bool apply(Stage &s) { s.content.visit(*this); return r_any_folded; }
private:
- static BasicTypeDeclaration::Kind get_value_kind(const Variant &);
template<typename T>
static T evaluate_logical(char, T, T);
template<typename T>
static bool evaluate_relation(const char *, T, T);
template<typename T>
static T evaluate_arithmetic(char, T, T);
+ template<typename T>
+ static T evaluate_int_special_op(char, T, T);
+ template<typename T>
+ void convert_to_result(const Variant &);
void set_result(const Variant &, bool = false);
virtual void visit(RefPtr<Expression> &);
virtual void visit(Iteration &);
};
+class UnreachableCodeRemover: private TraversingVisitor
+{
+private:
+ bool reachable;
+ std::set<Node *> unreachable_nodes;
+
+public:
+ UnreachableCodeRemover();
+
+ virtual bool apply(Stage &);
+
+private:
+ virtual void visit(Block &);
+ virtual void visit(FunctionDeclaration &);
+ virtual void visit(Conditional &);
+ virtual void visit(Iteration &);
+ virtual void visit(Return &) { reachable = false; }
+ virtual void visit(Jump &) { reachable = false; }
+};
+
/** Removes types which are not used anywhere. */
class UnusedTypeRemover: private TraversingVisitor
{
Node *node;
Assignment::Target target;
std::vector<Node *> used_by;
+ unsigned in_loop;
AssignmentInfo(): node(0) { }
};
Assignment *r_assignment;
bool assignment_target;
bool r_side_effects;
+ bool in_struct;
bool composite_reference;
+ unsigned in_loop;
+ std::vector<Node *> loop_ext_refs;
Assignment::Target r_reference;
std::set<Node *> unused_nodes;
virtual void visit(FunctionCall &);
void record_assignment(const Assignment::Target &, Node &);
virtual void visit(ExpressionStatement &);
- // Ignore structs because their members can't be accessed directly.
- virtual void visit(StructDeclaration &) { }
+ virtual void visit(StructDeclaration &);
virtual void visit(VariableDeclaration &);
virtual void visit(InterfaceBlock &);
void merge_variables(const BlockVariableMap &);