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Flexible string literals, convertible to bytesX, bytes and string.

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This commit is contained in:
chriseth 2015-07-08 01:13:56 +02:00
parent 86e179abf4
commit 2173ad25a9
3 changed files with 51 additions and 15 deletions
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45
libsolidity/SolidityEndToEndTest.cpp
View File

@ -564,20 +564,6 @@ BOOST_AUTO_TEST_CASE(strings)
BOOST_CHECK(callContractFunction("pipeThrough(bytes2,bool)", string("\0\x02", 2), true) == encodeArgs(string("\0\x2", 2), true));
}
BOOST_AUTO_TEST_CASE(empty_string_on_stack)
{
char const* sourceCode = R"(
contract test {
function run() external returns(bytes2 ret) {
var y = "";
ret = y;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("run()") == encodeArgs(byte(0x00)));
}
BOOST_AUTO_TEST_CASE(inc_dec_operators)
{
char const* sourceCode = R"(
@ -5001,6 +4987,37 @@ BOOST_AUTO_TEST_CASE(struct_named_constructor)
BOOST_CHECK(callContractFunction("s()") == encodeArgs(u256(1), true));
}
BOOST_AUTO_TEST_CASE(literal_strings)
{
char const* sourceCode = R"(
contract Test {
string public long;
string public medium;
string public short;
string public empty;
function f() returns (string) {
long = "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789001234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678900123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789001234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890";
medium = "01234567890123456789012345678901234567890123456789012345678901234567890123456789";
short = "123";
empty = "";
return "Hello, World!";
}
}
)";
compileAndRun(sourceCode, 0, "Test");
string longStr = "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789001234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678900123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789001234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890";
string medium = "01234567890123456789012345678901234567890123456789012345678901234567890123456789";
string shortStr = "123";
string hello = "Hello, World!";
BOOST_CHECK(callContractFunction("f()") == encodeDyn(hello));
BOOST_CHECK(callContractFunction("long()") == encodeDyn(longStr));
BOOST_CHECK(callContractFunction("medium()") == encodeDyn(medium));
BOOST_CHECK(callContractFunction("short()") == encodeDyn(shortStr));
BOOST_CHECK(callContractFunction("empty()") == encodeDyn(string()));
}
BOOST_AUTO_TEST_SUITE_END()
}

15
libsolidity/SolidityNameAndTypeResolution.cpp
View File

@ -283,7 +283,7 @@ BOOST_AUTO_TEST_CASE(large_string_literal)
char const* text = "contract test {\n"
" function f() { var x = \"123456789012345678901234567890123\"; }"
"}\n";
BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
}
BOOST_AUTO_TEST_CASE(balance)
@ -2097,6 +2097,19 @@ BOOST_AUTO_TEST_CASE(struct_named_constructor)
BOOST_CHECK_NO_THROW(parseTextAndResolveNames(sourceCode));
}
BOOST_AUTO_TEST_CASE(literal_strings)
{
char const* text = R"(
contract Foo {
function f() {
string memory long = "01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890";
string memory short = "123";
}
}
)";
BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
}
BOOST_AUTO_TEST_SUITE_END()
}

6
libsolidity/solidityExecutionFramework.h
View File

@ -145,6 +145,12 @@ public:
{
return bytes();
}
//@todo might be extended in the future
template <class Arg>
static bytes encodeDyn(Arg const& _arg)
{
return encodeArgs(u256(0x20), u256(_arg.size()), _arg);
}
private:
template <class CppFunction, class... Args>