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feat: allow named parameters in mapping types

Browse Source 
Co-authored-by: Hari <webmail.hari@gmail.com>

test: add parser and abi test cases

docs: add example on using named parameters for mappings

- Add changelog

feat: update antlr grammar to allow named parameters in mappings

fix: prevent conflicting mapping parameter names

ref: change order of mapping initializers

test: update expectations and fix build

test: add more tests

fix: use common error & code for conflicting params

fix: issue with accessing nested mapping

test: add conflicting params tests for more nested levels

Update libsolidity/analysis/DeclarationTypeChecker.cpp

Co-authored-by: Nikola Matić <nikola.matic@ethereum.org>

fix: error reported with the same code twice

test: add more tests for 3 level nested mapping

Address review comments
This commit is contained in:
Soham Zemse
2022-12-08 11:56:58 +01:00
committed by Nikola Matic
co-authored by Hari Nikola Matić
parent 1c8745c54a
commit fa78e0f3d4
75 changed files with 530 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files
test/libsolidity/ABIJson/mapping.sol
+77
View File
@@ -0,0 +1,77 @@
contract test {
mapping(address owner => mapping(address spender => uint value)) public allowance;
mapping(bytes32 => address sender) public commits;
mapping(bytes32 => bytes32) public something;
}
// ----
// :test
// [
// {
// "inputs":
// [
// {
// "internalType": "address",
// "name": "owner",
// "type": "address"
// },
// {
// "internalType": "address",
// "name": "spender",
// "type": "address"
// }
// ],
// "name": "allowance",
// "outputs":
// [
// {
// "internalType": "uint256",
// "name": "value",
// "type": "uint256"
// }
// ],
// "stateMutability": "view",
// "type": "function"
// },
// {
// "inputs":
// [
// {
// "internalType": "bytes32",
// "name": "",
// "type": "bytes32"
// }
// ],
// "name": "commits",
// "outputs":
// [
// {
// "internalType": "address",
// "name": "sender",
// "type": "address"
// }
// ],
// "stateMutability": "view",
// "type": "function"
// },
// {
// "inputs":
// [
// {
// "internalType": "bytes32",
// "name": "",
// "type": "bytes32"
// }
// ],
// "name": "something",
// "outputs":
// [
// {
// "internalType": "bytes32",
// "name": "",
// "type": "bytes32"
// }
// ],
// "stateMutability": "view",
// "type": "function"
// }
// ]
test/libsolidity/ASTJSON/address_payable.json
+2
View File
@@ -48,6 +48,7 @@
"typeName":
{
"id": 3,
"keyName": "",
"keyType":
{
"id": 1,
@@ -67,6 +68,7 @@
"typeIdentifier": "t_mapping$_t_address_$_t_address_payable_$",
"typeString": "mapping(address => address payable)"
},
"valueName": "",
"valueType":
{
"id": 2,
test/libsolidity/ASTJSON/address_payable_parseOnly.json
+2
View File
@@ -29,6 +29,7 @@
"typeName":
{
"id": 3,
"keyName": "",
"keyType":
{
"id": 1,
@@ -40,6 +41,7 @@
"nodeType": "Mapping",
"src": "17:35:1",
"typeDescriptions": {},
"valueName": "",
"valueType":
{
"id": 2,
test/libsolidity/ASTJSON/mappings.json
+6
View File
@@ -79,6 +79,7 @@
"typeName":
{
"id": 8,
"keyName": "",
"keyType":
{
"id": 6,
@@ -110,6 +111,7 @@
"typeIdentifier": "t_mapping$_t_contract$_C_$19_$_t_bool_$",
"typeString": "mapping(contract C => bool)"
},
"valueName": "",
"valueType":
{
"id": 7,
@@ -144,6 +146,7 @@
"typeName":
{
"id": 12,
"keyName": "",
"keyType":
{
"id": 10,
@@ -163,6 +166,7 @@
"typeIdentifier": "t_mapping$_t_address_$_t_bool_$",
"typeString": "mapping(address => bool)"
},
"valueName": "",
"valueType":
{
