質問編集履歴
2
書式の改善
test
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File without changes
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test
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@@ -1,511 +1,256 @@
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### 前提・実現したいこと
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現在構文解析を勉強していて、その過程でbisonを使っていました。.yファイルの内容をオートマトンに書き起こしたいと思い、
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http://www.cs.info.mie-u.ac.jp/~toshi/lectures/compiler/yacc-parser.html
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のページを参考にして、```bison -g test.y```のようにして実行したのですが、出力されたvcgファイルをオートマトンの画像にする方法がわかりません。
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どうにかして状態遷移図をみたいです。解決方法を教えていただけると幸いです。
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### 出力されたファイル
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このような形式のファイルが出力されました。
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```
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```vcg
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graph: {
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display_edge_labels: yes
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long_straight_phase: yes
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priority_phase: yes
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port_sharing: no
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crossing_weight: median
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splines: yes
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node: {
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node: {
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title: "0"
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label: "state 0\n $accept -> . lines $end"
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}
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}
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edge: {
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sourcename: "0"
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sourcename: "0"
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targetname: "1"
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label: "'\n'"
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color: blue
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color: blue
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textcolor: black
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textcolor: black
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}
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}
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edge: {
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edge: {
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sourcename: "0"
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sourcename: "0"
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targetname: "2"
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targetname: "2"
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label: "'a'"
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label: "'a'"
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color: blue
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color: blue
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textcolor: black
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textcolor: black
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}
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}
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edge: {
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edge: {
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sourcename: "0"
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sourcename: "0"
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targetname: "3"
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targetname: "3"
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label: "'('"
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label: "'('"
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color: blue
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color: blue
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textcolor: black
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textcolor: black
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}
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}
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edge: {
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edge: {
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sourcename: "0"
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sourcename: "0"
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targetname: "4"
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label: "lines"
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color: green
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color: green
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textcolor: black
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textcolor: black
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}
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}
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edge: {
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edge: {
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sourcename: "0"
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sourcename: "0"
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targetname: "5"
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label: "line"
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color: green
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color: green
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textcolor: black
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textcolor: black
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}
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edge: {
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edge: {
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sourcename: "0"
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sourcename: "0"
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targetname: "6"
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label: "S"
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label: "S"
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color: green
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color: green
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textcolor: black
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textcolor: black
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}
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}
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node: {
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node: {
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title: "1"
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label: "state 1\n line -> '\n' ."
