Merge pull request #4067 from ethereum/050

[BREAKING] Version 0.5.0
This commit is contained in:
chriseth
2018-05-23 18:11:20 +02:00
committed by GitHub
25 changed files with 274 additions and 115 deletions
@@ -23,13 +23,8 @@ contract C {
}
function k() internal view returns (S storage c) {
do {
if (s.f) {
continue;
break;
}
else {
c = s;
}
c = s;
continue;
} while(false);
}
}
@@ -21,6 +21,15 @@ contract C {
do {
if (s.f) {
break;
}
else {
c = s;
}
} while(false);
}
function i() internal view returns (S storage c) {
do {
if (s.f) {
continue;
}
else {
@@ -28,8 +37,16 @@ contract C {
}
} while(false);
}
function j() internal view returns (S storage c) {
do {
continue;
c = s;
} while(false);
}
}
// ----
// Warning: (87-98): This variable is of storage pointer type and might be returned without assignment. This can cause storage corruption. Assign the variable (potentially from itself) to remove this warning.
// Warning: (223-234): This variable is of storage pointer type and might be returned without assignment. This can cause storage corruption. Assign the variable (potentially from itself) to remove this warning.
// Warning: (440-451): This variable is of storage pointer type and might be returned without assignment. This can cause storage corruption. Assign the variable (potentially from itself) to remove this warning.
// Warning: (654-665): This variable is of storage pointer type and might be returned without assignment. This can cause storage corruption. Assign the variable (potentially from itself) to remove this warning.
// Warning: (871-882): This variable is of storage pointer type and might be returned without assignment. This can cause storage corruption. Assign the variable (potentially from itself) to remove this warning.
@@ -0,0 +1,53 @@
contract C {
function f(bool a, bool b) public pure {
bool c;
// OK
c = !a;
c = !b;
c = a == b;
c = a != b;
c = a || b;
c = a && b;
// Not OK
c = a > b;
c = a < b;
c = a >= b;
c = a <= b;
c = a & b;
c = a | b;
c = a ^ b;
c = ~a;
c = ~b;
c = a + b;
c = a - b;
c = -a;
c = -b;
c = a * b;
c = a / b;
c = a ** b;
c = a % b;
c = a << b;
c = a >> b;
}
}
// ----
// TypeError: (231-236): Operator > not compatible with types bool and bool
// TypeError: (250-255): Operator < not compatible with types bool and bool
// TypeError: (269-275): Operator >= not compatible with types bool and bool
// TypeError: (289-295): Operator <= not compatible with types bool and bool
// TypeError: (309-314): Operator & not compatible with types bool and bool
// TypeError: (328-333): Operator | not compatible with types bool and bool
// TypeError: (347-352): Operator ^ not compatible with types bool and bool
// TypeError: (366-368): Unary operator ~ cannot be applied to type bool
// TypeError: (382-384): Unary operator ~ cannot be applied to type bool
// TypeError: (398-403): Operator + not compatible with types bool and bool
// TypeError: (417-422): Operator - not compatible with types bool and bool
// TypeError: (436-438): Unary operator - cannot be applied to type bool
// TypeError: (452-454): Unary operator - cannot be applied to type bool
// TypeError: (468-473): Operator * not compatible with types bool and bool
// TypeError: (487-492): Operator / not compatible with types bool and bool
// TypeError: (506-512): Operator ** not compatible with types bool and bool
// TypeError: (526-531): Operator % not compatible with types bool and bool
// TypeError: (545-551): Operator << not compatible with types bool and bool
// TypeError: (565-571): Operator >> not compatible with types bool and bool
@@ -0,0 +1,7 @@
contract C {
function f() public pure returns(uint256) {
return uint256(bytes1(''));
}
}
// ----
// TypeError: (76-95): Explicit type conversion not allowed from "bytes1" to "uint256".
@@ -0,0 +1,7 @@
contract C {
function f() public pure returns(uint32) {
return uint32(bytes32(''));
}
}
// ----
// TypeError: (75-94): Explicit type conversion not allowed from "bytes32" to "uint32".
@@ -1,7 +1,7 @@
contract C {
function f() public pure {
C(bytes20(0x1234));
C(bytes20(uint160(0x1234)));
}
}
// ----
// TypeError: (64-82): Explicit type conversion not allowed from "bytes20" to "contract C".
// TypeError: (64-91): Explicit type conversion not allowed from "bytes20" to "contract C".
@@ -0,0 +1,20 @@
contract C {
function f() public pure returns (uint256) {
return uint256(bytes32(uint256(0)));
}
function g() public pure returns (uint128) {
return uint128(bytes16(uint128(0)));
}
function h() public pure returns (uint64) {
return uint64(bytes8(uint64(0)));
}
function i() public pure returns (uint32) {
return uint32(bytes4(uint32(0)));
}
function j() public pure returns (uint16) {
return uint16(bytes2(uint16(0)));
}
function k() public pure returns (uint8) {
return uint8(bytes1(uint8(0)));
}
}
@@ -0,0 +1,6 @@
contract C {
bytes20 x;
function f(bytes16 b) public view {
b[uint8(x[2])];
}
}
@@ -0,0 +1,7 @@
contract C {
function f() public pure returns(bytes1) {
return bytes1(uint256(0));
}
}
// ----
// TypeError: (75-93): Explicit type conversion not allowed from "uint256" to "bytes1".
@@ -0,0 +1,7 @@
contract C {
function f() public pure returns(bytes32) {
return bytes32(uint32(0));
}
}
// ----
// TypeError: (76-94): Explicit type conversion not allowed from "uint32" to "bytes32".