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Code generator for function types.

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This commit is contained in:
chriseth
2016-11-16 14:37:17 +01:00
parent cc8583ec7d
commit dd173f83e3
6 changed files with 127 additions and 3 deletions
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test/libsolidity/SolidityEndToEndTest.cpp
+48 -1
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@@ -7606,6 +7606,29 @@ BOOST_AUTO_TEST_CASE(mem_resize_is_not_paid_at_call)
BOOST_CHECK(callContractFunction("f(address)", cAddrOpt) == encodeArgs(u256(7)));
}
BOOST_AUTO_TEST_CASE(calling_uninitialized_function)
{
char const* sourceCode = R"(
contract C {
function intern() returns (uint) {
function (uint) internal returns (uint) x;
x();
return 7;
}
function extern() returns (uint) {
function (uint) external returns (uint) x;
x();
return 7;
}
}
)";
compileAndRun(sourceCode, 0, "C");
// This should throw exceptions
BOOST_CHECK(callContractFunction("intern()") == encodeArgs());
BOOST_CHECK(callContractFunction("extern()") == encodeArgs());
}
BOOST_AUTO_TEST_CASE(pass_function_types_internally)
{
char const* sourceCode = R"(
@@ -7613,7 +7636,7 @@ BOOST_AUTO_TEST_CASE(pass_function_types_internally)
function f(uint x) returns (uint) {
return eval(g, x);
}
function eval(function(uint) returns (uint) x, uint a) returns (uint) {
function eval(function(uint) returns (uint) x, uint a) internal returns (uint) {
return x(a);
}
function g(uint x) returns (uint) { return x + 1; }
@@ -7624,6 +7647,30 @@ BOOST_AUTO_TEST_CASE(pass_function_types_internally)
BOOST_CHECK(callContractFunction("f(uint256)", 7) == encodeArgs(u256(8)));
}
BOOST_AUTO_TEST_CASE(pass_function_types_externally)
{
char const* sourceCode = R"(
contract C {
function f(uint x) returns (uint) {
return this.eval(this.g, x);
}
function f2(uint x) returns (uint) {
return eval(this.g, x);
}
function eval(function(uint) external returns (uint) x, uint a) returns (uint) {
return x(a);
}
function g(uint x) returns (uint) { return x + 1; }
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f(uint256)", 7) == encodeArgs(u256(8)));
BOOST_CHECK(callContractFunction("f2(uint256)", 7) == encodeArgs(u256(8)));
}
// TODO: storage, arrays
BOOST_AUTO_TEST_CASE(shift_constant_left)
{
char const* sourceCode = R"(