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* tests/regression.at (AT_TEST_CPP_GUARD_H): New.

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Check that `9foo.y' produces correct cpp guards.
* src/files.c (compute_header_macro): Prepend `BISON_' to CPP
guards.
Reported by Wwp.
This commit is contained in:
Akim Demaille
2001-11-01 18:28:38 +00:00
parent 561f9a30af
commit 270a173cf3
3 changed files with 45 additions and 16 deletions
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26
src/files.c
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@@ -86,26 +86,36 @@ stringappend (const char *string1, const char *string2)
}
/*---------------------------------------------------------------.
| Computes the macro name used to avoid double inclusion in the |
| header of the parser and store it in header_macro_name. |
`---------------------------------------------------------------*/
/*-----------------------------------------------------------------.
| Computes the macro name used to avoid double inclusion in the |
| header of the parser and store it in header_macro_name. Be sure |
| to produce valid CPP names (don't start with digit, remain |
| alphanumerical + underscore). |
`-----------------------------------------------------------------*/
static char *
compute_header_macro (void)
{
const char *prefix = "BISON_";
char *macro_name, *cp;
if (spec_defines_file)
macro_name = xstrdup (spec_defines_file);
{
macro_name = XMALLOC (char,
strlen (prefix) +
strlen (spec_defines_file) + 1);
cp = stpcpy (macro_name, prefix);
cp = stpcpy (cp, spec_defines_file);
}
else
{
macro_name = XMALLOC (char,
strlen (prefix) +
strlen (base_name) +
strlen (header_extension) + 1);
stpcpy (macro_name, base_name);
strcat (macro_name, header_extension);
cp = stpcpy (macro_name, prefix);
cp = stpcpy (cp, base_name);
cp = stpcpy (cp, header_extension);
}
for (cp = macro_name; *cp; ++cp)