/*
	This file is part of solidity.

	solidity is free software: you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.

	solidity is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with solidity.  If not, see <http://www.gnu.org/licenses/>.
*/

syntax = "proto2";

import "yulProto.proto";

message Type {
    enum Sign {
        SIGNED = 0;
        UNSIGNED = 1;
    }
    required Sign s = 1;
    required uint32 bytewidth = 2;
}

message UnaryOpStmt {
    enum Op {
        POSTINC = 1;
        POSTDEC = 2;
        PREINC = 3;
        PREDEC = 4;
    }
    required Op op = 1;
    required VarRef v = 2;
}

message BinaryOpStmt {
    enum Op {
        ADDSELF = 0;
        SUBSELF = 1;
        MULSELF = 2;
        DIVSELF = 3;
        MODSELF = 4;
        SHLSELF = 5;
        SHRSELF = 6;
    }
    required Op op = 1;
    required VarRef left = 2;
    required Expression right = 3;
}

message BinaryOp {
    enum Op {
        ADD = 0;
        SUB = 1;
        MUL = 2;
        DIV = 3;
        MOD = 4;
        EXP = 10;
        SHL = 11;
        SHR = 12;
    }
    required Op op = 1;
    required Expression left = 2;
    required Expression right = 3;
}

message VarDecl {
    required Type t = 1;
    required Expression value = 2;
}

message Assignment {
    required VarRef id = 1;
    required Expression value = 2;
}

message VarRef {
    required uint32 id = 1;
}

message Expression {
    oneof expr_oneof {
        VarRef v = 1;
        BinaryOp bop = 2;
    }
}

message Return {
    required Expression e = 1;
}

message Assembly {
    required solidity.yul.test.yul_fuzzer.Program p = 1;
}

message Statement {
    oneof stmt_oneof {
        VarDecl vd = 1;
        Assignment a = 2;
        UnaryOpStmt u = 3;
        BinaryOpStmt b = 4;
        Assembly as = 5;
    }
}

message Block {
    repeated Statement s = 1;
    required Return r = 2;
}

message Program {
    required Block b = 1;
    required Type.Sign s = 2;
    required uint64 seed = 3;
}

package solidity.test.solarithfuzzer;