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diff --git a/chapter11/docs/example2b-merged.svg b/chapter11/docs/example2b-merged.svg new file mode 100644 index 00000000..21ae615e --- /dev/null +++ b/chapter11/docs/example2b-merged.svg @@ -0,0 +1,130 @@ +<svg aria-label="Compiler graph" width="885" height="662" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 885 662" 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="e6i0" d="M248,46 C248,70 690,41 690,65" stroke="#9396a3" marker-start="url(#arrow-ASSOC)" style="opacity: 1;"><title>#6[0] → #1 · ASSOC</title></path><path class="edge MEM" id="e7i1" d="M185,118 L185,166" stroke="#2867b2" marker-start="url(#arrow-MEM)" style="opacity: 1;"><title>#7[1] → #3 · MEM</title></path><path class="edge DATA" id="e7i2" d="M538,118 L538,140 Q538,148 530,148 L217,148 Q209,148 209,156 L209,166" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#7[2] → #5 · DATA</title></path><path class="edge DATA" id="e7i3" d="M690,118 L690,123 Q690,128 685,128 L241,128 Q233,128 233,136 L233,166" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#7[3] → #6 · DATA</title></path><path class="edge MEM" id="e8i1" d="M185,118 L185,130 Q185,138 193,138 L741,138 Q749,138 749,146 L749,166" stroke="#2867b2" marker-start="url(#arrow-MEM)" style="opacity: 1;"><title>#8[1] → #3 · MEM</title></path><path class="edge DATA" id="e8i2" d="M538,118 L538,140 Q538,148 546,148 L765,148 Q773,148 773,156 L773,166" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#8[2] → #5 · DATA</title></path><path class="edge DATA" id="e8i3" d="M690,118 L690,123 Q690,128 695,128 L789,128 Q797,128 797,136 L797,166" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#8[3] → #6 · DATA</title></path><path class="edge ASSOC" id="e13i0" d="M248,46 C248,70 349,145 349,169" stroke="#9396a3" marker-start="url(#arrow-ASSOC)" style="opacity: 1;"><title>#13[0] → #1 · ASSOC</title></path><path class="edge CTRL" id="e14i0" d="M76,222 L76,270" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#14[0] → #11 · CTRL</title></path><path class="edge MEM" id="e14i1" d="M197,222 L197,227 Q197,232 192,232 L108,232 Q100,232 100,240 L100,270" stroke="#2867b2" marker-start="url(#arrow-MEM)" style="opacity: 1;"><title>#14[1] → #7 · MEM</title></path><path class="edge DATA" id="e14i2" d="M538,118 L538,140 Q538,148 530,148 L134,148 Q126,148 126,156 L126,241 Q126,242 125,242 L125,242 Q124,242 124,243 L124,270" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#14[2] → #5 · DATA</title></path><path class="edge DATA" id="e14i3" d="M349,222 L349,234 Q349,242 341,242 L156,242 Q148,242 148,250 L148,270" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#14[3] → #13 · DATA</title></path><path class="edge ASSOC" id="e15i0" d="M248,46 C248,70 609,145 609,169" stroke="#9396a3" marker-start="url(#arrow-ASSOC)" style="opacity: 1;"><title>#15[0] → #1 · ASSOC</title></path><path class="edge CTRL" id="e16i0" d="M485,222 L485,270" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#16[0] → #12 · CTRL</title></path><path class="edge MEM" id="e16i1" d="M197,222 L197,227 Q197,232 202,232 L501,232 Q509,232 509,240 L509,270" stroke="#2867b2" marker-start="url(#arrow-MEM)" style="opacity: 1;"><title>#16[1] → #7 · MEM</title></path><path class="edge DATA" id="e16i2" d="M538,118 L538,229.5 Q538,232 535.5,232 L535.5,232 Q533,232 533,234.5 L533,270" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#16[2] → #5 · DATA</title></path><path class="edge DATA" id="e16i3" d="M609,222 L609,227 Q609,232 604,232 L565,232 Q557,232 557,240 L557,270" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#16[3] → #15 · DATA</title></path><path class="edge MEM" id="e20i1" d="M112,326 L112,331 Q112,336 117,336 L473,336 Q481,336 481,344 L481,374" stroke="#2867b2" marker-start="url(#arrow-MEM)" style="opacity: 1;"><title>#20[1] → #14 · MEM</title></path><path class="edge MEM" id="e20i2" d="M521,326 L521,374" stroke="#2867b2" marker-start="url(#arrow-MEM)" style="opacity: 1;"><title>#20[2] → #16 · MEM</title></path><path class="edge MEM" id="e22i1" d="M185,118 L185,130 Q185,138 177,138 L32,138 Q24,138 24,146 L24,442 Q24,450 32,450 L705,450 Q713,450 713,458 L713,478" stroke="#2867b2" marker-start="url(#arrow-MEM)" style="opacity: 1;"><title>#22[1] → #3 · MEM</title></path><path class="edge MEM" id="e22i2" d="M501,430 L501,435 Q501,440 506,440 L729,440 Q737,440 737,448 