First pass README updates

author: Cliff Click <cliffc@acm.org> 2026-10-02 13:04:34 -0700
committer: Cliff Click <cliffc@acm.org> 2026-10-02 13:04:34 -0700
commit: e4dc3273f201ae741637b626998637cce973546b (patch)
tree: 7607c1da4378da42549e8142371d95bdca4e06e0 /chapter03/docs
parent: 6cd01a8d646750748a0af221073de8a7787472ad (diff)
download: Simple-e4dc3273f201ae741637b626998637cce973546b.tar.gz
Simple-e4dc3273f201ae741637b626998637cce973546b.zip
11 files changed, 523 insertions, 690 deletions
diff --git a/chapter03/docs/03-graph1.json b/chapter03/docs/03-graph1.json
new file mode 100644
index 00000000..5dce5431
--- /dev/null
+++ b/chapter03/docs/03-graph1.json
@@ -0,0 +1,17 @@
+{
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+  "comp": "chapter03/docs/03-graph1.svg",
+  "step": 1,
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+  "scope": 0,
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+    {"id": 2, "label": "Start", "type": null, "kind": "CTRL", "edges": [], "proj": null},
+    {"id": 3, "label": "#1", "type": null, "kind": "DATA", "edges": [{"idx": 0, "def": 2, "role": "ASSOC", "label": null}], "proj": null},
+    {"id": 4, "label": "#2", "type": null, "kind": "DATA", "edges": [{"idx": 0, "def": 2, "role": "ASSOC", "label": null}], "proj": null},
+    {"id": 6, "label": "#3", "type": null, "kind": "DATA", "edges": [{"idx": 0, "def": 2, "role": "ASSOC", "label": null}], "proj": null},
+    {"id": 7, "label": "+", "type": null, "kind": "DATA", "edges": [{"idx": 0, "def": 0, "role": "DATA", "label": null}, {"idx": 1, "def": 3, "role": "DATA", "label": null}, {"idx": 2, "def": 6, "role": "DATA", "label": null}], "proj": null}
+  ],
+  "groups": [
+  ]
+}
diff --git a/chapter03/docs/03-graph1.svg b/chapter03/docs/03-graph1.svg
index ab6f9600..9ad933d5 100644
--- a/chapter03/docs/03-graph1.svg
+++ b/chapter03/docs/03-graph1.svg
@@ -1,136 +1,86 @@
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+Type not computed
+
+[0] → #3  ASSOC  0: a
+[1] → #4  ASSOC  0: b
+[2] → #7  ASSOC  0: c
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+Type not computed
+
+</title></g><g class="node" id="n3" data-id="3" transform="translate(176,30)" style="opacity: 1;"><path class="box" d="M14,0H106Q120,0 120,14V30Q120,44 106,44H14Q0,44 0,30V14Q0,0 14,0Z" fill="#edf3f7"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>#1</tspan><tspan class="node-id">  #3</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#3 #1
+Type not computed
+
+[0] → #2  ASSOC</title><circle class="port" cx="60" cy="-3" r="3" fill="#536477"/><text class="slot" x="60" y="-10" text-anchor="middle">0</text></g><g class="node" id="n4" data-id="4" transform="translate(328,30)" style="opacity: 1;"><path class="box" d="M14,0H106Q120,0 120,14V30Q120,44 106,44H14Q0,44 0,30V14Q0,0 14,0Z" fill="#edf3f7"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>#2</tspan><tspan class="node-id">  #4</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#4 #2
+Type not computed
+
+[0] → #2  ASSOC</title><circle class="port" cx="60" cy="-3" r="3" fill="#536477"/><text class="slot" x="60" y="-10" text-anchor="middle">0</text></g><g class="node" id="n6" data-id="6" transform="translate(480,30)" style="opacity: 1;"><path class="box" d="M14,0H106Q120,0 120,14V30Q120,44 106,44H14Q0,44 0,30V14Q0,0 14,0Z" fill="#edf3f7"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>#3</tspan><tspan class="node-id">  #6</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#6 #3
+Type not computed
+
+[0] → #2  ASSOC</title><circle class="port" cx="60" cy="-3" r="3" fill="#536477"/><text class="slot" x="60" y="-10" text-anchor="middle">0</text></g><g class="node" id="n7" data-id="7" transform="translate(176,134)" style="opacity: 1;"><path class="box" d="M14,0H106Q120,0 120,14V30Q120,44 106,44H14Q0,44 0,30V14Q0,0 14,0Z" fill="#edf3f7"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>+</tspan><tspan class="node-id">  #7</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#7 +
