mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
1032 lines
39 KiB
C++
1032 lines
39 KiB
C++
/*
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This file is part of solidity.
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solidity is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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solidity is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @author Christian <c@ethdev.com>
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* @date 2014
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* Unit tests for the solidity scanner.
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*/
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#include <liblangutil/Scanner.h>
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#include <boost/test/unit_test.hpp>
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using namespace std;
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using namespace solidity::langutil;
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namespace solidity::langutil::test
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{
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BOOST_AUTO_TEST_SUITE(ScannerTest)
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BOOST_AUTO_TEST_CASE(test_empty)
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{
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CharStream stream{};
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Scanner scanner(stream);
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::EOS);
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}
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BOOST_AUTO_TEST_CASE(smoke_test)
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{
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CharStream stream("function break;765 \t \"string1\",'string2'\nidentifier1", "");
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Scanner scanner(stream);
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Function);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Break);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Semicolon);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
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BOOST_CHECK_EQUAL(scanner.currentLiteral(), "765");
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BOOST_CHECK_EQUAL(scanner.next(), Token::StringLiteral);
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BOOST_CHECK_EQUAL(scanner.currentLiteral(), "string1");
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BOOST_CHECK_EQUAL(scanner.next(), Token::Comma);
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BOOST_CHECK_EQUAL(scanner.next(), Token::StringLiteral);
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BOOST_CHECK_EQUAL(scanner.currentLiteral(), "string2");
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BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
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BOOST_CHECK_EQUAL(scanner.currentLiteral(), "identifier1");
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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}
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BOOST_AUTO_TEST_CASE(assembly_assign)
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{
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CharStream stream("let a := 1", "");
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Scanner scanner(stream);
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Let);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
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BOOST_CHECK_EQUAL(scanner.next(), Token::AssemblyAssign);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
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BOOST_CHECK_EQUAL(scanner.currentLiteral(), "1");
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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}
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BOOST_AUTO_TEST_CASE(assembly_multiple_assign)
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{
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CharStream stream("let a, b, c := 1", "");
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Scanner scanner(stream);
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Let);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Comma);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Comma);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
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BOOST_CHECK_EQUAL(scanner.next(), Token::AssemblyAssign);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
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BOOST_CHECK_EQUAL(scanner.currentLiteral(), "1");
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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}
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BOOST_AUTO_TEST_CASE(string_printable)
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{
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for (unsigned v = 0x20; v < 0x7e; v++) {
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string lit{static_cast<char>(v)};
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// Escape \ and " (since we are quoting with ")
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if (v == '\\' || v == '"')
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lit = string{'\\'} + lit;
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CharStream stream(" { \"" + lit + "\"", "");
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Scanner scanner(stream);
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
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BOOST_CHECK_EQUAL(scanner.next(), Token::StringLiteral);
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BOOST_CHECK_EQUAL(scanner.currentLiteral(), string{static_cast<char>(v)});
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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}
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// Special case of unescaped " for strings quoted with '
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CharStream stream(" { '\"'", "");
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Scanner scanner(stream);
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
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BOOST_CHECK_EQUAL(scanner.next(), Token::StringLiteral);
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BOOST_CHECK_EQUAL(scanner.currentLiteral(), "\"");
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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}
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BOOST_AUTO_TEST_CASE(string_nonprintable)
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{
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for (unsigned v = 0; v < 0xff; v++) {
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// Skip the valid ones
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if (v >= 0x20 && v <= 0x7e)
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continue;
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string lit{static_cast<char>(v)};
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CharStream stream(" { \"" + lit + "\"", "");
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Scanner scanner(stream);
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
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if (v == '\n' || v == '\v' || v == '\f' || v == '\r')
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BOOST_CHECK_EQUAL(scanner.currentError(), ScannerError::IllegalStringEndQuote);
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else
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BOOST_CHECK_EQUAL(scanner.currentError(),ScannerError::UnicodeCharacterInNonUnicodeString);
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BOOST_CHECK_EQUAL(scanner.currentLiteral(), "");
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}
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}
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BOOST_AUTO_TEST_CASE(string_escapes)
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{
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CharStream stream(" { \"a\\x61\"", "");
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Scanner scanner(stream);
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
