public static ParserRuleContext getParseTree(String fileName) throws Exception {
FileOpener fo = new FileOpener(fileName);
String contents = fo.getTrimmedContents();
org.antlr.v4.runtime.CharStream input = new org.antlr.v4.runtime.ANTLRInputStream(contents);
PythonLexer lexer = new PythonLexer(input);
org.antlr.v4.runtime.CommonTokenStream tokens =
new org.antlr.v4.runtime.CommonTokenStream(lexer);
PythonParser parser = new PythonParser(tokens);
parser.setErrorHandler(new BailErrorStrategy());
try {
ParserRuleContext context = parser.file_input();
File2Tree.unlink(lexer, parser);
return context;
} catch (Exception ex) {
File2Tree.unlink(lexer, parser);
throw ex;
}
}
