From 5ad537f261685d2898082f46b9d66021b417dc93 Mon Sep 17 00:00:00 2001
From: Ben S <ogham@bsago.me>
Date: Wed, 5 Nov 2014 12:02:17 +0000
Subject: [PATCH] Don't start number/identifier runs halfway through a word

---
 rust.mm | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/rust.mm b/rust.mm
index 8d331cd..cea72a9 100644
--- a/rust.mm
+++ b/rust.mm
@@ -423,6 +423,7 @@ OSErr calculateRuns(BBLMParamBlock &params, const BBLMCallbackBlock *callbacks)
     SInt32 runLen;
     
     UniChar ch;
+    bool wordchr = false;
     while ((ch = iter.GetNextChar()))
     {
         if (ch == '"')
@@ -527,7 +528,7 @@ OSErr calculateRuns(BBLMParamBlock &params, const BBLMCallbackBlock *callbacks)
             runStart = iter.Offset();
         }
         
-        else if (isupper(ch))
+        else if (!wordchr && isupper(ch))
         {
             iter--;
             if (!makeCodeRun(iter, runStart, *callbacks)) return noErr;
@@ -537,7 +538,7 @@ OSErr calculateRuns(BBLMParamBlock &params, const BBLMCallbackBlock *callbacks)
             runStart = iter.Offset();
         }
         
-        else if (isdigit(ch))
+        else if (!wordchr && isdigit(ch))
         {
             iter--;
             if (!makeCodeRun(iter, runStart, *callbacks)) return noErr;
@@ -546,6 +547,8 @@ OSErr calculateRuns(BBLMParamBlock &params, const BBLMCallbackBlock *callbacks)
             if (!addRun(kBBLMNumberRunKind, runStart, runLen, *callbacks)) return noErr;
             runStart = iter.Offset();
         }
+        
+        wordchr = isalpha(ch) || isdigit(ch);
     }
     
     makeCodeRun(iter, runStart, *callbacks);