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#ifndef BUILTIN_H
#define BUILTIN_H
#include "model.h"
#include <string>
using std::string;
/** @class InexactNumObj
* Inexact number implementation (using doubles)
*/
class InexactNumObj: public NumObj {
public:
InexactNumObj(NumLvl level);
};
/** @class CompNumObj
* Complex numbers
*/
class CompNumObj: public InexactNumObj {
public:
double real, imag;
/** Construct a complex number */
CompNumObj(double _real, double _imag);
/** Try to construct an RealNumObj object
* @return NULL if failed
*/
static CompNumObj *from_string(string repr);
/** Convert to a complex number from other numeric types */
CompNumObj *convert(NumObj* obj);
NumObj *plus(NumObj *r);
NumObj *minus(NumObj *r);
NumObj *multi(NumObj *r);
NumObj *div(NumObj *r);
bool lt(NumObj *r);
bool gt(NumObj *r);
bool eq(NumObj *r);
string ext_repr();
};
/** @class RealNumObj
* Real numbers
*/
class RealNumObj: public InexactNumObj {
public:
double real;
/** Construct a real number */
RealNumObj(double _real);
/** Try to construct an RealNumObj object
* @return NULL if failed
*/
static RealNumObj *from_string(string repr);
/** Convert to a real number from other numeric types */
RealNumObj *convert(NumObj* obj);
NumObj *plus(NumObj *r);
NumObj *minus(NumObj *r);
NumObj *multi(NumObj *r);
NumObj *div(NumObj *r);
bool lt(NumObj *r);
bool gt(NumObj *r);
bool eq(NumObj *r);
string ext_repr();
};
/** @class ExactNumObj
* Exact number implementation (using gmp)
*/
class ExactNumObj: public NumObj {
public:
ExactNumObj(NumLvl level);
};
/** @class RatNumObj
* Rational numbers
*/
class RatNumObj: public ExactNumObj {
public:
int a, b;
/** Construct a rational number */
RatNumObj(int _a, int _b);
/** Try to construct an RealNumObj object
* @return NULL if failed
*/
static RatNumObj *from_string(string repr);
/** Convert to a Rational number from other numeric types */
RatNumObj *convert(NumObj* obj);
NumObj *plus(NumObj *r);
NumObj *minus(NumObj *r);
NumObj *multi(NumObj *r);
NumObj *div(NumObj *r);
bool lt(NumObj *r);
bool gt(NumObj *r);
bool eq(NumObj *r);
string ext_repr();
};
/** @class IntNumObj
* Integers
*/
class IntNumObj: public ExactNumObj {
public:
int val;
/** Construct a integer */
IntNumObj(int _val);
/** Try to construct an IntNumObj object
* @return NULL if failed
*/
static IntNumObj *from_string(string repr);
/** Convert to a integer from other numeric types */
IntNumObj *convert(NumObj* obj);
NumObj *plus(NumObj *r);
NumObj *minus(NumObj *r);
NumObj *multi(NumObj *r);
NumObj *div(NumObj *r);
bool lt(NumObj *r);
bool gt(NumObj *r);
bool eq(NumObj *r);
string ext_repr();
};
/** @class SpecialOptIf
* The implementation of `if` operator
*/
class SpecialOptIf: public SpecialOptObj {
private:
unsigned char state; /**< 0 for prepared, 1 for pre_called */
/**
* The evaluator will call this after the <condition> exp is evaluated.
* And this function tells the evaluator which of <consequence> and
* <alternative> should be evaluted. */
void pre_call(ArgList *args, Cons *pc,
Environment *envt);
/** The system will call this again after the desired result is
* evaluated, so just return it to let the evaluator know the it's the
* answer.
*/
EvalObj *post_call(ArgList *args, Cons *pc,
Environment *envt);
public:
SpecialOptIf();
void prepare(Cons *pc);
Cons *call(ArgList *args, Environment * &envt,
Continuation * &cont, FrameObj ** &top_ptr);
string ext_repr();
};
/** @class SpecialOptLambda
* The implementation of `lambda` operator
*/
class SpecialOptLambda: public SpecialOptObj {
public:
SpecialOptLambda();
void prepare(Cons *pc);
Cons *call(ArgList *args, Environment * &envt,
Continuation * &cont, FrameObj ** &top_ptr);
string ext_repr();
};
/** @class SpecialOptDefine
* The implementation of `define` operator
*/
class SpecialOptDefine: public SpecialOptObj {
public:
SpecialOptDefine();
void prepare(Cons *pc);
Cons *call(ArgList *args, Environment * &envt,
Continuation * &cont, FrameObj ** &top_ptr);
string ext_repr();
};
/** @class SpecialOptSet
* The implementation of `set!` operator
*/
class SpecialOptSet: public SpecialOptObj {
public:
SpecialOptSet();
void prepare(Cons *pc);
Cons *call(ArgList *args, Environment * &envt,
Continuation * &cont, FrameObj ** &top_ptr);
string ext_repr();
};
EvalObj *builtin_plus(ArgList *);
EvalObj *builtin_minus(ArgList *);
EvalObj *builtin_multi(ArgList *);
EvalObj *builtin_div(ArgList *);
EvalObj *builtin_exact(ArgList *);
EvalObj *builtin_inexact(ArgList *);
EvalObj *builtin_lt(ArgList *);
EvalObj *builtin_gt(ArgList *);
EvalObj *builtin_arithmetic_eq(ArgList *);
EvalObj *builtin_display(ArgList *);
EvalObj *builtin_cons(ArgList *);
EvalObj *builtin_car(ArgList *);
EvalObj *builtin_cdr(ArgList *);
EvalObj *builtin_list(ArgList *);
#endif
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