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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+<head>
+<meta http-equiv="content-type" content="text/html; charset=UTF-8">
+<title>Mu - 074console.mu</title>
+<meta name="Generator" content="Vim/7.4">
+<meta name="plugin-version" content="vim7.4_v1">
+<meta name="syntax" content="none">
+<meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy=">
+<meta name="colorscheme" content="minimal">
+<style type="text/css">
+<!--
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+body { font-family: monospace; color: #eeeeee; background-color: #080808; }
+* { font-size: 1.05em; }
+.Delimiter { color: #a04060; }
+.Comment { color: #9090ff; }
+.Constant { color: #00a0a0; }
+.Special { color: #ff6060; }
+.CommentedCode { color: #6c6c6c; }
+.muControl { color: #c0a020; }
+.muRecipe { color: #ff8700; }
+-->
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+
+<script type='text/javascript'>
+<!--
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+-->
+</script>
+</head>
+<body>
+<pre id='vimCodeElement'>
+<span class="Comment"># Wrappers around interaction primitives that take a potentially fake object</span>
+<span class="Comment"># and are thus easier to test.</span>
+
+exclusive-container event [
+  text:character
+  keycode:number  <span class="Comment"># keys on keyboard without a unicode representation</span>
+  touch:touch-event  <span class="Comment"># mouse, track ball, etc.</span>
+  <span class="Comment"># update the assume-console handler if you add more variants</span>
+]
+
+container touch-event [
+  type:number
+  row:number
+  column:number
+]
+
+container console [
+  index:number
+  data:address:array:event
+]
+
+<span class="muRecipe">recipe</span> new-fake-console [
+  <span class="Constant">default-space</span>:address:array:location<span class="Special"> &lt;- </span>new location:type, <span class="Constant">30:literal</span>
+  result:address:console<span class="Special"> &lt;- </span>new console:type
+  buf:address:address:array:character<span class="Special"> &lt;- </span>get-address result:address:console/deref, data:offset
+<span class="CommentedCode">#?   $start-tracing #? 1</span>
+  buf:address:address:array:character/deref<span class="Special"> &lt;- </span><span class="Constant">next-ingredient</span>
+<span class="CommentedCode">#?   $stop-tracing #? 1</span>
+  idx:address:number<span class="Special"> &lt;- </span>get-address result:address:console/deref, index:offset
+  idx:address:number/deref<span class="Special"> &lt;- </span>copy <span class="Constant">0:literal</span>
+  <span class="muControl">reply</span> result:address:console
+]
+
+<span class="muRecipe">recipe</span> read-event [
+  <span class="Constant">default-space</span>:address:array:location<span class="Special"> &lt;- </span>new location:type, <span class="Constant">30:literal</span>
+  x:address:console<span class="Special"> &lt;- </span><span class="Constant">next-ingredient</span>
+  <span class="Delimiter">{</span>
+    <span class="muControl">break-unless</span> x:address:console
+    idx:address:number<span class="Special"> &lt;- </span>get-address x:address:console/deref, index:offset
+    buf:address:array:event<span class="Special"> &lt;- </span>get x:address:console/deref, data:offset
+    <span class="Delimiter">{</span>
+      max:number<span class="Special"> &lt;- </span>length buf:address:array:event/deref
+      done?:boolean<span class="Special"> &lt;- </span>greater-or-equal idx:address:number/deref, max:number
+      <span class="muControl">break-unless</span> done?:boolean
+      dummy:address:event<span class="Special"> &lt;- </span>new event:type
+      <span class="muControl">reply</span> dummy:address:event/deref, x:address:console/same-as-ingredient:0, <span class="Constant">1:literal/found</span>, <span class="Constant">1:literal/quit</span>
+    <span class="Delimiter">}</span>
+    result:event<span class="Special"> &lt;- </span>index buf:address:array:event/deref, idx:address:number/deref
+    idx:address:number/deref<span class="Special"> &lt;- </span>add idx:address:number/deref, <span class="Constant">1:literal</span>
