Chapter 7: While Statement

Co-authored-by: Cliff Click <cliffc@acm.org>
Co-authored-by: Thalia Archibald <thalia@archibald.dev>
Co-authored-by: XmiliaH <45106915+XmiliaH@users.noreply.github.com>
Co-authored-by: Hsiang-Ying Fu <66062782+fuhsnn@users.noreply.github.com>
Co-authored-by: tannal <tannal2409@gmail.com>
Co-authored-by: hadha <helsgithub15@gmail.com>
Co-authored-by: Tamás Hadházy <85063808+Hels15@users.noreply.github.com>
Co-authored-by: RobertObkircher <robert.obkircher@gmail.com>
Co-authored-by: Robert Obkircher <robert.obkircher@gmail.com>

1 files changed, 184 insertions, 0 deletions

diff --git a/docs/chapter07/07-graph2.svg b/docs/chapter07/07-graph2.svg
new file mode 100644
index 00000000..1fec9556
--- /dev/null
+++ b/docs/chapter07/07-graph2.svg
@@ -0,0 +1,184 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
+ "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<!-- Generated by graphviz version 2.43.0 (0)
+ -->
+<!-- Title: chapter07 Pages: 1 -->
+<svg width="330pt" height="492pt"
+ viewBox="0.00 0.00 330.00 492.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 488)">
+<title>chapter07</title>
+<polygon fill="white" stroke="transparent" points="-4,4 -4,-488 326,-488 326,4 -4,4"/>
+<g id="clust1" class="cluster">
+<title>cluster_Nodes</title>
+<polygon fill="none" stroke="black" points="8,-8 8,-476 314,-476 314,-8 8,-8"/>
+</g>
+<!-- Start2 -->
+<g id="node1" class="node">
+<title>Start2</title>
+<polygon fill="yellow" stroke="transparent" points="141,-439 141,-464 222,-464 222,-439 141,-439"/>
+<polygon fill="none" stroke="black" points="141,-439 141,-464 222,-464 222,-439 141,-439"/>
+<text text-anchor="start" x="163" y="-447.8" font-family="Times,serif" font-size="14.00">Start</text>
+<polygon fill="none" stroke="black" points="141,-408 141,-439 222,-439 222,-408 141,-408"/>
+<polygon fill="yellow" stroke="transparent" points="146,-413 146,-434 186,-434 186,-413 146,-413"/>
+<polygon fill="none" stroke="black" points="146,-413 146,-434 186,-434 186,-413 146,-413"/>
+<text text-anchor="start" x="149" y="-419.8" font-family="Times,serif" font-size="14.00">$ctrl</text>
+<polygon fill="none" stroke="black" points="186,-413 186,-434 217,-434 217,-413 186,-413"/>
+<text text-anchor="start" x="189" y="-419.8" font-family="Times,serif" font-size="14.00">arg</text>
+</g>
+<!-- Stop3 -->
+<g id="node2" class="node">
+<title>Stop3</title>
+<polygon fill="yellow" stroke="black" points="153,-52 99,-52 99,-16 153,-16 153,-52"/>
+<text text-anchor="middle" x="126" y="-30.3" font-family="Times,serif" font-size="14.00">Stop</text>
+</g>
+<!-- Return17 -->
+<g id="node10" class="node">
+<title>Return17</title>
+<polygon fill="yellow" stroke="black" points="159,-124 93,-124 93,-88 159,-88 159,-124"/>
+<text text-anchor="middle" x="126" y="-102.3" font-family="Times,serif" font-size="14.00">Return</text>
+</g>
+<!-- Stop3&#45;&gt;Return17 -->
+<g id="edge1" class="edge">
+<title>Stop3&#45;&gt;Return17</title>
+<path fill="none" stroke="red" d="M126,-52.3C126,-60.02 126,-69.29 126,-77.89"/>
+<polygon fill="red" stroke="red" points="122.5,-77.9 126,-87.9 129.5,-77.9 122.5,-77.9"/>
+<text text-anchor="middle" x="123" y="-54.9" font-family="Helvetica,sans-Serif" font-size="8.00">0</text>
+</g>
+<!-- Loop6 -->
+<g id="node3" class="node">
+<title>Loop6</title>
+<polygon fill="yellow" stroke="black" points="306,-368 252,-368 252,-332 306,-332 306,-368"/>
+<text text-anchor="middle" x="279" y="-346.3" font-family="Times,serif" font-size="14.00">Loop</text>
+</g>
+<!-- Loop6&#45;&gt;Start2 -->
+<g id="edge2" class="edge">
+<title>Loop6&#45;&gt;Start2:p0</title>
+<path fill="none" stroke="red" d="M251.93,-364.13C226.34,-376.71 189.56,-395.24 173.73,-405.41"/>
