improve docs and method names

This commit is contained in:
Vítor Santos Costa 2014-06-19 15:06:15 +01:00
parent 6a9e496bde
commit b88c8e6b82
2 changed files with 75 additions and 46 deletions

View File

@ -323,7 +323,7 @@ YAPTerm YAPListTerm::car()
YAPVarTerm::YAPVarTerm() { CACHE_REGS mk( MkVarTerm( ) ); }
char *YAPAtom::name(void) {
char *YAPAtom::getName(void) {
if (IsWideAtom(a)) {
// return an UTF-8 version
size_t sz = 512;
@ -576,7 +576,7 @@ displayWithJava(int c)
if (c == '\n' ) {
Yap_AndroidBufp[Yap_AndroidSz] = '\0';
__android_log_print(ANDROID_LOG_INFO, __FUNCTION__, "after char %c:%s %p",c, Yap_AndroidBufp, curren);
curren->display(Yap_AndroidBufp);
curren->run(Yap_AndroidBufp);
Yap_AndroidSz = 0;
}
}

View File

@ -100,40 +100,45 @@ class YAPTerm {
friend class YAPApplTerm;
friend class YAPPairTerm;
friend class YAPListTerm;
friend class YAPQuery;
protected:
yhandle_t t;
void mk(Term t0);
Term gt();
YAPTerm(Term tn) { mk( tn ); }
yhandle_t t; /// handle to term, equivalent to term_t
void mk(Term t0); /// internal method to convert from term to handle
Term gt(); /// get handle and obtain term
YAPTerm(Term tn) { mk( tn ); } /// private method to convert from Term (internal YAP representation) to YAPTerm
inline Term term() { return gt(); } /// private method to convert from YAPTerm to Term (internal YAP representation)
public:
YAPTerm() { mk(TermNil); } // do nothing constructor
// do nothing constructor
YAPTerm() { mk(TermNil); }
/// integer to term
YAPTerm(intptr_t i);
/// pointer to term
YAPTerm(void *ptr);
/// parse string s and construct a term.
YAPTerm(char *s) { Term tp ; mk( YAP_ReadBuffer(s,&tp) ); }
/*~YAPTerm(void) {
CACHE_REGS
Yap_RecoverSlots(1, t PASS_REGS);
}*/
Term term() { return gt(); }
/// extract the tag of a term, after dereferencing.
YAP_tag_t tag();
/// copy the term ( term copy )
YAPTerm deepCopy();
//const YAPTerm *vars();
/// this term is == to t1
bool exactlyEqual(YAPTerm t1);
bool unify(YAPTerm t1);
bool unifiable(YAPTerm t1);
bool variant(YAPTerm t1);
intptr_t hash(size_t sz, size_t depth, bool variant);
bool isVar() { return IsVarTerm( gt() ); }
bool isAtom() { return IsAtomTerm( gt() ); }
bool isInteger() { return IsIntegerTerm( gt() ); }
bool isFloat() { return IsFloatTerm( gt() ); }
bool isCompound() { return !(IsVarTerm( gt() ) || IsNumTerm( gt() )); }
bool isAppl() { return IsApplTerm( gt() ); }
bool isPair() { return IsPairTerm( gt() ); }
bool isGround() { return Yap_IsGroundTerm( gt() ); }
bool isList() { return Yap_IsListTerm( gt() ); }
bool isString() { return IsStringTerm( gt() ); }
bool unify(YAPTerm t1); /// t = t1
bool unifiable(YAPTerm t1); /// we can unify t and t1
bool variant(YAPTerm t1); /// t =@= t1, the two terms are equal up to variable renaming
intptr_t hash(size_t sz, size_t depth, bool variant); /// term hash,
bool isVar() { return IsVarTerm( gt() ); } /// type check for unbound
bool isAtom() { return IsAtomTerm( gt() ); } /// type check for atom
bool isInteger() { return IsIntegerTerm( gt() ); } /// type check for integer
bool isFloat() { return IsFloatTerm( gt() ); } /// type check for floating-point
bool isString() { return IsStringTerm( gt() ); } /// type check for a string " ... "
bool isCompound() { return !(IsVarTerm( gt() ) || IsNumTerm( gt() )); } /// is a primitive term
bool isAppl() { return IsApplTerm( gt() ); } /// is a structured term
bool isPair() { return IsPairTerm( gt() ); } /// is a pair term
bool isGround() { return Yap_IsGroundTerm( gt() ); } /// term is ground
bool isList() { return Yap_IsListTerm( gt() ); } /// term is a list
/// extract the argument i of the term, where i in 1...arity
inline YAPTerm getArg(int i) {
Term t0 = gt();
if (IsApplTerm(t0))
@ -146,6 +151,8 @@ public:
