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# Output C #defines for errors into wiredtiger.in and the associated error
# message code in strerror.c.
import re, textwrap
import api_data
from dist import compare_srcfile
# Update the #defines in the wiredtiger.in file.
tmp_file = '__tmp'
tfile = open(tmp_file, 'w')
skip = 0
for line in open('../src/include/wiredtiger.in', 'r'):
if not skip:
tfile.write(line)
if line.count('Error return section: END'):
tfile.write(line)
skip = 0
elif line.count('Error return section: BEGIN'):
tfile.write(' */\n')
skip = 1
# We don't want our error returns to conflict with any other
# package, so use an uncommon range, specifically, -31,800 to
# -31,999.
v = -31800
for err in api_data.errors:
if 'undoc' in err.flags:
tfile.write('/*! @cond internal */\n')
tfile.write('/*!%s.%s */\n' %
(('\n * ' if err.long_desc else ' ') + err.desc[0].upper() + err.desc[1:],
''.join('\n * ' + l for l in textwrap.wrap(textwrap.dedent(err.long_desc).strip(), 77)) + '\n' if err.long_desc else ''))
tfile.write('#define\t%s\t%d\n' % (err.name, v))
v -= 1
if 'undoc' in err.flags:
tfile.write('/*! @endcond */\n')
tfile.write('/*\n')
tfile.close()
compare_srcfile(tmp_file, '../src/include/wiredtiger.in')
# Output the wiredtiger_strerror code.
tmp_file = '__tmp'
tfile = open(tmp_file, 'w')
tfile.write('''/* DO NOT EDIT: automatically built by dist/api_err.py. */
#include "wt_internal.h"
/*
* wiredtiger_strerror --
* Return a string for any error value.
*/
const char *
wiredtiger_strerror(int error)
{
static char errbuf[64];
char *p;
if (error == 0)
return ("Successful return: 0");
switch (error) {
''')
for err in api_data.errors:
tfile.write('\tcase ' + err.name + ':\n')
tfile.write('\t\treturn ("' + err.name + ': ' + err.desc + '");\n')
tfile.write('''\
default:
if (error > 0 && (p = strerror(error)) != NULL)
return (p);
break;
}
/*
* !!!
* Not thread-safe, but this is never supposed to happen.
*/
(void)snprintf(errbuf, sizeof(errbuf), "Unknown error: %d", error);
return (errbuf);
}
''')
tfile.close()
compare_srcfile(tmp_file, '../src/api/api_strerror.c')
# Update the error documentation block.
tmp_file = '__tmp'
tfile = open(tmp_file, 'w')
skip = 0
for line in open('../src/docs/error.dox', 'r'):
if not skip:
tfile.write(line)
if line.count('IGNORE_BUILT_BY_API_ERR_END'):
tfile.write(line)
skip = 0
elif line.count('IGNORE_BUILT_BY_API_ERR_BEGIN'):
tfile.write('@endif\n\n')
skip = 1
for err in api_data.errors:
if 'undoc' in err.flags:
continue
tfile.write(
'@par <code>' + err.name.upper() + '</code>\n' +
" ".join(err.long_desc.split()) + '\n\n')
tfile.close()
compare_srcfile(tmp_file, '../src/docs/error.dox')
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