parseFunction method
Implementation
FunctionNode parseFunction() {
int? start = token!.startOffset;
assert(token!.text == 'function');
Token funToken = next();
Name? name;
if (token!.type == Token.NAME) {
name = parseName();
}
List<Name> params = parseParameters();
BlockStatement body = parseFunctionBody();
return FunctionNode(name, params, body)
..start = start
..end = endOffset
..line = funToken.line;
}