+<polygon fill="red" stroke="red" points="171.34,-402.85 166,-412 175.88,-408.18 171.34,-402.85"/>
+<text text-anchor="middle" x="248.93" y="-357.73" font-family="Helvetica,sans-Serif" font-size="8.00">1</text>
+</g>
+<!-- If11 -->
+<g id="node7" class="node">
+<title>If11</title>
+<polygon fill="yellow" stroke="transparent" points="32,-195 32,-220 126,-220 126,-195 32,-195"/>
+<polygon fill="none" stroke="black" points="32,-195 32,-220 126,-220 126,-195 32,-195"/>
+<text text-anchor="start" x="73.5" y="-203.8" font-family="Times,serif" font-size="14.00">If</text>
+<polygon fill="none" stroke="black" points="32,-164 32,-195 126,-195 126,-164 32,-164"/>
+<polygon fill="yellow" stroke="transparent" points="37,-169 37,-190 77,-190 77,-169 37,-169"/>
+<polygon fill="none" stroke="black" points="37,-169 37,-190 77,-190 77,-169 37,-169"/>
+<text text-anchor="start" x="40" y="-175.8" font-family="Times,serif" font-size="14.00">True</text>
+<polygon fill="yellow" stroke="transparent" points="77,-169 77,-190 121,-190 121,-169 77,-169"/>
+<polygon fill="none" stroke="black" points="77,-169 77,-190 121,-190 121,-169 77,-169"/>
+<text text-anchor="start" x="80" y="-175.8" font-family="Times,serif" font-size="14.00">False</text>
+</g>
+<!-- Loop6&#45;&gt;If11 -->
+<g id="edge3" class="edge">
+<title>Loop6&#45;&gt;If11:p0</title>
+<path fill="none" stroke="red" d="M251.78,-335.24C248.86,-334.04 245.9,-332.93 243,-332 156.98,-304.48 103.76,-362.82 43,-296 18.41,-268.96 14.64,-203.69 27.49,-184.44"/>
+<polygon fill="red" stroke="red" points="29.46,-187.33 36,-179 25.69,-181.43 29.46,-187.33"/>
+<text text-anchor="middle" x="248.78" y="-328.84" font-family="Helvetica,sans-Serif" font-size="8.00">2</text>
+</g>
+<!-- Phi_arg8 -->
+<g id="node4" class="node">
+<title>Phi_arg8</title>
+<ellipse fill="lightyellow" stroke="black" cx="125" cy="-350" rx="37.09" ry="18"/>
+<text text-anchor="middle" x="125" y="-346.3" font-family="Times,serif" font-size="14.00">φ_arg</text>
+</g>
+<!-- Phi_arg8&#45;&gt;Start2 -->
+<g id="edge5" class="edge">
+<title>Phi_arg8&#45;&gt;Start2:p1</title>
+<path fill="none" stroke="black" d="M154.55,-360.93C173.21,-369 194.84,-382.27 200.56,-401.87"/>
+<polygon fill="black" stroke="black" points="197.12,-402.59 202,-412 204.05,-401.61 197.12,-402.59"/>
+<text text-anchor="middle" x="151.55" y="-363.53" font-family="Helvetica,sans-Serif" font-size="8.00">1</text>
+</g>
+<!-- Phi_arg8&#45;&gt;Loop6 -->
+<g id="edge4" class="edge">
+<title>Phi_arg8&#45;&gt;Loop6</title>
+<path fill="none" stroke="black" stroke-dasharray="1,5" d="M143.47,-334.01C153.54,-326.34 166.66,-317.98 180,-314 203,-307.14 211.35,-306.06 234,-314 241.14,-316.5 247.99,-320.67 254.09,-325.3"/>
+<polygon fill="black" stroke="black" points="251.99,-328.1 261.92,-331.78 256.45,-322.71 251.99,-328.1"/>
+<text text-anchor="middle" x="140.47" y="-327.61" font-family="Helvetica,sans-Serif" font-size="8.00">0</text>
+</g>
+<!-- Add16 -->
+<g id="node9" class="node">
+<title>Add16</title>
+<ellipse fill="none" stroke="black" cx="203" cy="-278" rx="27" ry="18"/>
+<text text-anchor="middle" x="203" y="-274.3" font-family="Times,serif" font-size="14.00">+</text>
+</g>
+<!-- Con_9 -->
+<g id="node5" class="node">
+<title>Con_9</title>
+<ellipse fill="none" stroke="black" cx="43" cy="-350" rx="27" ry="18"/>
+<text text-anchor="middle" x="43" y="-346.3" font-family="Times,serif" font-size="14.00">10</text>
+</g>
+<!-- LT10 -->
+<g id="node6" class="node">
+<title>LT10</title>
+<ellipse fill="none" stroke="black" cx="79" cy="-278" rx="27" ry="18"/>
+<text text-anchor="middle" x="79" y="-274.3" font-family="Times,serif" font-size="14.00">&lt;</text>
+</g>
+<!-- LT10&#45;&gt;Phi_arg8 -->
+<g id="edge7" class="edge">
