mirror of
				https://github.com/ethereum/solidity
				synced 2023-10-03 13:03:40 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			35 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			35 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Solidity
		
	
	
	
	
	
contract C {
 | 
						|
    function uf(bool b, uint x, uint y) public pure returns (uint) {
 | 
						|
        require(b, "failure");
 | 
						|
        return x - y;
 | 
						|
    }
 | 
						|
    function onlyPanic(bool b, uint x, uint y) public returns (uint r, uint code) {
 | 
						|
        try this.uf(b, x, y) returns (uint b) {
 | 
						|
            r = b;
 | 
						|
        } catch Panic(uint c) {
 | 
						|
            code = c;
 | 
						|
        }
 | 
						|
    }
 | 
						|
    function panicAndError(bool b, uint x, uint y) public returns (uint r, uint code, string memory msg_) {
 | 
						|
        try this.uf(b, x, y) returns (uint b) {
 | 
						|
            r = b;
 | 
						|
        } catch Panic(uint c) {
 | 
						|
            code = c;
 | 
						|
        } catch Error(string memory _errmsg) {
 | 
						|
            msg_ = _errmsg;
 | 
						|
        }
 | 
						|
    }
 | 
						|
}
 | 
						|
// ====
 | 
						|
// EVMVersion: >=byzantium
 | 
						|
// compileViaYul: also
 | 
						|
// ----
 | 
						|
// onlyPanic(bool,uint256,uint256): true, 7, 6 -> 1, 0x00
 | 
						|
// onlyPanic(bool,uint256,uint256): true, 6, 7 -> 0x00, 0x11
 | 
						|
// onlyPanic(bool,uint256,uint256): false, 7, 6 -> FAILURE, hex"08c379a0", 0x20, 7, "failure"
 | 
						|
// onlyPanic(bool,uint256,uint256): false, 6, 7 -> FAILURE, hex"08c379a0", 0x20, 7, "failure"
 | 
						|
// panicAndError(bool,uint256,uint256): true, 7, 6 -> 1, 0x00, 0x60, 0x00
 | 
						|
// panicAndError(bool,uint256,uint256): true, 6, 7 -> 0x00, 0x11, 0x60, 0x00
 | 
						|
// panicAndError(bool,uint256,uint256): false, 7, 6 -> 0x00, 0x00, 0x60, 7, "failure"
 | 
						|
// panicAndError(bool,uint256,uint256): false, 6, 7 -> 0x00, 0x00, 0x60, 7, "failure"
 |