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BOOST_CHECK_EQUAL(scanner.next(), Token::StringLiteral);
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BOOST_CHECK_EQUAL(scanner.currentLiteral(), "aa");
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}
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BOOST_AUTO_TEST_CASE(string_escapes_all)
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{
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CharStream stream(" { \"a\\x61\\n\\r\\t\"", "");
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Scanner scanner(stream);
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
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BOOST_CHECK_EQUAL(scanner.next(), Token::StringLiteral);
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BOOST_CHECK_EQUAL(scanner.currentLiteral(), "aa\n\r\t");
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}
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struct TestScanner
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{
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unique_ptr<CharStream> stream;
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unique_ptr<Scanner> scanner;
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explicit TestScanner(string _text) { reset(move(_text)); }
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void reset(std::string _text)
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{
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stream = make_unique<CharStream>(move(_text), "");
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scanner = make_unique<Scanner>(*stream);
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}
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decltype(auto) currentToken() { return scanner->currentToken(); }
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decltype(auto) next() { return scanner->next(); }
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decltype(auto) currentError() { return scanner->currentError(); }
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decltype(auto) currentLiteral() { return scanner->currentLiteral(); }
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decltype(auto) currentCommentLiteral() { return scanner->currentCommentLiteral(); }
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decltype(auto) currentLocation() { return scanner->currentLocation(); }
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};
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BOOST_AUTO_TEST_CASE(string_escapes_legal_before_080)
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{
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TestScanner scanner(" { \"a\\b");
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
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BOOST_CHECK_EQUAL(scanner.currentError(), ScannerError::IllegalEscapeSequence);
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BOOST_CHECK_EQUAL(scanner.currentLiteral(), "");
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scanner.reset(" { \"a\\f");
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
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BOOST_CHECK_EQUAL(scanner.currentError(), ScannerError::IllegalEscapeSequence);
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BOOST_CHECK_EQUAL(scanner.currentLiteral(), "");
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scanner.reset(" { \"a\\v");
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
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BOOST_CHECK_EQUAL(scanner.currentError(), ScannerError::IllegalEscapeSequence);
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BOOST_CHECK_EQUAL(scanner.currentLiteral(), "");
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}
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BOOST_AUTO_TEST_CASE(string_escapes_with_zero)
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{
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TestScanner scanner(" { \"a\\x61\\x00abc\"");
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
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BOOST_CHECK_EQUAL(scanner.next(), Token::StringLiteral);
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BOOST_CHECK_EQUAL(scanner.currentLiteral(), std::string("aa\0abc", 6));
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}
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BOOST_AUTO_TEST_CASE(string_escape_illegal)
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{
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CharStream stream(" bla \"\\x6rf\" (illegalescape)", "");
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Scanner scanner(stream);
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Identifier);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
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BOOST_CHECK_EQUAL(scanner.currentError(), ScannerError::IllegalEscapeSequence);
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BOOST_CHECK_EQUAL(scanner.currentLiteral(), "");
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// TODO recovery from illegal tokens should be improved
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BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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}
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BOOST_AUTO_TEST_CASE(hex_numbers)
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{
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TestScanner scanner("var x = 0x765432536763762734623472346;");
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Var);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Assign);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
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BOOST_CHECK_EQUAL(scanner.currentLiteral(), "0x765432536763762734623472346");
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BOOST_CHECK_EQUAL(scanner.next(), Token::Semicolon);
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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scanner.reset("0x1234");
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Number);
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BOOST_CHECK_EQUAL(scanner.currentLiteral(), "0x1234");
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scanner.reset("0X1234");
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Illegal);
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}
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BOOST_AUTO_TEST_CASE(octal_numbers)
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{
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TestScanner scanner("07");
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Illegal);
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scanner.reset("007");
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Illegal);
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scanner.reset("-07");
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Sub);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
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scanner.reset("-.07");
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Sub);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
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scanner.reset("0");
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Number);
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scanner.reset("0.1");
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Number);
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}
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BOOST_AUTO_TEST_CASE(scientific_notation)
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{
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CharStream stream("var x = 2e10;", "");
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Scanner scanner(stream);
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Var);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Assign);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
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BOOST_CHECK_EQUAL(scanner.currentLiteral(), "2e10");
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BOOST_CHECK_EQUAL(scanner.next(), Token::Semicolon);
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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}
