Rst docs conversion (#3496)

Rst docs conversion

1 files changed, 44 insertions, 0 deletions

diff --git a/docs/images/basics_parsetree.tex b/docs/images/basics_parsetree.tex
new file mode 100644
index 000000000..1c8392b88
--- /dev/null
+++ b/docs/images/basics_parsetree.tex
@@ -0,0 +1,44 @@
+\documentclass[12pt,tikz]{standalone}
+\pdfinfoomitdate 1
+\pdfsuppressptexinfo 1
+\pdftrailerid{}
+\usepackage[utf8]{inputenc}
+\usepackage{amsmath}
+\usepackage{pgfplots}
+\usepackage{tikz}
+\usetikzlibrary{shapes.geometric}
+\pagestyle{empty}
+
+\begin{document}
+\begin{tikzpicture}
+	\tikzstyle{node} = [draw, fill=green!10, ellipse, minimum height=2em, minimum width=8em, node distance=10em]
+
+	\draw (+0,+1) node[node] (n1) {\tt assign\_stmt};
+
+	\draw (-6,-1) node[node] (n11) {\tt TOK\_ASSIGN};
+	\draw (-3,-2) node[node] (n12) {\tt TOK\_IDENTIFIER};
+	\draw (+0,-1) node[node] (n13) {\tt TOK\_EQ};
+	\draw (+3,-2) node[node] (n14) {\tt expr};
+	\draw (+6,-1) node[node] (n15) {\tt TOK\_SEMICOLON};
+
+	\draw (-1,-4) node[node] (n141) {\tt expr};
+	\draw (+3,-4) node[node] (n142) {\tt TOK\_PLUS};
+	\draw (+7,-4) node[node] (n143) {\tt expr};
+
+	\draw (-1,-5.5) node[node] (n1411) {\tt TOK\_IDENTIFIER};
+	\draw (+7,-5.5) node[node] (n1431) {\tt TOK\_NUMBER};
+
+	\draw[-latex] (n1) -- (n11);
+	\draw[-latex] (n1) -- (n12);
+	\draw[-latex] (n1) -- (n13);
+	\draw[-latex] (n1) -- (n14);
+	\draw[-latex] (n1) -- (n15);
+
+	\draw[-latex] (n14) -- (n141);
+	\draw[-latex] (n14) -- (n142);
+	\draw[-latex] (n14) -- (n143);
+
+	\draw[-latex] (n141) -- (n1411);
+	\draw[-latex] (n143) -- (n1431);
+\end{tikzpicture}
+\end{document}