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bit width warnings from Jim Norris (PR#24)

This commit is contained in:
steve 2000-10-14 04:07:54 +00:00
parent f526d235d1
commit 368e5b72be
1 changed files with 22 additions and 1 deletions
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23
lexor.lex
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@ -19,7 +19,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#if !defined(WINNT) && !defined(macintosh)
#ident "$Id: lexor.lex,v 1.48 2000/10/14 01:31:30 steve Exp $"
#ident "$Id: lexor.lex,v 1.49 2000/10/14 04:07:54 steve Exp $"
#endif
//# define YYSTYPE lexval
@ -334,6 +334,12 @@ static verinum*make_binary_with_size(unsigned size, bool fixed, const char*ptr)
unsigned idx = 0;
const char*eptr = ptr + strlen(ptr) - 1;
if ((strlen(ptr) * 1) > size)
cerr << yylloc.text << ":" << yylloc.first_line <<
": warning: Numeric binary constant ``" << ptr <<
"'' truncated to " << size << " bits." << endl;
while ((eptr >= ptr) && (idx < size)) {
switch (*eptr) {
@ -474,6 +480,11 @@ static verinum*make_sized_octal(const char*txt)
/* Find the end of the digits. ptr already points to the start. */
char*eptr = ptr + strlen(ptr);
if ((strlen(ptr) * 3) > ((size+2)/3) * 3)
cerr << yylloc.text << ":" << yylloc.first_line <<
": warning: Numeric octal constant ``" << ptr <<
"'' truncated to " << size << " bits." << endl;
/* From the last digit and forward, build up the number, least
significant bit first. This loop will not get the last few
bits if the size is not a multiple of 3. */
@ -629,6 +640,11 @@ static verinum*make_sized_hex(const char*txt)
unsigned idx = 0;
char*eptr = ptr + strlen(ptr) - 1;
if ((strlen(ptr) * 4) > ((size+3)/4) * 4)
cerr << yylloc.text << ":" << yylloc.first_line <<
": warning: Numeric hex constant ``" << ptr <<
"'' truncated to " << size << " bits." << endl;
while ((eptr >= ptr) && (idx < size)) {
switch (*eptr) {
case 'x': case 'X':
@ -776,6 +792,11 @@ static verinum*make_dec_with_size(unsigned size, bool fixed, const char*ptr)
while (*ptr && ((*ptr == ' ') || (*ptr == '\t')))
ptr += 1;
if ((strlen(ptr) * 4) > size)
cerr << yylloc.text << ":" << yylloc.first_line <<
": warning: Numeric decimal constant ``" << ptr <<
"'' truncated to " << size << " bits." << endl;
unsigned long value = 0;
for ( ; *ptr ; ptr += 1)
if (isdigit(*ptr)) {