Evaluate parenthesized expression as the contained expression's value

diff --git a/source/programcompiler.cpp b/source/programcompiler.cpp
index fd756de0e00cbbca4c5aa18587b251afc4e94ccb..a68c8b96d7c9c40dc94a3bde6211f867652cd2db 100644 (file)
--- a/source/programcompiler.cpp
+++ b/source/programcompiler.cpp
@@ -944,6 +944,11 @@ void ProgramCompiler::ExpressionEvaluator::visit(Literal &literal)
        result_valid = true;
 }
 
+void ProgramCompiler::ExpressionEvaluator::visit(ParenthesizedExpression &parexp)
+{
+       parexp.expression->visit(*this);
+}
+
 void ProgramCompiler::ExpressionEvaluator::visit(VariableReference &var)
 {
        if(!var.declaration)

diff --git a/source/programcompiler.h b/source/programcompiler.h
index 2a31a962b989a5cec0021e82584f75a7036ccac4..8d7d1ad13b9c62b2b4dc0941c08c1a3cdb9fd6aa 100644 (file)
--- a/source/programcompiler.h
+++ b/source/programcompiler.h
@@ -168,6 +168,7 @@ private:
                ExpressionEvaluator(const ValueMap &);
 
                virtual void visit(ProgramSyntax::Literal &);
+               virtual void visit(ProgramSyntax::ParenthesizedExpression &);
                virtual void visit(ProgramSyntax::VariableReference &);
                virtual void visit(ProgramSyntax::UnaryExpression &);
                virtual void visit(ProgramSyntax::BinaryExpression &);