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BOOST_AUTO_TEST_CASE(leading_dot_in_identifier)
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{
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TestScanner scanner("function .a(");
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Function);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Period);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
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BOOST_CHECK_EQUAL(scanner.next(), Token::LParen);
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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scanner.reset("function .a(");
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scanner.scanner->setScannerMode(ScannerKind::Yul);
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Function);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Period);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
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BOOST_CHECK_EQUAL(scanner.next(), Token::LParen);
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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}
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BOOST_AUTO_TEST_CASE(middle_dot_in_identifier)
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{
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TestScanner scanner("function a..a(");
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Function);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Period);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Period);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
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BOOST_CHECK_EQUAL(scanner.next(), Token::LParen);
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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scanner.reset("function a...a(");
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scanner.scanner->setScannerMode(ScannerKind::Yul);
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Function);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
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BOOST_CHECK_EQUAL(scanner.next(), Token::LParen);
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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}
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BOOST_AUTO_TEST_CASE(trailing_dot_in_identifier)
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{
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TestScanner scanner("function a.(");
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Function);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Period);
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BOOST_CHECK_EQUAL(scanner.next(), Token::LParen);
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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scanner.reset("function a.(");
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scanner.scanner->setScannerMode(ScannerKind::Yul);
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Function);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
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BOOST_CHECK_EQUAL(scanner.next(), Token::LParen);
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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}
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BOOST_AUTO_TEST_CASE(trailing_dot_in_numbers)
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{
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TestScanner scanner("2.5");
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Number);
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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scanner.reset("2.5e10");
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Number);
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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scanner.reset(".5");
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Number);
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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scanner.reset(".5e10");
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Number);
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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scanner.reset("2.");
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Number);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Period);
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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}
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BOOST_AUTO_TEST_CASE(leading_underscore_decimal_is_identifier)
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{
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// Actual error is cought by SyntaxChecker.
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CharStream stream("_1.2", "");
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Scanner scanner(stream);
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Identifier);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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}
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BOOST_AUTO_TEST_CASE(leading_underscore_decimal_after_dot_illegal)
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{
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// Actual error is cought by SyntaxChecker.
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TestScanner scanner("1._2");
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Number);
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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scanner.reset("1._");
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Number);
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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}
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BOOST_AUTO_TEST_CASE(leading_underscore_exp_are_identifier)
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{
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// Actual error is cought by SyntaxChecker.
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CharStream stream("_1e2", "");
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Scanner scanner(stream);
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Identifier);
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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}
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BOOST_AUTO_TEST_CASE(leading_underscore_exp_after_e_illegal)
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{
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// Actual error is cought by SyntaxChecker.
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CharStream stream("1e_2", "");
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Scanner scanner(stream);
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Number);
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BOOST_CHECK_EQUAL(scanner.currentLiteral(), "1e_2");
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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}
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BOOST_AUTO_TEST_CASE(leading_underscore_hex_illegal)
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{
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CharStream stream("0x_abc", "");
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Scanner scanner(stream);
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Illegal);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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}
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BOOST_AUTO_TEST_CASE(fixed_number_invalid_underscore_front)
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{
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// Actual error is cought by SyntaxChecker.
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CharStream stream("12._1234_1234", "");
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Scanner scanner(stream);
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Number);
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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}
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BOOST_AUTO_TEST_CASE(number_literals_with_trailing_underscore_at_eos)
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{
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// Actual error is cought by SyntaxChecker.
