Merge pull request #4412 from ethereum/v050-reference-resolver-errorTypeForLoose

[BREAKING] permanently set errorTypeForLoose from Warning to SyntaxError
This commit is contained in:
Christian Parpart
2018-08-03 19:30:33 +02:00
committed by GitHub
22 changed files with 38 additions and 275 deletions
@@ -381,19 +381,16 @@ library RLP {
// we can write entire words, and just overwrite any excess.
assembly {
{
let i := 0 // Start at arr + 0x20
let words := div(add(btsLen, 31), 32)
let rOffset := btsPtr
let wOffset := add(tgt, 0x20)
tag_loop:
jumpi(end, eq(i, words))
// Start at arr + 0x20
for { let i := 0 } not(eq(i, words)) { i := add(i, 1) }
{
let offset := mul(i, 0x20)
mstore(add(wOffset, offset), mload(add(rOffset, offset)))
i := add(i, 1)
}
jump(tag_loop)
end:
mstore(add(tgt, add(0x20, mload(tgt))), 0)
}
}
+10 -136
View File
@@ -8910,52 +8910,6 @@ BOOST_AUTO_TEST_CASE(inline_assembly_storage_access_via_pointer)
ABI_CHECK(callContractFunction("separator2()"), encodeArgs(u256(0)));
}
BOOST_AUTO_TEST_CASE(inline_assembly_jumps)
{
char const* sourceCode = R"(
contract C {
function f() public {
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");
ABI_CHECK(callContractFunction("f()", u256(5)), encodeArgs(u256(13)));
ABI_CHECK(callContractFunction("f()", u256(7)), encodeArgs(u256(34)));
}
BOOST_AUTO_TEST_CASE(inline_assembly_function_access)
{
char const* sourceCode = R"(
contract C {
uint public x;
function g(uint y) public { x = 2 * y; assembly { stop } }
function f(uint _x) public {
assembly {
_x
jump(g)
pop
}
}
}
)";
compileAndRun(sourceCode, 0, "C");
ABI_CHECK(callContractFunction("f(uint256)", u256(5)), encodeArgs());
ABI_CHECK(callContractFunction("x()"), encodeArgs(u256(10)));
}
BOOST_AUTO_TEST_CASE(inline_assembly_function_call)
{
char const* sourceCode = R"(
@@ -11261,7 +11215,7 @@ BOOST_AUTO_TEST_CASE(invalid_instruction)
contract C {
function f() public {
assembly {
invalid
invalid()
}
}
}
@@ -11688,19 +11642,10 @@ BOOST_AUTO_TEST_CASE(keccak256_assembly)
ret := keccak256(0, 0)
}
}
function g() public pure returns (bytes32 ret) {
assembly {
0
0
keccak256
=: ret
}
}
}
)";
compileAndRun(sourceCode, 0, "C");
ABI_CHECK(callContractFunction("f()"), fromHex("0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470"));
ABI_CHECK(callContractFunction("g()"), fromHex("0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470"));
}
BOOST_AUTO_TEST_CASE(multi_modifiers)
@@ -12547,50 +12492,6 @@ BOOST_AUTO_TEST_CASE(staticcall_for_view_and_pure)
}
}
BOOST_AUTO_TEST_CASE(swap_peephole_optimisation)
{
char const* sourceCode = R"(
contract C {
function lt(uint a, uint b) public returns (bool c) {
assembly {
a
b
swap1
lt
=: c
}
}
function add(uint a, uint b) public returns (uint c) {
assembly {
a
b
swap1
add
=: c
}
}
function div(uint a, uint b) public returns (uint c) {
assembly {
a
b
swap1
div
=: c
}
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("lt(uint256,uint256)", u256(1), u256(2)) == encodeArgs(u256(1)));
BOOST_CHECK(callContractFunction("lt(uint256,uint256)", u256(2), u256(1)) == encodeArgs(u256(0)));
BOOST_CHECK(callContractFunction("add(uint256,uint256)", u256(1), u256(2)) == encodeArgs(u256(3)));
BOOST_CHECK(callContractFunction("add(uint256,uint256)", u256(100), u256(200)) == encodeArgs(u256(300)));
BOOST_CHECK(callContractFunction("div(uint256,uint256)", u256(2), u256(1)) == encodeArgs(u256(2)));
BOOST_CHECK(callContractFunction("div(uint256,uint256)", u256(200), u256(10)) == encodeArgs(u256(20)));
BOOST_CHECK(callContractFunction("div(uint256,uint256)", u256(1), u256(0)) == encodeArgs(u256(0)));
BOOST_CHECK(callContractFunction("div(uint256,uint256)", u256(0), u256(1)) == encodeArgs(u256(0)));
}