+Type not computed
+
+[0] → —  DATA
+[1] → #3  DATA
+[2] → #6  DATA</title><circle class="port" cx="30" cy="-3" r="3" fill="white"/><circle class="port" cx="60" cy="-3" r="3" fill="#536477"/><circle class="port" cx="90" cy="-3" r="3" fill="#536477"/><text class="slot" x="30" y="-10" text-anchor="middle">0</text><text class="slot" x="60" y="-10" text-anchor="middle">1</text><text class="slot" x="90" y="-10" text-anchor="middle">2</text></g></g><g class="region-heads" style="opacity: 1;"/><g class="shortcuts" style="opacity: 1;"/><g class="peep-ghosts" pointer-events="none"/></g></svg>
diff --git a/chapter03/docs/03-graph2.json b/chapter03/docs/03-graph2.json
new file mode 100644
index 00000000..80397161
--- /dev/null
+++ b/chapter03/docs/03-graph2.json
@@ -0,0 +1,18 @@
+{
+  "ver": 1,
+  "comp": "chapter03/docs/03-graph2.svg",
+  "step": 1,
+  "roots": [],
+  "scope": 0,
+  "nodes": [
+    {"id": 1, "label": "Scope", "type": null, "kind": "SCOPE", "edges": [{"idx": 0, "def": 3, "role": "ASSOC", "label": "0: a"}, {"idx": 1, "def": 4, "role": "ASSOC", "label": "0: b"}, {"idx": 2, "def": 7, "role": "ASSOC", "label": "0: c"}], "proj": null},
+    {"id": 2, "label": "Start", "type": null, "kind": "CTRL", "edges": [], "proj": null},
+    {"id": 3, "label": "#1", "type": null, "kind": "DATA", "edges": [{"idx": 0, "def": 2, "role": "ASSOC", "label": null}], "proj": null},
+    {"id": 4, "label": "#2", "type": null, "kind": "DATA", "edges": [{"idx": 0, "def": 2, "role": "ASSOC", "label": null}], "proj": null},
+    {"id": 6, "label": "#3", "type": null, "kind": "DATA", "edges": [{"idx": 0, "def": 2, "role": "ASSOC", "label": null}], "proj": null},
+    {"id": 7, "label": "+", "type": null, "kind": "DATA", "edges": [{"idx": 0, "def": 0, "role": "DATA", "label": null}, {"idx": 1, "def": 3, "role": "DATA", "label": null}, {"idx": 2, "def": 6, "role": "DATA", "label": null}], "proj": null},
+    {"id": 8, "label": "Return", "type": null, "kind": "CTRL", "edges": [{"idx": 0, "def": 2, "role": "CTRL", "label": null}, {"idx": 1, "def": 7, "role": "DATA", "label": null}], "proj": null}
+  ],
+  "groups": [
+  ]
+}
diff --git a/chapter03/docs/03-graph2.svg b/chapter03/docs/03-graph2.svg
index 0a539c6a..d59e5dc0 100644
--- a/chapter03/docs/03-graph2.svg
+++ b/chapter03/docs/03-graph2.svg
@@ -1,137 +1,89 @@
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- "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
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-<title>chapter03</title>
-<polygon fill="white" stroke="transparent" points="-4,4 -4,-288 356,-288 356,4 -4,4"/>
-<g id="clust1" class="cluster">
-<title>cluster_Nodes</title>
-<polygon fill="none" stroke="black" points="8,-8 8,-276 242,-276 242,-8 8,-8"/>
-</g>
-<g id="clust2" class="cluster">
-<title>cluster_Scope1_0</title>
-<polygon fill="none" stroke="black" points="250,-8 250,-60 344,-60 344,-8 250,-8"/>
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-<text text-anchor="middle" x="99" y="-246.3" font-family="Times,serif" font-size="14.00">Start</text>
-</g>
-<!-- Con_3 -->
-<g id="node2" class="node">
-<title>Con_3</title>
-<ellipse fill="none" stroke="black" cx="135" cy="-178" rx="27" ry="18"/>
-<text text-anchor="middle" x="135" y="-174.3" font-family="Times,serif" font-size="14.00">#1</text>
-</g>
-<!-- Con_3&#45;&gt;Start2 -->
-<g id="edge1" class="edge">
-<title>Con_3&#45;&gt;Start2</title>
-<path fill="none" stroke="black" stroke-dasharray="1,5" d="M126.65,-195.24C122.46,-203.39 117.27,-213.47 112.53,-222.69"/>
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-<title>Con_4</title>
-<ellipse fill="none" stroke="black" cx="207" cy="-178" rx="27" ry="18"/>
-<text text-anchor="middle" x="207" y="-174.3" font-family="Times,serif" font-size="14.00">#2</text>
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-<!-- Con_4&#45;&gt;Start2 -->
