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diff --git a/docs/chapter08/08-graph2.svg b/docs/chapter08/08-graph2.svg new file mode 100644 index 00000000..e3d62fb9 --- /dev/null +++ b/docs/chapter08/08-graph2.svg @@ -0,0 +1,169 @@ +<svg aria-label="Compiler graph" width="902" height="1452" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 902 1452" 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;"><g class="region" transform="translate(133,171)"><rect class="region-box" rx="8" width="691" height="1074" fill="#f1f6fc"/></g><g class="region" transform="translate(347,602)"><rect class="region-box" rx="8" width="422" height="606" fill="#f2f7ef"/></g></g><rect class="peep-area" rx="36" style="opacity: 0;"/><g class="edges"><path class="edge CTRL" id="e3i0" d="M356,1351 C356,1375 451,1378 451,1402" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#3[0] → #39 · CTRL</title></path><path class="edge CTRL" id="e6i1" d="M236,118 L236,241" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#6[1] → #1 · CTRL</title></path><path class="edge CTRL" id="e6i2" d="M580,1193 L580,1198 Q580,1203 585,1203 L804,1203 Q812,1203 812,1195 L812,232 Q812,224 804,224 L274,224 Q266,224 266,232 L266,244" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#6[2] → #38 · CTRL</title></path><path class="edge DATA" id="e8i1" d="M356,118 L356,123 Q356,128 361,128 L362,128 Q368,128 368,134 L368,241" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#8[1] → #4 · DATA</title></path><path class="edge DATA" id="e8i2" d="M519,398 L519,403 Q519,408 524,408 L794,408 Q802,408 802,400 L802,240 Q802,232 794,232 L414,232 Q408,232 408,238 L408,244" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#8[2] → #16 · DATA</title></path><path class="edge DATA" id="e10i1" d="M388,297 L388,302 Q388,307 383,307 L324,307 Q316,307 316,315 L316,345" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#10[1] → #8 · DATA</title></path><path class="edge DATA" id="e10i2" d="M84,118 L84,123 Q84,128 89,128 L157,128 Q165,128 165,136 L165,309 Q165,317 173,317 L338,317 Q346,317 346,325 L346,345" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#10[2] → #9 · DATA</title></path><path class="edge CTRL" id="e11i0" d="M236,297 L236,449" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#11[0] → #6 · CTRL</title></path><path class="edge DATA" id="e11i1" d="M316,401 L316,449" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#11[1] → #10 · DATA</title></path><path class="edge DATA" id="e16i1" d="M388,297 L388,302 Q388,307 393,307 L511,307 Q519,307 519,315 L519,345" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#16[1] → #8 · DATA</title></path><path class="edge DATA" id="e16i2" d="M514,118 L514,123 Q514,128 519,128 L541,128 Q549,128 549,136 L549,345" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#16[2] → #15 · DATA</title></path><path class="edge DATA" id="e18i1" d="M519,401 L519,636" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#18[1] → #16 · DATA</title></path><path class="edge DATA" id="e18i2" d="M666,118 L666,123 Q666,128 661,128 L607,128 Q599,128 599,136 L599,413 Q599,421 591,421 L557,421 Q549,421 549,429 L549,636" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#18[2] → #17 · DATA</title></path><path class="edge CTRL" id="e19i0" d="M216,549 L216,554 Q216,559 221,559 L431,559 Q439,559 439,567 L439,740" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#19[0] → #5 · CTRL</title></path><path class="edge DATA" id="e19i1" d="M519,692 L519,740" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#19[1] → #18 · DATA</title></path><path class="edge DATA" id="e27i1" d="M519,401 L519,406 Q519,411 524,411 L689,411 Q697,411 697,419 L697,754.6666666666666" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#27[1] → #16 · DATA</title></path><path class="edge DATA" id="e27i2" d="M818,118 L818,123 Q818,128 813,128 L735,128 Q727,128 727,136 L727,754.6666666666666" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#27[2] → #26 · DATA</title></path><path class="edge CTRL" id="e28i0" d="M539,840 L539,845 Q539,850 534,850 L518,850 Q510,850 510,858 