BOOST_AUTO_TEST_CASE(bitwise_shifting_constantinople)
{
if (!dev::test::Options::get().evmVersion().hasBitwiseShifting())
@@ -12599,26 +12500,17 @@ BOOST_AUTO_TEST_CASE(bitwise_shifting_constantinople)
contract C {
function shl(uint a, uint b) public returns (uint c) {
assembly {
a
b
shl
=: c
c := shl(b, a)
}
}
function shr(uint a, uint b) public returns (uint c) {
assembly {
a
b
shr
=: c
c := shr(b, a)
}
}
function sar(uint a, uint b) public returns (uint c) {
assembly {
a
b
sar
=: c
c := sar(b, a)
}
}
}
@@ -12646,10 +12538,7 @@ BOOST_AUTO_TEST_CASE(bitwise_shifting_constants_constantinople)
function shl_1() public returns (bool) {
uint c;
assembly {
1
2
shl
=: c
c := shl(2, 1)
}
assert(c == 4);
return true;
@@ -12657,10 +12546,7 @@ BOOST_AUTO_TEST_CASE(bitwise_shifting_constants_constantinople)
function shl_2() public returns (bool) {
uint c;
assembly {
0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
1
shl
=: c
c := shl(1, 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff)
}
assert(c == 0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe);
return true;
@@ -12668,10 +12554,7 @@ BOOST_AUTO_TEST_CASE(bitwise_shifting_constants_constantinople)
function shl_3() public returns (bool) {
uint c;
assembly {
0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
256
shl
=: c
c := shl(256, 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff)
}
assert(c == 0);
return true;
@@ -12679,10 +12562,7 @@ BOOST_AUTO_TEST_CASE(bitwise_shifting_constants_constantinople)
function shr_1() public returns (bool) {
uint c;
assembly {
3
1
shr
=: c
c := shr(1, 3)
}
assert(c == 1);
return true;
@@ -12690,10 +12570,7 @@ BOOST_AUTO_TEST_CASE(bitwise_shifting_constants_constantinople)
function shr_2() public returns (bool) {
uint c;
assembly {
0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
1
shr
=: c
c := shr(1, 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff)
}
assert(c == 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
return true;
@@ -12701,10 +12578,7 @@ BOOST_AUTO_TEST_CASE(bitwise_shifting_constants_constantinople)
function shr_3() public returns (bool) {
uint c;
assembly {
0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
256
shr
=: c
c := shr(256, 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff)
}
assert(c == 0);
return true;
@@ -390,12 +390,10 @@ BOOST_AUTO_TEST_CASE(unsatisfied_version)
BOOST_AUTO_TEST_CASE(returndatasize_as_variable)
{
char const* text = R"(
contract c { function f() public { uint returndatasize; assembly { returndatasize }}}
contract C { function f() public pure { uint returndatasize; returndatasize; assembly { pop(returndatasize()) }}}
)";
vector<pair<Error::Type, std::string>> expectations(vector<pair<Error::Type, std::string>>{
{Error::Type::Warning, "Variable is shadowed in inline assembly by an instruction of the same name"},
{Error::Type::Warning, "The use of non-functional instructions is deprecated."},
{Error::Type::DeclarationError, "Unbalanced stack"}
{Error::Type::Warning, "Variable is shadowed in inline assembly by an instruction of the same name"}
});
if (!dev::test::Options::get().evmVersion().supportsReturndata())
expectations.emplace_back(make_pair(Error::Type::Warning, std::string("\"returndatasize\" instruction is only available for Byzantium-compatible")));
@@ -405,15 +403,13 @@ BOOST_AUTO_TEST_CASE(returndatasize_as_variable)
BOOST_AUTO_TEST_CASE(create2_as_variable)
{
char const* text = R"(
contract c { function f() public { uint create2; assembly { create2(0, 0, 0, 0) } }}
contract c { function f() public { uint create2; create2; assembly { pop(create2(0, 0, 0, 0)) } }}
)";
// This needs special treatment, because the message mentions the EVM version,
// so cannot be run via isoltest.
