fix stateChanged check in AsyncEmbeddedScript

src/kiss/AsyncEmbeddedScript.hx

@@ -304,6 +304,7 @@ class AsyncEmbeddedScript {
                     }
 
                     nextExp = Kiss.macroExpand(nextExp, k);
+                    var stateChanged = k.stateChanged;
                     
                     // Allow packing multiple commands into one exp with a (commands <...>) statement
                     switch (nextExp.def) {
@@ -327,8 +328,8 @@ class AsyncEmbeddedScript {
                         var c = macro function(self, cc) {
                             $expr;
                         };
-                        // If the expression didn't add any fields, it can be cached
-                        if (k.fieldList.length == fieldCount)
+                        // If the expression didn't change the KissState when macroExpanding, it can be cached
+                        if (!stateChanged)
                             cache[cacheKey] = expr.toString();
 
                         commandList.push(c.expr.withMacroPosOf(nextExp));

src/kiss/Macros.hx

@@ -1081,6 +1081,7 @@ class Macros {
             k.collectedBlocks[blockName] = [];
             // TODO some assertion that the coder hasn't defined over another macro (also should apply to defMacro)
             macros[blockName] = (wholeExp:ReaderExp, innerExps:Array<ReaderExp>, k:KissState) -> {
+                k.stateChanged = true;
                 k.collectedBlocks[blockName] = k.collectedBlocks[blockName].concat(innerExps);
                 if (exps.length > 1) exps[1] else null;
             };