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TestScanner scanner("0x123_");
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Number);
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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scanner.reset("123_");
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Number);
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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scanner.reset("12.34_");
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Number);
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BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
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}
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BOOST_AUTO_TEST_CASE(negative_numbers)
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{
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TestScanner scanner("var x = -.2 + -0x78 + -7.3 + 8.9 + 2e-2;");
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BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Var);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Assign);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Sub);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
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BOOST_CHECK_EQUAL(scanner.currentLiteral(), ".2");
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BOOST_CHECK_EQUAL(scanner.next(), Token::Add);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Sub);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
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BOOST_CHECK_EQUAL(scanner.currentLiteral(), "0x78");
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BOOST_CHECK_EQUAL(scanner.next(), Token::Add);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Sub);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
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BOOST_CHECK_EQUAL(scanner.currentLiteral(), "7.3");
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BOOST_CHECK_EQUAL(scanner.next(), Token::Add);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
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BOOST_CHECK_EQUAL(scanner.currentLiteral(), "8.9");
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BOOST_CHECK_EQUAL(scanner.next(), Token::Add);
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BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
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BOOST_CHECK_EQUAL(scanner.currentLiteral(), "2e-2");
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|
BOOST_CHECK_EQUAL(scanner.next(), Token::Semicolon);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(locations)
|
|
{
|
|
TestScanner scanner("function_identifier has ; -0x743/*comment*/\n ident //comment");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.currentLocation().start, 0);
|
|
BOOST_CHECK_EQUAL(scanner.currentLocation().end, 19);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.currentLocation().start, 20);
|
|
BOOST_CHECK_EQUAL(scanner.currentLocation().end, 23);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Semicolon);
|
|
BOOST_CHECK_EQUAL(scanner.currentLocation().start, 24);
|
|
BOOST_CHECK_EQUAL(scanner.currentLocation().end, 25);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Sub);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
|
|
BOOST_CHECK_EQUAL(scanner.currentLocation().start, 27);
|
|
BOOST_CHECK_EQUAL(scanner.currentLocation().end, 32);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.currentLocation().start, 45);
|
|
BOOST_CHECK_EQUAL(scanner.currentLocation().end, 50);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(ambiguities)
|
|
{
|
|
// test scanning of some operators which need look-ahead
|
|
TestScanner scanner("<=" "<" "+ +=a++ =>" "<<" ">>" " >>=" ">>>" ">>>=" " >>>>>=><<=");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LessThanOrEqual);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::LessThan);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Add);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::AssignAdd);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Inc);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::DoubleArrow);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::SHL);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::SAR);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::AssignSar);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::SHR);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::AssignShr);
|
|
// the last "monster" token combination
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::SHR);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::AssignSar);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::GreaterThan);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::AssignShl);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(documentation_comments_parsed_begin)
|
|
{
|
|
TestScanner scanner("/// Send $(value / 1000) chocolates to the user");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::EOS);
|
|
BOOST_CHECK_EQUAL(scanner.currentCommentLiteral(), "Send $(value / 1000) chocolates to the user");
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(multiline_documentation_comments_parsed_begin)
|
|
{
|
|
TestScanner scanner("/** Send $(value / 1000) chocolates to the user*/");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::EOS);
|
|
BOOST_CHECK_EQUAL(scanner.currentCommentLiteral(), "Send $(value / 1000) chocolates to the user");
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(documentation_comments_parsed)
|
|
{
|
|
TestScanner scanner("some other tokens /// Send $(value / 1000) chocolates to the user");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
|
|
BOOST_CHECK_EQUAL(scanner.currentCommentLiteral(), "Send $(value / 1000) chocolates to the user");
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(multiline_documentation_comments_parsed)
|
|
{
|
|
TestScanner scanner("some other tokens /**\n"
|
|
"* Send $(value / 1000) chocolates to the user\n"
|
|
"*/");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
|
|
BOOST_CHECK_EQUAL(scanner.currentCommentLiteral(), " Send $(value / 1000) chocolates to the user");
