice(l).ok())
+ .collect();
+ (records, from + end as u64)
+}
+
+// the files inside the project one transcript record's tool calls read
+fn reads_of(rec: &Value, root: &Path) -> Vec {
+ if rec["type"] != "assistant" {
+ return Vec::new();
+ }
+ let at_ms = rec["timestamp"]
+ .as_str()
+ .and_then(|t| chrono::DateTime::parse_from_rfc3339(t).ok())
+ .map_or(0, |d| d.timestamp_millis().max(0) as u64);
+ let session = rec["sessionId"].as_str().unwrap_or_default();
+ let cwd = rec["cwd"].as_str().map_or_else(|| root.to_path_buf(), PathBuf::from);
+ let mut out = Vec::new();
+ for b in rec["message"]["content"].as_array().into_iter().flatten() {
+ let (Some("tool_use"), Some(tool), Some(call)) = (b["type"].as_str(), b["name"].as_str(), b["id"].as_str()) else {
+ continue;
+ };
+ let input = &b["input"];
+ let named: Vec<(PathBuf, Option<(usize, usize)>)> = match tool {
+ "Read" => input["file_path"].as_str().map(|p| (cwd.join(p), read_range(input))).into_iter().collect(),
+ "NotebookRead" => input["notebook_path"].as_str().map(|p| (cwd.join(p), None)).into_iter().collect(),
+ // a search of one file looks at it; one of a directory names no file until it answers
+ "Grep" => input["path"].as_str().map(|p| (cwd.join(p), None)).into_iter().collect(),
+ "Bash" => input["command"].as_str().map(|c| shell_reads(c, &cwd)).unwrap_or_default(),
+ _ => Vec::new(),
+ };
+ out.extend(named.into_iter().filter_map(|(p, lines)| {
+ let path = inside(root, &p)?;
+ Some(Read { at_ms, session: session.to_string(), call: call.to_string(), tool: tool.to_string(), path, lines })
+ }));
+ }
+ out
+}
+
+// the lines a `Read` asked for - none when it asked for the whole file
+fn read_range(input: &Value) -> Option<(usize, usize)> {
+ let num = |v: &Value| v.as_u64().or_else(|| v.as_str()?.trim().parse().ok()).map(|n| n as usize);
+ let (offset, limit) = (num(&input["offset"]), num(&input["limit"]));
+ if offset.is_none() && limit.is_none() {
+ return None;
+ }
+ let from = offset.unwrap_or(1).max(1);
+ Some((from, limit.map_or(usize::MAX, |l| from + l.max(1) - 1)))
+}
+
+// an absolute path as a path inside the project, relative to it
+fn inside(root: &Path, path: &Path) -> Option {
+ let mut abs = PathBuf::new();
+ for c in path.components() {
+ match c {
+ Component::ParentDir => {
+ abs.pop();
+ }
+ Component::CurDir => {}
+ c => abs.push(c),
+ }
+ }
+ let rel = abs.strip_prefix(root).ok()?;
+ rel.components().next().is_some().then(|| crate::changes::path_str(rel))
+}
+
+// The files a shell command line reads, each with the lines a `sed -n 'a,bp'`
+// or a `head -n` took where it says. A word is taken for a file only where the
+// command it follows reads files and writes none.
+fn shell_reads(line: &str, cwd: &Path) -> Vec<(PathBuf, Option<(usize, usize)>)> {
+ let mut cwd = cwd.to_path_buf();
+ let mut out = Vec::new();
+ for (words, fed) in commands(line) {
+ let mut words = words.iter().map(String::as_str).skip_while(|w| assignment(w) || WRAPPERS.contains(w));
+ let Some(cmd) = words.next() else {
+ continue;
+ };
+ let args: Vec<&str> = words.collect();
+ let name = cmd.rsplit('/').next().unwrap_or(cmd);
+ if name == "cd" {
+ if let Some(dir) = args.first() {
+ cwd = cwd.join(dir);
+ }
+ continue;
+ }
+ let in_place = name == "sed" && args.iter().any(|a| a.starts_with("-i") || a.starts_with("--in-place"));
+ if !READERS.contains(&name) || in_place {
+ continue;
+ }
+ let lines = match name {
+ "sed" => args.iter().find_map(|a| sed_range(a)),
+ "head" => head_count(&args).map(|n| (1, n)),
+ _ => None,
+ };
+ // a search's or an edit script's first word is its pattern, unless a flag gave it
+ let given = args.iter().any(|a| matches!(*a, "-e" | "-f" | "--regexp" | "--expression" | "--file"));
+ let pattern = usize::from(PATTERNED.contains(&name) && !given);
+ let words = args.iter().copied().filter(|a| !a.starts_with('-') && !a.bytes().all(|b| b.is_ascii_digit()));
+ let files = words.skip(pattern).chain(fed.iter().map(String::as_str));
+ out.extend(files.map(|f| (cwd.join(f), lines)));
+ }
+ out
+}
+
+// `NAME=value` ahead of a command
+fn assignment(word: &str) -> bool {
+ word.split_once('=')
+ .is_some_and(|(k, _)| !k.is_empty() && k.chars().all(|c| c.is_ascii_alphanumeric() || c == '_'))
+}
+
+// the lines `a,bp` or `ap` prints under `sed -n`
+fn sed_range(script: &str) -> Option<(usize, usize)> {
+ let body = script.strip_suffix('p')?;
+ let (a, b) = body.split_once(',').unwrap_or((body, body));
+ let a: usize = a.parse().ok()?;
+ let b = if b == "$" { usize::MAX } else { b.parse().ok()? };
+ (a >= 1 && b >= a).then_some((a, b))
+}
+
+// how many lines a `head` took, where it says
+fn head_count(args: &[&str]) -> Option {
+ let mut it = args.iter();
+ while let Some(a) = it.next() {
+ let n: Option = match *a {
+ "-n" | "--lines" => it.next().and_then(|n| n.parse().ok()),
+ a => a
+ .strip_prefix("--lines=")
+ .or_else(|| a.strip_prefix("-n"))
+ .or_else(|| a.strip_prefix('-'))
+ .and_then(|n| n.parse().ok()),
+ };
+ if n.is_some() {
+ return n.filter(|&n| n > 0);
+ }
+ }
+ None
+}
+
+// where the word being read goes
+#[derive(Clone, Copy)]
+enum Into {
+ Arg,
+ // fed to the command with `<`
+ Fed,
+ // written with `>` - no read
+ Written,
+}
+
+// a command line on its way to its simple commands
+struct Split {
+ commands: Vec<(Vec, Vec)>,
+ word: Option,
+ into: Into,
+}
+
+impl Split {
+ fn push(&mut self, c: char) {
+ self.word.get_or_insert_with(String::new).push(c);
+ }
+
+ fn word(&mut self) {
+ let Some(w) = self.word.take() else {
+ return;
+ };
+ let Some((args, fed)) = self.commands.last_mut() else {
+ return;
+ };
+ match std::mem::replace(&mut self.into, Into::Arg) {
+ Into::Arg => args.push(w),
+ Into::Fed => fed.push(w),
+ Into::Written => {}
+ }
+ }
+
+ fn command(&mut self) {
+ self.word();
+ self.commands.push(Default::default());
+ }
+}
+
+// A command line as its simple commands, each its words with the quotes taken
+// off and the words a `<` feeds it apart. A heredoc's body is text, not
+// commands, so the line is read no further than one.