-<g id="edge2" class="edge">
-<title>Con_4&#45;&gt;Start2</title>
-<path fill="none" stroke="black" stroke-dasharray="1,5" d="M188.19,-191.19C173.23,-200.89 151.89,-214.72 133.84,-226.42"/>
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-<text text-anchor="middle" x="185.19" y="-193.79" font-family="Helvetica,sans-Serif" font-size="8.00">0</text>
-</g>
-<!-- Con_6 -->
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-<title>Con_6</title>
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-<text text-anchor="middle" x="63" y="-174.3" font-family="Times,serif" font-size="14.00">#3</text>
-</g>
-<!-- Con_6&#45;&gt;Start2 -->
-<g id="edge3" class="edge">
-<title>Con_6&#45;&gt;Start2</title>
-<path fill="none" stroke="black" stroke-dasharray="1,5" d="M71.35,-195.24C75.54,-203.39 80.73,-213.47 85.47,-222.69"/>
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-<text text-anchor="middle" x="68.35" y="-197.84" font-family="Helvetica,sans-Serif" font-size="8.00">0</text>
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-<!-- Add7 -->
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-<title>Add7</title>
-<ellipse fill="none" stroke="black" cx="71" cy="-106" rx="27" ry="18"/>
-<text text-anchor="middle" x="71" y="-102.3" font-family="Times,serif" font-size="14.00">+</text>
-</g>
-<!-- Add7&#45;&gt;Con_3 -->
-<g id="edge4" class="edge">
-<title>Add7&#45;&gt;Con_3</title>
-<path fill="none" stroke="black" d="M84.57,-121.85C93.31,-131.4 104.83,-144.01 114.66,-154.75"/>
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-<g id="edge5" class="edge">
-<title>Add7&#45;&gt;Con_6</title>
-<path fill="none" stroke="black" d="M69.02,-124.3C68.14,-132.02 67.08,-141.29 66.1,-149.89"/>
-<polygon fill="black" stroke="black" points="62.61,-149.56 64.95,-159.9 69.57,-150.36 62.61,-149.56"/>
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-<title>Return8</title>
-<polygon fill="yellow" stroke="black" points="89,-52 23,-52 23,-16 89,-16 89,-52"/>
-<text text-anchor="middle" x="56" y="-30.3" font-family="Times,serif" font-size="14.00">Return</text>
-</g>
-<!-- Return8&#45;&gt;Start2 -->
-<g id="edge6" class="edge">
-<title>Return8&#45;&gt;Start2</title>
-<path fill="none" stroke="red" d="M46.1,-52.47C30.13,-83.17 2.78,-148.1 27,-196 34.7,-211.23 49.06,-223.15 62.94,-231.8"/>
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-</g>
-<!-- Return8&#45;&gt;Add7 -->
-<g id="edge7" class="edge">
-<title>Return8&#45;&gt;Add7</title>
-<path fill="none" stroke="black" d="M59.71,-52.3C61.36,-60.02 63.35,-69.29 65.19,-77.89"/>
-<polygon fill="black" stroke="black" points="61.82,-78.85 67.33,-87.9 68.66,-77.38 61.82,-78.85"/>
-<text text-anchor="middle" x="56.71" y="-54.9" font-family="Helvetica,sans-Serif" font-size="8.00">1</text>
-</g>
-<!-- Scope1_0 -->
-<g id="node7" class="node">
-<title>Scope1_0</title>
-<polygon fill="cyan" stroke="transparent" points="267,-23 267,-44 283,-44 283,-23 267,-23"/>
-<polygon fill="none" stroke="black" points="267,-23 267,-44 283,-44 283,-23 267,-23"/>
-<text text-anchor="start" x="270" y="-29.8" font-family="Times,serif" font-size="14.00">0</text>
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-</g>
-<!-- Scope1_0&#45;&gt;Con_3 -->
-<g id="edge8" class="edge">
-<title>Scope1_0:Scope1_0_a&#45;&gt;Con_3</title>
-<path fill="none" stroke="cornflowerblue" stroke-dasharray="5,2" d="M290,-45C290,-77.9 208.02,-132.76 163.3,-160.24"/>
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-<!-- Scope1_0&#45;&gt;Con_4 -->
-<g id="edge9" class="edge">
-<title>Scope1_0:Scope1_0_b&#45;&gt;Con_4</title>
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-<polygon fill="cornflowerblue" stroke="cornflowerblue" points="231.47,-155.56 225.62,-164.4 235.7,-161.14 231.47,-155.56"/>
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-</g>
-</g>
-</svg>
+<svg aria-label="Compiler graph" width="840" height="312" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 840 312" style="font-family: sans-serif;"><style>