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(multiline_documentation_no_stars)
|
|
{
|
|
TestScanner scanner("some other tokens /**\n"
|
|
" Send $(value / 1000) chocolates to the user\n"
|
|
"*/");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
|
|
BOOST_CHECK_EQUAL(scanner.currentCommentLiteral(), "Send $(value / 1000) chocolates to the user");
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(multiline_documentation_whitespace_hell)
|
|
{
|
|
TestScanner scanner("some other tokens /** \t \r \n"
|
|
"\t \r * Send $(value / 1000) chocolates to the user\n"
|
|
"*/");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
|
|
BOOST_CHECK_EQUAL(scanner.currentCommentLiteral(), " Send $(value / 1000) chocolates to the user");
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(comment_before_eos)
|
|
{
|
|
TestScanner scanner("//");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::EOS);
|
|
BOOST_CHECK_EQUAL(scanner.currentCommentLiteral(), "");
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(documentation_comment_before_eos)
|
|
{
|
|
TestScanner scanner("///");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::EOS);
|
|
BOOST_CHECK_EQUAL(scanner.currentCommentLiteral(), "");
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(empty_multiline_comment)
|
|
{
|
|
TestScanner scanner("/**/");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::EOS);
|
|
BOOST_CHECK_EQUAL(scanner.currentCommentLiteral(), "");
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(empty_multiline_documentation_comment_before_eos)
|
|
{
|
|
TestScanner scanner("/***/");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::EOS);
|
|
BOOST_CHECK_EQUAL(scanner.currentCommentLiteral(), "");
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(comments_mixed_in_sequence)
|
|
{
|
|
TestScanner scanner("hello_world ///documentation comment \n"
|
|
"//simple comment \n"
|
|
"<<");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::SHL);
|
|
BOOST_CHECK_EQUAL(scanner.currentCommentLiteral(), "documentation comment ");
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(ether_subdenominations)
|
|
{
|
|
TestScanner scanner("wei gwei ether");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::SubWei);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::SubGwei);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::SubEther);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(time_subdenominations)
|
|
{
|
|
TestScanner scanner("seconds minutes hours days weeks years");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::SubSecond);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::SubMinute);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::SubHour);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::SubDay);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::SubWeek);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::SubYear);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(empty_comment)
|
|
{
|
|
TestScanner scanner("//\ncontract{}");
|
|
BOOST_CHECK_EQUAL(scanner.currentCommentLiteral(), "");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Contract);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::LBrace);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::RBrace);
|
|
|
|
}
|
|
|
|
// Unicode string escapes
|
|
|
|
BOOST_AUTO_TEST_CASE(valid_unicode_string_escape)
|
|
{
|
|
TestScanner scanner("{ \"\\u00DAnicode\"");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::StringLiteral);
|
|
BOOST_CHECK_EQUAL(scanner.currentLiteral(), std::string("\xC3\x9Anicode", 8));
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(valid_unicode_string_escape_7f)
|
|
{
|
|
TestScanner scanner("{ \"\\u007Fnicode\"");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::StringLiteral);
|
|
BOOST_CHECK_EQUAL(scanner.currentLiteral(), std::string("\x7Fnicode", 7));
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(valid_unicode_string_escape_7ff)
|
|
{
|
|
TestScanner scanner("{ \"\\u07FFnicode\"");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::StringLiteral);
|
|
BOOST_CHECK_EQUAL(scanner.currentLiteral(), std::string("\xDF\xBFnicode", 8));
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(valid_unicode_string_escape_ffff)
|
|
{
|
|
TestScanner scanner("{ \"\\uFFFFnicode\"");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::StringLiteral);
|
|
BOOST_CHECK_EQUAL(scanner.currentLiteral(), std::string("\xEF\xBF\xBFnicode", 9));
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(invalid_short_unicode_string_escape)
|
|
{
|
|
TestScanner scanner("{ \"\\uFFnicode\"");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
|
|
}
|
|
|
|
// Unicode string literal
|
|
|
|
BOOST_AUTO_TEST_CASE(unicode_prefix_only)
|
|
{
|
|
TestScanner scanner("{ unicode");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
|
|
BOOST_CHECK_EQUAL(scanner.currentError(), ScannerError::IllegalToken);
|
|
scanner.reset("{ unicode");
|
|
scanner.scanner->setScannerMode(ScannerKind::Yul);
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.currentLiteral(), "unicode");
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(unicode_invalid_space)
|
|
{
|
|
TestScanner scanner("{ unicode ");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
|
|
BOOST_CHECK_EQUAL(scanner.currentError(), ScannerError::IllegalToken);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(unicode_invalid_token)
|
|
{
|
|
TestScanner scanner("{ unicode test");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
|
|
BOOST_CHECK_EQUAL(scanner.currentError(), ScannerError::IllegalToken);
|
|
scanner.reset("{ unicode test");
|
|
scanner.scanner->setScannerMode(ScannerKind::Yul);
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.currentLiteral(), "unicode");
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.currentLiteral(), "test");
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(valid_unicode_literal)
|
|
{
|
|
TestScanner scanner("{ unicode\"Hello 😃\"");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::UnicodeStringLiteral);
|
|
BOOST_CHECK_EQUAL(scanner.currentLiteral(), std::string("Hello \xf0\x9f\x98\x83", 10));
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(valid_nonprintable_in_unicode_literal)
|
|
{
|
|
// Non-printable characters are allowed in unicode strings...
