ExprLoop.hpp

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#pragma once
 
#include "AstGlobal.h"
#include "Expr.hpp"
#include "ExprBlock.hpp"
#include "AstUtil/SharedPtr.hpp"
 
AST_NAMESPACE_BEGIN
 
class AST_SCRIPT_API ExprLoop: public Expr
{
public:
    using Expr::Expr;
    ~ExprLoop() override = default;
};
 
 
class AST_SCRIPT_API ExprWhile: public ExprLoop
{
public:
    AST_EXPR(ExprWhile)
 
    
    ExprWhile();
    
    ExprWhile(Expr* condition, Expr* body);
    
    ~ExprWhile() override = default;
 
    Value* eval() const override;
 
    errc_t setValue(Value* val) override;
 
    std::string getExpression(Object* context=nullptr) const override;
 
    Expr* condition() const { return condition_.get(); }
 
    Expr* body() const { return body_.get(); }
 
protected:
    SharedPtr<Expr> condition_; 
    SharedPtr<Expr> body_;      
};
 
 
 
class AST_SCRIPT_API ExprForRange: public ExprLoop
{
public:
    AST_EXPR(ExprForRange)
 
    
    ExprForRange();
    
    ExprForRange(Expr* variable, Expr* range, Expr* body);
    
    ~ExprForRange() override = default;
 
    Value* eval() const override;
 
    errc_t setValue(Value* val) override;
 
    std::string getExpression(Object* context=nullptr) const override;
 
    Expr* variable() const { return variable_.get(); }
 
    Expr* range() const { return range_.get(); }
 
    Expr* body() const { return body_.get(); }
 
protected:
    SharedPtr<Expr> variable_; 
    SharedPtr<Expr> range_;    
    SharedPtr<Expr> body_;     
};
 
 
AST_NAMESPACE_END