1 files changed, 45 insertions, 0 deletions
diff --git a/vendor/cxx/book/diagram/overview.tex b/vendor/cxx/book/diagram/overview.tex
new file mode 100644
index 000000000..a613bb751
--- /dev/null
+++ b/vendor/cxx/book/diagram/overview.tex
@@ -0,0 +1,45 @@
+\documentclass{standalone}
+\usepackage{makecell}
+\usepackage{pgfplots}
+\usepackage{sansmath}
+\usetikzlibrary{arrows.meta}
+\pgfplotsset{compat=1.16}
+\begin{document}
+\pagecolor{white}
+\begin{tikzpicture}[
+  x=1cm,
+  y=-.6cm,
+  every node/.append style={
+    line width=1.5pt,
+    font=\Large\sansmath\sffamily,
+  },
+  every path/.append style={
+    >={Latex[length=10pt,width=8pt]},
+    line width=1.5pt,
+  },
+  execute at end node={\vphantom{bg}},
+]
+\node[draw, rounded corners=5, inner xsep=30pt, inner ysep=2pt]
+  (bridge) at (0, .25) {\makecell{\texttt{\#\hspace{-1pt}[}cxx::bridge\texttt{]} mod\\[-4pt]description of boundary}};
+\node[draw, rounded corners, inner xsep=10pt, inner ysep=6pt, text depth=1pt]
+  (rust-bindings) at (-3.5, 6.5) {Rust bindings};
+\node[draw, rounded corners, inner xsep=10pt, inner ysep=6pt, text depth=1pt]
+  (cpp-bindings) at (3.5, 6.5) {C\texttt{++} bindings};
+\node[inner xsep=4pt, inner ysep=-0pt]
+  (rust-code) at (-9, 6.5) {\makecell[r]{\\[-8pt]Rust\\[-4pt]code}};
+\node[inner xsep=4pt, inner ysep=-0pt]
+  (cpp-code) at (9, 6.5) {\makecell[l]{\\[-8pt]C\texttt{++}\\[-4pt]code}};
+\draw (bridge) -- (0, 4);
+\draw[<->] (rust-bindings) |- (0, 4) -| (cpp-bindings);
+\draw[<->] (rust-code) -- (rust-bindings);
+\draw[<->, dash pattern=on 8pt off 6pt] (rust-bindings) -- (cpp-bindings);
+\draw[<->] (cpp-bindings) -- (cpp-code);
+\draw (-.75, 4) node[anchor=south east] {Macro expansion};
+\draw (.75, 4) node[anchor=south west] {Code generation};
+\draw (0, 6.5) node[anchor=south, inner ysep=4pt] {Hidden C ABI};
+\draw (-6.75, 6.5) node[anchor=south, inner ysep=1pt] {\makecell{Safe\\[-4pt]straightforward\\[-4pt]Rust APIs}};
+\draw (6.75, 6.5) node[anchor=south, inner ysep=1pt] {\makecell{Straightforward\\[-4pt]C\texttt{++} APIs}};
+\pgfresetboundingbox\path
+  (-9.5, 0) -- (rust-bindings.south)+(0, .3) -- (9.5, 0) -- (bridge.north);
+\end{tikzpicture}
+\end{document}