+fn commands(line: &str) -> Vec<(Vec, Vec)> {
+ let mut s = Split { commands: vec![Default::default()], word: None, into: Into::Arg };
+ let mut chars = line.chars().peekable();
+ while let Some(c) = chars.next() {
+ match c {
+ '\'' => {
+ s.word.get_or_insert_with(String::new);
+ for c in chars.by_ref().take_while(|&c| c != '\'') {
+ s.push(c);
+ }
+ }
+ '"' => {
+ s.word.get_or_insert_with(String::new);
+ while let Some(c) = chars.next() {
+ match c {
+ '"' => break,
+ '\\' => chars.next().into_iter().for_each(|n| s.push(n)),
+ c => s.push(c),
+ }
+ }
+ }
+ '\\' => chars.next().into_iter().filter(|&n| n != '\n').for_each(|n| s.push(n)),
+ ' ' | '\t' => s.word(),
+ '\n' | ';' | '|' | '&' | '(' | ')' => s.command(),
+ '#' if s.word.is_none() => {
+ chars.by_ref().take_while(|&c| c != '\n').for_each(drop);
+ s.command();
+ }
+ '<' if chars.peek() == Some(&'<') => break,
+ '<' => {
+ s.word();
+ s.into = Into::Fed;
+ }
+ '>' => {
+ // the `2` of `2>` is the stream, not a word
+ if s.word.as_deref().is_some_and(|w| !w.is_empty() && w.bytes().all(|b| b.is_ascii_digit())) {
+ s.word = None;
+ }
+ s.word();
+ while chars.next_if(|&c| c == '>' || c == '&').is_some() {}
+ s.into = Into::Written;
+ }
+ c => s.push(c),
+ }
+ }
+ s.command();
+ s.commands.retain(|(args, fed)| !args.is_empty() || !fed.is_empty());
+ s.commands
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+ use serde_json::json;
+
+ fn files(line: &str) -> Vec<(String, Option<(usize, usize)>)> {
+ shell_reads(line, Path::new("/p/sub"))
+ .into_iter()
+ .map(|(p, lines)| (p.to_string_lossy().into_owned(), lines))
+ .collect()
+ }
+
+ // A shell line reads the files its reading commands name - with the lines
+ // a `sed -n` or `head` took - and nothing a command writes, runs or edits
+ // in place, a heredoc's text included.
+ #[test]
+ fn a_shell_line_reads_what_its_readers_name() {
+ assert_eq!(files("sed -n '120,180p' src/a.rs"), [("/p/sub/src/a.rs".into(), Some((120, 180)))]);
+ assert_eq!(files("cd .. && head -n 40 lib.rs | grep fn"), [("/p/sub/../lib.rs".into(), Some((1, 40)))]);
+ assert_eq!(
+ files("grep -n \"fn main\" a.rs b.rs 2>/dev/null; cat < c.rs"),
+ [("/p/sub/a.rs".into(), None), ("/p/sub/b.rs".into(), None), ("/p/sub/c.rs".into(), None)]
+ );
+ assert_eq!(files("LANG=C sudo cat /etc/x"), [("/etc/x".into(), None)]);
+ assert!(files("sed -i 's/a/b/' a.rs").is_empty());
+ assert!(files("cargo test --lib a.rs > out.txt").is_empty());
+ assert!(files("cat > a.rs <<'EOF'\nfn x() {}\nEOF").is_empty());
+ assert!(files("echo cat a.rs # cat b.rs").is_empty());
+ }
+
+ // A read is seen where it was taken: the one function its lines lie in,
+ // else the file and the functions they cross - the whole file when it
+ // asked for no lines.
+ #[test]
+ fn a_read_is_seen_at_the_function_its_lines_lie_in() {
+ let src = "fn a() {\n 1;\n}\n\nfn b() {\n 2;\n}\n";
+ let caches = vec![crate::scan::read_one(Path::new("src/x.rs"), src).unwrap()];
+ let read = |lines| Read { at_ms: 0, session: "s".into(), call: "c".into(), tool: "Read".into(), path: "src/x.rs".into(), lines };
+ assert_eq!(read(Some((2, 2))).sites(&caches), [("src/x.rs".to_string(), 1, true)]);
+ assert_eq!(
+ read(Some((2, 6))).sites(&caches),
+ [("src/x.rs".to_string(), 0, true), ("src/x.rs".to_string(), 1, false), ("src/x.rs".to_string(), 5, false)]
+ );
+ assert_eq!(read(None).sites(&caches), [("src/x.rs".to_string(), 0, true)]);
+ assert_eq!(read(Some((5, usize::MAX))).what(), "src/x.rs:5-");
+ }
+
+ // A transcript is read on from where it was last: what it held when it
+ // was found is history, each call after is a read of what it named inside
+ // the project, and a line still being written waits for the next look.
+ #[test]
+ fn a_transcripts_reads_are_found_as_they_are_written() {
+ let dir = std::env::temp_dir().join(format!("ccc-inspect-{}", std::process::id()));
+ let _ = std::fs::remove_dir_all(&dir);
+ let root = dir.join("proj");
+ std::fs::create_dir_all(&root).unwrap();
+ let log = dir.join("s1.jsonl");
+ let call = |id: &str, name: &str, input: Value| {
+ json!({"type": "assistant", "timestamp": "2026-10-03T12:00:00.000Z", "sessionId": "s1", "cwd": root,
+ "message": {"content": [{"type": "tool_use", "id": id, "name": name, "input": input}]}})
+ .to_string()
+ + "\n"
+ };
+ let mut text = call("old", "Read", json!({"file_path": root.join("a.rs")}));
+ std::fs::write(&log, &text).unwrap();
+ let mut reads = Reads::default();
+ reads.found_now(vec![log.clone()]);
+ assert!(reads.tail(&root).is_empty(), "history");
+
+ text += &call("t1", "Read", json!({"file_path": root.join("src/a.rs"), "offset": 10, "limit": 5}));
+ text += &call("t2", "Bash", json!({"command": "sed -n '1,3p' src/b.rs && cat /etc/hosts"}));
+ text += &call("t3", "mcp__ccc__file", json!({"path": "src/c.rs"}));
+ text += &json!({"type": "user", "message": {"content": [{"type": "tool_result", "tool_use_id": "t1", "content": "x"}]}}).to_string();
+ text += "\n";
+ let half = call("t4", "Read", json!({"file_path": root.join("src/d.rs")}));
+ std::fs::write(&log, format!("{text}{}", &half[..20])).unwrap();
+ let got: Vec<(String, String, String)> = reads.tail(&root).into_iter().map(|r| (r.what(), r.call, r.tool)).map(|(w, c, t)| (c, t, w)).collect();
+ assert_eq!(got, [("t1".into(), "Read".into(), "src/a.rs:10-14".into()), ("t2".into(), "Bash".into(), "src/b.rs:1-3".into())]);
+
+ std::fs::write(&log, format!("{text}{half}")).unwrap();
+ let got: Vec = reads.tail(&root).into_iter().map(|r| r.what()).collect();
+ assert_eq!(got, ["src/d.rs"]);
+ let _ = std::fs::remove_dir_all(&dir);
+ }
+}
diff --git a/src/lib.rs b/src/lib.rs
index 9462a12..53dace2 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -8,6 +8,7 @@ pub mod extract;
pub mod externals;
pub mod html;
pub mod insights;
+pub mod inspect;
pub mod instance;
pub mod languages;
pub mod model;
diff --git a/src/prompts.rs b/src/prompts.rs
index 626e4cc..9854bcf 100644
--- a/src/prompts.rs
+++ b/src/prompts.rs
@@ -207,7 +207,7 @@ fn home() -> Option {
// the directory claude code keeps its transcripts in
// ccc:skip
-fn claude_root() -> Option {
+pub(crate) fn claude_root() -> Option {
if let Some(dir) = std::env::var_os("CLAUDE_CONFIG_DIR") {
return Some(PathBuf::from(dir).join("projects"));
}
@@ -237,7 +237,7 @@ fn transcript_cwd(path: &Path) -> Option {
}
// ccc:skip
-fn jsonl_files(dir: &Path) -> Vec {
+pub(crate) fn jsonl_files(dir: &Path) -> Vec {
let Ok(entries) = fs::read_dir(dir) else {
return Vec::new();
};
@@ -253,7 +253,7 @@ fn jsonl_files(dir: &Path) -> Vec {
// transcripts for this project: the slug first, then any other project
// directory whose sessions actually ran here
// ccc:skip
-fn claude_transcripts(root: &Path) -> (Vec, String) {
+pub(crate) fn claude_transcripts(root: &Path) -> (Vec, String) {
let Some(base) = claude_root() else {
return (Vec::new(), "".into());
};
@@ -415,6 +415,10 @@ fn truncate(s: &str, cap: usize) -> String {
// harness metadata and slash-command expansions are not requests
// ccc:skip
fn user_prompt_text(rec: &Value) -> Option {
+ if let Some(raw) = queued_text(rec) {
+ let condensed = condense(&raw);
+ return (!condensed.is_empty()).then_some(condensed);
+ }
if rec.get("type").and_then(|t| t.as_str()) != Some("user") {
return None;
}
@@ -450,6 +454,32 @@ fn user_prompt_text(rec: &Value) -> Option {
(!condensed.is_empty()).then_some(condensed)
}
+// A message the user sent while the agent worked: the harness queues it and
+// hands it over mid-turn, as an attachment rather than a turn of its own - a
+// request all the same, and what the agent does after it answers it.
