From 85f4a0479c4f1ecb8b589b18393ee00d164b026a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hugo=20H=C3=B6rnquist?= <hugo@lysator.liu.se>
Date: Sat, 4 Jul 2020 03:28:49 +0200
Subject: Add script for generating dependency graphs.

---
 use2dot/change_graph.py | 40 ++++++++++++++++++++++++++++++++++++++++
 use2dot/gen_use_graph   | 10 ++++++++++
 2 files changed, 50 insertions(+)
 create mode 100755 use2dot/change_graph.py
 create mode 100755 use2dot/gen_use_graph

(limited to 'use2dot')

diff --git a/use2dot/change_graph.py b/use2dot/change_graph.py
new file mode 100755
index 00000000..50d1c34f
--- /dev/null
+++ b/use2dot/change_graph.py
@@ -0,0 +1,40 @@
+#!/usr/bin/env python3
+
+import re
+import colorsys
+import hashlib
+import sys
+
+def md5(str):
+    return hashlib.md5(str.encode("UTF-8")).hexdigest()
+
+def rgb(str):
+    return md5(str)[0:6]
+
+def main(args):
+
+    if len(args) < 3:
+        print("Usage: ./change_graph.py <infile> <outfile>")
+        return
+
+    [_, infile, outfile, *rest] = args
+
+    with open(infile) as f:
+        lines = f.readlines()
+        # [3:-1]
+
+    f = open(outfile, 'w')
+
+    for line in lines:
+        m = re.search('^( *"\(([^)]*)\)" -> "(\([^)]*\))");', line)
+        if m:
+            f.write(f'{m.group(1)} [color="#{rgb(m.group(2))}"];\n')
+        else:
+            f.write(line)
+        # colorsys.hsv_to_rgb(
+
+
+#  "(server macro)" -> "(ice-9 regex)";
+
+if __name__ == "__main__":
+    main(sys.argv)
diff --git a/use2dot/gen_use_graph b/use2dot/gen_use_graph
new file mode 100755
index 00000000..030d0c7d
--- /dev/null
+++ b/use2dot/gen_use_graph
@@ -0,0 +1,10 @@
+#!/bin/bash
+
+dir=$(mktemp -d)
+here=$(dirname $(realpath $0))
+
+guild use2dot -m '(main)' -- `find module -name \*.scm` > $dir/use.dot
+$here/change_graph.py $dir/use.dot $dir/use2.dot
+grep -v '\(srfi\|ice-9\|(util)\)' $dir/use2.dot > $dir/use3.dot
+
+fdp $dir/use3.dot -Tpdf -o use.pdf
-- 
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