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}
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}
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node: {
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node: {
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title: "2"
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label: "state 2\n S -> 'a' ."
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}
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}
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node: {
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node: {
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title: "3"
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label: "state 3\n S -> '(' . L"
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}
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}
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backedge: {
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backedge: {
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sourcename: "3"
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sourcename: "3"
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targetname: "2"
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targetname: "2"
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label: "'a'"
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label: "'a'"
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color: blue
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color: blue
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textcolor: black
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textcolor: black
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}
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sourcename: "3"
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sourcename: "3"
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targetname: "3"
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targetname: "3"
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label: "'('"
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label: "'('"
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color: blue
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color: blue
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textcolor: black
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textcolor: black
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}
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sourcename: "3"
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sourcename: "3"
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targetname: "7"
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label: "')'"
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color: blue
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color: blue
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textcolor: black
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textcolor: black
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}
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}
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edge: {
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edge: {
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sourcename: "3"
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sourcename: "3"
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targetname: "8"
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label: "S"
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label: "S"
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color: green
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color: green
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textcolor: black
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}
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edge: {
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edge: {
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sourcename: "3"
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sourcename: "3"
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targetname: "9"
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label: "L"
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color: green
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color: green
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textcolor: black
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textcolor: black
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}
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}
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node: {
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node: {
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title: "4"
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label: "state 4\n $accept -> lines . $end"
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}
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}
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edge: {
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sourcename: "4"
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targetname: "10"
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label: "$end"
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color: blue
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color: blue
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textcolor: black
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textcolor: black
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}
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}
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node: {
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node: {
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title: "5"
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label: "state 5\n lines -> line . lines"
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}
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}
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backedge: {
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backedge: {
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sourcename: "5"
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sourcename: "5"
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targetname: "1"
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label: "'\n'"
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color: blue
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color: blue
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textcolor: black
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}
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backedge: {
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backedge: {
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sourcename: "5"
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sourcename: "5"
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targetname: "2"
