import glob

import re

import sys

import os

from six import print_, StringIO

srcdir = sys.argv[1]

messages = dict()

description = ''

with open('%s/errors.h' % srcdir,'r') as f:

    for line in f:

        m = re.match(r'^ \* LASSO.*ERROR', line)

        if m:

            description = ''

            continue

        m = re.match(r'^ \* (.*[^:])$', line)

        if m:

            description += m.group(1)

        m = re.match(r'#define (LASSO_\w*ERROR\w+)', line)

        if m and description:

            description = re.sub(r'[ \n]+', ' ', description).strip()

            messages[m.group(1)] = description

            description = ''

        else:

            m = re.match(r'#define (LASSO_\w*ERROR\w+)',line)

            if m:

                messages[m.group(1)] = m.group(1)

with open('%s/errors.c.in' % srcdir,'r') as f:

    for line in f:

        if '@ERROR_CASES@' in line:

            keys = sorted(messages.keys())

            for k in keys:

                print_('		case %s:\n'

                       '			return "%s";' %

                       (k,messages[k].rstrip('\n')))

        else:

            print_(line, end="")