"id": 11,
@@ -197,6 +201,7 @@
"typeName":
{
"id": 17,
"keyName": "",
"keyType":
{
"id": 15,
@@ -228,6 +233,7 @@
"typeIdentifier": "t_mapping$_t_enum$_E_$4_$_t_bool_$",
"typeString": "mapping(enum C.E => bool)"
},
"valueName": "",
"valueType":
{
"id": 16,
test/libsolidity/ASTJSON/mappings_parseOnly.json
+6
View File
@@ -60,6 +60,7 @@
"typeName":
{
"id": 8,
"keyName": "",
"keyType":
{
"id": 6,
@@ -81,6 +82,7 @@
"nodeType": "Mapping",
"src": "40:18:1",
"typeDescriptions": {},
"valueName": "",
"valueType":
{
"id": 7,
@@ -106,6 +108,7 @@
"typeName":
{
"id": 12,
"keyName": "",
"keyType":
{
"id": 10,
@@ -117,6 +120,7 @@
"nodeType": "Mapping",
"src": "66:24:1",
"typeDescriptions": {},
"valueName": "",
"valueType":
{
"id": 11,
@@ -142,6 +146,7 @@
"typeName":
{
"id": 17,
"keyName": "",
"keyType":
{
"id": 15,
@@ -163,6 +168,7 @@
"nodeType": "Mapping",
"src": "98:18:1",
"typeDescriptions": {},
"valueName": "",
"valueType":
{
"id": 16,
test/libsolidity/ASTJSON/userDefinedValueType.json
+2
View File
@@ -287,6 +287,7 @@
"typeName":
{
"id": 25,
"keyName": "",
"keyType":
{
"id": 22,
@@ -318,6 +319,7 @@
"typeIdentifier": "t_mapping$_t_userDefinedValueType$_MyAddress_$18_$_t_userDefinedValueType$_MyUInt_$20_$",
"typeString": "mapping(C.MyAddress => C.MyUInt)"
},
"valueName": "",
"valueType":
{
"id": 24,
test/libsolidity/ASTJSON/userDefinedValueType_parseOnly.json
+2
View File
@@ -213,6 +213,7 @@
"typeName":
{
"id": 25,
"keyName": "",
"keyType":
{
"id": 22,
@@ -234,6 +235,7 @@
"nodeType": "Mapping",
"src": "169:28:1",
"typeDescriptions": {},
"valueName": "",
"valueType":
{
"id": 24,
test/libsolidity/SolidityTypes.cpp
+8 -4
View File
@@ -97,12 +97,16 @@ BOOST_AUTO_TEST_CASE(storage_layout_mapping)
{"first", TypeProvider::fromElementaryTypeName("uint128")},
{"second", TypeProvider::mapping(
TypeProvider::fromElementaryTypeName("uint8"),
TypeProvider::fromElementaryTypeName("uint8")
"",
TypeProvider::fromElementaryTypeName("uint8"),
""
)},
{"third", TypeProvider::fromElementaryTypeName("uint16")},
{"final", TypeProvider::mapping(
TypeProvider::fromElementaryTypeName("uint8"),
TypeProvider::fromElementaryTypeName("uint8")
"",
TypeProvider::fromElementaryTypeName("uint8"),
""
)},
}));
BOOST_REQUIRE_EQUAL(u256(4), members.storageSize());
@@ -199,8 +203,8 @@ BOOST_AUTO_TEST_CASE(type_identifiers)
FunctionType metaFun(TypePointers{keccak256fun}, TypePointers{s.type()}, strings{""}, strings{""});
BOOST_CHECK_EQUAL(metaFun.identifier(), "t_function_internal_nonpayable$_t_function_keccak256_nonpayable$__$returns$__$_$returns$_t_type$_t_struct$_Struct_$3_storage_ptr_$_$");
Type const* m = TypeProvider::mapping(TypeProvider::fromElementaryTypeName("bytes32"), s.type());
MappingType m2(TypeProvider::fromElementaryTypeName("uint64"), m);
Type const* m = TypeProvider::mapping(TypeProvider::fromElementaryTypeName("bytes32"), "", s.type(), "");
MappingType m2(TypeProvider::fromElementaryTypeName("uint64"), "", m, "");
BOOST_CHECK_EQUAL(m2.identifier(), "t_mapping$_t_uint64_$_t_mapping$_t_bytes32_$_t_type$_t_struct$_Struct_$3_storage_ptr_$_$_$");
// TypeType is tested with contract
test/libsolidity/errorRecoveryTests/do_not_delete_at_error.sol
+3 -1
View File
@@ -10,4 +10,6 @@ contract Error2 {
mapping (address => uint balances; // missing ) before "balances"
}
// ----
// ParserError 6635: (417-425): Expected ')' but got identifier
// ParserError 6635: (425-426): Expected ')' but got ';'
// ParserError 6635: (425-426): Expected identifier but got ';'
