Start discussing parse trees.

1 files changed, 44 insertions, 0 deletions

diff --git a/figs/parsetree1.dot b/figs/parsetree1.dot
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+graph parsetree1 {
+	node [texmode="math",shape="none"];
+	S0 [label="S"];
+	T0 [label="T"];
+	S1 [label="S"];
+	a0 [label="a"];
+	S2 [label="S"];
+	b0 [label="b"];
+	T1 [label="T"];
+	S3 [label="S"];
+	T2 [label="T"];
+	S4 [label="S"];
+	spacer [label="",style="invisible"];
+	a1 [label="a"];
+	S5 [label="S"];
+	b1 [label="b"];
+	e0 [label="e",texlbl="$\varepsilon$"];
+	a2 [label="a"];
+	S6 [label="S"];
+	b2 [label="b"];
+	e1 [label="e",texlbl="$\varepsilon$"];
+	e2 [label="e",texlbl="$\varepsilon$"];
+	e3 [label="e",texlbl="$\varepsilon$"];
+	S0 -- T0;
+	S0 -- S1;
+	T0 -- a0;
+	T0 -- S2;
+	T0 -- b0;
+	S1 -- T1;
+	S1 -- S3;
+	S2 -- T2;
+	S2 -- S4;
+	b0 -- spacer [style="invisible"];
+	T1 -- a1;
+	T1 -- S5;
+	T1 -- b1;
+	S3 -- e0;
+	T2 -- a2;
+	T2 -- S6;
+	T2 -- b2;
+	S4 -- e1;
+	S5 -- e2;
+	S6 -- e3;
+}