+    html, body { height:100%; margin:0; font-family:sans-serif; }
+    .viewer { height:100%; display:grid; grid-template-rows:auto minmax(0,1fr) auto; }
+    .source { padding:8px; border-bottom:1px solid #ccc; }
+    #program { width:min(600px,80vw); vertical-align:middle; }
+    #status { margin-top:4px; }
+    #graph { min-height:0; overflow:hidden; position:relative; background:#fafbfc; }
+    #elk { width:100%; height:100%; }
+    #graph svg { display:block; }
+    .tools { display:flex; flex-wrap:wrap; align-items:center; gap:14px; margin-top:8px; font-size:12px; }
+    .hint { color:#616c78; }
+    .ctrl { color:#b63838; } .mem { color:#2867b2; } .data { color:#536477; }
+    .edge { fill:none; stroke-width:1.5; }
+    .edge.CTRL { stroke-width:2; }
+    .edge.ASSOC { stroke-dasharray:4 4; }
+    .edge.PARSER { stroke-dasharray:5 4; }
+    .parser rect { fill:#f6f0ff; stroke:#7956a5; stroke-width:1.5; stroke-dasharray:5 4; }
+    .edge.selected { stroke-width:3.5; }
+    .edge.bundle { stroke-width:4; }
+    .edge.bundle.selected { stroke-width:6; }
+    .edge-hit { fill:none; stroke:transparent; stroke-width:12; vector-effect:non-scaling-stroke; pointer-events:stroke; cursor:pointer; }
+    .edge-jump { fill:transparent; pointer-events:all; cursor:pointer; }
+    .node { cursor:pointer; }
+    .box { stroke:#758191; stroke-width:1; }
+    .node.held .box { stroke-dasharray:5 3; }
+    .node.near .box { stroke:#c18221; stroke-width:2; }
+    .node.focus .box { stroke:#9c4900; stroke-width:3; }
+    .node.selected .box { stroke:#1569b9; stroke-width:3; }
+    .node.folded .box { stroke-width:4; }
+    .node.folding .box { fill:#f4ccd7; }
+    .fold-tag { font-size:9px; font-weight:700; fill:#963751; }
+    .peep-area { fill:#fff3d9; fill-opacity:.8; stroke:#c18221; stroke-width:2; pointer-events:none; }
+    .node.peep-edit .box { stroke:#9c4900; stroke-width:3; }
+    .node.error .box { stroke:#b42318; stroke-width:4; }
+    #event.error { color:#b42318; font-weight:600; white-space:pre-wrap; overflow-wrap:anywhere; }
+    .peep-ghosts { pointer-events:none; }
+    .region-box { stroke:#9da9b8; stroke-width:1.5; }
+    .fold-btn { cursor:pointer; }
+    .fold-btn rect { fill:white; stroke:#596674; }
+    .fold-btn text { font-size:14px; fill:#152330; }
+    .fold-btn:focus rect { stroke:#1569b9; stroke-width:2; }
+    .shortcut { cursor:pointer; }
+    .shortcut path { fill:none; stroke-width:1.5; }
+    .shortcut rect { fill:#fff8ec; stroke:#b63838; stroke-dasharray:3 2; }
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+    .label { font-size:12px; fill:#152330; font-weight:600; }
+    .node-id { font-size:10px; fill:#596674; font-weight:400; }
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+    .row { stroke:#b6afcf; stroke-width:1; }
+    .bind { font-size:12px; fill:#152330; }
+    .slot { font-size:10px; fill:#364352; paint-order:stroke; stroke:#fafbfc; stroke-width:3; }
+    #detail { position:absolute; top:8px; right:8px; margin:0; padding:12px; max-width:320px;
+      max-height:45%; overflow:auto; white-space:pre-wrap; overflow-wrap:anywhere;
+      background:#fffffff2; border:1px solid #bac5d0; border-radius:4px; font-size:12px; }
+    .controls { display:flex; flex-wrap:wrap; justify-content:center; align-items:center; gap:6px; padding:6px; }
+    .button { color:white; background:black; font-size:20px; min-width:30px; }
+    .button:disabled { background:grey; }
+    .count { font-size:20px; min-width:35px; text-align:center; }
+    #N { width:6ch; }
+    #scrub { width:clamp(120px,35vw,600px); }
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+Type not computed
+
+[0] → #3  ASSOC  0: a
+[1] → #4  ASSOC  0: b