L737,478" stroke="#2867b2" marker-start="url(#arrow-MEM)" style="opacity: 1;"><title>#22[2] → #20 · MEM</title></path><path class="edge MEM" id="e22i3" d="M761,222 L761,478" stroke="#2867b2" marker-start="url(#arrow-MEM)" style="opacity: 1;"><title>#22[3] → #8 · MEM</title></path><path class="edge MEM" id="e23i1" d="M725,534 L725,539 Q725,544 730,544 L793,544 Q801,544 801,552 L801,582" stroke="#2867b2" marker-start="url(#arrow-MEM)" style="opacity: 1;"><title>#23[1] → #22 · MEM</title></path><path class="edge DATA" id="e23i2" d="M538,118 L538,140 Q538,148 546,148 L823,148 Q831,148 831,156 L831,582" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#23[2] → #5 · 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(125,24)" 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"> #1</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#1 Start +Type not computed + +</title></g><g class="node" id="n3" data-id="3" transform="translate(125,68)" style="opacity: 1;"><path class="box" d="M0,0H120V44H0Z" fill="#dcecff"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>$mem</tspan><tspan class="node-id"> #3/1</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#3 $mem +Projection 1 of #1 +Type not computed + +[0] → #1 MEM</title></g><g class="node" id="n5" data-id="5" transform="translate(478,68)" 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>new Point</tspan><tspan class="node-id"> #5</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#5 new Point +Type not computed + +[0] → — CTRL</title><circle class="port" cx="60" cy="-3" r="3" fill="white"/><text class="slot" x="60" y="-10" text-anchor="middle">0</text></g><g class="node" id="n6" data-id="6" transform="translate(630,68)" 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>#0</tspan><tspan class="node-id"> #6</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#6 #0 +Type not computed + +[0] → #1 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(137,172)" style="opacity: 1;"><path class="box" d="M10,0H110L120,10V34L110,44H10L0,34V10Z" fill="#dcecff"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>Store p.x</tspan><tspan class="node-id"> #7</tspan></text><text class="type" text-anchor="middle" y="35" x="60">MEM#2</text><title>#7 Store p.x +MEM#2 + +[0] → — CTRL +[1] → #3 MEM +[2] → #5 DATA +[3] → #6 DATA</title><circle class="port" cx="24" cy="-3" r="3" fill="white"/><circle class="port" cx="48" cy="-3" r="3" fill="#536477"/><circle class="port" cx="72" cy="-3" r="3" fill="#536477"/><circle class="port" cx="96" cy="-3" r="3" fill="#536477"/><text class="slot" x="24" y="-10" text-anchor="middle">0</text><text class="slot" x="48" y="-10" text-anchor="middle">1</text><text class="slot" x="72" y="-10" text-anchor="middle">2</text><text class="slot" x="96" y="-10" text-anchor="middle">3</text></g><g class="node" id="n8" data-id="8" transform="translate(701,172)" style="opacity: 1;"><path class="box" d="M10,0H110L120,10V34L110,44H10L0,34V10Z" fill="#dcecff"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>Store p.y</tspan><tspan class="node-id"> #8</tspan></text><text class="type" text-anchor="middle" y="35" x="60">MEM#3</text><title>#8 Store p.y +MEM#3 + +[0] → — CTRL +[1] → #3 MEM +[2] → #5 DATA +[3] → #6 DATA</title><circle class="port" cx="24" cy="-3" r="3" fill="white"/><circle class="port" cx="48" cy="-3" r="3" fill="#536477"/><circle class="port" cx="72" cy="-3" r="3" fill="#536477"/><circle class="port" cx="96" cy="-3" r="3" fill="#536477"/><text class="slot" x="24" y="-10" text-anchor="middle">0</text><text class="slot" x="48" y="-10" text-anchor="middle">1</text><text class="slot" x="72" y="-10" text-anchor="middle">2</text><text class="slot" x="96" y="-10" text-anchor="middle">3</text></g><g class="node" id="n11" data-id="11" transform="translate(35,190)" style="opacity: 1;"><path class="box" d="M0,0H81V26H0Z" fill="#fff1c4"/><text class="label" text-anchor="middle" x="40.5" y="17"><tspan>True</tspan><tspan class="node-id"> #11/0</tspan></text><text class="type" text-anchor="middle" y="35" x="40.5"/><title>#11 True +Projection 0 of #0 +Type not computed + +</title></g><g class="node" id="n12" data-id="12" transform="translate(441,190)" style="opacity: 1;"><path class="box" d="M0,0H87V26H0Z" fill="#fff1c4"/><text class="label" text-anchor="middle" x="43.5" y="17"><tspan>False</tspan><tspan class="node-id"> #12/1</tspan></text><text class="type" text-anchor="middle" y="35" x="43.5"/><title>#12 