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Code generation (missing external access and source locations).

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This commit is contained in:
chriseth
2016-03-30 02:37:00 +02:00
parent 949b00ed59
commit f049430723
22 changed files with 866 additions and 108 deletions
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test/libsolidity/SolidityEndToEndTest.cpp
+89
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@@ -6486,6 +6486,95 @@ BOOST_AUTO_TEST_CASE(fixed_bytes_length_access)
BOOST_CHECK(callContractFunction("f(bytes32)", "789") == encodeArgs(u256(32), u256(16), u256(8)));
}
BOOST_AUTO_TEST_CASE(inline_assembly_write_to_stack)
{
char const* sourceCode = R"(
contract C {
function f() returns (uint r, bytes32 r2) {
assembly { r := 7 r2 := "abcdef" }
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(7), string("abcdef")));
}
BOOST_AUTO_TEST_CASE(inline_assembly_read_and_write_stack)
{
char const* sourceCode = R"(
contract C {
function f() returns (uint r) {
for (uint x = 0; x < 10; ++x)
assembly { r := add(r, x) }
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(45)));
}
BOOST_AUTO_TEST_CASE(inline_assembly_memory_access)
{
char const* sourceCode = R"(
contract C {
function test() returns (bytes) {
bytes memory x = new bytes(5);
for (uint i = 0; i < x.length; ++i)
x[i] = byte(i + 1);
assembly { mstore(add(x, 32), "12345678901234567890123456789012") }
return x;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("test()") == encodeArgs(u256(0x20), u256(5), string("12345")));
}
BOOST_AUTO_TEST_CASE(inline_assembly_storage_access)
{
char const* sourceCode = R"(
contract C {
uint16 x;
uint16 public y;
uint public z;
function f() {
// we know that z is aligned because it is too large, so we just discard its
// intra-slot offset value
assembly { 7 z pop sstore }
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()") == encodeArgs());
BOOST_CHECK(callContractFunction("z()") == encodeArgs(u256(7)));
}
BOOST_AUTO_TEST_CASE(inline_assembly_jumps)
{
char const* sourceCode = R"(
contract C {
function f() {
assembly {
let n := calldataload(4)
let a := 1
let b := a
loop:
jumpi(loopend, eq(n, 0))
a add swap1
n := sub(n, 1)
jump(loop)
loopend:
mstore(0, a)
return(0, 0x20)
}
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()", u256(5)) == encodeArgs(u256(13)));
BOOST_CHECK(callContractFunction("f()", u256(7)) == encodeArgs(u256(34)));
}
BOOST_AUTO_TEST_SUITE_END()
}