L510,888" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#28[0] → #13 · CTRL</title></path><path class="edge DATA" id="e28i1" d="M697,810.6666666666666 L697,842 Q697,850 689,850 L598,850 Q590,850 590,858 L590,888" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#28[1] → #27 · DATA</title></path><path class="edge CTRL" id="e34i1" d="M419,840 L419,990 Q419,998 427,998 L452,998 Q460,998 460,1006 L460,1036" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#34[1] → #12 · CTRL</title></path><path class="edge CTRL" id="e34i2" d="M490,988 L490,1036" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#34[2] → #14 · CTRL</title></path><path class="edge CTRL" id="e38i1" d="M460,1092 L460,1097 Q460,1102 465,1102 L572,1102 Q580,1102 580,1110 L580,1140" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#38[1] → #34 · CTRL</title></path><path class="edge CTRL" id="e38i2" d="M610,988 L610,1140" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#38[2] → #20 · CTRL</title></path><path class="edge CTRL" id="e39i0" d="M336,549 L336,1298" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#39[0] → #7 · CTRL</title></path><path class="edge DATA" id="e39i1" d="M388,297 L388,302 Q388,307 393,307 L771,307 Q779,307 779,315 L779,1252 Q779,1260 771,1260 L384,1260 Q376,1260 376,1268 L376,1298" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#39[1] → #8 · 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(176,68)" style="opacity: 1;"><path class="box" d="M0,0H120V44H0Z" fill="#fff1c4"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>$ctrl</tspan><tspan class="node-id"> #1/0</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#1 $ctrl +Projection 0 of #2 +Type not computed + +[0] → #2 CTRL</title></g><g class="node" id="n2" data-id="2" transform="translate(176,24)" style="opacity: 1;"><path class="box" d="M0,0H240V44H0Z" fill="#fff1c4"/><text class="label" text-anchor="middle" x="120" y="18"><tspan>Start</tspan><tspan class="node-id"> #2</tspan></text><text class="type" text-anchor="middle" y="35" x="120"/><title>#2 Start +Type not computed + +</title></g><g class="node" id="n3" data-id="3" transform="translate(415,1402)" style="opacity: 1;"><path class="box" d="M0,0H72V26H0Z" fill="#fff1c4"/><text class="label" text-anchor="middle" x="36" y="17"><tspan>Stop</tspan><tspan class="node-id"> #3</tspan></text><text class="type" text-anchor="middle" y="35" x="36"/><title>#3 Stop +Type not computed + +[0] → #39 CTRL</title><circle class="port" cx="36" cy="0" r="3" fill="#536477"/><text class="slot" x="36" y="-7" text-anchor="middle">0</text></g><g class="node" id="n4" data-id="4" transform="translate(296,68)" style="opacity: 1;"><path class="box" d="M0,0H120V44H0Z" fill="#edf3f7"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>arg</tspan><tspan class="node-id"> #4/1</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#4 arg +Projection 1 of #2 +Type not computed + +[0] → #2 DATA</title></g><g class="node" id="n5" data-id="5" transform="translate(156,499)" style="opacity: 1;"><path class="box" d="M0,0H120V44H0Z" fill="#fff1c4"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>True</tspan><tspan class="node-id"> #5/0</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#5 True +Projection 0 of #11 +Type not computed + +[0] → #11 CTRL</title></g><g class="node" id="n6" data-id="6" transform="translate(176,247)" style="opacity: 1;"><path class="box" d="M20,0H100Q120,0 120,20V24Q120,44 100,44H20Q0,44 0,24V20Q0,0 20,0Z" fill="#ffe0ab"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>Loop</tspan><tspan class="node-id"> #6</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#6 Loop +Type not computed + +[0] → — DATA +[1] → #1 CTRL +[2] → #38 CTRL</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="n7" data-id="7" transform="translate(276,499)" style="opacity: 1;"><path class="box" d="M0,0H120V44H0Z" fill="#fff1c4"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>False</tspan><tspan class="node-id"> #7/1</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#7 False +Projection 1 of #11 +Type not computed + +[0] → #11 CTRL</title></g><g