+[2] → #7  ASSOC  0: c</title><line class="row" x1="0" x2="144" y1="30" y2="30"/><line class="row" x1="48" x2="48" y1="0" y2="30"/><line class="row" x1="96" x2="96" y1="0" y2="30"/><text class="bind" x="24" y="20" text-anchor="middle">0: a</text><text class="bind" x="72" y="20" text-anchor="middle">0: b</text><text class="bind" x="120" y="20" text-anchor="middle">0: c</text><circle class="port" cx="24" cy="0" r="3" fill="#536477"/><circle class="port" cx="72" cy="0" r="3" fill="#536477"/><circle class="port" cx="120" cy="0" r="3" fill="#536477"/><text class="slot" x="24" y="-7" text-anchor="middle">0</text><text class="slot" x="72" y="-7" text-anchor="middle">1</text><text class="slot" x="120" y="-7" text-anchor="middle">2</text></g><g class="node" id="n2" data-id="2" transform="translate(24,134)" style="opacity: 1;"><path class="box" d="M0,0H120V44H0Z" fill="#fff1c4"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>Start</tspan><tspan class="node-id">  #2</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#2 Start
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+Type not computed
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+Type not computed
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+Type not computed
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+Type not computed
+
+[0] → —  DATA
+[1] → #3  DATA
+[2] → #6  DATA</title><circle class="port" cx="30" cy="-3" r="3" fill="white"/><circle class="port" cx="60" cy="-3" r="3" fill="#536477"/><circle class="port" cx="90" cy="-3" r="3" fill="#536477"/><text class="slot" x="30" y="-10" text-anchor="middle">0</text><text class="slot" x="60" y="-10" text-anchor="middle">1</text><text class="slot" x="90" y="-10" text-anchor="middle">2</text></g><g class="node" id="n8" data-id="8" transform="translate(44,238)" style="opacity: 1;"><path class="box" d="M0,0H120V44H0Z" fill="#fff1c4"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>Return</tspan><tspan class="node-id">  #8</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#8 Return
+Type not computed
+
+[0] → #2  CTRL
+[1] → #7  DATA</title><circle class="port" cx="40" cy="-3" r="3" fill="#536477"/><circle class="port" cx="80" cy="-3" r="3" fill="#536477"/><text class="slot" x="40" y="-10" text-anchor="middle">0</text><text class="slot" x="80" y="-10" text-anchor="middle">1</text></g></g><g class="region-heads" style="opacity: 1;"/><g class="shortcuts" style="opacity: 1;"/><g class="peep-ghosts" pointer-events="none"/></g></svg>
diff --git a/chapter03/docs/03-graph3.json b/chapter03/docs/03-graph3.json
new file mode 100644
index 00000000..a6d6175a
--- /dev/null
+++ b/chapter03/docs/03-graph3.json
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+    {"id": 2, "label": "Start", "type": null, "kind": "CTRL", "edges": [], "proj": null},
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+    {"id": 5, "label": "#3", "type": null, "kind": "DATA", "edges": [{"idx": 0, "def": 2, "role": "ASSOC", "label": null}], "proj": null},
+    {"id": 6, "label": "#4", "type": null, "kind": "DATA", "edges": [{"idx": 0, "def": 2, "role": "ASSOC", "label": null}], "proj": null},
+    {"id": 20, "label": "#8", "type": null, "kind": "DATA", "edges": [{"idx": 0, "def": 2, "role": "ASSOC", "label": null}], "proj": null},
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+  ],
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+}
diff --git a/chapter03/docs/03-graph3.svg b/chapter03/docs/03-graph3.svg
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+Type not computed
+
+[0] → #4  ASSOC  0: y0
+[1] → #3  ASSOC  0: x0
+[2] → #6  ASSOC  0: y1
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+Type not computed
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+Type not computed
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+Type not computed
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+Type not computed
+
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+Type not computed
+
