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Introduce hex literals (#832)

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* Introduce hex keyword token

* Support hex literals

* Include tests for hex literals

* Document hex literals
This commit is contained in:
Alex Beregszaszi
2016-08-16 16:31:23 +02:00
committed by chriseth
parent 970260bf0f
commit ec3298535e
5 changed files with 82 additions and 0 deletions
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test/libsolidity/SolidityScanner.cpp
+36
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@@ -324,6 +324,42 @@ BOOST_AUTO_TEST_CASE(invalid_short_unicode_string_escape)
BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
}
BOOST_AUTO_TEST_CASE(valid_hex_literal)
{
Scanner scanner(CharStream("{ hex\"00112233FF\""));
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
BOOST_CHECK_EQUAL(scanner.next(), Token::StringLiteral);
BOOST_CHECK_EQUAL(scanner.currentLiteral(), std::string("\x00\x11\x22\x33\xFF", 5));
}
BOOST_AUTO_TEST_CASE(invalid_short_hex_literal)
{
Scanner scanner(CharStream("{ hex\"00112233F\""));
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
}
BOOST_AUTO_TEST_CASE(invalid_hex_literal_with_space)
{
Scanner scanner(CharStream("{ hex\"00112233FF \""));
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
}
BOOST_AUTO_TEST_CASE(invalid_hex_literal_with_wrong_quotes)
{
Scanner scanner(CharStream("{ hex\"00112233FF'"));
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
}
BOOST_AUTO_TEST_CASE(invalid_hex_literal_nonhex_string)
{
Scanner scanner(CharStream("{ hex\"hello\""));
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
}
BOOST_AUTO_TEST_SUITE_END()