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cannot just do error when user does crazy things.

This commit is contained in:
Vitor Santos Costa 2009-05-24 19:20:00 -05:00
parent 46dc2b1a49
commit 9a9767d73c
1 changed files with 5 additions and 39 deletions
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44
C/compiler.c
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@ -906,23 +906,11 @@ c_test(Int Op, Term t1, compiler_struct *cglobs) {
Term t = Deref(t1);
if (!IsVarTerm(t)) {
char s[32];
Yap_Error_TYPE = TYPE_ERROR_VARIABLE;
Yap_Error_Term = t;
Yap_ErrorMessage = Yap_ErrorSay;
Yap_bip_name(Op, s);
sprintf(Yap_ErrorMessage, "when compiling %s/1", s);
save_machine_regs();
longjmp(cglobs->cint.CompilerBotch, COMPILER_ERR_BOTCH);
}
if (IsNewVar(t)) {
/* in this case, var trivially succeeds and the others trivially fail */
if (Op != _var)
Yap_emit(fail_op, Zero, Zero, &cglobs->cint);
} else {
c_var(t,f_flag,(unsigned int)Op, 0, cglobs);
Term tn = MkVarTerm();
c_eq(t, tn, cglobs);
t = tn;
}
c_var(t,f_flag,(unsigned int)Op, 0, cglobs);
}
/* Arithmetic builtins will be compiled in the form:
@ -960,28 +948,7 @@ c_bifun(Int Op, Term t1, Term t2, Term t3, Term Goal, Term mod, compiler_struct
/* first we fetch the arguments */
if (IsVarTerm(t1)) {
if (IsNewVar(t1)) {
char s[32];
Yap_Error_TYPE = INSTANTIATION_ERROR;
Yap_Error_Term = t1;
Yap_ErrorMessage = Yap_ErrorSay;
Yap_bip_name(Op, s);
sprintf(Yap_ErrorMessage, "when compiling %s/2", s);
save_machine_regs();
longjmp(cglobs->cint.CompilerBotch, COMPILER_ERR_BOTCH);
} else if (IsVarTerm(t2)) {
if (IsNewVar(t2)) {
char s[32];
Yap_Error_TYPE = INSTANTIATION_ERROR;
Yap_Error_Term = t2;
Yap_ErrorMessage = Yap_ErrorSay;
Yap_bip_name(Op, s);
sprintf(Yap_ErrorMessage, "when compiling %s/2", s);
save_machine_regs();
longjmp(cglobs->cint.CompilerBotch, COMPILER_ERR_BOTCH);
} else {
if (IsVarTerm(t2)) {
/* first temp */
Int v1 = --cglobs->tmpreg;
/* second temp */
@ -992,7 +959,6 @@ c_bifun(Int Op, Term t1, Term t2, Term t3, Term Goal, Term mod, compiler_struct
c_var(t1, v1, 0, 0, cglobs);
c_var(t2, v2, 0, 0, cglobs);
/* now we know where the arguments are */
}
} else {
if (Op == _arg) {
/* we know the second argument is bound */