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clarification on dynamic arrays, switcheroo on typepointer, and a documentation test added

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This commit is contained in:
RJ Catalano 2016-01-11 23:41:20 -06:00
parent b230fe1905
commit c45593a444
4 changed files with 21 additions and 4 deletions
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2
docs/frequently-asked-questions.rst
View File

@ -318,7 +318,7 @@ Can state variables be initialized in-line?
===========================================
Yes, this is possible for all types (even for structs). However, for arrays it
should be noted that you must declare them as static memory arrays. Futhermore, multi dimensional arrays cannot be declared inline.
should be noted that you must declare them as static memory arrays.
Examples::

2
libsolidity/analysis/TypeChecker.cpp
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@ -784,7 +784,6 @@ bool TypeChecker::visit(TupleExpression const& _tuple)
{
vector<ASTPointer<Expression>> const& components = _tuple.components();
TypePointers types;
TypePointer inlineArrayType;
if (_tuple.annotation().lValueRequested)
{
@ -807,6 +806,7 @@ bool TypeChecker::visit(TupleExpression const& _tuple)
}
else
{
TypePointer inlineArrayType;
for (size_t i = 0; i < components.size(); ++i)
{
// Outside of an lvalue-context, the only situation where a component can be empty is (x,).

17
test/libsolidity/SolidityEndToEndTest.cpp
View File

@ -6123,6 +6123,23 @@ BOOST_AUTO_TEST_CASE(inline_array_storage_to_memory_conversion_strings)
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(0x40), u256(0x80), u256(3), string("ray"), u256(2), string("mi")));
}
BOOST_AUTO_TEST_CASE(inline_array_strings_from_document)
{
char const* sourceCode = R"(
contract C {
function f(uint i) returns (string) {
string[4] memory x = ["This", "is", "an", "array"];
return (x[i]);
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f(uint256)", u256(0)) == encodeArgs(u256(0x20), u256(4), string("This")));
BOOST_CHECK(callContractFunction("f(uint256)", u256(1)) == encodeArgs(u256(0x20), u256(2), string("is")));
BOOST_CHECK(callContractFunction("f(uint256)", u256(2)) == encodeArgs(u256(0x20), u256(2), string("an")));
BOOST_CHECK(callContractFunction("f(uint256)", u256(3)) == encodeArgs(u256(0x20), u256(5), string("array")));
}
BOOST_AUTO_TEST_CASE(inline_array_storage_to_memory_conversion_ints)
{
char const* sourceCode = R"(

4
test/libsolidity/SolidityNameAndTypeResolution.cpp
View File

@ -2883,11 +2883,11 @@ BOOST_AUTO_TEST_CASE(dynamic_inline_array)
char const* text = R"(
contract C {
function f() {
uint[4][4] memory dyn = [[1, 2, 3, 4], [2, 3, 4, 5], [3, 4, 5, 6], [4, 5, 6, 7]];
uint8[4][4] memory dyn = [[1, 2, 3, 4], [2, 3, 4, 5], [3, 4, 5, 6], [4, 5, 6, 7]];
}
}
)";
BOOST_CHECK(expectError(text) == Error::Type::TypeError);
BOOST_CHECK(success(text));
}
BOOST_AUTO_TEST_CASE(lvalues_as_inline_array)