|
|
TestScanner scanner("{ unicode\"Hello \007😃\"");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::UnicodeStringLiteral);
|
|
BOOST_CHECK_EQUAL(scanner.currentLiteral(), std::string("Hello \x07\xf0\x9f\x98\x83", 11));
|
|
}
|
|
|
|
// Hex string literal
|
|
|
|
BOOST_AUTO_TEST_CASE(hex_prefix_only)
|
|
{
|
|
TestScanner scanner("{ hex");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
|
|
BOOST_CHECK_EQUAL(scanner.currentError(), ScannerError::IllegalToken);
|
|
scanner.reset("{ hex");
|
|
scanner.scanner->setScannerMode(ScannerKind::Yul);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
|
|
BOOST_CHECK_EQUAL(scanner.currentError(), ScannerError::IllegalToken);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(hex_invalid_space)
|
|
{
|
|
TestScanner scanner("{ hex ");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
|
|
BOOST_CHECK_EQUAL(scanner.currentError(), ScannerError::IllegalToken);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(hex_invalid_token)
|
|
{
|
|
TestScanner scanner("{ hex test");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
|
|
BOOST_CHECK_EQUAL(scanner.currentError(), ScannerError::IllegalToken);
|
|
scanner.reset("{ hex test");
|
|
scanner.scanner->setScannerMode(ScannerKind::Yul);
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
|
|
BOOST_CHECK_EQUAL(scanner.currentError(), ScannerError::IllegalToken);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(valid_hex_literal)
|
|
{
|
|
TestScanner scanner("{ hex\"00112233FF\"");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::HexStringLiteral);
|
|
BOOST_CHECK_EQUAL(scanner.currentLiteral(), std::string("\x00\x11\x22\x33\xFF", 5));
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(invalid_short_hex_literal)
|
|
{
|
|
TestScanner scanner("{ hex\"00112233F\"");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
|
|
BOOST_CHECK_EQUAL(scanner.currentError(), ScannerError::IllegalHexString);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(invalid_hex_literal_with_space)
|
|
{
|
|
TestScanner scanner("{ hex\"00112233FF \"");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
|
|
BOOST_CHECK_EQUAL(scanner.currentError(), ScannerError::IllegalHexString);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(invalid_hex_literal_with_wrong_quotes)
|
|
{
|
|
TestScanner scanner("{ hex\"00112233FF'");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
|
|
BOOST_CHECK_EQUAL(scanner.currentError(), ScannerError::IllegalHexString);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(invalid_hex_literal_nonhex_string)
|
|
{
|
|
TestScanner scanner("{ hex\"hello\"");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
|
|
BOOST_CHECK_EQUAL(scanner.currentError(), ScannerError::IllegalHexString);
|
|
}
|
|
|
|
// Comments
|
|
|
|
BOOST_AUTO_TEST_CASE(invalid_multiline_comment_close)
|
|
{
|
|
// This used to parse as "comment", "identifier"
|
|
TestScanner scanner("/** / x");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Illegal);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(multiline_doc_comment_at_eos)
|
|
{
|
|
// This used to parse as "whitespace"
|
|
TestScanner scanner("/**");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Illegal);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(multiline_comment_at_eos)
|
|
{
|
|
TestScanner scanner("/*");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Illegal);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(regular_line_break_in_single_line_comment)
|
|
{
|
|
for (auto const& nl: {"\r", "\n", "\r\n"})
|
|
{
|
|
TestScanner scanner("// abc " + string(nl) + " def ");
|
|
BOOST_CHECK_EQUAL(scanner.currentCommentLiteral(), "");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.currentLiteral(), "def");
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
|
|
}
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(irregular_line_breaks_in_single_line_comment)
|
|
{
|
|
for (auto const& nl: {"\v", "\f", "\xE2\x80\xA8", "\xE2\x80\xA9"})
|
|
{
|
|
TestScanner scanner("// abc " + string(nl) + " def ");
|
|
BOOST_CHECK_EQUAL(scanner.currentCommentLiteral(), "");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Illegal);
|
|
for (size_t i = 0; i < string(nl).size() - 1; i++)
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.currentLiteral(), "def");
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
|
|
}
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(regular_line_breaks_in_single_line_doc_comment)
|
|
{
|
|
for (auto const& nl: {"\r", "\n", "\r\n"})
|
|
{
|
|
TestScanner scanner("/// abc " + string(nl) + " def ");
|
|
BOOST_CHECK_EQUAL(scanner.currentCommentLiteral(), "abc ");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.currentLiteral(), "def");
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
|
|
}
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(regular_line_breaks_in_multiline_doc_comment)
|
|
{
|
|
// Test CR, LF, CRLF as line valid terminators for code comments.
