Highlight hex literals

2014-11-25 19:44:29 +00:00
parent 01998a20bc
commit 91d69de57f
1 changed files with 25 additions and 1 deletions
--- a/rust.mm
+++ b/rust.mm
@@ -178,8 +178,28 @@ SInt32 skipUse(BBLMTextIterator &iter)
 SInt32 skipNumber(BBLMTextIterator &iter)
 {
    UInt32 length = 0;
-    UniChar ch;
+    UniChar ch = iter.GetNextChar();
    bool hasSuffix = false;
+    bool isHex = false;
+    
+    if (ch == '0')
+    {
+        ch = iter.GetNextChar();
+        if (ch == 'x')
+        {
+            isHex = true;
+            length += 2;
+        }
+        else if (ch)
+        {
+            length++;
+            iter--;
+        }
+    }
+    else if (ch)
+    {
+        iter--;
+    }
    
    while ((ch = iter.GetNextChar()))
    {
@@ -187,6 +207,10 @@ SInt32 skipNumber(BBLMTextIterator &iter)
        {
            length++;
        }
+        else if (isHex && ((ch >= 'a' && ch <= 'f') || (ch >= 'A' && ch <= 'F')))
+        {
+            length++;
+        }
        else if (ch == 'f' || ch == 'u' || ch == 'i')
        {
            hasSuffix = true;