// ParserError 6635: (458-459): Expected ';' but got '}'
test/libsolidity/errorRecoveryTests/error_to_eos.sol
+5 -4
View File
@@ -17,7 +17,8 @@ contract SendCoin {
}
// ----
// ParserError 6635: (212-220): Expected ')' but got identifier
// ParserError 6635: (220-221): Expected ';' but got ')'
// ParserError 9182: (220-221): Function, variable, struct or modifier declaration expected.
// Warning 3796: (235-236): Recovered in ContractDefinition at '}'.
// ParserError 6635: (235-236): Expected identifier but got '}'
// ParserError 6635: (276-284): Expected ';' but got 'contract'
// ParserError 9182: (276-284): Function, variable, struct or modifier declaration expected.
// Warning 3796: (572-573): Recovered in ContractDefinition at '}'.
// ParserError 7858: (574-575): Expected pragma, import directive or contract/interface/library/struct/enum/constant/function/error definition.
test/libsolidity/semanticTests/getters/mapping_with_names.sol
+9
View File
@@ -0,0 +1,9 @@
contract C {
mapping(uint a => mapping(uint b => uint c)) public x;
constructor() {
x[1][2] = 3;
}
}
// ----
// x(uint256,uint256): 1, 2 -> 3
// x(uint256,uint256): 0, 0 -> 0
test/libsolidity/syntaxTests/natspec/invalid/return_param_amount_differs2.sol
+1
View File
@@ -13,3 +13,4 @@ contract Thing is IThing {
mapping(uint256=>Value) public override value;
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_1.sol
+4
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@@ -0,0 +1,4 @@
contract test {
mapping(address user => bytes32 ipfs) names;
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_2.sol
+4
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@@ -0,0 +1,4 @@
contract test {
mapping(address => bytes32 ipfs) names;
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_3.sol
+4
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@@ -0,0 +1,4 @@
contract test {
mapping(address user => bytes32) names;
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_5.sol
+4
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@@ -0,0 +1,4 @@
contract test {
mapping(address owner => mapping(address spender => bytes32[] notes)) names;
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_6.sol
+5
View File
@@ -0,0 +1,5 @@
contract test {
mapping(address uint => bytes32 ipfs) names;
}
// ----
// ParserError 2314: (36-40): Expected '=>' but got 'uint'
test/libsolidity/syntaxTests/parsing/mapping_with_names_7.sol
+4
View File
@@ -0,0 +1,4 @@
contract test {
mapping(address owner => bytes32[] note) notes;
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_8.sol
+4
View File
@@ -0,0 +1,4 @@
contract test {
mapping(address => mapping(address => address) hello) world;
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_conflict_1.sol
+5
View File
@@ -0,0 +1,5 @@
contract test {
address owner;
mapping(address owner => bytes32 ipfs) names;
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_conflict_2.sol
+5
View File
@@ -0,0 +1,5 @@
contract test {
mapping(address owner => address owner) owner;
}
// ----
// DeclarationError 1809: (20-59): Conflicting parameter name "owner" in mapping.
test/libsolidity/syntaxTests/parsing/mapping_with_names_conflict_3.sol
+7
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@@ -0,0 +1,7 @@
contract test {
mapping(address owner => mapping(address owner => address owner)) owner;
}
// ----
// DeclarationError 1809: (45-84): Conflicting parameter name "owner" in mapping.
// DeclarationError 1809: (20-85): Conflicting parameter name "owner" in mapping.
