do not mangle hex float constants in function calls

2 files changed, 2 insertions, 1 deletions

diff --git a/src/parseTools.js b/src/parseTools.js
index 3489964f..455cbe8b 100644
--- a/src/parseTools.js
+++ b/src/parseTools.js
@@ -479,7 +479,7 @@ function parseParamTokens(params) {
         segment[0].text += segment[1].text;
         segment.splice(1, 1); // TODO: merge tokens nicely
       }
-      var num = isNumber(segment[1].text);
+      var num = isNumber(segment[1].text) || (segment[1].text[0] === '0'); // handle 0x... as well
       var ident = parseNumerical(segment[1].text, segment[0].text);
       if (!num) ident = toNiceIdent(ident);
       ret.push({
diff --git a/src/utility.js b/src/utility.js
index ac821a89..62adb807 100644
--- a/src/utility.js
+++ b/src/utility.js
@@ -222,6 +222,7 @@ function mergeInto(obj, other) {
 }
 
 function isNumber(x) {
+  // XXX this does not handle 0xabc123 etc
   return x == parseFloat(x) || (typeof x == 'string' && x.match(/^-?\d+$/));
 }