+[0] → #2  ASSOC</title><circle class="port" cx="60" cy="-3" r="3" fill="#536477"/><text class="slot" x="60" y="-10" text-anchor="middle">0</text></g><g class="node" id="n20" data-id="20" transform="translate(784,30)" style="opacity: 1;"><path class="box" d="M14,0H106Q120,0 120,14V30Q120,44 106,44H14Q0,44 0,30V14Q0,0 14,0Z" fill="#edf3f7"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>#8</tspan><tspan class="node-id">  #20</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#20 #8
+Type not computed
+
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+Type not computed
+
+[0] → #2  CTRL
+[1] → #20  DATA</title><circle class="port" cx="40" cy="-3" r="3" fill="#536477"/><circle class="port" cx="80" cy="-3" r="3" fill="#536477"/><text class="slot" x="40" y="-10" text-anchor="middle">0</text><text class="slot" x="80" y="-10" text-anchor="middle">1</text></g></g><g class="region-heads" style="opacity: 1;"/><g class="shortcuts" style="opacity: 1;"/><g class="peep-ghosts" pointer-events="none"/></g></svg>
diff --git a/chapter03/docs/03-graph4.json b/chapter03/docs/03-graph4.json
new file mode 100644
index 00000000..b594eee2
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index 6838e1d4..c773ef9b 100644
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+[0] → #3  ASSOC  0: a
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+[2] → #8  ASSOC  0: c
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+Type not computed
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diff --git a/chapter03/docs/03-graph5.json b/chapter03/docs/03-graph5.json
new file mode 100644
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+    .edge.ASSOC { stroke-dasharray:4 4; }
+    .edge.PARSER { stroke-dasharray:5 4; }
+    .parser rect { fill:#f6f0ff; stroke:#7956a5; stroke-width:1.5; stroke-dasharray:5 4; }
+    .edge.selected { stroke-width:3.5; }
+    .edge.bundle { stroke-width:4; }
+    .edge.bundle.selected { stroke-width:6; }
+    .edge-hit { fill:none; stroke:transparent; stroke-width:12; vector-effect:non-scaling-stroke; pointer-events:stroke; cursor:pointer; }
+    .edge-jump { fill:transparent; pointer-events:all; cursor:pointer; }
+    .node { cursor:pointer; }
+    .box { stroke:#758191; stroke-width:1; }
+    .node.held .box { stroke-dasharray:5 3; }
+    .node.near .box { stroke:#c18221; stroke-width:2; }
+    .node.focus .box { stroke:#9c4900; stroke-width:3; }
+    .node.selected .box { stroke:#1569b9; stroke-width:3; }
+    .node.folded .box { stroke-width:4; }
+    .node.folding .box { fill:#f4ccd7; }
+    .fold-tag { font-size:9px; font-weight:700; fill:#963751; }
+    .peep-area { fill:#fff3d9; fill-opacity:.8; stroke:#c18221; stroke-width:2; pointer-events:none; }
+    .node.peep-edit .box { stroke:#9c4900; stroke-width:3; }
+    .node.error .box { stroke:#b42318; stroke-width:4; }
+    #event.error { color:#b42318; font-weight:600; white-space:pre-wrap; overflow-wrap:anywhere; }
+    .peep-ghosts { pointer-events:none; }
+    .region-box { stroke:#9da9b8; stroke-width:1.5; }
+    .fold-btn { cursor:pointer; }
+    .fold-btn rect { fill:white; stroke:#596674; }
+    .fold-btn text { font-size:14px; fill:#152330; }
+    .fold-btn:focus rect { stroke:#1569b9; stroke-width:2; }
+    .shortcut { cursor:pointer; }
+    .shortcut path { fill:none; stroke-width:1.5; }
+    .shortcut rect { fill:#fff8ec; stroke:#b63838; stroke-dasharray:3 2; }
+    .shortcut text { font-size:11px; fill:#783030; }
+    .shortcut.selected rect, .shortcut:focus rect { stroke-width:2.5; }
+    .label { font-size:12px; fill:#152330; font-weight:600; }
+    .node-id { font-size:10px; fill:#596674; font-weight:400; }
+    .type { font-size:11px; fill:#455768; }
+    .port { stroke:#536477; stroke-width:1; }
+    .row { stroke:#b6afcf; stroke-width:1; }
+    .bind { font-size:12px; fill:#152330; }
+    .slot { font-size:10px; fill:#364352; paint-order:stroke; stroke:#fafbfc; stroke-width:3; }
+    #detail { position:absolute; top:8px; right:8px; margin:0; padding:12px; max-width:320px;