+fn queued_text(rec: &Value) -> Option {
+ if rec.get("type").and_then(|t| t.as_str()) != Some("attachment") {
+ return None;
+ }
+ let a = rec.get("attachment")?;
+ let is = |k: &str, want: &str| a.get(k).and_then(|v| v.as_str()).is_none_or(|v| v == want);
+ let human = a.get("origin").and_then(|o| o.get("kind")).and_then(|k| k.as_str()).is_none_or(|k| k == "human");
+ if a.get("type").and_then(|t| t.as_str()) != Some("queued_command") || !is("commandMode", "prompt") || !human {
+ return None;
+ }
+ match a.get("prompt")? {
+ Value::String(s) => Some(s.clone()),
+ Value::Array(blocks) => Some(
+ blocks
+ .iter()
+ .filter_map(|b| b.get("text").and_then(|t| t.as_str()))
+ .collect::>()
+ .join("\n"),
+ ),
+ _ => None,
+ }
+}
+
// the longest distinctive line of what a tool wrote, for finding it again
// ccc:skip
fn anchor_of(text: &str) -> Option {
@@ -1319,6 +1349,36 @@ mod tests {
assert!(turns[0].edits[0].anchor.is_some());
}
+ // A message sent while the agent worked reaches it queued, mid-turn - a
+ // request of its own, the edits after it its own - while a task's note
+ // to the agent is no one's request.
+ #[test]
+ fn a_message_queued_mid_turn_is_a_request_of_its_own() {
+ let dir = tempdir::Dir::new("prompt-queued");
+ let queued = |uuid: &str, parent: &str, ts: &str, prompt: Value, origin: &str| {
+ serde_json::json!({
+ "type": "attachment", "uuid": uuid, "parentUuid": parent, "timestamp": ts, "cwd": "/proj",
+ "attachment": {"type": "queued_command", "prompt": prompt, "commandMode": "prompt", "origin": {"kind": origin}},
+ })
+ };
+ let edit = |text: &str| tool_use("Edit", serde_json::json!({"file_path": "/proj/src/net.rs", "new_string": text}));
+ let file = write(
+ dir.path(),
+ "s9.jsonl",
+ &[
+ user("u1", None, "2026-08-20T10:00:00Z", serde_json::json!("rename the port field")),
+ assistant("a1", "u1", "2026-08-20T10:00:01Z", serde_json::json!([edit(" pub listen_port: u16,")])),
+ queued("q1", "a1", "2026-08-20T10:00:02Z", serde_json::json!([{"type": "text", "text": "and the host field"}]), "human"),
+ assistant("a2", "q1", "2026-08-20T10:00:03Z", serde_json::json!([edit(" pub listen_host: String,")])),
+ queued("q2", "a2", "2026-08-20T10:00:04Z", serde_json::json!("a background task finished"), "task"),
+ ],
+ );
+ let turns = parse_claude(&file, Path::new("/proj"));
+ let got: Vec<(&str, usize)> = turns.iter().map(|t| (t.prompt.as_str(), t.edits.len())).collect();
+ assert_eq!(got, [("rename the port field", 1), ("and the host field", 1)]);
+ assert_eq!(turns[1].id, "claude:s9:q1");
+ }
+
#[test]
fn a_turn_carries_the_model_that_answered_it_even_with_no_edit() {
let dir = tempdir::Dir::new("prompt-model");
diff --git a/src/replay.rs b/src/replay.rs
index 4484cd4..0c2ea38 100644
--- a/src/replay.rs
+++ b/src/replay.rs
@@ -39,6 +39,11 @@ fn git_raw(root: &Path, args: &[&str]) -> Option {
out.status.success().then(|| String::from_utf8_lossy(&out.stdout).into_owned())
}
+// a text kept for a replay, by the object id `texts_of` gave it
+pub(crate) fn text_of(root: &Path, id: &str) -> Option {
+ git_raw(root, &["cat-file", "blob", id])
+}
+
// git fed `input`, with `env` set - an error carries what git said
fn git_in(root: &Path, args: &[&str], input: &[u8], env: &[(&str, &str)]) -> Result {
let mut child = Command::new("git")
@@ -105,20 +110,27 @@ pub(crate) fn by_changeset(turns: &[Turn]) -> BTreeMap<&str, Vec<&Turn>> {
// The ask a step answers: the one whose calls named its changeset - the
// latest made before it, as a changeset can be staged under one ask and
// applied under the next - or, for a look, which names none, the ask made
-// last before it. A change made by hand answers none.
+// last before it, in its own session where it names one. A change made by
+// hand answers none.
pub(crate) fn ask_of<'t>(
human: bool,
changeset: Option<&str>,
+ session: Option<&str>,
at_ms: u64,
turns: &'t [Turn],
named: &BTreeMap<&str, Vec<&'t Turn>>,
) -> Option<&'t Turn> {
- // a transcript's clock and the server's can sit a moment apart
- let made_before = |t: &&Turn| t.epoch * 1000 <= at_ms as i64 + 5000;
+ // a transcript's clock and the server's can sit a moment apart - a look
+ // read from the transcript, which names its session, keeps the transcript's own
+ let lead = if session.is_some() { 0 } else { 5000 };
+ let made_before = |t: &&Turn| t.epoch * 1000 <= at_ms as i64 + lead;
match (human, changeset) {
(true, _) => None,
(_, Some(c)) => named.get(c).and_then(|ts| ts.iter().rev().find(|t| made_before(t)).or(ts.first()).copied()),
- (_, None) => turns.iter().filter(made_before).max_by_key(|t| t.epoch),
+ (_, None) => {
+ let latest = |s: Option<&str>| turns.iter().filter(made_before).filter(|t| s.is_none_or(|s| t.session == s)).max_by_key(|t| t.epoch);
+ session.and_then(|s| latest(Some(s))).or_else(|| latest(None))
+ }
}
}
@@ -294,7 +306,7 @@ pub fn save(root: &Path, opts: &SaveOptions) -> Result {
// a step no ask accounts for goes with the session it falls in
let mut session: Option = None;
for mut v in steps {
- let ask = ask_of(v["by"] == "human", v["changeset"].as_str(), v["at"].as_u64().unwrap_or(0), &turns, &named);
+ let ask = ask_of(v["by"] == "human", v["changeset"].as_str(), v["session"].as_str(), v["at"].as_u64().unwrap_or(0), &turns, &named);
if let Some(t) = ask {
session = Some(t.session.clone());
}
@@ -476,6 +488,33 @@ mod tests {
use super::*;
use std::fs;
+ // A look read from a transcript keeps the transcript's clock and serves
+ // the ask its own session made last before it - not one made a moment
+ // after, nor another session's.
+ #[test]
+ fn a_look_from_a_transcript_serves_its_own_sessions_ask() {
+ let turn = |id: &str, session: &str, epoch| Turn {
+ id: id.into(),
+ agent: "claude".into(),
+ session: session.into(),
+ model: None,
+ ts: String::new(),
+ branch: None,
+ prompt: String::new(),
+ edits: Vec::new(),
+ changesets: Vec::new(),
+ epoch,
+ };
+ let turns = [turn("a", "s1", 100), turn("b", "s1", 102), turn("c", "s2", 150)];
+ let named = by_changeset(&turns);
+ let ask = |session, at_ms| ask_of(false, None, session, at_ms, &turns, &named).map(|t| t.id.as_str());
+ // the server's own look allows for the two clocks
+ assert_eq!(ask(None, 101_000), Some("b"));
+ assert_eq!(ask(Some("s1"), 101_000), Some("a"));
+ assert_eq!(ask(Some("s1"), 160_000), Some("b"));
+ assert_eq!(ask(None, 160_000), Some("c"));
+ }
+
// a repository with a branch off `main`, and a bare remote both were pushed to
struct Repo {
dir: PathBuf,
@@ -555,7 +594,7 @@ mod tests {
assert!(sh(&r.work, &["config", "--get-all", "remote.origin.fetch"]).contains(FETCH_SPEC));
assert_eq!(save(&r.work, &push).unwrap().steps, 0, "nothing new");
- feed(&r.work, &[step(4, "feature", "read", json!([]))]);
+ feed(&r.work, &[step(4, "feature", "inspect", json!([]))]);
assert_eq!(save(&r.work, &push).unwrap().steps, 1);
assert_eq!(lines(&r.work, "refs/ccc/replay/feature:sessions/unattributed.jsonl"), 4);
assert_eq!(sh(&r.work, &["rev-list", "--count", "refs/ccc/replay/feature"]), "2");
diff --git a/src/scan.rs b/src/scan.rs
index b3ccf2e..2da76c6 100644
--- a/src/scan.rs
+++ b/src/scan.rs
@@ -116,7 +116,25 @@ pub fn collect_files(root: &Path) -> Result> {
// parse every discovered file into a `FileCache`, sorted by path
pub fn build_caches(root: &Path, files: &[PathBuf]) -> Vec {
- let mut caches = parse_all(root, files);
+ build_caches_reusing(root, files, |_| None)
+}
+
+// The caches for `files`, each that `held` still has for a file - one that
+// has not changed since - taken from there rather than parsed again.
