frame.hpp

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#pragma once
 
#include "core/ast/baseFunc.hpp"
#include "core/ast/baseObj.hpp"
 
struct immutableTest;
struct frameTest;
 
namespace by {
 
    struct _nout scopeRegister {
        str owner;
        tstr<scope> s;
        tstr<scope> linkedS; // linked scope to previous element of _stack.
    };
 
    class obj;
    class baseFunc;
 
    class _nout frame: public node, public dumpable { // TODO: may be obj, not node.
        BY(CLASS(frame, node), VISIT())
        friend struct ::frameTest;
 
    public:
        frame();
        ~frame() override;
 
        void add(const scope& existing);
        void add(const scope* it) BY_SIDE_FUNC(add);
        void add(const nbicontainer& existing);
        void add(const nbicontainer* it) BY_SIDE_FUNC(add);
        void add(const node& owner);
        void add(const node* it) BY_SIDE_FUNC(add);
        virtual void add(const node* owner, const scope& s);
        void add(const node* owner, const scope* s) BY_SIDE_FUNC(s, add(owner, *s), void());
 
        virtual void addLocal(const std::string& name, const node& n);
        void addLocal(const std::string* name, const node& n) BY_SIDE_FUNC(name, addLocal(*name, n), void());
        void addLocal(const std::string& name, const node* n) BY_SIDE_FUNC(n, addLocal(name, *n), void());
        void addLocal(const std::string* name, const node* n) BY_SIDE_FUNC(name&& n, addLocal(*name, *n), void());
        void addLocal(const nchar* name, const node& n) BY_SIDE_FUNC(name, addLocal(std::string(name), n), void());
        void addLocal(const nchar* name, const node* n) BY_SIDE_FUNC(name&& n, addLocal(std::string(name), *n), void());
 
        virtual void del();
 
        virtual nbool setMe(const node& obj); // 'me' can be a mockNode during verification.
        nbool setMe(const node* it) BY_SIDE_FUNC(setMe);
        void setMe();
 
        const node* getMe() const BY_CONST_FUNC(getMe())
        node* getMe();
 
        scope* getLocals();
        const scope* getLocals() const BY_CONST_FUNC(getLocals())
 
        virtual nbool addFunc(const baseFunc& new1);
        nbool addFunc(const baseFunc* it) BY_SIDE_FUNC(addFunc);
 
        void delFunc();
 
        baseFunc* getFunc();
        const baseFunc* getFunc() const BY_CONST_FUNC(getFunc())
 
        node* getMeHaving(const node& sub);
        node* getMeHaving(const node* it) BY_SIDE_FUNC(getMeHaving);
        const node* getMeHaving(const node& sub) const BY_CONST_FUNC(getMeHaving(sub))
        const node* getMeHaving(const node* sub) const BY_CONST_FUNC(getMeHaving(sub))
 
        scope* getScopeHaving(const node& sub);
        scope* getScopeHaving(const node* it) BY_SIDE_FUNC(getScopeHaving);
        const scope* getScopeHaving(const node& sub) const BY_CONST_FUNC(getScopeHaving(sub))
        const scope* getScopeHaving(const node* sub) const BY_CONST_FUNC(getScopeHaving(sub))
 
        // node:
        using node::subs;
        scope& subs() override;
        tstr<nbicontainer> mySubs() const override;
 
        using super::prioritize;
        priorType prioritize(const args& a) const override;
 
        using super::eval;
        str eval(const args& a) override;
 
        void rel() override;
 
        const std::vector<scopeRegister>& getScopeRegisters() const;
 
        virtual nbool setRet(const node& newRet) const;
        virtual nbool setRet(const node* it) const;
 
        node* getRet() const;
 
        void dump() const override;
 
    private:
        void _rel();
        scopeRegister* _getTop();
        const scopeRegister* _getTop() const BY_CONST_FUNC(_getTop())
        void _dumpFunc() const;
 
        template <typename T> T* _getOwner(const node* toFind, std::function<T*(nbool, scopeRegister&)> cl);
 
    private:
        str _me;
        tnarr<baseFunc> _funcs;
        std::vector<scopeRegister> _stack;
        mutable str _ret;
    };
} // namespace by