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targetname: "2"
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label: "'a'"
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label: "'a'"
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color: blue
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color: blue
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}
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backedge: {
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sourcename: "5"
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sourcename: "5"
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targetname: "3"
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targetname: "3"
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label: "'('"
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label: "'('"
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color: blue
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}
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}
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sourcename: "5"
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sourcename: "5"
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targetname: "11"
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label: "lines"
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color: green
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color: green
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edge: {
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edge: {
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sourcename: "5"
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sourcename: "5"
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targetname: "5"
|
|
312
|
-
|
|
313
157
|
label: "line"
|
|
314
|
-
|
|
315
|
-
color: green
|
|
158
|
+
color: green
|
|
316
|
-
|
|
317
|
-
textcolor: black
|
|
159
|
+
textcolor: black
|
|
318
|
-
|
|
319
|
-
}
|
|
160
|
+
}
|
|
320
|
-
|
|
321
|
-
edge: {
|
|
161
|
+
edge: {
|
|
322
|
-
|
|
323
|
-
sourcename: "5"
|
|
162
|
+
sourcename: "5"
|
|
324
|
-
|
|
325
163
|
targetname: "6"
|
|
326
|
-
|
|
327
|
-
label: "S"
|
|
164
|
+
label: "S"
|
|
328
|
-
|
|
329
|
-
color: green
|
|
165
|
+
color: green
|
|
330
|
-
|
|
331
|
-
textcolor: black
|
|
166
|
+
textcolor: black
|
|
332
|
-
|
|
333
|
-
}
|
|
167
|
+
}
|
|
334
|
-
|
|
335
|
-
node: {
|
|
168
|
+
node: {
|
|
336
|
-
|
|
337
169
|
title: "6"
|
|
338
|
-
|
|
339
170
|
label: "state 6\n line -> S . '\n'"
|
|
340
|
-
|
|
341
|
-
}
|
|
171
|
+
}
|
|
342
|
-
|
|
343
|
-
edge: {
|
|
172
|
+
edge: {
|
|
344
|
-
|
|
345
173
|
sourcename: "6"
|
|
346
|
-
|
|
347
174
|
targetname: "12"
|
|
348
|
-
|
|
349
175
|
label: "'\n'"
|
|
350
|
-
|
|
351
|
-
color: blue
|
|
176
|
+
color: blue
|
|
352
|
-
|
|
353
|
-
textcolor: black
|
|
177
|
+
textcolor: black
|
|
354
|
-
|
|
355
|
-
}
|
|
178
|
+
}
|
|
356
|
-
|
|
357
|
-
node: {
|
|
179
|
+
node: {
|
|
358
|
-
|
|
359
180
|
title: "7"
|
|
360
|
-
|
|
361
181
|
label: "state 7\n L -> ')' ."
|
|
362
|
-
|
|
363
|
-
}
|
|
182
|
+
}
|
|
364
|
-
|
|
365
|
-
node: {
|
|
183
|
+
node: {
|
|
366
|
-
|
|
367
184
|
title: "8"
|
|
368
|
-
|
|
369
185
|
label: "state 8\n L -> S . L"
|
|
370
|
-
|
|
371
|
-
}
|
|
186
|
+
}
|
|
372
|
-
|
|
373
|
-
backedge: {
|
|
187
|
+
backedge: {
|
|
374
|
-
|
|
375
|
-
sourcename: "8"
|
|
188
|
+
sourcename: "8"
|
|
376
|
-
|
|
377
|
-
targetname: "2"
|
|
189
|
+
targetname: "2"
|
|
378
|
-
|
|
379
|
-
label: "'a'"
|
|
190
|
+
label: "'a'"
|
|
380
|
-
|
|
381
|
-
color: blue
|
|
191
|
+
color: blue
|
|
382
|
-
|
|
383
|
-
textcolor: black
|
|
192
|
+
textcolor: black
|
|
384
|
-
|
|
385
|
-
}
|
|
193
|
+
}
|
|
386
|
-
|
|
387
|
-
backedge: {
|
|
194
|
+
backedge: {
|
|
388
|
-
|
|
389
|
-
sourcename: "8"
|
|
195
|
+
sourcename: "8"
|
|
390
|
-
|
|
391
|
-
targetname: "3"
|
|
196
|
+
targetname: "3"
|
|
392
|
-
|
|
393
|
-
label: "'('"
|
|
197
|
+
label: "'('"
|
|
394
|
-
|
|
395
|
-
color: blue
|
|
198
|
+
color: blue
|
|
396
|
-
|
|
397
|
-
textcolor: black
|
|
199
|
+
textcolor: black
|
|
398
|
-
|
|
399
|
-
}
|
|
200
|
+
}
|
|
400
|
-
|
|
401
|
-
backedge: {
|
|
201
|
+
backedge: {
|
|
402
|
-
|
|
403
|
-
sourcename: "8"
|
|
202
|
+
sourcename: "8"
|
|
404
|
-
|
|
405
203
|
targetname: "7"
|
|
406
|
-
|
|
407
204
|
label: "')'"
|
|
408
|
-
|
|
409
|
-
color: blue
|
|
205
|
+
color: blue
|
|
410
|
-
|
|
411
|
-
textcolor: black
|
|
206
|
+
textcolor: black
|
|
412
|
-
|
|
413
|
-
}
|
|
207
|
+
}
|
|
414
|
-
|
|
415
|
-
edge: {
|
|
208
|
+
edge: {
|
|
416
|
-
|
|
417
|
-
sourcename: "8"
|
|
209
|
+
sourcename: "8"
|
|
418
|
-
|
|
419
210
|
targetname: "8"
|
|
420
|
-
|
|
421
|
-
label: "S"
|
|
211
|
+
label: "S"
|
|
422
|
-
|
|
423
|
-
color: green
|
|
212
|
+
color: green
|
|
424
|
-
|
|
425
|
-
textcolor: black
|
|
213
|
+
textcolor: black
|
|
426
|
-
|
|
427
|
-
}
|
|
214
|
+
}
|
|
428
|
-
|
|
429
|
-
edge: {
|
|
215
|
+
edge: {
|
|
430
|
-
|
|
431
|
-
sourcename: "8"
|
|
216
|
+
sourcename: "8"
|
|
432
|
-
|
|
433
217
|
targetname: "13"
|
|
434
|
-
|
|
435
218
|
label: "L"
|
|
436
|
-
|
|
437
|
-
color: green
|
|
219
|
+
color: green
|
|
438
|
-
|
|
439
|
-
textcolor: black
|
|
220
|
+
textcolor: black
|
|
440
|
-
|
|
441
|
-
}
|
|
221
|
+
}
|
|
442
|
-
|
|
443
|
-
node: {
|
|
222
|
+
node: {
|
|
444
|
-
|
|
445
223
|
title: "9"
|
|
446
|
-
|
|
447
224
|
label: "state 9\n S -> '(' L ."
|
|
448
|
-
|
|
449
|
-
}
|
|
225
|
+
}
|
|
450
|
-
|
|
451
|
-
node: {
|
|
226
|
+
node: {
|
|
452
|
-
|
|
453
227
|
title: "10"
|
|
454
|
-
|
|
455
228
|
label: "state 10\n $accept -> lines $end ."
|
|
456
|
-
|
|
457
|
-
}
|
|
229
|
+
}
|
|
458
|
-
|
|
459
|
-
node: {
|
|
230
|
+
node: {
|
|
460
|
-
|
|
461
231
|
title: "11"
|
|
462
|
-
|
|
463
232
|
label: "state 11\n lines -> line lines ."
|
|
464
|
-
|
|
465
|
-
}
|
|
233
|
+
}
|
|
466
|
-
|
|
467
|
-
node: {
|
|
234
|
+
node: {
|
|
468
|
-
|
|
469
235
|
title: "12"
|
|
470
|
-
|
|
471
236
|
label: "state 12\n line -> S '\n' ."
|
|
472
|
-
|
|
473
|
-
}
|
|
237
|
+
}
|
|
474
|
-
|
|
475
|
-
node: {
|
|
238
|
+
node: {
|
|
476
|
-
|
|
477
239
|
title: "13"
|
|
478
|
-
|
|
479
240
|
label: "state 13\n L -> S L ."
|
|
480
|
-
|
|
481
|
-
}
|
|
241
|
+
}
|
|
482
|
-
|
|
483
|
-
|
|
484
|
-
|
|
485
242
|
|
|
486
243
|
|
|
487
244
|
}
|
|
488
|
-
|
|
489
245
|
```
|
|
490
246
|
|
|
491
|
-
|
|
492
|
-
|
|
493
247
|
### 補足情報（FW/ツールのバージョンなど）
|
|
494
|
-
|
|
495
248
|
環境はwindows10のwsl2で、bisonのバージョンは以下のとおりです。
|
|
496
|
-
|
|
497
249
|
```
|
|
498
|
-
|
|
499
250
|
bison (GNU Bison) 1.875
|
|
500
|
-
|
|
501
251
|
Written by Robert Corbett and Richard Stallman.
|
|
502
252
|
|
|
503
|
-
|
|
504
|
-
|
|
505
253
|
Copyright (C) 2002 Free Software Foundation, Inc.
|
|
506
|
-
|
|
507
254
|
This is free software; see the source for copying conditions. There is NO
|
|
508
|
-
|
|
509
255
|
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
510
|
-
|
|
511
256
|
```
|
1
タグの追加
test
CHANGED
|
File without changes
|
test
CHANGED
|
File without changes
|