diogo/yap-6.3
Archived
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

start work on exception handling

Browse Source
This commit is contained in:
Vítor Santos Costa
2014-07-10 09:07:55 -05:00
parent 6c7a84a942
commit d8ecd6a202
3 changed files with 49 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
CXX/yapi.hh
View File

@@ -94,10 +94,6 @@ class YAPApplTerm;
class YAPPairTerm;
class YAPQuery;
#include "yapie.hh"
class TypeError {};
/**
* @brief Generic Prolog Term
*/
@@ -425,7 +421,7 @@ public:
Term t, tp;
t = YAP_ReadBuffer(s,&tp);
if (t == 0L)
throw YAPError::SYNTAX_ERROR;
throw SYNTAX_ERROR;
ap = getPred( t, (Term **)NULL );
}
@@ -437,7 +433,7 @@ public:
Term t, tp;
t = YAP_ReadBuffer(s,&tp);
if (t == 0L)
throw YAPError::SYNTAX_ERROR;
throw SYNTAX_ERROR;
ap = getPred( t, (Term **)NULL );
}
@@ -515,6 +511,10 @@ public:
initQuery( ts );
}
/// set flags for query execution, currently only for exception handling
void setFlag(int flag) {q_flags |= flag; }
/// reset flags for query execution, currently only for exception handling
void resetFlag(int flag) {q_flags &= ~flag; }
/// first query
///
/// actually implemented by calling the next();
@@ -551,6 +551,7 @@ class YAPEngine {
private:
YAPCallback *_callback;
YAP_init_args init_args;
yap_error_number error;
public:
YAPEngine(char *savedState = (char *)NULL,
size_t stackSize = 0,
@@ -569,15 +570,17 @@ public:
/// 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); }
void setYAPCallback(YAPCallback *cb) { delYAPCallback(); _callback = 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); }
void run( char *s) { if (_callback) _callback->run(s); }
/// build a query on the engine
YAPQuery *query( char *s );
/// build a query on the engine
/// build a query on the engine handling exceptions
YAPQuery *safeQuery( char *s );
yap_error_number hasError( ); //> report whether the engine has found an error
};
/*