Method NeedsFunction

hlslparser/src/HLSLTree.cpp:410–443

TODO: Nothing calling this?

// TODO: Nothing calling this?
bool HLSLTree::NeedsFunction(const char *name)
{
    // Early out
    if (!GetContainsString(name))
        return false;

    struct NeedsFunctionVisitor : HLSLTreeVisitor {
        const char *name;
        bool result;

        virtual ~NeedsFunctionVisitor() {}

        virtual void VisitTopLevelStatement(HLSLStatement *node)
        {
            if (!node->hidden)
                HLSLTreeVisitor::VisitTopLevelStatement(node);
        }

        virtual void VisitFunctionCall(HLSLFunctionCall *node)
        {
            result = result || String_Equal(name, node->function->name);

            HLSLTreeVisitor::VisitFunctionCall(node);
        }
    };

    NeedsFunctionVisitor visitor;
    visitor.name = name;
    visitor.result = false;

    visitor.VisitRoot(m_root);

    return visitor.result;
}

// Returns dimension, 0 if invalid.
int HLSLTree::GetExpressionValue(HLSLExpression *expression, float values[4])