+pub fn build_caches_reusing(root: &Path, files: &[PathBuf], held: impl Fn(&PathBuf) -> Option) -> Vec {
+ let mut caches = Vec::with_capacity(files.len());
+ let mut fresh = Vec::new();
+ for f in files {
+ match held(f) {
+ Some(mut c) => {
+ // named afresh below, against whatever else is here now
+ c.cache_name = naming::cache_name(&c.rel_path);
+ caches.push(c);
+ }
+ None => fresh.push(f.clone()),
+ }
+ }
+ caches.extend(parse_all(root, &fresh));
caches.sort_by(|a, b| a.rel_path.cmp(&b.rel_path));
disambiguate_cache_names(&mut caches);
caches
diff --git a/src/serve.rs b/src/serve.rs
index 46c5128..e8a8f42 100644
--- a/src/serve.rs
+++ b/src/serve.rs
@@ -74,6 +74,12 @@ struct MapState {
feed: Mutex,
// the requests behind the timeline's steps, read from agents' transcripts
asks: Mutex,
+ // what agents read with their own tools, as far as their transcripts were read
+ inspects: Mutex,
+ // held while the map is read again - see `rescan`
+ rescanning: Arc>,
+ // each mapped file's mtime and size when it was read, so one unchanged is not parsed again
+ stamps: Mutex,
// the advisory answer for this map generation; asking osv is a network round trip
audit: Mutex>,
// security findings for this generation, keyed also by whether tests were included
@@ -143,11 +149,20 @@ impl Timeline {
if let Some(o) = v.as_object_mut() {
o.remove("server");
}
- tl.log(Logged { json: v, before: None, after: None });
+ as_inspect(&mut v);
+ tl.log(Logged::bare(v));
}
tl
}
+ // Is this look on the timeline already - the step just logged, or the
+ // same call another server's feed put down.
+ fn holds(&self, look: &Value) -> bool {
+ let same = |l: &Logged| l.json["status"] == "inspect" && l.json["intent"] == look["intent"];
+ self.steps.back().is_some_and(same)
+ || (look["call"].is_string() && self.steps.iter().any(|l| same(l) && l.json["call"] == look["call"]))
+ }
+
// A step onto the end, numbered, and the event as logged. Past the cap a
// look goes before an edit does - the edits are what a replay is for -
// and only the newest steps keep their snapshots.
@@ -158,13 +173,14 @@ impl Timeline {
self.steps.push_back(l);
while self.steps.len() > TIMELINE_STEPS {
let older = self.steps.len() / 2;
- match self.steps.iter().take(older).position(|s| s.json["status"] == "read") {
+ match self.steps.iter().take(older).position(|s| s.json["status"] == "inspect") {
Some(i) => drop(self.steps.remove(i)),
None => drop(self.steps.pop_front()),
}
}
let n = self.steps.len();
for old in self.steps.iter_mut().take(n.saturating_sub(TIMELINE_SNAPSHOTS)) {
+ old.drawable = None;
old.before = None;
old.after = None;
}
@@ -174,18 +190,47 @@ impl Timeline {
struct Logged {
json: Value,
- // the step drawn at its focus level, on each side
+ // what the step's sides are drawn from, while it is among the newest -
+ // none for a look, or a step another server shared
+ drawable: Option>,
+ // each side drawn at its focus level, once a page asked for it
before: Option>,
after: Option>,
}
-// a step on its way to the timeline, read while the map still held its before side
+impl Logged {
+ // a step with nothing to draw
+ fn bare(json: Value) -> Logged {
+ Logged { json, drawable: None, before: None, after: None }
+ }
+}
+
+// a step on its way to the timeline
struct Draft {
step: edit::Activity,
event: vis::Event,
- before: Option>,
- // a part of a step, or a staged call - sides no map held
- unmapped: bool,
+}
+
+// a logged step that kept the texts it is drawn from - a write, staged or
+// made by hand; a discard is drawn already as what it dropped
+fn drawable_json(v: &Value) -> bool {
+ matches!(v["status"].as_str(), Some("staged" | "applied" | "reverted" | "edited")) && v["texts"].as_array().is_some_and(|t| !t.is_empty())
+}
+
+// A step logged before looks were inspects, as one now.
+fn as_inspect(v: &mut Value) {
+ if v["status"] != "read" {
+ return;
+ }
+ v["status"] = json!("inspect");
+ for key in ["files", "functions"] {
+ for t in v.get_mut(key).and_then(Value::as_array_mut).into_iter().flatten() {
+ t["change"] = json!("inspect");
+ }
+ }
+ if v["focus"]["change"] == "read" {
+ v["focus"]["change"] = json!("inspect");
+ }
}
fn now_ms() -> u64 {
@@ -271,6 +316,8 @@ struct StepRef {
at: u64,
human: bool,
changeset: Option,
+ // the agent session a look came from, where its transcript said
+ session: Option,
}
// Steps into runs by the ask behind them. A step an agent took belongs to the
@@ -283,7 +330,7 @@ fn group_by_ask(steps: &[StepRef], turns: &[crate::prompts::Turn]) -> Value {
let named = crate::replay::by_changeset(turns);
let mut groups: Vec<(&str, Option<&crate::prompts::Turn>, Vec)> = Vec::new();
for s in steps {
- let ask = crate::replay::ask_of(s.human, s.changeset.as_deref(), s.at, turns, &named);
+ let ask = crate::replay::ask_of(s.human, s.changeset.as_deref(), s.session.as_deref(), s.at, turns, &named);
let kind = match (s.human, ask) {
(true, _) => "hand",
(_, Some(_)) => "ask",
@@ -359,6 +406,8 @@ fn hand_step(files: Vec) -> Vec {
impl MapState {
fn build(root: &Path) -> Result {
let files = scan::collect_files(root)?;
+ // stamped before they are read, so a write meanwhile is read again
+ let stamps = stamps_of(&files);
let caches = scan::build_caches(root, &files);
let withdrawn = scan::withdrawn_files(root, &files, &caches);
let seen = seen_of(root, &caches);
@@ -393,6 +442,9 @@ impl MapState {
// and only what the others share from here on
feed: Mutex::new(Feed { read: std::fs::metadata(feed_path(root)).map_or(0, |m| m.len()), ..Default::default() }),
asks: Mutex::new(AsksCache::default()),
+ inspects: Mutex::new(Default::default()),
+ rescanning: Default::default(),
+ stamps: Mutex::new(stamps),
audit: Mutex::new(None),
sast: Mutex::new(None),
deps: Mutex::new((String::new(), BTreeMap::new())),
@@ -449,37 +501,16 @@ impl MapState {
report
}
- fn rescan(&mut self) -> Result<(usize, usize)> {
- let before = self.caches.len();
- let files = scan::collect_files(&self.root)?;
- let caches = scan::build_caches(&self.root, &files);
- // read while the map still holds what a change by hand started from
- let drafts = self.found_drafts(&caches);
- self.caches = caches;
- self.withdrawn = scan::withdrawn_files(&self.root, &files, &self.caches);
- self.contracts = ContractIndex::for_root(&self.root, &self.caches);
- self.externals = manifest_deps(&self.root);
- self.facade = cargo_package_name(&self.root);
- self.ts = render::now_ts();
- self.invalidate();
- self.timeline_finish(drafts);
- Ok((before, self.caches.len()))
- }
-
- // swap in a fresh map (built outside lock by watcher)
- fn swap_in(&mut self, caches: Vec) {
- let drafts = self.found_drafts(&caches);
- self.caches = caches;
- // the watcher hands over caches alone; the walk is cheap next to the parse
- self.withdrawn = scan::collect_files(&self.root)
- .map(|files| scan::withdrawn_files(&self.root, &files, &self.caches))
- .unwrap_or_default();
- self.contracts = ContractIndex::for_root(&self.root, &self.caches);
- self.externals = manifest_deps(&self.root);
- self.facade = cargo_package_name(&self.root);
+ // a map read afresh from disk put in place of this one - see `swap_in`
+ fn swap(&mut self, fresh: Fresh) {
+ *self.stamps.get_mut().unwrap_or_else(|p| p.into_inner()) = fresh.stamps;
+ self.caches = fresh.caches;
+ self.withdrawn = fresh.withdrawn;
+ self.contracts = fresh.contracts;
+ self.externals = fresh.externals;
+ self.facade = fresh.facade;
self.ts = render::now_ts();
self.invalidate();
- self.timeline_finish(drafts);
}
// What changed on disk since the timeline last looked, other than through
@@ -611,6 +642,7 @@ impl MapState {
at: l.json["at"].as_u64().unwrap_or(0),
human: l.json["by"] == "human",
changeset: l.json["changeset"].as_str().map(str::to_string),
+ session: l.json["session"].as_str().map(str::to_string),
})
.collect();
let Some(first) = steps.first() else {
@@ -695,13 +727,13 @@ impl MapState {
// The first half of putting edit steps on the timeline: each split into
// the parts it is made of, a definition at a time, and read into an event
- // while the map still holds the side it started from - and, when a
- // visualiser is open, that side drawn.
