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yap-6.3
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make Error Handler call throw in C, instead of doing messy 

Prolog code.


git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@335 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
This commit is contained in:
vsc 2002-01-29 05:37:31 +00:00
parent a60e61f507
commit 28128ed29c
6 changed files with 346 additions and 57 deletions
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360
C/absmi.c
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File diff suppressed because it is too large Load Diff

18
C/errors.c
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@ -1749,24 +1749,10 @@ Error (yap_error_number type, Term where, char *format,...)
}
nt[1] = MkAtomTerm(LookupAtom(p));
if (serious) {
choiceptr newb;
PredEntry *p = PredThrow;
CreepFlag = CalculateStackGap();
ASP--;
newb = ((choiceptr)ASP)-1;
newb->cp_h = H;
newb->cp_tr = TR;
newb->cp_cp = CP;
newb->cp_ap = (yamop *)(p->CodeOfPred);
newb->cp_env = ENV;
newb->cp_b = B;
if (type == PURE_ABORT)
ARG1 = newb->cp_a1 = MkAtomTerm(LookupAtom("abort"));
JumpToEnv(MkAtomTerm(LookupAtom("abort")));
else
ARG1 = newb->cp_a1 = MkApplTerm(fun, 2, nt);
B = newb;
ASP = YENV = (CELL *)B;
JumpToEnv(CopyTerm(MkApplTerm(fun, 2, nt)));
P = (yamop *)FAILCODE;
}
PrologMode &= ~InErrorMode;

15
C/exec.c
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@ -1250,9 +1250,8 @@ p_clean_ifcp(void) {
return(TRUE);
}
/* This does very nasty stuff!!!!! */
static Int
p_jump_env(void) {
Int
JumpToEnv(Term t) {
yamop *min = (yamop *)(PredCatch->CodeOfPred);
yamop *max = (yamop *)(PredThrow->CodeOfPred);
CELL *cur = ENV, *env;
@ -1274,11 +1273,19 @@ p_jump_env(void) {
B->cp_h = H;
/* I could backtrack here, but it is easier to leave the unwinding
to the emulator */
B->cp_a3 = Deref(ARG1);
B->cp_a3 = t;
return(FALSE);
}
/* This does very nasty stuff!!!!! */
static Int
p_jump_env(void) {
return(JumpToEnv(Deref(ARG1)));
}
void
InitExecFs(void)
{

2
C/utilpreds.c
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@ -251,7 +251,7 @@ static void copy_complex_term(register CELL *pt0, register CELL *pt0_end, CELL *
clean_tr(TR0);
}
static Term
Term
CopyTerm(Term inp) {
Term t = Deref(inp);

4
H/Yapproto.h
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@ -10,7 +10,7 @@
* File: Yap.proto *
* mods: *
* comments: Function declarations for YAP *
* version: $Id: Yapproto.h,v 1.7 2002-01-07 06:28:03 vsc Exp $ *
* version: $Id: Yapproto.h,v 1.8 2002-01-29 05:37:31 vsc Exp $ *
*************************************************************************/
/* prototype file for Yap */
@ -149,6 +149,7 @@ Int STD_PROTO(EvFArt,(Term));
/* exec.c */
Term STD_PROTO(ExecuteCallMetaCall,(SMALLUNSGN mod));
void STD_PROTO(InitExecFs,(void));
Int STD_PROTO(JumpToEnv,(Term));
int STD_PROTO(RunTopGoal,(Term));
Int STD_PROTO(execute_goal,(Term, int, SMALLUNSGN));
int STD_PROTO(exec_absmi,(int));
@ -270,6 +271,7 @@ void STD_PROTO(InitUserCPreds,(void));
void STD_PROTO(InitUserBacks,(void));
/* utilpreds.c */
Term STD_PROTO(CopyTerm,(Term));
Int STD_PROTO(var_in_term, (Term, Term));
void STD_PROTO(InitUtilCPreds,(void));

4
m4/Yap.h.m4
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@ -10,7 +10,7 @@
* File: Yap.h.m4 *
* mods: *
* comments: main header file for YAP *
* version: $Id: Yap.h.m4,v 1.18 2002-01-27 20:40:10 vsc Exp $ *
* version: $Id: Yap.h.m4,v 1.19 2002-01-29 05:37:31 vsc Exp $ *
*************************************************************************/
#include "config.h"
@ -496,7 +496,7 @@ typedef enum {
#define ISO_CHARACTER_ESCAPES 1
#define SICSTUS_CHARACTER_ESCAPES 2
#define NUMBER_OF_YAP_FLAGS HALT_AFTER_CONSULT_FLAG+1
#define NUMBER_OF_YAP_FLAGS FAST_BOOT_FLAG+1
/************************ prototypes **********************************/