Only push new elements to parenStack when needed (via @lightmare) (ref #4096)

2019-11-18 08:45:03 +00:00 · 2019-11-18 08:45:03 +00:00 · 9dac8dcc34
commit 9dac8dcc34
parent a5a24f0260
1 changed files with 4 additions and 1 deletions
--- a/src/text/scrptrun.cpp
+++ b/src/text/scrptrun.cpp
@ -161,6 +161,9 @@ UBool ScriptRun::next()
        if (pairIndex >= 0) {
            if ((pairIndex & 1) == 0) {
                ++parenSP;
+                if (static_cast<std::size_t>(parenSP) < parenStack.size())
+                    parenStack[parenSP] = { pairIndex, scriptCode };
+                else
                    parenStack.emplace_back(pairIndex, scriptCode);
                startSP = parenSP;
            } else if (parenSP >= 0) {