// DeclarationError 1809: (20-85): Conflicting parameter name "owner" in mapping.
test/libsolidity/syntaxTests/parsing/mapping_with_names_conflict_4.sol
+5
View File
@@ -0,0 +1,5 @@
contract test {
mapping(address owner => mapping(address owner => address hello)) world;
}
// ----
// DeclarationError 1809: (20-85): Conflicting parameter name "owner" in mapping.
test/libsolidity/syntaxTests/parsing/mapping_with_names_conflict_5.sol
+5
View File
@@ -0,0 +1,5 @@
contract test {
mapping(address owner => mapping(address hello => address owner)) world;
}
// ----
// DeclarationError 1809: (20-85): Conflicting parameter name "owner" in mapping.
test/libsolidity/syntaxTests/parsing/mapping_with_names_conflict_6.sol
+5
View File
@@ -0,0 +1,5 @@
contract test {
mapping(address hello => mapping(address owner => address owner)) world;
}
// ----
// DeclarationError 1809: (45-84): Conflicting parameter name "owner" in mapping.
test/libsolidity/syntaxTests/parsing/mapping_with_names_func_param_1.sol
+6
View File
@@ -0,0 +1,6 @@
contract test {
function _main(mapping(uint name1 => uint name2) storage map) internal {
map[1] = 2;
}
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_func_param_2.sol
+6
View File
@@ -0,0 +1,6 @@
contract test {
function _main(mapping(uint name1 => uint) storage map) internal {
map[1] = 2;
}
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_func_param_3.sol
+6
View File
@@ -0,0 +1,6 @@
contract test {
function _main(mapping(uint => uint name2) storage map) internal {
map[1] = 2;
}
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_func_param_4.sol
+6
View File
@@ -0,0 +1,6 @@
contract test {
function _main(mapping(uint name1 => mapping(uint name2 => uint name3) name4) storage map) internal {
map[1][2] = 3;
}
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_func_param_5.sol
+6
View File
@@ -0,0 +1,6 @@
contract test {
function _main(mapping(uint name1 => uint[] name2) storage map) internal {
map[1].push(2);
}
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_func_param_6.sol
+7
View File
@@ -0,0 +1,7 @@
contract test {
function _main(mapping(uint nameSame => mapping(uint name2 => mapping(uint nameSame => uint name3) name4) name5) storage map) internal {
map[1][2][3] = 4;
}
}
// ----
// DeclarationError 1809: (35-132): Conflicting parameter name "nameSame" in mapping.
test/libsolidity/syntaxTests/parsing/mapping_with_names_func_param_7.sol
+6
View File
@@ -0,0 +1,6 @@
contract test {
function _main(mapping(uint name1 => mapping(uint name2 => mapping(uint name3 => uint name4) name5) name6) storage map) internal {
map[1][2][3] = 4;
}
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_func_type_param_1.sol
+4
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@@ -0,0 +1,4 @@
contract test {
function(mapping(uint name1 => uint name2) storage) internal stateVariableName;
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_func_type_param_2.sol
+4
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@@ -0,0 +1,4 @@
contract test {
function(mapping(uint name1 => uint) storage) internal stateVariableName;
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_func_type_param_3.sol
+4
View File
@@ -0,0 +1,4 @@
contract test {
function(mapping(uint => uint name2) storage) internal stateVariableName;
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_func_type_param_4.sol
+4
View File
@@ -0,0 +1,4 @@
contract test {
function(mapping(uint name1 => mapping(uint name2 => uint name3) name4) storage) internal stateVariableName;