+ // while the map still holds the side it started from. Nothing is drawn
+ // here - a page asks for a step's sides when it shows them, so an edit to
+ // a big project waits on no drawing.
fn timeline_begin(&self, tool: &str, steps: Vec) -> Vec {
if steps.is_empty() {
return Vec::new();
}
- let model = self.timeline().open().then(|| self.vis_model());
let lang_of = |p: &str| {
self.caches
.iter()
@@ -715,54 +747,42 @@ impl MapState {
.map(|(step, part)| {
let mut event = vis::event(0, now_ms(), tool, &step, lang_of);
event.json["part"] = part.as_ref().map_or(Value::Null, vis::Part::json);
- // a staged call starts where the calls before it left the file
- let unmapped = part.is_some() || step.status == "staged";
- let before = match &model {
- // a discarded step is drawn already, as the step that staged it
- Some(m) if step.status != "discarded" => self.side_of(m, &step, unmapped, &event.focus, false),
- _ => None,
- };
- Draft { step, event, before, unmapped }
+ Draft { step, event }
})
.collect()
}
// One side of a step drawn at its focus. A function's logic draws from the
- // step's own text through this map; a wider view of a side no map held -
- // a part's, a staged call's - draws from the map that text would make.
- fn side_of(&self, m: &vis::Model, step: &edit::Activity, unmapped: bool, focus: &vis::Focus, after: bool) -> Option> {
+ // step's own text through this map; a wider view draws from the map the
+ // side's text makes of this one - and a staged step's after side, which
+ // no map held, from the map it would leave.
+ fn side_of(&self, m: &vis::Model, step: &edit::Activity, focus: &vis::Focus, after: bool) -> Option> {
let flow = matches!(focus, vis::Focus::Flow(_));
- if unmapped && (!flow || (after && step.status == "staged")) {
+ if !flow || (after && step.status == "staged") {
let (caches, m) = self.proposed(step, after);
return m.snapshot(&caches, step, focus, after);
}
m.snapshot(&self.caches, step, focus, after)
}
- // The second half, once any write is folded into the map: each step's
- // after side drawn from the map it left, the steps logged, and this
- // server's own shared on the project's feed. A staged step is drawn from
- // the map it would leave, so it can be looked over before it is written.
+ // The second half, once any write is folded into the map: the steps
+ // logged, each keeping what its sides are drawn from, and this server's
+ // own shared on the project's feed.
fn timeline_finish(&self, drafts: Vec) {
if drafts.is_empty() {
return;
}
- let model = self.timeline().open().then(|| self.vis_model());
let mut logged = Vec::with_capacity(drafts.len());
// what each side held, kept as git objects so a saved replay draws it again
let mut kept = std::collections::HashMap::new();
for d in drafts {
- let after = match (&model, d.step.status) {
- (Some(m), "applied" | "reverted" | "edited" | "staged") => {
- self.side_of(m, &d.step, d.unmapped, &d.event.focus, true)
- }
- _ => None,
- };
let mut json = d.event.json;
if self.git && json["tool"] != ELSEWHERE {
json["texts"] = crate::replay::texts_of(&self.root, &d.step.files, &mut kept);
}
- logged.push(Logged { json, before: d.before, after });
+ // a discarded step is drawn already, as the step that staged it
+ let drawable = (d.step.status != "discarded").then(|| Arc::new((d.step, d.event.focus)));
+ logged.push(Logged { json, drawable, before: None, after: None });
}
let shared: Vec = {
let mut tl = self.timeline();
@@ -800,7 +820,7 @@ impl MapState {
.filter(|l| l.json["seq"].as_u64().is_some_and(|s| s > since))
.map(|l| {
let mut v = l.json.clone();
- v["snapshot"] = json!(l.before.is_some() || l.after.is_some());
+ v["snapshot"] = json!(l.drawable.is_some() || (self.git && drawable_json(&l.json)));
v
})
.collect();
@@ -813,31 +833,123 @@ impl MapState {
})
}
- // one step whole: the event and the level it happened on, drawn each side
+ // One step whole: the event and the level it happened on, drawn each side
+ // the first time a page asks - with the timeline let go meanwhile, as a
+ // big project's map takes a moment to draw - and kept for the next.
fn timeline_step(&self, seq: u64) -> Option {
- let tl = self.timeline();
- let l = tl.steps.iter().find(|l| l.json["seq"].as_u64() == Some(seq))?;
+ let at = |l: &&Logged| l.json["seq"].as_u64() == Some(seq);
+ let (json, drawable, mut before, mut after) = {
+ let tl = self.timeline();
+ let l = tl.steps.iter().find(at)?;
+ (l.json.clone(), l.drawable.clone(), l.before.clone(), l.after.clone())
+ };
+ // one logged before this server started, or shared by another, is put
+ // back together from the texts kept of it
+ let drawable = drawable.or_else(|| self.rebuilt(&json));
+ if let Some(d) = drawable.filter(|_| before.is_none() && after.is_none()) {
+ let (step, focus) = &*d;
+ let model = self.vis_model();
+ before = self.side_of(&model, step, focus, false);
+ if matches!(step.status, "applied" | "reverted" | "edited" | "staged") {
+ after = self.side_of(&model, step, focus, true);
+ }
+ let mut tl = self.timeline();
+ if let Some(l) = tl.steps.iter_mut().find(|l| l.json["seq"].as_u64() == Some(seq)) {
+ l.before = before.clone();
+ l.after = after.clone();
+ }
+ }
let side = |s: &Option>| s.as_deref().cloned().unwrap_or(Value::Null);
- Some(json!({"event": l.json, "before": side(&l.before), "after": side(&l.after)}))
+ Some(json!({"event": json, "before": side(&before), "after": side(&after)}))
+ }
+
+ // A step put back together from the texts the feed kept of it, as git
+ // objects - one logged before this server started, or shared by another
+ // server - so it is drawn like a step this server took. None without git,
+ // without texts, or with one of them gone.