}
return YAPTerm((Term)0);
}
/// return a string with a textual representation of the term
char *text();
};
@ -155,8 +162,11 @@ public:
class YAPVarTerm: public YAPTerm {
YAPVarTerm(Term t) { if (IsVarTerm(t)) mk( t ); }
public:
/// constructor
YAPVarTerm();
/// get the internal representation
CELL *getVar() { return VarOfTerm( gt() ); }
/// is the variable bound to another one
bool unbound() { return IsUnboundVar(VarOfTerm( gt() )); }
};
@ -243,13 +253,19 @@ class YAPAtom {
friend class YAPFunctor;
friend class YAPAtomTerm;
Atom a;
public:
/// construct new YAPAtom from Atom
YAPAtom( Atom at ) { a = at; }
public:
/// construct new YAPAtom from string
YAPAtom( char * s) { a = Yap_LookupAtom( s ); }
/// construct new YAPAtom from wide string
YAPAtom( wchar_t * s) { a = Yap_LookupMaybeWideAtom( s ); }
/// construct new YAPAtom from max-length string
YAPAtom( char * s, size_t len) { a = Yap_LookupAtomWithLength( s, len ); }
/// construct new YAPAtom from max-length wide string
YAPAtom( wchar_t * s, size_t len) { a = Yap_LookupMaybeWideAtomWithLength( s, len ); }
char *name(void);
/// get name of atom
char *getName(void);
};
/**
@ -257,9 +273,13 @@ public:
*/
class YAPStringTerm: public YAPTerm {
public:
/// your standard constructor
YAPStringTerm(char *s) ;
/// use this one to construct length limited strings
YAPStringTerm(char *s, size_t len);
/// construct using wide chars
YAPStringTerm(wchar_t *s) ;
/// construct using length-limited wide chars
YAPStringTerm(wchar_t *s, size_t len);
const char *getString() { return StringOfTerm( gt() ); }
};
@ -502,16 +522,19 @@ public:
// Java support
// This class implements a callback Prolog-side
/// This class implements a callback Prolog-side. It will be inherited by the Java or Python
/// class that actually implements the callback.
class YAPCallback {
public:
virtual ~YAPCallback() { printf("~YAPCallback\n"); }
virtual void run() { __android_log_print(ANDROID_LOG_INFO, __FUNCTION__, "callback"); }
virtual void displayInWindow(char *s) { }
virtual void run(char *s) { }
};
/**
* @brief YAP Engine: takes care of constructing an execution environment where we can go executing goals
* @brief YAP Engine: takes care of the execution environment
where we can go executing goals.
*
*
*/
class YAPEngine {
@ -531,12 +554,18 @@ public:
bool script = FALSE,
bool fastBoot = FALSE,
YAPCallback *callback=(YAPCallback *)NULL); /// construct a new engine, including aaccess to callbacks
~YAPEngine() { delYAPCallback(); } /// kill engine
void delYAPCallback() { _callback = 0; } /// remove current callback
void setYAPCallback(YAPCallback *cb) { delYAPCallback(); _callback = cb; __android_log_print(ANDROID_LOG_INFO, __FILE__, "after loading startup %p",cb); } /// set a new callback
void call() { if (_callback) _callback->run(); } /// execute the callback.
void display( char *s) { __android_log_print(ANDROID_LOG_INFO, __FUNCTION__, "bef calling disp %s %p",s, _callback); if (_callback) _callback->displayInWindow(s); } /// execute the callback.
YAPQuery *query( char *s ); /// build a query on the engine
/// kill engine
~YAPEngine() { delYAPCallback(); }
/// remove current callback
void delYAPCallback() { _callback = 0; }
/// set a new callback
void setYAPCallback(YAPCallback *cb) { delYAPCallback(); _callback = cb; __android_log_print(ANDROID_LOG_INFO, __FILE__, "after loading startup %p",cb); }
/// execute the callback.
void run() { if (_callback) _callback->run(); }
/// execute the callback with a text argument.
void run( char *s) { __android_log_print(ANDROID_LOG_INFO, __FUNCTION__, "bef calling disp %s %p",s, _callback); if (_callback) _callback->run(s); }
/// build a query on the engine
YAPQuery *query( char *s );
};
/*