CHECK_ALLOW_MULTI(text, (std::vector<std::pair<Error::Type, std::string>>{
{Error::Type::Warning, "Variable is shadowed in inline assembly by an instruction of the same name"},
{Error::Type::Warning, "The \"create2\" instruction is not supported by the VM version"},
{Error::Type::DeclarationError, "Unbalanced stack"},
{Error::Type::Warning, "not supposed to return values"}
}));
}
@@ -11,6 +11,6 @@ contract C {
}
// ----
// TypeError: (87-88): Expected 1 arguments but got 0.
// Warning: (87-90): Top-level expressions are not supposed to return values (this expression returns -1 values). Use ``pop()`` or assign them.
// SyntaxError: (87-90): Top-level expressions are not supposed to return values (this expression returns -1 values). Use ``pop()`` or assign them.
// TypeError: (108-109): Expected 1 arguments but got 2.
// Warning: (108-115): Top-level expressions are not supposed to return values (this expression returns 1 value). Use ``pop()`` or assign them.
// SyntaxError: (108-115): Top-level expressions are not supposed to return values (this expression returns 1 value). Use ``pop()`` or assign them.
@@ -8,6 +8,6 @@ contract C {
}
}
// ----
// Warning: (63-64): The use of labels is deprecated. Please use "if", "switch", "for" or function calls instead.
// Warning: (63-64): Jump instructions and labels are low-level EVM features that can lead to incorrect stack access. Because of that they are discouraged. Please consider using "switch", "if" or "for" statements instead.
// SyntaxError: (63-64): The use of labels is disallowed. Please use "if", "switch", "for" or function calls instead.
// SyntaxError: (63-64): Jump instructions and labels are low-level EVM features that can lead to incorrect stack access. Because of that they are discouraged. Please consider using "switch", "if" or "for" statements instead.
// TypeError: (73-74): Attempt to call label instead of function.
@@ -6,5 +6,5 @@ contract test {
}
}
// ----
// Warning: (73-74): Top-level expressions are not supposed to return values (this expression returns 1 value). Use ``pop()`` or assign them.
// SyntaxError: (73-74): Top-level expressions are not supposed to return values (this expression returns 1 value). Use ``pop()`` or assign them.
// DeclarationError: (59-84): Unbalanced stack at the end of a block: 1 surplus item(s).
@@ -6,5 +6,5 @@ contract test {
}
}
// ----
// Warning: (73-76): The use of non-functional instructions is deprecated. Please use functional notation instead.
// SyntaxError: (73-76): The use of non-functional instructions is disallowed. Please use functional notation instead.
// DeclarationError: (59-86): Unbalanced stack at the end of a block: 1 missing item(s).
@@ -1,11 +0,0 @@
pragma experimental "v0.5.0";
contract C {
function f() pure public {
assembly {
1
}
}
}
// ----
// SyntaxError: (105-106): Top-level expressions are not supposed to return values (this expression returns 1 value). Use ``pop()`` or assign them.
// DeclarationError: (91-116): Unbalanced stack at the end of a block: 1 surplus item(s).
@@ -6,5 +6,5 @@ contract C {
}
}
// ----
// Warning: (75-76): Top-level expressions are not supposed to return values (this expression returns 1 value). Use ``pop()`` or assign them.
