/**
* Reads the file that specifies method calls that should be replaced by other method calls. The
* file is of the form:
*
* <p>[regex] [orig-method-def] [new-method-name]
*
* <p>where the orig_method-def is of the form:
*
* <p>fully-qualified-method-name (args)
*
* <p>Blank lines and // comments are ignored. The orig-method-def is replaced by a call to
* new-method-name with the same arguments in any classfile that matches the regular expressions.
* All method names and argument types should be fully qualified.
*/
public void read_map_file(File map_file) throws IOException {
LineNumberReader lr = new LineNumberReader(new FileReader(map_file));
MapFileError mfe = new MapFileError(lr, map_file);
Pattern current_regex = null;
Map<MethodDef, MethodInfo> map = new LinkedHashMap<MethodDef, MethodInfo>();
for (String line = lr.readLine(); line != null; line = lr.readLine()) {
line = line.replaceFirst("//.*$", "");
if (line.trim().length() == 0) continue;
if (line.startsWith(" ")) {
if (current_regex == null)
throw new IOException("No current class regex on line " + lr.getLineNumber());
StrTok st = new StrTok(line, mfe);
st.stok.wordChars('.', '.');
MethodDef md = parse_method(st);
String new_method = st.need_word();
map.put(md, new MethodInfo(new_method));
} else {
if (current_regex != null) {
MethodMapInfo mmi = new MethodMapInfo(current_regex, map);
map_list.add(mmi);
map = new LinkedHashMap<MethodDef, MethodInfo>();
}
current_regex = Pattern.compile(line);
}
}
if (current_regex != null) {
MethodMapInfo mmi = new MethodMapInfo(current_regex, map);
map_list.add(mmi);
}
dump_map_list();
}
public void tok_error(String s) {
throw new RuntimeException(
String.format("Error on line %d of %s: %s", lr.getLineNumber(), map_file, s));
}