+    <span class="muControl">reply</span> result:event, x:address:console/same-as-ingredient:0, <span class="Constant">1:literal/found</span>, <span class="Constant">0:literal/quit</span>
+  <span class="Delimiter">}</span>
+  <span class="Comment"># real event source is infrequent; avoid polling it too much</span>
+  switch
+  result:event, found?:boolean<span class="Special"> &lt;- </span>check-for-interaction
+  <span class="muControl">reply</span> result:event, x:address:console/same-as-ingredient:0, found?:boolean, <span class="Constant">0:literal/quit</span>
+]
+
+<span class="Comment"># variant of read-event for just keyboard events. Discards everything that</span>
+<span class="Comment"># isn't unicode, so no arrow keys, page-up/page-down, etc. But you still get</span>
+<span class="Comment"># newlines, tabs, ctrl-d..</span>
+<span class="muRecipe">recipe</span> read-key [
+  <span class="Constant">default-space</span>:address:array:location<span class="Special"> &lt;- </span>new location:type, <span class="Constant">30:literal</span>
+<span class="CommentedCode">#?   $print default-space:address:array:location #? 1</span>
+<span class="CommentedCode">#?   $exit #? 1</span>
+<span class="CommentedCode">#?   $start-tracing #? 1</span>
+  console:address<span class="Special"> &lt;- </span><span class="Constant">next-ingredient</span>
+  x:event, console:address, found?:boolean, quit?:boolean<span class="Special"> &lt;- </span>read-event console:address
+<span class="CommentedCode">#?   $print [aaa 1] #? 1</span>
+  <span class="muControl">reply-if</span> quit?:boolean, <span class="Constant">0:literal</span>, console:address/same-as-ingredient:0, found?:boolean, quit?:boolean
+<span class="CommentedCode">#?   $print [aaa 2] #? 1</span>
+  <span class="muControl">reply-unless</span> found?:boolean, <span class="Constant">0:literal</span>, console:address/same-as-ingredient:0, found?:boolean, quit?:boolean
+<span class="CommentedCode">#?   $print [aaa 3] #? 1</span>
+  c:address:character<span class="Special"> &lt;- </span>maybe-convert x:event, text:variant
+  <span class="muControl">reply-unless</span> c:address:character, <span class="Constant">0:literal</span>, console:address/same-as-ingredient:0, <span class="Constant">0:literal/found</span>, <span class="Constant">0:literal/quit</span>
+<span class="CommentedCode">#?   $print [aaa 4] #? 1</span>
+  <span class="muControl">reply</span> c:address:character/deref, console:address/same-as-ingredient:0, <span class="Constant">1:literal/found</span>, <span class="Constant">0:literal/quit</span>
+]
+
+<span class="muRecipe">recipe</span> send-keys-to-channel [
+  <span class="Constant">default-space</span>:address:array:location<span class="Special"> &lt;- </span>new location:type, <span class="Constant">30:literal</span>
+  console:address<span class="Special"> &lt;- </span><span class="Constant">next-ingredient</span>
+  chan:address:channel<span class="Special"> &lt;- </span><span class="Constant">next-ingredient</span>
+  screen:address<span class="Special"> &lt;- </span><span class="Constant">next-ingredient</span>
+  <span class="Delimiter">{</span>
+    c:character, console:address, found?:boolean, quit?:boolean<span class="Special"> &lt;- </span>read-key console:address
+    <span class="muControl">loop-unless</span> found?:boolean
+    <span class="muControl">break-if</span> quit?:boolean
+    assert c:character, <span class="Constant">[invalid event, expected text]</span>
+    print-character screen:address, c:character
+    chan:address:channel<span class="Special"> &lt;- </span>write chan:address:channel, c:character
+    <span class="muControl">loop</span>
+  <span class="Delimiter">}</span>
+]
+
+<span class="muRecipe">recipe</span> wait-for-event [
+  <span class="Constant">default-space</span>:address:array:location<span class="Special"> &lt;- </span>new location:type, <span class="Constant">30:literal</span>
+  console:address<span class="Special"> &lt;- </span><span class="Constant">next-ingredient</span>
+  <span class="Delimiter">{</span>
+    _, console:address, found?:boolean<span class="Special"> &lt;- </span>read-event console:address
+    <span class="muControl">loop-unless</span> found?:boolean
+  <span class="Delimiter">}</span>
+]
+</pre>
+</body>
+</html>
+<!-- vim: set foldmethod=manual : -->