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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef util_Identifier_h
#define util_Identifier_h
#include <stddef.h> // size_t
#include "js/TypeDecls.h" // JS::Latin1Char
class JSLinearString;
namespace js {
/*
* True if str consists of an IdentifierStart character, followed by one or
* more IdentifierPart characters, i.e. it matches the IdentifierName production
* in the language spec.
*
* This returns true even if str is a keyword like "if".
*/
bool IsIdentifier(JSLinearString* str);
/*
* As above, but taking chars + length.
*/
bool IsIdentifier(const JS::Latin1Char* chars, size_t length);
bool IsIdentifier(const char16_t* chars, size_t length);
/*
* ASCII variant with known length.
*/
bool IsIdentifierASCII(char c);
bool IsIdentifierASCII(char c1, char c2);
/*
* True if str consists of an optional leading '#', followed by an
* IdentifierStart character, followed by one or more IdentifierPart characters,
* i.e. it matches the IdentifierName production or PrivateIdentifier production
* in the language spec.
*
* This returns true even if str is a keyword like "if".
*/
bool IsIdentifierNameOrPrivateName(JSLinearString* str);
/*
* As above, but taking chars + length.
*/
bool IsIdentifierNameOrPrivateName(const JS::Latin1Char* chars, size_t length);
bool IsIdentifierNameOrPrivateName(const char16_t* chars, size_t length);
} /* namespace js */
#endif /* util_Identifier_h */
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