// ECMA-262 13.3.1 Let and Const Declarations
public Node parseLexicalBinding(string kind, Options options)
{
Node init = null;
Node id;
Node node = new Node();
List<Token> @params = new List<Token>();
id = parsePattern(@params, kind);
// ECMA-262 12.2.1
if (strict && id.type == Syntax.Identifier && isRestrictedWord(id.name))
{
tolerateError(Messages.StrictVarName);
}
if (kind == "const")
{
if (!matchKeyword("in") && !matchContextualKeyword("of"))
{
expect("=");
init = isolateCoverGrammar(parseAssignmentExpression);
}
}
else if ((!options.inFor && id.type != Syntax.Identifier) || match("="))
{
expect("=");
init = isolateCoverGrammar(parseAssignmentExpression);
}
return node.finishVariableDeclarator(id, init);
}
public Node parseVariableDeclaration(Options options)
{
Node init = null;
Node id, node = new Node();
List<Token> @params = new List<Token>();
id = parsePattern(@params, "var");
// ECMA-262 12.2.1
if (strict && isRestrictedWord(id.name))
{
tolerateError(Messages.StrictVarName);
}
if (match("="))
{
lex();
init = isolateCoverGrammar(parseAssignmentExpression);
}
else if (id.type != Syntax.Identifier && !options.inFor)
{
expect("=");
}
return node.finishVariableDeclarator(id, init);
}