// SyntaxError: (75-76): Top-level expressions are not supposed to return values (this expression returns 1 value). Use ``pop()`` or assign them.
// DeclarationError: (61-86): Unbalanced stack at the end of a block: 1 surplus item(s).
@@ -1,12 +0,0 @@
pragma experimental "v0.5.0";
contract C {
function f() view public {
assembly {
address
pop
}
}
}
// ----
// SyntaxError: (105-112): The use of non-functional instructions is deprecated. Please use functional notation instead.
// SyntaxError: (125-128): The use of non-functional instructions is deprecated. Please use functional notation instead.
@@ -7,5 +7,5 @@ contract C {
}
}
// ----
// Warning: (75-82): The use of non-functional instructions is deprecated. Please use functional notation instead.
// Warning: (95-98): The use of non-functional instructions is deprecated. Please use functional notation instead.
// SyntaxError: (75-82): The use of non-functional instructions is disallowed. Please use functional notation instead.
// SyntaxError: (95-98): The use of non-functional instructions is disallowed. Please use functional notation instead.
@@ -1,11 +0,0 @@
pragma experimental "v0.5.0";
contract C {
function f() pure public {
assembly {
label:
}
}
}
// ----
// SyntaxError: (105-110): The use of labels is deprecated. Please use "if", "switch", "for" or function calls instead.
// SyntaxError: (105-110): Jump instructions and labels are low-level EVM features that can lead to incorrect stack access. Because of that they are discouraged. Please consider using "switch", "if" or "for" statements instead.
@@ -6,5 +6,5 @@ contract C {
}
}
// ----
// Warning: (75-80): The use of labels is deprecated. Please use "if", "switch", "for" or function calls instead.
// Warning: (75-80): Jump instructions and labels are low-level EVM features that can lead to incorrect stack access. Because of that they are discouraged. Please consider using "switch", "if" or "for" statements instead.
// SyntaxError: (75-80): The use of labels is disallowed. Please use "if", "switch", "for" or function calls instead.
// SyntaxError: (75-80): Jump instructions and labels are low-level EVM features that can lead to incorrect stack access. Because of that they are discouraged. Please consider using "switch", "if" or "for" statements instead.
@@ -6,5 +6,4 @@ contract C {
}
}
// ----
// Warning: (75-82): Jump instructions and labels are low-level EVM features that can lead to incorrect stack access. Because of that they are discouraged. Please consider using "switch", "if" or "for" statements instead.
// TypeError: (75-82): Function declared as pure, but this expression (potentially) modifies the state and thus requires non-payable (the default) or payable.
// SyntaxError: (75-82): Jump instructions and labels are low-level EVM features that can lead to incorrect stack access. Because of that they are discouraged. Please consider using "switch", "if" or "for" statements instead.
@@ -6,5 +6,5 @@ contract C {
}
}
// ----
// Warning: (75-83): Top-level expressions are not supposed to return values (this expression returns 1 value). Use ``pop()`` or assign them.
// SyntaxError: (75-83): Top-level expressions are not supposed to return values (this expression returns 1 value). Use ``pop()`` or assign them.
// DeclarationError: (61-93): Unbalanced stack at the end of a block: 1 surplus item(s).
@@ -1,7 +0,0 @@
contract C {
function k() public {
assembly { jump(2) }
}
}
// ----
// Warning: (58-65): Jump instructions and labels are low-level EVM features that can lead to incorrect stack access. Because of that they are discouraged. Please consider using "switch", "if" or "for" statements instead.
@@ -1,8 +0,0 @@
contract C {
function k() public view {
assembly { jump(2) }
}
}
// ----
// Warning: (63-70): Jump instructions and labels are low-level EVM features that can lead to incorrect stack access. Because of that they are discouraged. Please consider using "switch", "if" or "for" statements instead.
// TypeError: (63-70): Function declared as view, but this expression (potentially) modifies the state and thus requires non-payable (the default) or payable.