+ fn rebuilt(&self, json: &Value) -> Option> {
+ if !self.git || !drawable_json(json) {
+ return None;
+ }
+ let status = match json["status"].as_str()? {
+ "staged" => "staged",
+ "applied" => "applied",
+ "reverted" => "reverted",
+ _ => "edited",
+ };
+ // a side the step had no file on is none; one it had must still be there
+ let text = |v: &Value| match v.as_str() {
+ Some(id) => crate::replay::text_of(&self.root, id).map(Some),
+ None => Some(None),
+ };
+ let mut files = Vec::new();
+ for t in json["texts"].as_array()? {
+ files.push(edit::FileText { path: t["path"].as_str()?.to_string(), before: text(&t["before"])?, after: text(&t["after"])? });
+ }
+ let step = edit::Activity {
+ changeset: json["changeset"].as_str().unwrap_or_default().to_string(),
+ status,
+ ops: Vec::new(),
+ files,
+ intent: Vec::new(),
+ };
+ let lang_of = |p: &str| {
+ self.caches
+ .iter()
+ .find(|c| crate::changes::path_str(&c.rel_path) == p)
+ .map(|c| c.language)
+ .or_else(|| crate::languages::Language::from_path(Path::new(p)))
+ };
+ let focus = vis::event(0, 0, json["tool"].as_str().unwrap_or_default(), &step, lang_of).focus;
+ Some(Arc::new((step, focus)))
}
- // An agent's look at the code through a read tool, logged as a step of
- // its own and shared - unless it is the look just logged.
+ // An agent's look at the code through a read tool, logged as an inspect
+ // of its own and shared - unless it is the look just logged.
fn timeline_look(&self, tool: &str, what: &str, sites: &[(String, usize, bool)]) {
let Some(ev) = vis::look(now_ms(), tool, what, sites, &self.caches) else {
return;
};
let shared = {
let mut tl = self.timeline();
- let again = tl.steps.back().is_some_and(|l| l.json["status"] == "read" && l.json["intent"] == ev.json["intent"]);
- if again {
+ if tl.holds(&ev.json) {
return;
}
- tl.log(Logged { json: ev.json, before: None, after: None })
+ tl.log(Logged::bare(ev.json))
};
self.feed_out(&[shared]);
}
+ // What agents read with their own tools since the last time - a `Read`,
+ // a `cat` - each an inspect logged and shared like a read tool's look.
+ fn timeline_inspects(&self) {
+ let reads = self.inspects.lock().unwrap_or_else(|p| p.into_inner()).fresh(&self.root);
+ self.timeline_reads(reads);
+ }
+
+ // reads onto the timeline, each once, whichever server's transcripts or feed it came by
+ fn timeline_reads(&self, reads: Vec) {
+ if reads.is_empty() {
+ return;
+ }
+ let shared: Vec = {
+ let mut tl = self.timeline();
+ let mut shared = Vec::new();
+ for r in reads {
+ let Some(mut ev) = vis::look(r.at_ms, &r.tool, &r.what(), &r.sites(&self.caches), &self.caches) else {
+ continue;
+ };
+ ev.json["call"] = json!(r.call);
+ ev.json["session"] = json!(r.session);
+ if !tl.holds(&ev.json) {
+ shared.push(tl.log(Logged::bare(ev.json)));
+ }
+ }
+ shared
+ };
+ self.feed_out(&shared);
+ }
+
// this server's own steps onto the project's shared feed
fn feed_out(&self, events: &[Value]) {
if events.is_empty() {
@@ -888,6 +1000,11 @@ impl MapState {
if v["server"].as_str() == Some(me.as_str()) || v["by"] == "human" {
continue;
}
+ as_inspect(&mut v);
+ // a read this server found in the same transcript first
+ if v["status"] == "inspect" && tl.holds(&v) {
+ continue;
+ }
let write = matches!(v["status"].as_str(), Some("applied" | "reverted"));
if let Some(id) = v["changeset"].as_str().filter(|_| write) {
if feed.ledgered.contains(id) {
@@ -898,7 +1015,7 @@ impl MapState {
if let Some(o) = v.as_object_mut() {
o.remove("server");
}
- tl.log(Logged { json: v, before: None, after: None });
+ tl.log(Logged::bare(v));
}
}
@@ -1004,17 +1121,83 @@ impl MapState {
}
+// A map read afresh from disk, everything in it worked out before any lock
+// on the map is taken.
+struct Fresh {
+ stamps: Fingerprint,
+ caches: Vec,
+ withdrawn: Vec,
+ contracts: ContractIndex,
+ externals: Vec,
+ facade: Option,
+}
+
+impl Fresh {
+ fn of(root: &Path, stamps: Fingerprint, caches: Vec) -> Fresh {
+ let files: Vec = stamps.keys().cloned().collect();
+ Fresh {
+ stamps,
+ withdrawn: scan::withdrawn_files(root, &files, &caches),
+ contracts: ContractIndex::for_root(root, &caches),
+ externals: manifest_deps(root),
+ facade: cargo_package_name(root),
+ caches,
+ }
+ }
+}
+
+// The project read again and put in place of the map. The parse takes no
+// lock, so a big project's rescan holds up no reader but for the swap - one
+// rescan at a time, so an older read never lands after a newer one.
+fn rescan(state: &RwLock) -> Result<(usize, usize, String)> {
+ let (root, one) = {
+ let map = state.read().expect("map lock poisoned");
+ (map.root.clone(), Arc::clone(&map.rescanning))
+ };
+ let _one = one.lock().unwrap_or_else(|p| p.into_inner());
+ let now = fingerprint(&root)?;
+ let caches = reparse(state, &root, &now);
+ Ok(swap_in(state, Fresh::of(&root, now, caches)))
+}
+
+// The project's files parsed, each unchanged since the map read it taken
+// from the map - an edit's rescan parses what it wrote, not the project.
+fn reparse(state: &RwLock, root: &Path, now: &Fingerprint) -> Vec {
+ let files: Vec = now.keys().cloned().collect();
+ let map = state.read().expect("map lock poisoned");
+ let was = map.stamps.lock().unwrap_or_else(|p| p.into_inner());
+ let held: std::collections::HashMap<&Path, &FileCache> = map.caches.iter().map(|c| (c.rel_path.as_path(), c)).collect();
+ scan::build_caches_reusing(root, &files, |f| {
+ let same = was.get(f).is_some_and(|s| now.get(f) == Some(s));
+ let c = held.get(f.strip_prefix(root).ok()?)?;
+ same.then(|| (*c).clone())
+ })
+}
+
+// A fresh map in place of the one held: what changed by hand read against the
+// map it started from, the write lock taken only for the swap. The files
+// before and after, and the generation it made.
+fn swap_in(state: &RwLock, fresh: Fresh) -> (usize, usize, String) {
+ let drafts = state.read().expect("map lock poisoned").found_drafts(&fresh.caches);
+ let done = {
+ let mut map = state.write().expect("map lock poisoned");
+ let before = map.caches.len();
+ map.swap(fresh);
+ (before, map.caches.len(), map.ts.clone())
+ };
+ state.read().expect("map lock poisoned").timeline_finish(drafts);
+ done
+}
+
// comps every mapped file with its mtime (unix nanos) and size.
type Fingerprint = BTreeMap;
fn fingerprint(root: &Path) -> Result {
- let mut fp = Fingerprint::new();
- for f in scan::collect_files(root)? {
- if let Ok(md) = std::fs::metadata(&f) {
- fp.insert(f, stamp(&md));
- }
- }
- Ok(fp)
+ Ok(stamps_of(&scan::collect_files(root)?))
