From e5c85dd3bd3eaa254db87225db0901b779ee02e1 Mon Sep 17 00:00:00 2001
From: Alexey Andreev <Alexey.Andreev@jetbrains.com>
Date: Fri, 16 Nov 2018 19:04:15 +0300
Subject: [PATCH] Prevent inlining of JSBody code in some complex cases

---
 .../main/java/org/teavm/jso/impl/JSBodyInlineUtil.java | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/jso/impl/src/main/java/org/teavm/jso/impl/JSBodyInlineUtil.java b/jso/impl/src/main/java/org/teavm/jso/impl/JSBodyInlineUtil.java
index ee07a8641..206d1fef8 100644
--- a/jso/impl/src/main/java/org/teavm/jso/impl/JSBodyInlineUtil.java
+++ b/jso/impl/src/main/java/org/teavm/jso/impl/JSBodyInlineUtil.java
@@ -44,7 +44,7 @@ final class JSBodyInlineUtil {
 
         ComplexityCounter complexityCounter = new ComplexityCounter();
         expression.visit(complexityCounter);
-        if (complexityCounter.getComplexity() > COMPLEXITY_THRESHOLD) {
+        if (complexityCounter.hasUnsupportedConstructs || complexityCounter.getComplexity() > COMPLEXITY_THRESHOLD) {
             return null;
         }
 
@@ -86,6 +86,7 @@ final class JSBodyInlineUtil {
 
     static class ComplexityCounter implements NodeVisitor {
         private int complexity;
+        boolean hasUnsupportedConstructs;
 
         public int getComplexity() {
             return complexity;
@@ -94,6 +95,13 @@ final class JSBodyInlineUtil {
         @Override
         public boolean visit(AstNode node) {
             ++complexity;
+            switch (node.getType()) {
+                case Token.FUNCTION:
+                case Token.OBJECTLIT:
+                case Token.ARRAYLIT:
+                    hasUnsupportedConstructs = true;
+                    break;
+            }
             return true;
         }
     }