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Fix seg fault parsing invalid exponents

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Add error message when exponents are incomplete,
for example 5e and 5.e
This commit is contained in:
William S Fulton 2018-01-14 19:36:09 +00:00
commit 07a30249f4
8 changed files with 36 additions and 6 deletions
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14
Source/Swig/scanner.c
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@ -1118,27 +1118,29 @@ static int look(Scanner *s) {
break;
case 82:
if ((c = nextchar(s)) == 0) {
retract(s, 1);
return SWIG_TOKEN_INT;
Swig_error(cparse_file, cparse_start_line, "Exponent does not have any digits\n");
return SWIG_TOKEN_ERROR;
}
if ((isdigit(c)) || (c == '-') || (c == '+'))
state = 86;
else {
retract(s, 2);
return (SWIG_TOKEN_INT);
Swig_error(cparse_file, cparse_start_line, "Exponent does not have any digits\n");
return SWIG_TOKEN_ERROR;
}
break;
case 820:
/* Like case 82, but we've seen a decimal point. */
if ((c = nextchar(s)) == 0) {
retract(s, 1);
return SWIG_TOKEN_DOUBLE;
Swig_error(cparse_file, cparse_start_line, "Exponent does not have any digits\n");
return SWIG_TOKEN_ERROR;
}
if ((isdigit(c)) || (c == '-') || (c == '+'))
state = 86;
else {
retract(s, 2);
return (SWIG_TOKEN_DOUBLE);
Swig_error(cparse_file, cparse_start_line, "Exponent does not have any digits\n");
return SWIG_TOKEN_ERROR;
}
break;
case 83: