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Add /*FALLTHROUGH*/ comments to output.

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This commit is contained in:
Bruno Haible
2003-05-01 10:10:08 +00:00
parent ff0be60810
commit c170151d67
10 changed files with 79 additions and 0 deletions
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11
ChangeLog
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@@ -1,3 +1,14 @@
2003-03-19 Bruno Haible <bruno@clisp.org>
* src/output.cc (Output::output_hash_function): Avoid lint warning if
not all arguments of the hash function are used. Avoid lint warning
for fallthrough in switch.
* tests/c-parse.exp, tests/charsets.exp, tests/chill.exp,
tests/cplusplus.exp, tests/java.exp, tests/languages.exp,
tests/modula2.exp, tests/objc.exp: All /*FALLTHROUGH*/ to expected
output.
Reported by Bruce Lilly <blilly@erols.com>.
2003-03-01 Bruno Haible <bruno@clisp.org> 2003-03-01 Bruno Haible <bruno@clisp.org>
* src/options.h (Options::set_initializer_suffix): New declaration. * src/options.h (Options::set_initializer_suffix): New declaration.

13
src/output.cc
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@@ -738,6 +738,15 @@ Output::output_hash_function () const
"#endif\n" "#endif\n"
"#endif\n"); "#endif\n");
if (/* The function does not use the 'str' argument? */
_key_positions.get_size() == 0
|| /* The function uses 'str', but not the 'len' argument? */
(option[NOLENGTH]
&& _key_positions[0] < _min_key_len
&& _key_positions[_key_positions.get_size() - 1] != Positions::LASTCHAR))
/* Pacify lint. */
printf ("/*ARGSUSED*/\n");
if (option[KRC] | option[C] | option[ANSIC]) if (option[KRC] | option[C] | option[ANSIC])
printf ("static "); printf ("static ");
printf ("unsigned int\n"); printf ("unsigned int\n");
@@ -862,6 +871,8 @@ Output::output_hash_function () const
int i = key_pos; int i = key_pos;
do do
{ {
if (i > key_pos)
printf (" /*FALLTHROUGH*/\n"); /* Pacify lint. */
for ( ; i > key_pos; i--) for ( ; i > key_pos; i--)
printf (" case %d:\n", i); printf (" case %d:\n", i);
@@ -873,6 +884,8 @@ Output::output_hash_function () const
} }
while (key_pos != PositionIterator::EOS && key_pos != Positions::LASTCHAR); while (key_pos != PositionIterator::EOS && key_pos != Positions::LASTCHAR);
if (i >= _min_key_len)
printf (" /*FALLTHROUGH*/\n"); /* Pacify lint. */
for ( ; i >= _min_key_len; i--) for ( ; i >= _min_key_len; i--)
printf (" case %d:\n", i); printf (" case %d:\n", i);
} }

1
tests/c-parse.exp
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@@ -86,6 +86,7 @@ hash (str, len)
{ {
default: default:
hval += asso_values[(unsigned char)str[2]]; hval += asso_values[(unsigned char)str[2]];
/*FALLTHROUGH*/
case 2: case 2:
case 1: case 1:
hval += asso_values[(unsigned char)str[0]]; hval += asso_values[(unsigned char)str[0]];

11
tests/charsets.exp
View File

@@ -95,6 +95,7 @@ hash (str, len)
{ {
default: default:
hval += asso_values[(unsigned char)str[21]]; hval += asso_values[(unsigned char)str[21]];
/*FALLTHROUGH*/
case 21: case 21:
case 20: case 20:
case 19: case 19:
@@ -107,24 +108,34 @@ hash (str, len)
case 12: case 12:
case 11: case 11:
hval += asso_values[(unsigned char)str[10]+1]; hval += asso_values[(unsigned char)str[10]+1];
/*FALLTHROUGH*/
case 10: case 10:
hval += asso_values[(unsigned char)str[9]]; hval += asso_values[(unsigned char)str[9]];
/*FALLTHROUGH*/
case 9: case 9:
hval += asso_values[(unsigned char)str[8]+1]; hval += asso_values[(unsigned char)str[8]+1];
/*FALLTHROUGH*/
case 8: case 8:
hval += asso_values[(unsigned char)str[7]+3]; hval += asso_values[(unsigned char)str[7]+3];
/*FALLTHROUGH*/
case 7: case 7:
hval += asso_values[(unsigned char)str[6]]; hval += asso_values[(unsigned char)str[6]];
/*FALLTHROUGH*/
case 6: case 6:
hval += asso_values[(unsigned char)str[5]]; hval += asso_values[(unsigned char)str[5]];
/*FALLTHROUGH*/
case 5: case 5:
hval += asso_values[(unsigned char)str[4]]; hval += asso_values[(unsigned char)str[4]];
/*FALLTHROUGH*/
case 4: case 4:
hval += asso_values[(unsigned char)str[3]]; hval += asso_values[(unsigned char)str[3]];
/*FALLTHROUGH*/
case 3: case 3:
hval += asso_values[(unsigned char)str[2]]; hval += asso_values[(unsigned char)str[2]];
/*FALLTHROUGH*/
case 2: case 2:
hval += asso_values[(unsigned char)str[1]+1]; hval += asso_values[(unsigned char)str[1]+1];
/*FALLTHROUGH*/
case 1: case 1:
hval += asso_values[(unsigned char)str[0]]; hval += asso_values[(unsigned char)str[0]];
break; break;

29
tests/chill.exp
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@@ -84,62 +84,91 @@ hash (str, len)
{ {
default: default:
hval += asso_values[(unsigned char)str[29]]; hval += asso_values[(unsigned char)str[29]];
/*FALLTHROUGH*/
case 29: case 29:
hval += asso_values[(unsigned char)str[28]]; hval += asso_values[(unsigned char)str[28]];
/*FALLTHROUGH*/
case 28: case 28:
hval += asso_values[(unsigned char)str[27]]; hval += asso_values[(unsigned char)str[27]];
/*FALLTHROUGH*/
case 27: case 27:
hval += asso_values[(unsigned char)str[26]]; hval += asso_values[(unsigned char)str[26]];
/*FALLTHROUGH*/
case 26: case 26:
hval += asso_values[(unsigned char)str[25]]; hval += asso_values[(unsigned char)str[25]];
/*FALLTHROUGH*/
case 25: case 25:
hval += asso_values[(unsigned char)str[24]]; hval += asso_values[(unsigned char)str[24]];
/*FALLTHROUGH*/
case 24: case 24:
hval += asso_values[(unsigned char)str[23]]; hval += asso_values[(unsigned char)str[23]];
/*FALLTHROUGH*/
case 23: case 23:
hval += asso_values[(unsigned char)str[22]]; hval += asso_values[(unsigned char)str[22]];
/*FALLTHROUGH*/
case 22: case 22:
hval += asso_values[(unsigned char)str[21]]; hval += asso_values[(unsigned char)str[21]];
/*FALLTHROUGH*/
case 21: case 21:
hval += asso_values[(unsigned char)str[20]]; hval += asso_values[(unsigned char)str[20]];
/*FALLTHROUGH*/
case 20: case 20:
hval += asso_values[(unsigned char)str[19]]; hval += asso_values[(unsigned char)str[19]];
/*FALLTHROUGH*/
case 19: case 19:
hval += asso_values[(unsigned char)str[18]]; hval += asso_values[(unsigned char)str[18]];
/*FALLTHROUGH*/
case 18: case 18:
hval += asso_values[(unsigned char)str[17]]; hval += asso_values[(unsigned char)str[17]];
/*FALLTHROUGH*/
case 17: case 17:
hval += asso_values[(unsigned char)str[16]]; hval += asso_values[(unsigned char)str[16]];
/*FALLTHROUGH*/
case 16: case 16:
hval += asso_values[(unsigned char)str[15]]; hval += asso_values[(unsigned char)str[15]];
/*FALLTHROUGH*/
case 15: case 15:
hval += asso_values[(unsigned char)str[14]]; hval += asso_values[(unsigned char)str[14]];
/*FALLTHROUGH*/
case 14: case 14:
hval += asso_values[(unsigned char)str[13]]; hval += asso_values[(unsigned char)str[13]];
/*FALLTHROUGH*/
case 13: case 13:
hval += asso_values[(unsigned char)str[12]]; hval += asso_values[(unsigned char)str[12]];
/*FALLTHROUGH*/
case 12: case 12:
hval += asso_values[(unsigned char)str[11]]; hval += asso_values[(unsigned char)str[11]];
/*FALLTHROUGH*/
case 11: case 11:
hval += asso_values[(unsigned char)str[10]]; hval += asso_values[(unsigned char)str[10]];
/*FALLTHROUGH*/
case 10: case 10:
hval += asso_values[(unsigned char)str[9]]; hval += asso_values[(unsigned char)str[9]];
/*FALLTHROUGH*/
case 9: case 9:
hval += asso_values[(unsigned char)str[8]]; hval += asso_values[(unsigned char)str[8]];
/*FALLTHROUGH*/
case 8: case 8:
hval += asso_values[(unsigned char)str[7]]; hval += asso_values[(unsigned char)str[7]];
/*FALLTHROUGH*/
case 7: case 7:
hval += asso_values[(unsigned char)str[6]]; hval += asso_values[(unsigned char)str[6]];
/*FALLTHROUGH*/
case 6: case 6:
hval += asso_values[(unsigned char)str[5]]; hval += asso_values[(unsigned char)str[5]];
/*FALLTHROUGH*/
case 5: case 5:
hval += asso_values[(unsigned char)str[4]]; hval += asso_values[(unsigned char)str[4]];
/*FALLTHROUGH*/
case 4: case 4:
hval += asso_values[(unsigned char)str[3]]; hval += asso_values[(unsigned char)str[3]];
/*FALLTHROUGH*/
case 3: case 3:
hval += asso_values[(unsigned char)str[2]]; hval += asso_values[(unsigned char)str[2]];
/*FALLTHROUGH*/
case 2: case 2:
hval += asso_values[(unsigned char)str[1]+1]; hval += asso_values[(unsigned char)str[1]+1];
/*FALLTHROUGH*/
case 1: case 1:
hval += asso_values[(unsigned char)str[0]]; hval += asso_values[(unsigned char)str[0]];
break; break;

2
tests/cplusplus.exp
View File

@@ -86,10 +86,12 @@ hash (str, len)
{ {
default: default:
hval += asso_values[(unsigned char)str[6]]; hval += asso_values[(unsigned char)str[6]];
/*FALLTHROUGH*/
case 6: case 6:
case 5: case 5:
case 4: case 4:
hval += asso_values[(unsigned char)str[3]]; hval += asso_values[(unsigned char)str[3]];
/*FALLTHROUGH*/
case 3: case 3:
case 2: case 2:
case 1: case 1:

1
tests/java.exp
View File

@@ -110,6 +110,7 @@ hash (str, len)
{ {
default: default:
hval += asso_values[(unsigned char)str[2]]; hval += asso_values[(unsigned char)str[2]];
/*FALLTHROUGH*/
case 2: case 2:
case 1: case 1:
hval += asso_values[(unsigned char)str[0]]; hval += asso_values[(unsigned char)str[0]];

3
tests/languages.exp
View File

@@ -99,11 +99,14 @@ hash (str, len)
{ {
default: default:
hval += asso_values[(unsigned char)str[4]+1]; hval += asso_values[(unsigned char)str[4]+1];
/*FALLTHROUGH*/
case 4: case 4:
case 3: case 3:
hval += asso_values[(unsigned char)str[2]]; hval += asso_values[(unsigned char)str[2]];
/*FALLTHROUGH*/
case 2: case 2:
hval += asso_values[(unsigned char)str[1]+9]; hval += asso_values[(unsigned char)str[1]+9];
/*FALLTHROUGH*/
case 1: case 1:
hval += asso_values[(unsigned char)str[0]]; hval += asso_values[(unsigned char)str[0]];
break; break;

7
tests/modula2.exp
View File

@@ -83,18 +83,25 @@ hash (str, len)
{ {
default: default:
hval += asso_values[(unsigned char)str[7]]; hval += asso_values[(unsigned char)str[7]];
/*FALLTHROUGH*/
case 7: case 7:
hval += asso_values[(unsigned char)str[6]]; hval += asso_values[(unsigned char)str[6]];
/*FALLTHROUGH*/
case 6: case 6:
hval += asso_values[(unsigned char)str[5]]; hval += asso_values[(unsigned char)str[5]];
/*FALLTHROUGH*/
case 5: case 5:
hval += asso_values[(unsigned char)str[4]]; hval += asso_values[(unsigned char)str[4]];
/*FALLTHROUGH*/
case 4: case 4:
hval += asso_values[(unsigned char)str[3]]; hval += asso_values[(unsigned char)str[3]];
/*FALLTHROUGH*/
case 3: case 3:
hval += asso_values[(unsigned char)str[2]]; hval += asso_values[(unsigned char)str[2]];
/*FALLTHROUGH*/
case 2: case 2:
hval += asso_values[(unsigned char)str[1]]; hval += asso_values[(unsigned char)str[1]];
/*FALLTHROUGH*/
case 1: case 1:
hval += asso_values[(unsigned char)str[0]]; hval += asso_values[(unsigned char)str[0]];
break; break;

1
tests/objc.exp
View File

@@ -86,6 +86,7 @@ hash (str, len)
{ {
default: default:
hval += asso_values[(unsigned char)str[2]]; hval += asso_values[(unsigned char)str[2]];
/*FALLTHROUGH*/
case 2: case 2:
case 1: case 1:
hval += asso_values[(unsigned char)str[0]]; hval += asso_values[(unsigned char)str[0]];