diogo/yap-6.3
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only force 1E30 an error if in ISO mode.

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always 1.0e30.
This commit is contained in:
Vitor Santos Costa 2010-11-22 12:51:02 +00:00
parent 20699fd838
commit 2ee12ca1a7
2 changed files with 37 additions and 11 deletions
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14
C/scanner.c
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@ -602,8 +602,12 @@ get_num(int *chp, int *chbuffp, int inp_stream, int (*Nxtch) (int), int (*Quoted
has_overflow = TRUE;
ch = Nxtch(inp_stream);
}
if (might_be_float && ch == '.') {
{
if (might_be_float && ( ch == '.' || ch == 'e' || ch == 'E')) {
if (yap_flags[STRICT_ISO_FLAG] && (ch == 'e' || ch == 'E')) {
Yap_ErrorMessage = "Float format not allowed in ISO mode";
return TermNil;
}
if (ch == '.') {
if (--max_size == 0) {
Yap_ErrorMessage = "Number Too Long";
return TermNil;
@ -628,10 +632,14 @@ get_num(int *chp, int *chbuffp, int inp_stream, int (*Nxtch) (int), int (*Quoted
}
while (chtype(ch = Nxtch(inp_stream)) == NU);
}
if (ch == 'e') {
if (ch == 'e' || ch == 'E') {
char *sp0 = sp;
char cbuff = ch;
if (yap_flags[STRICT_ISO_FLAG] && ch == 'E') {
Yap_ErrorMessage = "Float format not allowed in ISO mode";
return TermNil;
}
if (--max_size == 0) {
Yap_ErrorMessage = "Number Too Long";
return TermNil;

32
C/write.c
View File

@ -78,8 +78,8 @@ STATIC_PROTO(void wrputs, (char *, wrf));
STATIC_PROTO(void wrputf, (Float, wrf));
STATIC_PROTO(void wrputref, (CODEADDR, int, wrf));
STATIC_PROTO(int legalAtom, (unsigned char *));
STATIC_PROTO(int LeftOpToProtect, (Atom, int));
STATIC_PROTO(int RightOpToProtect, (Atom, int));
/*STATIC_PROTO(int LeftOpToProtect, (Atom, int));
STATIC_PROTO(int RightOpToProtect, (Atom, int));*/
STATIC_PROTO(wtype AtomIsSymbols, (unsigned char *));
STATIC_PROTO(void putAtom, (Atom, int, wrf));
STATIC_PROTO(void writeTerm, (Term, int, int, int, struct write_globs *, struct rewind_term *));
@ -212,6 +212,7 @@ wrputf(Float f, wrf writewch) /* writes a float */
{
char s[256], *pt = s, ch;
int found_dot = FALSE, found_exp = FALSE;
#if HAVE_ISNAN || defined(__WIN32)
if (isnan(f)) {
@ -246,14 +247,31 @@ wrputf(Float f, wrf writewch) /* writes a float */
sprintf(s, RepAtom(AtomFloatFormat)->StrOfAE, f);
while (*pt == ' ')
pt++;
wrputs(pt, writewch);
if (*pt == '-') pt++;
while ((ch = *pt) != '\0') {
if (ch < '0' || ch > '9')
return;
if (*pt == '-') {
wrputc('-', writewch);
pt++;
}
while ((ch = *pt) != '\0') {
switch (ch) {
case '.':
found_dot = TRUE;
wrputc('.', writewch);
break;
case 'e':
case 'E':
if (!found_dot) {
found_dot = TRUE;
wrputs(".0", writewch);
}
found_exp = TRUE;
default:
wrputc(ch, writewch);
}
pt++;
}
if (!found_dot) {
wrputs(".0", writewch);
}
}
static void