From 08cac544980a9de9bcb3b13f2e6f0846097caa75 Mon Sep 17 00:00:00 2001
From: Julian Blake Kongslie
Date: Sat, 4 Jun 2022 00:10:32 -0700
Subject: Make IC definitions more self-contained

---
 library.rb | 43 ++++++++++++++++---------------------------
 1 file changed, 16 insertions(+), 27 deletions(-)

(limited to 'library.rb')

diff --git a/library.rb b/library.rb
index 0ba7cbc..1963b6e 100644
--- a/library.rb
+++ b/library.rb
@@ -24,13 +24,23 @@ end
 
 $ic = "TSSOP"
 
-IC = Struct.new(:value, :pincount, :subparts, :automatic)
-
-$ic_definitions = {}
-$ic_available_parts = {}
-
 def define_ic(name, value, pincount, *subparts, &automatic)
-  $ic_definitions[name] = IC.new(value, pincount, subparts, automatic)
+  parts = []
+  proc do
+    if parts.size < 1
+      ic = comp("U", "#{$ic}-#{pincount}", name, value)
+      automatic.call(ic)
+      subs = subparts.map { | sub | sub.map { | pin | ic[pin] } }
+      subs.each do | sub |
+        if sub.size == 2
+          parts << pair(*sub)
+        else
+          parts << sub
+        end
+      end
+    end
+    parts.shift
+  end
 end
 
 def stock_ic(name, value, &automatic)
@@ -40,27 +50,6 @@ def stock_ic(name, value, &automatic)
   end
 end
 
-def ic(name)
-  parts = $ic_available_parts.fetch(name, [])
-  if parts.size < 1
-    raise "IC #{name} not defined!" unless $ic_definitions.member?(name)
-    info = $ic_definitions[name]
-    ic = comp("U", "#{$ic}-#{info.pincount}", name, info.value)
-    info.automatic.call(ic)
-    subs = info.subparts.map { | sub | sub.map { | pin | ic[pin] } }
-    subs.each do | sub |
-      if sub.size == 2
-        parts << pair(*sub)
-      else
-        parts << sub
-      end
-    end
-  end
-  part = parts.shift
-  $ic_available_parts[name] = parts
-  return part
-end
-
 def probe(attenuation=20, impedance=50)
   jack = comp("J", "SMB", "SMB jack", "#{attenuation}x #{impedance}Ω probe")
   jack[2] - jack[3] - jack[4] - jack[5]
-- 
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