# HG changeset patch
# User Teemu Piippo <crimsondusk64@gmail.com>
# Date 1391513902 -7200
# Node ID 4db95b92c29a62af9213cafd839defb2b385128b
# Parent  8915ee6a277d46c89ea18ee23bedb4017285a4b5
- fixed verification with unary operators

diff -r 8915ee6a277d -r 4db95b92c29a src/Expression.cc
--- a/src/Expression.cc	Tue Feb 04 04:35:49 2014 +0200
+++ b/src/Expression.cc	Tue Feb 04 13:38:22 2014 +0200
@@ -235,6 +235,14 @@
 //
 void Expression::TryVerifyValue (bool* verified, SymbolList::Iterator it)
 {
+	// If it's an unary operator we skip to its value. The actual operator will
+	// be verified separately.
+	if ((*it)->GetType() == eOperatorSymbol &&
+		gOperators[static_cast<ExpressionOperator*> (*it)->GetID()].numoperands == 1)
+	{
+		++it;
+	}
+
 	int i = it - mSymbols.begin();
 
 	// Ensure it's an actual value
@@ -414,10 +422,12 @@
 	ExpressionValue* newval = new ExpressionValue (mType);
 
 	if (isconstexpr == false)
+	{
+		// This is not a constant expression so we'll have to use databuffers
+		// to convey the expression to bytecode. Actual value cannot be evaluated
+		// until Zandronum processes it at run-time.
 		newval->SetBuffer (new DataBuffer);
 
-	if (isconstexpr == false)
-	{
 		if (op->GetID() == opTernary)
 		{
 			// There isn't a dataheader for ternary operator. Instead, we use dhIfNotGoto