False +Projection 1 of #0 +Type not computed + +</title></g><g class="node" id="n13" data-id="13" transform="translate(289,172)" 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"> #13</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#13 #3 +Type not computed + +[0] → #1 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="n14" data-id="14" transform="translate(52,276)" style="opacity: 1;"><path class="box" d="M10,0H110L120,10V34L110,44H10L0,34V10Z" fill="#dcecff"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>Store p.x</tspan><tspan class="node-id"> #14</tspan></text><text class="type" text-anchor="middle" y="35" x="60">MEM#2</text><title>#14 Store p.x +MEM#2 + +[0] → #11 CTRL +[1] → #7 MEM +[2] → #5 DATA +[3] → #13 DATA</title><circle class="port" cx="24" cy="-3" r="3" fill="#536477"/><circle class="port" cx="48" cy="-3" r="3" fill="#536477"/><circle class="port" cx="72" cy="-3" r="3" fill="#536477"/><circle class="port" cx="96" cy="-3" r="3" fill="#536477"/><text class="slot" x="24" y="-10" text-anchor="middle">0</text><text class="slot" x="48" y="-10" text-anchor="middle">1</text><text class="slot" x="72" y="-10" text-anchor="middle">2</text><text class="slot" x="96" y="-10" text-anchor="middle">3</text></g><g class="node" id="n15" data-id="15" transform="translate(549,172)" 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>#4</tspan><tspan class="node-id"> #15</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#15 #4 +Type not computed + +[0] → #1 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="n16" data-id="16" transform="translate(461,276)" style="opacity: 1;"><path class="box" d="M10,0H110L120,10V34L110,44H10L0,34V10Z" fill="#dcecff"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>Store p.x</tspan><tspan class="node-id"> #16</tspan></text><text class="type" text-anchor="middle" y="35" x="60">MEM#2</text><title>#16 Store p.x +MEM#2 + +[0] → #12 CTRL +[1] → #7 MEM +[2] → #5 DATA +[3] → #15 DATA</title><circle class="port" cx="24" cy="-3" r="3" fill="#536477"/><circle class="port" cx="48" cy="-3" r="3" fill="#536477"/><circle class="port" cx="72" cy="-3" r="3" fill="#536477"/><circle class="port" cx="96" cy="-3" r="3" fill="#536477"/><text class="slot" x="24" y="-10" text-anchor="middle">0</text><text class="slot" x="48" y="-10" text-anchor="middle">1</text><text class="slot" x="72" y="-10" text-anchor="middle">2</text><text class="slot" x="96" y="-10" text-anchor="middle">3</text></g><g class="node" id="n20" data-id="20" transform="translate(441,380)" style="opacity: 1;"><path class="box" d="M12,0H108L120,22L108,44H12L0,22Z" fill="#f5e4fa"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>MemPhi x</tspan><tspan class="node-id"> #20</tspan></text><text class="type" text-anchor="middle" y="35" x="60">MEM#2</text><title>#20 MemPhi x +MEM#2 + +[0] → — ASSOC +[1] → #14 MEM +[2] → #16 MEM</title><circle class="port" cx="0" cy="-3" r="3" fill="white"/><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="0" y="-10" text-anchor="middle">0</text><text class="slot" x="40" y="-10" text-anchor="middle">1</text><text class="slot" x="80" y="-10" text-anchor="middle">2</text></g><g class="node" id="n22" data-id="22" transform="translate(665,484)" style="opacity: 1;"><path class="box" d="M10,0H110L120,10V34L110,44H10L0,34V10Z" fill="#dcecff"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>MemMerge</tspan><tspan class="node-id"> #22</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#22 MemMerge +Type not computed + +[0] → — CTRL +[1] → #3 MEM +[2] → #20 MEM +[3] → #8 MEM</title><circle class="port" cx="24" cy="-3" r="3" fill="white"/><circle class="port" cx="48" cy="-3" r="3" fill="#536477"/><circle class="port" cx="72" cy="-3" r="3" fill="#536477"/><circle class="port" cx="96" cy="-3" r="3" fill="#536477"/><text class="slot" x="24" y="-10" text-anchor="middle">0</text><text class="slot" x="48" y="-10" text-anchor="middle">1</text><text class="slot" x="72" y="-10" text-anchor="middle">2</text><text class="slot" x="96" y="-10" text-anchor="middle">3</text></g><g class="node" id="n23" data-id="23" transform="translate(741,588)" 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"> #23</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#23 Return +Type not computed + +[0] → — CTRL +[1] → #22 MEM +[2] → #5 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> |