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_func_type_param_5.sol
+4
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@@ -0,0 +1,4 @@
contract test {
function(mapping(uint name1 => uint[] name2) storage) internal stateVariableName;
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_func_type_param_6.sol
+5
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@@ -0,0 +1,5 @@
contract test {
function(mapping(uint nameSame => mapping(uint name2 => mapping(uint nameSame => uint name3) name4) name5) storage) internal stateVariableName;
}
// ----
// DeclarationError 1809: (29-126): Conflicting parameter name "nameSame" in mapping.
test/libsolidity/syntaxTests/parsing/mapping_with_names_func_type_param_7.sol
+4
View File
@@ -0,0 +1,4 @@
contract test {
function(mapping(uint name1 => mapping(uint name2 => mapping(uint name3 => uint name4) name5) name6) storage) internal stateVariableName;
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_local_1.sol
+9
View File
@@ -0,0 +1,9 @@
contract test {
mapping(uint name1 => uint name2) map;
function main() external {
mapping(uint name3 => uint name4) storage _map = map;
_map[1] = 2;
}
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_local_2.sol
+9
View File
@@ -0,0 +1,9 @@
contract test {
mapping(uint name1 => uint) map;
function main() external {
mapping(uint => uint name4) storage _map = map;
_map[1] = 2;
}
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_local_3.sol
+9
View File
@@ -0,0 +1,9 @@
contract test {
mapping(uint => uint name2) map;
function main() external {
mapping(uint name3 => uint) storage _map = map;
_map[1] = 2;
}
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_local_4.sol
+9
View File
@@ -0,0 +1,9 @@
contract test {
mapping(uint name1 => mapping(uint name2 => uint name3) name4) map;
function main() external {
mapping(uint name5 => uint name6) storage _map = map[1];
_map[1] = 2;
}
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_local_5.sol
+9
View File
@@ -0,0 +1,9 @@
contract test {
mapping(uint name1 => uint[] name4) map;
function main() external {
mapping(uint name5 => uint[] name6) storage _map = map;
_map[1].push(2);
}
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_local_6.sol
+10
View File
@@ -0,0 +1,10 @@
contract test {
mapping(uint name1 => mapping(uint name2 => uint name3) name4) map;
function main() external {
mapping(uint nameSame => mapping(uint name2 => uint nameSame) name4) storage _map = map;
_map[1][2] = 3;
}
}
// ----
// DeclarationError 1809: (128-196): Conflicting parameter name "nameSame" in mapping.
test/libsolidity/syntaxTests/parsing/mapping_with_names_local_7.sol
+11
View File
@@ -0,0 +1,11 @@
contract test {
mapping(uint nameSame => mapping(uint name1 => mapping(uint nameSame => uint name3) name6) name4) map;
function main() external {
mapping(uint nameSame => mapping(uint name1 => mapping(uint nameSame => uint name3) name6) name4) storage _map = map;
_map[1][2][3] = 4;
}
}
// ----
// DeclarationError 1809: (20-117): Conflicting parameter name "nameSame" in mapping.
// DeclarationError 1809: (163-260): Conflicting parameter name "nameSame" in mapping.
test/libsolidity/syntaxTests/parsing/mapping_with_names_local_8.sol
+9
View File
@@ -0,0 +1,9 @@
contract test {
mapping(uint name1 => mapping(uint name2 => mapping(uint name3 => uint name4) name5) name6) map;
function main() external {
mapping(uint name1 => mapping(uint name2 => mapping(uint name3 => uint name4) name5) name6) storage _map = map;
_map[1][2][3] = 4;
}