class="node" id="n8" data-id="8" transform="translate(328,247)" 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>φ_arg</tspan><tspan class="node-id"> #8</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#8 φ_arg +Type not computed + +[0] → #6 ASSOC +[1] → #4 DATA +[2] → #16 DATA</title><circle class="port" cx="-3" cy="22" r="3" fill="#536477"/><circle class="port" cx="40" cy="-3" r="3" fill="#536477"/><circle class="port" cx="80" cy="-3" r="3" fill="#536477"/><path class="reg" fill="none" stroke="#b63838" d="M-3,22H-18m4,-3l-4,3l4,3"><title>[0] → #6</title></path><text class="slot" x="-10" y="15" 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="n9" data-id="9" transform="translate(24,68)" 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>10</tspan><tspan class="node-id"> #9</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#9 10 +Type not computed + +</title></g><g class="node" id="n10" data-id="10" transform="translate(256,351)" 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"> #10</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#10 < +Type not computed + +[0] → — DATA +[1] → #8 DATA +[2] → #9 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="n11" data-id="11" transform="translate(156,455)" style="opacity: 1;"><path class="box" d="M0,0H240V44H0Z" fill="#fff1c4"/><text class="label" text-anchor="middle" x="120" y="18"><tspan>If</tspan><tspan class="node-id"> #11</tspan></text><text class="type" text-anchor="middle" y="35" x="120"/><title>#11 If +Type not computed + +[0] → #6 CTRL +[1] → #10 DATA</title><circle class="port" cx="80" cy="-3" r="3" fill="#536477"/><circle class="port" cx="160" cy="-3" r="3" fill="#536477"/><text class="slot" x="80" y="-10" text-anchor="middle">0</text><text class="slot" x="160" y="-10" text-anchor="middle">1</text></g><g class="node" id="n12" data-id="12" transform="translate(359,790)" style="opacity: 1;"><path class="box" d="M0,0H120V44H0Z" fill="#fff1c4"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>True</tspan><tspan class="node-id"> #12/0</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#12 True +Projection 0 of #19 +Type not computed + +[0] → #19 CTRL</title></g><g class="node" id="n13" data-id="13" transform="translate(479,790)" style="opacity: 1;"><path class="box" d="M0,0H120V44H0Z" fill="#fff1c4"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>False</tspan><tspan class="node-id"> #13/1</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#13 False +Projection 1 of #19 +Type not computed + +[0] → #19 CTRL</title></g><g class="node" id="n14" data-id="14" transform="translate(430,938)" style="opacity: 1;"><path class="box" d="M0,0H120V44H0Z" fill="#fff1c4"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>True</tspan><tspan class="node-id"> #14/0</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#14 True +Projection 0 of #28 +Type not computed + +[0] → #28 CTRL</title></g><g class="node" id="n15" data-id="15" transform="translate(454,68)" 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>1</tspan><tspan class="node-id"> #15</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#15 1 +Type not computed + +</title></g><g class="node" id="n16" data-id="16" transform="translate(459,351)" 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"> #16</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#16 + +Type not computed + +[0] → — DATA +[1] → #8 DATA +[2] → #15 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="n17" data-id="17" transform="translate(606,68)" 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>5</tspan><tspan class="node-id"> #17</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#17 5 +Type not computed + +</title></g><g class="node" id="n18" data-id="18" transform="translate(459,642)" 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"> #18</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#18 == +Type not computed + +[0] → — DATA +[1] → #16 DATA +[2] → #17 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="n19" data-id="19" transform="translate(359,746)" style="opacity: 1;"><path