namespace GL {
namespace SL {
+struct Operator
+{
+ enum Type
+ {
+ NO_OPERATOR,
+ BINARY,
+ PREFIX,
+ POSTFIX
+ };
+
+ enum Associativity
+ {
+ LEFT_TO_RIGHT,
+ RIGHT_TO_LEFT
+ };
+
+ char token[4];
+ unsigned precedence;
+ Type type;
+ Associativity assoc;
+
+ static const Operator operators[];
+};
+
struct NodeVisitor;
struct Node
virtual void visit(NodeVisitor &);
};
-struct NodeVisitor
-{
- virtual ~NodeVisitor() { }
-
- virtual void visit(Block &) { }
- virtual void visit(Literal &) { }
- virtual void visit(ParenthesizedExpression &) { }
- virtual void visit(VariableReference &) { }
- virtual void visit(MemberAccess &) { }
- virtual void visit(UnaryExpression &) { }
- virtual void visit(BinaryExpression &) { }
- virtual void visit(Assignment &);
- virtual void visit(FunctionCall &) { }
- virtual void visit(ExpressionStatement &) { }
- virtual void visit(Import &) { }
- virtual void visit(Precision &) { }
- virtual void visit(Layout &) { }
- virtual void visit(InterfaceLayout &) { }
- virtual void visit(StructDeclaration &) { }
- virtual void visit(VariableDeclaration &) { }
- virtual void visit(InterfaceBlock &) { }
- virtual void visit(FunctionDeclaration &) { }
- virtual void visit(Conditional &) { }
- virtual void visit(Iteration &) { }
- virtual void visit(Passthrough &) { }
- virtual void visit(Return &) { }
- virtual void visit(Jump &) { }
-};
-
-struct TraversingVisitor: NodeVisitor
-{
- using NodeVisitor::visit;
- virtual void visit(Block &);
- virtual void visit(ParenthesizedExpression &);
- virtual void visit(MemberAccess &);
- virtual void visit(UnaryExpression &);
- virtual void visit(BinaryExpression &);
- virtual void visit(FunctionCall &);
- virtual void visit(ExpressionStatement &);
- virtual void visit(InterfaceLayout &);
- virtual void visit(StructDeclaration &);
- virtual void visit(VariableDeclaration &);
- virtual void visit(InterfaceBlock &);
- virtual void visit(FunctionDeclaration &);
- virtual void visit(Conditional &);
- virtual void visit(Iteration &);
- virtual void visit(Passthrough &);
- virtual void visit(Return &);
-};
-
enum StageType
{
SHARED,