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Merge pull request #4172 from ethereum/trailing_dot

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[BREAKING] Disallow trailing dot not followed by number
This commit is contained in:
chriseth
2018-05-30 18:51:52 +02:00
committed by GitHub
parent 0e3d4f773f ac68710789
commit 0a1a8bfb09
6 changed files with 46 additions and 1 deletions
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test/libsolidity/SolidityScanner.cpp
+20
View File
@@ -127,6 +127,26 @@ BOOST_AUTO_TEST_CASE(scientific_notation)
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
}
BOOST_AUTO_TEST_CASE(trailing_dot)
{
Scanner scanner(CharStream("2.5"));
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Number);
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
scanner.reset(CharStream("2.5e10"), "");
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Number);
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
scanner.reset(CharStream(".5"), "");
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Number);
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
scanner.reset(CharStream(".5e10"), "");
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Number);
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
scanner.reset(CharStream("2."), "");
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::Number);
BOOST_CHECK_EQUAL(scanner.next(), Token::Period);
BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
}
BOOST_AUTO_TEST_CASE(negative_numbers)
{
Scanner scanner(CharStream("var x = -.2 + -0x78 + -7.3 + 8.9 + 2e-2;"));
test/libsolidity/syntaxTests/parsing/trailing_dot1.sol
+7
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@@ -0,0 +1,7 @@
contract test {
uint256 a = 2.2e10;
uint256 b = .5E10;
uint256 c = 4.e-2;
}
// ----
// TypeError: (70-73): Member "e" not found or not visible after argument-dependent lookup in int_const 4
test/libsolidity/syntaxTests/parsing/trailing_dot2.sol
+7
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@@ -0,0 +1,7 @@
contract test {
uint256 a = 2.2e10;
uint256 b = .5E10;
uint256 c = 2 + 2.;
}
// ----
// ParserError: (76-77): Expected identifier but got ';'
test/libsolidity/syntaxTests/parsing/trailing_dot3.sol
+4
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@@ -0,0 +1,4 @@
contract test {
uint a = 2.
// ----
// ParserError: (29-29): Expected identifier but got end of source