interesting
/
go-ethereum
mirror of https://github.com/ethereum/go-ethereum.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Descriptive function names for closure getters

This commit is contained in:
obscuren 2014-12-03 17:35:57 +01:00
parent 6d99c03d91
commit b6cb5272de
3 changed files with 29 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
cmd/mist/debugger.go
View File

@ -152,13 +152,6 @@ func (self *DebuggerWindow) Debug(valueStr, gasStr, gasPriceStr, scriptStr, data
block := self.lib.eth.ChainManager().CurrentBlock
env := utils.NewEnv(statedb, block, account.Address(), value)
/*
callerClosure := vm.NewClosure(&state.Message{}, account, contract, script, gas, gasPrice)
evm := vm.NewDebugVm(env)
evm.Dbg = self.Db
self.vm = evm
self.Db.done = false
*/
self.Logf("callsize %d", len(script))
go func() {

59
vm/closure.go
View File

@ -1,7 +1,5 @@
package vm
// TODO Re write VM to use values instead of big integers?
import (
"math/big"
@ -17,7 +15,6 @@ type ClosureRef interface {
SetStorage(*big.Int, *ethutil.Value)
}
// Basic inline closure object which implement the 'closure' interface
type Closure struct {
caller ClosureRef
object ClosureRef
@ -44,18 +41,8 @@ func NewClosure(msg *state.Message, caller ClosureRef, object ClosureRef, code [
return c
}
// Retuns the x element in data slice
func (c *Closure) GetStorage(x *big.Int) *ethutil.Value {
m := c.object.GetStorage(x)
if m == nil {
return ethutil.EmptyValue()
}
return m
}
func (c *Closure) Get(x *big.Int) *ethutil.Value {
return c.Gets(x, big.NewInt(1))
func (c *Closure) GetValue(x *big.Int) *ethutil.Value {
return c.GetRangeValue(x, big.NewInt(1))
}
func (c *Closure) GetOp(x int) OpCode {
@ -78,7 +65,7 @@ func (c *Closure) GetBytes(x, y int) []byte {
return c.Code[x : x+y]
}
func (c *Closure) Gets(x, y *big.Int) *ethutil.Value {
func (c *Closure) GetRangeValue(x, y *big.Int) *ethutil.Value {
if x.Int64() >= int64(len(c.Code)) || y.Int64() >= int64(len(c.Code)) {
return ethutil.NewValue(0)
}
@ -88,28 +75,22 @@ func (c *Closure) Gets(x, y *big.Int) *ethutil.Value {
return ethutil.NewValue(partial)
}
func (self *Closure) SetCode(code []byte) {
self.Code = code
}
/*
* State storage functions
*/
func (c *Closure) SetStorage(x *big.Int, val *ethutil.Value) {
c.object.SetStorage(x, val)
}
func (c *Closure) Address() []byte {
return c.object.Address()
func (c *Closure) GetStorage(x *big.Int) *ethutil.Value {
m := c.object.GetStorage(x)
if m == nil {
return ethutil.EmptyValue()
}
return m
}
/*
func (c *Closure) Call(vm VirtualMachine, args []byte) ([]byte, *big.Int, error) {
c.Args = args
ret, err := vm.RunClosure(c)
return ret, c.UsedGas, err
}
*/
func (c *Closure) Return(ret []byte) []byte {
// Return the remaining gas to the caller
c.caller.ReturnGas(c.Gas, c.Price)
@ -117,6 +98,9 @@ func (c *Closure) Return(ret []byte) []byte {
return ret
}
/*
* Gas functions
*/
func (c *Closure) UseGas(gas *big.Int) bool {
if c.Gas.Cmp(gas) < 0 {
return false
@ -136,6 +120,17 @@ func (c *Closure) ReturnGas(gas, price *big.Int) {
c.UsedGas.Sub(c.UsedGas, gas)
}
/*
* Set / Get
*/
func (c *Closure) Caller() ClosureRef {
return c.caller
}
func (c *Closure) Address() []byte {
return c.object.Address()
}
func (self *Closure) SetCode(code []byte) {
self.Code = code
}

4
vm/vm_debug.go
View File

@ -737,7 +737,7 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price *
case PUSH1, PUSH2, PUSH3, PUSH4, PUSH5, PUSH6, PUSH7, PUSH8, PUSH9, PUSH10, PUSH11, PUSH12, PUSH13, PUSH14, PUSH15, PUSH16, PUSH17, PUSH18, PUSH19, PUSH20, PUSH21, PUSH22, PUSH23, PUSH24, PUSH25, PUSH26, PUSH27, PUSH28, PUSH29, PUSH30, PUSH31, PUSH32:
a := big.NewInt(int64(op) - int64(PUSH1) + 1)
pc.Add(pc, ethutil.Big1)
data := closure.Gets(pc, a)
data := closure.GetRangeValue(pc, a)
val := ethutil.BigD(data.Bytes())
// Push value to stack
stack.Push(val)
@ -754,7 +754,7 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price *
self.Printf(" => [%d] 0x%x", n, stack.Peek().Bytes())
if OpCode(closure.Get(new(big.Int).Add(pc, ethutil.Big1)).Uint()) == POP && OpCode(closure.Get(new(big.Int).Add(pc, big.NewInt(2))).Uint()) == POP {
if OpCode(closure.GetValue(new(big.Int).Add(pc, ethutil.Big1)).Uint()) == POP && OpCode(closure.GetValue(new(big.Int).Add(pc, big.NewInt(2))).Uint()) == POP {
fmt.Println(toValue(v))
}
case SWAP1, SWAP2, SWAP3, SWAP4, SWAP5, SWAP6, SWAP7, SWAP8, SWAP9, SWAP10, SWAP11, SWAP12, SWAP13, SWAP14, SWAP15, SWAP16: