Avoid unnecessary allocations in the FunctionCallExpression class

diff --git a/lib/config/expression.cpp b/lib/config/expression.cpp
index 3f95435a01cc2d76aa8f58aece286b06928566b9..a2a75f62f731a39656a7b0ef84b39819d1811bfe 100644 (file)
--- a/lib/config/expression.cpp
+++ b/lib/config/expression.cpp
@@ -428,6 +428,7 @@ ExpressionResult FunctionCallExpression::DoEvaluate(ScriptFrame& frame, DebugHin
 
        if (vfunc.IsObjectType<Type>()) {
                std::vector<Value> arguments;
+               arguments.reserve(m_Args.size());
                for (Expression *arg : m_Args) {
                        ExpressionResult argres = arg->Evaluate(frame);
                        CHECK_RESULT(argres);
@@ -447,6 +448,7 @@ ExpressionResult FunctionCallExpression::DoEvaluate(ScriptFrame& frame, DebugHin
                BOOST_THROW_EXCEPTION(ScriptError("Function is not marked as safe for sandbox mode.", m_DebugInfo));
 
        std::vector<Value> arguments;
+       arguments.reserve(m_Args.size());
        for (Expression *arg : m_Args) {
                ExpressionResult argres = arg->Evaluate(frame);
                CHECK_RESULT(argres);