+}
+
+fn stamps_of(files: &[PathBuf]) -> Fingerprint {
+ files.iter().filter_map(|f| std::fs::metadata(f).ok().map(|md| (f.clone(), stamp(&md)))).collect()
}
// a file's mtime (unix nanos) and size - it changed when either did
@@ -1037,17 +1220,18 @@ fn fingerprint_delta(a: &Fingerprint, b: &Fingerprint) -> usize {
changed + added
}
-fn check_and_rebuild(
- root: &Path,
- last: &Fingerprint,
-) -> Result, usize)>> {
+// the project read again if anything in it moved since the map read it
+fn check_and_rebuild(state: &RwLock, root: &Path) -> Result, usize)>> {
let now = fingerprint(root)?;
- if now == *last {
- return Ok(None);
- }
- let delta = fingerprint_delta(last, &now);
- let files: Vec = now.keys().cloned().collect();
- let caches = scan::build_caches(root, &files);
+ let delta = {
+ let map = state.read().expect("map lock poisoned");
+ let was = map.stamps.lock().unwrap_or_else(|p| p.into_inner());
+ if now == *was {
+ return Ok(None);
+ }
+ fingerprint_delta(&was, &now)
+ };
+ let caches = reparse(state, root, &now);
Ok(Some((now, caches, delta)))
}
@@ -1055,22 +1239,18 @@ fn check_and_rebuild(
// changes as they land, whoever makes them
fn spawn_watcher(state: Arc>, root: PathBuf, interval: std::time::Duration, while_open: bool) {
std::thread::spawn(move || {
- let mut last = fingerprint(&root).unwrap_or_default();
let mut warned = false;
loop {
std::thread::sleep(interval);
if while_open && !state.read().expect("map lock poisoned").timeline().open() {
continue;
}
- match check_and_rebuild(&root, &last) {
+ let one = Arc::clone(&state.read().expect("map lock poisoned").rescanning);
+ let _one = one.lock().unwrap_or_else(|p| p.into_inner());
+ match check_and_rebuild(&state, &root) {
Ok(Some((fp, caches, delta))) => {
let n = caches.len();
- let ts = {
- let mut map = state.write().expect("map lock poisoned");
- map.swap_in(caches);
- map.ts.clone()
- };
- last = fp;
+ let (_, _, ts) = swap_in(&state, Fresh::of(&root, fp, caches));
warned = false;
println!("map refreshed: {n} files ({delta} changed) at {ts}");
}
@@ -1087,6 +1267,17 @@ fn spawn_watcher(state: Arc>, root: PathBuf, interval: std::tim
});
}
+// how often agents' transcripts are read for what they read with their own tools
+const INSPECT_EVERY: std::time::Duration = std::time::Duration::from_secs(2);
+
+// what agents read with their own tools lands on the timeline as they read it
+fn spawn_inspector(state: Arc>) {
+ std::thread::spawn(move || loop {
+ std::thread::sleep(INSPECT_EVERY);
+ state.read().unwrap_or_else(|p| p.into_inner()).timeline_inspects();
+ });
+}
+
// `prefix` narrows the overview to one subtree; totals then describe the
// filtered set, with the project-wide file count kept alongside so a filtered
// answer can never be mistaken for the whole project
@@ -4446,15 +4637,8 @@ fn mcp_tool_call(state: &RwLock, params: &Value, browser: bool) -> Res
}
if name == "refresh" {
- let mut map = state.write().expect("map lock poisoned");
- return match map.rescan() {
- Ok((before, after)) => Ok(mcp_md(
- &format!(
- "rescanned: {before} -> {after} files (generated {})",
- map.ts
- ),
- false,
- )),
+ return match rescan(state) {
+ Ok((before, after, ts)) => Ok(mcp_md(&format!("rescanned: {before} -> {after} files (generated {ts})"), false)),
Err(e) => Ok(mcp_md(&format!("error: {e}"), true)),
};
}
@@ -4746,9 +4930,8 @@ fn edit_tool_call(state: &RwLock, name: &str, args: &Value) -> Value {
};
// a write landed - fold it into the map before anyone asks again
if done.wrote {
- let mut map = state.write().expect("map lock poisoned");
- match map.rescan() {
- Ok((_, after)) => text.push_str(&format!("map rescanned: {after} files (generated {})\n", map.ts)),
+ match rescan(state) {
+ Ok((_, after, ts)) => text.push_str(&format!("map rescanned: {after} files (generated {ts})\n")),
Err(e) => text.push_str(&format!("the map did not rescan ({e}) - call `refresh`\n")),
}
}
@@ -5322,17 +5505,14 @@ fn route_from(state: &RwLock, method: &str, url: &str, body: &[u8], or
status: 204,
body: ReplyBody::Empty,
},
- ("POST", "/refresh") => {
- let mut map = state.write().expect("map lock poisoned");
- match map.rescan() {
- Ok((before, after)) => ok(json!({
- "files_before": before,
- "files_after": after,
- "generated": map.ts,
- })),
- Err(e) => bad(500, format!("rescan failed: {e:#}")),
- }
- }
+ ("POST", "/refresh") => match rescan(state) {
+ Ok((before, after, ts)) => ok(json!({
+ "files_before": before,
+ "files_after": after,
+ "generated": ts,
+ })),
+ Err(e) => bad(500, format!("rescan failed: {e:#}")),
+ },
("POST", "/mcp") => {
let msg: Value = match serde_json::from_slice(body) {
Ok(v) => v,
@@ -5441,6 +5621,8 @@ pub fn serve(root: &Path, opts: &ServeOptions) -> Result<()> {
}
}
+ spawn_inspector(Arc::clone(&state));
+
let server = Arc::new(server);
let mut workers = Vec::new();
for _ in 0..4 {
@@ -6613,25 +6795,28 @@ mod tests {
fs::create_dir_all(&dir).unwrap();
fs::write(dir.join("a.rs"), "fn one() {}\n").unwrap();
- let fp0 = fingerprint(&dir).unwrap();
- assert!(check_and_rebuild(&dir, &fp0).unwrap().is_none());
+ let state = RwLock::new(MapState::build(&dir).unwrap());
+ assert!(check_and_rebuild(&state, &dir).unwrap().is_none());
+ // the change found, and the map it makes swapped in
+ let next = || {
+ let (fp, caches, delta) = check_and_rebuild(&state, &dir).unwrap().expect("a change");
+ let names: Vec = caches.iter().flat_map(|c| c.funcs.iter().map(|f| f.name.clone())).collect();
+ swap_in(&state, Fresh::of(&dir, fp, caches));
+ (names, delta)
+ };
// appended function shows up in the fresh map
fs::write(dir.join("a.rs"), "fn one() {}\nfn two() {}\n").unwrap();
- let (fp1, caches, delta) = check_and_rebuild(&dir, &fp0).unwrap().expect("edit detected");
- assert_eq!(delta, 1);
- assert!(caches[0].funcs.iter().any(|f| f.name == "two"));
+ assert_eq!(next(), (vec!["one".to_string(), "two".to_string()], 1));
- // add a file
+ // a file added is parsed, and the one beside it kept as it was read
fs::write(dir.join("b.rs"), "fn three() {}\n").unwrap();
- let (fp2, caches, _) = check_and_rebuild(&dir, &fp1).unwrap().expect("add detected");
- assert_eq!(caches.len(), 2);
+ assert_eq!(next().0, ["one", "two", "three"]);
- // delete it again q
+ // and deleted again
fs::remove_file(dir.join("b.rs")).unwrap();
- let (_, caches, delta) = check_and_rebuild(&dir, &fp2).unwrap().expect("delete detected");
- assert_eq!(caches.len(), 1);
- assert_eq!(delta, 1);
+ assert_eq!(next(), (vec!["one".to_string(), "two".to_string()], 1));
+ assert!(check_and_rebuild(&state, &dir).unwrap().is_none());
let _ = fs::remove_dir_all(&dir);
}
@@ -7591,6 +7776,29 @@ mod tests {
assert_eq!(who, [("agent", "staged"), ("agent", "staged"), ("agent", "applied"), ("agent", "applied")]);
}
+ // A step logged before a restart is drawn all the same: the texts the
+ // feed kept of it are git objects, and the step is put back together
+ // from them when a page asks to see it.
+ #[test]
+ fn a_step_from_before_a_restart_is_drawn_from_its_kept_texts() {
+ let (dir, before) = scratch("rebuilt", &[("src/pay.rs", "pub fn charge(n: i32) -> i32 {\n n\n}\n")]);
+ let git = |args: &[&str]| std::process::Command::new("git").arg("-C").arg(&dir.0).args(args).output().unwrap();
+ git(&["init", "-q"]);
+ drop(before);
+ let before = RwLock::new(MapState::build(&dir.0).unwrap());
+ let (err, out) = tool(&before, "edit_text", json!({"path": "src/pay.rs", "old": " n\n", "new": " n + 1\n", "apply": true}));
+ assert!(!err, "{out}");
+ drop(before);
+ let after = RwLock::new(MapState::build(&dir.0).unwrap());
+ let all = json_of(&route(&after, "GET", "/vis/events?since=0", b"")).clone();
+ let step = all["events"].as_array().unwrap().iter().find(|e| e["status"] == "applied").expect("the write").clone();
+ assert_eq!(step["snapshot"], true, "{step}");
+ let seq = step["seq"].as_u64().unwrap();
+ let drawn = json_of(&route(&after, "GET", &format!("/vis/event?seq={seq}"), b"")).clone();
+ assert_eq!(drawn["before"]["function"]["name"], "charge", "{drawn}");
+ assert!(!drawn["after"].is_null(), "{drawn}");
+ }
+
// A server started on a project picks the timeline up where the servers
// before it left it, so a restart loses none of what agents did.
