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-rw-r--r--chapter03/docs/03-graph1.svg222
1 files changed, 86 insertions, 136 deletions
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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- "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
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- viewBox="0.00 0.00 238.00 300.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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-<title>chapter03</title>
-<polygon fill="white" stroke="transparent" points="-4,4 -4,-296 234,-296 234,4 -4,4"/>
-<g id="clust1" class="cluster">
-<title>cluster_Nodes</title>
-<polygon fill="none" stroke="black" points="8,-88 8,-284 222,-284 222,-88 8,-88"/>
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-<g id="clust2" class="cluster">
-<title>cluster_Scope1_0</title>
-<polygon fill="none" stroke="black" points="36,-8 36,-76 210,-76 210,-8 36,-8"/>
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-<g id="clust3" class="cluster">
-<title>cluster_Scope1_1</title>
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-<!-- Start2 -->
-<g id="node1" class="node">
-<title>Start2</title>
-<polygon fill="yellow" stroke="black" points="142,-276 88,-276 88,-240 142,-240 142,-276"/>
-<text text-anchor="middle" x="115" y="-254.3" 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="43" cy="-186" rx="27" ry="18"/>
-<text text-anchor="middle" x="43" y="-182.3" 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="M57.57,-201.17C66.92,-210.25 79.3,-222.29 90.17,-232.86"/>
-<polygon fill="black" stroke="black" points="87.79,-235.43 97.4,-239.89 92.67,-230.41 87.79,-235.43"/>
-<text text-anchor="middle" x="54.57" y="-203.77" font-family="Helvetica,sans-Serif" font-size="8.00">0</text>
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-<!-- Con_4 -->
-<g id="node3" class="node">
-<title>Con_4</title>
-<ellipse fill="none" stroke="black" cx="115" cy="-186" rx="27" ry="18"/>
-<text text-anchor="middle" x="115" y="-182.3" font-family="Times,serif" font-size="14.00">#2</text>
-</g>
-<!-- Con_4&#45;&gt;Start2 -->
-<g id="edge2" class="edge">
-<title>Con_4&#45;&gt;Start2</title>
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-<!-- Con_6 -->
-<g id="node4" class="node">
-<title>Con_6</title>
-<ellipse fill="none" stroke="black" cx="187" cy="-186" rx="27" ry="18"/>
-<text text-anchor="middle" x="187" y="-182.3" 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="M172.43,-201.17C163.08,-210.25 150.7,-222.29 139.83,-232.86"/>
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-<text text-anchor="middle" x="169.43" y="-203.77" font-family="Helvetica,sans-Serif" font-size="8.00">0</text>
-</g>
-<!-- Add7 -->
-<g id="node5" class="node">
-<title>Add7</title>
-<ellipse fill="none" stroke="black" cx="136" cy="-114" rx="27" ry="18"/>
-<text text-anchor="middle" x="136" y="-110.3" 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="M118.51,-128.17C104.48,-138.73 84.58,-153.7 68.74,-165.63"/>
-<polygon fill="black" stroke="black" points="66.3,-163.08 60.41,-171.89 70.51,-168.68 66.3,-163.08"/>
-<text text-anchor="middle" x="115.51" y="-130.77" font-family="Helvetica,sans-Serif" font-size="8.00">1</text>
-</g>
-<!-- Add7&#45;&gt;Con_6 -->
-<g id="edge5" class="edge">
-<title>Add7&#45;&gt;Con_6</title>
-<path fill="none" stroke="black" d="M147.32,-130.54C153.92,-139.6 162.38,-151.21 169.8,-161.39"/>
-<polygon fill="black" stroke="black" points="167,-163.49 175.71,-169.51 172.65,-159.36 167,-163.49"/>
-<text text-anchor="middle" x="144.32" y="-133.14" font-family="Helvetica,sans-Serif" font-size="8.00">2</text>
-</g>
-<!-- Scope1_0 -->
-<g id="node6" class="node">
-<title>Scope1_0</title>
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-<text text-anchor="start" x="103" y="-37.8" font-family="Times,serif" font-size="14.00">c</text>
-</g>
-<!-- Scope1_0&#45;&gt;Con_3 -->
-<g id="edge6" class="edge">
-<title>Scope1_0:Scope1_0_a&#45;&gt;Con_3</title>
-<path fill="none" stroke="cornflowerblue" stroke-dasharray="5,2" d="M76,-53C76,-90.54 63.29,-132.33 53.64,-158.64"/>
-<polygon fill="cornflowerblue" stroke="cornflowerblue" points="50.27,-157.66 50,-168.25 56.81,-160.14 50.27,-157.66"/>
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-<!-- Scope1_0&#45;&gt;Con_4 -->
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-<title>Scope1_0:Scope1_0_b&#45;&gt;Con_4</title>
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-<polygon fill="cornflowerblue" stroke="cornflowerblue" points="115.57,-91.1 123.87,-97.68 121.48,-87.35 115.57,-91.1"/>
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-<title>Scope1_1</title>
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-<polygon fill="none" stroke="black" points="167,-31 167,-52 183,-52 183,-31 167,-31"/>
-<text text-anchor="start" x="170" y="-37.8" font-family="Times,serif" font-size="14.00">b</text>
-</g>
-<!-- Scope1_1&#45;&gt;Con_6 -->
-<g id="edge9" class="edge">
-<title>Scope1_1:Scope1_1_b&#45;&gt;Con_6</title>
-<path fill="none" stroke="cornflowerblue" stroke-dasharray="5,2" d="M175,-53C175,-89.4 179.58,-131.23 183.08,-157.87"/>
-<polygon fill="cornflowerblue" stroke="cornflowerblue" points="179.64,-158.52 184.46,-167.96 186.58,-157.58 179.64,-158.52"/>
-</g>
-</g>
-</svg>
+<svg aria-label="Compiler graph" width="888" height="208" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 888 208" 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; }
+ .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 C236,101 696,74 696,98" 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 C388,101 744,74 744,98" 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="M236,181 C236,205 792,74 792,98" stroke="#9396a3" marker-start="url(#arrow-ASSOC)" style="opacity: 1;"><title>#1[2] → #7 · ASSOC · 0: c</title></path><path class="edge ASSOC" id="e1i3" d="M540,77 C540,101 840,74 840,98" stroke="#9396a3" marker-start="url(#arrow-ASSOC)" style="opacity: 1;"><title>#1[3] → #6 · ASSOC · 1: b</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="e6i0" d="M84,77 C84,101 540,3 540,27" stroke="#9396a3" marker-start="url(#arrow-ASSOC)" style="opacity: 1;"><title>#6[0] → #2 · ASSOC</title></path><path class="edge DATA" id="e7i1" d="M236,80 L236,128" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#7[1] → #3 · DATA</title></path><path class="edge DATA" id="e7i2" d="M540,80 L540,90 L266,90 L266,128" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#7[2] → #6 · DATA</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(672,98)" 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] → #7 ASSOC 0: c
+[3] → #6 ASSOC 1: b</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: b</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="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>