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_nested_1.sol
+4
View File
@@ -0,0 +1,4 @@
contract test {
mapping(address owner => mapping(address spender => bytes32 note)) names;
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_nested_2.sol
+4
View File
@@ -0,0 +1,4 @@
contract test {
mapping(address => mapping(address spender => bytes32 note)) names;
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_nested_3.sol
+4
View File
@@ -0,0 +1,4 @@
contract test {
mapping(address owner => mapping(address => bytes32 note)) names;
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_nested_4.sol
+4
View File
@@ -0,0 +1,4 @@
contract test {
mapping(address owner => mapping(address spender => bytes32)) names;
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_nested_5.sol
+5
View File
@@ -0,0 +1,5 @@
contract test {
mapping(address owner => mapping(address spender => bytes32 note));
}
// ----
// ParserError 2314: (86-87): Expected identifier but got ';'
test/libsolidity/syntaxTests/parsing/mapping_with_names_nested_6.sol
+5
View File
@@ -0,0 +1,5 @@
contract test {
mapping(uint nameSame => mapping(uint name1 => mapping(uint nameSame => uint name2) name3) name4) name5;
}
// ----
// DeclarationError 1809: (20-117): Conflicting parameter name "nameSame" in mapping.
test/libsolidity/syntaxTests/parsing/mapping_with_names_nested_7.sol
+5
View File
@@ -0,0 +1,5 @@
contract test {
mapping(uint nameSame => mapping(uint name1 => mapping(uint nameSame => uint name3) name6) name4) public name5;
}
// ----
// DeclarationError 1809: (20-117): Conflicting parameter name "nameSame" in mapping.
test/libsolidity/syntaxTests/parsing/mapping_with_names_nested_8.sol
+4
View File
@@ -0,0 +1,4 @@
contract test {
mapping(uint name1 => mapping(uint name2 => mapping(uint name3 => uint name4) name5) name6) public name7;
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_struct_member_1.sol
+6
View File
@@ -0,0 +1,6 @@
contract test {
struct Person {
mapping(uint phone => uint calls) friends;
}
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_struct_member_2.sol
+6
View File
@@ -0,0 +1,6 @@
contract test {
struct Person {
mapping(uint phone => uint) friends;
}
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_struct_member_3.sol
+6
View File
@@ -0,0 +1,6 @@
contract test {
struct Person {
mapping(uint => uint calls) friends;
}
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_struct_member_4.sol
+6
View File
@@ -0,0 +1,6 @@
contract test {
struct Person {
mapping(uint phone => mapping(uint call => uint time) callTimes) friends;
}
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_struct_member_5.sol
+6
View File
@@ -0,0 +1,6 @@
contract test {
struct Person {
mapping(uint phone => uint[] calls) friends;
}
}
// ----
test/libsolidity/syntaxTests/parsing/mapping_with_names_struct_member_6.sol
+7
View File
@@ -0,0 +1,7 @@
contract test {
struct Person {
mapping(uint nameSame => mapping(uint name1 => mapping(uint nameSame => uint name2) name3) name4) name5;
}
}
// ----
// DeclarationError 1809: (44-141): Conflicting parameter name "nameSame" in mapping.
test/libsolidity/syntaxTests/parsing/mapping_with_names_struct_member_7.sol
+6
View File
@@ -0,0 +1,6 @@
contract test {
struct Person {
mapping(uint name1 => mapping(uint name2 => mapping(uint name3 => uint name4) name5) name6) name7;
}
}
// ----
test/libsolidity/syntaxTests/userDefinedValueType/mapping_key.sol
+1
View File
@@ -2,3 +2,4 @@ type MyInt is int;
contract C {
mapping(MyInt => int) m;
}
// ----