+      max-height:45%; overflow:auto; white-space:pre-wrap; overflow-wrap:anywhere;
+      background:#fffffff2; border:1px solid #bac5d0; border-radius:4px; font-size:12px; }
+    .controls { display:flex; flex-wrap:wrap; justify-content:center; align-items:center; gap:6px; padding:6px; }
+    .button { color:white; background:black; font-size:20px; min-width:30px; }
+    .button:disabled { background:grey; }
+    .count { font-size:20px; min-width:35px; text-align:center; }
+    #N { width:6ch; }
+    #scrub { width:clamp(120px,35vw,600px); }
+  </style><defs><marker id="arrow-CTRL" viewBox="0 -4 8 8" refX="8" refY="0" markerWidth="7" markerHeight="7" orient="auto-start-reverse"><path d="M0,-4L8,0L0,4Z" fill="#b63838"/></marker><marker id="arrow-DATA" viewBox="0 -4 8 8" refX="8" refY="0" markerWidth="7" markerHeight="7" orient="auto-start-reverse"><path d="M0,-4L8,0L0,4Z" fill="#536477"/></marker><marker id="arrow-MEM" viewBox="0 -4 8 8" refX="8" refY="0" markerWidth="7" markerHeight="7" orient="auto-start-reverse"><path d="M0,-4L8,0L0,4Z" fill="#2867b2"/></marker><marker id="arrow-ASSOC" viewBox="0 -4 8 8" refX="8" refY="0" markerWidth="7" markerHeight="7" orient="auto-start-reverse"><path d="M0,-4L8,0L0,4Z" fill="#9396a3"/></marker><marker id="arrow-PARSER" viewBox="0 -4 8 8" refX="8" refY="0" markerWidth="7" markerHeight="7" orient="auto-start-reverse"><path d="M0,-4L8,0L0,4Z" fill="#7956a5"/></marker></defs><rect width="100%" height="100%" fill="rgb(250, 251, 252)"/><g><g class="regions" style="opacity: 1;"/><rect class="peep-area" rx="36" style="opacity: 0;"/><g class="edges"><path class="edge ASSOC" id="e1i0" d="M236,77 C236,101 848,74 848,98" stroke="#9396a3" marker-start="url(#arrow-ASSOC)" style="opacity: 1;"><title>#1[0] → #3 · ASSOC · 0: a</title></path><path class="edge ASSOC" id="e1i1" d="M388,77 C388,101 896,74 896,98" stroke="#9396a3" marker-start="url(#arrow-ASSOC)" style="opacity: 1;"><title>#1[1] → #4 · ASSOC · 0: b</title></path><path class="edge ASSOC" id="e1i2" d="M692,77 C692,101 944,74 944,98" stroke="#9396a3" marker-start="url(#arrow-ASSOC)" style="opacity: 1;"><title>#1[2] → #11 · ASSOC · 0: c</title></path><path class="edge ASSOC" id="e1i3" d="M540,77 C540,101 992,74 992,98" stroke="#9396a3" marker-start="url(#arrow-ASSOC)" style="opacity: 1;"><title>#1[3] → #9 · ASSOC · 1: e</title></path><path class="edge ASSOC" id="e3i0" d="M84,77 C84,101 236,3 236,27" stroke="#9396a3" marker-start="url(#arrow-ASSOC)" style="opacity: 1;"><title>#3[0] → #2 · ASSOC</title></path><path class="edge ASSOC" id="e4i0" d="M84,77 C84,101 388,3 388,27" stroke="#9396a3" marker-start="url(#arrow-ASSOC)" style="opacity: 1;"><title>#4[0] → #2 · ASSOC</title></path><path class="edge ASSOC" id="e9i0" d="M84,77 C84,101 540,3 540,27" stroke="#9396a3" marker-start="url(#arrow-ASSOC)" style="opacity: 1;"><title>#9[0] → #2 · ASSOC</title></path><path class="edge ASSOC" id="e11i0" d="M84,77 C84,101 692,3 692,27" stroke="#9396a3" marker-start="url(#arrow-ASSOC)" style="opacity: 1;"><title>#11[0] → #2 · ASSOC</title></path></g><g class="edge-hits"/><g class="parser" style="opacity: 1;"/><g class="nodes"><g class="node" id="n1" data-id="1" transform="translate(824,98)" style="opacity: 1;"><path class="box" d="M4,0H188Q192,0 192,4V52Q192,56 188,56H4Q0,56 0,52V4Q0,0 4,0Z" fill="#e5e0ff"/><text class="label" text-anchor="middle" x="96" y="48"><tspan>Scope</tspan><tspan class="node-id">  #1</tspan></text><text class="type" text-anchor="middle" y="35" x="96"/><title>#1 Scope
+Type not computed
+
+[0] → #3  ASSOC  0: a
+[1] → #4  ASSOC  0: b
+[2] → #11  ASSOC  0: c
