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int readLine() // 1: line was read from CLASSES,
{ // 0: no line
g_classLine = fgets("CLASSES", g_classLine);
return listlen(g_classLine) && g_classLine[2] == "OK";
}
int empty(list entries)
{
return !entries || entries[0][0] == '#' || strfind(entries[0], "//") == 0;
}
string nextClassesEntry()
{
list parts;
while (readLine())
{
string line = g_classLine[0];
int last = strlen(line) - 1;
int bs = line[last] == '\\';
if (bs)
line = resize(line, last); // remove the backslash
list entries = strtok(line, " \t"); // entries on the line
if (empty(entries)) // blank or comment
{
if (!parts) // nothing collected yet
continue;
break; // or return the 1st element
}
parts += (list)entries[0];
if (bs)
continue;
break;
}
return parts ? parts[0] : "";
}
void setClasses()
{
while (1)
{
string class = nextClassesEntry();
if (strlen(class) == 0)
break;
g_classes = listunion(g_classes, class);
}
#ifdef SCANNER_DIR
if (listfind(g_classes, SCANNER_DIR) == -1)
g_classes = listunion((list)SCANNER_DIR, g_classes);
#endif
#ifdef PARSER_DIR
if (listfind(g_classes, PARSER_DIR) == -1)
g_classes = listunion((list)PARSER_DIR, g_classes);
#endif
g_nClasses = listlen(g_classes);
}
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