From 82931045a244712297ee1e83368728e0b2b6986e Mon Sep 17 00:00:00 2001
From: Ben S <ogham@bsago.me>
Date: Sun, 15 Feb 2015 02:44:29 +0000
Subject: [PATCH] Highlight macro_rules! definitions + arguments

---
 info.plist |   2 +-
 rust.mm    | 109 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 110 insertions(+), 1 deletion(-)

diff --git a/info.plist b/info.plist
index 8309356..a6a3276 100644
--- a/info.plist
+++ b/info.plist
@@ -87,7 +87,7 @@
 						<string>in</string>
 						<string>let</string>
 						<string>loop</string>
-						<string>macro_rules!</string>
+						<string>macro_rules</string>
 						<string>match</string>
 						<string>mod</string>
 						<string>mut</string>
diff --git a/rust.mm b/rust.mm
index 63b883e..7612951 100644
--- a/rust.mm
+++ b/rust.mm
@@ -588,6 +588,104 @@ OSErr calculateRuns(BBLMParamBlock &params, const BBLMCallbackBlock *callbacks)
                     iter--;
                 }
             }
+            else if (ch == 'a')
+            {
+                // I am ashamed of how nested this code is.
+                ch = iter.GetNextChar();
+                if (ch == 'c')
+                {
+                    ch = iter.GetNextChar();
+                    if (ch == 'r')
+                    {
+                        ch = iter.GetNextChar();
+                        if (ch == 'o')
+                        {
+                            ch = iter.GetNextChar();
+                            if (ch == '_')
+                            {
+                                ch = iter.GetNextChar();
+                                if (ch == 'r')
+                                {
+                                    ch = iter.GetNextChar();
+                                    if (ch == 'u')
+                                    {
+                                        ch = iter.GetNextChar();
+                                        if (ch == 'l')
+                                        {
+                                            ch = iter.GetNextChar();
+                                            if (ch == 'e')
+                                            {
+                                                ch = iter.GetNextChar();
+                                                if (ch == 's')
+                                                {
+                                                    ch = iter.GetNextChar();
+                                                    if (ch == '!')
+                                                    {
+                                                        ch = iter.GetNextChar();
+                                                        if (isspace(ch))
+                                                        {
+                                                            if (!makeCodeRun(iter, runStart, *callbacks)) return noErr;
+                                                            runStart = iter.Offset();
+                                                            runLen = skipWhitespace(iter);
+                                                            runLen += skipWord(iter);
+                                                            if (!addRun(functionColour, runStart, runLen, *callbacks)) return noErr;
+                                                            runStart = iter.Offset();
+                                                        }
+                                                        else if (ch)
+                                                        {
+                                                            iter--;
+                                                        }
+                                                    }
+                                                    else if (ch)
+                                                    {
+                                                        iter--;
+                                                    }
+                                                }
+                                                else if (ch)
+                                                {
+                                                    iter--;
+                                                }
+                                            }
+                                            else if (ch)
+                                            {
+                                                iter--;
+                                            }
+                                        }
+                                        else if (ch)
+                                        {
+                                            iter--;
+                                        }
+                                    }
+                                    else if (ch)
+                                    {
+                                        iter--;
+                                    }
+                                }
+                                else if (ch)
+                                {
+                                    iter--;
+                                }
+                            }
+                            else if (ch)
+                            {
+                                iter--;
+                            }
+                        }
+                        else if (ch)
+                        {
+                            iter--;
+                        }
+                    }
+                    else if (ch)
+                    {
+                        iter--;
+                    }
+                }
+                else if (ch)
+                {
+                    iter--;
+                }
+            }
             else if (ch)
             {
                 iter--;
@@ -722,6 +820,17 @@ OSErr calculateRuns(BBLMParamBlock &params, const BBLMCallbackBlock *callbacks)
             if (!addRun(attributeColour, runStart, runLen, *callbacks)) return noErr;
             runStart = iter.Offset();
         }
+        
+        else if (ch == '$')
+        {
+            iter--;
+            if (!makeCodeRun(iter, runStart, *callbacks)) return noErr;
+            runStart = iter.Offset();
+            iter++;
+            runLen = skipWord(iter) + 1;
+            if (runLen > 1 && !addRun(kBBLMVariableRunKind, runStart, runLen, *callbacks)) return noErr;
+            runStart = iter.Offset();
+        }
 
         else if (!wordchr && isupper(ch))
         {