core/vm/sqlvm/runtime/runtime.go


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package runtime

import (
    "github.com/dexon-foundation/dexon/core/vm"
    "github.com/dexon-foundation/dexon/core/vm/sqlvm/common"
    se "github.com/dexon-foundation/dexon/core/vm/sqlvm/errors"
)

// Run is runtime entrypoint.
func Run(stateDB vm.StateDB, ins []Instruction, registers []*Operand) (ret []byte, err error) {
    for _, in := range ins {
        for i := 0; i < len(in.Input); i++ {
            if !in.Input[i].IsImmediate {
                in.Input[i] = registers[in.Input[i].RegisterIndex]
            }
        }
        errCode := jumpTable[in.Op](&common.Context{}, in.Input, registers, in.Output)
        if errCode != nil {
            err = se.Error{
                Position: in.Position,
                Code:     errCode.(se.ErrorCode),
                Category: se.ErrorCategoryRuntime,
            }
            return nil, err
        }
    }
    // TODO: ret = ABIEncode(ins[len(ins)-1].Output)
    return
}