class="box" d="M0,0H240V44H0Z" fill="#fff1c4"/><text class="label" text-anchor="middle" x="120" y="18"><tspan>If</tspan><tspan class="node-id"> #19</tspan></text><text class="type" text-anchor="middle" y="35" x="120"/><title>#19 If +Type not computed + +[0] → #5 CTRL +[1] → #18 DATA</title><circle class="port" cx="80" cy="-3" r="3" fill="#536477"/><circle class="port" cx="160" cy="-3" r="3" fill="#536477"/><text class="slot" x="80" y="-10" text-anchor="middle">0</text><text class="slot" x="160" y="-10" text-anchor="middle">1</text></g><g class="node" id="n20" data-id="20" transform="translate(550,938)" style="opacity: 1;"><path class="box" d="M0,0H120V44H0Z" fill="#fff1c4"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>False</tspan><tspan class="node-id"> #20/1</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#20 False +Projection 1 of #28 +Type not computed + +[0] → #28 CTRL</title></g><g class="node" id="n26" data-id="26" transform="translate(758,68)" 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>6</tspan><tspan class="node-id"> #26</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#26 6 +Type not computed + +</title></g><g class="node" id="n27" data-id="27" transform="translate(637,760.6666666666666)" 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"> #27</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#27 == +Type not computed + +[0] → — DATA +[1] → #16 DATA +[2] → #26 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="n28" data-id="28" transform="translate(430,894)" style="opacity: 1;"><path class="box" d="M0,0H240V44H0Z" fill="#fff1c4"/><text class="label" text-anchor="middle" x="120" y="18"><tspan>If</tspan><tspan class="node-id"> #28</tspan></text><text class="type" text-anchor="middle" y="35" x="120"/><title>#28 If +Type not computed + +[0] → #13 CTRL +[1] → #27 DATA</title><circle class="port" cx="80" cy="-3" r="3" fill="#536477"/><circle class="port" cx="160" cy="-3" r="3" fill="#536477"/><text class="slot" x="80" y="-10" text-anchor="middle">0</text><text class="slot" x="160" y="-10" text-anchor="middle">1</text></g><g class="node" id="n34" data-id="34" transform="translate(400,1042)" style="opacity: 1;"><path class="box" d="M12,0H108L120,44H0Z" fill="#fff1c4"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>Region</tspan><tspan class="node-id"> #34</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#34 Region +Type not computed + +[0] → — DATA +[1] → #12 CTRL +[2] → #14 CTRL</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="n38" data-id="38" transform="translate(520,1146)" style="opacity: 1;"><path class="box" d="M12,0H108L120,44H0Z" fill="#fff1c4"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>Region</tspan><tspan class="node-id"> #38</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#38 Region +Type not computed + +[0] → — DATA +[1] → #34 CTRL +[2] → #20 CTRL</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="n39" data-id="39" transform="translate(296,1304)" 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"> #39</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#39 Return +Type not computed + +[0] → #7 CTRL +[1] → #8 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="region-head" transform="translate(133,171)"><text class="label" x="26" y="17"><tspan>Loop</tspan><tspan class="node-id"> #6</tspan></text><title>Loop · 17 nodes</title><g class="fold-btn" role="button" tabindex="0" transform="translate(4,4)" aria-label="Fold region #6"><rect width="16" height="16" rx="2"/><text x="8" y="12" text-anchor="middle">−</text><title>Fold region</title></g></g><g class="region-head" transform="translate(347,602)"><text class="label" x="26" y="17"><tspan>If</tspan><tspan class="node-id"> #19</tspan></text><title>If · 10 nodes</title><g class="fold-btn" role="button" tabindex="0" transform="translate(4,4)" aria-label="Fold region #19"><rect width="16" height="16" rx="2"/><text x="8" y="12" text-anchor="middle">−</text><title>Fold region</title></g></g></g><g class="shortcuts" style="opacity: 1;"/><g class="peep-ghosts" pointer-events="none"/></g></svg> |