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explicitly disallow rational comparisons (#1221)
This is not permitted by solc either. Improve the diagnostic, and ensure the diagnostic gets surfaced even used within a overloaded function call. Signed-off-by: Sean Young <[email protected]>
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strict digraph "tests/contract_testcases/solana/rational_comparison2.sol" { | ||
contract [label="contract c\ntests/contract_testcases/solana/rational_comparison2.sol:1:1-29:2"] | ||
eq [label="function eq\ncontract: c\ntests/contract_testcases/solana/rational_comparison2.sol:2:2-37\nsignature eq()\nvisibility public\nmutability nonpayable"] | ||
returns [label="returns\nbool "] | ||
ne [label="function ne\ncontract: c\ntests/contract_testcases/solana/rational_comparison2.sol:6:2-37\nsignature ne()\nvisibility public\nmutability nonpayable"] | ||
returns_5 [label="returns\nbool "] | ||
lt [label="function lt\ncontract: c\ntests/contract_testcases/solana/rational_comparison2.sol:10:2-22\nsignature lt()\nvisibility public\nmutability nonpayable"] | ||
le [label="function le\ncontract: c\ntests/contract_testcases/solana/rational_comparison2.sol:14:2-28\nsignature le(bool)\nvisibility public\nmutability nonpayable"] | ||
parameters [label="parameters\nbool a"] | ||
gt [label="function gt\ncontract: c\ntests/contract_testcases/solana/rational_comparison2.sol:18:2-28\nsignature gt(bool)\nvisibility public\nmutability nonpayable"] | ||
parameters_10 [label="parameters\nbool a"] | ||
gt_11 [label="function gt\ncontract: c\ntests/contract_testcases/solana/rational_comparison2.sol:22:2-42\nsignature gt(int256)\nvisibility public\nmutability nonpayable"] | ||
parameters_12 [label="parameters\nint256 a"] | ||
returns_13 [label="returns\nbool "] | ||
ge [label="function ge\ncontract: c\ntests/contract_testcases/solana/rational_comparison2.sol:26:2-28\nsignature ge(bool)\nvisibility public\nmutability nonpayable"] | ||
parameters_15 [label="parameters\nbool a"] | ||
diagnostic [label="found contract 'c'\nlevel Debug\ntests/contract_testcases/solana/rational_comparison2.sol:1:1-29:2"] | ||
diagnostic_18 [label="cannot use rational numbers with '!=' or '==' operator\nlevel Error\ntests/contract_testcases/solana/rational_comparison2.sol:3:10-20"] | ||
diagnostic_19 [label="cannot use rational numbers with '!=' or '==' operator\nlevel Error\ntests/contract_testcases/solana/rational_comparison2.sol:7:10-20"] | ||
diagnostic_20 [label="cannot use rational numbers with '<' operator\nlevel Error\ntests/contract_testcases/solana/rational_comparison2.sol:11:11-20"] | ||
diagnostic_21 [label="cannot use rational numbers with '<=' operator\nlevel Error\ntests/contract_testcases/solana/rational_comparison2.sol:15:16-26"] | ||
diagnostic_22 [label="cannot use rational numbers with '>' operator\nlevel Error\ntests/contract_testcases/solana/rational_comparison2.sol:19:7-14"] | ||
diagnostic_23 [label="cannot use rational numbers with '>' operator\nlevel Error\ntests/contract_testcases/solana/rational_comparison2.sol:23:10-17"] | ||
diagnostic_24 [label="cannot use rational numbers with '>=' operator\nlevel Error\ntests/contract_testcases/solana/rational_comparison2.sol:27:6-15"] | ||
contracts -> contract | ||
contract -> eq [label="function"] | ||
eq -> returns [label="returns"] | ||
contract -> ne [label="function"] | ||
ne -> returns_5 [label="returns"] | ||
contract -> lt [label="function"] | ||
contract -> le [label="function"] | ||
le -> parameters [label="parameters"] | ||
contract -> gt [label="function"] | ||
gt -> parameters_10 [label="parameters"] | ||
contract -> gt_11 [label="function"] | ||
gt_11 -> parameters_12 [label="parameters"] | ||
gt_11 -> returns_13 [label="returns"] | ||
contract -> ge [label="function"] | ||
ge -> parameters_15 [label="parameters"] | ||
diagnostics -> diagnostic [label="Debug"] | ||
diagnostics -> diagnostic_18 [label="Error"] | ||
diagnostics -> diagnostic_19 [label="Error"] | ||
diagnostics -> diagnostic_20 [label="Error"] | ||
diagnostics -> diagnostic_21 [label="Error"] | ||
diagnostics -> diagnostic_22 [label="Error"] | ||
diagnostics -> diagnostic_23 [label="Error"] | ||
diagnostics -> diagnostic_24 [label="Error"] | ||
} |
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contract c { | ||
function eq() public returns (bool) { | ||
return 1.1 == 1.0; | ||
} | ||
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function ne() public returns (bool) { | ||
return 1.1 != 1.0; | ||
} | ||
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function lt() public { | ||
require(1.0 < 1.1); | ||
} | ||
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function le(bool a) public { | ||
require(a && 0.1 <= 1.1); | ||
} | ||
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function gt(bool a) public { | ||
if (1 > 0.5) { } | ||
} | ||
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function gt(int a) public returns (bool) { | ||
return a > 1.1; | ||
} | ||
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function ge(bool a) public { | ||
gt(1 >= 1.02); | ||
} | ||
} | ||
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