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Forward failure for creation.

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This commit is contained in:
chriseth 2020-11-24 17:02:02 +01:00
parent 2d235bf7b0
commit cedb56ed81
7 changed files with 26 additions and 5 deletions
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4
libsolidity/codegen/ir/IRGeneratorForStatements.cpp
View File

@ -1412,6 +1412,8 @@ void IRGeneratorForStatements::endVisit(FunctionCall const& _functionCall)
</saltSet>
<?isTryCall>
let <success> := iszero(iszero(<address>))
<!isTryCall>
if iszero(<address>) { <forwardingRevert>() }
</isTryCall>
<releaseTemporaryMemory>()
)");
@ -1434,6 +1436,8 @@ void IRGeneratorForStatements::endVisit(FunctionCall const& _functionCall)
t("isTryCall", _functionCall.annotation().tryCall);
if (_functionCall.annotation().tryCall)
t("success", IRNames::trySuccessConditionVariable(_functionCall));
else
t("forwardingRevert", m_utils.forwardingRevertFunction());
m_code << t.render();
break;

6
test/cmdlineTests/ir_compiler_subobjects/output
View File

@ -59,7 +59,11 @@ object "D_13" {
let _3 := add(128, _2)
if or(gt(_3, 0xffffffffffffffff), lt(_3, 128)) { invalid() }
datacopy(128, dataoffset("C_2"), _2)
pop(create(_1, 128, _2))
if iszero(create(_1, 128, _2))
{
returndatacopy(_1, _1, returndatasize())
revert(_1, returndatasize())
}
return(allocateMemory(_1), _1)
}
}

7
test/cmdlineTests/standard_viair_requested/output.json
View File

@ -130,6 +130,8 @@ object \"D_13\" {
let expr_9_address := create(0, _1, sub(_2, _1))
if iszero(expr_9_address) { revert_forward_1() }
releaseTemporaryMemory()
let vloc_c_6_address := expr_9_address
@ -142,6 +144,11 @@ object \"D_13\" {
function releaseTemporaryMemory() {
}
function revert_forward_1() {
returndatacopy(0, 0, returndatasize())
revert(0, returndatasize())
}
function shift_right_224_unsigned(value) -> newValue {
newValue :=

9
test/cmdlineTests/viair_subobjects/output
View File

@ -35,7 +35,7 @@ object "C_2" {
======= viair_subobjects/input.sol:D =======
Binary:
608060405234156100105760006000fd5b60d380610020600039806000f350fe6080604052600436101515610074576000803560e01c6326121ff0141561007257341561002a578081fd5b806003193601121561003a578081fd5b6028806080016080811067ffffffffffffffff8211171561005757fe5b50806100ab60803980608083f05050806100708261007e565bf35b505b60006000fd6100a9565b6000604051905081810181811067ffffffffffffffff8211171561009e57fe5b80604052505b919050565bfe60806040523415600f5760006000fd5b600a80601e600039806000f350fe608060405260006000fd
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
Binary of the runtime part:
Optimized IR:
@ -71,7 +71,11 @@ object "D_13" {
let _3 := add(128, _2)
if or(gt(_3, 0xffffffffffffffff), lt(_3, 128)) { invalid() }
datacopy(128, dataoffset("C_2"), _2)
pop(create(_1, 128, _2))
if iszero(create(_1, 128, _2))
{
returndatacopy(_1, _1, returndatasize())
revert(_1, returndatasize())
}
return(allocateMemory(_1), _1)
}
}
@ -106,4 +110,3 @@ object "D_13" {
}
}
}

1
test/libsolidity/semanticTests/constructor/evm_exceptions_in_constructor_call_fail.sol
View File

@ -16,7 +16,6 @@ contract B {
// ====
// compileViaYul: also
// compileToEwasm: also
// ----
// testIt() ->
// test() -> 2

2
test/libsolidity/semanticTests/uninitializedFunctionPointer/invalidInConstructor.sol
View File

@ -19,5 +19,7 @@ contract Test {
new C();
}
}
// ====
// compileViaYul: also
// ----
// f() -> FAILURE

2
test/libsolidity/semanticTests/uninitializedFunctionPointer/invalidStoredInConstructor.sol
View File

@ -19,5 +19,7 @@ contract Test {
new C();
}
}
// ====
// compileViaYul: also
// ----
// f() -> FAILURE