|
|
// Any accepted non-LF is being canonicalized to LF.
|
|
for (auto const& nl : {"\r"s, "\n"s, "\r\n"s})
|
|
{
|
|
TestScanner scanner{"/// Hello" + nl + "/// World" + nl + "ident"};
|
|
auto const& lit = scanner.currentCommentLiteral();
|
|
BOOST_CHECK_EQUAL(lit, "Hello\n World");
|
|
BOOST_CHECK_EQUAL(scanner.currentCommentLiteral(), "Hello\n World");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.currentLiteral(), "ident");
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
|
|
}
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(irregular_line_breaks_in_single_line_doc_comment)
|
|
{
|
|
for (auto const& nl: {"\v", "\f", "\xE2\x80\xA8", "\xE2\x80\xA9"})
|
|
{
|
|
TestScanner scanner("/// abc " + string(nl) + " def ");
|
|
BOOST_CHECK_EQUAL(scanner.currentCommentLiteral(), "abc ");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Illegal);
|
|
for (size_t i = 0; i < string(nl).size() - 1; i++)
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.currentLiteral(), "def");
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
|
|
}
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(regular_line_breaks_in_strings)
|
|
{
|
|
for (auto const& nl: {"\r"s, "\n"s, "\r\n"s})
|
|
{
|
|
TestScanner scanner("\"abc " + nl + " def\"");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Illegal);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.currentLiteral(), "def");
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
|
|
}
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(irregular_line_breaks_in_strings)
|
|
{
|
|
for (auto const& nl: {"\v", "\f", "\xE2\x80\xA8", "\xE2\x80\xA9"})
|
|
{
|
|
TestScanner scanner("\"abc " + string(nl) + " def\"");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Illegal);
|
|
for (size_t i = 0; i < string(nl).size(); i++)
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.currentLiteral(), "def");
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
|
|
}
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(solidity_keywords)
|
|
{
|
|
// These are tokens which have a different meaning in Yul.
|
|
string keywords = "return byte bool address var in true false leave switch case default";
|
|
TestScanner scanner(keywords);
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Return);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Byte);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Bool);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Address);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Var);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::In);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::TrueLiteral);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::FalseLiteral);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Switch);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Case);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Default);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
|
|
scanner.reset(keywords);
|
|
scanner.scanner->setScannerMode(ScannerKind::Yul);
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::TrueLiteral);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::FalseLiteral);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Leave);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Switch);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Case);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Default);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(yul_keyword_like)
|
|
{
|
|
TestScanner scanner("leave.function");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Period);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Function);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
|
|
scanner.reset("leave.function");
|
|
scanner.scanner->setScannerMode(ScannerKind::Yul);
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(yul_identifier_with_dots)
|
|
{
|
|
TestScanner scanner("mystorage.slot := 1");
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Period);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::AssemblyAssign);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
|
|
scanner.reset("mystorage.slot := 1");
|
|
scanner.scanner->setScannerMode(ScannerKind::Yul);
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::AssemblyAssign);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(yul_function)
|
|
{
|
|
string sig = "function f(a, b) -> x, y";
|
|
TestScanner scanner(sig);
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Function);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::LParen);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Comma);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::RParen);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::RightArrow);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Comma);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
|
|
scanner.reset(sig);
|
|
scanner.scanner->setScannerMode(ScannerKind::Yul);
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Function);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::LParen);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Comma);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::RParen);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::RightArrow);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Comma);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(yul_function_with_whitespace)
|
|
{
|
|
string sig = "function f (a, b) - > x, y";
|
|
TestScanner scanner(sig);
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Function);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::LParen);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Comma);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::RParen);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Sub);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::GreaterThan);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Comma);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
|
|
scanner.reset(sig);
|
|
scanner.scanner->setScannerMode(ScannerKind::Yul);
|
|
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Function);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::LParen);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Comma);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::RParen);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Sub);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::GreaterThan);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Comma);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
|
|
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_SUITE_END()
|
|
|
|
} // end namespaces
|