#[test]
@@ -7609,7 +7817,7 @@ mod tests {
.map(|e| (e["seq"].as_u64().unwrap(), e["status"].as_str().unwrap()))
.collect();
// staged and written in one call, the change is its write alone
- assert_eq!(steps, [(1, "read"), (2, "applied")]);
+ assert_eq!(steps, [(1, "inspect"), (2, "applied")]);
}
// Two servers on one project share what the ledger cannot carry: one
@@ -7636,7 +7844,7 @@ mod tests {
.iter()
.map(|e| (e["status"].as_str().unwrap(), e["tool"].as_str().unwrap(), e["focus"]["name"].as_str().unwrap_or("-")))
.collect();
- assert_eq!(steps, [("read", "references", "charge"), ("applied", "edit_text", "fee"), ("applied", "edit_text", "charge")]);
+ assert_eq!(steps, [("inspect", "references", "charge"), ("applied", "edit_text", "fee"), ("applied", "edit_text", "charge")]);
}
// An agent's reads land on the timeline as looks at what they named - the
@@ -7662,12 +7870,58 @@ mod tests {
.iter()
.map(|e| (e["status"].as_str().unwrap(), e["intent"][0].as_str().unwrap(), e["focus"]["level"].as_str().unwrap()))
.collect();
- assert_eq!(looks, [("read", "references charge", "flow"), ("read", "file src/pay.rs", "code")]);
+ assert_eq!(looks, [("inspect", "references charge", "flow"), ("inspect", "file src/pay.rs", "code")]);
assert_eq!(all["events"][0]["focus"]["name"], "charge");
let marked: Vec<&str> = all["events"][0]["functions"].as_array().unwrap().iter().map(|f| f["name"].as_str().unwrap()).collect();
assert_eq!(marked, ["charge", "refund"]);
}
+ // What an agent read with its own tools lands as an inspect too - the
+ // function its lines lie in, the file a whole read took - each call once,
+ // and nothing for a file the map does not hold.
+ #[test]
+ fn an_agents_own_reads_land_on_the_timeline_as_inspects() {
+ let (_dir, state) = scratch(
+ "inspects",
+ &[("src/pay.rs", "pub fn charge(n: i32) -> i32 {\n n\n}\n\npub fn refund(n: i32) -> i32 {\n charge(-n)\n}\n")],
+ );
+ let read = |call: &str, tool: &str, path: &str, lines| crate::inspect::Read {
+ at_ms: 1,
+ session: "s1".into(),
+ call: call.into(),
+ tool: tool.into(),
+ path: path.into(),
+ lines,
+ };
+ let map = state.read().unwrap();
+ map.timeline_reads(vec![read("t1", "Read", "src/pay.rs", Some((6, 6))), read("t2", "Bash", "src/pay.rs", None), read("t3", "Read", "notes.txt", None)]);
+ map.timeline_reads(vec![read("t1", "Read", "src/pay.rs", Some((6, 6)))]);
+ drop(map);
+ let all = json_of(&route(&state, "GET", "/vis/events?since=0", b"")).clone();
+ let got: Vec<(&str, &str, &str, &str)> = all["events"]
+ .as_array()
+ .unwrap()
+ .iter()
+ .map(|e| (e["status"].as_str().unwrap(), e["intent"][0].as_str().unwrap(), e["focus"]["level"].as_str().unwrap(), e["call"].as_str().unwrap()))
+ .collect();
+ assert_eq!(got, [("inspect", "Read src/pay.rs:6", "flow", "t1"), ("inspect", "Bash src/pay.rs", "code", "t2")]);
+ assert_eq!(all["events"][0]["focus"]["name"], "refund");
+ assert_eq!(all["events"][0]["session"], "s1");
+ let fed = fs::read_to_string(feed_path(&state.read().unwrap().root)).unwrap();
+ assert_eq!(fed.lines().count(), 2, "{fed}");
+ }
+
+ // A feed written before looks were inspects reads back as inspects.
+ #[test]
+ fn a_read_from_before_reads_back_as_an_inspect() {
+ let mut v = json!({"status": "read", "files": [{"change": "read"}], "functions": [{"change": "read"}], "focus": {"change": "read"}});
+ as_inspect(&mut v);
+ assert_eq!(v, json!({"status": "inspect", "files": [{"change": "inspect"}], "functions": [{"change": "inspect"}], "focus": {"change": "inspect"}}));
+ let mut code = json!({"status": "read", "focus": {"level": "code"}});
+ as_inspect(&mut code);
+ assert_eq!(code, json!({"status": "inspect", "focus": {"level": "code"}}));
+ }
+
// Each step is put down to the ask whose calls named its changeset - the
// latest made before it, since a changeset staged under one ask can be
// applied under the next - and changes made by hand run on their own.
@@ -7690,6 +7944,7 @@ mod tests {
at: secs * 1000,
human,
changeset: changeset.map(str::to_string),
+ session: None,
};
let turns = [turn("a", 100, &["c1"]), turn("b", 200, &["c1", "c2"])];
let steps = [
diff --git a/src/vis.rs b/src/vis.rs
index 0f25aa5..a31a651 100644
--- a/src/vis.rs
+++ b/src/vis.rs
@@ -1314,7 +1314,7 @@ pub fn look(at_ms: u64, tool: &str, what: &str, sites: &[(String, usize, bool)],
file: path.clone(),
name: f.name.clone(),
owner: f.owner.clone(),
- change: "read",
+ change: "inspect",
before: None,
after: Some(span),
lines_before: Vec::new(),
@@ -1342,14 +1342,14 @@ pub fn look(at_ms: u64, tool: &str, what: &str, sites: &[(String, usize, bool)],
"at": at_ms,
"tool": tool,
"changeset": Value::Null,
- "status": "read",
+ "status": "inspect",
"by": "agent",
"intent": [asked],
"on_disk": "after",
"ops": [],
"files": files
.iter()
- .map(|p| json!({"path": p, "change": "read", "added": 0, "removed": 0, "hunks": [], "diff": [], "diff_truncated": false, "whitespace": false}))
+ .map(|p| json!({"path": p, "change": "inspect", "added": 0, "removed": 0, "hunks": [], "diff": [], "diff_truncated": false, "whitespace": false}))
.collect::>(),
"files_total": files.len(),
"whitespace": false,
@@ -2906,8 +2906,8 @@ f :: proc(x: int) -> int {
let sites = [("src/pay.rs".to_string(), 1, true), ("src/pay.rs".to_string(), 4, false)];
let ev = look(0, "references", "charge", &sites, &caches).expect("a look");
let Focus::Flow(t) = &ev.focus else { panic!("{:?}", ev.focus) };
- assert_eq!((t.name.as_str(), t.change), ("charge", "read"));
- assert_eq!(ev.json["status"], "read");
+ assert_eq!((t.name.as_str(), t.change), ("charge", "inspect"));
+ assert_eq!(ev.json["status"], "inspect");
assert_eq!(ev.json["intent"], json!(["references charge"]));
let names: Vec<&str> = ev.json["functions"].as_array().unwrap().iter().map(|f| f["name"].as_str().unwrap()).collect();
assert_eq!(names, ["charge", "refund"]);
From 9ef6b1fa05139fe4e921aef92a80448a665619bc Mon Sep 17 00:00:00 2001
From: colwill <62014134+colwill@users.noreply.github.com>
Date: Sun, 4 Oct 2026 01:47:02 +0100
Subject: [PATCH 2/2] fix: image
---
visual.png | Bin 125337 -> 124911 bytes
1 file changed, 0 insertions(+), 0 deletions(-)
diff --git a/visual.png b/visual.png
index d267e3d7d9b66bf6cb200ba94e453df7b7a1a8a8..068a22e4c3dc4d6d9009a82658e141b9d6d3bc3c 100644
GIT binary patch
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