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-rw-r--r--subx/apps/crenshaw2-1.subx7
1 files changed, 4 insertions, 3 deletions
diff --git a/subx/apps/crenshaw2-1.subx b/subx/apps/crenshaw2-1.subx
index 09f551c3..a7b8772c 100644
--- a/subx/apps/crenshaw2-1.subx
+++ b/subx/apps/crenshaw2-1.subx
@@ -1,5 +1,5 @@
-## port of https://github.com/akkartik/crenshaw/blob/master/tutor2.1.pas
-# corresponds to the section "single digits" in https://compilers.iecc.com/crenshaw/tutor2.txt
+## Port of https://github.com/akkartik/crenshaw/blob/master/tutor2.1.pas
+# Corresponds to the section "single digits" in https://compilers.iecc.com/crenshaw/tutor2.txt
 #
 # To run (from the subx directory):
 #   $ ./subx translate *.subx apps/crenshaw2-1.subx -o crenshaw2-1
@@ -21,7 +21,8 @@
 #   $ echo 'xyz'  |./subx run apps/crenshaw2-1
 #   Error: integer expected
 #
-# Names in this file sometimes follow Crenshaw's original rather than the usual naming conventions.
+# Names in this file sometimes follow Crenshaw's original rather than my usual
+# naming conventions.
 
 == code
 # instruction                     effective address                                                   operand     displacement    immediate
#555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
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<pre id='vimCodeElement'>
<span class="Comment"># example program: maintain multiple counters with isolated lexical scopes</span>
<span class="Comment"># (spaces)</span>

<span class="muRecipe">def</span> new-counter n:number<span class="muRecipe"> -&gt; </span><span class="Constant">default-space</span>:address:array:location [
  <span class="Constant">default-space</span><span class="Special"> &lt;- </span>new <span class="Constant">location:type</span>, <span class="Constant">30</span>
  <span class="Constant">load-ingredients</span>
]

<span class="muRecipe">def</span> increment-counter outer:address:array:location/names:new-counter, x:number<span class="muRecipe"> -&gt; </span>n:number/space:<span class="Constant">1</span> [
  <span class="Constant">local-scope</span>
  <span class="Constant">load-ingredients</span>
  <span class="Constant">0</span>:address:array:location/names:new-counter<span class="Special"> &lt;- </span>copy outer  <span class="Comment"># setup outer space; it *must* come from 'new-counter'</span>
  n/space:<span class="Constant">1</span><span class="Special"> &lt;- </span>add n/space:<span class="Constant">1</span>, x
]

<span class="muRecipe">def</span> main [
  <span class="Constant">local-scope</span>
  <span class="Comment"># counter A</span>
  a:address:array:location<span class="Special"> &lt;- </span>new-counter <span class="Constant">34</span>
  <span class="Comment"># counter B</span>
  b:address:array:location<span class="Special"> &lt;- </span>new-counter <span class="Constant">23</span>
  <span class="Comment"># increment both by 2 but in different ways</span>
  increment-counter a, <span class="Constant">1</span>
  b-value:number<span class="Special"> &lt;- </span>increment-counter b, <span class="Constant">2</span>
  a-value:number<span class="Special"> &lt;- </span>increment-counter a, <span class="Constant">1</span>
  <span class="Comment"># check results</span>
  $print <span class="Constant">[Contents of counters]</span>, <span class="Constant">10/newline</span>
  <span class="Comment"># trailing space in next line is to help with syntax highlighting</span>
  $print <span class="Constant">[a: ]</span>, a-value, <span class="Constant">[ b: ]</span>, b-value,  <span class="Constant">10/newline</span>
]
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