+<title>LT10&#45;&gt;Phi_arg8</title>
+<path fill="none" stroke="black" d="M89.44,-294.88C95.12,-303.53 102.28,-314.42 108.68,-324.17"/>
+<polygon fill="black" stroke="black" points="105.87,-326.26 114.28,-332.69 111.72,-322.41 105.87,-326.26"/>
+<text text-anchor="middle" x="86.44" y="-297.48" font-family="Helvetica,sans-Serif" font-size="8.00">1</text>
+</g>
+<!-- LT10&#45;&gt;Con_9 -->
+<g id="edge8" class="edge">
+<title>LT10&#45;&gt;Con_9</title>
+<path fill="none" stroke="black" d="M70.65,-295.24C66.29,-303.72 60.85,-314.29 55.96,-323.8"/>
+<polygon fill="black" stroke="black" points="52.77,-322.36 51.3,-332.85 58.99,-325.56 52.77,-322.36"/>
+<text text-anchor="middle" x="67.65" y="-297.84" font-family="Helvetica,sans-Serif" font-size="8.00">2</text>
+</g>
+<!-- If11&#45;&gt;Loop6 -->
+<g id="edge9" class="edge">
+<title>If11&#45;&gt;Loop6</title>
+<path fill="none" stroke="red" d="M134.07,-205.07C167.93,-214.93 210.21,-231.94 239,-260 256.28,-276.84 266.71,-302.48 272.57,-321.93"/>
+<polygon fill="red" stroke="red" points="269.24,-323.03 275.3,-331.72 275.98,-321.15 269.24,-323.03"/>
+<text text-anchor="middle" x="137.07" y="-198.67" font-family="Helvetica,sans-Serif" font-size="8.00">0</text>
+</g>
+<!-- If11&#45;&gt;LT10 -->
+<g id="edge10" class="edge">
+<title>If11&#45;&gt;LT10</title>
+<path fill="none" stroke="black" d="M79,-224.28C79,-232.58 79,-241.48 79,-249.56"/>
+<polygon fill="black" stroke="black" points="75.5,-249.6 79,-259.6 82.5,-249.6 75.5,-249.6"/>
+<text text-anchor="middle" x="76" y="-226.88" font-family="Helvetica,sans-Serif" font-size="8.00">1</text>
+</g>
+<!-- Con_15 -->
+<g id="node8" class="node">
+<title>Con_15</title>
+<ellipse fill="none" stroke="black" cx="207" cy="-350" rx="27" ry="18"/>
+<text text-anchor="middle" x="207" y="-346.3" font-family="Times,serif" font-size="14.00">1</text>
+</g>
+<!-- Add16&#45;&gt;Phi_arg8 -->
+<g id="edge11" class="edge">
+<title>Add16&#45;&gt;Phi_arg8</title>
+<path fill="none" stroke="black" d="M180.01,-299.63C170.41,-308.25 159.23,-318.28 149.47,-327.04"/>
+<polygon fill="black" stroke="black" points="182.48,-302.11 187.59,-292.83 177.81,-296.9 182.48,-302.11"/>
+<polygon fill="black" stroke="black" points="147.11,-324.46 142,-333.74 151.78,-329.67 147.11,-324.46"/>
+<text text-anchor="middle" x="184.59" y="-295.43" font-family="Helvetica,sans-Serif" font-size="8.00">1</text>
+</g>
+<!-- Add16&#45;&gt;Con_15 -->
+<g id="edge12" class="edge">
+<title>Add16&#45;&gt;Con_15</title>
+<path fill="none" stroke="black" d="M203.99,-296.3C204.43,-304.02 204.96,-313.29 205.45,-321.89"/>
+<polygon fill="black" stroke="black" points="201.96,-322.11 206.02,-331.9 208.95,-321.71 201.96,-322.11"/>
+<text text-anchor="middle" x="200.99" y="-298.9" font-family="Helvetica,sans-Serif" font-size="8.00">2</text>
+</g>
+<!-- Return17&#45;&gt;Phi_arg8 -->
+<g id="edge14" class="edge">
+<title>Return17&#45;&gt;Phi_arg8</title>
+<path fill="none" stroke="black" d="M133.07,-124.33C136.84,-134.53 141.09,-147.78 143,-160 151.97,-217.35 140.08,-285.24 131.79,-322.03"/>
+<polygon fill="black" stroke="black" points="128.33,-321.44 129.46,-331.97 135.14,-323.03 128.33,-321.44"/>
+<text text-anchor="middle" x="130.07" y="-126.93" font-family="Helvetica,sans-Serif" font-size="8.00">1</text>
+</g>
+<!-- Return17&#45;&gt;If11 -->
+<g id="edge13" class="edge">
+<title>Return17&#45;&gt;If11:p1</title>
+<path fill="none" stroke="red" d="M113.92,-124C108.25,-133.3 102.24,-145.44 99.95,-157.94"/>
+<polygon fill="red" stroke="red" points="96.46,-157.71 99,-168 103.43,-158.38 96.46,-157.71"/>
+<text text-anchor="middle" x="110.92" y="-126.6" font-family="Helvetica,sans-Serif" font-size="8.00">0</text>
+</g>
+</g>
+</svg>