+[3] → #9  ASSOC  1: e</title><line class="row" x1="0" x2="192" y1="30" y2="30"/><line class="row" x1="48" x2="48" y1="0" y2="30"/><line class="row" x1="96" x2="96" y1="0" y2="30"/><line class="row" x1="144" x2="144" y1="0" y2="30"/><text class="bind" x="24" y="20" text-anchor="middle">0: a</text><text class="bind" x="72" y="20" text-anchor="middle">0: b</text><text class="bind" x="120" y="20" text-anchor="middle">0: c</text><text class="bind" x="168" y="20" text-anchor="middle">1: e</text><circle class="port" cx="24" cy="0" r="3" fill="#536477"/><circle class="port" cx="72" cy="0" r="3" fill="#536477"/><circle class="port" cx="120" cy="0" r="3" fill="#536477"/><circle class="port" cx="168" cy="0" r="3" fill="#536477"/><text class="slot" x="24" y="-7" text-anchor="middle">0</text><text class="slot" x="72" y="-7" text-anchor="middle">1</text><text class="slot" x="120" y="-7" text-anchor="middle">2</text><text class="slot" x="168" y="-7" text-anchor="middle">3</text></g><g class="node" id="n2" data-id="2" transform="translate(24,30)" style="opacity: 1;"><path class="box" d="M0,0H120V44H0Z" fill="#fff1c4"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>Start</tspan><tspan class="node-id">  #2</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#2 Start
+Type not computed
+
+</title></g><g class="node" id="n3" data-id="3" transform="translate(176,30)" style="opacity: 1;"><path class="box" d="M14,0H106Q120,0 120,14V30Q120,44 106,44H14Q0,44 0,30V14Q0,0 14,0Z" fill="#edf3f7"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>#1</tspan><tspan class="node-id">  #3</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#3 #1
+Type not computed
+
+[0] → #2  ASSOC</title><circle class="port" cx="60" cy="-3" r="3" fill="#536477"/><text class="slot" x="60" y="-10" text-anchor="middle">0</text></g><g class="node" id="n4" data-id="4" transform="translate(328,30)" style="opacity: 1;"><path class="box" d="M14,0H106Q120,0 120,14V30Q120,44 106,44H14Q0,44 0,30V14Q0,0 14,0Z" fill="#edf3f7"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>#2</tspan><tspan class="node-id">  #4</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#4 #2
+Type not computed
+
+[0] → #2  ASSOC</title><circle class="port" cx="60" cy="-3" r="3" fill="#536477"/><text class="slot" x="60" y="-10" text-anchor="middle">0</text></g><g class="node" id="n9" data-id="9" transform="translate(480,30)" style="opacity: 1;"><path class="box" d="M14,0H106Q120,0 120,14V30Q120,44 106,44H14Q0,44 0,30V14Q0,0 14,0Z" fill="#edf3f7"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>#6</tspan><tspan class="node-id">  #9</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#9 #6
+Type not computed
+
+[0] → #2  ASSOC</title><circle class="port" cx="60" cy="-3" r="3" fill="#536477"/><text class="slot" x="60" y="-10" text-anchor="middle">0</text></g><g class="node" id="n11" data-id="11" transform="translate(632,30)" style="opacity: 1;"><path class="box" d="M14,0H106Q120,0 120,14V30Q120,44 106,44H14Q0,44 0,30V14Q0,0 14,0Z" fill="#edf3f7"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>#7</tspan><tspan class="node-id">  #11</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#11 #7
+Type not computed
+
+[0] → #2  ASSOC</title><circle class="port" cx="60" cy="-3" r="3" fill="#536477"/><text class="slot" x="60" y="-10" text-anchor="middle">0</text></g></g><g class="region-heads" style="opacity: 1;"/><g class="shortcuts" style="opacity: 1;"/><g class="peep-ghosts" pointer-events="none"/></g></svg>
diff --git a/chapter03/docs/Makefile b/chapter03/docs/Makefile
index 12659b8f..6fa0f057 100644
--- a/chapter03/docs/Makefile
+++ b/chapter03/docs/Makefile
@@ -1,12 +1 @@
-GV := $(wildcard *.gv)
-SVG := $(patsubst %.gv,%.svg,$(GV))
-
-.PHONY: all
-all: $(SVG)
-
-%.svg: %.gv
-	dot -Tsvg $< > $@
-
-.PHONY: clean
-clean:
-	@rm -f $(SVG)
+include ../../graph/docs.mk
author	Cliff Click <cliffc@acm.org>	2026-10-02 13:04:34 -0700
committer	Cliff Click <cliffc@acm.org>	2026-10-02 13:04:34 -0700
commit	e4dc3273f201ae741637b626998637cce973546b (patch)
tree	7607c1da4378da42549e8142371d95bdca4e06e0 /chapter03/docs
parent	6cd01a8d646750748a0af221073de8a7787472ad (diff)
download	Simple-e4dc3273f201ae741637b626998637cce973546b.tar.gz Simple-e4dc3273f201ae741637b626998637cce973546b.zip